IDV60074
** BUREAU of METEOROLOGY - Melbourne **
** INTERNATIONAL SIGMETS ** 19:21 UTC, 04/08/2026
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VA ADVISORY
DTG: 20260804/1920Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/886
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL150 LAST REP 04/1744Z
EST VA DTG: 04/1900Z
EST VA CLD: SFC/FL150 S0809 E11252 - S0757 E11244 - S0748
E11249 - S0743 E11259 - S0749 E11308 - S0759 E11313 - S0809
E11259 MOV NE 05KT
FCST VA CLD +6 HR: 05/0100Z SFC/FL150 S0809 E11252 - S0757
E11244 - S0747 E11253 - S0747 E11304 - S0759 E11313 - S0810
E11258
FCST VA CLD +12 HR: 05/0700Z SFC/FL150 S0808 E11251 - S0756
E11244 - S0746 E11252 - S0745 E11302 - S0759 E11313 - S0809
E11259
FCST VA CLD +18 HR: 05/1300Z SFC/FL150 S0810 E11258 - S0809
E11251 - S0755 E11244 - S0746 E11251 - S0746 E11304 - S0758
E11314
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET
CLOUD. VA HEIGHT AND FORECAST FROM HIMAWARI-9 SAT IMG,
GROUND REPORTS AND MODEL GUIDANCE. LOW CONFIDENCE IN FCST
DUE TO LIGHT AND VARIABLE WINDS.
NXT ADVISORY: NO LATER THAN 20260805/0120Z=
KZAK SIGMET TANGO 1 VALID 041855/042255 PHFO-
OAKLAND OCEANIC FIR EMBD TS OBS AT 1900Z WI N1645 E16430 - N1700
E16730 - N1315 E16630 - N1330 E16330 - N1645 E16430. TOP FL560. MOV E
5KT. INTSF.
KZAK SIGMET UNIFORM 1 VALID 041900/042300 PHFO-
OAKLAND OCEANIC FIR EMBD TS OBS AT 1900Z WI N2015 E17300 - N2015
E17630 - N1400 E17730 - N1400 E17345 - N2015 E17300. TOP FL550. MOV E
5KT. INTSF.
RJJJ SIGMET S04 VALID 041909/050109 RJTD-
RJJJ FUKUOKA FIR TC DOLPHIN PSN N2525 E13920 CB OBS AT 1800Z WI N2445
E13855 - N2605 E13855 - N2605 E14030 - N2445 E14105 - N2445 E13855
TOP FL540 NC
FCST AT 0000Z TC CENTRE PSN N2525 E13805=
SIGPAU
KZAK SIGMET UNIFORM 1 VALID 041900/042300 PHFO-
OAKLAND OCEANIC FIR EMBD TS OBS AT 1900Z WI N2015 E17300 - N2015
E17630 - N1400 E17730 - N1400 E17345 - N2015 E17300. TOP FL550. MOV E
5KT. INTSF.
SIGPAT
KZAK SIGMET TANGO 1 VALID 041855/042255 PHFO-
OAKLAND OCEANIC FIR EMBD TS OBS AT 1900Z WI N1645 E16430 - N1700
E16730 - N1315 E16630 - N1330 E16330 - N1645 E16430. TOP FL560. MOV E
5KT. INTSF.
RJJJ SIGMET E06 VALID 041851/042251 RJTD-
RJJJ FUKUOKA FIR FRQ TS FCST WI N3225 E14958 - N3405 E14715 - N3738
E15422 - N3614 E15607 - N3225 E14958 TOP FL540 STNR NC=
VA ADVISORY
DTG: 20260804/1854Z
VAAC: WASHINGTON
VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837
AREA: MEXICO
SOURCE ELEV: 17693 FT AMSL
ADVISORY NR: 2026/308
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: CONS VA EMS
OBS VA DTG: 04/1841Z
OBS VA CLD: SFC/FL210 N1902 W09838 - N1900 W09836
- N1843 W09900 - N1856 W09908 - N1902 W09838 MOV
SW 10KT SFC/FL210 N1828 W09941 - N1818 W09940 -
N1817 W09949 - N1822 W09952 - N1827 W09950 -
N1828 W09941 MOV SW 10KT
FCST VA CLD +6HR: 05/0030Z SFC/FL210 N1902 W09838
- N1901 W09836 - N1759 W09927 - N1814 W09944 -
N1902 W09838
FCST VA CLD +12HR: 05/0630Z SFC/FL210 N1901
W09838 - N1901 W09835 - N1804 W09935 - N1819
W09949 - N1901 W09838
FCST VA CLD +18HR: 05/1230Z SFC/FL210 N1902
W09838 - N1901 W09837 - N1802 W09929 - N1816
W09946 - N1902 W09838
RMK: VA EMS OBSD IN STLT IMG EXTG APPRX 30 NM WSW
FM SUMMIT AND REMNANT DISSIPATING VA CLD APPRX 80
NM SW. A MORE SW MVMT EXP THRU T+18 HRS. MVMT AND
HGT BASED ON STLT OBS AND NWP MDLS. ...BERTALAN
NXT ADVISORY: WILL BE ISSUED BY 20260805/0100Z
NZZC SIGMET 26 VALID 041853/042253 NZKL-
NZZC NEW ZEALAND FIR SEV TURB FCST WI S3910 E17530 - S3710 E17800 -
S3720 E17840 - S3810 E17830 - S3910 E17630 - S3910 E17530 SFC/FL100
STNR NC=
NZZC SIGMET 24 VALID 041850/042250 NZKL-
NZZC NEW ZEALAND FIR SEV TURB FCST WI S4140 E17530 - S4120 E17410 -
S4050 E17410 - S4050 E17520 - S3910 E17630 - S3810 E17830 - S3910
E17800 - S4140 E17530 SFC/6000FT STNR NC=
VAAAK2
VA ADVISORY
DTG: 20260804/1811Z
VAAC: ANCHORAGE
VOLCANO: SHEVELUCH 300270
PSN: N5639 E16122
AREA: KAMCHATKA PENINSULA
SOURCE ELEV: 10771 FT AMSL
ADVISORY NR: 2026/251
RMK: PLEASE SEE FVFE01 RJTD ISSUED BY VAAC TOKYO WHICH DESCRIBES
CONDITIONS NEAR THE VAAC ANCHORAGE AREA OF RESPONSIBILITY...SC
KZAK SIGMET ZULU 11 VALID 041815/042215 PHFO-
OAKLAND OCEANIC FIR FRQ TS OBS AT 1815Z WI N1800 E15045 - N1045
E16615 - N0715 E16200 - N1300 E14630 - N1800 E15045. TOP FL550. MOV N
5KT. NC.
KZAK SIGMET SIERRA 2 VALID 041815/042215 PHFO-
OAKLAND OCEANIC FIR EMBD TS OBS AT 1815Z WI N1415 W17130 - N1245
W16630 - N0830 W17015 - N1145 W17615 - N1415 W17130. TOP FL570. MOV N
5KT. NC.
VA ADVISORY
DTG: 20260804/1820Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SOURCE ELEV: 1703M AMSL
ADVISORY NR: 2026/337
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL090 REPORTED AT 04/1630Z
EST VA DTG: 04/1800Z
EST VA CLD: SFC/FL090 S0835 E12247 - S0836 E12223 - S0827
E12224 - S0818 E12229 - S0832 E12248 MOV W 05KT
FCST VA CLD +6 HR: 05/0000Z SFC/FL090 S0835 E12247 - S0834
E12222 - S0818 E12229 - S0831 E12248
FCST VA CLD +12 HR: 05/0600Z SFC/FL090 S0834 E12249 - S0834
E12223 - S0824 E12226 - S0818 E12231 - S0831 E12250
FCST VA CLD +18 HR: 05/1200Z SFC/FL090 S0831 E12248 - S0835
E12247 - S0836 E12222 - S0819 E12229 - S0831 E12247
RMK: VA NOT IDENTIFIABLE ON CURRENT SATELLITE IMAGERY.
GROUND REPORTS INDICATE DISCRETE VA EMISSIONS ARE ONGOING.
VA HEIGHT AND MOVEMENT BASED ON SATELLITE IMAGERY, GROUND
REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260805/0020Z=
VA ADVISORY
DTG: 20260804/1800Z
VAAC: TOKYO
VOLCANO: SHEVELUCH 300270
PSN: N5639 E16122
AREA: RUSSIA
SOURCE ELEV: 3283M AMSL
ADVISORY NR: 2026/324
INFO SOURCE: HIMAWARI-9
ERUPTION DETAILS: VA CONTINUOUSLY OBS IN SATELLITE IMAGERY
OBS VA DTG: 04/1720Z
OBS VA CLD: SFC/FL270 N5657 E16301 - N5739 E16347 - N5735 E16425 -
N5704 E16341 MOV NE 30KT
FCST VA CLD +6 HR: 04/2320Z SFC/FL290 N5908 E16815 - N5802 E16857 -
N5740 E16726 - N5856 E16706
FCST VA CLD +12 HR: 05/0520Z SFC/FL280 N5922 E17202 - N5819 E17159 -
N5922 E16859 - N6004 E16817 - N6001 E17015
FCST VA CLD +18 HR: 05/1120Z SFC/FL270 N5855 E17537 - N5939 E17006 -
N6048 E16809 - N6039 E17114
RMK: SOME PART OF VA OBSCURED BY MET CLOUD.
NXT ADVISORY: 20260805/0000Z=
VA ADVISORY
DTG: 20260804/1744Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SOURCE ELEV: 12287 FT AMSL
ADVISORY NR: 2026/442
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: VA EMS OBS IN WEBCAM
EST VA DTG: 04/1720Z
EST VA CLD: SFC/FL140 N1449 W09142 - N1446 W09132
- N1445 W09132 - N1443 W09142 - N1449 W09142 MOV
W 10KT
FCST VA CLD +6HR: 04/2330Z SFC/FL140 N1446 W09133
- N1445 W09132 - N1440 W09146 - N1446 W09147 -
N1446 W09133
FCST VA CLD +12HR: 05/0530Z NO VA EXP
FCST VA CLD +18HR: 05/1130Z NO VA EXP
RMK: VA EMS VSBL IN WEBCAM BUT NOT OBSD IN STLT
IMG DUE TO MET CLDS. A MORE WSW MVMT EXP BY T+6
HRS. MVMT AND HGT BASED ON WEBCAM OBS AND NWP
MDLS. ...BERTALAN
NXT ADVISORY: WILL BE ISSUED BY 20260804/2345Z
VA ADVISORY
DTG: 20260804/1705Z
VAAC: WASHINGTON
VOLCANO: PURACE 351060
PSN: N0219 W07624
AREA: COLOMBIA
SOURCE ELEV: 15256 FT AMSL
ADVISORY NR: 2026/355
INFO SOURCE: GOES-19. VONA. NWP MODELS.
ERUPTION DETAILS: VA EMS OBS
OBS VA DTG: 04/1630Z
OBS VA CLD: SFC/FL170 N0232 W07641 - N0219 W07623
- N0219 W07624 - N0227 W07645 - N0232 W07641 MOV
NW 20KT
FCST VA CLD +6HR: 04/2230Z SFC/FL170 N0233 W07646
- N0219 W07623 - N0218 W07624 - N0226 W07650 -
N0233 W07646
FCST VA CLD +12HR: 05/0430Z SFC/FL170 N0234
W07646 - N0219 W07623 - N0218 W07624 - N0228
W07650 - N0234 W07646
FCST VA CLD +18HR: 05/1030Z SFC/FL170 N0234
W07643 - N0219 W07623 - N0218 W07623 - N0229
W07648 - N0234 W07643
RMK: VA EMS VSBL IN STLT IMG EXTG APPRX 20 NM NW
FM SUMMIT. LTLCG IN FCST THRU T+18 HRS. MVMT AND
HGT BASED ON VONA, STLT OBS AND NWP MDLS.
...BERTALAN
NXT ADVISORY: WILL BE ISSUED BY 20260804/2300Z
RJJJ SIGMET E05 VALID 041635/042035 RJTD-
RJJJ FUKUOKA FIR FRQ TS FCST WI N3240 E15040 - N3426 E14750 - N3834
E15600 - N3718 E15847 - N3240 E15040 TOP FL540 STNR NC=
NZZC SIGMET 22 VALID 041611/042011 NZKL-
NZZC NEW ZEALAND FIR SEV ICE FCST WI S3910 E17810 - S3920 E17710 -
S3840 E17740 - S3840 E17810 - S3910 E17810 FL020/150 MOV N 20KT NC=
VA ADVISORY
DTG: 20260804/1607Z
VAAC: WASHINGTON
VOLCANO: REVENTADOR 352010
PSN: S0005 W07739
AREA: ECUADOR
SOURCE ELEV: 11686 FT AMSL
ADVISORY NR: 2026/781
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: PSBL VA EMS
EST VA DTG: 04/1540Z
EST VA CLD: SFC/FL140 N0003 W07750 - S0004 W07740
- S0005 W07740 - S0002 W07754 - N0003 W07750 MOV
NW 10KT
FCST VA CLD +6HR: 04/2130Z SFC/FL140 N0006 W07755
- S0004 W07739 - S0006 W07739 - S0001 W07759 -
N0006 W07755
FCST VA CLD +12HR: 05/0330Z SFC/FL140 N0008
W07750 - S0004 W07739 - S0005 W07740 - N0003
W07756 - N0008 W07750
FCST VA CLD +18HR: 05/0930Z NO VA EXP
RMK: VA EMS NOT OBSD IN STLT IMG PSBLY DUE TO MET
CLDS. WNW MVMT EXP TO SHIFT MORE NW BY T+12 HRS.
MVMT AND HGT BASED ON NWP MDLS. ...BERTALAN
NXT ADVISORY: WILL BE ISSUED BY 20260804/2200Z
VAWR9245 WAAF 08041430
[ASHTAM 9245
A]WAAF
B]2608041430
C]DUKONO 268010
D]N0142E12754
E]ORANGE ALERT
F]SFC/FL070 N0135 E12756 - N0138 E12747 - N0225
E12738 - N0306 E12806 - N0241 E12912 - N0157 E12856 - N0135 E12756
G]MOV NE 05KT
H]NIL
I]NIL
J]HIMAWARI-9
K]VA TO FL070 EXT NE LAST OBS AT 04/0440Z
VA CURRENTLY UNIDENTIFIABLE ON LATEST SATELLITE IMAGERY
DUE TO MET CLOUD.HOWEVER, ASH IS STILL EXPECTED IN THE AREA.
VA HEIGHT AND FORECAST BASED ON SATELLITE IMAGERY AND MODEL
GUIDANCE.]
VA ADVISORY
DTG: 20260804/1511Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/904
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: ONGOING SIG VA EM
EST VA DTG: 04/1430Z
EST VA CLD: SFC/FL170 N1445 W09124 - N1429 W09052
- N1426 W09052 - N1428 W09131 - N1445 W09124 MOV
W 10KT
FCST VA CLD +6HR: 04/2030Z SFC/FL170 N1444 W09206
- N1429 W09053 - N1425 W09052 - N1419 W09206 -
N1444 W09206
FCST VA CLD +12HR: 05/0230Z SFC/FL170 N1500
W09202 - N1429 W09052 - N1426 W09052 - N1436
W09208 - N1500 W09202
FCST VA CLD +18HR: 05/0830Z SFC/FL170 N1504
W09159 - N1429 W09052 - N1426 W09052 - N1440
W09207 - N1504 W09159
RMK: VRY DENSE CONT VA EM OBS IN WEBCAM. VA NOT
OBS IN STLT IMG DUE TO HVY MET CLD CVR. EXP W TO
WNW MOVEMENT THRU T+18 HRS. FL BSD ON WEBCAM AND
NWP MDLS. FCST BSD ON NWP MDLS. ...LINER
NXT ADVISORY: WILL BE ISSUED BY 20260804/2115Z
VAAAK2
VA ADVISORY
DTG: 20260804/1457Z
VAAC: ANCHORAGE
VOLCANO: SHEVELUCH 300270
PSN: N5639 E16122
AREA: KAMCHATKA PENINSULA
SOURCE ELEV: 10771 FT AMSL
ADVISORY NR: 2026/250
RMK: PLEASE SEE FVFE01 RJTD ISSUED BY VAAC TOKYO WHICH DESCRIBES
CONDITIONS NEAR THE VAAC ANCHORAGE AREA OF RESPONSIBILITY...TS
VA ADVISORY
DTG: 20260804/1444Z
VAAC: TOKYO
VOLCANO: SHEVELUCH 300270
PSN: N5639 E16122
AREA: RUSSIA
SOURCE ELEV: 3283M AMSL
ADVISORY NR: 2026/323
INFO SOURCE: HIMAWARI-9
ERUPTION DETAILS: POSS ERUPTION OBS AT 20260804/1340Z FL270 EXTD NE
OBS VA DTG: 04/1420Z
OBS VA CLD: SFC/FL270 N5641 E16122 - N5658 E16154 - N5642 E16152 MOV
NE 25KT
FCST VA CLD +6 HR: 04/2020Z SFC/FL290 N5840 E16638 - N5756 E16703 -
N5648 E16458 - N5654 E16157 - N5725 E16440
FCST VA CLD +12 HR: 05/0220Z SFC/FL290 N5919 E17112 - N5654 E16748 -
N5730 E16604 - N5731 E16350 - N5757 E16739 - N5904 E16907 - N6012
E16856
FCST VA CLD +18 HR: 05/0820Z SFC/FL280 N5951 E17424 - N5815 E17313 -
N5709 E16957 - N5738 E16809 - N5906 E17130 - N6113 E16838
RMK: NIL
NXT ADVISORY: 20260804/1800Z=
VA ADVISORY
DTG: 20260804/1450Z
VAAC: DARWIN
VOLCANO: DUKONO 268010
PSN: N0142 E12754
AREA: INDONESIA
SOURCE ELEV: 1229M AMSL
ADVISORY NR: 2026/584
INFO SOURCE: HIMAWARI-9
ERUPTION DETAILS: VA TO FL070 EXT NE LAST OBS AT 04/0440Z
EST VA DTG: 04/1430Z
EST VA CLD: SFC/FL070 N0135 E12756 - N0138 E12747 - N0225
E12738 - N0306 E12806 - N0241 E12912 - N0157 E12856 MOV NE
05KT
FCST VA CLD +6 HR: 04/2030Z SFC/FL070 N0139 E12748 - N0226
E12734 - N0300 E12804 - N0240 E12910 - N0156 E12856 - N0135
E12759 - N0135 E12758
FCST VA CLD +12 HR: 05/0230Z SFC/FL070 N0138 E12747 - N0230
E12739 - N0306 E12806 - N0243 E12904 - N0157 E12855 - N0136
E12800
FCST VA CLD +18 HR: 05/0830Z SFC/FL070 N0136 E12800 - N0138
E12746 - N0231 E12730 - N0303 E12754 - N0236 E12906 - N0154
E12851
RMK: VA CURRENTLY UNIDENTIFIABLE ON LATEST SATELLITE IMAGERY
DUE TO MET CLOUD.HOWEVER, ASH IS STILL EXPECTED IN THE AREA.
VA HEIGHT AND FORECAST BASED ON SATELLITE IMAGERY AND MODEL
GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260804/2050Z=
VAWR9244 WAAF 08041350
[ASHTAM 9244
A]WAAF
B]2608040123
C]IBU 268030
D]N0129E12738
E]ORANGE ALERT
F]SFC/FL070 N0127 E12739 - N0129 E12735 - N0148
E12737 - N0144 E12755 - N0130 E12758 - N0127 E12739
G]MOV NE 05KT
H]NIL
I]NIL
J]HIMAWARI-9, CVGHM
K]VA TO FL070 REP AT 04/1225Z
DISCRETE VA UNIDENTIFIABLE ON SATELLITE IMAGERY DUE TO
MET CLOUD, HOWEVER GROUND REPORT SUGGESTS ONGOING ERUPTION.
VA HEIGHT AND FCST BASED ON SATELLITE IMAGERY, GROUND
REPORTS AND MODEL GUIDANCE.]
VA ADVISORY
DTG: 20260804/1410Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SOURCE ELEV: 1325M AMSL
ADVISORY NR: 2026/876
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL070 REP AT 04/1225Z
EST VA DTG: 04/1350Z
EST VA CLD: SFC/FL070 N0127 E12739 - N0129 E12735 - N0148
E12737 - N0144 E12755 - N0130 E12758 MOV NE 05KT
FCST VA CLD +6 HR: 04/1950Z SFC/FL070 N0129 E12736 - N0147
E12738 - N0143 E12755 - N0131 E12758 - N0127 E12739
FCST VA CLD +12 HR: 05/0150Z SFC/FL070 N0129 E12736 - N0147
E12739 - N0143 E12755 - N0131 E12758 - N0127 E12739
FCST VA CLD +18 HR: 05/0750Z SFC/FL070 N0127 E12739 - N0129
E12734 - N0140 E12735 - N0149 E12740 - N0143 E12754 - N0131
E12757
RMK: DISCRETE VA UNIDENTIFIABLE ON SATELLITE IMAGERY DUE TO
MET CLOUD, HOWEVER GROUND REPORT SUGGESTS ONGOING ERUPTION.
VA HEIGHT AND FCST BASED ON SATELLITE IMAGERY, GROUND
REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260804/2010Z=
VAWR9243 WAAF 08041300
[ASHTAM 9243
A]WAAF
B]2608041203
C]SEMERU 263300
D]S0806E11255
E]ORANGE ALERT
F]SFC/FL150 S0808 E11252 - S0757 E11243 - S0743
E11300 - S0801 E11317 - S0809 E11257 - S0808 E11252
G]MOV NE 05KT
H]NIL
I]NIL
J]HIMAWARI-9, CVGHM
K]VA TO FL150 LAST REP 04/1203Z
VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET
CLOUD. VA HEIGHT AND FORECAST FROM HIMAWARI-9 SAT IMG,
GROUND REPORTS AND MODEL GUIDANCE. LOW CONFIDENCE IN FCST
DUE TO LIGHT AND VARIABLE WINDS.]
VA ADVISORY
DTG: 20260804/1320Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/885
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL150 LAST REP 04/1203Z
EST VA DTG: 04/1300Z
EST VA CLD: SFC/FL150 S0808 E11252 - S0757 E11243 - S0743
E11300 - S0801 E11317 - S0809 E11257 MOV NE 05KT
FCST VA CLD +6 HR: 04/1900Z SFC/FL150 S0808 E11252 - S0754
E11246 - S0743 E11259 - S0801 E11317 - S0809 E11259
FCST VA CLD +12 HR: 05/0100Z SFC/FL150 S0809 E11252 - S0757
E11244 - S0748 E11253 - S0748 E11305 - S0801 E11317 - S0808
E11258
FCST VA CLD +18 HR: 05/0700Z SFC/FL150 S0808 E11251 - S0804
E11249 - S0756 E11242 - S0746 E11252 - S0744 E11300 - S0759
E11313 - S0808 E11300
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET
CLOUD. VA HEIGHT AND FORECAST FROM HIMAWARI-9 SAT IMG,
GROUND REPORTS AND MODEL GUIDANCE. LOW CONFIDENCE IN FCST
DUE TO LIGHT AND VARIABLE WINDS.
NXT ADVISORY: NO LATER THAN 20260804/1920Z=
VA ADVISORY
DTG: 20260804/1256Z
VAAC: WASHINGTON
VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837
AREA: MEXICO
SOURCE ELEV: 17693 FT AMSL
ADVISORY NR: 2026/307
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: VA EM DETECTED
OBS VA DTG: 04/1221Z
OBS VA CLD: SFC/FL210 N1908 W09854 - N1902 W09837
- N1859 W09837 - N1844 W09923 - N1855 W09926 -
N1908 W09854 MOV W 5KT
FCST VA CLD +6HR: 04/1830Z SFC/FL210 N1902 W09837
- N1900 W09836 - N1829 W09909 - N1844 W09923 -
N1902 W09837
FCST VA CLD +12HR: 05/0030Z SFC/FL210 N1902
W09838 - N1901 W09837 - N1828 W09907 - N1839
W09919 - N1902 W09838
FCST VA CLD +18HR: 05/0630Z NO VA EXP
RMK: VA EM OBS IN WEBCAM AND IN STLT IMG MOVING W
THEN WSW AT APX 45 NMI WSW FM SUMMIT. LGT WINDS
EXP WITH MOVEMENT SHIFT TO SW THRU T+12 HRS WITH
MED CONFD DUE TO LGT WINDS. FL BSD ON PAST
ACTIVITY. FCST BSD ON NWP MDLS. ...LINER
NXT ADVISORY: WILL BE ISSUED BY 20260804/1900Z
VAWR9242 WAAF 08041200
[ASHTAM 9242
A]WAAF
B]2608032213
C]LEWOTOBI 264180
D]S0833E12246
E]ORANGE ALERT
F]SFC/FL090 S0834 E12248 - S0839 E12232 - S0835
E12222 - S0825 E12224 - S0822 E12233 - S0831 E12248 - S0834 E12248
G]MOV W 05KT
H]W42
I]NIL
J]HIMAWARI-9, CVGHM
K]VA TO FL090 REPORTED AT 04/1028Z
VA NOT IDENTIFIABLE ON CURRENT SATELLITE IMAGERY.
GROUND REPORTS INDICATE DISCRETE VA EMISSIONS ARE ONGOING.
VA HEIGHT AND MOVEMENT BASED ON SATELLITE IMAGERY, GROUND
REPORTS AND MODEL GUIDANCE.]
VA ADVISORY
DTG: 20260804/1220Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SOURCE ELEV: 1703M AMSL
ADVISORY NR: 2026/336
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL090 REPORTED AT 04/1028Z
EST VA DTG: 04/1200Z
EST VA CLD: SFC/FL090 S0834 E12248 - S0839 E12232 - S0835
E12222 - S0825 E12224 - S0822 E12233 - S0831 E12248 MOV W
05KT
FCST VA CLD +6 HR: 04/1800Z SFC/FL090 S0835 E12246 - S0837
E12220 - S0828 E12220 - S0818 E12229 - S0831 E12248
FCST VA CLD +12 HR: 05/0000Z SFC/FL090 S0835 E12247 - S0834
E12222 - S0818 E12229 - S0831 E12248
FCST VA CLD +18 HR: 05/0600Z SFC/FL090 S0834 E12249 - S0834
E12223 - S0824 E12226 - S0818 E12231 - S0831 E12250
RMK: VA NOT IDENTIFIABLE ON CURRENT SATELLITE IMAGERY.
GROUND REPORTS INDICATE DISCRETE VA EMISSIONS ARE ONGOING.
VA HEIGHT AND MOVEMENT BASED ON SATELLITE IMAGERY, GROUND
REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260804/1820Z=
VA ADVISORY
DTG: 20260804/1120Z
VAAC: WASHINGTON
VOLCANO: PURACE 351060
PSN: N0219 W07624
AREA: COLOMBIA
SOURCE ELEV: 15256 FT AMSL
ADVISORY NR: 2026/354
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: VA EM DETECTED
OBS VA DTG: 04/1050Z
OBS VA CLD: SFC/FL170 N0232 W07647 - N0220 W07623
- N0218 W07624 - N0225 W07650 - N0232 W07647 MOV
NW 15KT
FCST VA CLD +6HR: 04/1700Z SFC/FL170 N0234 W07652
- N0219 W07623 - N0217 W07624 - N0227 W07653 -
N0234 W07652
FCST VA CLD +12HR: 04/2300Z SFC/FL170 N0240
W07644 - N0219 W07623 - N0218 W07624 - N0234
W07650 - N0240 W07644
FCST VA CLD +18HR: 05/0500Z SFC/FL170 N0242
W07646 - N0219 W07623 - N0218 W07624 - N0235
W07652 - N0242 W07646
RMK: VA EM OBS IN STLT IMG MOVING WNW AT APX 25
NMI FM SUMMIT. EXP WNW TO NW MOVEMENT THRU T+18
HRS. FL AND FCST BSD ON NWP MDLS. ...LINER
NXT ADVISORY: WILL BE ISSUED BY 20260804/1715Z
VAWR9241 WAAF 08040940
[ASHTAM 9241
A]WAAF
B]2608040940
C]DUKONO 268010
D]N0142E12754
E]ORANGE ALERT
F]SFC/FL070 N0140 E12749 - N0233 E12741 - N0304
E12805 - N0242 E12906 - N0157 E12856 - N0136 E12756 - N0140 E12749
G]MOV NE 05KT
H]NIL
I]NIL
J]HIMAWARI-9
K]VA TO FL070 EXT NE LAST OBS AT 04/0440Z.
VA CURRENTLY UNIDENTIFIABLE ON LATEST SATELLITE IMAGERY
DUE TO MET CLOUD.HOWEVER, ASH IS EXPECTED TO BE IN THE AREA.
VA HEIGHT AND FORECAST BASED ON SATELLITE IMAGERY AND MODEL
GUIDANCE.]
VA ADVISORY
DTG: 20260804/1008Z
VAAC: WASHINGTON
VOLCANO: REVENTADOR 352010
PSN: S0004 W07739
AREA: ECUADOR
SOURCE ELEV: 11686 FT AMSL
ADVISORY NR: 2026/780
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: ONGOING VA EMS
EST VA DTG: 04/0950Z
EST VA CLD: SFC/FL140 N0004 W07756 - S0004 W07739
- S0005 W07739 - S0002 W07757 - N0004 W07756 MOV
W 10KT
FCST VA CLD +6HR: 04/1600Z SFC/FL140 N0004 W07756
- S0005 W07739 - S0005 W07740 - S0005 W07740 -
S0002 W07758 - N0004 W07756
FCST VA CLD +12HR: 04/2200Z SFC/FL140 N0004
W07756 - S0004 W07739 - S0005 W07740 - S0002
W07757 - N0004 W07756
FCST VA CLD +18HR: 05/0400Z SFC/FL140 N0004
W07756 - S0004 W07739 - S0005 W07739 - S0002
W07757 - N0004 W07756
RMK: VA NOT DETECTED ON STLT DUE TO WX CLDS IN
SUMMIT AREA. WEBCAM SHOWS SUMMIT ACTVTY SO VA EMS
LIKELY CONTINUE. NO CHG FCST TO MDL WINDS AT FL
NXT 18 HR. ...KONON
NXT ADVISORY: WILL BE ISSUED BY 20260804/1615Z
VA ADVISORY
DTG: 20260804/1000Z
VAAC: DARWIN
VOLCANO: DUKONO 268010
PSN: N0142 E12754
AREA: INDONESIA
SOURCE ELEV: 1229M AMSL
ADVISORY NR: 2026/583
INFO SOURCE: HIMAWARI-9
ERUPTION DETAILS: VA TO FL070 EXT NE LAST OBS AT 04/0440Z
OBS VA DTG: 04/0940Z
OBS VA CLD: SFC/FL070 N0140 E12749 - N0233 E12741 - N0304
E12805 - N0242 E12906 - N0157 E12856 - N0136 E12756 MOV NE
05KT
FCST VA CLD +6 HR: 04/1540Z SFC/FL070 N0140 E12748 - N0234
E12742 - N0306 E12806 - N0241 E12912 - N0157 E12856 - N0135
E12756
FCST VA CLD +12 HR: 04/2140Z SFC/FL070 N0139 E12748 - N0235
E12740 - N0306 E12806 - N0240 E12910 - N0156 E12856 - N0135
E12759 - N0135 E12758
FCST VA CLD +18 HR: 05/0340Z SFC/FL070 N0138 E12747 - N0238
E12741 - N0306 E12806 - N0243 E12904 - N0157 E12855 - N0136
E12800
RMK: VA CURRENTLY UNIDENTIFIABLE ON LATEST SATELLITE IMAGERY
DUE TO MET CLOUD.HOWEVER, ASH IS EXPECTED TO BE IN THE AREA.
VA HEIGHT AND FORECAST BASED ON SATELLITE IMAGERY AND MODEL
GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260804/1600Z=
VA ADVISORY -CORRECTION
DTG: 20260804/0919Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/903
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: SIG VA EMS
OBS VA DTG: 04/0830Z
OBS VA CLD: SFC/FL180 N1508 W09157 - N1433 W09053
- N1428 W09052 - N1426 W09054 - N1435 W09156 -
N1508 W09157 MOV W 10KT
FCST VA CLD +6HR: 04/1430Z SFC/FL180 N1515 W09215
- N1431 W09054 - N1428 W09052 - N1427 W09053 -
N1429 W09215 - N1515 W09215
FCST VA CLD +12HR: 04/2030Z SFC/FL180 N1442
W09141 - N1428 W09052 - N1428 W09053 - N1429
W09141 - N1442 W09141
FCST VA CLD +18HR: 05/0230Z SFC/FL180 N1438
W09127 - N1428 W09052 - N1428 W09053 - N1428
W09127 - N1438 W09127
RMK: COR FOR TYPO. VRY DENSE VA PLUME WITHIN 35 NM
OF SUMMIT MOVG W. MDTLY DENSE PLUME EXTENDING APROX
65 NM WNW OF SUMMIT CURRENTLY. WEBCAM SHOWS CONS STG
EMS WITH LTG IN PLUME. LTLCHG FCST IN MDL WINDS AT
FL NXT 18 HR. ...KONON
NXT ADVISORY: WILL BE ISSUED BY 20260804/1515Z
VA ADVISORY
DTG: 20260804/0914Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/903
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: SIG VA EMS
OBS VA DTG: 04/0830Z
OBS VA CLD: SFC/FL180 N1508 W09157 - N1433 W09053
- N1428 W09052 - N1426 W09054 - N1435 W09156 -
N1508 W09157 MOV W 10KT
FCST VA CLD +6HR: 04/1430Z SFC/FL180 N1515 W09215
- N1431 W09054 - N1428 W09052 - N1427 W09053 -
N1429 W09215 - N1515 W09215
FCST VA CLD +12HR: 04/2030Z SFC/FL180 N1442
W09141 - N1428 W09052 - N1428 W09053 - N1429
W09141 - N1442 W09141
FCST VA CLD +18HR: 05/0230Z SFC/FL180 N1438
W09127 - N1428 W09052 - N1428 W09053 - N1428
W09127 - N1438 W09127
RMK: VRY DENSE VA PLUME WITHIN 35 NM OF SUMMIT
MOVG W. MDTLY DENSE PLUME EXTENDED APROX 65 NM
WNW OF SUMMIT CURRENTLY. WEBCAM SHOWS CONS STG EMS
WITH LTG IN PLUME. LTLCHG FCST IN MDL WINDS AT FL
NXT 18 HR. ...KONON
NXT ADVISORY: WILL BE ISSUED BY 20260804/1515Z
VAWR9240 WAAF 08040750
[ASHTAM 9240
A]WAAF
B]2608040123
C]IBU 268030
D]N0129E12738
E]ORANGE ALERT
F]SFC/FL070 N0129 E12736 - N0150 E12737 - N0147
E12750 - N0138 E12758 - N0127 E12738 - N0129 E12736
G]MOV NE 10KT
H]NIL
I]NIL
J]HIMAWARI-9, CVGHM
K]VA TO FL070 MOV NE.
INTERMITTENT DISCRETE ERUPTION IDENTIFIABLE ON
SATELLITE IMAGERY, VA MOVING NORTHEAST. GROUND REPORTS ALSO
INDICATE ONGOING DISCRETE ERUPTIONS. VA HEIGHT AND FCST
BASED ON SATELLITE IMAGERY, GROUND REPORTS AND MODEL
GUIDANCE.
]
VA ADVISORY
DTG: 20260804/0810Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SOURCE ELEV: 1325M AMSL
ADVISORY NR: 2026/875
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL070 MOV NE
OBS VA DTG: 04/0750Z
OBS VA CLD: SFC/FL070 N0129 E12736 - N0150 E12737 - N0147
E12750 - N0138 E12758 - N0127 E12738 MOV NE 10KT
FCST VA CLD +6 HR: 04/1350Z SFC/FL070 N0127 E12738 - N0129
E12735 - N0150 E12738 - N0144 E12755 - N0130 E12758
FCST VA CLD +12 HR: 04/1950Z SFC/FL070 N0129 E12736 - N0148
E12742 - N0143 E12755 - N0131 E12758 - N0127 E12739
FCST VA CLD +18 HR: 05/0150Z SFC/FL070 N0127 E12739 - N0129
E12736 - N0148 E12742 - N0143 E12755 - N0131 E12758
RMK: INTERMITTENT DISCRETE ERUPTION IDENTIFIABLE ON
SATELLITE IMAGERY, VA MOVING NORTHEAST. GROUND REPORTS ALSO
INDICATE ONGOING DISCRETE ERUPTIONS. VA HEIGHT AND FCST
BASED ON SATELLITE IMAGERY, GROUND REPORTS AND MODEL
GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260804/1410Z=
VAWR9239 WAAF 08040650
[ASHTAM 9239
A]WAAF
B]2608040341
C]SEMERU 263300
D]S0806E11255
E]ORANGE ALERT
F]SFC/FL150 S0808 E11254 - S0800 E11251 - S0747
E11256 - S0753 E11312 - S0809 E11310 - S0815 E11304 - S0808 E11254
G]MOV E 05KT
H]NIL
I]NIL
J]HIMAWARI-9, CVGHM
K]VA TO FL150 MOV SE LAST OBS 04/0200Z.
VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET
CLOUD. VA HEIGHT AND FORECAST FROM HIMAWARI-9 SAT IMG,
GROUND REPORTS AND MODEL GUIDANCE. LOW CONFIDENCE IN FCST
DUE TO LIGHT AND VARIABLE WINDS.]
VA ADVISORY
DTG: 20260804/0720Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/884
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL150 MOV SE LAST OBS 04/0200Z
EST VA DTG: 04/0650Z
EST VA CLD: SFC/FL150 S0808 E11254 - S0800 E11251 - S0747
E11256 - S0753 E11312 - S0809 E11310 - S0815 E11304 MOV E
05KT
FCST VA CLD +6 HR: 04/1250Z SFC/FL150 S0808 E11254 - S0754
E11246 - S0743 E11300 - S0801 E11317 - S0809 E11313 - S0809
E11257
FCST VA CLD +12 HR: 04/1850Z SFC/FL150 S0808 E11254 - S0754
E11246 - S0743 E11259 - S0801 E11317 - S0808 E11257
FCST VA CLD +18 HR: 05/0050Z SFC/FL150 S0808 E11254 - S0754
E11246 - S0743 E11300 - S0801 E11317 - S0808 E11257
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET
CLOUD. VA HEIGHT AND FORECAST FROM HIMAWARI-9 SAT IMG,
GROUND REPORTS AND MODEL GUIDANCE. LOW CONFIDENCE IN FCST
DUE TO LIGHT AND VARIABLE WINDS.
NXT ADVISORY: NO LATER THAN 20260804/1320Z=
VA ADVISORY
DTG: 20260804/0658Z
VAAC: WASHINGTON
VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837
AREA: MEXICO
SOURCE ELEV: 17693 FT AMSL
ADVISORY NR: 2026/306
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: ONGOING VA EMS
OBS VA DTG: 04/0646Z
OBS VA CLD: SFC/FL210 N1907 W09918 - N1901 W09837
- N1900 W09837 - N1850 W09917 - N1907 W09918 MOV
W 10KT
FCST VA CLD +6HR: 04/1300Z SFC/FL210 N1902 W09837
- N1900 W09837 - N1832 W09922 - N1854 W09932 -
N1902 W09837
FCST VA CLD +12HR: 04/1900Z SFC/FL210 N1901
W09838 - N1901 W09837 - N1823 W09916 - N1840
W09926 - N1901 W09838
FCST VA CLD +18HR: 05/0100Z SFC/FL210 N1901
W09838 - N1901 W09837 - N1831 W09905 - N1844
W09913 - N1901 W09838
RMK: MDTLY DENSE VA PUFFS DETECTED ON STLT MOVG
W OF SUMMIT. WEBCAM SHOWS VA EMS. MDL WINDS AT FL
FCST TO BACK OVR NXT 12 HR BECMG MORE FM THE NE.
...KONON
NXT ADVISORY: WILL BE ISSUED BY 20260804/1300Z
VAWR9238 WAAF 08040550
[ASHTAM 9238
A]WAAF
B]2608032213
C]LEWOTOBI 264180
D]S0833E12246
E]ORANGE ALERT
F]SFC/FL090 S0834 E12248 - S0841 E12231 - S0838
E12220 - S0825 E12222 - S0823 E12233 - S0832 E12247 - S0834 E12248
G]MOV W 10KT
H]W42
I]NIL
J]HIMAWARI-9, CVGHM
K]VA TO FL090 REPORTED AT 04/0442Z.
VA NOT IDENTIFIABLE ON CURRENT SATELLITE IMAGERY.
GROUND REPORTS INDICATE DISCRETE VA EMISSIONS ARE ONGOING.
VA HEIGHT AND MOVEMENT BASED ON SATELLITE IMAGERY, GROUND
REPORTS AND MODEL GUIDANCE.]
VA ADVISORY
DTG: 20260804/0620Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SOURCE ELEV: 1703M AMSL
ADVISORY NR: 2026/335
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL090 REPORTED AT 04/0442Z
EST VA DTG: 04/0550Z
EST VA CLD: SFC/FL090 S0834 E12248 - S0841 E12231 - S0838
E12220 - S0825 E12222 - S0823 E12233 - S0832 E12247 MOV W
10KT
FCST VA CLD +6 HR: 04/1150Z SFC/FL090 S0832 E12248 - S0834
E12248 - S0841 E12231 - S0837 E12220 - S0825 E12222 - S0823
E12233
FCST VA CLD +12 HR: 04/1750Z SFC/FL090 S0835 E12247 - S0834
E12216 - S0814 E12229 - S0831 E12248
FCST VA CLD +18 HR: 04/2350Z SFC/FL090 S0835 E12247 - S0834
E12217 - S0815 E12229 - S0831 E12248
RMK: VA NOT IDENTIFIABLE ON CURRENT SATELLITE IMAGERY.
GROUND REPORTS INDICATE DISCRETE VA EMISSIONS ARE ONGOING.
VA HEIGHT AND MOVEMENT BASED ON SATELLITE IMAGERY, GROUND
REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260804/1220Z=
VA ADVISORY -CORRECTION
DTG: 20260804/0537Z
VAAC: WASHINGTON
VOLCANO: PURACE 351060
PSN: N0219 W07624
AREA: COLOMBIA
SOURCE ELEV: 15256 FT AMSL
ADVISORY NR: 2026/353
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: ONGOING VA EMS
OBS VA DTG: 04/0510Z
OBS VA CLD: SFC/FL180 N0232 W07638 - N0219 W07623
- N0219 W07624 - N0226 W07642 - N0232 W07638 MOV
NW 10KT
FCST VA CLD +6HR: 04/1100Z SFC/FL180 N0232 W07639
- N0220 W07624 - N0218 W07624 - N0226 W07643 -
N0232 W07639
FCST VA CLD +12HR: 04/1700Z SFC/FL180 N0228
W07643 - N0220 W07624 - N0219 W07624 - N0219
W07643 - N0228 W07643
FCST VA CLD +18HR: 04/2300Z SFC/FL180 N0228
W07644 - N0220 W07625 - N0219 W07623 - N0219
W07643 - N0228 W07644
RMK: COR OF VA SPD. VA DETECTED ON STLT MOVG NW
OF SUMMIT. MDL WINDS AT FL FCST TO BACK BY T+12
HR BECMG MORE FM THE E. ...KONON
NXT ADVISORY: WILL BE ISSUED BY 20260804/1130Z
VA ADVISORY
DTG: 20260804/0534Z
VAAC: WASHINGTON
VOLCANO: PURACE 351060
PSN: N0219 W07624
AREA: COLOMBIA
SOURCE ELEV: 15256 FT AMSL
ADVISORY NR: 2026/353
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: ONGOING VA EMS
OBS VA DTG: 04/0510Z
OBS VA CLD: SFC/FL180 N0232 W07638 - N0219 W07623
- N0219 W07624 - N0226 W07642 - N0232 W07638 MOV
NW 0KT
FCST VA CLD +6HR: 04/1100Z SFC/FL180 N0232 W07639
- N0220 W07624 - N0218 W07624 - N0226 W07643 -
N0232 W07639
FCST VA CLD +12HR: 04/1700Z SFC/FL180 N0228
W07643 - N0220 W07624 - N0219 W07624 - N0219
W07643 - N0228 W07643
FCST VA CLD +18HR: 04/2300Z SFC/FL180 N0228
W07644 - N0220 W07625 - N0219 W07623 - N0219
W07643 - N0228 W07644
RMK: VA DETECTED ON STLT MOVG NW OF SUMMIT. MDL
WINDS AT FL FCST TO BACK BY T+12 HR BECMG MORE FM
TEH E. ...KONON
NXT ADVISORY: WILL BE ISSUED BY 20260804/1130Z
VAWR9237 WAAF 08040410
[ASHTAM 9237
A]WAAF
B]2608040410
C]DUKONO 268010
D]N0142E12754
E]ORANGE ALERT
F]SFC/FL070 N0139 E12748 - N0227 E12751 - N0306
E12812 - N0242 E12911 - N0155 E12853 - N0135 E12755 - N0139 E12748
G]MOV NE 10KT
H]NIL
I]NIL
J]HIMAWARI-9
K]VA TO FL070 EXT NE.
CONTINUOUS VA EMISSION IDENTIFIABLE ON SATELLITE
IMAGERY EXTENDING NE. VA HEIGHT AND FORECAST BASED ON
SATELLITE IMAGERY AND MODEL GUIDANCE.]
VA ADVISORY
DTG: 20260804/0437Z
VAAC: WASHINGTON
VOLCANO: REVENTADOR 352010
PSN: S0004 W07739
AREA: ECUADOR
SOURCE ELEV: 11686 FT AMSL
ADVISORY NR: 2026/779
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: ONGOING VA EMS
OBS VA DTG: 04/0410Z
OBS VA CLD: SFC/FL140 N0003 W07757 - S0004 W07739
- S0005 W07740 - S0003 W07757 - N0003 W07757 MOV
W 10KT
FCST VA CLD +6HR: 04/1000Z SFC/FL140 N0003 W07757
- S0004 W07740 - S0005 W07740 - S0004 W07757 -
N0003 W07757
FCST VA CLD +12HR: 04/1600Z SFC/FL140 N0003
W07757 - S0004 W07739 - S0005 W07740 - S0004
W07757 - N0003 W07757
FCST VA CLD +18HR: 04/2200Z SFC/FL140 N0002
W07756 - S0004 W07740 - S0005 W07740 - S0003
W07756 - N0002 W07756
RMK: VA NOT DETECTED ON STLT DUE TO WX CLDS IN
SUMMIT AREA. WEBCAM SHOWS SUMMIT ACTVTY. NO CHG
FCST TO MDL WINDS AT FL NXT 18 HR. ...KONON
NXT ADVISORY: WILL BE ISSUED BY 20260804/1030Z
VA ADVISORY
DTG: 20260804/0440Z
VAAC: DARWIN
VOLCANO: DUKONO 268010
PSN: N0142 E12754
AREA: INDONESIA
SOURCE ELEV: 1229M AMSL
ADVISORY NR: 2026/582
INFO SOURCE: HIMAWARI-9
ERUPTION DETAILS: VA TO FL070 EXT NE
OBS VA DTG: 04/0410Z
OBS VA CLD: SFC/FL070 N0139 E12748 - N0227 E12751 - N0306
E12812 - N0242 E12911 - N0155 E12853 - N0135 E12755 MOV NE
10KT
FCST VA CLD +6 HR: 04/1010Z SFC/FL070 N0140 E12749 - N0234
E12750 - N0305 E12813 - N0241 E12911 - N0157 E12856 - N0136
E12756
FCST VA CLD +12 HR: 04/1610Z SFC/FL070 N0139 E12750 - N0231
E12751 - N0306 E12813 - N0241 E12912 - N0157 E12856 - N0135
E12756
FCST VA CLD +18 HR: 04/2210Z SFC/FL070 N0135 E12758 - N0139
E12748 - N0232 E12751 - N0306 E12815 - N0240 E12910 - N0156
E12856 - N0135 E12759 - N0139 E12749
RMK: CONTINUOUS VA EMISSION IDENTIFIABLE ON SATELLITE
IMAGERY EXTENDING NE. VA HEIGHT AND FORECAST BASED ON
SATELLITE IMAGERY AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260804/1040Z=
VA ADVISORY
DTG: 20260804/0328Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/902
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: SIG VA EMS
OBS VA DTG: 04/0300Z
OBS VA CLD: SFC/FL140 N1429 W09053 - N1428 W09053
- N1356 W09314 - N1413 W09316 - N1429 W09053 MOV
SW 10KT SFC/FL160 N1439 W09111 - N1429 W09052 -
N1428 W09053 - N1427 W09113 - N1439 W09111 MOV W
10KT
FCST VA CLD +6HR: 04/0900Z SFC/FL140 N1429 W09052
- N1428 W09052 - N1418 W09138 - N1429 W09140 -
N1429 W09052 SFC/FL160 N1455 W09143 - N1429
W09053 - N1428 W09053 - N1429 W09146 - N1455
W09143
FCST VA CLD +12HR: 04/1500Z SFC/FL140 N1438
W09138 - N1429 W09052 - N1428 W09054 - N1423
W09138 - N1438 W09138 SFC/FL160 NO VA EXP
FCST VA CLD +18HR: 04/2100Z SFC/FL140 N1438
W09138 - N1429 W09053 - N1428 W09053 - N1422
W09138 - N1438 W09138
RMK: VA UPDATED DUE TO NEW DENSE VA PLUME MOVG
WNW OF SUMMIT AT FL160. VA PLUME FL140 FM
EARLIER EMS MUCH FARTHER WSW APROX 145 NM OVR
OPEN PACIFIC. ...KONON
NXT ADVISORY: WILL BE ISSUED BY 20260804/0930Z
VAWR9236 WAAF 08040210
[ASHTAM 9236
A]WAAF
B]2608040123
C]IBU 268030
D]N0129E12738
E]ORANGE ALERT
F]SFC/FL070 N0127 E12738 - N0129 E12736 - N0151
E12737 - N0148 E12750 - N0138 E12758 - N0127 E12738
G]MOV NE 10KT
H]NIL
I]NIL
J]HIMAWARI-9, CVGHM
K]VA TO FL070 MOV NE.
INTERMITTENT DISCRETE ERUPTION IDENTIFIABLE ON
SATELLITE IMAGERY MOVING NORTHEAST. GROUND REPORTS ALSO
INDICATE ONGOING DISCRETE ERUPTIONS. VA HEIGHT AND FCST
BASED ON SATELLITE IMAGERY, GROUND REPORTS AND MODEL
GUIDANCE.]
VA ADVISORY
DTG: 20260804/0259Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2026/901
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: ONGOING VA EMS
OBS VA DTG: 04/0220Z
OBS VA CLD: SFC/FL140 N1429 W09104 - N1428 W09052
- N1428 W09052 - N1414 W09152 - N1423 W09201 -
N1429 W09104 MOV W 10KT
FCST VA CLD +6HR: 04/0830Z SFC/FL140 N1431 W09134
- N1428 W09052 - N1428 W09053 - N1418 W09134 -
N1431 W09134
FCST VA CLD +12HR: 04/1430Z SFC/FL140 N1434
W09130 - N1429 W09052 - N1428 W09053 - N1423
W09130 - N1434 W09130
FCST VA CLD +18HR: 04/2030Z SFC/FL140 N1434
W09129 - N1429 W09053 - N1428 W09053 - N1423
W09129 - N1434 W09129
RMK: VA PLUME DETECTED ON STLT MOVG WSW OF SUMMIT
TO PAC COAST. WEBCAM SHOWS VA EMS. MDL WINDS AT
FL FCST TO VEER OVR NXT 6 HR BECMG MORE FM THE E.
...KONON
NXT ADVISORY: WILL BE ISSUED BY 20260804/0900Z
VA ADVISORY
DTG: 20260804/0240Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SOURCE ELEV: 1325M AMSL
ADVISORY NR: 2026/874
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL070 MOV NE
OBS VA DTG: 04/0210Z
OBS VA CLD: SFC/FL070 N0127 E12738 - N0129 E12736 - N0151
E12737 - N0148 E12750 - N0138 E12758 MOV NE 10KT
FCST VA CLD +6 HR: 04/0810Z SFC/FL070 N0127 E12738 - N0129
E12736 - N0150 E12737 - N0147 E12750 - N0138 E12758
FCST VA CLD +12 HR: 04/1410Z SFC/FL070 N0127 E12738 - N0129
E12735 - N0150 E12738 - N0144 E12755 - N0130 E12758
FCST VA CLD +18 HR: 04/2010Z SFC/FL070 N0129 E12736 - N0148
E12742 - N0143 E12755 - N0131 E12758 - N0127 E12739
RMK: INTERMITTENT DISCRETE ERUPTION IDENTIFIABLE ON
SATELLITE IMAGERY MOVING NORTHEAST. GROUND REPORTS ALSO
INDICATE ONGOING DISCRETE ERUPTIONS. VA HEIGHT AND FCST
BASED ON SATELLITE IMAGERY, GROUND REPORTS AND MODEL
GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260804/0840Z=
VA ADVISORY
DTG: 20260804/0145Z
VAAC: BUENOS AIRES
VOLCANO: SABANCAYA 354006
PSN: S1547 W07150
AREA: PERU
SUMMIT ELEV: 19576 FT [5967 M]
ADVISORY NR: 2026/481
INFO SOURCE: GOES-E. GFS. WEBCAM. VOLCAT.
AVIATION COLOUR CODE: NOT GIVEN
ERUPTION DETAILS: NO ERUPTION
OBS VA DTG: 04/0110Z
OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE
DATA
FCST VA CLD +6 HR: 04/0710Z NO VA EXP
FCST VA CLD +12 HR: 04/1310Z NO VA EXP
FCST VA CLD +18 HR: 04/1910Z NO VA EXP
RMK: VA NOT IDENTIFIABLE FROM SATELLITE DATA
UNDER CLEAR SKIES LASTEST VA PULSE HAS
DISSIPATED. WEBCAM SHOWS SPORADIC STEAM EMISSION
AT SUMMIT. WE WILL KEEP MONITORING ...SMN
NXT ADVISORY: NO FURTHER ADVISORIES=
VA ADVISORY -CORRECTION
DTG: 20260804/0122Z
VAAC: WASHINGTON
VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837
AREA: MEXICO
SOURCE ELEV: 17693 FT AMSL
ADVISORY NR: 2026/305
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: VA EMS ONGOING
OBS VA DTG: 04/0056Z
OBS VA CLD: SFC/FL210 N1902 W09837 - N1901 W09837
- N1848 W09846 - N1855 W09851 - N1902 W09837 MOV
SW 10KT
FCST VA CLD +6HR: 04/0700Z SFC/FL210 N1902 W09900
- N1901 W09837 - N1900 W09837 - N1849 W09859 -
N1902 W09900
FCST VA CLD +12HR: 04/1300Z SFC/FL210 N1902
W09901 - N1901 W09837 - N1900 W09837 - N1848
W09859 - N1902 W09901
FCST VA CLD +18HR: 04/1900Z SFC/FL210 N1902
W09900 - N1901 W09838 - N1901 W09837 - N1848
W09858 - N1902 W09900
RMK: COR FOR FL AT T+18 HR. VA DETECTED ON STLT
MOVG SW OF SUMMIT. WX CLDS CVR PART OF SUMMIT
AREA CURRENTLY. MDL WINDS AT FL FCST TO VEER A
BIT NXT 6 HR BECMG MORE FM THE ENE. ...KONON
NXT ADVISORY: WILL BE ISSUED BY 20260804/0715Z
VA ADVISORY
DTG: 20260804/0119Z
VAAC: WASHINGTON
VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837
AREA: MEXICO
SOURCE ELEV: 17693 FT AMSL
ADVISORY NR: 2026/305
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: VA EMS ONGOING
OBS VA DTG: 04/0056Z
OBS VA CLD: SFC/FL210 N1902 W09837 - N1901 W09837
- N1848 W09846 - N1855 W09851 - N1902 W09837 MOV
SW 10KT
FCST VA CLD +6HR: 04/0700Z SFC/FL210 N1902 W09900
- N1901 W09837 - N1900 W09837 - N1849 W09859 -
N1902 W09900
FCST VA CLD +12HR: 04/1300Z SFC/FL210 N1902
W09901 - N1901 W09837 - N1900 W09837 - N1848
W09859 - N1902 W09901
FCST VA CLD +18HR: 04/1900Z SFC/FL140 N1902
W09900 - N1901 W09838 - N1901 W09837 - N1848
W09858 - N1902 W09900
RMK: VA DETECTED ON STLT MOVG SW OF SUMMIT. WX
CLDS CVR PART OF SUMMIT AREA CURRENTLY. MDL WINDS
AT FL FCST TO VEER A BIT NXT 6 HR BECMG MORE FM
THE ENE. ...KONON
NXT ADVISORY: WILL BE ISSUED BY 20260804/0715Z
VA ADVISORY
DTG: 20260804/0118Z
VAAC: WELLINGTON
VOLCANO: AMBAE 257030
PSN: S1523 E16750
AREA: VANUATU
SOURCE ELEV: 1496M AMSL
ADVISORY NR: 2026/292
INFO SOURCE: H9 SATELLITE IMAGERY
ERUPTION DETAILS: NO EVIDENCE OF FURTHER ERUPTION
OBS VA DTG: 04/0118Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND
FL010/020 130/20KT
FCST VA CLD +6 HR: 04/0718Z NO VA EXP
FCST VA CLD +12 HR: 04/1318Z NO VA EXP
FCST VA CLD +18 HR: 04/1918Z NO VA EXP
RMK: NO FURTHER EVIDENCE OF VA. PREVIOUS ASH EMISSION IS NO
LONGER IDENTIFIABLE AND NO NEW EMISSIONS HAVE BEEN OBSERVED.
NXT ADVISORY: NO FURTHER ADVISORIES=
VA ADVISORY
DTG: 20260804/0120Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/883
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL150 MOV SE
OBS VA DTG: 04/0100Z
OBS VA CLD: SFC/FL150 S0806 E11252 - S0804 E11256 - S0803
E11306 - S0810 E11310 - S0816 E11302 - S0815 E11253 MOV SE
05KT
FCST VA CLD +6 HR: 04/0700Z SFC/FL150 S0808 E11251 - S0758
E11248 - S0747 E11256 - S0753 E11312 - S0809 E11310 - S0815
E11304
FCST VA CLD +12 HR: 04/1300Z SFC/FL150 S0808 E11254 - S0754
E11246 - S0743 E11300 - S0801 E11317 - S0809 E11257
FCST VA CLD +18 HR: 04/1900Z SFC/FL150 S0808 E11254 - S0754
E11246 - S0743 E11259 - S0801 E11317 - S0808 E11257
RMK: MINOR ERUPTION OBSERVED ON SATELLITE IMAGERY WITH VA
PLUME MOVING SOUTHEAST. VA HEIGHT AND FORECAST FROM
HIMAWARI-9 SAT IMG, GROUND REPORTS AND MODEL GUIDANCE. LOW
CONFIDENCE IN FCST DUE TO LIGHT AND VARIABLE WINDS.
NXT ADVISORY: NO LATER THAN 20260804/0720Z=
VA ADVISORY
DTG: 20260804/0020Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SOURCE ELEV: 1703M AMSL
ADVISORY NR: 2026/334
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL090 REPORTED AT 03/2213Z
EST VA DTG: 03/2350Z
EST VA CLD: SFC/FL090 S0834 E12249 - S0857 E12222 - S0841
E12159 - S0821 E12211 - S0823 E12232 - S0829 E12248 MOV W
15KT
FCST VA CLD +6 HR: 04/0550Z SFC/FL090 S0834 E12250 - S0857
E12222 - S0840 E12158 - S0824 E12212 - S0823 E12233 - S0828
E12248
FCST VA CLD +12 HR: 04/1150Z SFC/FL090 S0835 E12249 - S0847
E12212 - S0833 E12204 - S0822 E12213 - S0830 E12248
FCST VA CLD +18 HR: 04/1750Z SFC/FL090 S0831 E12248 - S0836
E12247 - S0833 E12207 - S0809 E12218
RMK: VA NOT IDENTIFIABLE ON CURRENT SATELLITE IMAGERY.
GROUND REPORTS INDICATE DISCRETE VA EMISSIONS ARE ONGOING.
VA HEIGHT AND MOVEMENT BASED ON SATELLITE IMAGERY, GROUND
REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260804/0620Z=
VA ADVISORY
DTG: 20260803/2340Z
VAAC: WASHINGTON
VOLCANO: PURACE 351060
PSN: N0219 W07624
AREA: COLOMBIA
SOURCE ELEV: 15256 FT AMSL
ADVISORY NR: 2026/352
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: PSBL VA EMS
OBS VA DTG: 03/2320Z
OBS VA CLD: SFC/FL180 N0221 W07635 - N0220 W07623
- N0218 W07623 - N0214 W07634 - N0221 W07635 MOV
SW 15KT
FCST VA CLD +6HR: 04/0530Z SFC/FL180 N0221 W07640
- N0219 W07623 - N0218 W07623 - N0213 W07639 -
N0221 W07640
FCST VA CLD +12HR: 04/1130Z SFC/FL180 N0220
W07623 - N0218 W07623 - N0211 W07638 - N0220
W07641 - N0220 W07623
FCST VA CLD +18HR: 04/1730Z NO VA EXP
RMK: VA EMS NOT OBSD IN STLT IMG PSBLY DUE TO MET
CLDS. LTLCG IN FCST THRU T+12 HRS. MVMT AND HGT
BASED ON NWP MDLS. ...BERTALAN
NXT ADVISORY: WILL BE ISSUED BY 20260804/0545Z
VA ADVISORY
DTG: 20260803/2256Z
VAAC: WASHINGTON
VOLCANO: REVENTADOR 352010
PSN: S0004 W07739
AREA: ECUADOR
SOURCE ELEV: 11686 FT AMSL
ADVISORY NR: 2026/778
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: VA EMS OBSD IN WEBCAM
EST VA DTG: 03/2230Z
EST VA CLD: SFC/FL140 S0000 W07750 - S0004 W07739
- S0005 W07740 - S0005 W07750 - S0000 W07750 MOV
NW 10KT
FCST VA CLD +6HR: 04/0430Z SFC/FL140 N0002 W07752
- S0004 W07739 - S0005 W07740 - S0003 W07755 -
N0002 W07752
FCST VA CLD +12HR: 04/1030Z SFC/FL140 N0003
W07752 - S0004 W07739 - S0005 W07740 - S0001
W07755 - N0003 W07752
FCST VA CLD +18HR: 04/1630Z SFC/FL140 N0002
W07752 - S0004 W07739 - S0005 W07739 - S0002
W07755 - N0002 W07752
RMK: VA EMS VSBL IN WEBCAM BUT NOT OBSD IN STLT
IMG DUE TO MET CLDS. LTLCG IN FCST THRU T+18 HRS.
MVMT AND HGT BASED ON WEBCAM OBS AND NWP MDLS.
...BERTALAN
NXT ADVISORY: WILL BE ISSUED BY 20260804/0500Z
VA ADVISORY
DTG: 20260803/2240Z
VAAC: DARWIN
VOLCANO: DUKONO 268010
PSN: N0142 E12754
AREA: INDONESIA
SOURCE ELEV: 1229M AMSL
ADVISORY NR: 2026/581
INFO SOURCE: HIMAWARI-9
ERUPTION DETAILS: VA TO FL070 EXT NE
OBS VA DTG: 03/2210Z
OBS VA CLD: SFC/FL070 N0140 E12748 - N0216 E12755 - N0239
E12806 - N0222 E12834 - N0203 E12824 - N0136 E12757 MOV NE
05KT
FCST VA CLD +6 HR: 04/0410Z SFC/FL070 N0139 E12748 - N0227
E12751 - N0306 E12812 - N0242 E12911 - N0155 E12853 - N0135
E12755
FCST VA CLD +12 HR: 04/1010Z SFC/FL070 N0140 E12749 - N0234
E12750 - N0305 E12813 - N0241 E12911 - N0157 E12856 - N0136
E12756
FCST VA CLD +18 HR: 04/1610Z SFC/FL070 N0139 E12750 - N0231
E12751 - N0306 E12813 - N0241 E12912 - N0157 E12856 - N0135
E12756
RMK: CONTINUOUS VA EMISSION IDENTIFIABLE ON SATELLITE
IMAGERY EXTENDING NE. VA HEIGHT AND FORECAST BASED ON
SATELLITE IMAGERY AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260804/0440Z=
VA ADVISORY
DTG: 20260803/2100Z
VAAC: BUENOS AIRES
VOLCANO: SABANCAYA 354006
PSN: S1547 W07150
AREA: PERU
SUMMIT ELEV: 19576 FT [5967 M]
ADVISORY NR: 2026/480
INFO SOURCE: GOES-E. GFS. WEBCAM.
AVIATION COLOUR CODE: NOT GIVEN
ERUPTION DETAILS: PUFF EMISSION
OBS VA DTG: 03/2030Z
OBS VA CLD: SFC/FL240 S1541 W07153 - S1541 W07150
- S1546 W07151 - S1541 W07153 MOV N 15KT
FCST VA CLD +6 HR: 04/0230Z SFC/FL240 S1507 W07146
- S1512 W07137 - S1547 W07151 - S1511 W07156 -
S1507 W07146
FCST VA CLD +12 HR: 04/0830Z SFC/FL240 S1505
W07140 - S1513 W07129 - S1547 W07150 - S1508
W07152 - S1505 W07140
FCST VA CLD +18 HR: 04/1430Z SFC/FL240 S1502
W07135 - S1503 W07117 - S1519 W07111 - S1547
W07150 - S1502 W07135
RMK: VA PULSE DETECTED IN SATELLITE IMAGERY MOV
N. WEBCAM SHOWS ISOLATED PUFF EMS TIL FL240...SMN
NXT ADVISORY: WILL BE ISSUED BY 20260804/0300Z=
VA ADVISORY
DTG: 20260803/2040Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SOURCE ELEV: 1325M AMSL
ADVISORY NR: 2026/873
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL070 OBS FM GND AT 03/1359Z MOV NE
EST VA DTG: 03/2020Z
EST VA CLD: SFC/FL070 N0125 E12738 - N0129 E12733 - N0150
E12743 - N0143 E12757 - N0130 E12759 MOV NE 10KT
FCST VA CLD +6 HR: 04/0220Z SFC/FL070 N0125 E12738 - N0129
E12733 - N0151 E12737 - N0148 E12750 - N0138 E12758
FCST VA CLD +12 HR: 04/0820Z SFC/FL070 N0125 E12738 - N0129
E12733 - N0150 E12737 - N0145 E12753 - N0132 E12759
FCST VA CLD +18 HR: 04/1420Z SFC/FL070 N0125 E12738 - N0129
E12733 - N0149 E12746 - N0143 E12758 - N0130 E12801
RMK: VA EMISSIONS NOT DISCERNIBLE ON LATEST SATELLITE
IMAGERY. GROUND REPORTS INDICATE ONGOING DISCRETE ERUPTIONS.
VA HEIGHT AND FCST BASED ON SATELLITE IMAGERY, GROUND
REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260804/0240Z=
VA ADVISORY
DTG: 20260803/1936Z
VAAC: WELLINGTON
VOLCANO: AMBAE 257030
PSN: S1523 E16750
AREA: VANUATU
SOURCE ELEV: 1496M AMSL
ADVISORY NR: 2026/291
INFO SOURCE: H9 SATELLITE IMAGERY
ERUPTION DETAILS: ERUPTION AT 20260803/1401Z INTERMITTENT
ERUPTION
OBS VA DTG: 03/1936Z
OBS VA CLD: SFC/FL150 S1524 E16741 - S1510 E16748 - S1509
E16915 - S1543 E16906 MOV SE 25KT
FCST VA CLD +6 HR: 04/0136Z SFC/FL150 S1530 E16731 - S1503
E16750 - S1546 E16953 - S1631 E16934
FCST VA CLD +12 HR: 04/0736Z SFC/FL150 S1503 E16753 - S1556
E17046 - S1656 E17021 - S1529 E16729
FCST VA CLD +18 HR: 04/1336Z NO VA EXP
RMK: ASH OBSERVABLE ON H9 IMAGERY. MET CLOUD OBSCURING
VOLCANO AND ASH EMISSIONS ARE INTERMITTENT. MOVEMENT BASED
ON SATELLITE IMAGERY AND EC MODEL GUIDANCE. ASH HEIGHT FROM
MODEL SOUNDING.
NXT ADVISORY: NO LATER THAN 20260804/0136Z=
