** BUREAU of METEOROLOGY - Sydney **
** INTERNATIONAL SIGMETS ** 16:51 UTC, 21/12/2025
--------------------------------------------------------------------
KZAK SIGMET YANKEE 1 VALID 211630/212030 PHFO-
OAKLAND OCEANIC FIR EMBD TS OBS AT 1630Z WI N0715 E15215 - N0645
E15800 - N0315 E15530 - N0245 E15045 - N0715 E15215. TOP FL570. MOV W
5KT. INTSF.
NZZO SIGMET 17 VALID 211553/211953 NZKL-
NZZO AUCKLAND OCEANIC FIR EMBD TS OBS WI S1430 W17410 - S1410 W17020
- S1830 W16700 - S1920 W16920 - S1430 W17410 TOP FL510 STNR NC=
AYPM SIGMET 9 VALID 211543/211943 AYPY-
AYPM PORT MORESBY FIR EMBD TS OBS WI S0756 E14100 - S0450 E14100 -
S0525 E14927 - S0735 E14941 - S0756 E14100 TOP FL550 MOV NE 10KT NC=
VAWR6355 WAAF 12211510
[ASHTAM 6355
A]WAAF
B]12211417
C]IBU 268030
D]N0129E12738
E]ORANGE ALERT
F]SFC/FL070 N0128 E12737 - N0131 E12737 - N0135
E12759 - N0120 E12758 - N0128 E12737
G]MOV E 10KT
H]NIL
I]NIL
J]CVGHM, HIMAWARI-9
K]VA TO FL070 LAST REPORTED AT 21/1240Z MOV E
FCST VA CLD +6 HR: 21/2110Z SFC/FL070 N0128 E12737 - N0131
E12737 - N0132 E12759 - N0118 E12756 - N0128 E12737
FCST VA CLD +12 HR: 22/0310Z SFC/FL070 N0128 E12737 - N0131
E12737 - N0132 E12759 - N0118 E12756 - N0128 E12737
FCST VA CLD +18 HR: 22/0910Z SFC/FL070 N0128 E12737 - N0131
E12737 - N0132 E12759 - N0118 E12756 - N0128 E12737
RMK: VA IDENTIFIABLE ON RECENT SATELLITE IMAGERY. VA HEIGHT
AND MOVEMENT BASED ON H9 SATELLITE IMAGERY, GROUND REPORTS
AND MODEL GUIDANCE.]
VA ADVISORY
DTG: 20251221/1530Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SOURCE ELEV: 1325M AMSL
ADVISORY NR: 2025/1425
INFO SOURCE: CVGHM, HIMAWARI-9
ERUPTION DETAILS: VA TO FL070 LAST REPORTED AT 21/1240Z MOV
E
EST VA DTG: 21/1510Z
EST VA CLD: SFC/FL070 N0128 E12737 - N0131 E12737 - N0135
E12759 - N0120 E12758 MOV E 10KT
FCST VA CLD +6 HR: 21/2110Z SFC/FL070 N0128 E12737 - N0131
E12737 - N0132 E12759 - N0118 E12756
FCST VA CLD +12 HR: 22/0310Z SFC/FL070 N0128 E12737 - N0131
E12737 - N0132 E12759 - N0118 E12756
FCST VA CLD +18 HR: 22/0910Z SFC/FL070 N0128 E12737 - N0131
E12737 - N0132 E12759 - N0118 E12756
RMK: VA IDENTIFIABLE ON RECENT SATELLITE IMAGERY. VA HEIGHT
AND MOVEMENT BASED ON H9 SATELLITE IMAGERY, GROUND REPORTS
AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20251221/2130Z=
KZAK SIGMET XRAY 1 VALID 211440/211840 PHFO-
OAKLAND OCEANIC FIR EMBD TS OBS AT 1440Z WI N0730 W16730 - N0715
W15900 - N0345 W15830 - N0345 W16715 - N0730 W16730. TOP FL570. STNR.
INTSF.
KZAK SIGMET WHISKEY 2 VALID 211425/211825 PHFO-
OAKLAND OCEANIC FIR EMBD TS OBS AT 1425Z WI N2430 W17445 - N2415
W16515 - N1730 W16815 - N1830 W17915 - N2430 W17445. TOP FL480. MOV
NE 10KT. NC.
NZZO SIGMET 14 VALID 211428/211828 NZKL-
NZZO AUCKLAND OCEANIC FIR SEV TURB FCST WI S5030 E16300 - S4720
E16710 - S4810 E16820 - S4500 E17220 - S4840 E16840 - S5230 E16300 -
S5030 E16300 FL250/380 MOV E 20KT NC=
KZAK SIGMET UNIFORM 9 VALID 211425/211825 PHFO-
OAKLAND OCEANIC FIR EMBD TS OBS AT 1425Z WI N3000 E17315 - N2930
W17745 - N2430 W17830 - N2115 E17330 - N3000 E17315. TOP FL410. MOV N
15KT. INTSF.
SIGPAW
KZAK SIGMET WHISKEY 2 VALID 211425/211825 PHFO-
OAKLAND OCEANIC FIR EMBD TS OBS AT 1425Z WI N2430 W17445 - N2415
W16515 - N1730 W16815 - N1830 W17915 - N2430 W17445. TOP FL480. MOV
NE 10KT. NC.
SIGPAU
KZAK SIGMET UNIFORM 9 VALID 211425/211825 PHFO-
OAKLAND OCEANIC FIR EMBD TS OBS AT 1425Z WI N3000 E17315 - N2930
W17745 - N2430 W17830 - N2115 E17330 - N3000 E17315. TOP FL410. MOV N
15KT. INTSF.
NZZC SIGMET 4 VALID 211425/211825 NZKL-
NZZC NEW ZEALAND FIR SEV TURB FCST WI S4720 E16710 - S3530 E17800 -
S3730 E17830 - S4300 E17450 - S4810 E16820 - S4720 E16710 FL250/390
MOV NE 30KT NC=
NFFF SIGMET 04 VALID 211445/211845 NFFN-
NFFF NADI FIR EMBD TS OBS WI S1300 E17542 - S1042 E17624 - S1242
W17836 - S1542 E17900 - S1300 E17542 TOP FL520 STNR NC=
RJJJ SIGMET F05 VALID 211348/211748 RJTD-
RJJJ FUKUOKA FIR SEV TURB FCST WI N3240 E13909 - N3649 E13900 - N4036
E14833 - N3541 E14811 - N3240 E13909 FL260/340 MOV ENE 20KT NC=
VAWR6354 WAAF 12211240
[ASHTAM 6354
A]WAAF
B]12211240
C]DUKONO 268010
D]N0142E12754
E]ORANGE ALERT
F]SFC/FL070 N0142 E12752 - N0145 E12754 - N0141
E12826 - N0120 E12816 - N0142 E12752
G]MOV SE 10KT
H]NIL
I]NIL
J]HIMAWARI-9
K]VA TO FL070 LAST OBS AT 21/0230Z EXT E
FCST VA CLD +6 HR: 21/1840Z SFC/FL070 N0142 E12752 - N0145
E12754 - N0141 E12826 - N0120 E12816 - N0142 E12752
FCST VA CLD +12 HR: 22/0040Z SFC/FL070 N0142 E12752 - N0146
E12754 - N0136 E12823 - N0119 E12810 - N0142 E12752
FCST VA CLD +18 HR: 22/0640Z SFC/FL070 N0142 E12752 - N0145
E12754 - N0136 E12823 - N0118 E12811 - N0142 E12752
RMK: VA NOT IDENTIFIABLE ON LATEST SAT IMAGERY. HOWEVER
EMISSION IS EXPECTED TO BE ONGOING. VA HEIGHT AND FORECAST
BASED ON SAT IMAGERY AND MODEL GUIDANCE.]
VA ADVISORY
DTG: 20251221/1300Z
VAAC: DARWIN
VOLCANO: DUKONO 268010
PSN: N0142 E12754
AREA: INDONESIA
SOURCE ELEV: 1229M AMSL
ADVISORY NR: 2025/1069
INFO SOURCE: HIMAWARI-9
ERUPTION DETAILS: VA TO FL070 LAST OBS AT 21/0230Z EXT E
OBS VA DTG: 21/1240Z
OBS VA CLD: SFC/FL070 N0142 E12752 - N0145 E12754 - N0141
E12826 - N0120 E12816 MOV SE 10KT
FCST VA CLD +6 HR: 21/1840Z SFC/FL070 N0142 E12752 - N0145
E12754 - N0141 E12826 - N0120 E12816
FCST VA CLD +12 HR: 22/0040Z SFC/FL070 N0142 E12752 - N0146
E12754 - N0136 E12823 - N0119 E12810
FCST VA CLD +18 HR: 22/0640Z SFC/FL070 N0142 E12752 - N0145
E12754 - N0136 E12823 - N0118 E12811
RMK: VA NOT IDENTIFIABLE ON LATEST SAT IMAGERY. HOWEVER
EMISSION IS EXPECTED TO BE ONGOING. VA HEIGHT AND FORECAST
BASED ON SAT IMAGERY AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20251221/1900Z=
VAWR6353 WAAF 12211050
[ASHTAM 6353
A]WAAF
B]12210925
C]SEMERU 263300
D]S0806E11255
E]ORANGE ALERT
F]SFC/FL150 S0811 E11254 - S0806 E11250 - S0740
E11259 - S0745 E11312 - S0757 E11316 - S0811 E11254
G]MOV NE 10KT
H]NIL
I]NIL
J]CVGHM, HIMAWARI-9
K]VA TO FL150 LAST REPORTED 21/0815Z
FCST VA CLD +6 HR: 21/1650Z SFC/FL150 S0810 E11254 - S0806
E11250 - S0740 E11259 - S0744 E11312 - S0757 E11316 - S0810
E11254FCST VA CLD +12 HR: 21/2250Z SFC/FL150 S0811 E11254 - S0806
E11250 - S0741 E11259 - S0745 E11312 - S0757 E11316 - S0811
E11254FCST VA CLD +18 HR: 22/0450Z SFC/FL150 S0810 E11254 - S0806
E11250 - S0741 E11259 - S0745 E11312 - S0757 E11316 - S0810
E11254RMK: VA NOT IDENTIFIABLE ON LATEST SATELLITE IMAGERY DUE TO
MET CLOUD. RECENT GROUND REPORTS INDICATE INTERMITTENT
DISCRETE EMISSIONS ARE ONGOING. VA HEIGHT AND MOVEMENT BASED
ON GROUND REPORTS AND MODEL GUIDANCE.]
VA ADVISORY
DTG: 20251221/1110Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2025/1455
INFO SOURCE: CVGHM, HIMAWARI-9
ERUPTION DETAILS: VA TO FL150 LAST REPORTED 21/0815Z
EST VA DTG: 21/1050Z
EST VA CLD: SFC/FL150 S0811 E11254 - S0806 E11250 - S0740
E11259 - S0745 E11312 - S0757 E11316 MOV NE 10KT
FCST VA CLD +6 HR: 21/1650Z SFC/FL150 S0810 E11254 - S0806
E11250 - S0740 E11259 - S0744 E11312 - S0757 E11316
FCST VA CLD +12 HR: 21/2250Z SFC/FL150 S0811 E11254 - S0806
E11250 - S0741 E11259 - S0745 E11312 - S0757 E11316
FCST VA CLD +18 HR: 22/0450Z SFC/FL150 S0810 E11254 - S0806
E11250 - S0741 E11259 - S0745 E11312 - S0757 E11316
RMK: VA NOT IDENTIFIABLE ON LATEST SATELLITE IMAGERY DUE TO
MET CLOUD. RECENT GROUND REPORTS INDICATE INTERMITTENT
DISCRETE EMISSIONS ARE ONGOING. VA HEIGHT AND MOVEMENT BASED
ON GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20251221/1710Z=
VAWR6352 WAAF 12210910
[ASHTAM 6352
A]WAAF
B]12210910
C]IBU 268030
D]N0129E12738
E]ORANGE ALERT
F]SFC/FL070 N0128 E12737 - N0131 E12737 - N0135
E12759 - N0120 E12758 - N0128 E12737
G]MOV E 10KT
H]NIL
I]NIL
J]CVGHM, HIMAWARI-9
K]VA TO FL070 LAST OBS AT 21/0030Z MOV E
FCST VA CLD +6 HR: 21/1510Z SFC/FL070 N0128 E12737 - N0131
E12737 - N0135 E12759 - N0120 E12758 - N0128 E12737
FCST VA CLD +12 HR: 21/2110Z SFC/FL070 N0128 E12737 - N0131
E12737 - N0132 E12759 - N0118 E12756 - N0128 E12737
FCST VA CLD +18 HR: 22/0310Z SFC/FL070 N0128 E12737 - N0131
E12737 - N0132 E12759 - N0118 E12756 - N0128 E12737
RMK: VA IDENTIFIABLE ON RECENT SATELLITE IMAGERY. VA HEIGHT
AND MOVEMENT BASED ON H9 SATELLITE IMAGERY, GROUND REPORTS
AND MODEL GUIDANCE.]
VAAAK1
VA ADVISORY
DTG: 20251221/0938Z
VAAC: ANCHORAGE
VOLCANO: KATMAI 312170
PSN: N5817 W15458
AREA: ALASKA PENINSULA
SOURCE ELEV: 6716 FT AMSL
ADVISORY NR: 2025/063
INFO SOURCE: GOES
ERUPTION DETAILS: RESUSPENDED VA.
OBS VA DTG: 21/0938Z
OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA
FCST VA CLD +6HR: NO VA EXP
FCST VA CLD +12HR: NO VA EXP
FCST VA CLD +18HR: NO VA EXP
RMK: RESUSPENDED VA HAS DISSIPATED....NS
NXT ADVISORY: NO FURTHER ADVISORIES=
VA ADVISORY
DTG: 20251221/0930Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SOURCE ELEV: 1325M AMSL
ADVISORY NR: 2025/1424
INFO SOURCE: CVGHM, HIMAWARI-9
ERUPTION DETAILS: VA TO FL070 LAST OBS AT 21/0030Z MOV E
EST VA DTG: 21/0910Z
EST VA CLD: SFC/FL070 N0128 E12737 - N0131 E12737 - N0135
E12759 - N0120 E12758 MOV E 10KT
FCST VA CLD +6 HR: 21/1510Z SFC/FL070 N0128 E12737 - N0131
E12737 - N0135 E12759 - N0120 E12758
FCST VA CLD +12 HR: 21/2110Z SFC/FL070 N0128 E12737 - N0131
E12737 - N0132 E12759 - N0118 E12756
FCST VA CLD +18 HR: 22/0310Z SFC/FL070 N0128 E12737 - N0131
E12737 - N0132 E12759 - N0118 E12756
RMK: VA IDENTIFIABLE ON RECENT SATELLITE IMAGERY. VA HEIGHT
AND MOVEMENT BASED ON H9 SATELLITE IMAGERY, GROUND REPORTS
AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20251221/1530Z=
VAWR6351 WAAF 12210640
[ASHTAM 6351
A]WAAF
B]12210640
C]DUKONO 268010
D]N0142E12754
E]ORANGE ALERT
F]SFC/FL070 N0141 E12751 - N0145 E12751 - N0153
E12822 - N0142 E12831 - N0130 E12822 - N0141 E12751
G]MOV E 10KT
H]NIL
I]NIL
J]HIMAWARI-9
K]VA TO FL070 OBS AT 21/0230Z, EXT E
FCST VA CLD +6 HR: 21/1240Z SFC/FL070 N0146 E12753 - N0151
E12818 - N0140 E12831 - N0128 E12828 - N0124 E12805 - N0141
E12749 - N0146 E12753
FCST VA CLD +12 HR: 21/1840Z SFC/FL070 N0146 E12753 - N0149
E12806 - N0142 E12826 - N0124 E12827 - N0121 E12805 - N0142
E12749 - N0146 E12753
FCST VA CLD +18 HR: 22/0040Z SFC/FL070 N0149 E12753 - N0141
E12814 - N0129 E12818 - N0119 E12806 - N0141 E12745 - N0149
E12753RMK: VA NOT IDENTIFIABLE ON LATEST SAT IMAGERY. HOWEVER
EMISSION IS EXPECTED TO BE ONGOING. VA HEIGHT AND FORECAST
BASED ON SAT IMAGERY AND MODEL GUIDANCE.]
VA ADVISORY
DTG: 20251221/0700Z
VAAC: DARWIN
VOLCANO: DUKONO 268010
PSN: N0142 E12754
AREA: INDONESIA
SOURCE ELEV: 1229M AMSL
ADVISORY NR: 2025/1068
INFO SOURCE: HIMAWARI-9
ERUPTION DETAILS: VA TO FL070 OBS AT 21/0230Z, EXT E
OBS VA DTG: 21/0640Z
OBS VA CLD: SFC/FL070 N0141 E12751 - N0145 E12751 - N0153
E12822 - N0142 E12831 - N0130 E12822 MOV E 10KT
FCST VA CLD +6 HR: 21/1240Z SFC/FL070 N0146 E12753 - N0151
E12818 - N0140 E12831 - N0128 E12828 - N0124 E12805 - N0141
E12749
FCST VA CLD +12 HR: 21/1840Z SFC/FL070 N0146 E12753 - N0149
E12806 - N0142 E12826 - N0124 E12827 - N0121 E12805 - N0142
E12749
FCST VA CLD +18 HR: 22/0040Z SFC/FL070 N0149 E12753 - N0141
E12814 - N0129 E12818 - N0119 E12806 - N0141 E12745
RMK: VA NOT IDENTIFIABLE ON LATEST SAT IMAGERY. HOWEVER
EMISSION IS EXPECTED TO BE ONGOING. VA HEIGHT AND FORECAST
BASED ON SAT IMAGERY AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20251221/1300Z=
VA ADVISORY
DTG: 20251221/0510Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2025/1454
INFO SOURCE: CVGHM, HIMAWARI-9
ERUPTION DETAILS: VA TO FL150 LAST REPORTED 21/0321Z
EST VA DTG: 21/0440Z
EST VA CLD: SFC/FL150 S0814 E11253 - S0805 E11244 - S0751
E11244 - S0743 E11300 - S0754 E11313 - S0808 E11310 MOV NE
10KT
FCST VA CLD +6 HR: 21/1040Z SFC/FL150 S0812 E11252 - S0803
E11244 - S0741 E11247 - S0737 E11303 - S0750 E11312 - S0806
E11305
FCST VA CLD +12 HR: 21/1640Z SFC/FL150 S0812 E11253 - S0807
E11247 - S0740 E11257 - S0741 E11312 - S0755 E11316
FCST VA CLD +18 HR: 21/2240Z SFC/FL150 S0811 E11253 - S0806
E11248 - S0740 E11259 - S0741 E11313 - S0754 E11316
RMK: VA NOT IDENTIFIABLE ON LATEST SATELLITE IMAGERY DUE TO
MET CLOUD. RECENT GROUND REPORTS INDICATE INTERMITTENT
DISCRETE EMISSIONS ARE ONGOING. VA HEIGHT AND MOVEMENT BASED
ON GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20251221/1110Z=
VAAAK1
VA ADVISORY
DTG: 20251221/0335Z
VAAC: ANCHORAGE
VOLCANO: KATMAI 312170
PSN: N5817 W15458
AREA: ALASKA PENINSULA
SOURCE ELEV: 6716 FT AMSL
ADVISORY NR: 2025/062
INFO SOURCE: GOES
ERUPTION DETAILS: NO ERUPTION. RESUSPENDED VA.
OBS VA DTG: 21/0335Z
OBS VA CLD: SFC/FL060 N5831 W15440 - N5716 W15354 - N5707 W15449
- N5813 W15525 - N5831 W15440 MOV STNR
FCST VA CLD +6HR: 21/0935Z SFC/FL060 N5831 W15440 - N5710 W15350
- N5702 W15447 - N5813 W15526 - N5831 W15440 - N5831 W15440
FCST VA CLD +12HR: 21/1535Z NO VA EXP
FCST VA CLD +18HR: 21/2135Z NO VA EXP
RMK: NO ERUPTION. RESUSPENDED VA...SC
NXT ADVISORY: WILL BE ISSUED BY 20251221/0935Z=
VA ADVISORY
DTG: 20251221/0336Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SOURCE ELEV: 1325M AMSL
ADVISORY NR: 2025/1423
INFO SOURCE: CVGHM, HIMAWARI-9
ERUPTION DETAILS: VA TO FL070 OBSERVED 21/0030Z MOV E
EST VA DTG: 21/0310Z
EST VA CLD: SFC/FL070 N0127 E12736 - N0132 E12736 - N0138
E12757 - N0131 E12803 - N0123 E12758 MOV E 15KT
FCST VA CLD +6 HR: 21/0910Z SFC/FL070 N0127 E12737 - N0131
E12737 - N0139 E12758 - N0130 E12803 - N0120 E12758
FCST VA CLD +12 HR: 21/1510Z SFC/FL070 N0127 E12736 - N0131
E12736 - N0137 E12758 - N0129 E12803 - N0120 E12758
FCST VA CLD +18 HR: 21/2110Z SFC/FL070 N0129 E12734 - N0135
E12741 - N0129 E12803 - N0115 E12759 - N0114 E12747
RMK: VA IDENTIFIABLE ON RECENT SATELLITE IMAGERY. VA HEIGHT
AND MOVEMENT BASED ON H9 SATELLITE IMAGERY, GROUND REPORTS
AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20251221/0936Z=
VA ADVISORY
DTG: 20251221/0100Z
VAAC: DARWIN
VOLCANO: DUKONO 268010
PSN: N0142 E12754
AREA: INDONESIA
SOURCE ELEV: 1229M AMSL
ADVISORY NR: 2025/1067
INFO SOURCE: HIMAWARI-9
ERUPTION DETAILS: VA TO FL070 OBS AT 21/0030Z, EXT E
OBS VA DTG: 21/0030Z
OBS VA CLD: SFC/FL070 N0141 E12752 - N0144 E12752 - N0152
E12830 - N0143 E12840 - N0135 E12832 MOV E 15KT
FCST VA CLD +6 HR: 21/0630Z SFC/FL070 N0141 E12752 - N0144
E12752 - N0154 E12830 - N0143 E12840 - N0132 E12832
FCST VA CLD +12 HR: 21/1230Z SFC/FL070 N0140 E12751 - N0144
E12751 - N0153 E12830 - N0143 E12840 - N0132 E12831
FCST VA CLD +18 HR: 21/1830Z SFC/FL070 N0145 E12751 - N0149
E12806 - N0142 E12826 - N0124 E12827 - N0121 E12805 - N0140
E12750
RMK: VA IDENTIFIABLE ON LATEST SAT IMAGERY. VA HEIGHT AND
FORECAST BASED ON SAT IMAGERY AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20251221/0700Z=
VA ADVISORY
DTG: 20251220/2310Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2025/1453
INFO SOURCE: CVGHM, HIMAWARI-9, WEBCAM
ERUPTION DETAILS: VA TO FL150 LAST REPORTED 20/2230Z MOV NE
EST VA DTG: 20/2250Z
EST VA CLD: SFC/FL150 S0816 E11252 - S0806 E11243 - S0754
E11252 - S0752 E11307 - S0805 E11318 - S0816 E11306 MOV NE
05KT
FCST VA CLD +6 HR: 21/0450Z SFC/FL150 S0813 E11253 - S0805
E11244 - S0745 E11248 - S0740 E11304 - S0753 E11314 - S0806
E11310
FCST VA CLD +12 HR: 21/1050Z SFC/FL150 S0813 E11252 - S0805
E11244 - S0742 E11249 - S0737 E11304 - S0750 E11313 - S0806
E11305
FCST VA CLD +18 HR: 21/1650Z SFC/FL150 S0812 E11253 - S0807
E11247 - S0739 E11259 - S0742 E11312 - S0756 E11316
RMK: VA NOT IDENTIFIABLE ON LATEST SATELLITE IMAGERY DUE TO
MET CLOUD. RECENT GROUND REPORTS INDICATE INTERMITTENT
DISCRETE EMISSIONS ARE ONGOING. VA HEIGHT AND MOVEMENT BASED
ON HIMAWARI-9 SATELLITE IMAGERY, GROUND REPORTS AND MODEL
GUIDANCE.
NXT ADVISORY: NO LATER THAN 20251221/0510Z=
VAAAK1
VA ADVISORY
DTG: 20251220/2150Z
VAAC: ANCHORAGE
VOLCANO: KATMAI 312170
PSN: N5817 W15458
AREA: ALASKA PENINSULA
SOURCE ELEV: 6716 FT AMSL
ADVISORY NR: 2025/061
INFO SOURCE: GOES
ERUPTION DETAILS: NO ERUPTION. RESUSPENDED VA.
OBS VA DTG: 20/2150Z
OBS VA CLD: SFC/FL060 N5831 W15441 - N5715 W15354 - N5707 W15450
- N5813 W15527 - N5831 W15441 MOV STNR
FCST VA CLD +6HR: 21/0350Z SFC/FL060 N5830 W15443 - N5712 W15345
- N5702 W15444 - N5812 W15526 - N5830 W15443
FCST VA CLD +12HR: 21/0950Z SFC/FL060 N5830 W15442 - N5703
W15346 - N5654 W15446 - N5814 W15527 - N5830 W15442
FCST VA CLD +18HR: 21/1550Z SFC/FL060 N5830 W15440 - N5703
W15333 - N5644 W15442 - N5811 W15528 - N5830 W15440 - N5830 W15440
RMK: RESUSPENDED VA DUE TO NW WINDS...MB
NXT ADVISORY: WILL BE ISSUED BY 20251221/0350Z=
VA ADVISORY
DTG: 20251220/2136Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SOURCE ELEV: 1325M AMSL
ADVISORY NR: 2025/1422
INFO SOURCE: CVGHM, HIMAWARI-9
ERUPTION DETAILS: VA TO FL070 REPORTED 20/1437Z MOV E
EST VA DTG: 20/2120Z
EST VA CLD: SFC/FL070 N0127 E12736 - N0132 E12736 - N0140
E12757 - N0131 E12804 - N0121 E12759 MOV E 10KT
FCST VA CLD +6 HR: 21/0320Z SFC/FL070 N0127 E12736 - N0132
E12735 - N0141 E12756 - N0131 E12803 - N0121 E12758
FCST VA CLD +12 HR: 21/0920Z SFC/FL070 N0127 E12736 - N0132
E12736 - N0139 E12756 - N0130 E12803 - N0120 E12758
FCST VA CLD +18 HR: 21/1520Z SFC/FL070 N0127 E12735 - N0132
E12735 - N0138 E12758 - N0129 E12803 - N0120 E12758
RMK: VA NOT IDENTIFIABLE ON RECENT SATELLITE IMAGERY DUE TO
MET CLOUD AND DARKNESS. VA HEIGHT AND MOVEMENT BASED ON
GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20251221/0336Z=
VA ADVISORY
DTG: 20251220/1900Z
VAAC: DARWIN
VOLCANO: DUKONO 268010
PSN: N0142 E12754
AREA: INDONESIA
SOURCE ELEV: 1229M AMSL
ADVISORY NR: 2025/1066
INFO SOURCE: HIMAWARI-9
ERUPTION DETAILS: VA TO FL070 OBS AT 20/0220Z MOV NE
EST VA DTG: 20/1840Z
EST VA CLD: SFC/FL070 N0145 E12751 - N0157 E12813 - N0146
E12825 - N0130 E12816 - N0139 E12751 MOV E 15KT
FCST VA CLD +6 HR: 21/0040Z SFC/FL070 N0140 E12751 - N0146
E12750 - N0158 E12813 - N0147 E12824 - N0133 E12817
FCST VA CLD +12 HR: 21/0640Z SFC/FL070 N0140 E12751 - N0147
E12751 - N0152 E12817 - N0140 E12823 - N0128 E12812
FCST VA CLD +18 HR: 21/1240Z SFC/FL070 N0142 E12750 - N0148
E12753 - N0149 E12816 - N0133 E12818 - N0124 E12802
RMK: VA NOT IDENTIFIABLE ON LATEST SAT IMAGERY DUE TO MET
CLOUD, HOWEVER EMISSION IS EXPECTED TO BE ONGOING. VA HEIGHT
AND FORECAST BASED ON SAT IMAGERY AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20251221/0100Z=
VA ADVISORY
DTG: 20251220/1710Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2025/1452
INFO SOURCE: CVGHM, HIMAWARI-9, WEBCAM
ERUPTION DETAILS: VA TO FL150 LAST REPORTED AT 20/1246Z
EST VA DTG: 20/1650Z
EST VA CLD: SFC/FL150 S0808 E11251 - S0801 E11252 - S0757
E11319 - S0810 E11324 - S0821 E11315 MOV E 05KT
FCST VA CLD +6 HR: 20/2250Z SFC/FL150 S0807 E11251 - S0800
E11252 - S0746 E11312 - S0805 E11328 - S0819 E11315
FCST VA CLD +12 HR: 21/0450Z SFC/FL150 S0810 E11255 - S0806
E11249 - S0737 E11258 - S0754 E11321
FCST VA CLD +18 HR: 21/1050Z SFC/FL150 S0809 E11255 - S0805
E11250 - S0739 E11259 - S0755 E11322
RMK: VA NOT IDENTIFIABLE ON LATEST SATELLITE IMAGERY DUE TO
MET CLOUD. RECENT GROUND REPORTS INDICATE INTERMITTENT
DISCRETE EMISSIONS ARE ONGOING. VA HEIGHT AND MOVEMENT BASED
ON HIMAWARI-9 SATELLITE IMAGERY, GROUND REPORTS AND MODEL
GUIDANCE.
NXT ADVISORY: NO LATER THAN 20251220/2310Z=
