Until the outcome of the 2025 federal election, the Australian Government is operating under caretaker conventions

International SIGMET

IDV60074
** BUREAU of METEOROLOGY - Melbourne **
** INTERNATIONAL SIGMETS ** 07:01 UTC, 20/04/2025
--------------------------------------------------------------------

AYPM SIGMET 2A VALID 200633/201033 AYPY-
AYPM PORT MORESBY FIR EMBD TS OBS WI N0000 E15959 - S0327 E15959 -
S0409 E15550 - S0004 E15320 - N0000 E15959 TOP FL530 MOV WNW 10KT NC=

KZAK SIGMET PAPA 2 VALID 200550/200950 PHFO-
OAKLAND OCEANIC FIR EMBD TS OBS AT 0550Z WI N2700 E15500 - N2700
E15730 - N2530 E15645 - N2500 E15500 - N2700 E15500. TOP FL510. STNR.
NC.

RJJJ SIGMET L02 VALID 200603/201003 RJTD-
RJJJ FUKUOKA FIR SEV TURB FCST WI N3358 E13859 - N3536 E13848 - N3630
E14141 - N3502 E14151 - N3358 E13859 FL140/200 MOV E 20KT NC=

RJJJ SIGMET N02 VALID 200604/200723 RJTD-
RJJJ FUKUOKA FIR CNL SIGMET N01 200323/200723=

NZZC SIGMET 9 VALID 200552/200952 NZKL-
NZZC NEW ZEALAND FIR SEV ICE OBS AT 0546Z S4324 E17247 FL179 STNR
NC=

VA ADVISORY
DTG: 20250420/0521Z

VAAC: WASHINGTON

VOLCANO: REVENTADOR 352010
PSN: S0004 W07739

AREA: ECUADOR

SUMMIT ELEV: 11686 FT [3562 M]

ADVISORY NR: 2025/354

INFO SOURCE: GOES-19.

ERUPTION DETAILS: VA EMS ENDED

OBS VA DTG: 20/0500Z

OBS VA CLD: VA NOT IDENTIFIABLE FM STLT DATA

FCST VA CLD +6HR: 20/1100Z NO VA EXP

FCST VA CLD +12HR: 20/1700Z NO VA EXP

FCST VA CLD +18HR: 20/2300Z NO VA EXP

RMK: VA NOT DETECTED ON VARIOUS STLT PRODUCTS. WX
CLDS CVR MUCH OF SUMMIT AREA. NEW VA EMS LIKELY
AT ANY TIME, ...KONON

NXT ADVISORY: NO FURTHER ADVISORIES

VA ADVISORY
DTG: 20250420/0444Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/380
INFO SOURCE: GOES-19.
ERUPTION DETAILS: VA EMS ENDED
OBS VA DTG: 20/0420Z
OBS VA CLD: VA NOT IDENTIFIABLE FM STLT DATA
FCST VA CLD +6HR: 20/1030Z NO VA EXP
FCST VA CLD +12HR: 20/1630Z NO VA EXP
FCST VA CLD +18HR: 20/2230Z NO VA EXP
RMK: VA NOT DETECTED ON VARIOUS STLT PRODUCTS. WX
CLDS CVR SUMMIT AREA CURRENTLY. NEW VA EMS LIKELY
AT ANY TIME. ...KONON
NXT ADVISORY: NO FURTHER ADVISORIES

VAWR2822 WAAF 04200400
[ASHTAM 2822
A]WAAF
B]04200400
C]DUKONO 268010
D]N0142E12754
E]ORANGE ALERT
F]SFC/FL070 N0139 E12758 - N0139 E12750 - N0221
E12747 - N0214 E12822 - N0139 E12758
G]MOV N 10KT
H]NIL
I]NIL
J]CVGHM, HIMAWARI-9
K]VA TO FL070 LAST REPORTED AT 19/2105Z
FCST VA CLD +6 HR: 20/1000Z SFC/FL070 N0139 E12758 - N0139
E12750 - N0214 E12728 - N0220 E12802 - N0205 E12831 - N0139
E12758FCST VA CLD +12 HR: 20/1600Z SFC/FL070 N0131 E12802 - N0129
E12750 - N0152 E12717 - N0212 E12746 - N0204 E12821 - N0131
E12802 FCST VA CLD +18 HR: 20/2200Z SFC/FL070 N0139 E12759 - N0136
E12751 - N0157 E12712 - N0221 E12802 - N0139 E12759
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET
CLOUD, HOWEVER CVGHM REPORTED ONGOING VA ERUPTION 1000M
ABOVE THE SUMMIT AT 19/2105Z. HEIGHT AND MOVEMENT BASED ON
GROUND REPORT AND MODEL GUIDANCE. ]

VA ADVISORY
DTG: 20250420/0425Z
VAAC: DARWIN
VOLCANO: DUKONO 268010
PSN: N0142 E12754
AREA: INDONESIA
SUMMIT ELEV: 1229M
ADVISORY NR: 2025/369
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA TO FL070 LAST REPORTED AT 19/2105Z
EST VA DTG: 20/0400Z
EST VA CLD: SFC/FL070 N0139 E12758 - N0139 E12750 - N0221
E12747 - N0214 E12822 MOV N 10KT
FCST VA CLD +6 HR: 20/1000Z SFC/FL070 N0139 E12758 - N0139
E12750 - N0214 E12728 - N0220 E12802 - N0205 E12831
FCST VA CLD +12 HR: 20/1600Z SFC/FL070 N0131 E12802 - N0129
E12750 - N0152 E12717 - N0212 E12746 - N0204 E12821
FCST VA CLD +18 HR: 20/2200Z SFC/FL070 N0139 E12759 - N0136
E12751 - N0157 E12712 - N0221 E12802
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET
CLOUD, HOWEVER CVGHM REPORTED ONGOING VA ERUPTION 1000M
ABOVE THE SUMMIT AT 19/2105Z. HEIGHT AND MOVEMENT BASED ON
GROUND REPORT AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250420/1025Z=

VAWR2821 WAAF 04200340
[ASHTAM 2821
A]WAAF
B]04200101
C]IBU 268030
D]N0129E12738
E]ORANGE ALERT
F]FC/FL070 N0127 E12741 - N0127 E12734 - N0201
E12734 - N0154 E12801 - N0127 E12741
G]MOV N 10KT
H]NIL
I]NIL
J]CVGHM, HIMAWARI-9
K]VA ERUPTION LAST REPORTED AT 20/0101Z
FCST VA CLD +6 HR: 20/0940Z SFC/FL070 N0127 E12741 - N0127
E12734 - N0200 E12725 - N0153 E12806 - N0127 E12741
FCST VA CLD +12 HR: 20/1540Z SFC/FL070 N0127 E12741 - N0127
E12734 - N0145 E12703 - N0201 E12731 - N0154 E12801 - N0127 E12741
FCST VA CLD +18 HR: 20/2140Z SFC/FL070 N0127 E12741 - N0127
E12734 - N0145 E12703 - N0202 E12746 - N0127 E12741
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET
CLOUD, HOWEVER RECENT GROUND REPORTS INDICATE INTERMITTENT
DISCRETE ERUPTIONS ARE ONGOING. HEIGHT AND MOVEMENT BASED ON
GROUND REPORTS AND MODEL GUIDANCE. ]

NZZC SIGMET 8 VALID 200401/200801 NZKL-
NZZC NEW ZEALAND FIR SEV ICE FCST WI S3710 E17420 - S3700 E17430 -
S3840 E17500 - S4000 E17420 - S4020 E17340 - S3850 E17430 - S3710
E17420 FL120/260 MOV SSE 20KT NC=

VA ADVISORY
DTG: 20250420/0400Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SUMMIT ELEV: 1325M
ADVISORY NR: 2025/447
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA ERUPTION LAST REPORTED AT 20/0101Z
EST VA DTG: 20/0340Z
EST VA CLD: SFC/FL070 N0127 E12741 - N0127 E12734 - N0201
E12734 - N0154 E12801 MOV N 10KT
FCST VA CLD +6 HR: 20/0940Z SFC/FL070 N0127 E12741 - N0127
E12734 - N0200 E12725 - N0153 E12806
FCST VA CLD +12 HR: 20/1540Z SFC/FL070 N0127 E12741 - N0127
E12734 - N0145 E12703 - N0201 E12731 - N0154 E12801
FCST VA CLD +18 HR: 20/2140Z SFC/FL070 N0127 E12741 - N0127
E12734 - N0145 E12703 - N0202 E12746
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET
CLOUD, HOWEVER RECENT GROUND REPORTS INDICATE INTERMITTENT
DISCRETE ERUPTIONS ARE ONGOING. HEIGHT AND MOVEMENT BASED ON
GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250420/1000Z=

NZZC SIGMET 6 VALID 200329/200729 NZKL-
NZZC NEW ZEALAND FIR SEV ICE FCST WI S4110 E17220 - S3900 E17240 -
S4020 E17340 - S4220 E17330 - S4320 E17400 - S4410 E17200 - S4240
E17020 - S4110 E17220 FL110/230 MOV SE 20KT NC=

RJJJ SIGMET N01 VALID 200323/200723 RJTD-
RJJJ FUKUOKA FIR SEV TURB FCST WI N3030 E13025 - N3257 E12829 - N3512
E13305 - N3242 E13447 - N3030 E13025 FL320/370 MOV E 20KT INTSF=

VAWR2820 WAAF 04200150
[ASHTAM 2820
A]WAAF
B]04200042
C]LEWOTOBI 264180
D]S0833E12246
E]ORANGE ALERT
F]SFC/FL080 S0837 E12246 - S0833 E12241 - S0737
E12325 - S0739 E12359 - S0812 E12353 - S0837 E12246
G]MOV NE 10KT
H]W37
I]NIL
J]HIMAWARI-9, CVGHM
K]VA TO FL080 OBS AT 20/0150Z MOV NE
FCST VA CLD +6 HR: 20/0750Z SFC/FL080 S0837 E12246 - S0833
E12241 - S0731 E12301 - S0724 E12336 - S0806 E12335 - S0837
E12246FCST VA CLD +12 HR: 20/1350Z SFC/FL080 S0836 E12249 - S0836
E12242 - S0731 E12244 - S0718 E12308 - S0741 E12322 - S0836
E12249FCST VA CLD +18 HR: 20/1950Z SFC/FL080 S0836 E12249 - S0836
E12243 - S0746 E12202 - S0718 E12225 - S0746 E12304 - S0836
E12249 RMK: INTERMITTENT DISCRETE VA EMISSIONS IDENTIFIABLE ON
LATEST SATELLITE IMAGERY. CVGHM VONAS RECENTLY REPORTED
MULTIPLE VA EMISSIONS 300-800M ABOVE THE SUMMIT. HEIGHT AND
FORECAST BASED ON SATELLITE IMAGERY, GROUND REPORTS AND
MODEL GUIDANCE. ]

VA ADVISORY
DTG: 20250420/0208Z
VAAC: TOKYO
VOLCANO: KANLAON 272020
PSN: N1025 E12308
AREA: PHILIPPINES
SUMMIT ELEV: 2435M
ADVISORY NR: 2025/122
INFO SOURCE: HIMAWARI-9 PHIVOLCS
AVIATION COLOUR CODE: NIL
ERUPTION DETAILS: ERUPTION AT 20250420/0147Z FL090 EXTD SW REPORTED
OBS VA DTG: 20/0140Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL090 100/15KT
FCST VA CLD +6 HR: NOT AVBL
FCST VA CLD +12 HR: NOT AVBL
FCST VA CLD +18 HR: NOT AVBL
RMK: WE WILL ISSUE FURTHER ADVISORY IF VA IS DETECTED IN SATELLITE
IMAGERY.
NXT ADVISORY: NO FURTHER ADVISORIES=

VA ADVISORY
DTG: 20250420/0202Z
VAAC: WASHINGTON
VOLCANO: SANGAY 352090
PSN: S0200 W07820
AREA: ECUADOR
SUMMIT ELEV: 17342 FT [5286 M]
ADVISORY NR: 2025/150
INFO SOURCE: GOES-18. WEBCAM. NWP MODELS. VOLCAT.
ERUPTION DETAILS: CONT LGT VA EMS OBS
OBS VA DTG: 20/0130Z
OBS VA CLD: SFC/FL200 S0156 W07840 - S0200 W07820
- S0203 W07840 - S0156 W07840 MOV W 10KT
FCST VA CLD +6HR: 20/0730Z SFC/FL200 S0156 W07840
- S0200 W07820 - S0205 W07840 - S0156 W07840
FCST VA CLD +12HR: 20/1330Z NO VA EXP
FCST VA CLD +18HR: 20/1930Z NO VA EXP
RMK: CONT LGT VA EMS OBS MOV W IN STLT IMAGERY.
VA FCST TO CONT W MOV THRU T+6HRS BEFORE DISP. VO
ACT LOW. ...FISHER
NXT ADVISORY: WILL BE ISSUED BY 20250420/0800Z

VA ADVISORY
DTG: 20250420/0210Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/274
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA TO FL080 OBS AT 20/0150Z MOV NE
OBS VA DTG: 20/0150Z
OBS VA CLD: SFC/FL080 S0837 E12246 - S0833 E12241 - S0737
E12325 - S0739 E12359 - S0812 E12353 MOV NE 10KT
FCST VA CLD +6 HR: 20/0750Z SFC/FL080 S0837 E12246 - S0833
E12241 - S0731 E12301 - S0724 E12336 - S0806 E12335
FCST VA CLD +12 HR: 20/1350Z SFC/FL080 S0836 E12249 - S0836
E12242 - S0731 E12244 - S0718 E12308 - S0741 E12322
FCST VA CLD +18 HR: 20/1950Z SFC/FL080 S0836 E12249 - S0836
E12243 - S0746 E12202 - S0718 E12225 - S0746 E12304
RMK: INTERMITTENT DISCRETE VA EMISSIONS IDENTIFIABLE ON
LATEST SATELLITE IMAGERY. CVGHM VONAS RECENTLY REPORTED
MULTIPLE VA EMISSIONS 300-800M ABOVE THE SUMMIT. HEIGHT AND
FORECAST BASED ON SATELLITE IMAGERY, GROUND REPORTS AND
MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250420/0810Z=

VAWR2819 WAAF 04200100 COR
[ASHTAM 2819
A]WAAF
B]04192359
C]SEMERU 263300
D]S0806E11255
E]ORANGE ALERT
F]SFC/FL150 S0806 E11250 - S0738 E11311 - S0756
E11326 - S0811 E11255 - S0806 E11250
G]MOV NE 10KT
H]NIL
I]NIL
J]CVGHM, HIMAWARI-9
K]VA TO FL150 LAST REPORTED AT 19/2359Z MOV NE
FCST VA CLD +6 HR: 20/0700Z SFC/FL150 S0807 E11250 - S0737
E11307 - S0755 E11325 - S0811 E11255 - S0807 E11250
FCST VA CLD +12 HR: 20/1300Z SFC/FL150 S0806 E11250 - S0735
E11303 - S0750 E11322 - S0811 E11255 - S0806 E11250
FCST VA CLD +18 HR: 20/1900Z SFC/FL150 S0807 E11250 - S0734
E11256 - S0746 E11319 - S0811 E11255 - S0807 E11250
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET
CLOUD, HOWEVER RECENT GROUND REPORTS INDICATE INTERMITTENT
DISCRETE ERUPTIONS ARE ONGOING. HEIGHT AND MOVEMENT BASED ON
GROUND REPORTS AND MODEL GUIDANCE. ]

SVC DISREGRAD OUR ASHTAM MSG DTG 200129 WRRRYNYX
VAWR2819 WAAF 04200100
[ASHTAM 2819
A]WAAF
B]04192359
C]SEMERU 263300
D]S0806E11255
E]ORANGE ALERT
F]SFC/FL150 S0806 E11250 - S0738 E11311 - S0756
E11326 - S0811 E11255 - S0806 E11250
G]MOV NE 10KT
H]NIL
I]NIL
J]CVGHM, HIMAWARI-9
K]VA TO FL150 LAST REPORTED AT 19/2359Z MOV NE
FCST VA CLD +12 HR: 20/1300Z SFC/FL150 S0806 E11250 - S0735
E11303 - S0750 E11322 - S0811 E11255 - S0806 E11250
FCST VA CLD +18 HR: 20/1900Z SFC/FL150 S0807 E11250 - S0734
E11256 - S0746 E11319 - S0811 E11255 - S0807 E11250
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET
CLOUD, HOWEVER RECENT GROUND REPORTS INDICATE INTERMITTENT
DISCRETE ERUPTIONS ARE ONGOING. HEIGHT AND MOVEMENT BASED ON
GROUND REPORTS AND MODEL GUIDANCE. ]

VAWR2819 WAAF 04200100
[ASHTAM 2819
A]WAAF
B]04192359
C]SEMERU 263300
D]S0806E11255
E]ORANGE ALERT
F]SFC/FL150 S0806 E11250 - S0738 E11311 - S0756
E11326 - S0811 E11255 - S0806 E11250
G]MOV NE 10KT
H]NIL
I]NIL
J]CVGHM, HIMAWARI-9
K]VA TO FL150 LAST REPORTED AT 19/2359Z MOV NE
FCST VA CLD +12 HR: 20/1300Z SFC/FL150 S0806 E11250 - S0735
E11303 - S0750 E11322 - S0811 E11255 - S0806 E11250
FCST VA CLD +18 HR: 20/1900Z SFC/FL150 S0807 E11250 - S0734
E11256 - S0746 E11319 - S0811 E11255 - S0807 E11250
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET
CLOUD, HOWEVER RECENT GROUND REPORTS INDICATE INTERMITTENT
DISCRETE ERUPTIONS ARE ONGOING. HEIGHT AND MOVEMENT BASED ON
GROUND REPORTS AND MODEL GUIDANCE. ]

VA ADVISORY
DTG: 20250420/0120Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SUMMIT ELEV: 3657M
ADVISORY NR: 2025/447
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA TO FL150 LAST REPORTED AT 19/2359Z MOV
NE
EST VA DTG: 20/0100Z
EST VA CLD: SFC/FL150 S0806 E11250 - S0738 E11311 - S0756
E11326 - S0811 E11255 MOV NE 10KT
FCST VA CLD +6 HR: 20/0700Z SFC/FL150 S0807 E11250 - S0737
E11307 - S0755 E11325 - S0811 E11255
FCST VA CLD +12 HR: 20/1300Z SFC/FL150 S0806 E11250 - S0735
E11303 - S0750 E11322 - S0811 E11255
FCST VA CLD +18 HR: 20/1900Z SFC/FL150 S0807 E11250 - S0734
E11256 - S0746 E11319 - S0811 E11255
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET
CLOUD, HOWEVER RECENT GROUND REPORTS INDICATE INTERMITTENT
DISCRETE ERUPTIONS ARE ONGOING. HEIGHT AND MOVEMENT BASED ON
GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250420/0720Z=

VA ADVISORY
DTG: 20250419/2343Z
VAAC: WASHINGTON
VOLCANO: REVENTADOR 352010
PSN: S0004 W07739
AREA: ECUADOR
SUMMIT ELEV: 11686 FT [3562 M]
ADVISORY NR: 2025/353
INFO SOURCE: GOES-18. WEBCAM. NWP MODELS. VOLCAT.
ERUPTION DETAILS: CONT LGT VA EMS OBS
OBS VA DTG: 19/2310Z
OBS VA CLD: SFC/FL140 S0003 W07743 - S0004 W07740
- S0005 W07743 - S0003 W07743 MOV W 10KT
FCST VA CLD +6HR: 20/0500Z SFC/FL140 S0003 W07743
- S0004 W07740 - S0005 W07743 - S0003 W07743
FCST VA CLD +12HR: 20/1100Z NO VA EXP
FCST VA CLD +18HR: 20/1700Z NO VA EXP
RMK: CONT LGT VA EMS OBS IN WEBCAM. VA NOT OBS IN
STLT IMAGERY DUE TO WX CLDS. LGT VA FCST TO CONT
W MOV THRU T+6HRS BEFORE DISP. VO ACT LOW.
...FISHER
NXT ADVISORY: WILL BE ISSUED BY 20250420/0545Z

VAWR2818 WAAF 04192140
[ASHTAM 2818
A]WAAF
B]04190311
C]IBU 268030
D]N0129E12738
E]ORANGE ALERT
F]SFC/FL070 N0127 E12741 - N0127 E12734 - N0200
E12729 - N0155 E12802 - N0127 E12741
G]MOV N 10KT
H]NIL
I]NIL
J]CVGHM, HIMAWARI-9
K]ERUPTION LAST REPORTED AT 19/1732Z
FCST VA CLD +6 HR: 20/0340Z SFC/FL070 N0127 E12741 - N0127
E12734 - N0200 E12734 - N0154 E12802 - N0127 E12741
FCST VA CLD +12 HR: 20/0940Z SFC/FL070 N0127 E12741 - N0127
E12734 - N0200 E12727 - N0153 E12807 - N0127 E12741
FCST VA CLD +18 HR: 20/1540Z SFC/FL070 N0127 E12741 - N0127
E12734 - N0146 E12702 - N0201 E12733 - N0153 E12805 - N0127
E12741 RMK: VA NOT IDENTIFIABLE ON SAT IMG DUE TO MET CLOUD,
HOWEVER RECENT GROUND REPORTS INDICATE INTERMITTENT DISCRETE
ERUPTIONS ARE ONGOING. HEIGHT AND MOVEMENT BASED ON SAT IMG,
GROUND REPORTS AND MODEL GUIDANCE. *ADVISORY CORRECTED FOR
TYPO IN EST VA DTG TIME*]

VA ADVISORY
DTG: 20250419/2303Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/379
INFO SOURCE: GOES-18. NWP MODELS. VOLCAT.
ERUPTION DETAILS: CONT LGT VA EMS PSBL
OBS VA DTG: 19/2230Z
OBS VA CLD: SFC/FL150 N1446 W09132 - N1434 W09125
- N1432 W09135 - N1446 W09132 MOV S 10KT
FCST VA CLD +6HR: 20/0430Z SFC/FL150 N1446 W09132
- N1431 W09137 - N1435 W09146 - N1446 W09132
FCST VA CLD +12HR: 20/1030Z NO VA EXP
FCST VA CLD +18HR: 20/1630Z NO VA EXP
RMK: CONT LGT VA EMS PSBL MOV S FM THE SUMMIT. VA
NOT OBS DUE TO WX CLDS. PSBL VA FCST TO CONT S
MOV THRU T+6HRS BEFORE DISP. VO ACT LOW.
...FISHER
NXT ADVISORY: WILL BE ISSUED BY 20250420/0500Z

VA ADVISORY
DTG: 20250419/2200Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SUMMIT ELEV: 1325M
ADVISORY NR: 2025/446
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: ERUPTION LAST REPORTED AT 19/1732Z
EST VA DTG: 19/2140Z
EST VA CLD: SFC/FL070 N0127 E12741 - N0127 E12734 - N0200
E12729 - N0155 E12802 MOV N 10KT
FCST VA CLD +6 HR: 20/0340Z SFC/FL070 N0127 E12741 - N0127
E12734 - N0200 E12734 - N0154 E12802
FCST VA CLD +12 HR: 20/0940Z SFC/FL070 N0127 E12741 - N0127
E12734 - N0200 E12727 - N0153 E12807
FCST VA CLD +18 HR: 20/1540Z SFC/FL070 N0127 E12741 - N0127
E12734 - N0146 E12702 - N0201 E12733 - N0153 E12805
RMK: VA NOT IDENTIFIABLE ON SAT IMG DUE TO MET CLOUD,
HOWEVER RECENT GROUND REPORTS INDICATE INTERMITTENT DISCRETE
ERUPTIONS ARE ONGOING. HEIGHT AND MOVEMENT BASED ON SAT IMG,
GROUND REPORTS AND MODEL GUIDANCE. *ADVISORY CORRECTED FOR
TYPO IN EST VA DTG TIME*
NXT ADVISORY: NO LATER THAN 20250420/0400Z=

VAWR2817 WAAF 04192200
[ASHTAM 2817
A]WAAF
B]04192200
C]DUKONO 268010
D]N0142E12754
E]ORANGE ALERT
F]SFC/FL070 N0139 E12757 - N0139 E12750 - N0221
E12736 - N0218 E12820 - N0139 E12757
G]MOV N 10KT
H]NIL
I]NIL
J]CVGHM, HIMAWARI-9
K]VA TO FL070 LAST REPORTED AT 19/2105Z
FCST VA CLD +6 HR: 20/0400Z SFC/FL070 N0139 E12758 - N0139
E12750 - N0221 E12745 - N0215 E12823 - N0139 E12758
FCST VA CLD +12 HR: 20/1000Z SFC/FL070 N0139 E12757 - N0139
E12750 - N0214 E12728 - N0220 E12802 - N0205 E12831 - N0139
E12757FCST VA CLD +18 HR: 20/1600Z SFC/FL070 N0131 E12801 - N0129
E12750 - N0152 E12716 - N0212 E12746 - N0204 E12821 - N0131
E12801RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET
CLOUD, HOWEVER CVGHM REPORTED ONGOING VA ERUPTION 1000M
ABOVE THE SUMMIT AT 19/2105Z. HEIGHT AND MOVEMENT BASED ON
GROUND REPORT AND MODEL GUIDANCE. ]

VA ADVISORY
DTG: 20250419/2225Z
VAAC: DARWIN
VOLCANO: DUKONO 268010
PSN: N0142 E12754
AREA: INDONESIA
SUMMIT ELEV: 1229M
ADVISORY NR: 2025/368
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA TO FL070 LAST REPORTED AT 19/2105Z
EST VA DTG: 19/2200Z
EST VA CLD: SFC/FL070 N0139 E12757 - N0139 E12750 - N0221
E12736 - N0218 E12820 MOV N 10KT
FCST VA CLD +6 HR: 20/0400Z SFC/FL070 N0139 E12758 - N0139
E12750 - N0221 E12745 - N0215 E12823
FCST VA CLD +12 HR: 20/1000Z SFC/FL070 N0139 E12757 - N0139
E12750 - N0214 E12728 - N0220 E12802 - N0205 E12831
FCST VA CLD +18 HR: 20/1600Z SFC/FL070 N0131 E12801 - N0129
E12750 - N0152 E12716 - N0212 E12746 - N0204 E12821
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET
CLOUD, HOWEVER CVGHM REPORTED ONGOING VA ERUPTION 1000M
ABOVE THE SUMMIT AT 19/2105Z. HEIGHT AND MOVEMENT BASED ON
GROUND REPORT AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250420/0425Z=

VA ADVISORY
DTG: 20250419/2051Z
VAAC: WASHINGTON
VOLCANO: POAS 345040
PSN: N1011 W08413
AREA: COSTA?RICA
SUMMIT ELEV: 8848 FT [2697 M]
ADVISORY NR: 2025/045
INFO SOURCE: GOES-18. WEBCAM. NWP MODELS. VOLCAT.
ERUPTION DETAILS: VA EMS HAS DISP
OBS VA DTG: 19/2020Z
OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE
DATA.
FCST VA CLD +6HR: 20/0230Z NO VA EXP
FCST VA CLD +12HR: 20/0830Z NO VA EXP
FCST VA CLD +18HR: 20/1430Z NO VA EXP
RMK: VA EMS HAS DISP IN STLT IMAGERY. NO NEW EMS
OBS. NO RPRTS OF VA EMS. ...FISHER
NXT ADVISORY: NO FURTHER ADVISORIES

VAWR2816 WAAF 04191950
[ASHTAM 2816
A]WAAF
B]04191831
C]LEWOTOBI 264180
D]S0833E12246
E]ORANGE ALERT
F]SFC/FL090 S0836 E12246 - S0831 E12240 - S0752
E12304 - S0820 E12328 - S0836 E12246
G]MOV NE 10KT
H]NIL
I]NIL
J]HIMAWARI-9, CVGHM
K]VA ERUPTION LAST REPORTED AT 19/1529Z
FCST VA CLD +6 HR: 20/0150Z SFC/FL090 S0836 E12246 - S0831
E12240 - S0752 E12304 - S0818 E12327 - S0836 E12246
FCST VA CLD +12 HR: 20/0750Z SFC/FL090 S0835 E12245 - S0831
E12240 - S0752 E12304 - S0820 E12329 - S0835 E12245
FCST VA CLD +18 HR: 20/1350Z SFC/FL090 S0837 E12247 - S0831
E12239 - S0753 E12304 - S0820 E12327 - S0837 E12247
RMK: VA NOT IDENTIFIABLE ON SAT IMG DUE TO MET CLOUD.
HOWEVER, ONGOING INTERMITTENT DISCRETE ERUPTIONS EXPECTED
BASED ON FREQUENT GROUND REPORTS. VA HEIGHT AND FORECAST
BASED ON GROUND REPORTS AND MODEL GUIDANCE.]

VA ADVISORY
DTG: 20250419/2021Z

VAAC: WASHINGTON

VOLCANO: SANGAY 352090
PSN: S0200 W07820

AREA: ECUADOR

SUMMIT ELEV: 17342 FT [5286 M]

ADVISORY NR: 2025/149

INFO SOURCE: GOES-18. WEBCAM. NWP MODELS. VOLCAT.

ERUPTION DETAILS: CONT VA EMS

OBS VA DTG: 19/1950Z

OBS VA CLD: SFC/FL200 S0157 W07832 - S0200 W07820
- S0203 W07830 - S0157 W07832 MOV W 10KT

FCST VA CLD +6HR: 20/0200Z SFC/FL200 S0157 W07833
- S0200 W07820 - S0204 W07831 - S0157 W07833

FCST VA CLD +12HR: 20/0800Z SFC/FL200 S0156
W07832 - S0200 W07820 - S0205 W07832 - S0156
W07832

FCST VA CLD +18HR: 20/1400Z NO VA EXP

RMK: CONT VA EMS OBS MOV W IN STLT IMAGERY. VA
FCST TO CONT W MOV THRU T+12HRS BEFORE DISP VO
ACT LOW TO MODERATE. ...FISHER

NXT ADVISORY: WILL BE ISSUED BY 20250420/0215Z

VAWR2815 WAAF 04191900
[ASHTAM 2815
A]WAAF
B]04191641
C]SEMERU 263300
D]S0806E11255
E]ORANGE ALERT
F]SFC/FL150 S0809 E11252 - S0805 E11250 - S0743
E11315 - S0805 E11327 - S0809 E11252
G]MOV NE 05KT
H]NIL
I]NIL
J]CVGHM, HIMAWARI-9
K]VA TO FL150 LAST REPORTED AT 19/1030Z
FCST VA CLD +6 HR: 20/0100Z SFC/FL150 S0809 E11252 - S0805
E11250 - S0741 E11315 - S0803 E11326 - S0809 E11252
FCST VA CLD +12 HR: 20/0700Z SFC/FL150 S0809 E11252 - S0805
E11250 - S0741 E11315 - S0809 E11328 - S0809 E11252
FCST VA CLD +18 HR: 20/1300Z SFC/FL150 S0809 E11252 - S0804
E11249 - S0742 E11314 - S0755 E11324 - S0807 E11328 - S0809
E11252 RMK: VA NOT IDENTIFIABLE ON LATEST SAT IMG DUE TO MET CLOUD.
HOWEVER FREQUENT GROUND REPORTS INDICATE INTERMITTENT
DISCRETE ERUPTIONS ARE ONGOING. HEIGHT AND MOVEMENT BASED ON
HIMAWARI-9 SAT IMG, GROUND REPORTS AND MODEL GUIDANCE.]

VA ADVISORY
DTG: 20250419/2010Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/273
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA ERUPTION LAST REPORTED AT 19/1529Z
EST VA DTG: 19/1950Z
EST VA CLD: SFC/FL090 S0836 E12246 - S0831 E12240 - S0752
E12304 - S0820 E12328 MOV NE 10KT
FCST VA CLD +6 HR: 20/0150Z SFC/FL090 S0836 E12246 - S0831
E12240 - S0752 E12304 - S0818 E12327
FCST VA CLD +12 HR: 20/0750Z SFC/FL090 S0835 E12245 - S0831
E12240 - S0752 E12304 - S0820 E12329
FCST VA CLD +18 HR: 20/1350Z SFC/FL090 S0837 E12247 - S0831
E12239 - S0753 E12304 - S0820 E12327
RMK: VA NOT IDENTIFIABLE ON SAT IMG DUE TO MET CLOUD.
HOWEVER, ONGOING INTERMITTENT DISCRETE ERUPTIONS EXPECTED
BASED ON FREQUENT GROUND REPORTS. VA HEIGHT AND FORECAST
BASED ON GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250420/0210Z=

VA ADVISORY
DTG: 20250419/1920Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SUMMIT ELEV: 3657M
ADVISORY NR: 2025/446
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA TO FL150 LAST REPORTED AT 19/1030Z
EST VA DTG: 19/1900Z
EST VA CLD: SFC/FL150 S0809 E11252 - S0805 E11250 - S0743
E11315 - S0805 E11327 MOV NE 05KT
FCST VA CLD +6 HR: 20/0100Z SFC/FL150 S0809 E11252 - S0805
E11250 - S0741 E11315 - S0803 E11326
FCST VA CLD +12 HR: 20/0700Z SFC/FL150 S0809 E11252 - S0805
E11250 - S0741 E11315 - S0809 E11328
FCST VA CLD +18 HR: 20/1300Z SFC/FL150 S0809 E11252 - S0804
E11249 - S0742 E11314 - S0755 E11324 - S0807 E11328
RMK: VA NOT IDENTIFIABLE ON LATEST SAT IMG DUE TO MET CLOUD.
HOWEVER FREQUENT GROUND REPORTS INDICATE INTERMITTENT
DISCRETE ERUPTIONS ARE ONGOING. HEIGHT AND MOVEMENT BASED ON
HIMAWARI-9 SAT IMG, GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250420/0120Z=

VA ADVISORY
DTG: 20250419/1907Z
VAAC: WASHINGTON
VOLCANO: REVENTADOR 352010
PSN: S0004 W07739
AREA: ECUADOR
SUMMIT ELEV: 11686 FT [3562 M]
ADVISORY NR: 2025/352
INFO SOURCE: GOES-18. WEBCAM. NWP MODELS. VOLCAT.
ERUPTION DETAILS: CONT VA EMS OBS
OBS VA DTG: 19/1840Z
OBS VA CLD: SFC/FL140 S0001 W07758 - S0004 W07739
- S0008 W07758 - S0001 W07758 MOV W 10KT
FCST VA CLD +6HR: 20/0030Z SFC/FL140 S0002 W07759
- S0004 W07740 - S0009 W07759 - S0002 W07759
FCST VA CLD +12HR: 20/0630Z NO VA EXP
FCST VA CLD +18HR: 20/1230Z NO VA EXP
RMK: CONT VA EMS OBS MOV W IN STLT IMAGERY. VA
FCST TO CONT W MOV THRU T+6HRS BEFORE DISP. VO
ACT MODERATE. ...FISHER
NXT ADVISORY: WILL BE ISSUED BY 20250420/0100Z

VA ADVISORY
DTG: 20250419/1721Z

VAAC: WASHINGTON

VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133

AREA: GUATEMALA

SUMMIT ELEV: 12287 FT [3745 M]

ADVISORY NR: 2025/378

INFO SOURCE: GOES-19. NWP MODELS.

ERUPTION DETAILS: LGT VA EMS OBSD

OBS VA DTG: 19/1650Z

OBS VA CLD: SFC/FL125 N1446 W09133 - N1438 W09122
- N1432 W09134 - N1445 W09134 - N1446 W09133 MOV
SE 5KT

FCST VA CLD +6HR: 19/2300Z SFC/FL125 N1447 W09134
- N1446 W09132 - N1420 W09141 - N1429 W09153 -
N1447 W09134

FCST VA CLD +12HR: 20/0500Z SFC/FL125 N1447
W09133 - N1446 W09132 - N1423 W09146 - N1434
W09156 - N1447 W09133

FCST VA CLD +18HR: 20/1100Z NO VA EXP

RMK: VA EMS OBSD IN STLT IMG EXTG APPRX 10 NM SE
FM SUMMIT. SE MVMT EXP TO SHIFT SW BY T+6 HRS.
MVMT AND HGT BASED ON STLT OBS AND NWP MDLS.
...BERTALAN

NXT ADVISORY: WILL BE ISSUED BY 20250419/2315Z

VA ADVISORY
DTG: 20250419/1625Z
VAAC: DARWIN
VOLCANO: DUKONO 268010
PSN: N0142 E12754
AREA: INDONESIA
SUMMIT ELEV: 1229M
ADVISORY NR: 2025/367
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA TO FL090 LAST OBS AT 19/0230Z
EST VA DTG: 19/1600Z
EST VA CLD: SFC/FL090 N0139 E12757 - N0138 E12752 - N0203
E12724 - N0221 E12731 - N0220 E12808 MOV N 10KT
FCST VA CLD +6 HR: 19/2200Z SFC/FL090 N0139 E12757 - N0139
E12751 - N0216 E12728 - N0218 E12809
FCST VA CLD +12 HR: 20/0400Z SFC/FL090 N0139 E12750 - N0214
E12729 - N0220 E12741 - N0219 E12812 - N0139 E12758
FCST VA CLD +18 HR: 20/1000Z SFC/FL090 N0139 E12758 - N0139
E12749 - N0212 E12728 - N0220 E12742 - N0220 E12813
RMK: VA NOT IDENTIFIABLE ON LATEST SAT IMG DUE TO MET CLOUD.
HOWEVER, ERUPTION IS EXPECTED TO BE ONGOING. VA HEIGHT AND
MOVEMENT BASED ON SAT IMG, RECENT ERUPTIVE BEHAVIOR AND
MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250419/2225Z=

VA ADVISORY
DTG: 20250419/1600Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SUMMIT ELEV: 1325M
ADVISORY NR: 2025/445
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA TO FL070 LAST REP AT 19/1212Z
EST VA DTG: 19/1540Z
EST VA CLD: SFC/FL070 N0126 E12741 - N0126 E12735 - N0157
E12722 - N0158 E12751 MOV N 10KT
FCST VA CLD +6 HR: 19/2140Z SFC/FL070 N0127 E12735 - N0159
E12722 - N0200 E12752 - N0127 E12742
FCST VA CLD +12 HR: 20/0340Z SFC/FL070 N0127 E12735 - N0158
E12722 - N0159 E12754 - N0127 E12743
FCST VA CLD +18 HR: 20/0940Z SFC/FL070 N0126 E12735 - N0159
E12722 - N0159 E12753 - N0126 E12741
RMK: VA NOT IDENTIFIABLE ON LATEST SAT IMG DUE TO MET CLOUD.
HOWEVER, GROUND REPORTS INDICATE INTERMITTENT ERUPTIONS
REMAIN ONGOING. HEIGHT AND MOVEMENT BASED ON HIMAWARI-9 SAT
IMG, GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250419/2200Z=

VA ADVISORY
DTG: 20250419/1456Z

VAAC: WASHINGTON

VOLCANO: POAS 345040
PSN: N1011 W08413

AREA: COSTA?RICA

SUMMIT ELEV: 8848 FT [2697 M]

ADVISORY NR: 2025/044

INFO SOURCE: GOES-19. VONA. WEBCAM. NWP MODELS.

ERUPTION DETAILS: VONA RPTD VA EMS

EST VA DTG: 19/1430Z

EST VA CLD: SFC/FL100 N1014 W08422 - N1012 W08413
- N1011 W08413 - N1010 W08422 - N1014 W08422 MOV
W 5KT

FCST VA CLD +6HR: 19/2030Z SFC/FL100 N1012 W08414
- N1011 W08413 - N1004 W08422 - N1008 W08425 -
N1012 W08414

FCST VA CLD +12HR: 20/0230Z NO VA EXP

FCST VA CLD +18HR: 20/0830Z NO VA EXP

RMK: VONA RCVD. VA EMS OBSD IN WEBCAM BUT NOT ON
STLT IMG DUE TO MET CLDS. W MVMT EXP TO SHIFT SW
BY T+6 HRS. MVMT AND HGT BASED ON VONA, WEBCAM,
AND NWP MDLS. ...BERTALAN

NXT ADVISORY: WILL BE ISSUED BY 20250419/2100Z

VA ADVISORY
DTG: 20250419/1428Z
VAAC: WASHINGTON
VOLCANO: SANGAY 352090
PSN: S0200 W07820
AREA: ECUADOR
SUMMIT ELEV: 17342 FT [5286 M]
ADVISORY NR: 2025/148
INFO SOURCE: GOES-19. VONA. WEBCAM. NWP MODELS.
ERUPTION DETAILS: CONS VA EMS OBSD
OBS VA DTG: 19/1400Z
OBS VA CLD: SFC/FL270 S0146 W07928 - S0159 W07820
- S0201 W07820 - S0210 W07928 - S0146 W07928 MOV
W 15KT
FCST VA CLD +6HR: 19/2000Z SFC/FL270 S0156 W07943
- S0159 W07820 - S0202 W07820 - S0217 W07941 -
S0156 W07943
FCST VA CLD +12HR: 20/0200Z SFC/FL270 S0150
W07942 - S0159 W07820 - S0202 W07820 - S0211
W07942 - S0150 W07942
FCST VA CLD +18HR: 20/0800Z SFC/FL270 S0158
W07820 - S0202 W07819 - S0222 W07938 - S0202
W07942 - S0158 W07820
RMK: VONA RCVD RPTD VA EMS AT FL270. VA EMS OBSD IN
WEBCAM AND STLT IMG EXTG APPRX 70 NM W FM SUMMIT.
A MORE WSW MVMT EXP THRU T+18 HRS. MVMT AND HGT
BASED ON VONA, WEBCAM, STLT OBS AND NWP MDLS.
...BERTALAN
NXT ADVISORY: WILL BE ISSUED BY 20250419/2030Z

VA ADVISORY
DTG: 20250419/1410Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/272
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA ERUPTION LAST REPORTED AT 19/1111Z
EST VA DTG: 19/1350Z
EST VA CLD: SFC/FL090 S0836 E12245 - S0831 E12241 - S0753
E12303 - S0819 E12327 MOV NE 10KT
FCST VA CLD +6 HR: 19/1950Z SFC/FL090 S0836 E12246 - S0831
E12240 - S0752 E12304 - S0820 E12328
FCST VA CLD +12 HR: 20/0150Z SFC/FL090 S0836 E12246 - S0831
E12240 - S0752 E12304 - S0818 E12327
FCST VA CLD +18 HR: 20/0750Z SFC/FL090 S0835 E12245 - S0831
E12240 - S0752 E12304 - S0820 E12329
RMK: VA NOT IDENTIFIABLE ON SAT IMG DUE TO MET CLOUD.
HOWEVER, ONGOING INTERMITTENT DISCRETE ERUPTIONS EXPECTED
BASED ON FREQUENT GROUND REPORTS. VA HEIGHT AND FORECAST
BASED ON GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250419/2010Z=

VA ADVISORY
DTG: 20250419/1349Z

VAAC: WASHINGTON

VOLCANO: REVENTADOR 352010
PSN: S0004 W07739

AREA: ECUADOR

SUMMIT ELEV: 11686 FT [3562 M]

ADVISORY NR: 2025/351

INFO SOURCE: GOES-19. VONA. WEBCAM. NWP MODELS.

ERUPTION DETAILS: FRQT VA EMS OBSD

EST VA DTG: 19/1320Z

EST VA CLD: SFC/FL140 S0001 W07804 - S0003 W07740
- S0005 W07740 - S0006 W07804 - S0001 W07804 MOV
W 10KT

FCST VA CLD +6HR: 19/1900Z SFC/FL140 N0014 W07804
- S0004 W07739 - S0005 W07739 - N0007 W07808 -
N0014 W07804

FCST VA CLD +12HR: 20/0100Z SFC/FL140 N0011
W07805 - S0004 W07739 - S0005 W07739 - N0003
W07809 - N0011 W07805

FCST VA CLD +18HR: 20/0700Z SFC/FL140 N0008
W07807 - S0004 W07739 - S0005 W07739 - N0001
W07809 - N0008 W07807

RMK: VA EMS OBSD IN WEBCAM AND STLT IMG EXTG
APPRX 25 NM W FM SUMMIT. W MVMT EXP TO SHIFT NW
THRU T+18 HRS. MVMT AND HGT BASED ON VONA,
WEBCAM, STLT IMG, AND NWP MDLS. ...BERTALAN

NXT ADVISORY: WILL BE ISSUED BY 20250419/1945Z

VA ADVISORY
DTG: 20250419/1320Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SUMMIT ELEV: 3657M
ADVISORY NR: 2025/445
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA TO FL150 LAST REPORTED AT 19/1030Z
EST VA DTG: 19/1300Z
EST VA CLD: SFC/FL150 S0809 E11252 - S0806 E11250 - S0743
E11315 - S0759 E11324 - S0805 E11327 MOV NE 10KT
FCST VA CLD +6 HR: 19/1900Z SFC/FL150 S0809 E11253 - S0806
E11251 - S0743 E11315 - S0805 E11327
FCST VA CLD +12 HR: 20/0100Z SFC/FL150 S0809 E11252 - S0805
E11250 - S0741 E11315 - S0803 E11326
FCST VA CLD +18 HR: 20/0700Z SFC/FL150 S0805 E11251 - S0743
E11315 - S0804 E11327 - S0809 E11252
RMK: VA NOT IDENTIFIABLE ON LATEST SAT IMG DUE TO MET CLOUD.
HOWEVER FREQUENT GROUND REPORTS INDICATE INTERMITTENT
DISCRETE ERUPTIONS ARE ONGOING. HEIGHT AND MOVEMENT BASED ON
HIMAWARI-9 SAT IMG, GROUND REPORTS AND MODEL
GUIDANCE.***ADVISORY CORRECTED FOR VA MOVEMENT***
NXT ADVISORY: NO LATER THAN 20250419/1920Z=

VA ADVISORY
DTG: 20250419/1203Z
VAAC: WASHINGTON
VOLCANO: SANGAY 352090
PSN: S0200 W07820
AREA: ECUADOR
SUMMIT ELEV: 17342 FT [5286 M]
ADVISORY NR: 2025/147
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: OCSL VA EMS OBSD
OBS VA DTG: 19/1130Z
OBS VA CLD: SFC/FL190 S0155 W07911 - S0159 W07820
- S0202 W07820 - S0204 W07911 - S0155 W07911 MOV
W 20KT
FCST VA CLD +6HR: 19/1730Z SFC/FL190 S0146 W07926
- S0200 W07820 - S0202 W07819 - S0201 W07928 -
S0146 W07926
FCST VA CLD +12HR: 19/2330Z SFC/FL190 S0148
W07926 - S0159 W07820 - S0201 W07819 - S0204
W07927 - S0148 W07926
FCST VA CLD +18HR: 20/0530Z NO VA EXP
RMK: VA EMS OBSD IN STLT IMG EXTG APPRX 50 NM W
FM SUMMIT. SOME VA EMS MAY BE OBSCD DUE TO MET
CLDS. LTLCG IN FCST EXP THRU T+12 HRS. MVMT AND
HGT BASED ON STLT OBS AND NWP MDLS. ...BERTALAN
NXT ADVISORY: WILL BE ISSUED BY 20250419/1800Z

VA ADVISORY
DTG: 20250419/1135Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/377
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: PSBL VA EMS
EST VA DTG: 19/1110Z
EST VA CLD: SFC/FL125 N1447 W09132 - N1443 W09120
- N1437 W09124 - N1445 W09134 - N1447 W09132 MOV
SE 5KT
FCST VA CLD +6HR: 19/1700Z SFC/FL125 N1446 W09132
- N1438 W09114 - N1429 W09120 - N1445 W09134 -
N1446 W09132
FCST VA CLD +12HR: 19/2300Z NO VA EXP
FCST VA CLD +18HR: 20/0500Z NO VA EXP
RMK: HOT SPOT ACT OBSD IN STLT IMG BUT NO VA EMS
VSBL. VA EMS MAY BE OBSCD DUE TO MET CLDS. LTLCG
IN FCST EXP BY T+6 HRS. MVMT AND HGT BASED ON NWP
MDLS. ...BERTALAN
NXT ADVISORY: WILL BE ISSUED BY 20250419/1730Z

VA ADVISORY
DTG: 20250419/1108Z
VAAC: WASHINGTON
VOLCANO: POAS 345040
PSN: N1011 W08413
AREA: COSTA_RICA
SUMMIT ELEV: 8848 FT [2697 M]
ADVISORY NR: 2025/043
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: NO VA EMS OBSD
EST VA DTG: 19/1040Z
EST VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE
DATA.
FCST VA CLD +6HR: 19/1630Z NO VA EXP
FCST VA CLD +12HR: 19/2230Z NO VA EXP
FCST VA CLD +18HR: 20/0430Z NO VA EXP
RMK: NO VA EMS VSBL IN STLT IMG. NO RCNT RPTS OF
VA EMS RCVD. ...BERTALAN
NXT ADVISORY: NO FURTHER ADVISORIES

VA ADVISORY
DTG: 20250419/1025Z
VAAC: DARWIN
VOLCANO: DUKONO 268010
PSN: N0142 E12754
AREA: INDONESIA
SUMMIT ELEV: 1229M
ADVISORY NR: 2025/366
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA TO FL090 LAST OBS AT 19/0230Z EXTD NW
EST VA DTG: 19/1000Z
EST VA CLD: SFC/FL090 N0138 E12754 - N0148 E12720 - N0211
E12721 - N0218 E12733 - N0212 E12759 - N0139 E12757 MOV NW
10KT
FCST VA CLD +6 HR: 19/1600Z SFC/FL090 N0139 E12757 - N0138
E12752 - N0203 E12724 - N0221 E12731 - N0219 E12801
FCST VA CLD +12 HR: 19/2200Z SFC/FL090 N0139 E12757 - N0139
E12751 - N0217 E12731 - N0218 E12809
FCST VA CLD +18 HR: 20/0400Z SFC/FL090 N0139 E12758 - N0139
E12750 - N0214 E12729 - N0220 E12741 - N0219 E12812
RMK: VA NOT IDENTIFIABLE ON LATEST SAT IMG DUE TO MET CLOUD.
HOWEVER, ERUPTION IS EXPECTED TO BE ONGOING. VA HEIGHT AND
MOVEMENT BASED ON SAT IMG, RECENT ERUPTIVE BEHAVIOR AND
MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250419/1625Z=

VA ADVISORY
DTG: 20250419/1000Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SUMMIT ELEV: 1325M
ADVISORY NR: 2025/444
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA TO FL070 LAST REP AT 19/0745Z
EST VA DTG: 19/0940Z
EST VA CLD: SFC/FL070 N0126 E12734 - N0157 E12722 - N0158
E12750 - N0126 E12742 MOV N 10KT
FCST VA CLD +6 HR: 19/1540Z SFC/FL070 N0126 E12735 - N0157
E12721 - N0158 E12750 - N0126 E12741
FCST VA CLD +12 HR: 19/2140Z SFC/FL070 N0127 E12735 - N0159
E12722 - N0200 E12752 - N0127 E12742
FCST VA CLD +18 HR: 20/0340Z SFC/FL070 N0127 E12735 - N0158
E12722 - N0159 E12754 - N0127 E12743
RMK: VA NOT IDENTIFIABLE ON LATEST SAT IMG DUE TO MET CLOUD.
HOWEVER, GROUND REPORTS INDICATE INTERMITTENT ERUPTIONS
REMAIN ONGOING. HEIGHT AND MOVEMENT BASED ON HIMAWARI-9 SAT
IMG, GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250419/1600Z=

VA ADVISORY
DTG: 20250419/0810Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SUMMIT ELEV: 1703M
ADVISORY NR: 2025/271
INFO SOURCE: HIMAWARI-9, CVGHM
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA ERUPTION LAST REPORTED AT 19/0745Z
EST VA DTG: 19/0750Z
EST VA CLD: SFC/FL090 S0835 E12244 - S0831 E12243 - S0810
E12325 - S0839 E12331 MOV E 20KT
FCST VA CLD +6 HR: 19/1350Z SFC/FL090 S0832 E12243 - S0803
E12323 - S0834 E12330 - S0836 E12245
FCST VA CLD +12 HR: 19/1950Z SFC/FL090 S0833 E12243 - S0752
E12304 - S0820 E12328 - S0836 E12246
FCST VA CLD +18 HR: 20/0150Z SFC/FL090 S0836 E12246 - S0833
E12243 - S0752 E12304 - S0818 E12327
RMK: VA NOT IDENTIFIABLE ON SAT IMG DUE TO MET CLOUD.
HOWEVER, ONGOING INTERMITTENT DISCRETE ERUPTIONS EXPECTED
BASED ON FREQUENT GROUND REPORTS. VA HEIGHT AND FORECAST
BASED ON GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250419/1410Z=

VA ADVISORY
DTG: 20250419/0800Z
VAAC: WASHINGTON
VOLCANO: REVENTADOR 352010
PSN: S0005 W07739
AREA: ECUADOR
SUMMIT ELEV: 11686 FT [3562 M]
ADVISORY NR: 2025/350
INFO SOURCE: GOES-19. VONA. NWP MODELS.
GEOPHYSICAL INST.
ERUPTION DETAILS: FQT EM
OBS VA DTG: 19/0740Z
OBS VA CLD: SFC/FL130 S0001 W07755 - S0004 W07739
- S0005 W07740 - S0004 W07755 - S0001 W07755 MOV
W 10KT
FCST VA CLD +6HR: 19/1330Z SFC/FL130 N0004 W07800
- S0004 W07739 - S0006 W07740 - N0000 W07801 -
N0004 W07800
FCST VA CLD +12HR: 19/1930Z SFC/FL130 N0004
W07759 - S0004 W07739 - S0005 W07739 - N0001
W07801 - N0004 W07759
FCST VA CLD +18HR: 20/0130Z SFC/FL130 N0004
W07800 - S0004 W07738 - S0006 W07740 - N0000
W07801 - N0004 W07800
RMK: VA EXT 14 NM W OF THE SUMMIT. VA FCST TO MOV
TWD NW BY T+6 BASED ON NWP MODELS. ...TURK
NXT ADVISORY: WILL BE ISSUED BY 20250419/1400Z

VA ADVISORY
DTG: 20250419/0720Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SUMMIT ELEV: 3657M
ADVISORY NR: 2025/443
INFO SOURCE: CVGHM, HIMAWARI-9
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA TO FL150 LAST REPORTED AT 19/0537Z
EST VA DTG: 19/0700Z
EST VA CLD: SFC/FL150 S0805 E11253 - S0757 E11318 - S0807
E11326 - S0815 E11318 - S0808 E11253 MOV E 20KT
FCST VA CLD +6 HR: 19/1300Z SFC/FL150 S0806 E11252 - S0749
E11318 - S0809 E11323 - S0809 E11253
FCST VA CLD +12 HR: 19/1900Z SFC/FL150 S0805 E11252 - S0750
E11319 - S0809 E11323 - S0809 E11253
FCST VA CLD +18 HR: 20/0100Z SFC/FL150 S0805 E11252 - S0741
E11315 - S0800 E11325 - S0810 E11255
RMK: VA NOT IDENTIFIABLE ON LATEST SAT IMG DUE TO MET CLOUD.
HOWEVER FREQUENT GROUND REPORTS INDICATE INTERMITTENT
DISCRETE ERUPTIONS ARE ONGOING. HEIGHT AND MOVEMENT BASED ON
HIMAWARI-9 SAT IMG, GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20250419/1320Z=

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