** BUREAU of METEOROLOGY - Sydney **
** INTERNATIONAL SIGMETS ** 12:20 UTC, 22/04/2026
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NZZO SIGMET 25 VALID 221201/221601 NZKL-
NZZO AUCKLAND OCEANIC FIR SEV TURB FCST WI S2450 E17230 - S2520
E17950 - S3330 W16820 - S3920 W15300 - S4310 W16430 - S3840 W17830 -
S2450 E17230 FL140/320 STNR NC=
NZZO SIGMET 26 VALID 221201/221230 NZKL-
NZZO AUCKLAND OCEANIC FIR CNL SIGMET 18 220830/221230=
NZZO SIGMET 23 VALID 221154/221554 NZKL-
NZZO AUCKLAND OCEANIC FIR SEV TURB FCST WI S6640 E17130 - S6800
E16300 - S6500 E16300 - S6000 E17520 - S5830 W17410 - S6640 E17130
FL190/310 MOV SE 15KT NC=
NZZO SIGMET 24 VALID 221154/221225 NZKL-
NZZO AUCKLAND OCEANIC FIR CNL SIGMET 17 220825/221225=
NZZO SIGMET 27 VALID 221202/221233 NZKL-
NZZO AUCKLAND OCEANIC FIR CNL SIGMET 19 220833/221233=
NZZC SIGMET 25 VALID 221201/221229 NZKL-
NZZC NEW ZEALAND FIR CNL SIGMET 19 220829/221229=
VA ADVISORY
DTG: 20260422/1200Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SOURCE ELEV: 1325M AMSL
ADVISORY NR: 2026/455
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL070 OBS MOV SW
EST VA DTG: 22/1140Z
EST VA CLD: SFC/FL070 N0131 E12740 - N0128 E12741 - N0118
E12723 - N0127 E12714 - N0136 E12719 MOV SW 05KT
FCST VA CLD +6 HR: 22/1740Z SFC/FL070 N0128 E12741 - N0118
E12722 - N0129 E12716 - N0140 E12721 - N0131 E12740
FCST VA CLD +12 HR: 22/2340Z SFC/FL070 N0131 E12740 - N0128
E12741 - N0118 E12724 - N0128 E12715 - N0138 E12721
FCST VA CLD +18 HR: 23/0540Z SFC/FL070 N0128 E12740 - N0120
E12721 - N0129 E12715 - N0140 E12720 - N0131 E12740
RMK: DISCRETE VA EMISSIONS IDENTIFIABLE ON RECENT SAT
IMAGERY MOV SW. GROUND REPORTS INDICATE ONGOING DISCRETE
EMISSIONS. VA HEIGHT AND MOVEMENT BASED ON SAT IMAGERY,
GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260422/1800Z=
NZZC SIGMET 24 VALID 221159/221228 NZKL-
NZZC NEW ZEALAND FIR CNL SIGMET 17 220828/221228=
NZZC SIGMET 23 VALID 221159/221559 NZKL-
NZZC NEW ZEALAND FIR SEV TURB FCST WI S3940 E17100 - S3850 E17350 -
S3950 E17450 - S4130 E17400 - S4150 E17130 - S4010 E17040 - S3940
E17100 FL210/370 MOV NE 20KT NC=
VAWR7631 WAAF 04221040
[ASHTAM 7631
A]WAAF
B]04220141
C]SEMERU 263300
D]S0806E11255
E]ORANGE ALERT
F]SFC/FL150 S0805 E11300 - S0902 E11252 - S0907
E11219 - S0840 E11155 - S0801 E11254 - S0805 E11300
G]MOV SW 15KT
H]NIL
I]NIL
J]CVGHM, HIMAWARI-9, WEBCAM
K]ERUPTION REPORTED FROM GROUND AT 22/0141Z.
FCST VA CLD +6 HR: 22/1640Z SFC/FL150 S0802 E11255 - S0806
E11300 - S0902 E11302 - S0907 E11227 - S0843 E11201 - S0802
E11255 FCST VA CLD +12 HR: 22/2240Z SFC/FL150 S0802 E11253 - S0805
E11300 - S0908 E11310 - S0907 E11213 - S0822 E11226 - S0802
E11253 FCST VA CLD +18 HR: 23/0440Z SFC/FL150 S0802 E11252 - S0802
E11300 - S0857 E11317 - S0906 E11245 - S0849 E11219 - S0802
E11252 RMK: VA NOT IDENTIFIABLE ON RECENT SAT IMAGERY DUE TO MET
CLOUD. INTERMITTENT VA EMISSIONS EXPECTED TO BE ONGOING. VA
HEIGHT AND MOVEMENT BASED ON SAT IMAGERY, GROUND REPORTS AND
MODEL GUIDANCE.]
KZAK SIGMET SIERRA 2 VALID 221115/221515 PHFO-
OAKLAND OCEANIC FIR EMBD TS OBS AT 1115Z WI N0500 W17715 - N0445
W17415 - N0100 W17530 - N0115 W17815 - N0500 W17715. TOP FL550. MOV
WSW 10KT. NC.
SIGPAP
KZAK SIGMET PAPA 3 VALID 221124/221445 PHFO-
OAKLAND OCEANIC FIR CNL SIGMET PAPA 2 VALID 221045/221445.
TS HAVE WEAKENED.
NZZC SIGMET 22 VALID 221123/221252 NZKL-
NZZC NEW ZEALAND FIR CNL SIGMET 20 220852/221252=
RJJJ SIGMET L03 VALID 221109/221509 RJTD-
RJJJ FUKUOKA FIR SEV TURB FCST WI N3318 E13456 - N3451 E13442 - N3615
E14131 - N3415 E14127 - N3318 E13456 FL070/140 MOV E 20KT WKN=
KZAK SIGMET QUEBEC 2 VALID 221050/221450 PHFO-
OAKLAND OCEANIC FIR EMBD TS OBS AT 1050Z WI N0745 W17145 - N0745
W16730 - N0245 W16745 - N0300 W17100 - N0745 W17145. TOP FL550. MOV W
10KT. NC.
KZAK SIGMET PAPA 2 VALID 221045/221445 PHFO-
OAKLAND OCEANIC FIR EMBD TS OBS AT 1045Z WI N1600 W14915 - N1545
W14645 - N1430 W14715 - N1445 W14915 - N1600 W14915. TOP FL490. STNR.
WKN.
VA ADVISORY
DTG: 20260422/1100Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/459
INFO SOURCE: CVGHM, HIMAWARI-9, WEBCAM
ERUPTION DETAILS: ERUPTION REPORTED FROM GROUND AT 22/0141Z
EST VA DTG: 22/1040Z
EST VA CLD: SFC/FL150 S0805 E11300 - S0902 E11252 - S0907
E11219 - S0840 E11155 - S0801 E11254 MOV SW 15KT
FCST VA CLD +6 HR: 22/1640Z SFC/FL150 S0802 E11255 - S0806
E11300 - S0902 E11302 - S0907 E11227 - S0843 E11201
FCST VA CLD +12 HR: 22/2240Z SFC/FL150 S0802 E11253 - S0805
E11300 - S0908 E11310 - S0907 E11213 - S0822 E11226
FCST VA CLD +18 HR: 23/0440Z SFC/FL150 S0802 E11252 - S0802
E11300 - S0857 E11317 - S0906 E11245 - S0849 E11219
RMK: VA NOT IDENTIFIABLE ON RECENT SAT IMAGERY DUE TO MET
CLOUD. INTERMITTENT VA EMISSIONS EXPECTED TO BE ONGOING. VA
HEIGHT AND MOVEMENT BASED ON SAT IMAGERY, GROUND REPORTS AND
MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260422/1700Z=
VA ADVISORY
DTG: 20260422/1048Z
VAAC: TOKYO
VOLCANO: MAYON 273030
PSN: N1315 E12341
AREA: PHILIPPINES
SOURCE ELEV: 2462M AMSL
ADVISORY NR: 2026/520
INFO SOURCE: HIMAWARI-9 PHIVOLCS
ERUPTION DETAILS: ERUPTION AT 20260422/1030Z FL090 EXTD WSW REPORTED
OBS VA DTG: 22/1030Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL090 100/2KT
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=
NZZO SIGMET 20 VALID 221036/221436 NZKL-
NZZO AUCKLAND OCEANIC FIR SEV TURB FCST WI S5320 W15240 - S5300
W15100 - S5500 W15140 - S5550 W15120 - S5510 W15230 - S5320 W15240
FL240/320 MOV ESE 20KT NC=
RJJJ SIGMET L02 VALID 221037/221437 RJTD-
RJJJ FUKUOKA FIR SEV TURB FCST WI N3318 E13456 - N3451 E13442 - N3615
E14131 - N3415 E14127 - N3318 E13456 FL080/140 MOV E 20KT WKN=
AYPM SIGMET 1 VALID 220955/221355 AYPY-
AYPM PORT MORESBY FIR EMBD TS OBS WI S0350 E14423 - S0512 E14533 -
S0611E14417 - S0444 E14308 - S0350 E14423 TOP FL470 MOV NW 05KT INTSF
=
KZAK SIGMET ROMEO 2 VALID 220950/221350 PHFO-
OAKLAND OCEANIC FIR EMBD TS OBS AT 0950Z WI N0600 W14445 - N0545
W14045 - N0330 W14245 - N0330 W14645 - N0600 W14445. TOP FL520. STNR.
NC.
KZAK SIGMET SIERRA 1 VALID 220905/221305 PHFO-
OAKLAND OCEANIC FIR EMBD TS OBS AT 0905Z WI N0445 W17600 - N0430
W17330 - N0100 W17430 - N0115 W17800 - N0445 W17600. TOP FL530. MOV
WSW 10KT. INTSF.
NFFF SIGMET 05 VALID 221015/221415 NFFN-
NFFF NADI FIR SEV TURB FCST WI S2500 E17100 - S1724 E16930 - S2224
E17936 - S2500 E17924 - S2500 E17100 FL100/360 STNR NC=
VAWR7630 WAAF 04220810
[ASHTAM 7630
A]WAAF
B]04220553
C]LEWOTOBI 264180
D]S0833E12246
E]ORANGE ALERT
F]SFC/FL090 S0833 E12250 - S0846 E12235 - S0843
E12217 - S0827 E12220 - S0822 E12239 - S0827 E12248 - S0833
E12250 G]MOV W 10KT
H]W35 W42
I]NIL
J]CVGHM, HIMAWARI-9
K]VA TO FL090 REP FM GND AT 22/0553Z, MOV W.
FCST VA CLD +6 HR: 22/1410Z SFC/FL090 S0833 E12248 - S0839
E12240 - S0843 E12219 - S0827 E12208 - S0812 E12225 - S0822
E12244 - S0833 E12248
FCST VA CLD +12 HR: 22/2010Z SFC/FL090 S0835 E12250 - S0838
E12220 - S0826 E12205 - S0812 E12216 - S0813 E12241 - S0827
E12254 - S0835 E12250
FCST VA CLD +18 HR: 23/0210Z SFC/FL090 S0835 E12251 - S0838
E12234 - S0828 E12218 - S0807 E12224 - S0809 E12248 - S0828
E12255 - S0835 E12251
RMK: VA NOT IDENTIFIABLE ON CURRENT SAT IMGAGERY DUE TO MET
CLOUD. GROUND REPORTS INDICATE ONGOING DISCRETE ERUPTIONS.
VA HEIGHT AND FORECAST BASED ON SAT IMAGERY, GROUND REPORTS
AND MODEL GUIDANCE.]
NZZC SIGMET 20 VALID 220852/221252 NZKL-
NZZC NEW ZEALAND FIR SEV TURB FCST WI S4120 E17450 - S4120 E17400 -
S4050 E17350 - S4100 E17500 - S4040 E17520 - S4040 E17540 - S4120
E17450 SFC/6000FT STNR WKN=
RJJJ SIGMET L01 VALID 220847/221247 RJTD-
RJJJ FUKUOKA FIR SEV TURB FCST WI N3254 E13225 - N3454 E13210 - N3505
E13845 - N3311 E13839 - N3254 E13225 FL080/140 MOV E 20KT INTSF=
NZZO SIGMET 19 VALID 220833/221233 NZKL-
NZZO AUCKLAND OCEANIC FIR SEV TURB FCST WI S2500 E17250 - S2500
E17920 - S3310 W17040 - S3350 W17910 - S2500 E17250 FL160/330 STNR
NC=
NZZO SIGMET 17 VALID 220825/221225 NZKL-
NZZO AUCKLAND OCEANIC FIR SEV TURB FCST WI S6540 E17120 - S6800
E16300 - S6500 E16300 - S6000 W17730 - S6540 E17120 FL200/310 MOV NE
40KT NC=
NZZO SIGMET 18 VALID 220830/221230 NZKL-
NZZO AUCKLAND OCEANIC FIR SEV TURB FCST WI S3610 W17920 - S4030
W16310 - S4200 W16410 - S3840 W17830 - S3610 W17920 FL270/320 STNR
NC=
VA ADVISORY
DTG: 20260422/0840Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SOURCE ELEV: 1703M AMSL
ADVISORY NR: 2026/55
INFO SOURCE: CVGHM, HIMAWARI-9
ERUPTION DETAILS: VA TO FL090 REP FM GND AT 22/0553Z, MOV W
EST VA DTG: 22/0810Z
EST VA CLD: SFC/FL090 S0833 E12250 - S0846 E12235 - S0843
E12217 - S0827 E12220 - S0822 E12239 - S0827 E12248 MOV W
10KT
FCST VA CLD +6 HR: 22/1410Z SFC/FL090 S0833 E12248 - S0839
E12240 - S0843 E12219 - S0827 E12208 - S0812 E12225 - S0822
E12244
FCST VA CLD +12 HR: 22/2010Z SFC/FL090 S0835 E12250 - S0838
E12220 - S0826 E12205 - S0812 E12216 - S0813 E12241 - S0827
E12254
FCST VA CLD +18 HR: 23/0210Z SFC/FL090 S0835 E12251 - S0838
E12234 - S0828 E12218 - S0807 E12224 - S0809 E12248 - S0828
E12255
RMK: VA NOT IDENTIFIABLE ON CURRENT SAT IMGAGERY DUE TO MET
CLOUD. GROUND REPORTS INDICATE ONGOING DISCRETE ERUPTIONS.
VA HEIGHT AND FORECAST BASED ON SAT IMAGERY, GROUND REPORTS
AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260422/1440Z=
NZZC SIGMET 19 VALID 220829/221229 NZKL-
NZZC NEW ZEALAND FIR SEV TURB FCST WI S4250 E16940 - S4200 E16950 -
S4120 E17020 - S4100 E17120 - S4130 E17450 - S4220 E17430 - S4250
E16940 FL310/470 STNR WKN=
NZZC SIGMET 17 VALID 220828/221228 NZKL-
NZZC NEW ZEALAND FIR SEV TURB FCST WI S3850 E17140 - S3900 E17340 -
S4040 E17520 - S4130 E17440 - S4100 E17120 - S3940 E17110 - S3850
E17140 FL210/370 MOV NE 20KT NC=
VAWR7629 WAAF 04220630
[ASHTAM 7629
A]WAAF
B]04220630
C]DUKONO 268010
D]N0142E12754
E]ORANGE ALERT
F]SFC/FL100 N0140 E12756 - N0131 E12748 - N0120
E12639 - N0149 E12617 - N0216 E12646 - N0145 E12756 - N0140
E12756 G]MOV W 10KT
H]NIL
I]NIL
J]HIMAWARI-9, CVGHM
K]VA TO FL100 OBS ON SAT IMG MOV W.
FCST VA CLD +6 HR: 22/1230Z SFC/FL100 N0145 E12756 - N0138
E12756 - N0117 E12732 - N0124 E12622 - N0158 E12604 - N0219
E12642 - N0158 E12744 - N0145 E12756
FCST VA CLD +12 HR: 22/1830Z SFC/FL100 N0145 E12756 - N0138
E12757 - N0117 E12726 - N0119 E12631 - N0158 E12604 - N0221
E12645 - N0209 E12730 - N0145 E12756
FCST VA CLD +18 HR: 23/0030Z SFC/FL100 N0144 E12757 - N0136
E12756 - N0116 E12727 - N0121 E12636 - N0200 E12615 - N0224
E12650 - N0144 E12757
RMK: CONTINUOUS VA EMISSIONS IDENTIFIABLE ON RGB SATELLITE
IMAGERY MOVING W OF SUMMIT. VA HEIGHT AND FORECAST BASED ON
SAT IMAGERY, GROUND REPORTS AND MODEL GUIDANCE.]
VA ADVISORY
DTG: 20260422/0700Z
VAAC: DARWIN
VOLCANO: DUKONO 268010
PSN: N0142 E12754
AREA: INDONESIA
SOURCE ELEV: 1229M AMSL
ADVISORY NR: 2026/147
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL100 OBS ON SAT IMG MOV W
OBS VA DTG: 22/0630Z
OBS VA CLD: SFC/FL100 N0140 E12756 - N0131 E12748 - N0120
E12639 - N0149 E12617 - N0216 E12646 - N0145 E12756 MOV W
10KT
FCST VA CLD +6 HR: 22/1230Z SFC/FL100 N0145 E12756 - N0138
E12756 - N0117 E12732 - N0124 E12622 - N0158 E12604 - N0219
E12642 - N0158 E12744
FCST VA CLD +12 HR: 22/1830Z SFC/FL100 N0145 E12756 - N0138
E12757 - N0117 E12726 - N0119 E12631 - N0158 E12604 - N0221
E12645 - N0209 E12730
FCST VA CLD +18 HR: 23/0030Z SFC/FL100 N0144 E12757 - N0136
E12756 - N0116 E12727 - N0121 E12636 - N0200 E12615 - N0224
E12650
RMK: CONTINUOUS VA EMISSIONS IDENTIFIABLE ON RGB SATELLITE
IMAGERY MOVING W OF SUMMIT. VA HEIGHT AND FORECAST BASED ON
SAT IMAGERY, GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260422/1300Z=
VAWR7628 WAAF 04220540
[ASHTAM 7628
A]WAAF
B]04211106
C]IBU 268030
D]N0129E12738
E]ORANGE ALERT
F]SFC/FL070 N0128 E12740 - N0119 E12721 - N0125
E12713 - N0135 E12717 - N0135 E12735 - N0131 E12740 - N0128
E12740 G]MOV W 10KT
H]NIL
I]NIL
J]HIMAWARI-9, CVGHM
K]VA TO FL070 REP FM GND AT 22/0437Z.
FCST VA CLD +6 HR: 22/1140Z SFC/FL070 N0128 E12740 - N0121
E12721 - N0133 E12712 - N0142 E12723 - N0131 E12740 - N0128
E12740 FCST VA CLD +12 HR: 22/1740Z SFC/FL070 N0128 E12739 - N0123
E12718 - N0137 E12714 - N0146 E12724 - N0131 E12740 - N0128
E12739 FCST VA CLD +18 HR: 22/2340Z SFC/FL070 N0128 E12740 - N0121
E12722 - N0132 E12714 - N0142 E12724 - N0131 E12739 - N0128
E12740 RMK: VA NOT IDENTIFIABLE ON RECENT SAT IMAGERY DUE TO MET
CLOUD COVER. GROUND REPORTS INDICATE ONGOING DISCRETE
EMISSIONS. VA HEIGHT AND MOVEMENT BASED ON SAT IMAGERY,
GROUND REPORTS AND MODEL GUIDANCE.]
VA ADVISORY
DTG: 20260422/0600Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SOURCE ELEV: 1325M AMSL
ADVISORY NR: 2026/455
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL070 REP FM GND AT 22/0437Z
EST VA DTG: 22/0540Z
EST VA CLD: SFC/FL070 N0128 E12740 - N0119 E12721 - N0125
E12713 - N0135 E12717 - N0135 E12735 - N0131 E12740 MOV W
10KT
FCST VA CLD +6 HR: 22/1140Z SFC/FL070 N0128 E12740 - N0121
E12721 - N0133 E12712 - N0142 E12723 - N0131 E12740
FCST VA CLD +12 HR: 22/1740Z SFC/FL070 N0128 E12739 - N0123
E12718 - N0137 E12714 - N0146 E12724 - N0131 E12740
FCST VA CLD +18 HR: 22/2340Z SFC/FL070 N0128 E12740 - N0121
E12722 - N0132 E12714 - N0142 E12724 - N0131 E12739
RMK: VA NOT IDENTIFIABLE ON RECENT SAT IMAGERY DUE TO MET
CLOUD COVER. GROUND REPORTS INDICATE ONGOING DISCRETE
EMISSIONS. VA HEIGHT AND MOVEMENT BASED ON SAT IMAGERY,
GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260422/1200Z=
VAWR7627 WAAF 04220430
[ASHTAM 7627
A]WAAF
B]04220141
C]SEMERU 263300
D]S0806E11255
E]ORANGE ALERT
F]SFC/FL150 S0801 E11256 - S0805 E11301 - S0902
E11242 - S0901 E11202 - S0828 E11156 - S0801 E11256
G]MOV SW 15KT
H]NIL
I]NIL
J]CVGHM, HIMAWARI-9, WEBCAM
K]VA EMISSION REP FM GND AT 22/0141Z
FCST VA CLD +6 HR: 22/1030Z SFC/FL150 S0801 E11254 - S0805
E11300 - S0901 E11243 - S0905 E11208 - S0827 E11155 - S0801
E11254FCST VA CLD +12 HR: 22/1630Z SFC/FL150 S0802 E11255 - S0806
E11300 - S0902 E11240 - S0902 E11204 - S0829 E11156 - S0802
E11255 FCST VA CLD +18 HR: 22/2230Z SFC/FL150 S0805 E11259 - S0830
E11300 - S0908 E11240 - S0907 E11202 - S0832 E11157 - S0822
E11226 - S0802 E11253 - S0805 E11259
RMK: VA NOT IDENTIFIABLE ON RECENT SAT IMAGERY DUE TO MET
CLOUD. VA EMISSION IS EXPECTED TO BE ONGOING. VA HEIGHT AND
MOVEMENT BASED ON SAT IMAGERY, GROUND REPORTS AND MODEL
GUIDANCE.]
VA ADVISORY
DTG: 20260422/0500Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/458
INFO SOURCE: CVGHM, HIMAWARI-9, WEBCAM
ERUPTION DETAILS: VA EMISSION REP FM GND AT 22/0141Z
EST VA DTG: 22/0430Z
EST VA CLD: SFC/FL150 S0801 E11256 - S0805 E11301 - S0902
E11242 - S0901 E11202 - S0828 E11156 MOV SW 15KT
FCST VA CLD +6 HR: 22/1030Z SFC/FL150 S0801 E11254 - S0805
E11300 - S0901 E11243 - S0905 E11208 - S0827 E11155
FCST VA CLD +12 HR: 22/1630Z SFC/FL150 S0802 E11255 - S0806
E11300 - S0902 E11240 - S0902 E11204 - S0829 E11156
FCST VA CLD +18 HR: 22/2230Z SFC/FL150 S0805 E11259 - S0830
E11300 - S0908 E11240 - S0907 E11202 - S0832 E11157 - S0822
E11226 - S0802 E11253
RMK: VA NOT IDENTIFIABLE ON RECENT SAT IMAGERY DUE TO MET
CLOUD. VA EMISSION IS EXPECTED TO BE ONGOING. VA HEIGHT AND
MOVEMENT BASED ON SAT IMAGERY, GROUND REPORTS AND MODEL
GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260422/1100Z=
VA ADVISORY
DTG: 20260422/0425Z
VAAC: TOKYO
VOLCANO: KANLAON 272020
PSN: N1025 E12308
AREA: PHILIPPINES
SOURCE ELEV: 2435M AMSL
ADVISORY NR: 2026/96
INFO SOURCE: HIMAWARI-9 PHIVOLCS
ERUPTION DETAILS: ERUPTION AT 20260422/0336Z FL100 EXTD W REPORTED
OBS VA DTG: 22/0410Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL100 210/3KT
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: 20260422/0255Z
VAAC: TOKYO
VOLCANO: KANLAON 272020
PSN: N1025 E12308
AREA: PHILIPPINES
SOURCE ELEV: 2435M AMSL
ADVISORY NR: 2026/95
INFO SOURCE: HIMAWARI-9 PHIVOLCS
ERUPTION DETAILS: ERUPTION AT 20260422/0241Z FL090 EXTD W REPORTED
OBS VA DTG: 22/0240Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL090 140/3KT
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: 20260422/0240Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SOURCE ELEV: 1703M AMSL
ADVISORY NR: 2026/54
INFO SOURCE: CVGHM, HIMAWARI-9
ERUPTION DETAILS: GND REP OF VA ERUPTION AT 21/2335Z, MOV W
EST VA DTG: 22/0210Z
EST VA CLD: SFC/FL090 S0834 E12248 - S0848 E12218 - S0829
E12214 - S0826 E12239 - S0831 E12247 MOV W 10KT
FCST VA CLD +6 HR: 22/0810Z SFC/FL090 S0834 E12248 - S0848
E12218 - S0828 E12213 - S0826 E12239 - S0830 E12247
FCST VA CLD +12 HR: 22/1410Z SFC/FL090 S0834 E12248 - S0845
E12218 - S0821 E12215 - S0824 E12244 - S0831 E12247
FCST VA CLD +18 HR: 22/2010Z SFC/FL090 S0835 E12248 - S0845
E12222 - S0821 E12212 - S0814 E12229 - S0826 E12249
RMK: DISCRETE VA EMISSIONS DISCERNIBLE ON RECENT SAT IMG.
RECENT GROUND REPORTS INDICATE VA ERUPTIONS ONGOING. VA
HEIGHT AND FORECAST BASED ON SAT IMAGERY, GROUND REPORTS AND
MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260422/0840Z=
VA ADVISORY
DTG: 20260422/0100Z
VAAC: DARWIN
VOLCANO: DUKONO 268010
PSN: N0142 E12754
AREA: INDONESIA
SOURCE ELEV: 1229M AMSL
ADVISORY NR: 2026/146
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL100 OBS ON SAT IMG MOV W
OBS VA DTG: 22/0030Z
OBS VA CLD: SFC/FL100 N0140 E12757 - N0132 E12735 - N0130
E12653 - N0201 E12652 - N0158 E12735 - N0144 E12757 MOV W
10KT
FCST VA CLD +6 HR: 22/0630Z SFC/FL100 N0141 E12757 - N0131
E12748 - N0117 E12653 - N0154 E12652 - N0145 E12755
FCST VA CLD +12 HR: 22/1230Z SFC/FL100 N0140 E12756 - N0127
E12740 - N0119 E12654 - N0153 E12652 - N0154 E12735 - N0144
E12755
FCST VA CLD +18 HR: 22/1830Z SFC/FL100 N0140 E12756 - N0120
E12653 - N0200 E12652 - N0146 E12756
RMK: CONTINUOUS VA EMISSIONS IDENTIFIABLE ON RGB SATELLITE
IMAGERY MOVING W OF SUMMIT. VA HEIGHT AND FORECAST BASED ON
SAT IMAGERY, GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260422/0700Z=
VA ADVISORY
DTG: 20260422/0000Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SOURCE ELEV: 1325M AMSL
ADVISORY NR: 2026/454
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL070 OBS ON SAT IMG, MOV W
OBS VA DTG: 21/2330Z
OBS VA CLD: SFC/FL070 N0128 E12740 - N0123 E12718 - N0129
E12713 - N0135 E12718 - N0130 E12740 MOV E 05KT
FCST VA CLD +6 HR: 22/0530Z SFC/FL070 N0128 E12740 - N0123
E12719 - N0132 E12712 - N0139 E12720 - N0135 E12736 - N0131
E12740
FCST VA CLD +12 HR: 22/1130Z SFC/FL070 N0128 E12740 - N0124
E12719 - N0135 E12713 - N0142 E12723 - N0136 E12737 - N0131
E12739
FCST VA CLD +18 HR: 22/1730Z SFC/FL070 N0128 E12739 - N0129
E12717 - N0140 E12715 - N0146 E12724 - N0137 E12738 - N0130
E12740
RMK: DISCRETE VA EMISSIONS IDENTIFIABLE ON SATELLITE
IMAGERY, MOVING W. VA HEIGHT AND MOVEMENT BASED ON SAT
IMAGERY, GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260422/0600Z=
VA ADVISORY
DTG: 20260421/2323Z
VAAC: TOKYO
VOLCANO: MAYON 273030
PSN: N1315 E12341
AREA: PHILIPPINES
SOURCE ELEV: 2462M AMSL
ADVISORY NR: 2026/519
INFO SOURCE: HIMAWARI-9 PHIVOLCS
ERUPTION DETAILS: ERUPTION AT 20260421/2255Z FL100 EXTD W REPORTED
OBS VA DTG: 21/2310Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL100 050/6KT
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: 20260421/2300Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/457
INFO SOURCE: CVGHM, HIMAWARI-9, WEBCAM
ERUPTION DETAILS: DISCRETE VA TO FL150 LAST REPORTED
21/2138Z
EST VA DTG: 21/2230Z
EST VA CLD: SFC/FL150 S0807 E11301 - S0856 E11233 - S0858
E11159 - S0825 E11155 - S0800 E11254 MOV SW 10KT
FCST VA CLD +6 HR: 22/0430Z SFC/FL150 S0800 E11254 - S0807
E11301 - S0858 E11234 - S0856 E11158 - S0823 E11155
FCST VA CLD +12 HR: 22/1030Z SFC/FL150 S0802 E11254 - S0808
E11301 - S0859 E11235 - S0857 E11159 - S0821 E11156
FCST VA CLD +18 HR: 22/1630Z SFC/FL150 S0801 E11255 - S0806
E11301 - S0902 E11240 - S0901 E11204 - S0827 E11155
RMK: VA NOT IDENTIFIABLE ON RECENT SAT IMAGERY DUE TO MET
CLOUD. VA EMISSION IS EXPECTED TO BE ONGOING. VA HEIGHT AND
MOVEMENT BASED ON SAT IMAGERY, GROUND REPORTS AND MODEL
GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260422/0500Z=
VA ADVISORY
DTG: 20260421/2206Z
VAAC: TOKYO
VOLCANO: KANLAON 272020
PSN: N1025 E12308
AREA: PHILIPPINES
SOURCE ELEV: 2435M AMSL
ADVISORY NR: 2026/94
INFO SOURCE: HIMAWARI-9 PHIVOLCS
ERUPTION DETAILS: ERUPTION AT 20260421/2148Z FL100 EXTD SW REPORTED
OBS VA DTG: 21/2150Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL100 130/2KT
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: 20260421/2040Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SOURCE ELEV: 1703M AMSL
ADVISORY NR: 2026/53
INFO SOURCE: CVGHM HIMAWARI-9
ERUPTION DETAILS: GROUND REPORT OF VA ERUPTION AT 21/1930Z
EST VA DTG: 21/2020Z
EST VA CLD: SFC/FL090 S0834 E12250 - S0839 E12235 - S0829
E12234 - S0831 E12250 MOV W 10KT
FCST VA CLD +6 HR: 22/0220Z SFC/FL090 S0834 E12249 - S0842
E12230 - S0828 E12229 - S0831 E12249
FCST VA CLD +12 HR: 22/0820Z NO VA EXP
FCST VA CLD +18 HR: 22/1420Z NO VA EXP
RMK: VONA GROUND REPORT 21/1930Z OF ERUPTION WITH VA TO
6509FT MOVING WEST. VA NOT DETECTED ON SATELLITE IMAGERY AND
EXPECTED TO DISSIPATE WITHIN 6-12 HOURS.
NXT ADVISORY: NO LATER THAN 20260422/0240Z=
VA ADVISORY
DTG: 20260421/1900Z
VAAC: DARWIN
VOLCANO: DUKONO 268010
PSN: N0142 E12754
AREA: INDONESIA
SOURCE ELEV: 1229M AMSL
ADVISORY NR: 2026/145
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL100 OBS ON SAT IMG MOV W
OBS VA DTG: 21/1840Z
OBS VA CLD: SFC/FL100 N0140 E12756 - N0119 E12726 - N0116
E12659 - N0152 E12659 - N0153 E12737 - N0145 E12757 MOV W
10KT
FCST VA CLD +6 HR: 22/0040Z SFC/FL100 N0144 E12757 - N0139
E12757 - N0119 E12726 - N0114 E12659 - N0156 E12700 - N0155
E12734
FCST VA CLD +12 HR: 22/0640Z SFC/FL100 N0146 E12756 - N0140
E12759 - N0121 E12741 - N0107 E12713 - N0139 E12658
FCST VA CLD +18 HR: 22/1240Z SFC/FL100 N0145 E12757 - N0139
E12756 - N0118 E12726 - N0112 E12659 - N0151 E12659 - N0152
E12738
RMK: CONTINUOUS VA EMISSIONS IDENTIFIABLE ON RGB SATELLITE
IMAGERY MOVING W OF SUMMIT. VA HEIGHT AND FORECAST BASED ON
SAT IMAGERY, GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260422/0100Z=
VA ADVISORY
DTG: 20260421/1800Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SOURCE ELEV: 1325M AMSL
ADVISORY NR: 2026/453
INFO SOURCE: HIMAWARI-9 CVGHM
ERUPTION DETAILS: VA TO FL070 OBS ON SAT IMG MOV W
EST VA DTG: 21/1740Z
EST VA CLD: SFC/FL070 N0130 E12740 - N0128 E12740 - N0119
E12719 - N0131 E12713 - N0141 E12721 MOV W 05KT
FCST VA CLD +6 HR: 21/2340Z SFC/FL070 N0128 E12740 - N0117
E12720 - N0127 E12713 - N0138 E12717 - N0130 E12740
FCST VA CLD +12 HR: 22/0540Z SFC/FL070 N0127 E12740 - N0117
E12720 - N0128 E12715 - N0138 E12718 - N0131 E12740
FCST VA CLD +18 HR: 22/1140Z SFC/FL070 N0127 E12740 - N0118
E12719 - N0130 E12713 - N0139 E12720 - N0131 E12740
RMK: DISCRETE VA EMISSIONS PARTIALLY IDENTIFIABLE ON
SATELLITE IMAGERY MOVING W. INTERMITTENT ERUPTIONS EXPECTED
TO BE ONGOING. VA HEIGHT AND MOVEMENT BASED ON SAT IMAGERY,
GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260422/0000Z=
VA ADVISORY
DTG: 20260421/1700Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/456
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: DISCRETE VA TO FL150 LAST REPORTED
21/0728Z
EST VA DTG: 21/1640Z
EST VA CLD: SFC/FL150 S0800 E11252 - S0805 E11303 - S0855
E11249 - S0834 E11206 MOV SW 05KT
FCST VA CLD +6 HR: 21/2240Z SFC/FL150 S0800 E11254 - S0806
E11302 - S0900 E11236 - S0830 E11156
FCST VA CLD +12 HR: 22/0440Z SFC/FL150 S0759 E11255 - S0806
E11303 - S0859 E11236 - S0833 E11201
FCST VA CLD +18 HR: 22/1040Z SFC/FL150 S0800 E11253 - S0808
E11303 - S0857 E11235 - S0830 E11202
RMK: VA NOT IDENTIFIABLE ON RECENT SAT IMAGERY DUE TO MET
CLOUD. VA EMISSION IS EXPECTED TO BE ONGOING. VA HEIGHT AND
MOVEMENT BASED ON SAT IMAGERY, GROUND REPORTS AND MODEL
GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260421/2300Z=
VA ADVISORY
DTG: 20260421/1450Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SOURCE ELEV: 1703M AMSL
ADVISORY NR: 2026/52
INFO SOURCE: CVGHM HIMAWARI-9
ERUPTION DETAILS: GROUND REPORT OF ERUPTION 21/0935Z WITH VA
TO FL090 MOV W
EST VA DTG: 21/1420Z
EST VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND
SFC/FL090 070/10KT
FCST VA CLD +6 HR: 21/2020Z NO VA EXP
FCST VA CLD +12 HR: 22/0220Z NO VA EXP
FCST VA CLD +18 HR: 22/0820Z NO VA EXP
RMK: VONA GROUND REPORT 21/0935Z OF ERUPTION WITH VA TO
8269FT MOVING WEST. VA HAS NOT BEEN DETECTED ON SATELLITE
IMAGERY. ASH FROM EARLIER ERUPTION IS EXPECTED TO HAVE
DISSIPATED. ADVISORY FINALISED.
NXT ADVISORY: NO FURTHER ADVISORIES=
VA ADVISORY
DTG: 20260421/1300Z
VAAC: DARWIN
VOLCANO: DUKONO 268010
PSN: N0142 E12754
AREA: INDONESIA
SOURCE ELEV: 1229M AMSL
ADVISORY NR: 2026/144
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL090 OBS ON SAT IMG MOV SW
OBS VA DTG: 21/1240Z
OBS VA CLD: SFC/FL090 N0146 E12754 - N0142 E12759 - N0127
E12753 - N0058 E12734 - N0109 E12716 - N0144 E12725 MOV SW
05KT
FCST VA CLD +6 HR: 21/1840Z SFC/FL090 N0145 E12756 - N0141
E12758 - N0119 E12726 - N0116 E12659 - N0152 E12659
FCST VA CLD +12 HR: 22/0040Z SFC/FL090 N0144 E12757 - N0140
E12757 - N0119 E12726 - N0116 E12659 - N0153 E12659
FCST VA CLD +18 HR: 22/0640Z SFC/FL090 N0146 E12756 - N0140
E12759 - N0121 E12741 - N0107 E12713 - N0136 E12658
RMK: CONTINUOUS VA EMISSIONS IDENTIFIABLE ON RGB SATELLITE
IMAGERY MOVING SW OF SUMMIT. VA HEIGHT AND FORECAST BASED ON
SAT IMAGERY, GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260421/1900Z=
