International SIGMET

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IDV60074
** BUREAU of METEOROLOGY - Melbourne **
** INTERNATIONAL SIGMETS ** 20:40 UTC, 17/04/2021
--------------------------------------------------------------------

RJJJ SIGMET C02 VALID 171816/172216 RJTD-
RJJJ FUKUOKA FIR SEV TURB FCST WI N3431 E15414 - N3455 E14643 - N4058
E14807 - N4054 E15643 - N3431 E15414 FL360/410 MOV ENE 20KT NC=

VAWR1398 WAAF 04171755
[ASHTAM 1398
A]WAAF
B]03252225
C]DUKONO 268010
D]N0141E12753
E]ORANGE ALERT
F]SFC/FL070 N0139 E12753 - N0142 E12751 - N0252
E12851 - N0219 E12919
G]MOV NE 25KT
H]NIL
I]NIL
J]HIMAWARI-8
K]CONTINUOUS VA EMISSION TO FL070, LAST OBS EXT NE AT 17/0850Z.
FCST VA CLD +6 HR: 17/2355Z SFC/FL070 N0141 E12751 - N0252
E12851 - N0220 E12919 - N0139 E12753
FCST VA CLD +12 HR: 18/0555Z SFC/FL070 N0142 E12751 - N0245
E12902 - N0213 E12924 - N0138 E12753
FCST VA CLD +18 HR: 18/1155Z SFC/FL070 N0142 E12751 - N0242
E12904 - N0205 E12925 - N0138 E12753
RMK: VA NOT DISCERNIBLE ON LATEST SATELLITE IMAGERY DUE TO
OBCURATION BY MET CLOUD, HOWEVER, ERUPTION LIKELY TO BE
ONGOING. VA HEIGHT AND MOVEMENT BASED ON HIMAWARI-8 IMAGERY
AND MODEL GUIDANCE. **CORRECTION FOR T+18 FCST HEIGHT** ]

VA ADVISORY
DTG: 20210417/1801Z

VAAC: WASHINGTON

VOLCANO: FUEGO 342090
PSN: N1428 W09052

AREA: GUATEMALA

SUMMIT ELEV: 12346 FT [3763 M]

ADVISORY NR: 2021/329

INFO SOURCE: GOES-16. WEBCAM. NWP MODELS.

ERUPTION DETAILS: OCNL VA EMS.

OBS VA DTG: 17/1730Z

OBS VA CLD: SFC/FL140 N1428 W09053 - N1422 W09043
- N1417 W09047 - N1427 W09054 - N1428 W09053 MOV
SW 5KT

FCST VA CLD +6HR: 17/2330Z SFC/FL140 N1428 W09052
- N1409 W09042 - N1406 W09053 - N1427 W09054 -
N1428 W09052

FCST VA CLD +12HR: 18/0530Z NO VA EXP

FCST VA CLD +18HR: 18/1130Z NO VA EXP

RMK: VA OBSD EXTDG 10 NMI SW FM SUMMIT. WEBCAM
SHOWS FRQT ACT WITH VA EMS AT 1744Z, 1749Z AND
1752Z. NWP MDLS FCST VA TO MOV SSW BY T+6HRS.
...HOSLEY

NXT ADVISORY: WILL BE ISSUED BY 20210418/0000Z

VAWR1397 WAAF 04171745
[ASHTAM 1397
A]WAAF
B]03252225
C]DUKONO 268010
D]N0141E12753
E]ORANGE ALERT
F]SFC/FL070 N0139 E12753 - N0142 E12751 - N0248
E12853 - N0217 E12921
G]MOV NE 25KT
H]NIL
I]NIL
J]HIMAWARI-8
K]CONTINUOUS VA EMISSION TO FL070, LAST OBS EXT NE AT 17/0850Z.
FCST VA CLD +6 HR: 17/2345Z SFC/FL070 N0139 E12753 - N0142
E12751 - N0249 E12850 - N0219 E12919
FCST VA CLD +12 HR: 18/0545Z SFC/FL070 N0141 E12751 - N0249
E12853 - N0217 E12921 - N0139 E12753
FCST VA CLD +18 HR: 18/1145Z SFC/FL630 N0142 E12751 - N0239
E12905 - N0203 E12926 - N0138 E12753
RMK: VA NOT DISCERNIBLE ON LATEST SATELLITE IMAGERY DUE TO
OBCURATION BY MET CLOUD, HOWEVER, ERUPTION LIKELY TO BE
ONGOING. VA HEIGHT AND MOVEMENT BASED ON HIMAWARI-8 IMAGERY
AND MODEL GUIDANCE.]

VA ADVISORY
DTG: 20210417/1755Z
VAAC: DARWIN
VOLCANO: DUKONO 268010
PSN: N0141 E12753
AREA: INDONESIA
SUMMIT ELEV: 1335M
ADVISORY NR: 2021/272
INFO SOURCE: HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: CONTINUOUS VA EMISSION TO FL070, LAST OBS
EXT NE AT 17/0850Z
EST VA DTG: 17/1755Z
EST VA CLD: SFC/FL070 N0139 E12753 - N0142 E12751 - N0252
E12851 - N0219 E12919 MOV NE 25KT
FCST VA CLD +6 HR: 17/2355Z SFC/FL070 N0141 E12751 - N0252
E12851 - N0220 E12919 - N0139 E12753
FCST VA CLD +12 HR: 18/0555Z SFC/FL070 N0142 E12751 - N0245
E12902 - N0213 E12924 - N0138 E12753
FCST VA CLD +18 HR: 18/1155Z SFC/FL070 N0142 E12751 - N0242
E12904 - N0205 E12925 - N0138 E12753
RMK: VA NOT DISCERNIBLE ON LATEST SATELLITE IMAGERY DUE TO
OBCURATION BY MET CLOUD, HOWEVER, ERUPTION LIKELY TO BE
ONGOING. VA HEIGHT AND MOVEMENT BASED ON HIMAWARI-8 IMAGERY
AND MODEL GUIDANCE. **CORRECTION FOR T+18 FCST HEIGHT**
NXT ADVISORY: NO LATER THAN 20210417/2355Z=

RJJJ SIGMET A05 VALID 171745/172145 RJTD-
RJJJ FUKUOKA FIR SEV TURB FCST WI N3551 E14027 - N4118 E14218 - N4137
E14759 - N3703 E14443 - N3551 E14027 FL290/370 MOV ENE 20KT WKN=

VA ADVISORY
DTG: 20210417/1745Z
VAAC: DARWIN
VOLCANO: DUKONO 268010
PSN: N0141 E12753
AREA: INDONESIA
SUMMIT ELEV: 1335M
ADVISORY NR: 2021/271
INFO SOURCE: HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: CONTINUOUS VA EMISSION TO FL070, LAST OBS
EXT NE AT 17/0850Z
EST VA DTG: 17/1745Z
EST VA CLD: SFC/FL070 N0139 E12753 - N0142 E12751 - N0248
E12853 - N0217 E12921 MOV NE 25KT
FCST VA CLD +6 HR: 17/2345Z SFC/FL070 N0139 E12753 - N0142
E12751 - N0249 E12850 - N0219 E12919
FCST VA CLD +12 HR: 18/0545Z SFC/FL070 N0141 E12751 - N0249
E12853 - N0217 E12921 - N0139 E12753
FCST VA CLD +18 HR: 18/1145Z SFC/FL630 N0142 E12751 - N0239
E12905 - N0203 E12926 - N0138 E12753
RMK: VA NOT DISCERNIBLE ON LATEST SATELLITE IMAGERY DUE TO
OBCURATION BY MET CLOUD, HOWEVER, ERUPTION LIKELY TO BE
ONGOING. VA HEIGHT AND MOVEMENT BASED ON HIMAWARI-8 IMAGERY
AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20210417/2345Z=

VA ADVISORY
DTG: 20210417/1705Z

VAAC: WASHINGTON

VOLCANO: SANGAY 352090
PSN: S0200 W07820

AREA: ECUADOR

SUMMIT ELEV: 17159 FT [5230 M]

ADVISORY NR: 2021/377

INFO SOURCE: GOES-16. WEBCAM. NWP MODELS.

ERUPTION DETAILS: POSSIBLE ONGOING VA EMS.
REMNANT VA.

OBS VA DTG: 17/1640Z

OBS VA CLD: SFC/FL200 S0153 W07838 - S0159 W07820
- S0201 W07819 - S0203 W07839 - S0153 W07838 MOV
W 10KT SFC/FL240 S0131 W07858 - S0133 W07844 -
S0150 W07836 - S0202 W07858 - S0143 W07920 -
S0131 W07858 MOV W 10KT

FCST VA CLD +6HR: 17/2230Z SFC/FL200 S0153 W07840
- S0159 W07819 - S0200 W07818 - S0204 W07841 -
S0153 W07840 SFC/FL240 S0123 W08028 - S0134
W07956 - S0210 W08020 - S0149 W08053 - S0123
W08028

FCST VA CLD +12HR: 18/0430Z NO VA EXP

FCST VA CLD +18HR: 18/1030Z NO VA EXP

RMK: VA FM EARLIER EM CLEARLY NOTED IN VOLCAT
PROD. OTHER ACT LIKELY ONGOING DUE TO PAST RECENT
HISTORY OF VOLCANO. NOTHING SEEN DUE TO DENSE WX
CLDS. ...LEE

NXT ADVISORY: WILL BE ISSUED BY 20210417/2300Z

VA ADVISORY
DTG: 20210417/1646Z

VAAC: WASHINGTON

VOLCANO: REVENTADOR 352010
PSN: S0004 W07739

AREA: ECUADOR

SUMMIT ELEV: 11686 FT [3562 M]

ADVISORY NR: 2021/282

INFO SOURCE: GOES-16. WEBCAM. NWP MODELS.

ERUPTION DETAILS: ONGOING VA EMS.

OBS VA DTG: 17/1620Z

OBS VA CLD: SFC/FL150 N0005 W07752 - S0004 W07739
- S0005 W07741 - S0002 W07755 - N0005 W07752 MOV
NW 10KT

FCST VA CLD +6HR: 17/2230Z SFC/FL150 N0005 W07754
- S0004 W07739 - S0005 W07740 - S0004 W07755 -
N0005 W07754

FCST VA CLD +12HR: 18/0430Z SFC/FL150 N0003
W07755 - S0004 W07740 - S0005 W07739 - S0005
W07756 - N0003 W07755

FCST VA CLD +18HR: 18/1030Z NO VA EXP

RMK: INTERMITTENT VA EMS SEEN IN CLD BREAKS IN
WEB CAM. NOTHING SEEN IN STLT IMAGERY DUE TO
DENSE WX CLD COVER. VA MOV TO WNW OR NW BASED ON
NWP MDL DATA. ...LEE

NXT ADVISORY: WILL BE ISSUED BY 20210417/2245Z

VA ADVISORY
DTG: 20210417/1535Z

VAAC: WASHINGTON

VOLCANO: SOUFRIERE ST VINCENT 360150
PSN: N1319 W06110

AREA: W?INDIES

SUMMIT ELEV: 3865 FT [1178 M]

ADVISORY NR: 2021/046

INFO SOURCE: GOES-16. PILOT RPRT.

ERUPTION DETAILS: REMNANT VA.

OBS VA DTG: 17/1510Z

OBS VA CLD: SFC/FL150 N1515 W05955 - N1359 W05934
- N1359 W06124 - N1330 W06608 - N1436 W06612 -
N1511 W06338 - N1515 W05955 MOV SW 5KT

FCST VA CLD +6HR: 17/2100Z NO VA EXP

FCST VA CLD +12HR: 18/0300Z NO VA EXP

FCST VA CLD +18HR: 18/0900Z NO VA EXP

RMK: MOSTLY GASES AND PERHAPS SOME VA REMAINS
SUSPENDED IN THE HIGHLIGHTED AREA. THIS
CORRELATES WELL WITH RECENT PIREPS. NEW EXPLOSIVE
EMS MAY OCCUR WITHOUT WARNING. ...LEE

NXT ADVISORY: WILL BE ISSUED BY 20210417/2130Z

VA ADVISORY
DTG: 20210417/1522Z

VAAC: WASHINGTON

VOLCANO: SEMISOPOCHNOI
PSN: N5156 E17937

AREA: ALEUTIAN.IS

SUMMIT ELEV: 4006 FT [1221 M]

ADVISORY NR: 2021/003

INFO SOURCE: NOT PROVIDED

ERUPTION DETAILS: NOT PROVIDED

OBS VA DTG: NOT PROVIDED

OBS VA CLD: NOT PROVIDED

FCST VA CLD +6HR: NOT PROVIDED

FCST VA CLD +12HR: NOT PROVIDED

FCST VA CLD +18HR: NOT PROVIDED

RMK: PLEASE SEE FVAK21 PAWU 171500 ISSUED BY THE
ANCHORAGE VAAC THAT DESCRIBES CONDITIONS NEAR THE
WASHINGTON VAAC AREA OF RESPONSIBILITY. ...LEE

NXT ADVISORY: WILL BE ISSUED BY 20210417/2115Z

VAAAK1
VA ADVISORY

DTG: 20210417/1500Z

VAAC: ANCHORAGE

VOLCANO: SEMISOPOCHNOI 311060

PSN: N5156 E17935

AREA: ALEUTIAN ISLANDS

SUMMIT ELEV: 4006 FT [1221 M]

ADVISORY NR: 2021/010

INFO SOURCE: HIMAWARI/GOES/AVO

AVIATION COLOR CODE: RED

ERUPTION DETAILS: VA EMISSIONS LIKELY CONTINUE

OBS VA DTG: 17/1500Z

OBS VA CLD: SFC/FL100 N5301 W17908 - N5050 W17806 - N5046 E17904
- N5257 E17836 - N5259 W17908 - N5301 W17908 MOV S 20KT.

FCST VA CLD +6HR: 17/2100Z SFC/FL100 N5008 W17735 - N4956 E17854
- N5254 E17826 - N5300 W17909 - N5008 W17731 - N5009 W17732 -
N5008 W17735.

FCST VA CLD +12HR: 18/0300Z SFC/FL100 N5300 W17909 - N4920
W17703 - N4827 E17949 - N5230 E17845 - N5257 W17910 - N5300
W17909 - N5300 W17909.

FCST VA CLD +18HR: 18/0900Z NO VA EXP.

RMK: VA OBSCURED IN MET CLOUDS.

NXT ADVISORY: WILL BE ISSUED BY 20210417/2100Z

KH APR 2021 AAWU=

VAAAK1
VA ADVISORY

DTG: 20210417/1500Z

VAAC: ANCHORAGE

VOLCANO: SEMISOPOCHNOI 311060

PSN: N5156 E17935

AREA: ALEUTIAN ISLANDS

SUMMIT ELEV: 4006 FT [1221 M]

ADVISORY NR: 2021/010

INFO SOURCE: HIMAWARI/GOES/AVO

AVIATION COLOR CODE: RED

ERUPTION DETAILS: VA EMISSIONS LIKELY CONTINUE

OBS VA DTG: 17/1500Z

OBS VA CLD: SFC/FL100 N5301 W17908 - N5050 W17806 - N5046 E17904
- N5257 E17836 - N5259 W17908 - N5301 W17908 MOV S 20KT.

FCST VA CLD +6HR: 17/2100Z SFC/FL100 N5008 W17735 - N4956 E17854
- N5254 E17826 - N5300 W17909 - N5008 W17731 - N5009 W17732 -
N5008 W17735.

FCST VA CLD +12HR: 18/0300Z SFC/FL100 N5300 W17909 - N4920
W17703 - N4827 E17949 - N5230 E17845 - N5257 W17910 - N5300
W17909 - N5300 W17909.

FCST VA CLD +18HR: 18/0900Z NO VA EXP.

RMK: VA OBSCURED IN MET CLOUDS.

NXT ADVISORY: WILL BE ISSUED BY 20210417/2100Z

KH APR 2021 AAWU

VA ADVISORY
DTG: 20210417/1450Z

VAAC: BUENOS AIRES

VOLCANO: SABANCAYA 354006
PSN: S1547 W07150

AREA: PERU

SUMMIT ELEV: 19576 FT [5967 M]

ADVISORY NR: 2021/448

INFO SOURCE: GOES-E. WEBCAM. VOLCAT.

AVIATION COLOUR CODE: NOT GIVEN

ERUPTION DETAILS: INTERMITTENT EMISSIONS

OBS VA DTG: 17/1410Z

OBS VA CLD: SFC/FL250 S1507 W07214 - S1528 W07153
- S1542 W07145 - S1549 W07149 - S1549 W07159 -
S1523 W07232 - S1510 W07227 - S1507 W07214 MOV NW
15KT

FCST VA CLD +6 HR: 17/2000Z SFC/FL250 S1456 W07225
- S1458 W07208 - S1532 W07143 - S1550 W07147 -
S1541 W07204 - S1512 W07230 - S1456 W07225

FCST VA CLD +12 HR: 18/0200Z SFC/FL250 S1449
W07219 - S1543 W07145 - S1548 W07148 - S1549
W07155 - S1504 W07242 - S1449 W07235 - S1449
W07219

FCST VA CLD +18 HR: 18/0800Z SFC/FL250 S1443
W07216 - S1449 W07200 - S1516 W07146 - S1541
W07146 - S1549 W07150 - S1546 W07156 - S1456
W07220 - S1443 W07216

RMK: VA PULSES MOV NW ARE DETECTED IN STLT
IMAGERY. WEBCAM SHOWS CONT EMS OF GASES WITH
INTERMITTENT PUFFS OF VA. ...SMN

NXT ADVISORY: WILL BE ISSUED BY 20210417/2050Z=

VA ADVISORY
DTG: 20210417/1403Z

VAAC: WASHINGTON

VOLCANO: SANGAY 352090
PSN: S0200 W07820

AREA: ECUADOR

SUMMIT ELEV: 17159 FT [5230 M]

ADVISORY NR: 2021/376

INFO SOURCE: WEBCAM. NWP MODELS.

ERUPTION DETAILS: ONGOING VA EMS.

OBS VA DTG: 17/1340Z

OBS VA CLD: SFC/FL220 S0147 W07847 - S0158 W07819
- S0201 W07819 - S0211 W07848 - S0147 W07847 MOV
W 10KT

FCST VA CLD +6HR: 17/1930Z SFC/FL220 S0143 W07859
- S0158 W07819 - S0201 W07820 - S0214 W07901 -
S0143 W07859

FCST VA CLD +12HR: 18/0130Z NO VA EXP

FCST VA CLD +18HR: 18/0730Z NO VA EXP

RMK: RECENT LARGER PUFF NOTED IN WEB CAM AND IN
VOLCAT PROD. VA MOV TO W OF SUMMIT. ...LEE

NXT ADVISORY: WILL BE ISSUED BY 20210417/2000Z

VA ADVISORY
DTG: 20210417/1209Z

VAAC: WASHINGTON

VOLCANO: FUEGO 342090
PSN: N1428 W09052

AREA: GUATEMALA

SUMMIT ELEV: 12346 FT [3763 M]

ADVISORY NR: 2021/328

INFO SOURCE: GOES-16. WEBCAM. NWP MODELS.

ERUPTION DETAILS: ONGOING VA EMS.

OBS VA DTG: 17/1120Z

OBS VA CLD: SFC/FL150 N1429 W09054 - N1429 W09052
- N1417 W09050 - N1417 W09057 - N1429 W09054 MOV
S 5KT

FCST VA CLD +6HR: 17/1730Z NO VA EXP

FCST VA CLD +12HR: 17/2330Z NO VA EXP

FCST VA CLD +18HR: 18/0530Z NO VA EXP

RMK: SMALL PUFFS NOTED IN WEB CAM BUT NOT SEEN IN
STLT IMAGERY DUE TO SMALL SCALE OF EMS. VA MOV TO
S AND SSW BASED ON MDL WINDS AND PREV UPDATE.
...LEE

NXT ADVISORY: WILL BE ISSUED BY 20210417/1815Z

VAWR1396 WAAF 04171145
[ASHTAM 1396
A]WAAF
B]03252225
C]DUKONO 268010
D]N0141E12753
E]ORANGE ALERT
F]SFC/FL070 N0139 E12753 - N0142 E12751 - N0248
E12853 - N0217 E12920
G]MOV NE 25KT
H]NIL
I]NIL
J]HIMAWARI-8
K]CONTINUOUS VA EMISSION TO FL070, LAST OBS EXT NE AT 17/0850Z
FCST VA CLD +6 HR: 17/1745Z SFC/FL070 N0139 E12753 - N0142
E12751 - N0248 E12853 - N0217 E12921
FCST VA CLD +12 HR: 17/2345Z SFC/FL070 N0139 E12753 - N0142
E12751 - N0249 E12850 - N0219 E12919
FCST VA CLD +18 HR: 18/0545Z SFC/FL070 N0141 E12751 - N0249
E12853 - N0217 E12921 - N0139 E12753
RMK: VA NOT DISCERNIBLE ON LATEST SATELLITE IMAGERY DUE TO
OBCURATION BY MET CLOUD, HOWEVER, ERUPTION LIKELY TO BE
ONGOING. VA HEIGHT AND MOVEMENT BASED ON HIMAWARI-8 IMAGERY
AND MODEL GUIDANCE.]

VA ADVISORY
DTG: 20210417/1150Z
VAAC: TOKYO
VOLCANO: SHEVELUCH 300270
PSN: N5639 E16122
AREA: RUSSIA
SUMMIT ELEV: 3283M
ADVISORY NR: 2021/15
INFO SOURCE: HIMAWARI-8
AVIATION COLOUR CODE: NIL
ERUPTION DETAILS: VA DISSIPATED ON SATELLITE IMAGERY
OBS VA DTG: 17/1120Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL180 290/53KT

FCST VA CLD +6 HR: NO VA EXP
FCST VA CLD +12 HR: NO VA EXP
FCST VA CLD +18 HR: NO VA EXP
RMK: NIL
NXT ADVISORY: NO FURTHER ADVISORIES=

VA ADVISORY
DTG: 20210417/1140Z

VAAC: WASHINGTON

VOLCANO: SOUFRIERE ST VINCENT 360150
PSN: N1319 W06110

AREA: W?INDIES

SUMMIT ELEV: 3865 FT [1178 M]

ADVISORY NR: 2021/045

INFO SOURCE: GOES-16.

ERUPTION DETAILS: REMNANT VA.

OBS VA DTG: 25/1110Z

OBS VA CLD: SFC/FL150 N1532 W05920 - N1349 W05840
- N1305 W06020 - N1414 W06035 - N1335 W06444 -
N1438 W06404 - N1532 W05920 MOV S 5KT

FCST VA CLD +6HR: 25/1700Z NO VA EXP

FCST VA CLD +12HR: 25/2300Z NO VA EXP

FCST VA CLD +18HR: 26/0500Z NO VA EXP

RMK: FAINT SIGNAL OF REMNANT VA NOTED IN IR STLT
IMAGERY. THIS AREA SHOULD DISPERSE AS IT DRIFTS S
OVER NEXT 6 HRS. EXPLOSIVE EMS MAY OCCUR WITHOUT
WARNING. ...LEE

NXT ADVISORY: WILL BE ISSUED BY 20210417/1745Z

VA ADVISORY
DTG: 20210417/1145Z
VAAC: DARWIN
VOLCANO: DUKONO 268010
PSN: N0141 E12753
AREA: INDONESIA
SUMMIT ELEV: 1335M
ADVISORY NR: 2021/270
INFO SOURCE: HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: CONTINUOUS VA EMISSION TO FL070, LAST OBS
EXT NE AT 17/0850Z
EST VA DTG: 17/1145Z
EST VA CLD: SFC/FL070 N0139 E12753 - N0142 E12751 - N0248
E12853 - N0217 E12920 MOV NE 25KT
FCST VA CLD +6 HR: 17/1745Z SFC/FL070 N0139 E12753 - N0142
E12751 - N0248 E12853 - N0217 E12921
FCST VA CLD +12 HR: 17/2345Z SFC/FL070 N0139 E12753 - N0142
E12751 - N0249 E12850 - N0219 E12919
FCST VA CLD +18 HR: 18/0545Z SFC/FL070 N0141 E12751 - N0249
E12853 - N0217 E12921 - N0139 E12753
RMK: VA NOT DISCERNIBLE ON LATEST SATELLITE IMAGERY DUE TO
OBCURATION BY MET CLOUD, HOWEVER, ERUPTION LIKELY TO BE
ONGOING. VA HEIGHT AND MOVEMENT BASED ON HIMAWARI-8 IMAGERY
AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20210417/1745Z=

VAWR2230 WIIF 04171045
[ASHTAM 2230
A]WIIF
B]04171031
C]SINABUNG 261080
D]N0310E09824
E]ORANGE ALERT
F]SFC/FL100 VA NOT IDENTIFIABLE FM SATELLITE
G]WIND 350/05KT
H]NIL
I]NIL
J]CVGHM
K]VA ERUPTION AT 17/1031Z REPORTED TO FL100 MOV S
FCST VA CLD +6 HR: 17/1645Z NO VA EXP
FCST VA CLD +12 HR: 17/2245Z NO VA EXP
FCST VA CLD +18 HR: 18/0445Z NO VA EXP
RMK: VA REPORTED BY CVGHM TO FL100 MOV S. VA NOT DISCERNIBLE
ON LATEST SAT IMG DUE TO MET CLOUD. ADVISORY WILL BE UPDATED
IF NEW INFORMATION IS RECEIVED.]

VA ADVISORY
DTG: 20210417/1056Z

VAAC: WASHINGTON

VOLCANO: REVENTADOR 352010
PSN: S0004 W07739

AREA: ECUADOR

SUMMIT ELEV: 11686 FT [3562 M]

ADVISORY NR: 2021/281

INFO SOURCE: GOES-16. WEBCAM. NWP MODELS.

ERUPTION DETAILS: ONGOING VA EMS

OBS VA DTG: 17/1010Z

OBS VA CLD: SFC/FL140 N0002 W07802 - S0004 W07739
- S0005 W07740 - S0003 W07804 - N0002 W07802 MOV
W 5KT

FCST VA CLD +6HR: 17/1600Z SFC/FL140 N0009 W07759
- S0004 W07740 - S0005 W07739 - N0004 W07802 -
N0009 W07759

FCST VA CLD +12HR: 17/2200Z NO VA EXP

FCST VA CLD +18HR: 18/0400Z NO VA EXPNO VA EXP

RMK: VA NOT DETECTED ON STLT DUE TO WX CLDS IN
AREA BUT WEBCAM SHOWS SUMMIT ACTV WITH LIKELY
SMALL VA EMS MOVG WNW. OCNL HOTSPOT NOTED ON
SWIR. MDL WINDS FCST TO VEER NXT 6 HR BECMG MORE
FM THE SE. ...KONON

NXT ADVISORY: WILL BE ISSUED BY 20210417/1700Z

VA ADVISORY
DTG: 20210417/1047Z

VAAC: WASHINGTON

VOLCANO: REVENTADOR 352010
PSN: S0004 W07739

AREA: ECUADOR

SUMMIT ELEV: 11686 FT [3562 M]

ADVISORY NR: 2021/281

INFO SOURCE: GOES-16. WEBCAM. NWP MODELS.

ERUPTION DETAILS: ONGOING VA EMS

OBS VA DTG: 17/1010Z

OBS VA CLD: SFC/FL140 N0002 W07802 - S0004 W07739
- S0005 W07740 - S0003 W07804 - N0002 W07802 MOV
W 5KT

FCST VA CLD +6HR: 17/1600Z SFC/FL140 N0009 W07759
- S0004 W07740 - S0005 W07739 - N0004 W07802 -
N0009 W07759

FCST VA CLD +12HR: 17/2200Z NO VA EXP

FCST VA CLD +18HR: 18/0400Z NO VA EXP

RMK: VA NOT DETECTED ON STLT DUE TO WX CLDS IN
AREA BUT WEBCAM SHOWS SUMMIT ACTV WITH LIKELY
SMALL VA EMS MOVG WNW. OCNL HOTSPOT NOTED ON
SWIR. MDL WINDS FCST TO VEER NXT 6 HR BECMG MORE
FM THE SE. ...KONON

NXT ADVISORY: WILL BE ISSUED BY 20210417/1645Z

VA ADVISORY
DTG: 20210417/1045Z
VAAC: DARWIN
VOLCANO: SINABUNG 261080
PSN: N0310 E09824
AREA: INDONESIA
SUMMIT ELEV: 2460M
ADVISORY NR: 2021/103
INFO SOURCE: HIMAWARI-8, CVGHM
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA ERUPTION AT 17/1031Z REPORTED TO FL100
MOV S
OBS VA DTG: 17/1045Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND
SFC/FL100 350/05KT
FCST VA CLD +6 HR: 17/1645Z NO VA EXP
FCST VA CLD +12 HR: 17/2245Z NO VA EXP
FCST VA CLD +18 HR: 18/0445Z NO VA EXP
RMK: VA REPORTED BY CVGHM TO FL100 MOV S. VA NOT DISCERNIBLE
ON LATEST SAT IMG DUE TO MET CLOUD. ADVISORY WILL BE UPDATED
IF NEW INFORMATION IS RECEIVED.
NXT ADVISORY: NO FURTHER ADVISORIES=

VAAAK1
VA ADVISORY

DTG: 20210417/1014Z

VAAC: ANCHORAGE

VOLCANO: SEMISOPOCHNOI 311060

PSN: N5156 E17935

AREA: ALEUTIAN ISLANDS

SUMMIT ELEV: 4006 FT [1221 M]

ADVISORY NR: 2021/009

INFO SOURCE: HIMAWARI/GOES/AVO

AVIATION COLOR CODE: RED

ERUPTION DETAILS: CONTINUED VA EMISSIONS LIKELY

OBS VA DTG: 17/1014Z

OBS VA CLD: SFC/FL100 N5517 E17853 - N5451 W17832 - N5145 W17956
- N5159 E17859 - N5517 E17853 MOV N 20KT.

FCST VA CLD +6HR: 17/1614Z SFC/FL100 N5513 E17919 - N5446 W17808
- N5031 W17922 - N5117 E17907 - N5513 E17919 - N5513 E17919.

FCST VA CLD +12HR: 17/2214Z NO VA EXP.

FCST VA CLD +18HR: 18/0414Z NO VA EXP.

RMK: VA OBSCURED IN MET CLOUDS.

NXT ADVISORY: WILL BE ISSUED BY 20210417/1614Z

KH APR 2021 AAWU=

VAAAK1
VA ADVISORY

DTG: 20210417/1014Z

VAAC: ANCHORAGE

VOLCANO: SEMISOPOCHNOI 311060

PSN: N5156 E17935

AREA: ALEUTIAN ISLANDS

SUMMIT ELEV: 4006 FT [1221 M]

ADVISORY NR: 2021/009

INFO SOURCE: HIMAWARI/GOES/AVO

AVIATION COLOR CODE: RED

ERUPTION DETAILS: CONTINUED VA EMISSIONS LIKELY

OBS VA DTG: 17/1014Z

OBS VA CLD: SFC/FL100 N5517 E17853 - N5451 W17832 - N5145 W17956
- N5159 E17859 - N5517 E17853 MOV N 20KT.

FCST VA CLD +6HR: 17/1614Z SFC/FL100 N5513 E17919 - N5446 W17808
- N5031 W17922 - N5117 E17907 - N5513 E17919 - N5513 E17919.

FCST VA CLD +12HR: 17/2214Z NO VA EXP.

FCST VA CLD +18HR: 18/0414Z NO VA EXP.

RMK: VA OBSCURED IN MET CLOUDS.

NXT ADVISORY: WILL BE ISSUED BY 20210417/1614Z

KH APR 2021 AAWU

VA ADVISORY
DTG: 20210417/0850Z

VAAC: BUENOS AIRES

VOLCANO: SABANCAYA 354006
PSN: S1547 W07150

AREA: PERU

SUMMIT ELEV: 19576 FT [5967 M]

ADVISORY NR: 2021/447

INFO SOURCE: GOES-E. GFS. WEBCAM. VOLCAT.

AVIATION COLOUR CODE: NOT GIVEN

ERUPTION DETAILS: CONTINUOUS EMISSION

OBS VA DTG: 17/0810Z

OBS VA CLD: SFC/FL250 S1451 W07204 - S1515 W07141
- S1546 W07150 - S1506 W07224 - S1451 W07204 MOV
NW 15KT

FCST VA CLD +6 HR: 17/1400Z SFC/FL250 S1440 W07208
- S1515 W07146 - S1545 W07150 - S1454 W07245 -
S1440 W07208

FCST VA CLD +12 HR: 17/2000Z SFC/FL250 S1447
W07208 - S1506 W07152 - S1544 W07150 - S1458
W07233 - S1447 W07208

FCST VA CLD +18 HR: 18/0200Z SFC/FL250 S1429
W07211 - S1507 W07138 - S1548 W07150 - S1520
W07213 - S1451 W07257 - S1429 W07211

RMK: A FAINT VA PLUME MOV N AND INTERMITTENT
PULSES MOV NW ARE DETECTED IN STLT IMAGERY.
WEBCAM SHOWS CONT EMISSIONS OF GASES AND LGT VA
WITH SPORADIC PUFFS. ...SMN

NXT ADVISORY: WILL BE ISSUED BY 20210417/1450Z=

VAWR2229 WIIF 04170816
[ASHTAM 2229
A]WIIF
B]04170754
C]SINABUNG 261080
D]N0310E09824
E]ORANGE ALERT
F]SFC/FL130 VA NOT IDENTIFIABLE FM SATELLITE
G]WIND VRB05KT
H]NIL
I]NIL
J]CVGHM
K]VA ERUPTION AT 17/0744Z REPORTED TO FL130 MOV S
FCST VA CLD +6 HR: 17/1416Z NO VA EXP
FCST VA CLD +12 HR: 17/2016Z NO VA EXP
FCST VA CLD +18 HR: 18/0216Z NO VA EXP
RMK: VA REPORTED BY CVGHM TO FL130 MOV S. VA INDISCERNIBLE
ON LATEST SAT IMG DUE TO MET CLOUD. ADVISORY WILL BE UPDATED
IF NEW INFORMATION IS RECEIVED.]

VA ADVISORY
DTG: 20210417/0816Z
VAAC: DARWIN
VOLCANO: SINABUNG 261080
PSN: N0310 E09824
AREA: INDONESIA
SUMMIT ELEV: 2460M
ADVISORY NR: 2021/102
INFO SOURCE: CVGHM
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA ERUPTION AT 17/0744Z REPORTED TO FL130
MOV S
OBS VA DTG: 17/0816Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND
SFC/FL130 VRB05KT
FCST VA CLD +6 HR: 17/1416Z NO VA EXP
FCST VA CLD +12 HR: 17/2016Z NO VA EXP
FCST VA CLD +18 HR: 18/0216Z NO VA EXP
RMK: VA REPORTED BY CVGHM TO FL130 MOV S. VA INDISCERNIBLE
ON LATEST SAT IMG DUE TO MET CLOUD. ADVISORY WILL BE UPDATED
IF NEW INFORMATION IS RECEIVED.
NXT ADVISORY: NO FURTHER ADVISORIES=

VA ADVISORY
DTG: 20210417/0811Z

VAAC: WASHINGTON

VOLCANO: SANGAY 352090
PSN: S0200 W07820

AREA: ECUADOR

SUMMIT ELEV: 17159 FT [5230 M]

ADVISORY NR: 2021/375

INFO SOURCE: GOES-16. NWP MODELS.

ERUPTION DETAILS: NEW VA EMS

OBS VA DTG: 17/0740Z

OBS VA CLD: SFC/FL200 S0146 W07855 - S0200 W07819
- S0201 W07820 - S0150 W07857 - S0146 W07855 MOV
W 10KT

FCST VA CLD +6HR: 17/1330Z SFC/FL200 S0148 W07916
- S0159 W07819 - S0201 W07819 - S0152 W07916 -
S0148 W07916

FCST VA CLD +12HR: 17/1930Z NO VA EXP

FCST VA CLD +18HR: 18/0130Z NO VA EXP

RMK: NARROW VA PLUME DETECTED ON STLT MOVG WNW
EXTENDING APROX 32 NM FM SUMMIT. FCST WINDS ALOFT
TO BACK A BIT BECMG MORE FM THE W NXT 6 HR.
...KONON

NXT ADVISORY: WILL BE ISSUED BY 20210417/1415Z

VA ADVISORY
DTG: 20210417/0615Z

VAAC: WASHINGTON

VOLCANO: FUEGO 342090
PSN: N1428 W09052

AREA: GUATEMALA

SUMMIT ELEV: 12346 FT [3763 M]

ADVISORY NR: 2021/327

INFO SOURCE: GOES-16. WEBCAM. NWP MODELS.

ERUPTION DETAILS: NEW VA EMS

OBS VA DTG: 17/0540Z

OBS VA CLD: SFC/FL150 N1429 W09052 - N1418 W09046
- N1417 W09051 - N1428 W09053 - N1429 W09052 MOV
SE 5KT

FCST VA CLD +6HR: 17/1130Z SFC/FL150 N1429 W09053
- N1428 W09052 - N1417 W09050 - N1417 W09056 -
N1429 W09053

FCST VA CLD +12HR: 17/1730Z NO VA EXP

FCST VA CLD +18HR: 17/2330Z NO VA EXP

RMK: VA DETECTED ON STLT DRIFTING SE OF SUMMIT.
WEBCAM SHOWS FQT SMALL EXPLOSIONS. WINDS ALOFT
LGT/VRB SO T+6 HR VA PSN CONF LO. ...KONON

NXT ADVISORY: WILL BE ISSUED BY 20210417/1215Z

VAWR1395 WAAF 04170545
[ASHTAM 1395
A]WAAF
B]03252225
C]DUKONO 268010
D]N0141E12753
E]ORANGE ALERT
F]SFC/FL070 N0142 E12750 - N0258 E12838 - N0228 E12913 - N0138 E12754
G]MOV NE 25KT
H]NIL
I]NIL
J]HIMAWARI-8
K]CONTINUOUS VA EMISSION TO FL070, LAST OBS EXT NE AT 17/0510Z
FCST VA CLD +6 HR: 17/1145Z SFC/FL070 N0139 E12753 - N0142
E12751 - N0248 E12853 - N0217 E12920
FCST VA CLD +12 HR: 17/1745Z SFC/FL070 N0139 E12753 - N0142
E12751 - N0248 E12853 - N0217 E12921
FCST VA CLD +18 HR: 17/2345Z SFC/FL070 N0139 E12753 - N0142
E12751 - N0249 E12850 - N0219 E12919
RMK: VA OBS ON LATEST VISIBLE SATELLITE IMAGERY MOV NE. VA
HEIGHT AND MOVEMENT BASED ON HIMAWARI-8 IMAGERY AND MODEL
GUIDANCE.]

VA ADVISORY
DTG: 20210417/0600Z
VAAC: TOKYO
VOLCANO: SHEVELUCH 300270
PSN: N5639 E16122
AREA: RUSSIA
SUMMIT ELEV: 3283M
ADVISORY NR: 2021/14
INFO SOURCE: HIMAWARI-8
AVIATION COLOUR CODE: NIL
ERUPTION DETAILS: NO ERUPTION. RE-SUSPENDED VA
OBS VA DTG: 17/0520Z
OBS VA CLD: SFC/FL130 N5645 E16122 - N5634 E16156 - N5625 E16143 -
N5636 E16116 MOV SE 30KT
FCST VA CLD +6 HR: 17/1120Z SFC/FL130 N5601 E16848 - N5517 E16931 -
N5503 E16552 - N5639 E16121 - N5604 E16605
FCST VA CLD +12 HR: 17/1720Z SFC/FL130 N5507 E17437 - N5350 E17528 -
N5316 E17136 - N5639 E16121 - N5435 E17209
FCST VA CLD +18 HR: NO VA EXP
RMK: RE-SUSPENDED VA. SOME PART OF VA OBSCURED BY MET CLOUD.
NXT ADVISORY: 20210417/1200Z=

VA ADVISORY
DTG: 20210417/0551Z

VAAC: WASHINGTON

VOLCANO: SOUFRIERE ST VINCENT 360150
PSN: N1319 W06110

AREA: W?INDIES

SUMMIT ELEV: 3865 FT [1178 M]

ADVISORY NR: 2021/044

INFO SOURCE: GOES-16. NWP MODELS.

ERUPTION DETAILS: NO CURRENT ERUPTION. VA PLUME
FM EARLIER ERUPTION

OBS VA DTG: 17/0530Z

OBS VA CLD: SFC/FL150 N1728 W06244 - N1707 W06230
- N1625 W06246 - N1536 W06241 - N1459 W06229 -
N1449 W06128 - N1453 W06001 - N1430 W06016 -
N1424 W06054 - N1415 W06137 - N1353 W06241 -
N1347 W06350 - N1347 W06503 - N1407 W06552 -
N1449 W06614 - N1534 W06608 - N1629 W06446 -
N1705 W06339 - N1728 W06244 MOV W 10KT

FCST VA CLD +6HR: 17/1130Z NO VA EXP

FCST VA CLD +12HR: 17/1730Z NO VA EXP

FCST VA CLD +18HR: 17/2330Z NO VA EXP

RMK: LRG THIN DETACHED VA PLUME DETECTED ON STLT
OVR NERN CARIB MOVG W. PLUME SHUD DSIPT IN NXT 6
HR. NEW VA EMS PSBL AT ANY TTIME. ...KONON

NXT ADVISORY: WILL BE ISSUED BY 20210417/1145Z

VA ADVISORY
DTG: 20210417/0545Z
VAAC: DARWIN
VOLCANO: DUKONO 268010
PSN: N0141 E12753
AREA: INDONESIA
SUMMIT ELEV: 1335M
ADVISORY NR: 2021/269
INFO SOURCE: HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: CONTINUOUS VA EMISSION TO FL070, LAST OBS
EXT NE AT 17/0510Z
EST VA DTG: 17/0545Z
EST VA CLD: SFC/FL070 N0142 E12750 - N0258 E12838 - N0228
E12913 - N0138 E12754 MOV NE 25KT
FCST VA CLD +6 HR: 17/1145Z SFC/FL070 N0139 E12753 - N0142
E12751 - N0248 E12853 - N0217 E12920
FCST VA CLD +12 HR: 17/1745Z SFC/FL070 N0139 E12753 - N0142
E12751 - N0248 E12853 - N0217 E12921
FCST VA CLD +18 HR: 17/2345Z SFC/FL070 N0139 E12753 - N0142
E12751 - N0249 E12850 - N0219 E12919
RMK: VA OBS ON LATEST VISIBLE SATELLITE IMAGERY MOV NE. VA
HEIGHT AND MOVEMENT BASED ON HIMAWARI-8 IMAGERY AND MODEL
GUIDANCE.
NXT ADVISORY: NO LATER THAN 20210417/1145Z=

VA ADVISORY
DTG: 20210417/0509Z
VAAC: TOKYO
VOLCANO: EBEKO 290380
PSN: N5041 E15601
AREA: KURIL ISLANDS
SUMMIT ELEV: 1103M
ADVISORY NR: 2021/50
INFO SOURCE: HIMAWARI-8 KBGS
AVIATION COLOUR CODE: NIL
ERUPTION DETAILS: ERUPTION AT 20210417/0449Z FL140 EXTD NE REPORTED
OBS VA DTG: 17/0440Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL140 270/30KT

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: 20210417/0458Z

VAAC: WASHINGTON

VOLCANO: REVENTADOR 352010
PSN: S0004 W07739

AREA: ECUADOR

SUMMIT ELEV: 11686 FT [3562 M]

ADVISORY NR: 2021/280

INFO SOURCE: GOES-16. VONA. NWP MODELS.

ERUPTION DETAILS: ONGOING VA EMS

OBS VA DTG: 17/0430Z

OBS VA CLD: SFC/FL140 N0001 W07805 - S0003 W07739
- S0005 W07740 - S0008 W07805 - N0001 W07805 MOV
W 10KT

FCST VA CLD +6HR: 17/1030Z SFC/FL140 N0002
W07805 - S0002 W07740 - S0007 W07740 - S0008
W07806 - N0002 W07805

FCST VA CLD +12HR: 17/1630Z SFC/FL140 N0002
W07807 - S0005 W07738 - S0007 W07740 - S0010
W07806 - N0002 W07807

FCST VA CLD +18HR: 17/2230Z NO VA EXP

RMK: INTMT VA PUFFS DETECTED ON STLT MOVG W OF
SUMMIT. VONA RPRT CONFIRMS VA EMS. NO CHG FCST TO
WINDS ALOFT THRU T+12 HR. ...KONON

NXT ADVISORY: WILL BE ISSUED BY 20210417/1100Z

VAWR1394 WAAF 04170435
[ASHTAM 1394
A]WAAF
B]04170435
C]LEWOTOLO 264230
D]S0816E12330
E]ORANGE ALERT
F]SFC/FL070 VA NOT IDENTIFIABLE FM SATELLITE
G]WIND 110/15KT
H]NIL
I]NIL
J]WEBCAM, HIMIWARI-8
K]DISCRETE ERUPTION TO FL070 MOV WNW OBS AT 16/2235Z
FCST VA CLD +6 HR: 17/1035Z NO VA EXP
FCST VA CLD +12 HR: 17/1635Z NO VA EXP
FCST VA CLD +18 HR: 17/2235Z NO VA EXP
RMK: CURRENT SAT IMAGERY INDICATES VA HAS NOW DISSIPATED. NO
FURTHER REPORTS OF NEW OR ONGOING ERUPTION. ADVISORY
TERMINATED.
]

VAAAK1
VA ADVISORY

DTG: 20210417/0445Z

VAAC: ANCHORAGE

VOLCANO: SEMISOPOCHNOI 311060

PSN: N5156 E17935

AREA: ALEUTIAN ISLANDS

SUMMIT ELEV: 4006 FT [1221 M]

ADVISORY NR: 2021/008

INFO SOURCE: HIMAWARI/GOES/AVO

AVIATION COLOR CODE: RED

ERUPTION DETAILS: CONTINUED VA EMISSIONS LIKELY.

OBS VA DTG: 17/0445Z

OBS VA CLD: SFC/FL100 N5517 E17853 - N5451 W17832 - N5145 W17956
- N5159 E17859 - N5517 E17853 MOV N 35KT.

FCST VA CLD +6HR: 17/1045Z SFC/FL100 N5513 E17919 - N5446 W17808
- N5031 W17922 - N5117 E17907 - N5513 E17919 - N5513 E17919.

FCST VA CLD +12HR: 17/1645Z NO VA EXP.

FCST VA CLD +18HR: 17/2245Z NO VA EXP.

RMK: VA OBSCURED IN MET CLOUDS.

NXT ADVISORY: WILL BE ISSUED BY 20210417/1045Z

AAWU APR 2021 AAWU

VAWR2228 WIIF 04170405
[ASHTAM 2228
A]WIIF
B]04170335
C]SINABUNG 261080
D]N0310E09824
E]ORANGE ALERT
F]SFC/FL110 VA NOT IDENTIFIABLE FM SATELLITE
G]WIND VRB05KT
H]NIL
I]NIL
J]CVGHM
K]VA ERUPTION AT 17/0335Z REPORTED TO FL110 MOV S
FCST VA CLD +6 HR: 17/1005Z NO VA EXP
FCST VA CLD +12 HR: 17/1605Z NO VA EXP
FCST VA CLD +18 HR: 17/2205Z NO VA EXP
RMK: VA REPORTED BY CVGHM TO FL110 MOV S. VA INDISCERNIBLE
ON LATEST SAT IMG DUE TO MET CLOUD. ADVISORY WILL BE UPDATED
IF NEW INFORMATION IS RECEIVED.]

VA ADVISORY
DTG: 20210417/0435Z
VAAC: DARWIN
VOLCANO: LEWOTOLO 264230
PSN: S0816 E12330
AREA: INDONESIA
SUMMIT ELEV: 1423M
ADVISORY NR: 2021/9
INFO SOURCE: WEBCAM, HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: DISCRETE ERUPTION TO FL070 MOV WNW OBS AT
16/2235Z
OBS VA DTG: 17/0435Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND
SFC/FL070 110/15KT
FCST VA CLD +6 HR: 17/1035Z NO VA EXP
FCST VA CLD +12 HR: 17/1635Z NO VA EXP
FCST VA CLD +18 HR: 17/2235Z NO VA EXP
RMK: CURRENT SAT IMAGERY INDICATES VA HAS NOW DISSIPATED. NO
FURTHER REPORTS OF NEW OR ONGOING ERUPTION. ADVISORY
TERMINATED.
NXT ADVISORY: NO FURTHER ADVISORIES=

VA ADVISORY
DTG: 20210417/0405Z
VAAC: DARWIN
VOLCANO: SINABUNG 261080
PSN: N0310 E09824
AREA: INDONESIA
SUMMIT ELEV: 2460M
ADVISORY NR: 2021/101
INFO SOURCE: CVGHM
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA ERUPTION AT 17/0335Z REPORTED TO FL110
MOV S
OBS VA DTG: 17/0405Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND
SFC/FL110 VRB05KT
FCST VA CLD +6 HR: 17/1005Z NO VA EXP
FCST VA CLD +12 HR: 17/1605Z NO VA EXP
FCST VA CLD +18 HR: 17/2205Z NO VA EXP
RMK: VA REPORTED BY CVGHM TO FL110 MOV S. VA INDISCERNIBLE
ON LATEST SAT IMG DUE TO MET CLOUD. ADVISORY WILL BE UPDATED
IF NEW INFORMATION IS RECEIVED.
NXT ADVISORY: NO FURTHER ADVISORIES=

VA ADVISORY
DTG: 20210417/0250Z

VAAC: BUENOS AIRES

VOLCANO: SABANCAYA 354006
PSN: S1547 W07150

AREA: PERU

SUMMIT ELEV: 19576 FT [5967 M]

ADVISORY NR: 2021/446

INFO SOURCE: GOES-E. GFS. WEBCAM.

AVIATION COLOUR CODE: NOT GIVEN

ERUPTION DETAILS: CONT EMISSIONS

OBS VA DTG: 17/0220Z

OBS VA CLD: SFC/FL250 S1444 W07140 - S1544 W07147
- S1546 W07153 - S1512 W07207 - S1447 W07214 -
S1444 W07140 MOV N 15KT

FCST VA CLD +6 HR: 17/0830Z SFC/FL250 S1442 W07156
- S1545 W07145 - S1547 W07151 - S1519 W07211 -
S1445 W07223 - S1442 W07156

FCST VA CLD +12 HR: 17/1430Z SFC/FL250 S1443
W07207 - S1546 W07147 - S1545 W07153 - S1524
W07217 - S1451 W07238 - S1443 W07207

FCST VA CLD +18 HR: 17/2030Z SFC/FL250 S1452
W07236 - S1504 W07213 - S1545 W07151 - S1510
W07251 - S1452 W07236

RMK: A FAINT VA PLUME MOV N AND INTERMITTENT
PULSES MOV NW ARE DETECTED IN STLT IMAGERY.
WEBCAM SHOWS CONT EMISSIONS OF GASES AND LGT VA
WITH SPORADIC PUFFS. ...SMN

NXT ADVISORY: WILL BE ISSUED BY 20210417/0850Z=

VA ADVISORY
DTG: 20210417/0113Z

VAAC: WASHINGTON

VOLCANO: FUEGO 342090
PSN: N1428 W09052

AREA: GUATEMALA

SUMMIT ELEV: 12346 FT [3763 M]

ADVISORY NR: 2021/326

INFO SOURCE: GOES-16. WEBCAM.

ERUPTION DETAILS: VA EMS HAVE DISP IN STLT IMAGERY

OBS VA DTG: 17/0050Z

OBS VA CLD: VA NOT IDENTIFIABLE FM STLT DATA

FCST VA CLD +6HR: 17/0700Z NO VA EXP

FCST VA CLD +12HR: 17/1300Z NO VA EXP

FCST VA CLD +18HR: 17/1900Z NO VA EXP

RMK: LOW CONF IN VAA DUE TO WX CLDS. EARLIER VA
EMS HAVE DISP. STEAM/GAS EMS AND BRIEF SMALL VA
EMS QUICK TO DISP OBS IN SUMMIT WEBCAM. VA EVENT
ENDED. ...SAMBUCCI

NXT ADVISORY: NO FURTHER ADVISORIES

VAWR2227 WIIF 04170010
[ASHTAM 2227
A]WIIF
B]04162249
C]SINABUNG 261080
D]N0310E09824
E]ORANGE ALERT
F]SFC/FL130 N0307 E09827 - N0255 E09829 - N0255
E09816 - N0307 E09818
G]MOV S 05KT
H]NIL
I]NIL
J]CVGHM, HIMAWARI-8
K]VA ERUPTION TO FL130 MOV S LAST OBS AT 16/2350Z
FCST VA CLD +6 HR: 17/0610Z NO VA EXP
FCST VA CLD +12 HR: 17/1210Z NO VA EXP
FCST VA CLD +18 HR: 17/1810Z NO VA EXP
RMK: VA ERUPTION AT 16/2249Z TO FL130 REPORTED BY CVGHM. VA
OBS ON LATEST SAT IMG MOV S. VA EXPECTED TO DISSIPATE WITHIN
6 HOURS. ADVISORY UPDATED DUE TO DISCERNIBLE VA ON SAT IMG.
NXT ADVISORY: NO LATER THAN 20210417/0610Z=]

VA ADVISORY
DTG: 20210417/0010Z
VAAC: DARWIN
VOLCANO: SINABUNG 261080
PSN: N0310 E09824
AREA: INDONESIA
SUMMIT ELEV: 2460M
ADVISORY NR: 2021/100
INFO SOURCE: CVGHM, HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA ERUPTION TO FL130 MOV S LAST OBS AT
16/2350Z
OBS VA DTG: 17/0010Z
OBS VA CLD: SFC/FL130 N0307 E09827 - N0255 E09829 - N0255
E09816 - N0307 E09818 MOV S 05KT
FCST VA CLD +6 HR: 17/0610Z NO VA EXP
FCST VA CLD +12 HR: 17/1210Z NO VA EXP
FCST VA CLD +18 HR: 17/1810Z NO VA EXP
RMK: VA ERUPTION AT 16/2249Z TO FL130 REPORTED BY CVGHM. VA
OBS ON LATEST SAT IMG MOV S. VA EXPECTED TO DISSIPATE WITHIN
6 HOURS. ADVISORY UPDATED DUE TO DISCERNIBLE VA ON SAT IMG.
NXT ADVISORY: NO LATER THAN 20210417/0610Z=

VA ADVISORY
DTG: 20210417/0003Z
VAAC: WASHINGTON
VOLCANO: SOUFRIERE ST VINCENT 360150
PSN: N1319 W06110
AREA: W?INDIES
SUMMIT ELEV: 3865 FT [1178 M]
ADVISORY NR: 2021/043
INFO SOURCE: GOES-16. PIARCO MWO. NWP MODELS.
ASH3D. VOLCAT.
ERUPTION DETAILS: VA EMS OBS IN STLT IMAGERY
OBS VA DTG: 16/2320Z
OBS VA CLD: SFC/FL150 N1358 W06352 - N1328 W06111
- N1311 W06112 - N1320 W06352 - N1358 W06352 MOV
W 10KT SFC/FL170 N1658 W06313 - N1627 W06220 -
N1350 W06124 - N1342 W06344 - N1658 W06313 MOV N
10KT
FCST VA CLD +6HR: 17/0530Z SFC/FL150 N1407 W06401
- N1330 W06108 - N1308 W06108 - N1314 W06409 -
N1407 W06401 SFC/FL170 N1726 W06405 - N1714
W06302 - N1357 W06338 - N1406 W06432 - N1726
W06405
FCST VA CLD +12HR: 17/1130Z SFC/FL150 N1413
W06419 - N1331 W06108 - N1308 W06110 - N1311
W06423 - N1413 W06419 SFC/FL170 NO VA EXP
FCST VA CLD +18HR: 17/1730Z SFC/FL150 N1417
W06416 - N1331 W06107 - N1314 W06107 - N1313
W06420 - N1417 W06416
RMK: HGH LVL WKNG REMNANT VA EMS AT FL170 OBS 150 NMI
NW FM SUMMIT EXP DISP BY T+12. LVL PRSTNT VA EMS OBS AT
FL 150 MOVG W FM SUMMIT. VA HGT/DIR FM PREV VAA
AND STLT. NWP MDLS SHOWS CONT W-LY MOVMT WITH LVL
EMS THRU T+18. ...SAMBUCCI
NXT ADVISORY: WILL BE ISSUED BY 20210417/0600Z

VAWR1393 WAAF 04162345
[ASHTAM 1393
A]WAAF
B]03252225
C]DUKONO 268010
D]N0141E12753
E]ORANGE ALERT
F]SFC/FL070 N0139 E12753 - N0142 E12751 - N0244 E12900 - N0209 E12923
G]MOV NE 25KT
H]NIL
I]NIL
J]HIMAWARI-8
K]ERUPTION DETAILS: CONTINUOUS VA EMISSION TO FL070, LAST OBS EXT NE
AT 16/2310Z. FCST VA CLD +6 HR: 17/0545Z SFC/FL070 N0139 E12753 -
N0142E12751 - N0244 E12900 - N0209 E12923
FCST VA CLD +12 HR: 17/1145Z SFC/FL070 N0139 E12753 - N0142
E12751 - N0244 E12900 - N0210 E12923
FCST VA CLD +18 HR: 17/1745Z SFC/FL070 N0142 E12751 - N0248
E12853 - N0217 E12921 - N0139 E12753
RMK: VA OBS ON LATEST VISIBLE SATELLITE IMAGERY MOV NW. VA
HEIGHT AND MOVEMENT BASED ON HIMAWARI-8 IMAGERY AND MODEL GUIDANCE. ]

VA ADVISORY
DTG: 20210416/2345Z
VAAC: DARWIN
VOLCANO: DUKONO 268010
PSN: N0141 E12753
AREA: INDONESIA
SUMMIT ELEV: 1335M
ADVISORY NR: 2021/268
INFO SOURCE: HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: CONTINUOUS VA EMISSION TO FL070, LAST OBS
EXT NE AT 16/2310Z
EST VA DTG: 16/2345Z
EST VA CLD: SFC/FL070 N0139 E12753 - N0142 E12751 - N0244
E12900 - N0209 E12923 MOV NE 25KT
FCST VA CLD +6 HR: 17/0545Z SFC/FL070 N0139 E12753 - N0142
E12751 - N0244 E12900 - N0209 E12923
FCST VA CLD +12 HR: 17/1145Z SFC/FL070 N0139 E12753 - N0142
E12751 - N0244 E12900 - N0210 E12923
FCST VA CLD +18 HR: 17/1745Z SFC/FL070 N0142 E12751 - N0248
E12853 - N0217 E12921 - N0139 E12753
RMK: VA OBS ON LATEST VISIBLE SATELLITE IMAGERY MOV NW. VA
HEIGHT AND MOVEMENT BASED ON HIMAWARI-8 IMAGERY AND MODEL
GUIDANCE.
NXT ADVISORY: NO LATER THAN 20210417/0545Z=

VA ADVISORY
DTG: 20210416/2337Z
VAAC: DARWIN
VOLCANO: SINABUNG 261080
PSN: N0310 E09824
AREA: INDONESIA
SUMMIT ELEV: 2460M
ADVISORY NR: 2021/99
INFO SOURCE: CVGHM
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA ERUPTION TO FL130 MOV WSW REPORTED AT
16/2249Z
OBS VA DTG: 16/2337Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND
SFC/FL130 VRB05KT
FCST VA CLD +6 HR: 17/0537Z NO VA EXP
FCST VA CLD +12 HR: 17/1137Z NO VA EXP
FCST VA CLD +18 HR: 17/1737Z NO VA EXP
RMK: VA ERUPTION AT 16/2249Z TO FL130 REPORTED BY CVGHM. VA
INDISCERNIBLE ON SAT IMG DUE TO MET CLOUD. ADVISORY WILL BE
REISSUED IF NEW INFORMATION IS RECEIVED.
NXT ADVISORY: NO FURTHER ADVISORIES=

VA ADVISORY
DTG: 20210416/2314Z

VAAC: WASHINGTON

VOLCANO: REVENTADOR 352010
PSN: S0004 W07739

AREA: ECUADOR

SUMMIT ELEV: 11686 FT [3562 M]

ADVISORY NR: 2021/279

INFO SOURCE: GOES-16. WEBCAM. NWP MODELS.

ERUPTION DETAILS: OCNL VA CLDS OBS IN STLT IMAGERY

OBS VA DTG: 16/2250Z

OBS VA CLD: SFC/FL140 N0000 W07752 - S0003 W07740
- S0006 W07740 - S0007 W07752 - N0000 W07752 MOV
W 5KT

FCST VA CLD +6HR: 17/0500Z SFC/FL140 N0004 W07759
- S0002 W07739 - S0005 W07740 - S0007 W07759 -
N0004 W07759

FCST VA CLD +12HR: 17/1100Z NO VA EXP

FCST VA CLD +18HR: 17/1700Z NO VA EXP

RMK: OCNL VA CLDS OBS IN STLT. LOW CONF WITH
VAA/VAG DUE TO WX CLDS. SUMMIT HOTSPOT OBS IN
STLT. VA HGT/DIR FM NWP MDLS SHOWS CONT WNW-LY
MOVMT THRU T+6. ...SAMBUCCI

NXT ADVISORY: WILL BE ISSUED BY 20210417/0515Z

VA ADVISORY
DTG: 20210416/2251Z
VAAC: DARWIN
VOLCANO: LEWOTOLO 264230
PSN: S0816 E12330
AREA: INDONESIA
SUMMIT ELEV: 1423M
ADVISORY NR: 2021/8
INFO SOURCE: WEBCAM, HIMIWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: DISCRETE ERUPTION TO FL070 MOV WNW OBS AT
16/2235Z
OBS VA DTG: 16/2251Z
OBS VA CLD: SFC/FL070 S0815 E12331 - S0817 E12331 - S0817
E12301 - S0807 E12301 MOV W 20KT
FCST VA CLD +6 HR: 17/0451Z NO VA EXP
FCST VA CLD +12 HR: 17/1051Z NO VA EXP
FCST VA CLD +18 HR: 17/1651Z NO VA EXP
RMK: VA OBS ON WEBCAM AND VIS SAT IMG AT 16/2235Z. VA HEIGHT
AND FORECAST BASED ON WEBCAM, HIMIWARI-8 IMAGERY AND MODEL
GUIDANCE. VA IS EXPECTED TO DISSIPATE WITHIN 6 HOURS.
NXT ADVISORY: NO LATER THAN 20210417/0451Z=

VAAAK1
VA ADVISORY

DTG: 20210416/2250Z

VAAC: ANCHORAGE

VOLCANO: SEMISOPOCHNOI 311060

PSN: N5156 E17935

AREA: ALEUTIAN ISLANDS

SUMMIT ELEV: 4006 FT [1221 M]

ADVISORY NR: 2021/007

INFO SOURCE: HIMAWARI/GOES/AVO

AVIATION COLOR CODE: RED

ERUPTION DETAILS: CONTINUED VA EMISSONS LIKELY.

OBS VA DTG: 16/2250Z

OBS VA CLD: SFC/FL100 N5536 W17855 - N5151 E17949 - N5159 E17903
- N5650 E17717 - N5536 W17855 MOV N 35KT.

FCST VA CLD +6HR: 17/0450Z SFC/FL100 N5537 W17855 - N5151 E17949
- N5159 E17901 - N5651 E17714 - N5537 W17855.

FCST VA CLD +12HR: 17/1050Z SFC/FL100 N5536 W17853 - N5152
E17950 - N5160 E17902 - N5650 E17717 - N5536 W17853 - N5536
W17853.

FCST VA CLD +18HR: 17/1650Z NO VA EXP.

RMK: VA OBSCURED IN MET CLOUDS.

NXT ADVISORY: WILL BE ISSUED BY 20210417/0450Z

BH APR 2021 AAWU

VA ADVISORY
DTG: 20210416/2222Z

VAAC: WASHINGTON

VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837

AREA: MEXICO

SUMMIT ELEV: 17802 FT [5426 M]

ADVISORY NR: 2021/366

INFO SOURCE: GOES-16. WEBCAM.

ERUPTION DETAILS: VA EMS HAVE DISP IN STLT IMAGERY

OBS VA DTG: 16/2206Z

OBS VA CLD: VA NOT IDENTIFIABLE FM STLT DATA

FCST VA CLD +6HR: 17/0400Z NO VA EXP

FCST VA CLD +12HR: 17/1000Z NO VA EXP

FCST VA CLD +18HR: 17/1600Z NO VA EXP

RMK: EARLIER VA EMS OBS IN STLT HAVE DISP. NO NEW
VA RPRTS/OBS RECEIVED FM MWO. STEAM/GAS EMS AND
WX CLDS OBS IN SUMMIT WEBCAM. VA EVENT ENDED.
...SAMBUCCI

NXT ADVISORY: NO FURTHER ADVISORIES

VA ADVISORY
DTG: 20210416/2050Z

VAAC: BUENOS AIRES

VOLCANO: SABANCAYA 354006
PSN: S1547 W07150

AREA: PERU

SUMMIT ELEV: 19576 FT [5967 M]

ADVISORY NR: 2021/445

INFO SOURCE: GOES-E. GFS. WEBCAM.

AVIATION COLOUR CODE: NOT GIVEN

ERUPTION DETAILS: SPORADIC PUFFS

OBS VA DTG: 16/2020Z

OBS VA CLD: SFC/FL250 S1522 W07156 - S1522 W07145
- S1546 W07151 - S1545 W07154 - S1522 W07156 MOV
N 20KT

FCST VA CLD +6 HR: 17/0230Z SFC/FL250 S1451 W07145
- S1547 W07150 - S1520 W07205 - S1451 W07209 -
S1451 W07145

FCST VA CLD +12 HR: 17/0830Z SFC/FL250 S1434
W07205 - S1546 W07150 - S1523 W07214 - S1443
W07234 - S1434 W07205

FCST VA CLD +18 HR: 17/1430Z SFC/FL250 S1423
W07219 - S1547 W07150 - S1529 W07222 - S1440
W07255 - S1423 W07219

RMK: VA PULSES MOV N ARE DETECTED ON STLT IMAGERY
UNDER CLEAR SKIES. WEBCAM SHOWS SPORADIC VA PUFFS
TILL FL250. ...SMN

NXT ADVISORY: WILL BE ISSUED BY 20210417/0250Z=

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