FVXX23 at 19:30 UTC, 31/05/26 from KNES VA ADVISORY DTG: 20260531/1928Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SOURCE ELEV: 11686 FT AMSL ADVISORY NR: 2026/534 INFO SOURCE: GOES-19. ERUPTION DETAILS: VA EMS ENDED OBS VA DTG: 31/1910Z OBS VA CLD: VA NOT IDENTIFIABLE FM STLT DATA FCST VA CLD +6HR: 01/0100Z NO VA EXP FCST VA CLD +12HR: 01/0700Z NO VA EXP FCST VA CLD +18HR: 01/1300Z NO VA EXP RMK: VA NOT DETECTED ON VARIOUS STLT PRODUCTS. WX CLDS CVR PART OF SUMMIT AREA CURRENTLY. NEW VA EMS LIKELY AT ANY TIME. ...KONON NXT ADVISORY: NO FURTHER ADVISORIES

FVXX20 at 19:05 UTC, 31/05/26 from KNES VA ADVISORY DTG: 20260531/1902Z VAAC: WASHINGTON VOLCANO: FUEGO 342090 PSN: N1428 W09052 AREA: GUATEMALA SOURCE ELEV: 12346 FT AMSL ADVISORY NR: 2026/634 INFO SOURCE: GOES-19. NWP MODELS. ERUPTION DETAILS: ONGOING VA EMS EST VA DTG: 31/1840Z EST VA CLD: SFC/FL140 N1437 W09055 - N1437 W09049 - N1428 W09052 - N1428 W09053 - N1437 W09055 MOV N 15KT FCST VA CLD +6HR: 01/0030Z SFC/FL140 N1447 W09055 - N1447 W09047 - N1428 W09052 - N1428 W09053 - N1447 W09055 FCST VA CLD +12HR: 01/0630Z SFC/FL140 N1447 W09055 - N1447 W09047 - N1428 W09052 - N1428 W09053 - N1447 W09055 FCST VA CLD +18HR: 01/1230Z SFC/FL140 N1448 W09055 - N1447 W09047 - N1428 W09052 - N1428 W09053 - N1448 W09055 RMK: VA NOT DETECTED ON STLT DUE TO WX CLDS IN SUMMIT AREA. VA EMS LIKELY CONTINUE GIVEN RECENT ACTVTY. NO CHG FCST TO MDL WINDS AT FL NXT 18 HR. ...KONON NXT ADVISORY: WILL BE ISSUED BY 20260601/0100Z

FVAU03 at 18:50 UTC, 31/05/26 from ADRM VA ADVISORY DTG: 20260531/1850Z VAAC: DARWIN VOLCANO: DUKONO 268010 PSN: N0142 E12754 AREA: INDONESIA SOURCE ELEV: 1229M AMSL ADVISORY NR: 2026/315 INFO SOURCE: HIMAWARI-9, CVGHM ERUPTION DETAILS: VA TO FL080 OBS AT 31/0640Z MOV NE EST VA DTG: 31/1830Z EST VA CLD: SFC/FL080 N0139 E12751 - N0146 E12751 - N0205 E12814 - N0147 E12833 - N0123 E12819 MOV SE 10KT FCST VA CLD +6 HR: 01/0030Z SFC/FL080 N0138 E12750 - N0145 E12748 - N0206 E12818 - N0147 E12836 - N0127 E12826 FCST VA CLD +12 HR: 01/0630Z SFC/FL080 N0137 E12751 - N0147 E12750 - N0204 E12817 - N0140 E12831 - N0120 E12817 FCST VA CLD +18 HR: 01/1230Z SFC/FL080 N0139 E12750 - N0148 E12751 - N0202 E12815 - N0141 E12830 - N0118 E12814 RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET CLOUD. VA EMISSION IS EXPECTED TO CONTINUE. HEIGHT AND MOV BASED ON GROUND REPORT AND MODEL GUIDANCE. NXT ADVISORY: NO LATER THAN 20260601/0050Z=

FVAU02 at 18:19 UTC, 31/05/26 from ADRM VA ADVISORY DTG: 20260531/1820Z VAAC: DARWIN VOLCANO: SEMERU 263300 PSN: S0806 E11255 AREA: INDONESIA SOURCE ELEV: 3657M AMSL ADVISORY NR: 2026/619 INFO SOURCE: HIMAWARI-9, CVGHM ERUPTION DETAILS: VA TO FL150 OBS AT 31/1800Z MOV SW OBS VA DTG: 31/1800Z OBS VA CLD: SFC/FL150 S0807 E11259 - S0838 E11218 - S0823 E11154 - S0757 E11203 - S0801 E11257 MOV SW 10KT FCST VA CLD +6 HR: 01/0000Z SFC/FL150 S0806 E11259 - S0842 E11218 - S0830 E11154 - S0805 E11159 - S0800 E11256 FCST VA CLD +12 HR: 01/0600Z SFC/FL150 S0806 E11300 - S0841 E11230 - S0828 E11203 - S0803 E11207 - S0759 E11257 FCST VA CLD +18 HR: 01/1200Z SFC/FL150 S0805 E11300 - S0841 E11231 - S0830 E11206 - S0806 E11206 - S0759 E11257 RMK: DISCRETE VA EMISSION IDENTIFIABLE ON LATEST SAT IMAGERY MOV SW. VA HEIGHT AND MOVEMENT BASED ON SAT IMG, GND REPS AND MODEL GUIDANCE. NXT ADVISORY: NO LATER THAN 20260601/0020Z=

FVXX25 at 17:22 UTC, 31/05/26 from KNES VA ADVISORY DTG: 20260531/1720Z VAAC: WASHINGTON VOLCANO: SANTA MARIA 342030 PSN: N1445 W09133 AREA: GUATEMALA SOURCE ELEV: 12287 FT AMSL ADVISORY NR: 2026/268 INFO SOURCE: GOES-19. NWP MODELS. ERUPTION DETAILS: NEW VA EMS OBS VA DTG: 31/1700Z OBS VA CLD: SFC/FL140 N1459 W09138 - N1446 W09132 - N1446 W09133 - N1457 W09142 - N1459 W09138 MOV NW 15KT FCST VA CLD +6HR: 31/2300Z SFC/FL140 N1500 W09129 - N1446 W09132 - N1446 W09133 - N1459 W09138 - N1500 W09129 FCST VA CLD +12HR: 01/0500Z NO VA EXP FCST VA CLD +18HR: 01/1100Z NO VA EXP RMK: VA PUFF DETECTED ON STLT MOVG NW OF SUMMIT. MDL WINDS AT FL FCST TO VEER NXT 6 HR BECMG MORE FM THE S. ...KONON NXT ADVISORY: WILL BE ISSUED BY 20260531/2315Z