FVXX21 at 19:28 UTC, 20/03/26 from KNES VA ADVISORY DTG: 20260320/1926Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SOURCE ELEV: 17342 FT AMSL ADVISORY NR: 2026/302 INFO SOURCE: GOES-19. VONA. WEBCAM. NWP MODELS. ERUPTION DETAILS: OCNL TO FRQT VA EMS. OBS VA DTG: 20/1850Z OBS VA CLD: SFC/FL200 S0158 W07755 - S0209 W07756 - S0202 W07821 - S0159 W07821 - S0158 W07755 MOV E 20KT FCST VA CLD +6HR: 21/0100Z SFC/FL200 S0158 W07740 - S0218 W07743 - S0202 W07820 - S0159 W07820 - S0158 W07740 FCST VA CLD +12HR: 21/0700Z SFC/FL200 S0158 W07740 - S0217 W07743 - S0201 W07822 - S0159 W07820 - S0158 W07740 FCST VA CLD +18HR: 21/1300Z SFC/FL200 S0152 W07740 - S0211 W07741 - S0202 W07820 - S0159 W07820 - S0152 W07740 RMK: VA CLD OBSD ABT 25 NMI E OF SUMMIT. WEBCAM NOT CURNTLY SHOWING ANY VA EMS BUT IS OBSCD BY CLDS UP TO FL200. NWP MDLS AND VONA FROM 1504Z EST FL AT NEAR FL200. NWP MDLS FCST LTLCG IN WINDS THRU T+12HRS. ...HOSLEY NXT ADVISORY: WILL BE ISSUED BY 20260321/0130Z

FVXX24 at 19:01 UTC, 20/03/26 from KNES VA ADVISORY DTG: 20260320/1900Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 341090 PSN: N1901 W09837 AREA: MEXICO SOURCE ELEV: 17693 FT AMSL ADVISORY NR: 2026/131 INFO SOURCE: GOES-19. WEBCAM. NWP MODELS. ERUPTION DETAILS: INTMT VA EMS. OBS VA DTG: 20/1841Z OBS VA CLD: SFC/FL210 N1828 W09729 - N1822 W09723 - N1754 W09807 - N1759 W09810 - N1828 W09729 MOV SE 15KT SFC/FL210 N1901 W09837 - N1859 W09832 - N1855 W09836 - N1900 W09838 - N1901 W09837 MOV SE 15KT FCST VA CLD +6HR: 21/0030Z SFC/FL210 N1841 W09741 - N1833 W09726 - N1759 W09810 - N1811 W09816 - N1841 W09741 SFC/FL210 N1901 W09837 - N1855 W09817 - N1842 W09829 - N1900 W09838 - N1901 W09837 FCST VA CLD +12HR: 21/0630Z SFC/FL210 N1904 W09722 - N1817 W09733 - N1900 W09837 - N1901 W09837 - N1904 W09722 FCST VA CLD +18HR: 21/1230Z SFC/FL210 N1925 W09726 - N1854 W09720 - N1900 W09838 - N1901 W09837 - N1925 W09726 RMK: REMNANT VA CLD OBSD ABT 80 NMI SE OF SUMMIT. WEBCAM SHOWS VA EM AT 1850Z. NWP MDLS EST FL REMAINS AT FL210. NWP MDLS FCST VA TO MOV E BY T+12 AND ENE BY T+18. REMNANT VA XPCD TO DSIPT BY T+6. ...HOSLEY NXT ADVISORY: WILL BE ISSUED BY 20260321/0100Z

FVFE01 at 18:00 UTC, 20/03/26 from RJTD VA ADVISORY DTG: 20260320/1800Z VAAC: TOKYO VOLCANO: SHEVELUCH 300270 PSN: N5639 E16122 AREA: RUSSIA SOURCE ELEV: 3283M AMSL ADVISORY NR: 2026/87 INFO SOURCE: HIMAWARI-9 ERUPTION DETAILS: POSS VA EMISSIONS CONTINUING OBS VA DTG: 20/1720Z OBS VA CLD: SFC/FL240 N5639 E16122 - N5720 E16006 - N5810 E15914 - N5741 E16028 MOV NW 50KT FCST VA CLD +6 HR: 20/2320Z SFC/FL260 N5638 E16111 - N6041 E15401 - N6151 E15425 FCST VA CLD +12 HR: 21/0520Z SFC/FL260 N6253 E15240 - N5639 E16122 - N6148 E15054 - N6507 E15041 - N6547 E15253 FCST VA CLD +18 HR: NO VA EXP RMK: SOME PART OF VA OBSCURED BY MET CLOUD. NXT ADVISORY: 20260321/0000Z=

FVAU01 at 17:32 UTC, 20/03/26 from ADRM VA ADVISORY DTG: 20260320/1750Z VAAC: DARWIN VOLCANO: IBU 268030 PSN: N0129 E12738 AREA: INDONESIA SOURCE ELEV: 1325M AMSL ADVISORY NR: 2026/323 INFO SOURCE: HIMAWARI-9, CVGHM ERUPTION DETAILS: ERUPTION LAST REPORTED AT 20/0744Z EST VA DTG: 20/1730Z EST VA CLD: SFC/FL070 N0132 E12735 - N0133 E12741 - N0104 E12757 - N0058 E12730 MOV S 15KT FCST VA CLD +6 HR: 20/2330Z SFC/FL070 N0132 E12734 - N0133 E12741 - N0104 E12757 - N0057 E12730 FCST VA CLD +12 HR: 21/0530Z SFC/FL070 N0132 E12734 - N0134 E12741 - N0105 E12758 - N0058 E12730 FCST VA CLD +18 HR: 21/1130Z SFC/FL070 N0132 E12734 - N0134 E12741 - N0104 E12758 - N0058 E12730 RMK: VA NOT IDENTIFIABLE ON LATEST SATELLITE IMAGERY DUE TO MET CLOUD. VA EMISSIONS EXPECTED TO BE ONGOING, MOVING SSE OF SUMMIT. VA HEIGHT AND MOVEMENT BASED ON SATELLITE IMAGERY, GROUND REPORTS AND MODEL GUIDANCE. NXT ADVISORY: NO LATER THAN 20260320/2350Z=

FVXX23 at 17:49 UTC, 20/03/26 from KNES VA ADVISORY DTG: 20260320/1743Z VAAC: WASHINGTON VOLCANO: SHEVELUCH 300270 PSN: N5638 E16121 AREA: KAMCHATKA SOURCE ELEV: 10771 FT AMSL ADVISORY NR: 2026/012 INFO SOURCE: GOES-18. ANCHORAGE VAAC. NWP MODELS. ERUPTION DETAILS: REMNANT VA OVER N PACIFIC OBS VA DTG: 18/1721Z OBS VA CLD: FL200/360 N4820 W16707 - N4435 W15708 - N4252 W15741 - N4646 W16908 - N4820 W16707 MOV SE 75KT FCST VA CLD +6HR: 18/2330Z FL200/360 N4520 W15746 - N4150 W14646 - N3917 W14830 - N4301 W15924 - N4520 W15746 FCST VA CLD +12HR: 19/0530Z NO VA EXP FCST VA CLD +18HR: 19/1130Z NO VA EXP RMK: VAAC ANCHORAGE HAS TRANSFERRED RESPONSIBILITY FOR THIS EVENT TO VAAC WASHINGTON. REMNANT VA HAS MOVD INTO THE N PAC SW OF THE GULF OF AK ARND UL CYCLONE OVR S AK. VA OBSD THINNING AND STRETCHING. FL TAKEN FM PREV VAA. NWP MDLS AGREE AND FCST CONTD ESE MOVMT BFR DSIPTG ARND OR AFTER T+6. ...HOSLEY NXT ADVISORY: WILL BE ISSUED BY 20260320/2345Z