FVXX25 KNES 221351 VA ADVISORY DTG: 20210422/1351Z VAAC: WASHINGTON VOLCANO: SEMISOPOCHNOI 311060 PSN: N5156 E17937 AREA: ALEUTIAN.IS SUMMIT ELEV: 4006 FT (1221 M) ADVISORY NR: 2021/016 INFO SOURCE: ERUPTION DETAILS: OBS VA DTG: /Z OBS VA CLD: FCST VA CLD +6HR: 22/1900Z FCST VA CLD +12HR: 23/0100Z FCST VA CLD +18HR: 23/0700Z RMK: PLEASE SEE FVAK21 PAWU 221340 ISSUED BY ANCHORAGE VAAC THAT DESCRIBES CONDITIONS NEAR THE WASHINGTON VAAC AREA OF RESPONSIBILITY ...TUGGLE NXT ADVISORY: WILL BE ISSUED BY 20210422/1945Z