FVXX20 KNES 211408 VA ADVISORY DTG: 20211121/1408Z VAAC: WASHINGTON VOLCANO: SANTA MARIA 342030 PSN: N1445 W09133 AREA: GUATEMALA SUMMIT ELEV: 12375 FT (3772 M) ADVISORY NR: 2021/015 INFO SOURCE: GOES-16. NWP MODELS. VOLCAT. ERUPTION DETAILS: CONT VA EMS OBS OBS VA DTG: 21/1340Z OBS VA CLD: SFC/FL150 N1445 W09132 - N1435 W09206 - N1444 W09207 - N1445 W09132 MOV W 10KT FCST VA CLD +6HR: 21/1930Z SFC/FL150 N1445 W09132 - N1431 W09210 - N1444 W09213 - N1445 W09132 FCST VA CLD +12HR: 22/0130Z SFC/FL150 N1446 W09132 - N1431 W09211 - N1444 W09213 - N1446 W09132 FCST VA CLD +18HR: 22/0730Z NO VA EXP RMK: CONT VA EMS OBS MOV W IN VIS STLT IMAGERY. VA FCST TO CONT W MOV THRU T+6HRS BEFORE DISP. ...FISHER NXT ADVISORY: WILL BE ISSUED BY 20211121/2015Z