FVXX24 KNES 161328 VA ADVISORY DTG: 20211216/1328Z VAAC: WASHINGTON VOLCANO: SANTA MARIA 342030 PSN: N1445 W09133 AREA: GUATEMALA SUMMIT ELEV: 12375 FT (3772 M) ADVISORY NR: 2021/023 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: OCNL LGT VA EMS OBS IN STLT IMAGERY OBS VA DTG: 16/1310Z OBS VA CLD: SFC/FL140 N1450 W09153 - N1447 W09133 - N1443 W09133 - N1440 W09153 - N1450 W09153 MOV W 10KT FCST VA CLD +6HR: 16/1900Z SFC/FL140 N1452 W09157 - N1447 W09132 - N1443 W09132 - N1439 W09157 - N1452 W09157 FCST VA CLD +12HR: 17/0100Z NO VA EXP FCST VA CLD +18HR: 17/0700Z NO VA EXP RMK: OCNL LGT VA EMS OBS IN STLT MOVG W FM SUMMIT. SUMMIT HOTSPOT OBS IN STLT. VA DIR/HGT FM STLT AND NWP MDLS SHOWS CONT W-LY MOVMT THRU T+6. ...SAMBUCCI NXT ADVISORY: WILL BE ISSUED BY 20211216/1930Z