FVXX26 KNES 131222 VA ADVISORY DTG: 20210813/1222Z VAAC: WASHINGTON VOLCANO: SANTA MARIA 342030 PSN: N1445 W09133 AREA: GUATEMALA SUMMIT ELEV: 12375 FT (3772 M) ADVISORY NR: 2021/007 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: OCNL VA EMS OBS IN STLT IMAGERY OBS VA DTG: 13/1200Z OBS VA CLD: SFC/FL140 N1452 W09150 - N1447 W09132 - N1442 W09132 - N1442 W09150 - N1452 W09150 MOV W 10KT FCST VA CLD +6HR: 13/1800Z SFC/FL140 N1453 W09153 - N1448 W09132 - N1442 W09132 - N1441 W09153 - N1453 W09153 FCST VA CLD +12HR: 14/0000Z NO VA EXP FCST VA CLD +18HR: 14/0600Z NO VA EXP RMK: OCNL VA EMS OBS IN STLT MOVG W FM SUMMIT. LOW CONF WITH VAA DUE TO WX CLDS. VA HGT/DIR FM STLT AND NWP MDLS SHOWS CONT W-LY MOVMT THRU T+6. ...SAMBUCCI NXT ADVISORY: WILL BE ISSUED BY 20210813/1815Z