FVXX20 KNES 152211 VA ADVISORY DTG: 20210815/2211Z VAAC: WASHINGTON VOLCANO: FUEGO 342090 PSN: N1428 W09052 AREA: GUATEMALA SUMMIT ELEV: 12346 FT (3763 M) ADVISORY NR: 2021/736 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: VA EMS OBS IN SUMMIT WEBCAM OBS VA DTG: 15/2150Z OBS VA CLD: SFC/FL150 N1431 W09109 - N1429 W09053 - N1426 W09052 - N1423 W09108 - N1431 W09109 MOV W 10KT FCST VA CLD +6HR: 16/0400Z SFC/FL150 N1435 W09113 - N1429 W09053 - N1426 W09053 - N1425 W09114 - N1435 W09113 FCST VA CLD +12HR: 16/1000Z NO VA EXP FCST VA CLD +18HR: 16/1600Z NO VA EXP RMK: VA EMS CONT OBS IN SUMMIT WEBCAM. LOW CONF IN VAA DUE TO WX CLDS OVER SUMMIT REGION. VA HGT/DIR FM PREV VAA. NWP MDLS SHOWS A W-LY TO WNW-LY MOVMT TREND THRU T+6. ...SAMBUCCI NXT ADVISORY: WILL BE ISSUED BY 20210816/0415Z