FVXX23 KNES 200921 VA ADVISORY DTG: 20210320/0921Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/201 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: POSSIBLE ONGOING EMS. OBS VA DTG: 20/0900Z OBS VA CLD: SFC/FL160 N0010 W07731 - N0005 W07725 - S0005 W07738 - S0003 W07739 - N0010 W07731 MOV NE 10KT FCST VA CLD +6HR: 20/1500Z NO VA EXP FCST VA CLD +12HR: 20/2100Z NO VA EXP FCST VA CLD +18HR: 21/0300Z NO VA EXP RMK: DENSE WX CLD COVER HAS MOVED INTO REGION OBSTRUCTING ANY VIEW OF VA IN WEBCAM OR STLT IMAGERY. HOWEVER PAST RECENT HIST SUGGESTS ONGOING ACT. NEW GRAPHIC BASED ON PREV UPDATE AND NWP MDLS. ...LEE NXT ADVISORY: WILL BE ISSUED BY 20210320/1515Z