FVXX21 KNES 100513 VA ADVISORY DTG: 20211010/0513Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/877 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: VA EM OBSD OBS VA DTG: 10/0440Z OBS VA CLD: SFC/FL170 N0006 W07753 - S0004 W07740 - S0005 W07740 - N0002 W07756 - N0006 W07753 MOV NW 10KT FCST VA CLD +6HR: 10/1030Z SFC/FL170 N0003 W07753 - S0004 W07740 - S0005 W07740 - S0001 W07756 - N0003 W07753 FCST VA CLD +12HR: 10/1630Z SFC/FL170 N0004 W07752 - S0004 W07740 - S0005 W07740 - S0001 W07755 - N0004 W07752 FCST VA CLD +18HR: 10/2230Z NO VA EXP RMK: VA EM RECENTLY SEEN ON STLT IMAGERY MOV NW FM SUMMIT. VA FL AND FRCST BASED ON IMAGERY AND NWP MODELS. LTLCG EXPCD THRU FRCST PERIOD. ...KIM NXT ADVISORY: WILL BE ISSUED BY 20211010/1115Z