FVXX21 KNES 310408 VA ADVISORY DTG: 20211031/0408Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/968 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: PSBL CONTG VA EMS. OBS VA DTG: 31/0340Z OBS VA CLD: SFC/FL150 N0008 W07746 - N0008 W07737 - S0004 W07738 - S0004 W07740 - N0008 W07746 MOV N 5KT FCST VA CLD +6HR: 31/0930Z NO VA EXP FCST VA CLD +12HR: 31/1530Z NO VA EXP FCST VA CLD +18HR: 31/2130Z NO VA EXP RMK: VA NOT OBS IN SAT OR WEBCAM DUE TO MET CLD OBSCN. PSBL VA EMS OBS IN PAST FEW HRS MOV N FM SUMMIT. OBS VA AREA BASED ON NWP MDLS. ...CLARK NXT ADVISORY: WILL BE ISSUED BY 20211031/1015Z