FVXX21 KNES 130413 VA ADVISORY DTG: 20210813/0413Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/634 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: PSBL VA CLD DETECTION. OBS VA DTG: 13/0340Z OBS VA CLD: SFC/FL150 N0004 W07749 - S0004 W07738 - S0005 W07740 - S0004 W07753 - N0004 W07749 MOV W 10KT FCST VA CLD +6HR: 13/0930Z NO VA EXPSFC/FL150 N0005 W07755 - S0004 W07738 - S0005 W07739 - S0007 W07758 - N0005 W07755 FCST VA CLD +12HR: 13/1530Z NO VA EXP FCST VA CLD +18HR: 13/2130Z NO VA EXP RMK: PSBL VA CLD OBSD MOVG WNW FM SUMMIT. NO ACT OBSD IN WEBCAM. NWP MDLS FCST LTLCG IN WINDS THRU T+6. ...HOSLEY NXT ADVISORY: WILL BE ISSUED BY 20210813/1015Z