FVXX20 KNES 311341 VA ADVISORY DTG: 20190831/1341Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2019/946 INFO SOURCE: GOES-EAST. NWP MODELS. ERUPTION DETAILS: POSS VA EMS OBS VA DTG: 31/1320Z OBS VA CLD: SFC/FL140 S0001 W07759 - S0004 W07739 - S0005 W07739 - S0007 W07759 - S0001 W07759 MOV W 20KT FCST VA CLD +6HR: 31/1930Z SFC/FL140 NO ASH EXP FCST VA CLD +12HR: 01/0130Z NO ASH EXP FCST VA CLD +18HR: 01/0730Z NO ASH EXP RMK: VA IS NOT OBS IN STLT IMAGERY. OCNL HOTSPOT IS OBS. VA IS DRAWN BASED ON PREVIOUS VAA AND NWP MDL WND. ...ZHU NXT ADVISORY: WILL BE ISSUED BY 20190831/1945Z