FVXX20 KNES 011518 VA ADVISORY DTG: 20230901/1518Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2023/521 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: POSS VA EMS OBS VA DTG: 01/1450Z OBS VA CLD: SFC/FL150 N0008 W07759 - S0004 W07739 - S0006 W07740 - S0002 W07803 - N0008 W07759 MOV W 10KT FCST VA CLD +6HR: 01/2100Z SFC/FL150 N0010 W07809 - S0002 W07740 - S0007 W07739 - S0006 W07813 - N0010 W07809 FCST VA CLD +12HR: 02/0300Z NO VA EXP FCST VA CLD +18HR: 02/0900Z NO VA EXP RMK: VA IS NOT OBS ON STLT DUE TO WX CLDS, BUT IS LIKELY IN THE AREA. VA IS DRAWN BASED ON PREV VAA AND NWP MDL WND. ...ZHU NXT ADVISORY: WILL BE ISSUED BY 20230901/2115Z