FVXX23 KNES 081937 VA ADVISORY DTG: 20230808/1937Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2023/461 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: VA EM RPRTD. EST VA DTG: 08/1910Z EST VA CLD: SFC/FL140 N0005 W07753 - S0005 W07738 - S0006 W07739 - S0000 W07756 - N0005 W07753 MOV W 20KT FCST VA CLD +6HR: 09/0100Z SFC/FL140 N0009 W07759 - S0004 W07739 - S0007 W07739 - S0001 W07805 - N0009 W07759 FCST VA CLD +12HR: 09/0700Z NO VA EXP FCST VA CLD +18HR: 09/1300Z NO VA EXP RMK: VONA RPRTS VA TO 600 M ABV SUMMIT MOVG W. NWP MDLS SUGGEST VA LKLY TO MOV QUICKLY WNW. VA CLD PSBLY OBSD WITH LOW CONFDC. NWP MDLS FCST LTLCG IN WIDNS THRU T+6HRS. ...HOSLEY NXT ADVISORY: WILL BE ISSUED BY 20230809/0130Z