FVXX22 KNES 071335 VA ADVISORY DTG: 20231207/1335Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17342 FT (5286 M) ADVISORY NR: 2023/897 INFO SOURCE: GOES-16. VONA. WEBCAM. NWP MODELS. ERUPTION DETAILS: VA EMS MOVG W OBS VA DTG: 07/1310Z OBS VA CLD: SFC/FL200 S0156 W07837 - S0200 W07820 - S0201 W07820 - S0204 W07837 - S0156 W07837 MOV W 10KT FCST VA CLD +6HR: 07/1900Z SFC/FL200 S0151 W07850 - S0200 W07820 - S0201 W07820 - S0205 W07852 - S0151 W07850 FCST VA CLD +12HR: 08/0100Z NO VA EXP FCST VA CLD +18HR: 08/0700Z NO VA EXP RMK: VA EMS OBS IN STLT IMAGERY MOVG W APPRX 20NM FM SUMMIT. WEBCAM OBSCD BY WX CLDS. VONA RPRT ALSO RCVD. VA FCST THRU T+6 HRS BASED ON NWP MDLS. ...COVERDALE NXT ADVISORY: WILL BE ISSUED BY 20231207/1930Z