FVXX20 KNES 280739 VA ADVISORY DTG: 20240728/0739Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17342 FT (5286 M) ADVISORY NR: 2024/368 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: FRQT VA EMS OBS VA DTG: 28/0700Z OBS VA CLD: SFC/FL240 S0144 W07920 - S0159 W07820 - S0202 W07820 - S0206 W07907 - S0222 W07941 - S0202 W07958 - S0144 W07920 MOV W 25KT FCST VA CLD +6HR: 28/1300Z SFC/FL240 S0128 W08025 - S0159 W07820 - S0202 W07820 - S0219 W08029 - S0128 W08025 FCST VA CLD +12HR: 28/1900Z SFC/FL240 S0122 W07958 - S0159 W07820 - S0202 W07820 - S0202 W08008 - S0122 W07958 FCST VA CLD +18HR: 29/0100Z SFC/FL240 S0153 W07932 - S0158 W07820 - S0201 W07820 - S0221 W07928 - S0153 W07932 RMK: FRQT VA EMS OBS IN STLT IMAGERY MOVG W/WNW APPRX 90NM FM SUMMIT. VA FCST THRU T+18 HRS BASED ON NWP MDL GUIDANCE. ...COVERDALE NXT ADVISORY: WILL BE ISSUED BY 20240728/1345Z