FVXX22 KNES 251028 VA ADVISORY DTG: 20230525/1028Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17342 FT (5286 M) ADVISORY NR: 2023/387 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: INTMT VA EMS. OBS VA DTG: 25/1000Z OBS VA CLD: SFC/FL210 S0137 W07815 - S0142 W07804 - S0202 W07820 - S0201 W07822 - S0137 W07815 MOV N 5KT FCST VA CLD +6HR: 25/1600Z SFC/FL210 S0116 W07813 - S0123 W07753 - S0202 W07820 - S0201 W07822 - S0116 W07813 FCST VA CLD +12HR: 25/2200Z NO VA EXP FCST VA CLD +18HR: 26/0400Z NO VA EXP RMK: VA OBSD DRIFTING NNE-WARD AFTER WX CLD CVR MOVED OFF SUMMIT. NWP MDLS SUGGEST VA AT FL210 AND FCST LTLCG THRU T+6HRS. ...HOSLEY NXT ADVISORY: WILL BE ISSUED BY 20230525/1630Z