FVXX20 KNES 041837 VA ADVISORY DTG: 20230704/1837Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17342 FT (5286 M) ADVISORY NR: 2023/475 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: VA EMS PSBL OBS VA DTG: 04/1810Z OBS VA CLD: SFC/FL210 S0154 W07843 - S0159 W07819 - S0202 W07819 - S0201 W07844 - S0154 W07843 MOV W 20KT FCST VA CLD +6HR: 05/0000Z SFC/FL210 S0152 W07850 - S0159 W07820 - S0201 W07819 - S0203 W07851 - S0152 W07850 FCST VA CLD +12HR: 05/0600Z NO VA EXP FCST VA CLD +18HR: 05/1200Z NO VA EXP RMK: PSBL VA EMS NOT OBS FM STLT OR WEBCAM DUE TO WX CLDS OBSC SUMMIT AREA. HOTSPOT DETECTED. MDL WINDS EXP TO REMAIN TO W THRU T+6 HRS. ...BROWN NXT ADVISORY: WILL BE ISSUED BY 20230705/0030Z