FVXX24 KNES 201843 VA ADVISORY DTG: 20250520/1843Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2025/469 INFO SOURCE: GOES-18. WEBCAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: CONT VA EMS OBS IN STLT OBS VA DTG: 20/1810Z OBS VA CLD: SFC/FL140 N0001 W07749 - S0004 W07739 - S0004 W07751 - N0001 W07749 MOV W 10KT FCST VA CLD +6HR: 21/0000Z SFC/FL140 N0002 W07750 - S0004 W07739 - S0004 W07752 - N0002 W07750 FCST VA CLD +12HR: 21/0600Z SFC/FL140 N0002 W07751 - S0004 W07739 - S0004 W07752 - N0002 W07751 FCST VA CLD +18HR: 21/1200Z SFC/FL140 N0003 W07752 - S0004 W07739 - S0004 W07753 - N0003 W07752 RMK: CONT VA EMS OBS IN STLT IMAGERY MOV WNW FM SUMMIT. VA FCST TO CONT WNW MOV THRU T+18HRS BEFORE DISP AS WIND FOCAST REMAINS CONSISTENT. VO ACT MODERATE. ...FISHER NXT ADVISORY: WILL BE ISSUED BY 20250521/0045Z