FVXX24 KNES 270406 VA ADVISORY DTG: 20250527/0406Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2025/491 INFO SOURCE: GOES-18. WEBCAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: CONT VA EMS OBS OBS VA DTG: 27/0340Z OBS VA CLD: SFC/FL150 N0008 W07819 - S0004 W07739 - S0004 W07820 - N0008 W07819 MOV W 10KT FCST VA CLD +6HR: 27/0930Z SFC/FL150 N0008 W07819 - S0004 W07739 - S0004 W07820 - N0008 W07819 FCST VA CLD +12HR: 27/1530Z SFC/FL150 N0008 W07819 - S0004 W07739 - S0004 W07820 - N0008 W07819 FCST VA CLD +18HR: 27/2130Z SFC/FL150 N0008 W07819 - S0004 W07739 - S0004 W07820 - N0008 W07819 RMK: CONT VA EMS OBS MOV WNW IN STLT IMAGERY EXTD 40NM FM SUMMIT. VA FCST TO CONT WNW MOV FM SUMMIT THRU T+18HRS BEFORE DISP. VO ACT MODERATE. ...FISHER NXT ADVISORY: WILL BE ISSUED BY 20250527/1000Z