FVXX23 KNES 120521 VA ADVISORY DTG: 20250612/0521Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2025/552 INFO SOURCE: GOES-19. NWP MODELS. ERUPTION DETAILS: PSBL VA EMS. OBS VA DTG: 12/0440Z OBS VA CLD: SFC/FL140 N0004 W07753 - S0004 W07739 - S0005 W07739 - S0001 W07756 - N0004 W07753 MOV W 10KT FCST VA CLD +6HR: 12/1030Z SFC/FL140 N0008 W07755 - S0004 W07739 - S0005 W07740 - N0001 W07758 - N0008 W07755 FCST VA CLD +12HR: 12/1630Z NO VA EXP FCST VA CLD +18HR: 12/2230Z NO VA EXP RMK: VA NOT OSBD DUE TO WX CLD CVR OBSCG AREAS OVER AND NW OF SUMMIT SINCE PREV ADVY. NWP MDLS FCST LTLCG IN WINDS THRU T+6HRS. ...HOSLEY NXT ADVISORY: WILL BE ISSUED BY 20250612/1115Z