FVXX25 KNES 172336 VA ADVISORY DTG: 20250417/2336Z VAAC: WASHINGTON VOLCANO: POAS 345040 PSN: N1011 W08413 AREA: COSTA_RICA SUMMIT ELEV: 8848 FT (2697 M) ADVISORY NR: 2025/037 INFO SOURCE: GOES-19. WEBCAM. NWP MODELS. ERUPTION DETAILS: CONTG OCNL TO FRQT VA EMS. OBS VA DTG: 17/2250Z OBS VA CLD: SFC/FL100 N1013 W08417 - N1012 W08413 - N1011 W08413 - N1010 W08417 - N1013 W08417 MOV W 10KT FCST VA CLD +6HR: 18/0500Z SFC/FL100 N1012 W08418 - N1012 W08413 - N1011 W08413 - N1009 W08417 - N1012 W08418 FCST VA CLD +12HR: 18/1100Z SFC/FL100 N1012 W08418 - N1012 W08413 - N1011 W08413 - N1009 W08417 - N1012 W08418 FCST VA CLD +18HR: 18/1700Z SFC/FL100 N1013 W08419 - N1012 W08413 - N1011 W08413 - N1010 W08418 - N1013 W08419 RMK: MULT VA CLDS OBSD BY WEBCAM MOVG W THRU 2315Z BFR WX CLD CVR MOVD IN AND OBSCD CRATER. VA NOT OBSD BY STLT DUE TO WX CLD CVR. OBS BASED ON WEBCAM EMS AND NWP MDLS. NWP MDLS FCST VA TO MOV WSW BY T+6HRS. ...HOSLEY NXT ADVISORY: WILL BE ISSUED BY 20250418/0530Z