FVXX22 KNES 211215 VA ADVISORY DTG: 20210421/1215Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/299 INFO SOURCE: GOES-16. VONA. WEBCAM. NWP MODELS. ERUPTION DETAILS: INTMT VA CLD EMS. OBS VA DTG: 21/1150Z OBS VA CLD: SFC/FL155 N0004 W07752 - S0005 W07739 - S0005 W07740 - S0004 W07755 - N0004 W07752 MOV W 10KT FCST VA CLD +6HR: 21/1800Z SFC/FL155 N0008 W07737 - N0002 W07726 - S0005 W07739 - S0005 W07740 - N0008 W07737 FCST VA CLD +12HR: 22/0000Z NO VA EXP FCST VA CLD +18HR: 22/0600Z NO VA EXP RMK: VONA RPRTS VA CLD AT 1109Z MOVG NW. WEBCAM SHOWS VRY SML VA CLD AT 1058Z AND THE VONA RPRTD VA CLD AT 1108Z AND SUGGESTS WNW MOVMT. NWP MDLS AGREE AND FCST VA TO MOV NE AT T+6. ...HOSLEY NXT ADVISORY: WILL BE ISSUED BY 20210421/1815Z