FVXX20 KNES 091621 VA ADVISORY DTG: 20210409/1621Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/255 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: PSBL VA EMS OBS VA DTG: 09/1550Z OBS VA CLD: SFC/FL160 N0001 W07758 - S0003 W07739 - S0006 W07739 - S0001 W07758 - N0001 W07758 MOV NW 15KT FCST VA CLD +6HR: 09/2200Z SFC/FL160 N0007 W07801 - S0003 W07740 - S0005 W07739 - S0002 W07801 - N0007 W07801 FCST VA CLD +12HR: 10/0400Z NO VA EXP FCST VA CLD +18HR: 10/1000Z NO VA EXP RMK: PSBL VA EMS MOVG NW AND MSTLY OBSCD BY WX CLDS. NWP FCSTS FL AND WINDS TO BE GENLY CONSISTENT THRU T+6 ...MLEVINE NXT ADVISORY: WILL BE ISSUED BY 20210409/2215Z