FVXX20 KNES 010935 VA ADVISORY DTG: 20210401/0935Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/230 INFO SOURCE: GOES-16. NWP MODELS. VOLCAT. ERUPTION DETAILS: NEW VA EMS OBS OBS VA DTG: 01/0930Z OBS VA CLD: SFC/FL150 N0002 W07802 - S0002 W07739 - S0008 W07801 - N0002 W07802 MOV W 15KT FCST VA CLD +6HR: 01/1530Z SFC/FL150 N0001 W07802 - S0002 W07739 - S0007 W07801 - N0001 W07802 FCST VA CLD +12HR: 01/2130Z NO VA EXP FCST VA CLD +18HR: 02/0330Z NO VA EXP RMK: NEW VA EMS OBS MOV W FM SUMMIT. VA EMS FCST TO CONT W MOV THRU T+6HRS BEFORE DISP. VO ACT LOW. ...FISHER NXT ADVISORY: WILL BE ISSUED BY 20210401/1530Z