FVXX23 KNES 031601 VA ADVISORY DTG: 20210603/1601Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/419 INFO SOURCE: GOES-16. NWP MODELS. VOLCAT. ERUPTION DETAILS: CONT VA EMS OBS VA DTG: 03/1520Z OBS VA CLD: SFC/FL140 N0008 W07801 - S0004 W07739 - N0001 W07805 - N0008 W07801 MOV NW 15KT FCST VA CLD +6HR: 03/2130Z SFC/FL140 N0010 W07804 - S0004 W07739 - N0002 W07808 - N0010 W07804 FCST VA CLD +12HR: 04/0330Z NO VA EXP FCST VA CLD +18HR: 04/0930Z NO VA EXP RMK: CONT VA EMS OBS MOV NW FM SUMMIT. VA FCST TO CONT NW MOV THRU T+6HRS BEFORE DISP. VO ACT LOW TO MODERATE. ...FISHER NXT ADVISORY: WILL BE ISSUED BY 20210603/2200Z