FVXX23 KNES 281219 VA ADVISORY DTG: 20210528/1219Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/394 INFO SOURCE: GOES-16. VONA. WEBCAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: NEW VA EMS OBS VA DTG: 28/1200Z OBS VA CLD: SFC/FL150 N0008 W07753 - S0004 W07740 - N0003 W07758 - N0008 W07753 MOV NW 10KT FCST VA CLD +6HR: 28/1800Z NO VA EXP FCST VA CLD +12HR: 29/0000Z NO VA EXP FCST VA CLD +18HR: 29/0600Z NO VA EXP RMK: RPRTS OF NEW VA EMS MOV NW FM SUMMIT. VA EMS FCST TO CONT NW MOV THRU T+6HRS BEFORE DISP. VO ACTIVITY LOW TO MODERATE. ...FISHER NXT ADVISORY: WILL BE ISSUED BY 20210528/1815Z