FVXX21 KNES 291556 VA ADVISORY DTG: 20210529/1556Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/396 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: SMALL VA CLD OBS. OBS VA DTG: 29/1540Z OBS VA CLD: SFC/FL160 N0005 W07746 - S0004 W07739 - S0005 W07740 - N0002 W07751 - N0005 W07746 MOV NW 5KT FCST VA CLD +6HR: 29/2130Z SFC/FL160 N0008 W07747 - S0005 W07739 - S0005 W07740 - N0003 W07755 - N0008 W07747 FCST VA CLD +12HR: 30/0330Z NO VA EXP FCST VA CLD +18HR: 30/0930Z NO VA EXP RMK: SMALL VA CLD OBS MOV NNW OF SUMMIT APRX 15 NM PRIOR TO DSIPTG. FL BASED ON NWP MODEL GDNC WINDS. ...JLEVINE NXT ADVISORY: WILL BE ISSUED BY 20210529/2200Z