FVXX20 KNES 212153 VA ADVISORY DTG: 20191221/2153Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2019/1408 INFO SOURCE: GOES-EAST. VOLCAT. ERUPTION DETAILS: VA CLD SEEN IN STLT IMAGERY OBS VA DTG: 21/2100Z OBS VA CLD: SFC/FL190 N0001 W07756 - S0000 W07747 - S0007 W07750 - S0005 W07801 - N0001 W07756 MOV W 20-25KT FCST VA CLD +6HR: 22/0300Z SFC/FL190 N0005 W07852 - S0004 W07738 - S0006 W07739 - S0005 W07851 - N0005 W07852 FCST VA CLD +12HR: 22/0900Z SFC/FL190 NO ASH EXP FCST VA CLD +18HR: 22/1500Z NO ASH EXP RMK: VA CLD OBS IN STLT 11 NM W OF SUMMIT AND MOVG RPDLY. NWP MDLS SHOW CONTG W-LY MOVMT THRU T+6. ...SAMBUCCI NXT ADVISORY: WILL BE ISSUED BY 20191222/0400Z