FVXX20 KNES 101621 VA ADVISORY DTG: 20190510/1621Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2019/519 INFO SOURCE: GOES-EAST. NWP MODELS. VOLCAT. ERUPTION DETAILS: OCNL EM OBS VA DTG: 10/1600Z OBS VA CLD: SFC/FL170 N0007 W07757 - S0003 W07738 - S0007 W07740 - N0002 W07759 - N0007 W07757 MOV NW 10-15KT FCST VA CLD +6HR: 10/2200Z SFC/FL170 N0007 W07757 - S0003 W07738 - S0007 W07740 - N0002 W07801 - N0007 W07757 FCST VA CLD +12HR: 11/0400Z SFC/FL170 N0005 W07759 - S0004 W07738 - S0008 W07740 - S0000 W07801 - N0005 W07759 FCST VA CLD +18HR: 11/1000Z SFC/FL170 N0005 W07758 - S0004 W07737 - S0008 W07740 - S0000 W07801 - N0005 W07758 RMK: VA NOT SEEN IN STLT IMAGERY DUE TO WX CLD BUT WEB CAM SHOWS OCNL EM. OBS VA BASED ON MODEL FCST WINDS AT FL170. LTLCG EXP. ...TURK NXT ADVISORY: WILL BE ISSUED BY 20190510/2215Z