FVXX23 KNES 192118 VA ADVISORY DTG: 20190519/2118Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2019/551 INFO SOURCE: GOES-EAST. NWP MODELS. ERUPTION DETAILS: ONGOING VA EMS OBS VA DTG: 19/2100Z OBS VA CLD: SFC/FL170 S0004 W07740 - S0006 W07738 - S0014 W07750 - S0004 W07753 - S0004 W07740 MOV SW 5KT FCST VA CLD +6HR: 20/0300Z SFC/FL170 S0001 W07756 - S0002 W07739 - S0007 W07739 - S0011 W07757 - S0001 W07756 FCST VA CLD +12HR: 20/0900Z SFC/FL170 S0000 W07757 - S0002 W07738 - S0008 W07738 - S0010 W07758 - S0000 W07757 FCST VA CLD +18HR: 20/1500Z SFC/FL170 N0001 W07753 - S0004 W07738 - S0008 W07741 - S0007 W07802 - N0001 W07753 RMK: VA IS NOT VISIBLE IN STLT IMAGERY OR WEBCAM DUE TO DENSE WX CLDS. VA IS DRAWN BASED ON PREVIOUS VAA AND NWP MODEL GUIDANCE. ...ZHU NXT ADVISORY: WILL BE ISSUED BY 20190520/0315Z