FVXX20 KNES 301258 VA ADVISORY DTG: 20190730/1258Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2019/819 INFO SOURCE: GOES-EAST. VONA. WEB CAM. NWP MODELS. ASH3D. GEOPHYSICAL INST. ERUPTION DETAILS: INTMT VA CLDS OBS VA DTG: 30/1240Z OBS VA CLD: SFC/FL150 N0025 W07853 - S0004 W07740 - S0005 W07739 - N0005 W07855 - N0025 W07853 MOV W 25-30KT FCST VA CLD +6HR: 30/1830Z SFC/FL150 N0013 W07855 - S0004 W07739 - S0005 W07739 - S0005 W07856 - N0013 W07855 FCST VA CLD +12HR: 31/0030Z SFC/FL150 N0005 W07855 - S0004 W07739 - S0005 W07739 - S0009 W07856 - N0005 W07855 FCST VA CLD +18HR: 31/0630Z SFC/FL150 N0006 W07855 - S0004 W07739 - S0005 W07740 - S0009 W07856 - N0006 W07855 RMK: INTMT VA CLDS SEEN IN STLT IMAGERY AND MOVING RAPIDLY WESTWARD FM SUMMIT. VA IS EXTDG MUCH FARTHER THAN FIRST SEEN BASED ON VISIBLE IMAGERY. MULTIPLE VONA RPRTS OF VA RPRTD BY GI. MODEL GUIDANCE SHOWS A W-SW MOV THRU T+18 HRS. ...KIBLER NXT ADVISORY: WILL BE ISSUED BY 20190730/1900Z