FVXX20 KNES 141617 VA ADVISORY DTG: 20140814/1617Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 352080 PSN: S0128 W07826 AREA: ECUADOR SUMMIT ELEV: 16480 FT (5023 M) ADVISORY NR: 2014/286 INFO SOURCE: GOES-EAST. GUAYAQUIL MWO. PILOT REPORT. GFS WINDS. ECMWF WINDS. UKMET WINDS. SEISMIC DETECTION. VOLCANO WEB CAMERA. GEOPHYSICAL INST. ERUPTION DETAILS: SHORT DURATION EXPLOSION RPT 14/1526Z CONTINUOUS GAS/STEAM/LGT VA ONGOING OBS VA DTG: 14/1545Z OBS VA CLD: SFC/FL220 S0123 W07918 - S0124 W07832 - S0131 W07833 - S0133 W07905 - S0150 W07950 - S0130 W07958 - S0123 W07918 MOV W 15-20KT FCST VA CLD +6HR: 14/2200Z SFC/FL220 S0116 W07940 - S0122 W07823 - S0135 W07823 - S0150 W07936 - S0116 W07940 FL230/FL380 NO ASH EXP FCST VA CLD +12HR: 15/0400Z SFC/FL220 S0116 W07940 - S0122 W07823 - S0134 W07823 - S0150 W07936 - S0116 W07940 FCST VA CLD +18HR: 15/1000Z SFC/FL220 S0116 W07940 - S0122 W07823 - S0134 W07823 - S0150 W07936 - S0116 W07940 RMK: IG RPT AND SIGMET RPT VA TO FL380... THIS EXPLOSTION WAS SHORT DURATION AND COULD NOT BE DETECTED IN SATELLITE IMAGERY THROUGH 1545Z. HOWEVER... THE CONTINUOUS EMISSION PLUME OF MAINLY STEAM/GASES REMAINS MVG W WITH LOW VA CONTENT. ...GALLINA NXT ADVISORY: WILL BE ISSUED BY 20140814/2215Z