FVXX20 KNES 230951 VA ADVISORY DTG: 20110519/0402Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 PSN: S0128 W07826 AREA: ECUADOR SUMMIT ELEV: 16480 FT (5023 M) ADVISORY NR: 2011/091 INFO SOURCE: GUAYAQUIL MWO. GOES-13. GFS WINDS. PILOT REPORT. GEOPHYSICAL INST. ERUPTION DETAILS: ONGOING EMISSION OF GASES AND BURSTS OF ASH OBS VA DTG: 19/0315Z OBS VA CLD: SFC/FL290 S0126 W07825 - S0142 W07828 - S0211 W07853 - S0137 W07859 - S0126 W07825 MOV SW 15KT FCST VA CLD +6HR: 19/0930Z SFC/FL290 S0126 W07826 - S0146 W07827 - S0223 W07904 - S0148 W07917 - S0126 W07826 FCST VA CLD +12HR: 19/1530Z SFC/FL290 S0127 W07826 - S0156 W07823 - S0238 W07901 - S0200 W07922 - S0127 W07826 FCST VA CLD +18HR: 19/2130Z SFC/FL290 S0128 W07825 - S0157 W07822 - S0240 W07901 - S0202 W07920 - S0128 W07825 RMK: HOTSPOT AND SHORT PLUME SEEN IN IMAGERY AND ASH MAY EXTEND SLIGHTLY BEYOND AREA DUE TO CLOUDS. SO2 IS HIGH IN PLUME. ...SWANSON NXT ADVISORY: WILL BE ISSUED BY 20110519/1000Z