FVXX20 KNES 280417 VA ADVISORY DTG: 20090528/0416Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 PSN: S0128 W07826 AREA: ECUADOR SUMMIT ELEV: 16480 FT (5023 M) ADVISORY NR: 2009/178 INFO SOURCE: GUAYAQUIL MWO. GOES-12. GFS WINDS. SEISMIC DETECTION. GEOPHYSICAL INST. ERUPTION DETAILS: ONGOING EMISSIONS OBS VA DTG: 28/0345Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS SFC/FL210 60/10-15KT FCST VA CLD +6HR: 28/1000Z FCST VA CLD +12HR: 28/1600Z FCST VA CLD +18HR: 28/2200Z RMK: NO VA OBSERVED DUE TO DARKNESS. LATEST SHORTWAVE IMAGERY SHOWS BRILLIANT HOT SPOT. SEISMOGRAPH SHOWS NEW SHARP SPIKES. NEAR SUMMIT ASH IS POSSIBLE WHICH WOULD MOVE NW. ...SCHWARTZ NXT ADVISORY: WILL BE ISSUED BY 20090528/1015Z NNNN