FVXX21 KNES 101311 VA ADVISORY DTG: 20120410/1310Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 PSN: S0128 W07826 AREA: ECUADOR SUMMIT ELEV: 16480 FT (5023 M) ADVISORY NR: 2012/121 INFO SOURCE: GOES-13. GFS WINDS. SEISMIC DETECTION. WEB CAMERA ERUPTION DETAILS: ONGOING EMISSIONS OBS VA DTG: 10/1215Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS SFC/FL180 270/10KT FCST VA CLD +6HR: 10/1830Z FCST VA CLD +12HR: 11/0030Z FCST VA CLD +18HR: 11/0630Z RMK: VA NOT OBSERVED IN VISIBLE IMAGERY EVEN WITH LACK OF CLD COVER. HOWEVER, EMISSIONS OF LGT VA AND GASES OBSERVED IN WEB CAMERA AND SEISMIC DATA SHOWS PERIODS OF ELEVATED ACTIVITY ...SALEMI NXT ADVISORY: WILL BE ISSUED BY 20120410/1915Z NNNN