FVXX20 KNES 310455 VA ADVISORY DTG: 20130731/0455Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 PSN: S0128 W07826 AREA: ECUADOR SUMMIT ELEV: 16480 FT (5023 M) ADVISORY NR: 2013/233 INFO SOURCE: GOES-13. GFS WINDS. SEISMIC DETECTION. ERUPTION DETAILS: ONGOING EMISSIONS OBS VA DTG: 31/0415Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS SFC/FL220 090/10-20KT FL220/FL250 070/5-10KT FCST VA CLD +6HR: 31/1030Z FCST VA CLD +12HR: 31/1630Z FCST VA CLD +18HR: 31/2230Z RMK: NO VA IS SEEN IN NIGHTIME IMAGERY ALTHOUGH THERE ARE EXTENSIVE WX CLOUDS PRESENT. THE VOLCANO IS SEISMICALLY ACTIVE. NUMEROUS VA EMISSIONS WERE REPORTED OVER THE PAST DAY. ...SCHWARTZ NXT ADVISORY: WILL BE ISSUED BY 20130731/1100Z