FVXX21 KNES 302131 VA ADVISORY DTG: 20080730/2130Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 PSN: S0128 W07826 AREA: ECUADOR SUMMIT ELEV: 16480 FT (5023 M) ADVISORY NR: 2008/648 INFO SOURCE: GUAYAQUIL MWO. GOES-12. GFS WINDS. GEOPHYSICAL INST. ERUPTION DETAILS: ONGOING EMISSIONS OBS VA DTG: 30/2045Z OBS VA CLD: SFC/FL250 5NM WIDE LINE BETWEEN S0131 W07846 - S0128 W07827. MOV W 10-15KT FCST VA CLD +6HR: 31/0300Z SFC/FL250 5NM WIDE LINE BETWEEN S0129 W07826 - S0147 W07843. FCST VA CLD +12HR: 31/0900Z SFC/FL250 5NM WIDE LINE BETWEEN S0129 W07825 - S0149 W07840. FCST VA CLD +18HR: 31/1500Z SFC/FL250 5NM WIDE LINE BETWEEN S0129 W07827 - S0149 W07841. RMK: AN ASH PLUME COULD BE SEEN EXTENDING 20 NMI TO THE WEST SOUTHWEST OF THE SUMMIT AT 2045Z. ASH HEIGHT IS BASED ON THE LATEST OBSERVATION FROM THE GEOPHYSICAL INSTITUTE AT 1856Z. ...TURK NXT ADVISORY: WILL BE ISSUED BY 20080731/0330Z NNNN