FVXX21 KNES 091613 VA ADVISORY DTG: 20080209/1613Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 PSN: S0128 W07826 AREA: ECUADOR SUMMIT ELEV: 16480 FT (5023 M) ADVISORY NR: 2008/177 INFO SOURCE: GUAYAQUIL MWO. GOES-12. GFS WINDS. SEISMIC DETECTION. INFRASOUND DETECTION. GEOPHYSICAL INST. PILOT REPORT. ERUPTION DETAILS: CONTINUOUS EMISSIONS OBS VA DTG: 09/1515Z OBS VA CLD: SFC/FL280 S0128 W07826 - S0219 W07937 - S0134 W07943 - S0128 W07826 MOVING SW 5-15 KNOTS. FCST VA CLD +6HR: 09/2130Z SFC/FL280 S0128 W07826 - S0231 W07944 - S0140 W07955 - S0128 W07826 FCST VA CLD +12HR: 10/0330Z SFC/FL280 S0128 W07826 - S0250 W07911 - S0216 W07953 - S0128 W07826 FCST VA CLD +18HR: 10/0930Z SFC/FL280 S0128 W07826 - S0248 W07911 - S0215 W07954 - S0128 W07826 RMK: PILOT REPORTS HAVE ASH BETWEEN FL260 AND FL280. ASH IS WELL SEEN ON MULTISPECTRAL AND VISIBLE IMAGERY. SEISMIC ACTIVITY REMAINS VERY ELEVATED. WALTER ... NXT ADVISORY: WILL BE ISSUED BY 20080209/2215Z NNNN