FVXX21 KNES 270715 VOLCANIC ASH ADVISORY ISSUED: 20070727/0714Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128 W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2007/453 INFORMATION SOURCE: GOES-12. GFS WINDS. GUAYAQUIL SIGMETS ERUPTION DETAILS: ONGOING ASH AND GAS EMISSIONS OBS ASH DATE/TIME: 27/0645Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/250 MOVING TO W 20-25 KNOTS. FCST ASH CLOUD +6H: 27/1300Z FCST ASH CLOUD +12H: 27/1900Z FCST ASH CLOUD +18H: 28/0100Z REMARKS: NO ASH OR HOTSPOTS CAN BE DETECTED IN SATELLITE IMAGERY PROBABLY BECAUSE OF THE LOW LEVEL WEATHER CLOUDS IN THE AREA. THE MOST RECENT KNOWN ASH OBSERVATION WAS A 26/2104Z PIREP CITING WESTWARD MOVING ASH TO FL250. ... NEXT ADVISORY: WILL BE ISSUED BY 20070727/1315Z