FVXX20 KNES 130849 VOLCANIC ASH ADVISORY ISSUED: 20060813/0847Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128 W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2006/531 INFORMATION SOURCE: GOES-12. GFS WINDS. GEOPHYSICAL INST. ERUPTION DETAILS: ASH CLOUD OBSERVED AT 12/1715Z OBS ASH DATE/TIME: 13/0815Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL180 MOVING TO W 10-20 KNOTS. FCST ASH CLOUD +6H: 13/1430Z FCST ASH CLOUD +12H: 13/2030Z FCST ASH CLOUD +18H: 14/0230Z REMARKS: NO ASH CAN BE SEEN IN INFRARED OR MULTISPECTRAL SATELLITE IMAGERY. HOWEVER A BRIGHT HOTSPOT HAS BEEN SEEN FOR SEVERAL HOURS. THE MOST RECENT KNOWN ASH OBSERVATION WAS AT 12/1715Z WHEN THE GEOPHYSICAL INSTITUTE OBSERVED ASH TO FL165. MODEL WINDS SUGGEST THAT ANY ASH NEAR SUMMIT LEVEL WOULD MOVE WESTWARD NOW AND THROUGHOUT THE NEXT 18 HOURS. ... NEXT ADVISORY: WILL BE ISSUED BY 20060813/1445Z NNNN