FVXX20 KNES 170901 VOLCANIC ASH ADVISORY ISSUED: 2006JUN17/0901Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128 W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2006/369 INFORMATION SOURCE: GUAYAQUIL MWO. GOES-12. GFS WINDS. GEOPHYSICAL INST. ERUPTION DETAILS: ASH OBSERVED 16/2030Z AND 16/2251Z OBS ASH DATE/TIME: 17/0815Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL230 MOVING TO W 10-15 KNOTS. FCST ASH CLOUD +6H: 17/1430Z FCST ASH CLOUD +12H: 17/2030Z FCST ASH CLOUD +18H: 18/0230Z REMARKS: ASH CANNOT BE SEEN IN CURRENT INFRARED OR MULTISPECTRAL SATELLITE IMAGERY THROUGH 17/0815Z BUT LOW LEVEL WEATHER CLOUDS COULD BE HINDERING ASH DETECTION. AN INTERMITTENT HOTSPOT SEEN UNTIL RECENTLY CAN NO LONGER BE SEEN PROBABLY BECUASE OF INCREASED CLOUDINESS. THE MOST RECENT KNOWN ASH OBSERVATIONS WERE AT 16/2030Z AND AGAIN AT 16/2251Z WHEN THE GEOPHYSICAL INSTITUTE OBSERVED ASH TO FL230 AND FL200 RESPECTIVELY. ... NEXT ADVISORY: WILL BE ISSUED BY 2006JUN17/1500Z NNNN