FVXX21 KNES 130528 VOLCANIC ASH ADVISORY ISSUED: 2006APR13/0527Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128 W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2006/193 INFORMATION SOURCE: GOES-12. GFS WINDS. ERUPTION DETAILS: ASH OBSERVED MOST RECENTLY AT 12/2320Z OBS ASH DATE/TIME: 13/0345Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL140 MOVING TO S 0-5 KNOTS. FL150/FL220 MOVING TO SW 5 KNOTS. FL230/FL250 MOVING TO W 5-10 KNOTS. FCST ASH CLOUD +6H: 13/1000Z FCST ASH CLOUD +12H: 13/1600Z FCST ASH CLOUD +18H: 13/2200Z REMARKS: NO ASH OR HOTSPOTS CAN BE SEEN IN SATELLITE IMAGERY BUT IT IS LIKELY THAT WEATHER CLOUDS AND NIGHTFALL ARE HINDERING ASH DETECTION. ASH WAS OBSERVED SEVERAL TIMES ON APRIL 12 INCLUDING AT 2320Z WHEN THE GEOPHYSICAL INST REPORTED A PLUME TO FL230. WINDS ARE LIGHT AND VARIABLE AT MOST LEVELS AND THEREFORE DIRECTION OF ANY ASH MOVEMENT IS UNCERTAIN. ... NEXT ADVISORY: WILL BE ISSUED BY 2006APR13/1130Z NNNN