FVXX21 KNES 301428
VOLCANIC ASH ADVISORY
ISSUED: 2005SEP30/1428Z   VAAC: WASHINGTON

VOLCANO: TUNGURAHUA 1502-08
LOCATION: S0128 W07826   AREA: ECUADOR

SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2005/149

INFORMATION SOURCE: GUAYAQUIL MWO. GOES-12. GFS
MODEL WINDS. PILOT REPORT. 

ERUPTION DETAILS: ASH OBSERVED 30/1342Z

OBS ASH DATE/TIME: 30/1345Z

OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE
DATA. WINDS FL100/FL150 MOVING TO E 5-10 KNOTS.

FCST ASH CLOUD +6H: 30/2000Z 

FCST ASH CLOUD +12H: 01/0200Z 

FCST ASH CLOUD +18H: 01/0800Z 

REMARKS: TWO PILOTS REPORTED VOLCANIC ASH MOVING
TOWARDS THE EAST AT 1342Z.  THE VERY FIRST VISIBLE
IMAGE AT 1115Z SUGGESTED A POSSIBLE FAINT PLUME
EXTENDED APPROXIMATELY 12 NMI TO THE EAST BUT
SINCE THEN THE HIGHER SUN ANGLE AND CUMULUS CLOUD
DEVELOPMENT HAS PREVENTED DETECTION OF ANY ASH.  
IT SHOULD BE NOTED THAT BECAUSE THE GFS MODEL
OUTPUT DOES NOT AGREE WITH THE OBSERVED DIRECTION
OF MOTION THE WIND SPEED IS UNCERTAIN. ...TURK

NEXT ADVISORY: WILL BE ISSUED BY 2005SEP30/2030Z

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