FVXX21 KNES 261309
VOLCANIC ASH ADVISORY
ISSUED: 20070426/1308Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2007/256

INFORMATION SOURCE: GOES-12. GFS WINDS. 

ERUPTION DETAILS: ONGOING EMISSIONS.

OBS ASH DATE/TIME: 26/1245Z

OBS ASH CLOUD: SFC/FL240 6NM WIDE LINE BETWEEN
S0134 W07848 - S0128 W07828. ASH IS MOVING W 15
KNOTS. 

FCST ASH CLOUD +6H: 26/1900Z SFC/FL240 6NM WIDE
LINE BETWEEN S0129 W07828 - S0136 W07853. 

FCST ASH CLOUD +12H: 27/0100Z SFC/FL240 6NM WIDE
LINE BETWEEN S0129 W07828 - S0140 W07854. 

FCST ASH CLOUD +18H: 27/0700Z SFC/FL240 6NM WIDE
LINE BETWEEN S0128 W07828 - S0136 W07859. 

REMARKS: ASH IS VERY HARD TO DISTINGUISH IN
MORNING VISIBLE IMAGERY DUE TO WEATHER CLOUDS
SHROUDING THE REGION BUT MULTISPECTRAL IMAGERY
SHOWS A 6 NMI PLUME ABOVE THE CLOUDS AND
EXTENDING ABOUT 20 NMI TO THE WESTSOUTHWEST OF
THE SUMMIT. CLOUDS ARE THINNING SOMEWHAT AT 1245Z
BUT MORE CLOUDS WILL MOVE INTO THE REGION LATER
THIS MORNING.  HEIGHT BASED ON GFS WINDS AND LAST
NIGHTS PILOT OBSERVATION.  MODEL WINDS SUGGEST
LITTLE CHANGE IN DIRECTION THROUGH THE NEXT 18
HOURS. ...BALDWIN

NEXT ADVISORY: WILL BE ISSUED BY 20070426/1915Z

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