FVXX21 KWBC 132230
VOLCANIC ASH ADVISORY 
ISSUED: 2003MAR13/2230Z   VAAC: WASHINGTON 

VOLCANO: TUNGURAHUA  1502-08
LOCATION: S0128W07826    AREA: ECUADOR
                              
SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2003/028

INFORMATION SOURCE: GOES-8 IMAGERY. GFS MODEL WINDS FORECAST.     
                              
ERUPTION DETAILS: EMISSION OF GASES AND LIGHT ASH. 

OBS ASH DATE/TIME: 13/2145Z.

OBS ASH CLOUD: SFC/FL170 9 NM WIDE LINE OF ASH EXTENDING BETWEEN
S0128W07826 S0124W07845 ASH MOVING W 10 KNOTS.

FCST ASH CLOUD +6H: SEE SIGMETS.

REMARKS: A AIRCRAFT REPORT FROM 13/2127Z REPORTS ASH OVER THE
VOLCANO TO FL210 MOVING TO THE SOUTH. SATELLITE IMAGERY SHOWS AN
AREA OF WHAT APPEARS TO BE FAINT ASH EXTENDING WEST FROM THE
VOLCANO AROUND 20 NM. BASED ON WINDS THAT ASH SHOULD BE BELOW
FL170. NOTHING CAN BE SEEN MOVING SOUTH FROM THE VOLCANO IN
IMAGERY HOWEVER WINDS ABOVE FL170 ARE FORECAST TO BE LIGHT AND
VARIABLE. 

NEXT ADVISORY: WILL BE ISSUED BY 2003/MAR140430Z. 

NNNN"Attached Graphic Map Depicting Ash Only" 

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