FVXX20 KWBC 171528
VOLCANIC ASH ADVISORY
ISSUED: 2003OCT17/1600Z VAAC: WASHINGTON
 
VOLCANO: TUNGURAHUA  1502-08
LOCATION: S0128W07826    AREA: ECUADOR
 
SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2003/378

INFORMATION SOURCE: GOES-12 IMAGERY. GEOPHYSICAL INSTITUTE.
GFS MODEL WINDS FORECAST. GUAYAQUIL MWO SIGMET 

ERUPTION DETAILS: CONTINUED ASH AND GAS EMISSIONS.

OBS ASH DATE/TIME: 17/1445Z

OBS ASH CLOUD: SFC/FL250 32 NM WIDE LINE BETWEEN S0054W07617
S0225W07714.  ASH IS MOVING SE 5-10 KNOTS.

FCST ASH CLOUD+6H: SEE SIGMETS
Z
REMARKS: MULTISPECTRAL IMAGERY SHOWED POSSIBLE ASH FROM AN
EARLIER ERUPTION BECOMING INCREASINGLY DIFFUSE AND MORE
DIFFICULT TO DETECT AT 1445Z.  THE SUSPECT ASH CLOUD WAS 32
NM WIDE AND 106 NM LONG.  THE GEOPHYSICAL INSTITUTE REPORTED
ASH TO FL230 MOVING SOUTH FROM THE SUMMIT AT 1141Z. ALTHOUGH
NO ASH COULD BE DETECTED IN THE IMMEDIATE AREA SURROUNDING
THE VOLCANO DUE TO EXTENSIVE CLOUD COVER A HOT SPOT WAS SEEN
IN THE 1445Z IMAGE SUGGESTING ONGOING ACTIVITY.  TURK

NEXT ADVISORY: WILL BE ISSUED BY 2003OCT17/2200Z.
 
NNNN"Attached Graphic Map Depicting Ash Only" 

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