FVXX20 KWBC 131303 CCA
VOLCANIC ASH ADVISORY - CORRECTION
ISSUED: 2003JUN13/1230Z   VAAC: WASHINGTON

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

ADVISORY NUMBER: 2003/078
 
INFORMATION SOURCE: GOES-12 IMAGERY. AVN MODEL WINDS FORECAST.
GEOPHYSICAL INSTITUTE. PILOT REPORT.

ERUPTION DETAILS: ASH EMISSIONS STARTING AT 06/2000Z.
 
OBS ASH DATE/TIME: 13/1215Z
 
OBS ASH CLOUD: ASH NOT IDENTIFIABLE IN SATELLITE DATA.  WINDS
SFC/FL260 MOVING W 15-20 KNOTS.

FCST ASH CLOUD +6H: SEE SIGMETS
 
REMARKS: CORRECTION TO UPDATE HEIGHT OF ASH TO FL260 BASED ON NEW
PILOT REPORT AND SIGMET AT 1225Z...THE LATEST REPORT FROM THE
GEOPHYSICAL INSTITUTE REPORTED ASH UP TO FL230 AT 1205Z. EARLY
MORNING VISIBLE IMAGERY SHOWS QUITE A BIT OF HIGH LEVEL CIRRUS IN
THE VICINITY OF THE VOLCANO. THERE ARE VISUAL INDICATIONS OF A
POSSIBLE PLUME WEST OF THE SUMMIT WHICH MATCHES WELL WITH THE
WINDS IN THE AREA...HOWEVER IT CANNOT BE DISCERNED THROUGH THE
WEATHER CLOUDS. IF THE WEATHER CLOUDS BREAK AND A PLUME IS
DETECTED...WILL UPDATE VAA EARLIER THAN SCHEDULED...GALLINA

NEXT ADVISORY: WILL BE ISSUED BY 20003JUN13/1830Z.

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