FVXX20 KWBC 131926       
VOLCANIC ASH ADVISORY
ISSUED: 2003OCT13/1930Z VAAC: WASHINGTON
 
VOLCANO: TUNGURAHUA  1502-08
LOCATION: S0128W07826    AREA: ECUADOR
 
SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2003/361

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

ERUPTION DETAILS: EXHALATION AT 10/1645Z

OBS ASH DATE/TIME: 13/1845Z

OBS ASH CLOUD: WINDS FL100/180 MOVING NW AT 10-15 KNOTS.
FL180/250 6 NM WIDE LINE BETWEEN S0128W07826 S0127W07805. 
ASH IS MOVING E AT 5-10 KNOTS. 

FCST ASH CLOUD+6H: SEE SIGMETS.

REMARKS: SATELLITE IMAGERY AT 13/1845Z SHOWS ASH MOVING
EAST AND EXTENDING 23 NM FROM THE SUMMIT. THE GFS MODEL
WINDS FORECAST CONFIRMS THAT ASH IS MOVING E TO ENE.  A
13/1436Z AIRCRAFT REPORT INDICATED ASH WAS MOVING SOUTHEAST
TO FL250. HOTSPOT ACTIVITY CAN BE SEEN IN SHORTWAVE IMAGERY.
WE WILL CONTINUE TO CLOSELY MONITOR THE DIRECTION OF ASH
MOVEMENT AND ADVISE AS NEEDED. .....KIBLER

NEXT ADVISORY: WILL BE ISSUED BY 2003OCT14/0130Z.  
 
NNNN"Attached Graphic Map Depicting Ash Only" 

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