FVXX21 KWBC 100830
VOLCANIC ASH ADVISORY 
ISSUED: 2003MAR10/0830Z   VAAC: WASHINGTON 

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

ADVISORY NUMBER: 2003/014

INFORMATION SOURCE: GOES-8 IMAGERY. GFS MODEL WINDS FORECAST.
                            
ERUPTION DETAILS: ASH OBSERVED 09/1846Z.

OBS ASH DATE/TIME: 10/0745Z

OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS
FL100/FL180 MOVING SW 10-15 KNOTS.  FL200/FL290 MOVING E 5 KNOTS. 

FCST ASH CLOUD +6H: SEE SIGMETS.

REMARKS:  NO ASH CAN BE DETECTED IN MULTISPECTRAL OR INFRARED
SATELLITE IMAGERY THROUGH 0745Z.  HOWEVER LOW LEVEL WEATHER
CLOUDS MIGHT BE HINDERING ASH DETECTION.  THE MOST RECENT KNOWN
ASH REPORT WAS AT 09/1846Z WHEN THE GEOPHYSICAL INSTITUTE
OBSERVED ASH TO FL290.  WINDS NEAR FL200 ARE LIGHT AND VARIABLE
SO THERE IS A HIGHER UNCERTAINTY THAN USUAL WITH RESPECT TO WIND
DIRECTION.

NEXT ADVISORY: WILL BE ISSUED BY 2003MAR10/1430Z

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