FVXX20 KWBC 300650
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 0650 UTC 30 JULY 1999 BY THE WASHINGTON VAAC 
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COLIMA 99-046    MEXICO      19.51N 103.62W
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BACKGROUND:    COLIMA MEXICO  (1401-04)
               SUMMIT HEIGHT 13451 FT (4100M)
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SOURCES OF INFORMATION: GOES8 VISIBLE..INFRARED AND MULTISPECTRAL
IMAGERY.  MEXICO CITY METEOROLOGICAL WATCH OFFICE.  MEXICO CITY
SIGMET.  30/0000 UTC MEXICO CITY SOUNDING.


ERUPTION DETAILS: ERUPTION OCCURRED AT 29/2258 UTC TO FL350.
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DETAILS OF ASH CLOUD: NO ASH IS DETECTABLE IN SATELLITE IMAGERY DUE
TO MULTI-LAYER METEOROLOGICAL CLOUDS THROUGH 0615 UTC. MULTISPECTRAL
IMAGERY AT 0502 UTC DOES INDICATE A POSSIBLE HOT SPOT. 

TRAJECTORY: SOUTH TO SOUTHWEST AT ABOUT 10-15 KT.
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REAL TIME SATELLITE IMAGERY ALONG WITH THIS AND OTHER VOLCANIC ASH
ADVISORY STATEMENTS OFTEN ACCOMPANIED BY A MAP DEPICTING ASH
LOCATION ARE AVAILABLE AT INTERNET URL ADDRESS
www.ssd.noaa.gov/VAAC/washington.html
(all lower case except /VAAC/)
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OUTLOOK:  SEE LATEST SIGMETS AND VAFTAD.
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THE NEXT MESSAGE WILL BE ISSUED BY 30/1300 UTC.
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PLEASE REFER TO SIGMETS AND VAFTAD FOR CURRENT WARNINGS.
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