FVXX20 KWBC 300100
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VOLCANIC ASH ADVISORY STATEMENT
ISSUED 0100 UTC 30 JULY 1999 BY THE WASHINGTON VAAC 
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COLIMA 99-045    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 COORDINATION
MEXICO CITY SIGMET 30/00 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 BUT
THERE IS VERY EXTENSIVE METEOROLOGICAL CLOUDS IN THE AREA. MEXICO
CITY MWO REPORTS ASH EXTENDING 40 NMI S AND SW FROM SUMMIT. THE 00
UTC MEXICO CITY SOUNDING WOULD SPACE THE SPEED AT 10-15 KT.

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 30/0700 UTC OR SOONER IF NEW
INFORMATION BECOMES AVAILABLE.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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