FVXX20 KWBC 061715
.
VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1715 UTC 06 JULY 1999 BY THE WASHINGTON VAAC 
.
COLIMA 99-34   MEXICO 19.51N 103.62W  
.
BACKGROUND:    COLIMA MEXICO (1401-04)
               SUMMIT HEIGHT 13451 FT (4100 M)
.
SOURCES OF INFORMATION:  MEXICO CITY METEOROLOGICAL WATCH
OFFICE..GOES 8 VISIBLE..INFRARED..MULTISPECTRAL IMAGERY
.
ERUPTION DETAILS:SIGMET FROM MEXICO CITY REPORTS AN ERUPTION OF
COLIMA AT 06/1633 UTC. ESTIMATED HEIGHT OF THE ASH FROM THE SURFACE
TO FL220. 
.
DETAILS OF ASH CLOUD: DENSE METEOROLOGICAL CLOUDS IN THE AREA
PREVENT ANY DETECTION OF THE ASH FROM SATELLITE.
. 
TRAJECTORY: ACCORDING TO MODEL DATA ASH UP TO FL220 WOULD MOVE
TOWARDS THE WEST NORTHWEST AT 15 TO 20 KTS.
.
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/)
.
OUTLOOK:  THE NEXT MESSAGE WILL BE AT 06/2315 UTC.
.

.
PLEASE REFER TO SIGMETS AND VAFTAD FOR CURRENT WARNINGS.
.
NNNN