FVXX24 KWBC 291750 VOLCANIC ASH ADVISORY STATEMENT ISSUED 1750 UTC 29 JAN 2000 BY THE WASHINGTON VAAC . COLIMA 00-005 MEXICO 1931N 10337W . BACKGROUND: COLIMA MEXICO (1401-04) SUMMIT HEIGHT 13451 FT (4100 M) . SOURCES OF INFORMATION: MEXICO CITY SIGMET...GOES-8 VISIBLE...INFRARED...AND MULTISPECTRAL IMAGERY. . ERUPTION DETAILS: VOLCANIC ASH WAS OBSERVED AT 1331 UTC. . DETAILS OF ASH CLOUD: GOES-8 IMAGERY THROUGH 1715 UTC SHOWS NO ASH IN ALMOST CLEAR SKIES. THE ERUPTION OCCURRED JUST PRIOR TO THE FIRST HIGH RESOLUTION VISIBLE IMAGES OF THE DAY AND WAS NOT DISCERNABLE WHEN THEY BEGAN TO ARRIVE AND HAS NOT BEEN SEEN IN INFRARED OR MULTISPECTRAL IMAGERY. THE SIGMET INDICATES THE ASH EXTENDED 5 NMI TO THE NORTH NORTHEAST OF THE VOLCANO BETWEEN FL140 AND FL170. . TRAJECTORY: UPPER AIR PATTERNS SUGGEST ANY ASH BETWEEN FL140 AND FL170 WOULD MOVE TOWARD THE NORTHEAST AT 15 TO 25 KNOTS. . OUTLOOK: SEE LATEST SIGMETS. . THE NEXT MESSAGE WILL BE ISSUED BY 30/0000 UTC. . 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 http://www.ssd.noaa.gov/VAAC/washington.html (all lower case except /VAAC/) . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . RUMINSKI NOAA/NESDIS/SAB . NNNN