FVXX20 KWBC 200130
.
VOLCANIC ASH ADVISORY STATEMENT
ISSUED 0130 UTC 20 FEB 1999 BY THE WASHINGTON VAAC
.
COLIMA 99-010  MEXICO 19.51N 103.62W
.
BACKGROUND:    COLIMA MEXICO (1401-04)
               SUMMIT HEIGHT 13451 FT (4100 M)
.
SOURCES OF INFORMATION: GOES 8 INFRARED AND MULTISPECTRAL IMAGERY.
SIGMET FROM MEXICO CITY METEOROLOGICAL WATCH OFFICE.  
.
ERUPTION DETAILS: EXHALATION OCCURRED AT 18/1735 UTC.
.
DETAILS OF ASH CLOUD: NO ASH CAN BE SEEN IN SATELLITE IMAGERY THROUGH
0045 UTC HOWEVER A MEXICO CITY METEOROLOGICAL WATCH OFFICE SIGMET
INDICATES VOLCANIC ASH BETWEEN FL150 AND FL180 WAS OBSERVED AT
19/2223 UTC. THE ASH EXTENDS 7NMI (13 KM) NORTHEAST. THE OUTLOOK
FORECASTS ASH THROUGH 20/0600 UTC.
.
TRAJECTORY: NO ASH IS DETECTED IN SATELLITE IMAGERY.
.
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/messages.html
(all lower case except /VAAC/)
.
OUTLOOK: SEE SIGMETS
.
THE NEXT WATCH VAAS WILL BE ISSUED AT 20/1600 UTC.
.
PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
.
NNNN