FVXX20 KWBC 071800
.
VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1800 UTC 07 MAR 1999 BY THE WASHINGTON VAAC
.
SOUFRIERE HILLS 99-037    WEST INDIES 16.7N 62.2W  
.
BACKGROUND:    SOUFRIERE HILLS MONTSERRAT (1600-05)
               SUMMIT HEIGHT 3000FT (915M)
.
SOURCES OF INFORMATION: MONTSERRAT VOLCANO OBSERVATORY...1200 UTC
UPPER AIR REPORT FROM GUADELOUPE...GOES-8 INFRARED AND MULTISPECTRAL
IMAGERY...PILOT REPORT
.
ERUPTION DETAILS: THE MONTSERRAT VOLCANO OBSERVATORY REPORTED AN
EXPLOSIVE EVENT OCCURRED AT APPROXIMATELY 07/1635 UTC.
.
DETAILS OF ASH CLOUD: SATELLITE IMAGERY THROUGH 1715 UTC SUGGESTED
THAT THE ASH CLOUD EXTENDS TO FL250.  AT 1715 UTC THE ASH WAS
LOCATED WITHIN 12 KM (6 NMI) EITHER SIDE OF A LINE FROM 16.7N/62.3W
TO 16.6N/62.2W TO 16.7N/62.0W. 
.
TRAJECTORY: TOWARD THE WEST AT 10 KTS AT FL100 BUT TOWARD THE
SOUTHEAST AT 15 KTS AT FL250.
.
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 AND VAFTAD.
.
THE NEXT MESSAGE WILL BE ISSUED BY 08/0000.
.
PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
.
NNNN

"Attached Graphic Map Depicting Ash" 

"Graphic Map Depicting Ash"