FVXX20 KWBC 171215
.
VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1215 UTC 17 JUNE 1999 BY THE WASHINGTON VAAC 
.
SOUFRIERE HILLS 99-153    WEST INDIES 16.7N 62.2W  
.
BACKGROUND:    SOUFRIERE HILLS MONTSERRAT (1600-05)
               SUMMIT HEIGHT 3000FT (915M)
.
SOURCES OF INFORMATION:  MONTSERRAT VOLCANO OBSERVATORY. 0000 UTC
GUADELOUPE SOUNDING.
.
ERUPTION DETAILS:   REPORTED ERUPTION 17/1000 UTC TO FL150.
.
DETAILS OF ASH CLOUD: THE GOES 8 VISIBLE SATELLITE IMAGERY AT 1145
UTC SHOWS ASH FROM THE EARLIER ERUPTION MOVING WEST AND
WESTNORTHWESTWARD FROM SOUFRIERE HILLS.  THE ASH IS BOUNDED BY THE
FOLLOWING POINTS: 16.7N 62.2W TO 16.8N 62.3W TO 16.9N 62.5W TO 17.0N
62.5W TO 16.9N 62.9W TO 16.8N 62.9W TO 16.7N 62.2W.  
. 
TRAJECTORY: THE 17/0000 UTC GUADELOUPE UPPER AIR SOUNDING SUGGEST
THE ASH AT THIS REPORTED LEVEL WOULD MOVE TOWARD THE WEST AT 15 TO
20 KNOTS.
.
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 LATEST SIGMETS.
.
NEXT ADVISORY WILL BE ISSUED AROUND 17/1815 UTC.      
.
PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
.
NNNN
"Attached Graphic Map Depicting Ash" 

""