FVXX20 KWBC 082300
.
VOLCANIC ASH ADVISORY STATEMENT 
ISSUED 2300 UTC 08 APR 1999 BY THE WASHINGTON VAAC
CORRECTED FOR TRAJECTORY
.
SOUFRIERE HILLS 99-099    WEST INDIES 16.72N 62.18W  
.
BACKGROUND:    SOUFRIERE HILLS  MONTSERRAT (1600-05)
               SUMMIT HEIGHT  3000 FT (915 M)
.
SOURCES OF INFORMATION: GOES-8 VISIBLE INFRARED AND MULTISPECTRAL
SATELLITE IMAGERY.  MONTSERRAT VOLCANO OBSERVATORY. PIARCO MWO.
.
ERUPTION DETAILS: INITIAL ERUPTION AT 08/0204 UTC. ADDITIONAL
ERUPTION AT 08/1400 UTC.
.
DETAILS OF ASH CLOUD: UNALE TO DETECT ANY ASH IN THE LATEST
SATELLITE IMAGERY AT 2215 UTC BECAUSE OF HIGH LEVEL METEOROLOGICAL
CLOUDS IN THE VICINITY OF THE VOLCANO.
. 
TRAJECTORY: 1200 UTC UPPER AIR SOUNDING INDICATED ASH BELOW FL120
WOULD MOVE W TO WNW AT 15 TO 20 KTS. 
.
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 MESSAGE WILL BE ISSUED AROUND 09/0500 UTC.
.
PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
.
NNNN