FVXX20 KWBC 110730
.
VOLCANIC ASH ADVISORY STATEMENT 
ISSUED 0730 UTC 11 APR 1999 BY THE WASHINGTON VAAC
CORRECTED FOR TRAJECTORY
.
SOUFRIERE HILLS 99-102    WEST INDIES 16.72N 62.18W  
.
BACKGROUND:    SOUFRIERE HILLS  MONTSERRAT (1600-05)
               SUMMIT HEIGHT  3000 FT (915 M)
.
SOURCES OF INFORMATION: GOES-8  INFRARED AND MULTISPECTRAL SATELLITE
IMAGERY. THE MONTSERRAT VOLCANO OBSERVATORY. 
.
ERUPTION DETAILS: INITIAL ERUPTION AT 11/0640 UTC.
.
DETAILS OF ASH CLOUD: THE MONTSERRAT VOLCANO OBSERVATORY REPORTS
ANOTHER ERUPTION OF SOUFRIERE HILLS TO FL100. THE GOES 8 SATELLITE
IMAGERY AT 0702 UTC SHOWS THE ASH MOVING TOWARDS THE SOUTHEAST AT 10
KTS. THE LEADING EDGE OF THE ASH IS AT 16.6N 62.0W WHICH IS
12 NMI (22 KM) FROM THE VOLCANO. THE ASH PLUME IS 10 NMI (20 KM)
WIDE. 
. 
TRAJECTORY: ACCORDING TO SATELLITE IMAGERY ASH TO FL100 WILL MOVE
TOWARDS THE SOUTHEAST AT 10 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 AT 11/1330 UTC.
.
PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
.
NNNN

"Attached Graphic Map Depicting Ash" 

""