FVXX23 KWBC 030730
VOLCANIC ASH ADVISORY STATEMENT   
ISSUED 0730 UTC 03 FEB 2000 BY THE WASHINGTON VAAC 
.
SOUFRIERE HILLS 00-004    WEST INDIES 1643N 6211W  
.
BACKGROUND:    SOUFRIERE HILLS  MONTSERRAT (1600-05)
               SUMMIT HEIGHT  3,000 FT (915M)
.
SOURCES OF INFORMATION:  GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. 
0000 UTC GUADELOUPE SOUNDING DATA. MONTSERRAT VOLCANO OBSERVATORY.
.
ERUPTION DETAILS: CONTINUOUS ASH EMISSIONS.
.
DETAILS OF ASH CLOUD: NO ASH IS SEEN IN INFRARED OR MULTISPECTRAL
IMAGERY THROUGH 0645 UTC.  HOWEVER A FAINT ASH PLUME BELOW FL060
EXTENDING TOWARD THE WEST COULD BE SEEN ALL DAY ON FEBRUARY 2 UNTIL
NIGHTFALL. AFTER NIGHTFALL IT IS NECESSARY TO RELY ON MULTISPECTRAL
AND INFRARED SATELLITE IMAGERY AND SUCH IMAGERY DOES NOT USUALLY
DETECT FAINT LOW LEVEL PLUMES.  THEREFORE AN ASH PLUME MIGHT STILL
EXIST AND AGAIN BE VISIBLE IN SATELLITE IMAGERY AFTER DAYBREAK.
   ON THE MORNING OF FEBRUARY 2 THE MONTSERRAT VOLCANO OBSERVATORY
INDICATED THAT DUE TO INCREASED ROCK FALLS AND DOME GROWTH
CONTINUOUS LOW LEVEL VENTING COULD BE EXPECTED WITH THE POSSIBILITY
OF LARGER ASH EVENTS.
.
TRAJECTORY: UPPER AIR PATTERNS SUGGEST THAT ANY ASH AT ABOUT FL060
WILL MOVE TOWARD THE WEST AT ABOUT 15 KNOTS. 
.
OUTLOOK:  SEE LATEST SIGMETS.
.
NEXT STATEMENT WILL BE ISSUED BY 03/1330.
.
REAL TIME SATELLITE IMAGERY ALONG WITH THIS AND OTHER VOLCANIC ASH
ADVISORY STATEMENTS OFTEN ACCOMPANIED BY A MAP DEPICTING ASH
LOCATION ARE AVAILABLE AT INTERNET URL ADDRESS  
http://www.ssd.noaa.gov/VAAC/washington.html
(all lower case except /VAAC/)
.
PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
.
NNNN