FVXX22 KWBC 210130
VOLCANIC ASH ADVISORY STATEMENT 
ISSUED 0130 UTC 21 MAR 2000 BY THE WASHINGTON VAAC
.
SOUFRIERE HILLS 00-036          WEST INDIES 1643N 6211W  
.
BACKGROUND:    SOUFRIERE HILLS  MONTSERRAT (1600-05)
               SUMMIT HEIGHT  3000 FT (915M)
.
SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL
IMAGERY. 21/0000 UTC UPPER AIR SOUNDING FROM GUADELOUPE.
.
ERUPTION DETAILS: MAJOR ERUPTION BEGINNING 20/2340 UTC.
.
DETAILS OF ASH CLOUD: GOES-8 INFRARED IMAGERY THROUGH 0115 UTC
SHOWS THE ASH CLOUD SPREADING SOUTHEAST AND NOW MOVING OVER
THE EASTERN PART OF GUADELOUPE.
...THE ASH LOCATED ALONG TWO LINES. THE FIRST LINE IS 88 KM
(48 NMI) LONG AND 60 KM (32 NMI) WIDE STRETCHING FROM POINT
1650N 6157W TO POINT 1613N 6125W. THE SECOND LINE IS 150 KM
(81 NMI) LONG AND 91 KM (50 NMI) WIDE AT ITS WIDEST POINT AND
STRETCHING FROM POINT 1613N 6125W TO POINT 1616N 6001W. THE
LEADING EDGE OF THE ASH IS MEASURED TO BE TRAVELING UP TO 60
KT AND MOVING SOUTHEAST. THE ESTIMATED HEIGHT IS FL300 BASED
ON SEVERAL PILOT REPORTS AND THE 21/0000 UTC UPPER AIR
SOUNDING FROM GUADELOUPE. 
...THE MVO REPORTS THAT THE VOLCANO HAS FINALLY QUIETED AT
0130 UTC. THEY ALSO REPORT THAT THERE MAY STILL BE SEVERAL
ROCKFALLS PRODUCING STIRRED UP ASH. 
.
AVIATION...VA TO FL300 MEAN CLOUD VECTOR 11240KT.  
.
TRAJECTORY: UPPER AIR PATTERNS SUGGEST ASH TO FL300 TO MOVE
SOUTHEAST AT 40 TO 50 KNOTS. 
.
OUTLOOK:  SEE LATEST SIGMETS AND VAFTAD.
.
THE NEXT STATEMENT WILL BE ISSUED BY 21/0730 UTC UNLESS NEW
INFORMATION WARRANTS AN UPDATE.
.
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.
.
HUGHES
.
NNNN"Attached Graphic Map Depicting Ash" 

""