FVXX20 KWBC 281715
VOLCANIC ASH ADVISORY
ISSUED: 2002DEC28/1715Z    VAAC: WASHINGTON

VOLCANO: SOUFRIERE HILLS   1600-05
LOCATION: N1643W06211    AREA: CARIBBEAN

SUMMIT ELEVATION: 3000 FT (915M)

ADVISORY NUMBER: 2002/271
 
INFORMATION SOURCE: GOES-8 IMAGERY. MONTSERRAT VOLCANO OBSERVATORY.
SOUFRIERE HILLS WEBCAM.

ERUPTION DETAILS: ONGOING ASH EMISSIONS. PYROCLASTIC FLOW AT ABOUT
1530Z.
 
OBS ASH DATE/TIME: 28/1645Z.

OBS ASH CLOUD: SFC/FL120 N1643W06211 N1703W06222 N1653W06240
N1642W06227 N1643W06211 MOVING NW 15 KNOTS.  SFC/FL080 N1651W06239
N1632W06302 N1637W06351 N1624W06352 N1617W06254 N1645W06233
N1651W06239 MOVING W 15 KNOTS.
 
FCST ASH CLOUD +6H: SEE SIGMETS.
 
REMARKS: A PYROCLASTIC FLOW THAT BEGAN AT ABOUT 1530Z HAS PRODUCED
SLIGHTLY HIGHER AND THICKER ASH WHICH IS MOVING IN A MORE NORTHERLY
DIRECTION.  AS A RESULT THERE ARE NOW TWO AREAS OF ASH...AN AREA OF
THICKER ASH TO FL120 THAT EXTENDS FROM THE VOLCANO TOWARD THE
NORTHWEST AND AN AREA OF FAINTER ASH TO FL080 THAT IS WEST OR WEST
SOUTHWEST OF THE ISLAND.
 
NEXT ADVISORY: WILL BE ISSUED BY 2002DEC28/2315Z

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"Attached Graphic Map Depicting Ash Only" 

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