FVXX21 KWBC 202200
VOLCANIC ASH ADVISORY
ISSUED: 2002OCT20/2200Z VAAC: WASHINGTON
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VOLCANO: SOUFRIERE HILLS 1600-05
LOCATION: N1643W06211    AREA: MONTSERRAT
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SUMMIT ELEVATION: 3000 FT (915 M)
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ADVISORY NUMBER: 2002/159
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INFORMATION SOURCE: GOES-8 IMAGERY. . MONTSERRAT VOLCANO
OBSERVATORY. UPPER AIR SOUNDING FROM GUADELOUPE.
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ERUPTION DETAILS: ONGOING ASH VENTING.
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OBS ASH DATE/TIME: 20/2032Z. 
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OBS ASH CLOUD: SFC/FL060 N1643W06211 N1643W06242 N1652W06246.
AREA OF ASH IS 40 NMI LONG AND UP TO 10 NMI WIDE.  ASH IS MOVING
W AT 5 TO 10 KNOTS.
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FCST ASH CLOUD+6H: SEE SIGMETS.
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REMARKS: ANALYSIS BASED ON LAST USEABLE VISIBLE IMAGERY.  ASH NOT
OBSERVED IN INFRARED OR MULTISPECTRAL IMAGERY.  THE MONTSERRAT
VOLCANO OBSERVATORY INDICATED THAT EARLY MORNING RAINS HAD
RESULTED IN THE ONGOING VENTING OF DIFFUSE ASH. 
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NEXT ADVISORY: WILL BE ISSUED BY 2002OCT21/0400Z.
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NNNN"Attached Graphic Map Depicting Ash Only" 

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