FVXX21 KWBC 131500
VOLCANIC ASH ADVISORY
ISSUED 1500 UTC 13 OCT 2000 BY THE WASHINGTON VAAC
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SOUFRIERE HILLS 00-280          WEST INDIES 1643N 6211W  
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BACKGROUND:    SOUFRIERE HILLS  MONTSERRAT (1600-05)
               SUMMIT HEIGHT  3000 FT (915M)
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SOURCES OF INFORMATION: GOES-8 VISIBLE AND INFRARED AND
MULTISPECTRAL IMAGERY.  13/1200 UTC SOUNDING FROM GUADELOUPE.
MONTSERRAT VOLCANO OBSERVATORY.
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ERUPTION DETAILS: CONTINUOUS ASH AND STEAM EMISSION.
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DETAILS OF ASH CLOUD: GOES 8 SATELLITE IMAGERY THROUGH 13/1415
UTC SHOWS A CONTINUOUS PLUME OF ASH EXTENDING TO THE WEST
NORTHWEST FROM THE VOLCANO. THE PLUME IS ESTIMATED TO BE BELOW
FL100. THE LEADING EDGE OF THE PLUME IS AT 1700N 6547W WHICH
IS 385 KM (208 NMI) FROM THE SUMMIT. THE AVERAGE WIDTH OF THE
PLUME IS 85 KM (46 NMI).  THE MONTSERRAT VOLCANO OBSERVATORY
REPORTED A SEISMIC SIGNAL AT 13/0802 UTC WHICH IS CONSISTENT
WITH ASH GENERATION. THERE IS AN OCCASIONAL HOT SPOT OBSERVED
AT THE SUMMIT IN SHORTWAVE IMAGERY.
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TRAJECTORY: ASH BELOW FL100 WILL MOVE TO THE WEST NORTHWEST AT
10 TO 15 KTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT MESSAGE WILL BE ISSUED BY 13/2100 UTC.
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REAL TIME SATELLITE IMAGERY AND VOLCANIC ASH ADVISORIES 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/)
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.  
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KARST/ORRISON
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NNNN"Attached Graphic Map Depicting Ash" 

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