FVXX22 KWBC 180700
VOLCANIC ASH ADVISORY
ISSUED 0700 UTC 18 AUG 2000 BY THE WASHINGTON VAAC
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SOUFRIERE HILLS 00-147 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 INFRARED AND MULTISPECTRAL
IMAGERY. 18/0000 UTC UPPER AIR SOUNDING FROM GUADELOUPE. THE
MONTSERRAT VOLCANO OBSERVATORY.
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ERUPTION DETAILS: ROCKFALLS AND SMALL PYROCLASTIC FLOWS.
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DETAILS OF ASH CLOUD: GOES-8 IMAGERY THROUGH 0615 UTC DOES NOT
INDICATE THE PRESENCE OF ASH. ANY FAINT ASH AT OR BELOW FL050
WOULD BE TOO THIN TO DETECT ON INFRARED AND MULTISPECTRAL
IMAGERY.
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TRAJECTORY: UPPER AIR PATTERNS SUGGEST ANY ASH AT OR BELOW
FL050 TO MOVE SOUTHWEST AT 5 KNOTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT MESSAGE WILL BE ISSUED BY 18/1300 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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BROWN
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NNNN