FVXX20 KWBC 250700
VOLCANIC ASH ADVISORY
ISSUED: 2001SEP25/0700Z   VAAC: WASHINGTON
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VOLCANO: SOUFRIERE HILLS 1600-05
LOCATION: 1643N 6211W    AREA: CARIBBEAN
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SUMMIT ELEVATION: 3000 FT (915 M)
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ADVISORY NUMBER: 2001/216
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INFORMATION SOURCE: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY.
SIGMET 1 FROM PIARCO. 00Z UPPER AIR WINDS FROM GUADELOUPE.
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ERUPTION DETAILS: LOW LEVEL ASH OBSERVED.
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DETAILS OF ASH CLOUD: GOES-8 IMAGERY AT 0645Z DOES NOT INDICATE ANY
ASH...HOWEVER THERE IS A REPORT OF ASH TO FL050 MOVING WEST AT 20 KNOTS.
THESE LOW LEVEL ASH PLUMES FROM MONTSERRAT CAN NOT TYPICALLY BE DETECTED
BY THE LOW RESOLUTION INFRARED SENSORS.

TRAJECTORY: UPPER AIR PATTERNS SUGGEST ANY ASH UP TO FL050 WOULD MOVE
WEST AT 15 TO 20 KNOTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT ADVISORY WILL BE ISSUED BY 25/1300Z.
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INTERNET URLS...
MESSAGE LISTSERV   WWW.SSD.NOAA.GOV/VAAC/SUBSCRIBE.HTML
MESSAGES GRAPHICS AND IMAGERY   WWW.SSD.NOAA.GOV/VAAC/WASHINGTON.HTML
(ALL LOWERCASE EXCEPT /VAAC/)
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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HUGHES
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