FVXX20 KWBC 050700
VOLCANIC ASH ADVISORY
ISSUED: 2001JAN05/0700Z  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: 2001/11
                                                              
INFORMATION SOURCE: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY.
AVIATION MODEL UPPER WINDS FORECAST.
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ERUPTION DETAILS: FAINT ASH PLUME PRODUCED BY ROCKFALLS.
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DETAILS OF ASH CLOUD: NO ASH CAN BE SEEN IN SATELLITE IMAGERY
THROUGH 05/0615Z.  HOWEVER LOW LEVEL THIN ASH CAN USUALLY BE
SEEN ONLY DURING THE DAYTIME WITH VISIBLE SATELLITE IMAGERY
AND IS DIFFICULT TO SEE AT NIGHT WITH JUST INFRARED AND
MULTISPECTRAL IMAGERY.  ON JANUARY 4 AN ASH PLUME TO FL080 WAS
OBSERVED EXTENDING FROM THE SUMMIT TOWARD THE NORTH NORTHWEST.
SHORTWAVE INFRARED IMAGERY CONTINUES TO SHOW A HOTSPOT OVER
THE VOLCANO SUMMIT.
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TRAJECTORY: UPPER AIR PATTERNS SUGGEST THAT ANY ASH AT ABOUT
FL080 WOULD MOVE TOWARDS THE NORTH-NORTHWEST AT 10 TO 15
KNOTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT MESSAGE WILL BE ISSUED BY 05/1300Z.
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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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