FVXX20 KWBC 020630
VOLCANIC ASH ADVISORY
ISSUED: 2001MAR02/0630Z  VAAC: WASHINGTON
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VOLCANO: SOUFRIERE HILLS 1600-05
LOCATION: 1643N 6211W    AREA: CARIBBEAN
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ADVISORY NUMBER: 2001/142

INFORMATION SOURCE: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY.  
WIND FORECAST FROM THE AVIATION MODEL.

ERUPTION DETAILS: OCCASIONAL ROCKFALLS PRODUCING LOW LEVEL ASH.
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DETAILS OF ASH CLOUD: ASH IS NOT SEEN IN INFRARED AND
CONVENTIONAL MULTISPECTRAL IMAGERY THROUGH 02/0415Z PROBABLY
BECAUSE OF THE DIFFICULTY OF SEEING THIN LOW ASH AT NIGHT. 
HOWEVER AN EXPERIMENTAL MULTISPECTRAL TECHNIQUE SHOWS A POSSIBLE
VERY THIN AREA OF ASH FROM AN EARLIER EMISSION.  THIS ROUGHLY
CIRCULAR AREA IS CENTERED AT ABOUT 1630N 6300W AND HAS A DIAMETER
OF ABOUT 40 KM (22 NMI).  ANY ASH IS ESTIMATED TO BE BELOW FL100.
  SHORTWAVE INFRARED IMAGERY SHOWS AN INTERMITTENT HOTSPOT AT THE
VOLCANO SUMMIT.
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TRAJECTORY: ASH BELOW FL100 WILL MOVE TOWARDS THE WEST OR
SOUTHWEST AT ABOUT 10 KNOTS.
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OUTLOOK:  SEE SIGMETS.
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THE NEXT ADVISORY WILL BE ISSUED BY 02/1230Z. 
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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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