FVXX20 KWBC 282000
VOLCANIC ASH ADVISORY
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ISSUED: 2001DEC28/2000Z VAAC: WASHINGTON
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VOLCANO: SOUFRIERE HILLS 1600-05
LOCATION: 1643N 6211W AREA: CARIBBEAN
SUMMIT ELEVATION: 3000 FT (915 M)
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ADVISORY NUMBER: 2001/292
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INFORMATION SOURCE: GOES-8 VISIBLE..INFRARED AND MULTISPECTRAL
IMAGERY. SIX HOUR WIND FORECAST FROM THE 28/1200Z AVIATION
MODEL. MONTSERRAT VOLCANO OBSERVATORY.
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ERUPTION DETAILS: CONTINUOUS VENTING OF ASH AND STEAM BEGINNING
AROUND 27/0715Z. ADDITIONAL NEW SIGNIFICANT EVENT STARTING AT
28/1730Z.
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DETAILS OF ASH CLOUD: A NEW SIGNIFICANT EVENT WAS REPORTED BY THE
MVO STARTING AT 1730Z. AT 28/1915Z A LARGE AREA OF THICK ASH WAS
OBSERVED ON THE SATELLITE IMAGERY. THIS THICK ASH WAS BOUNDED BY
THE FOLLOWING POINTS: SUMMIT..1655N6223W 1656N6235W 1651N6235W
1637N6222W AND THE SUMMIT. IN ADDITION AN AREA OF THIN ASH WAS
OBSERVED AND IT IS BOUNDED BY THE FOLLOWING POINTS: 1656N6234W
1709N6255W 1707N6259W AND 1653N6236W. ASH IS ESTIMATED TO BE AT
OR BELOW FL100.
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TRAJECTORY: ASH FROM THE SUMMIT LEVEL TO FL100 WILL MOVE TOWARDS
THE WEST-NORTHWEST AT 10 TO 15 KNOTS.
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OUTLOOK: SEE SIGMETS.
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NEXT ADVISORY: WILL BE ISSUED BY 2001DEC29/0200Z.
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WALTER
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NNNN"Attached Graphic Map Depicting Ash Only"
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