FVXX20 KWBC 121627
VOLCANIC ASH ADVISORY
ISSUED: 2003MAR12/1630Z VAAC: WASHINGTON
VOLCANO: SOUFRIERE HILLS 1600-05
LOCATION: N1643W06211 AREA: CARIBBEAN
SUMMIT ELEVATION: 3000 FT (915M)
ADVISORY NUMBER: 2003/271
INFORMATION SOURCE: GOES-8 IMAGERY. GFS MODEL WINDS FORECAST.
ERUPTION DETAILS: EMISSIONS OF GASES AND ASH.
OBS ASH DATE/TIME: 12/1545Z
OBS ASH CLOUD: SFC/FL100 N1643W06211 N1645W06225 N1636W06232
MOVING SW 15-20 KNOTS. SFC/FL090 N1636W06232 N1644W06409
N1639W06710 N1612W06731 N1535W06720 N1614W06305 N1634W06228
MOVING SW 15-20 KNOTS.
FCST ASH CLOUD +6H: SEE SIGMETS.
REMARKS: SATELLITE IMAGERY AT 12/1545Z INDICATES AN ASH PLUME
EXTENDING W TO SW ABOUT 18 NM FROM THE SUMMIT WHERE IT BECOMES
DIFFUSE. AN AREA OF THIN ASH EXTENDS 284 NM TO THE W AND SW OF
THE SUMMIT. THIN ASH MAY EXTEND EVEN FURTHER TO THE WEST.
SHORTWAVE INFRARED IMAGERY SHOWS AN INTERMITTENT HOTSPOT. TEB.
NEXT ADVISORY: WILL BE ISSUED BY 2003MAR12/2230Z
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"Attached Graphic Map Depicting Ash Only"
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