FVXX20 KWBC 070531
VOLCANIC ASH ADVISORY
ISSUED: 2003FEB07/0600Z   VAAC: WASHINGTON

VOLCANO: SOUFRIERE HILLS   1600-05
LOCATION: N1643W06211    AREA: CARIBBEAN

SUMMIT ELEVATION: 3000 FT (915M)

ADVISORY NUMBER: 2003/143
 
INFORMATION SOURCE: GOES-8 IMAGERY. GFS MODEL WINDS FORECAST.
 
ERUPTION DETAILS: CONTINUING ASH AND STEAM EMISSIONS.
 
OBS ASH DATE/TIME: 07/0015Z.

OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA WINDS
SFC/FL070 MOVING W AT 20-25 KNOTS.

FCST ASH CLOUD +6H: SEE SIGMETS.
 
REMARKS: SINCE THE PREVIOUS ADVISORY AT 0030Z...THE HOTSPOT HAS
DIMMED AND IS NO LONGER EVIDENT ON THE 3.9 MICRON IR CHANNEL. 
BUT WITH THE HIGH LEVEL OF ACTIVITY AT SOUFRIERE HILLS OVER THE
PAST TWO MONTHS...WILL CONTINUE TO ADVISE UNTIL VISIBLE IMAGERY
CAN CONFIRM THAT EVEN SMALL AMOUNTS OF LOW LEVEL ASH ARE NOT
PRESENT IN THE AREA. SO WITH THIS PACKAGE THE FOCUS IS ON WIND
SPEED AND DIRECTION IN CASE THERE IS LOW LEVEL ACTIVITY WHICH MAY
STILL BE PRESENT AT THIS TIME BUT IS NOT DETECTABLE ON IR OR
MULTI-SPECTRAL IMAGERY. WINDS ARE STILL MOVING WEST AT 20 TO 25
KNOTS...GALLINA  
                    
NEXT ADVISORY: WILL BE ISSUED BY 2003FEB07/1200Z.

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