FVXX22 KWBC 081541
VOLCANIC ASH ADVISORY
ISSUED: 2003JUL08/1600Z      VAAC: WASHINGTON

VOLCANO: ANATAHAN 0804-20
LOCATION: N1621E14540    AREA: MARIANA ISLANDS

SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2003/243

INFORMATION SOURCE: GOES 9 IMAGERY. GFS MODEL WINDS FORECAST. 
PILOT REPORTS.
      
ERUPTION DETAILS: ASH AND GAS EMISSIONS SINCE MAY 10.

OBS ASH DATE/TIME: 08/1502Z

OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA.  WINDS
SFC/FL080 MOVING SW 15 KNOTS.

FCST ASH CLOUD +6H: SEE SIGMETS

REMARKS: THE GUAM MWO RELAYED A 0600Z PILOT REPORT OF THICK PLUME
OF ASH AT FL030 BUT IT DID NOT EXTEND FAR FROM THE SUMMIT.  A
LATER PILOT REPORT NEAR 1100Z INDICATED NO ASH COULD BE SEEN. 
THIS HAS BEEN A SIMILAR PATTERN FOR THE PAST COUPLE OF
DAYS...WHERE ASH CAN BE SEEN NEAR SUMMIT AND QUICKLY DISSIPATES
TO THE WEST.  THRU 1502Z SATELLITE IMAGERY DID NOT INDICATE ANY
ASH. WINDS IN THE AREA ARE MOVING SSW AT ABOUT 15 KNOTS. WILL
CONTINUE TO MONITOR...GALLINA 

NEXT ADVISORY: WILL BE ISSUED BY 2003JUL08/2200Z.

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