FVXX22 KWBC 080524     
VOLCANIC ASH ADVISORY            
ISSUED: 2003JUN08/0505Z      VAAC: WASHINGTON

VOLCANO: ANATAHAN 0804-20
LOCATION: N1621E14540    AREA: MARIANA ISLANDS
 
SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2003/120
 
INFORMATION SOURCE:  GOES-9 IMAGERY. GUAM UPPER AIR SOUNDING.
GFS MODEL WINDS FORECAST.
  
ERUPTION DETAILS: CONTINUOUS ASH AND GAS EMISSIONS SINCE MAY 10. 
 
OBS ASH DATE/TIME: 08/0413Z
 
OBS ASH CLOUD: SFC/FL070 53 NM WIDE LINE OF ASH EXTENDING
BETWEEN N1448E14312 N1626E14535. ASH IS MOVING SW 10 KNOTS.
SFC/FL170 34NM WIDE LINE OF ASH EXTENDING N1621E14540 N1722E14441 
ASH IS MOVING NW 5-10 KNOTS.   

FCST ASH CLOUD +6H: SEE SIGMETS.

REMARKS: DUE TO SUN GLINT ON THE OCEAN THE ASH IS DIFFICULT TO
SEE HOWEVER TWO AREAS WERE DETECTED. THE HEIGHT ASSIGNMENTS OF
BOTH AREAS ARE ESTIMATED. NEITHER THE GUAM SOUNDING OR THE MODEL
DATA HAVE A STRONG INDICATION OF WINDS ACCOUNTING FOR THE ASH
MOVING NORTHWEST FROM THE VOLCANO. PILOT REPORTS IN THE AREA
WOULD BE HELPFUL BUT NONE HAVE BEEN RECEIVED BY THE VAAC.  

NEXT ADVISORY: WILL BE ISSUED BY 2003JUN08/1100Z.

NNNN"Attached Graphic Map Depicting Ash Only" 

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