FVXX22 KWBC 161309
VOLCANIC ASH ADVISORY
ISSUED: 2003JUN16/1300Z      VAAC: WASHINGTON

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

ADVISORY NUMBER: 2003/154
 
INFORMATION SOURCE:  GOES-9 IMAGERY. GUAM 12Z UPPER AIR SOUNDING.
GFS MODEL WINDS FORECAST.  
  
ERUPTION DETAILS: CONTINUOUS ASH AND GAS EMISSIONS SINCE MAY 10. 
 
OBS ASH DATE/TIME: 16/1202Z
 
OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS
SFC/FL100 MOVING NW-W 10 KNOTS. 

FCST ASH CLOUD +6H: SEE SIGMETS.

REMARKS: DUE TO SCATTERED HIGH LEVEL WEATHER CLOUDS AND DARKNESS
THE LOW LEVEL ASH IS DIFFICULT TO DETECT. THE SOUNDING AND MODEL
WOULD SAY THE ASH SHOULD BE MOVING WEST TO NORTHWEST HOWEVER IN
THE LAST VISIBLE IMAGERY UP TO 09Z THE ASH WAS MAINLY MOVING
WEST. 

NEXT ADVISORY: WILL BE ISSUED BY 2003JUN16/1900Z.

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