FVXX20 KNES 051923
VOLCANIC ASH ADVISORY
ISSUED: 2005AUG05/1923Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2005/636

INFORMATION SOURCE: GFS MODEL WINDS. GOES-9. 

ERUPTION DETAILS: CONTINUOUS EMISSION OF ASH AND
GASES

OBS ASH DATE/TIME: 05/1825Z

OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE
DATA. WINDS SFC/FL180 MOVING TO NW 15 KNOTS.

FCST ASH CLOUD +6H: 06/0030Z 

FCST ASH CLOUD +12H: 06/0630Z 

FCST ASH CLOUD +18H: 06/1230Z 

REMARKS: THERE ARE STILL CLOUDS OVER THE AREA
HOWEVER THERE IS A HINT OF A SHORT 25 NMI LONG
PLUME BENEATH THE CLOUDS MOVING TO THE NORTHWEST
OFF THE ISLAND BEFORE THE CLOUDS BECOME THICKER. 
THE WINDS FORECAST INDICATES THE PLUME WILL BECOME
MORE WESTERLY IN 12 HOURS.  ...SWANSON

NEXT ADVISORY: WILL BE ISSUED BY 2005AUG06/0130Z

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