FVXX20 KNES 151516
VOLCANIC ASH ADVISORY
ISSUED: 2005APR15/1515Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2005/161

INFORMATION SOURCE: GFS MODEL WINDS. RADIOSONDE.
GOES-9. 

ERUPTION DETAILS: ONGOING LOW LEVEL EMISSIONS

OBS ASH DATE/TIME: 15/1202Z

OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE
DATA. WINDS SFC/FL100 MOVING TO W 15-20 KNOTS.

FCST ASH CLOUD +6H: 15/2100Z SFC/FL100 N1631E14346
- N1625E14540 - N1617E14539 - N1528E14358 -
N1631E14346 

FCST ASH CLOUD +12H: 15/0300Z SFC/FL100
N1703E14347 - N1625E14540 - N1617E14540 -
N1601E14346 - N1703E14347 

FCST ASH CLOUD +18H: NOT AVBL

REMARKS: GOES 9 IS STILL IN ECLIPSE. 
HOWEVER...ASH WAS NOT DETECTABLE IN IMAGERY THRU
1202Z THOUGH AN INTERMITTENT HOTSPOT WAS SEEN. 
THE HOTSPOT IS SIMILAR TO PREVIOUS DAYS...SO
LIKELIHOOD OF LOW LEVEL ASH IS STILL HIGH. ASH
WILL MOVE QUICKLY WSW AT FIRST BUT WILL SHIFT
TOWARD THE W AND WNW BY THE END OF THE FORECAST
PERIOD. ...GALLINA

NEXT ADVISORY: WILL BE ISSUED BY 2005APR15/2115Z

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