FVXX20 KNES 132007
VOLCANIC ASH ADVISORY
ISSUED: 2005JUL13/2005Z   VAAC: WASHINGTON

VOLCANO: ANATAHAN 0804-20
LOCATION: N1622E14539   AREA: MARIANA.ISLANDS

SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2005/538

INFORMATION SOURCE: GUAM WFO. HONOLULU MWO. GFS
MODEL WINDS. PILOT REPORT. GOES-9. 

ERUPTION DETAILS: ONGOING ASH EMISSIONS

OBS ASH DATE/TIME: 13/1925Z

OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE
DATA. WINDS SFC/FL100 MOVING TO NE 10 KNOTS.
FL100/FL140 MOVING TO SE 5-10 KNOTS.

FCST ASH CLOUD +6H: 14/0130Z 

FCST ASH CLOUD +12H: 14/0730Z 

FCST ASH CLOUD +18H: 14/1330Z 

REMARKS: ASH CAN NOT BE SEEN IN MULTISPECTRAL
SATELLITE IMAGERY.  PILOT REPORTS INDICATE ASH W
OF ROTA AND NW OF TINIAN BETWEEN FL100 AND FL140.
THE TROPICAL SYSTEM NORTH OF THE VOLCANO IS
SKEWING WIND ESTIMATES BASED ON GUAM SOUNDINGS.
THESE SOUNDINGS ARE CURRENTLY NOT REPRESENTATIVE
OF THE WINDS AROUND THE VOLCANO.  WINDS ARE
EXPECTED TO TURN MORE TO THE NORTHEAST AND
INCREASE IN SPEED DUE TO THE TROPICAL SYSTEM. ...

NEXT ADVISORY: WILL BE ISSUED BY 2005JUL14/0200Z

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