FVXX20 KNES 202306
VOLCANIC ASH ADVISORY
ISSUED: 2005JUL20/2306Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2005/569

INFORMATION SOURCE: GUAM WFO. GFS MODEL WINDS.
RADIOSONDE. 

ERUPTION DETAILS: MAJOR ERUPTION  AT 20/2215Z TO
FL510

OBS ASH DATE/TIME: 20/2249Z

OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE
DATA. WINDS SFC/FL510 MOVING TO SE 15-20 KNOTS.

FCST ASH CLOUD +6H: 21/0500Z 

FCST ASH CLOUD +12H: 21/1100Z 

FCST ASH CLOUD +18H: 21/1700Z 

REMARKS: GUAM WFO REPORTS AN ERUPTION AT 20/2215Z
TO FL 510 ACCORDING TO RADAR. FIRST POST ERUPTION
AT 20/2249Z DOES NOT SHOW THE ASH BUT THERE ARE
VERY THICK CLOUDS IN THE VICINITY OF THE VOLCANO
MAKING ANY ASH VERY DIFFICULT TO OBSERVE.
...SCHWARTZ

NEXT ADVISORY: WILL BE ISSUED BY 2005JUL21/0500Z

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