FVXX20 KNES 020713
VOLCANIC ASH ADVISORY
ISSUED: 2005AUG02/0712Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2005/620

INFORMATION SOURCE: GUAM WFO. GFS MODEL WINDS.
GOES-9. EMO. USGS

ERUPTION DETAILS: ONGOING ASH EMISSIONS

OBS ASH DATE/TIME: 02/0625Z

OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE
DATA. WINDS SFC/FL030 MOVING TO S 5-10 KNOTS.
FL050/FL120 MOVING TO SE 5-20 KNOTS. FL140/FL260
MOVING TO E 10-15 KNOTS.

FCST ASH CLOUD +6H: 02/1230Z 

FCST ASH CLOUD +12H: 02/1830Z 

FCST ASH CLOUD +18H: 03/0030Z 

REMARKS: NO ASH OR HOTSPOTS CAN BE DETECTED IN
SATELLITE IMAGERY BUT IT IS LIKELY THAT  MID-LEVEL
WEATHER CLOUDS ARE HAMPERING ASH DETECTION.  NO
ASH IS SEEN ABOVE OR BETWEEN CLOUDS AND THUS ASH
HAS BEEN ASSUMED TO BE BELOW FL150.  HOWEVER A
0430Z PILOT REPORT FROM NEAR THE VOLCANO CITES ASH
FL250-FL260.  ...

NEXT ADVISORY: WILL BE ISSUED BY 2005AUG02/1315Z

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