FVXX20 KNES 300139
VOLCANIC ASH ADVISORY
ISSUED: 2005AUG30/0139Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2005/738

INFORMATION SOURCE: HONOLULU MWO. GOES-9. 

ERUPTION DETAILS: ONGOING ASH EMISSIONS

OBS ASH DATE/TIME: 30/0025Z

OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE
DATA. WINDS FL070/FL120 MOVING TO SW 15-25 KNOTS.
SFC/FL070 MOVING TO S 5-15 KNOTS.

FCST ASH CLOUD +6H: 30/0630Z 

FCST ASH CLOUD +12H: 30/1230Z 

FCST ASH CLOUD +18H: 30/1830Z 

REMARKS: WITH THE APPROACH OF TROPICAL STORM
NABI... ASH DETECTION HAS BECOME DIFFICULT AND
WILL BECOME NEAR IMPOSSIBLE OVER THE NEXT FEW DAYS
AS CLOUDY CONDITIONS WILL DOMINATE SATELLITE
DETECTION.  WINDS WILL TRANSPORT ASH TO THE S IN
LOW LEVELS AND SW ABOVE FL070 OVER THE NEXT 6-12
HOURS AND WILL BECOME VERY STRONG WITH THE
DIRECTION BEING VERY DEPENDENT ON THE TRACK OF
CIRCULATION CENTER OF NABI.  AVOIDANCE OF AREA DUE
TO ASH APPEARS TO BE SECONDARY TO TROPICAL CYCLONE
AVOIDANCE. ...GALLINA

NEXT ADVISORY: WILL BE ISSUED BY 2005AUG30/0745Z

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