FVXX20 KWBC 140847
VOLCANIC ASH ADVISORY
ISSUED: 2004APR14/0846Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2004/002

INFORMATION SOURCE: GFS MODEL WINDS FORECAST.
GOES-9 IMAGERY. USGS. 

ERUPTION DETAILS: ONGOING SEISMIC ACTIVITY WITH A
BRIEF INCREASE IN ACTIVITY AT ABOUT 0440Z

OBS ASH DATE/TIME: 14/0802Z

OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE
DATA. WINDS SFC/FL040 MOVING TO NW 10 KNOTS.

FCST ASH CLOUD +6H: NOT AVBL

FCST ASH CLOUD +12H: NOT AVBL

FCST ASH CLOUD +18H: NOT AVBL

REMARKS: NO ASH CAN BE SEEN IN SATELLITE IMAGERY
THROUGH 14/0802Z.  HOWEVER SEISMIC ACTIVITY
SUGGESTS THE POSSIBILITY OF NEAR SUMMIT OR LOW
LEVEL ASH THAT MIGHT NOT BE DETECTED IN SATELLITE
IMAGERY ESPECIALLY UNDER THE CURRENT CLOUDY
CONDITIONS.    ...

NEXT ADVISORY: NO FURTHER ADVISORIES

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