FVXX20 KWBC 140454
VOLCANIC ASH ADVISORY
ISSUED: 2004APR14/0453Z   VAAC: WASHINGTON

VOLCANO: ANATAHAN 0804-20
LOCATION: N1421E14540   AREA: MARIANA.ISLANDS

SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2004/001

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

ERUPTION DETAILS: USGS REPORTS ONGOING ACTIVITY AS
WELL AS AN INCREASE IN SEISMIC ATIVITY AT ABOUT
0440Z

OBS ASH DATE/TIME: 14/0440Z

OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE
DATA. WINDS SFC/FL020 MOVING TO NW 10 KNOTS.

FCST ASH CLOUD +6H: NOT AVBL

FCST ASH CLOUD +12H: NOT AVBL

FCST ASH CLOUD +18H: NOT AVBL

REMARKS: USGS IS MONITORING SEISMIC ACTIVITY AND
REPORTED A BRIEF INCREASE IN ACTIVITY AT ABOUT
0440Z.  NO ASH CAN BE SEEN IN SATELLITE IMAGERY
THROUGH 0413Z BUT CLOUDS IN THE AREA COULD BE
HAMPERING ASH DETECTION. ...

NEXT ADVISORY: WILL BE ISSUED BY 2004APR14/1100Z

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