FVXX20 KWBC 140615
VOLCANIC ASH ADVISORY
ISSUED: 2004APR14/0614Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2004/001

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

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

OBS ASH DATE/TIME: 14/0440Z

OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE
DATA. WINDS SFC/FL030 MOVING TO NW 10 KNOTS.

FCST ASH CLOUD +6H: NOT AVBL

FCST ASH CLOUD +12H: NOT AVBL

FCST ASH CLOUD +18H: NOT AVBL

REMARKS: CORRECTION OF VOLCANO LATITUDE 
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 2004APR14/1215Z

NNNN