FVXX20 KNES 300747
VOLCANIC ASH ADVISORY
ISSUED: 2005APR30/0746Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2005/221

INFORMATION SOURCE: GFS MODEL WINDS. RADIOSONDE.
GOES-9. 

ERUPTION DETAILS: CONTINOUS ASH AND STEAM
EMISSIONS.

OBS ASH DATE/TIME: 30/0725Z

OBS ASH CLOUD: SFC/FL090 25NM WIDE LINE BETWEEN
N1623E14538 - N1536E14353. ASH IS MOVING W 5-10
KNOTS. SFC/FL090 N1623E14538 - N1618E14537 -
N1548E14503 - N1608E14459 - N1623E14538 MOVING W
5-10 KNOTS. 

FCST ASH CLOUD +6H: SFC/FL090 25NM WIDE LINE
BETWEEN N1625E14537 - N1557E14349. 

FCST ASH CLOUD +12H: SFC/ 25NM WIDE LINE BETWEEN
N1631E14537 - N1618E14340. 

FCST ASH CLOUD +18H: NOT AVBL

REMARKS: GOES 9 IMAGERY SHOWS THICKER ASH NOW
EMERGING FROM THE VOLCANO STARTING WITH THE
30/0413Z IMAGE. THIS ASH EXTENDS 30 NMI WEST OF
THE VOLCANO.  IN ADDITION THIN DISPERSED ASH
EXTENDS APPROXIMATELY 100 WEST OF THE VOLCANO
...SCHWARTZ

NEXT ADVISORY: WILL BE ISSUED BY 2005APR30/1345Z

NNNN
Full Size Graphic


-