FVXX20 KNES 051752
VOLCANIC ASH ADVISORY
ISSUED: 2005APR05/1751Z VAAC: WASHINGTON
VOLCANO: ANATAHAN 0804-20
LOCATION: N1621E14540 AREA: MARIANA.ISLANDS
SUMMIT ELEVATION: 2585 FT (788 M)
ADVISORY NUMBER: 2005/115
INFORMATION SOURCE: GUAM MWO. HONOLULU MWO. GFS
MODEL WINDS. GOES-9.
ERUPTION DETAILS: INTERMITTENT LOW LEVEL SINCE
04/0900Z LARGE ERUPTION AROUND 05/1600Z.
OBS ASH DATE/TIME: 05/1649Z
OBS ASH CLOUD: SFC/FL100 N1629E14538 - N1533E14521
- N1422E14325 - N1601E14335 - N1629E14538 MOVING W
15-20 KNOTS. SFC/FL500 N1654E14603 - N1623E14612 -
N1604E14539 - N1630E14538 - N1654E14603 MOVING NE
010 KNOTS.
FCST ASH CLOUD +6H: 05/2300Z SFC/FL200 N1635E14537
- N1424E14528 - N1458E14252 - N1611E14253 -
N1635E14537 SFC/FL520 N1834E14759 - N1600E14800 -
N1422E14531 - N1658E14531 - N1834E14759
FCST ASH CLOUD +12H: NOT AVBL
FCST ASH CLOUD +18H: NOT AVBL
REMARKS: THE GUAM MWO COULD SEE ON RADAR AN
ERUPTION COLUMN EXTENDING UP TO FL500 OVER THE
ISLAND. SATELLITE IMAGERY CAN DETECT ASH MOVING
IN LOWER LEVELS TO THE WEST AND HIGHER LEVELS TO
THE EAST AND NORTHEAST. WE WILL UPDATE THE
FORECAST SECTION TO INCLUDE 12 AND 18 AS SOON AS
POSSIBLE ...
NEXT ADVISORY: WILL BE ISSUED BY 2005APR05/2345Z
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