FVXX20 KNES 212348
VOLCANIC ASH ADVISORY
ISSUED: 2005JUN21/2347Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2005/441

INFORMATION SOURCE: GFS MODEL WINDS. PILOT REPORT.
GOES-9. 

ERUPTION DETAILS: CONTINUOUS EMISSIONS OF ASH AND
GASES

OBS ASH DATE/TIME: 21/2249Z

OBS ASH CLOUD: SFC/FL100 N1657E14318 - N1623E14537
- N1617E14537 - N1454E14308 - N1657E14318 MOVING W
10-15 KNOTS. 

FCST ASH CLOUD +6H: SFC/FL100 N1657E14256 -
N1621E14539 - N1617E14540 - N1508E14246 -
N1657E14256 

FCST ASH CLOUD +12H: SFC/FL100 N1620E14537 -
N1614E14538 - N1405E14232 - N1608E14234 -
N1620E14537 

FCST ASH CLOUD +18H: SFC/FL100 N1620E14538 -
N1617E14538 - N1359E14212 - N1553E14219 -
N1620E14538 

REMARKS: HIGH LEVEL CLOUDS ARE INCREASING OVER THE
AREA MAKING IT DIFFICULT TO DETECT ASH IN THE
SATELLITE IMAGERY. A FAINT LOW LEVEL PLUME EXTENDS
132 NMI WEST OF THE SUMMIT. AT 21/2310Z A PILOT
REPORTED ASH/STEAM OVER THE VOLCANO TO FL050 WITH
LITTLE MOVEMENT. ...BROWN

NEXT ADVISORY: WILL BE ISSUED BY 2005JUN22/0545Z

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