FVXX21 KNES 131145
VOLCANIC ASH ADVISORY
ISSUED: 2005FEB13/1145Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2005/072

INFORMATION SOURCE: GFS MODEL WINDS. GOES-9.
NOAA-15

ERUPTION DETAILS: ONGOING ASH AND STEAM EMISSIONS

OBS ASH DATE/TIME: 13/0802Z

OBS ASH CLOUD: SFC/FL140 80NM WIDE LINE BETWEEN
N1617E14540 - N1629E14422 - N1530E14211 -
N1320E13914 - N1411E13503. ASH IS MOVING W 15-20
KNOTS. 

FCST ASH CLOUD +6H: 13/1400Z SFC/FL140  80NM WIDE
LINE BETWEEN N1617E14540 - N1630E14418 -
N1526E13927 - N1238E13452. 

FCST ASH CLOUD +12H: 13/2000Z SFC/FL140 80NM WIDE
LINE BETWEEN N1617E14539 - N1629E14413 -
N1532E13900 - N1228E13456. 

FCST ASH CLOUD +18H: NOT AVBL

REMARKS: ONLY A SMALL AREA OF ASH CAN BE SEEN IN
MULTISPECTRAL IMAGERY THROUGH 1049Z.  HOWEVER A
LARGE ASH PLUME CAN BE SEEN IN THE LAST VISIBLE
IMAGE OF THE DAY...ABOUT 0802Z...EXTENDING FROM
THE SUMMIT OVER 600 NMI TO THE WEST SOUTHWEST.  
THEREFORE THE PLUME LOCATION IS DERIVED FROM THE
0802Z VISIBLE IMAGE. ...

NEXT ADVISORY: WILL BE ISSUED BY 2005FEB13/1745Z

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Full Size Graphic

-Graphic Map Depicting Ash