FVXX20 KNES 102202
VOLCANIC ASH ADVISORY
ISSUED: 2005JUL10/2201Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2005/525

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

ERUPTION DETAILS: CONTINUOUS EMISSION OF ASH AND
GASES

OBS ASH DATE/TIME: 10/2102Z

OBS ASH CLOUD: SFC/FL250 30NM WIDE LINE BETWEEN
N1623E14501 - N1620E14543. ASH IS MOVING W 15
KNOTS. SFC/FL150 N1649E14347 - N1637E14501 -
N1549E14500 - N1438E14312 - N1526E14159 -
N1649E14347 MOVING W 15 KNOTS. 

FCST ASH CLOUD +6H: 11/0300Z SFC/FL250 30NM WIDE
LINE BETWEEN N1628E14259 - N1620E14544. SFC/FL150
N1756E14126 - N1641E14400 - N1550E14459 -
N1449E14401 - N1407E14049 - N1756E14126 

FCST ASH CLOUD +12H: 11/0900Z SFC/FL200
N1749E14107 - N1620E14543 - N1523E14437 -
N1344E14014 - N1614E13935 - N1749E14107 

FCST ASH CLOUD +18H: 11/1500Z SFC/FL200
N1730E14200 - N1620E14543 - N1529E14457 -
N1455E14034 - N1730E14200 

REMARKS: THE EMISSION COMING OUT OF THE VOLCANO
HAS BE REPORTED BY A PILOT TO BE HIGHER AND
ESTIMATED TO FL280.  THE WINDS ALOFT WOULD SUPPORT
THE PLUME MOTION  TO MAYBE FL250.  THIS CURRENT
ACTIVITY MAY BE BRIEF SO WILL ONLY HOLD THAT
HEIGHT OUT 6 HOURS.  WITH CONTINUED AREAS ONLY TO
FL200 AND STILL FANNING OUR FROM WEST NORTHWEST TO
WEST SOUTHWEST THEN BECOMING MORE COMPACT AT 18
HOURS.   ...SWANSON

NEXT ADVISORY: WILL BE ISSUED BY 2005JUL11/0400Z

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