FVXX20 KNES 051215
VOLCANIC ASH ADVISORY
ISSUED: 2005JUN05/1214Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2005/368

INFORMATION SOURCE: GFS MODEL WINDS. GOES-9. 

ERUPTION DETAILS: CONTINUOUS ASH EMISSIONS

OBS ASH DATE/TIME: 05/1049Z

OBS ASH CLOUD: SFC/050 30NM WIDE LINE BETWEEN
N1811E14334 - N1625E14536. ASH IS MOVING NW 15-20
KNOTS. SFC/FL120 N1655E14433 - N1546E14553 -
N1403E14444 - N1532E14340 - N1655E14433 MOVING SW
10 KNOTS. 

FCST ASH CLOUD +6H: 05/1700Z  SFC/FL050 30NM WIDE
LINE BETWEEN N1810E14420 - N1623E14537. SFC/FL120
N1625E14416 - N1507E14528 - N1334E14427 -
N1501E14322 - N1625E14416 

FCST ASH CLOUD +12H: 05/2300Z  SFC/FL050 30NM WIDE
LINE BETWEEN N1800E14408 - N1625E14537. SFC/FL120
N1555E14355 - N1429E14501 - N1251E14406 -
N1427E14254 - N1555E14355 

FCST ASH CLOUD +18H: 06/0500Z  SFC/FL050 30NM WIDE
LINE BETWEEN N1801E14413 - N1622E14538. SFC/FL120
N1529E14340 - N1359E14446 - N1211E14341 -
N1357E14232 - N1529E14340 

REMARKS: ASH HEIGHTS HAVE BEEN SIGNIFICANTLY
REDUCED BASED ON 12Z GFS FORECAST WINDS WHICH SHOW
A SHARP CHANGE FROM NORTHEASTERLY TO EASTERLY
WINDS AROUND FL120.   THE ASH CLOUD ESTIMATED AT
FL120 CONTINUES TO MOVE SLOWLY TOWARDS THE
SOUTHWEST WITH NO INDICATION OF DISSIPATION.  ASH
TO FL050 WAS MOVING TO THE NORTHWEST AND EXTENDED
APPROXIMATELY 135 NMI FROM THE VOLCANO AT 1049Z.
...TURK

NEXT ADVISORY: WILL BE ISSUED BY 2005JUN05/1815Z

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