FVXX20 KNES 092241
VOLCANIC ASH ADVISORY
ISSUED: 2005MAY09/2240Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2005/261

INFORMATION SOURCE: GFS MODEL WINDS. GOES-9. 

ERUPTION DETAILS: CONTINUOUS ASH AND STEAM
EMISSION

OBS ASH DATE/TIME: 09/2125Z

OBS ASH CLOUD: SFC/FL100 N1713E14328 - N1648E14546
- N1624E14544 - N1546E14359 - N1539E14326 -
N1713E14328 MOVING W 10 KNOTS. SFC/FL140
N1902E14301 - N1816E14407 - N1647E14418 -
N1646E14253 - N1737E14237 - N1902E14301 MOVING N
15 KNOTS. 

FCST ASH CLOUD +6H: 10/0330Z SFC/FL100 N1802E14100
- N1740E14544 - N1619E14546 - N1439E14113 -
N1802E14100 SFC/140 N2119E14158 - N2110E14320 -
N1814E14342 - N1841E14159 - N2119E14158 

FCST ASH CLOUD +12H: 10/0930Z SFC/FL100
N1902E14237 - N1758E14543 - N1616E14547 -
N1558E14220 - N1902E14237 SFC/FL140 N2237E14206 -
N2236E14331 - N1928E14352 - N1917E14155 -
N2237E14206 

FCST ASH CLOUD +18H: 10/1530Z SFC/FL100
N1709E14303 - N1708E14519 - N1619E14549 -
N1507E14310 - N1709E14303 SFC/FL140 NO ASH EXP

REMARKS: THERE ARE 2 AREAS OF ASH. ONE IS ONLY
SLIGHTLY HIGHER AROUND FL140 AND MOVING NORTHERLY
AND WILL ENTER THE TOKYO VAAC AREA NORTH OF 20N
AROUND 10/0200Z.   THE LOWER AREA BELOW FL100 IS
MOVING GENERALLY WEST HOWEVER IN THE LAST 2 IMAGES
THE PLUME IS MOVING MORE NORTHERLY OFF THE ISLAND
BUT THEN TURNING WESTERLY.   ...SWANSON

NEXT ADVISORY: WILL BE ISSUED BY 2005MAY10/0445Z

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