FVXX20 KNES 030806
VOLCANIC ASH ADVISORY
ISSUED: 2005MAY03/0806Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2005/234

INFORMATION SOURCE: GFS MODEL WINDS. RADIOSONDE.
GOES-9. 

ERUPTION DETAILS: CONTINOUS EMISSIONS

OBS ASH DATE/TIME: 03/0725Z

OBS ASH CLOUD: SFC/FL150 N1717E14556 - N1640E14606
- N1625E14540 - N1620E14536 - N1653E14504 -
N1717E14556 MOVING N 10-15 KNOTS. SFC/FL100
N1843E14158 - N1831E14328 - N1752E14438 -
N1712E14541 - N1654E14506 - N1720E14413 -
N1702E14201 - N1843E14158 MOVING W 10-15 KNOTS.
SFC/FL100 N1619E14534 - N1618E14535 - N1619E14534
MOVING W 10-15 KNOTS. 

FCST ASH CLOUD +6H: 03/1400Z  SFC/FL100
N1925E14146 - N1759E14449 - N1714E14540 -
N1700E14501 - N1723E14352 - N1732E14144 -
N1925E14146 SFC/FL150 N1739E14610 - N1644E14617 -
N1620E14539 - N1624E14535 - N1653E14508 -
N1739E14610 

FCST ASH CLOUD +12H: 03/2000Z  SFC/FL100
N1942E14150 - N1722E14543 - N1658E14507 -
N1726E14355 - N1753E14155 - N1942E14150 SFC/FL150
N1741E14610 - N1647E14624 - N1623E14539 -
N1654E14509 - N1741E14610 

FCST ASH CLOUD +18H: NOT AVBL

REMARKS: LATEST GFS MODEL PLACES ESTIMATED HEIGHT
AT FL150 NEAR THE VOLCANO AND FL100  FURTHER WEST.
  THIN DISPERSED ASH EXTENDS APPROXIMATELY 250 NMI
WEST NORTHWEST OF THE VOLCANO.  OVERALL ACTIVITY
SEEMS TO BE DECLINING. ...SCHWARTZ

NEXT ADVISORY: WILL BE ISSUED BY 2005MAY03/1400Z

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