FVXX20 KNES 211636
VOLCANIC ASH ADVISORY
ISSUED: 2005MAY21/1635Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2005/308

INFORMATION SOURCE: GFS MODEL WINDS. GOES-9. 

ERUPTION DETAILS: CONTINUOUS ASH EMISSIONS

OBS ASH DATE/TIME: 21/1525Z

OBS ASH CLOUD: SFC/FL080 N1753E14320 - N1749E14450
- N1629E14547 - N1616E14540 - N1618E14343 -
N1753E14320 MOVING NW 5-10 KNOTS. SFC/FL100
N1718E14514 - N1630E14702 - N1510E14620 -
N1511E14533 - N1616E14408 - N1718E14514 MOVING S
5-10 KNOTS. 

FCST ASH CLOUD +6H: 21/2100Z  SFC/FL080
N1826E14259 - N1822E14505 - N1629E14546 -
N1613E14541 - N1534E14312 - N1826E14259 SFC/FL100
N1738E14523 - N1647E14632 - N1450E14534 -
N1542E14343 - N1738E14523 

FCST ASH CLOUD +12H: 22/0300Z  SFC/FL080
N1935E14240 - N1919E14507 - N1629E14548 -
N1616E14542 - N1538E14250 - N1935E14240 

FCST ASH CLOUD +18H: NOT AVBL

REMARKS: ASH CAN BE SEEN IN MULTISPECTRAL IMAGERY
MOVING SLOWLY TO THE NORTHWEST.  THINNER AND
HIGHER ASH IS DRIFTING SLOWLY SOUTH AND WEST. ...

NEXT ADVISORY: WILL BE ISSUED BY 2005MAY21/2230Z

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