FVXX20 KNES 010639
VOLCANIC ASH ADVISORY
ISSUED: 2005APR01/0638Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2005/103

INFORMATION SOURCE: GFS MODEL WINDS. GOES-9. 

ERUPTION DETAILS: CONTINUOUS LOW LEVEL PLUME

OBS ASH DATE/TIME: 01/0602Z

OBS ASH CLOUD: SFC/FL100 N1729E14449 - N1620E14540
- N1549E14534 - N1537E14458 - N1641E14434 -
N1729E14449 MOVING W 15 KNOTS. 

FCST ASH CLOUD +6H: 01/1202Z SFC/FL100 N1656E14425
- N1620E14540 - N1459E14437 - N1656E14425 

FCST ASH CLOUD +12H: 01/1802Z SFC/FL100
N1629E14411 - N1619E14540 - N1502E14534 -
N1456E14437 - N1629E14411 

FCST ASH CLOUD +18H: .

REMARKS: THERE CONTINUES TO BE A THINK PLUME OF
STEAM AND ASH EXTENDING GENERALLY WEST FROM THE
ISLAND.  THE PLUME IS BEGINING TO FAN OUR AS A LOW
PRESSURE CENTER APPROCHES SOUTH OF THE ISLAND. 
THERE IS ALSO SOME FAINT VOG WEST OF THE ISLAND
EXTENDING OUT TO 260 NMI.  DUE TO QUESTIONABLE
MODEL GUIDANCE NO 18 HR FORECAST PROVIDED.  ...

NEXT ADVISORY: WILL BE ISSUED BY 2005APR01/1245Z

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