FVXX20 KNES 120327
VOLCANIC ASH ADVISORY
ISSUED: 2005JUL12/0327Z   VAAC: WASHINGTON

VOLCANO: ANATAHAN 0804-20
LOCATION: N1621E14539   AREA: MARIANA.ISLANDS

SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2005/530

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

ERUPTION DETAILS: ONGOING ASH EMISSION

OBS ASH DATE/TIME: 12/0302Z

OBS ASH CLOUD: SFC/FL200 N1813E14341 - N1629E14545
- N1617E14541 - N1619E14410 - N1716E14311 -
N1632E14214 - N1743E14159 - N1813E14341 MOVING W 5
KNOTS. 

FCST ASH CLOUD +6H: 12/0902Z SFC/FL200 N1811E14411
- N1635E14538 - N1627E14546 - N1547E14542 -
N1601E14456 - N1720E14337 - N1811E14411 

FCST ASH CLOUD +12H: 12/1502Z SFC/FL200
N1728E14352 - N1637E14534 - N1627E14546 -
N1514E14555 - N1531E14444 - N1633E14326 -
N1728E14352 

FCST ASH CLOUD +18H: 12/2102Z SFC/FL200
N1638E14528 - N1629E14545 - N1457E14558 -
N1520E14435 - N1638E14528 

REMARKS: VISIBLE IMAGERY SHOWS A VERY DENSE AREA
OF ASH TO THE WEST OF THE VOLCANO TO 145E. 
HOWEVER WISPY ASH AND VOG CLOUD EXTEND FURTHER.  
FORECAST IS FOR A SLIGHT TURNING OF THE WINDS OUT
OF THE NORTH BY 6 HOURS...BUT STILL DRIFTING LESS
THAN 5 KTS. ASH MAY DRIFT AS FAR SOUTH AS SIAPAN
BY 18HRS.  ...GALLINA

NEXT ADVISORY: WILL BE ISSUED BY 2005JUL12/0930Z

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