FVXX20 KNES 281120
VOLCANIC ASH ADVISORY
ISSUED: 2005APR28/1120Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2005/213

INFORMATION SOURCE: GFS MODEL WINDS. GOES-9. 

ERUPTION DETAILS: CONTINUOUS ASH EMISSIONS

OBS ASH DATE/TIME: 28/0802Z

OBS ASH CLOUD: SFC/FL090 N1641E14526 - N1627E14537
- N1611E14544 - N1531E14549 - N1453E14520 -
N1506E14500 - N1601E14501 - N1626E14512 -
N1641E14526 MOVING SW 5-10 KNOTS. 

FCST ASH CLOUD +6H: 28/1400Z SFC/FL090 N1643E14518
- N1626E14538 - N1538E14547 - N1403E14522 -
N1420E14423 - N1520E14402 - N1603E14431 -
N1643E14518 

FCST ASH CLOUD +12H: 28/2000Z SFC/FL090
N1627E14536 - N1557E14543 - N1444E14533 -
N1317E14427 - N1354E14354 - N1507E14349 -
N1623E14424 - N1627E14536 

FCST ASH CLOUD +18H: 29/0200Z SFC/FL090
N1627E14537 - N1530E14541 - N1320E14421 -
N1343E14244 - N1503E14244 - N1622E14358 -
N1627E14537 

REMARKS: ASH PLUME IS A LITTLE MORE SPREAD OUT IN
LAST VISIBLE IMAGES BEFORE SUNSET AS WINDS AROUND
THE VOLCANO HAVE BECOME LIGHT. ASH HAS SHOWN A BIT
MORE OF A SOUTHWARD COMPONENT PAST SEVERAL HOURS
THAN PREVIOUSLY FORECAST. LARGE AREA OF VOG STILL
REMAINS NORTH AND NORTHEAST OF THE VOLCANO
EXTENDING TO NEAR 21N148E. ...RUMINSKI

NEXT ADVISORY: WILL BE ISSUED BY 2005APR28/1715Z

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