FVXX20 KNES 282144
VOLCANIC ASH ADVISORY
ISSUED: 2005MAY28/2143Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2005/337

INFORMATION SOURCE: GOES-12. GFS MODEL WINDS.
RADIOSONDE. GOES-9. 

ERUPTION DETAILS: CONTINUOUS ASH EMISSIONS

OBS ASH DATE/TIME: 28/2002Z

OBS ASH CLOUD: SFC/FL150 N2152E14113 - N2138E14157
- N2005E14220 - N1809E14311 - N1635E14538 -
N1613E14535 - N1644E14358 - N1744E14201 -
N1910E14002 - N2044E14014 - N2152E14113 MOVING NW
10-15 KNOTS. 

FCST ASH CLOUD +6H: 29/0200Z  SFC/FL150
N2229E14152 - N1820E14253 - N1644E14541 -
N1610E14538 - N1726E14155 - N2000E13926 -
N2216E14041 - N2229E14152 

FCST ASH CLOUD +12H: 29/0800Z  SFC/FL150
N2348E14159 - N2003E14240 - N1801E14334 -
N1656E14541 - N1607E14540 - N1729E14150 -
N2003E14011 - N2231E14104 - N2348E14159 

FCST ASH CLOUD +18H: 29/1400Z  SFC/FL150
N2406E14232 - N2005E14240 - N1817E14313 -
N1655E14539 - N1607E14540 - N1848E14002 -
N2405E14158 - N2406E14232 

REMARKS: ASH PLUME CONTINUES TO BE DEPICTED VERY
WELL IN MULTISPECTRAL IMAGERY. HAVE ADJUSTED
HEIGHT OF ASH SLIGHTLY LOWER TO FL150 BASED ON
LATEST PGUM SOUNDING AND GFS MODEL WINDS. FORECAST
REFLECTS A GRADUAL VEERING OF WIND FIELD IN LATER
PERIODS. ...RUMINSKI

NEXT ADVISORY: WILL BE ISSUED BY 2005MAY29/0345Z

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