FVXX22 KWBC 0916590
VOLCANIC ASH ADVISORY
ISSUED: 2003JUN09/1700Z VAAC: WASHINGTON
VOLCANO: ANATAHAN 0804-20
LOCATION: N1621E14540 AREA: MARIANA ISLANDS
SUMMIT ELEVATION: 2585 FT (788 M)
ADVISORY NUMBER: 2003/126
INFORMATION SOURCE: GOES-9 IMAGERY. GFS MODEL WINDS FORECAST.
ERUPTION DETAILS: CONTINUOUS ASH AND GAS EMISSIONS SINCE MAY 10.
OBS ASH DATE/TIME: 09/1613Z
OBS ASH CLOUD: SFC/FL100 10-15 NM WIDE LINE OF ASH EXTENDING
BETWEEN N1621E14540 N1604E14438 MOVING W AT 5-10 KNOTS.
SFC/FL100 N1604E14408 N1545E14325 N1838E14358 N1840E14424 MOVING
W 10 KNOTS.
FCST ASH CLOUD +6H: SEE SIGMETS.
REMARKS: THIN CIRRUS CLOUDS OBSCURE ASH DETECTION ON IR IMAGERY.
MULTISPECTRAL IMAGERY SHOWS A NARROW PLUME EXTENDING ABOUT 70 NM
FROM THE SUMMIT BEFORE IT BECOMES TOO DIFFUSE TO DETECT. A
SEPARATE NORTH TO SOUTH ORIENTED BAND OF THIN ASH FROM EARLIER
EMISSIONS CAN ALSO BEEN SEEN MOVING W AT 10 KNOTS...BALDWIN
NEXT ADVISORY: WILL BE ISSUED BY 2003JUN09/2300Z.
NNNN"Attached Graphic Map Depicting Ash Only"
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