FVXX22 KWBC 240457
VOLCANIC ASH ADVISORY
ISSUED: 2003MAY24/0500Z VAAC: WASHINGTON
VOLCANO: ANATAHAN 0804-20
LOCATION: N1621E14540 AREA: MARIANA ISLANDS
SUMMIT ELEVATION: 2585 FT (788 M)
ADVISORY NUMBER: 2003/058
INFORMATION SOURCE: GOES-9 IMAGERY. GFS MODEL WINDS FORECAST.
ERUPTION DETAILS: ONGOING ASH EMISSIONS...FIRST ERUPTION BEGAN
MAY 10
OBS ASH DATE/TIME: 24/0413Z
OBS ASH CLOUD: SFC/FL170 10 NM WIDE LINE OF ASH EXTENDING BETWEEN
N1621E14500 N1452E14623. ASH IS MOVING S 15-20 KNOTS.
SFC/FL170 15 NM WIDE LINE OF ASH EXTENDING BETWEEN N1452E14623
N1314E14926. ASH MOVING SE 20-25 KNOTS.
FCST ASH CLOUD +6H: SEE SIGMETS AND VAFTAD.
REMARKS: CURRENT SATELLITE IMAGERY THROUGH 24/0413Z CONTINUES TO
SHOW A WELL DEFINED PLUME OF ASH MOVING SOUTH THEN SOUTHEAST AWAY
FROM THE SUMMIT. THE PLUME IS CAUGHT UP IN THE CYCLONIC
CIRCULATION OF TYPHOON CHAN-HOM. THE GOES-9 NAVIGATION AS OF
24/0202Z IS BACK TO NORMAL....WALTER
NEXT ADVISORY: WILL BE ISSUED BY 2003MAY24/1100Z.
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"Attached Graphic Map Depicting Ash Only"
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