FVXX22 KWBC 120653
VOLCANIC ASH ADVISORY
ISSUED: 2003JUN12/0650Z VAAC: WASHINGTON
VOLCANO: ANATAHAN 0804-20
LOCATION: N1621E14540 AREA: MARIANA ISLANDS
SUMMIT ELEVATION: 2585 FT (788 M)
ADVISORY NUMBER: 2003/137
INFORMATION SOURCE: GOES-9 IMAGERY. GFS MODEL WINDS FORECAST.
ERUPTION DETAILS: CONTINUOUS ASH AND GAS EMISSIONS SINCE MAY 10.
OBS ASH DATE/TIME: 12/0602Z
OBS ASH CLOUD: SFC/FL100 15 NM WIDE LINE OF ASH EXTENDING
BETWEEN N1621E14540 N1647E14505. ASH IS MOVING NW AT 10-15
KNOTS.
SFC/FL100 N1648E14510 N1720E45021 N1720E14400 N1654E14414 MOVING
NW 10-15 AT KNOTS.
SFC/FL070 N1720W14400 N1922W14427 N1942W14010 N1627E14349
N1418E13243 N1420E13418 N1537E13458 N1557E13625 N2722E13830
N1744E14149 N1725E14338 MOVING WEST AT 5-10 KNOTS.
FCST ASH CLOUD +6H: SEE SIGMETS.
REMARKS: VISIBLE IMAGERY SHOWED A THICK PLUME ESTIMATED AT FL100
ATTACHED TO THE VOLCANO. A 2ND AREA OF ASH ESTIMATED AT FL100 IS
NORTHWEST OF THE PLUME. A LARGE AREA OF DIFFUSE ASH ESTIMATED
AT FL070 IS FURTHER WEST AND MOVING WEST. POINTS ARE
APPROXIMATIONS.
NEXT ADVISORY: WILL BE ISSUED BY 2003JUN12/1300Z.
NNNN"Attached Graphic Map Depicting Ash Only"
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