FVXX20 KNES 110608
VOLCANIC ASH ADVISORY
ISSUED: 2005AUG11/0607Z VAAC: WASHINGTON
VOLCANO: ANATAHAN 0804-20
LOCATION: N1621E14540 AREA: MARIANA.ISLANDS
SUMMIT ELEVATION: 2585 FT (788 M)
ADVISORY NUMBER: 2005/660
INFORMATION SOURCE: GFS MODEL WINDS. RADIOSONDE.
GOES-9. USGS.
ERUPTION DETAILS: CONTINUOUS EMISSION OF ASH AND
GASES
OBS ASH DATE/TIME: 11/0525Z
OBS ASH CLOUD: SFC/FL240 N2000E14114 - N1801E14158
- N1620E14544 - N1606E14501 - N1559E14036 -
N2000E13917 - N2000E14114 MOVING W -NW 15-20
KNOTS.
FCST ASH CLOUD +6H: 11/1130Z SFC/FL240 N1911E13740
- N1851E14023 - N1620E14546 - N1537E14445 -
N1558E13744 - N1911E13740
FCST ASH CLOUD +12H: 11/1730Z SFC/FL220
N1829E13943 - N1620E14546 - N1524E14401 -
N1550E13858 - N1829E13943
FCST ASH CLOUD +18H: 11/2330Z SFC/FL220
N1728E13836 - N1620E14544 - N1459E14400 -
N1423E13801 - N1728E13836
REMARKS: THE DAILY USGS REPORT FOR THE VOLCANO HAS
CONTINUED STRONG SEISMIC ACTIVITY. SATELLITE
IMAGERY SHOWS THE CURRENT PLUME TO BE FANNING WEST
TO NORTHWEST FROM THE VOLCANO WITH OLDER
DIMINISHING ASH ASH CURVING NORTH. THE FORECAST
WINDS SHOW THE PLUME WILL GRADUALY TURN MORE WEST
TO SOUTHWEST. ...
NEXT ADVISORY: WILL BE ISSUED BY 2005AUG11/1200Z
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