FVXX20 KNES 041458
VOLCANIC ASH ADVISORY
ISSUED: 2005JUL04/1458Z VAAC: WASHINGTON
VOLCANO: ANATAHAN 0804-20
LOCATION: N1621E14540 AREA: MARIANA.ISLANDS
SUMMIT ELEVATION: 2585 FT (788 M)
ADVISORY NUMBER: 2005/495
INFORMATION SOURCE: GFS MODEL WINDS. RADIOSONDE.
GOES-9.
ERUPTION DETAILS: ONGOING ASH EMISSIONS
OBS ASH DATE/TIME: 04/1425Z
OBS ASH CLOUD: SFC/FL140 15NM WIDE LINE BETWEEN
N1626E14537 - N1613E14147. ASH IS MOVING W 10-15
KNOTS.
FCST ASH CLOUD +6H: 04/2025Z SFC/FL140 25NM WIDE
LINE BETWEEN N1625E14540 - N1618E14140.
FCST ASH CLOUD +12H: 05/0225Z SFC/FL140 25NM WIDE
LINE BETWEEN N1624E14540 - N1617E14140.
FCST ASH CLOUD +18H: 05/0825Z SFC/FL140 25NM WIDE
LINE BETWEEN N1625E14539 - N1618E14140.
REMARKS: MULTI-SPECTRAL IMAGERY SHOWS THE PLUME OF
ASH TO THE WEST OF THE VOLCANO. WEAK
THUNDERSTORMS/CUMULUS CLOUDS ARE EMBEDDED WITHIN
THE ASH PLUME. SOME ASH MAY BE TRANSPORTED UPWARD
IN THE UPDRAFTS. ...GALLINA
NEXT ADVISORY: WILL BE ISSUED BY 2005JUL04/2100Z
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