FVXX20 KNES 050011
VOLCANIC ASH ADVISORY
ISSUED: 2004OCT05/0010Z VAAC: WASHINGTON
VOLCANO: ST. HELENS 1201-05
LOCATION: N4612W12211 AREA: US-WASHINGTON
SUMMIT ELEVATION: 8363 FT (2549 M)
ADVISORY NUMBER: 2004/011
INFORMATION SOURCE: GOES-12. GFS MODEL WINDS.
PILOT REPORT. GOES-10. CASCADES VOLCANO
OBSERVATORY,
ERUPTION DETAILS: EMISSION OF STEAM AND SOME ASH
AT 04/1645Z.
OBS ASH DATE/TIME: 04/2345Z
OBS ASH CLOUD: SFC/FL120 N4616W12059 - N4541W12034
- N4540W12102 - N4559W12122 - N4557W12148 -
N4610W12209 - N4611W12206 - N4616W12059 MOVING SE
10 KNOTS.
FCST ASH CLOUD +6H: NOT AVBL
FCST ASH CLOUD +12H: NOT AVBL
FCST ASH CLOUD +18H: NOT AVBL
REMARKS: A VERY FAINT STEAM PLUME MIXED WITH SOME
ASH CAN STILL BE SEEN IN GOES-12 VISIBLE IMAGERY
THROUGH 2345Z. THE PLUME EXTENDS FROM THE SUMMIT
TOWARD THE ESE AND ITS LEADING EDGE HAS REACHED
THE WASHINGTON OREGON BORDER. ...STREETT
THIS PRODUCTS HEADER WILL CHANGE FROM KWBC TO KNES
EFFECTIVE OCT 28, 2004.
NEXT ADVISORY: WILL BE ISSUED BY 2004OCT05/0615Z
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