FVXX20 KWBC 051658
VOLCANIC ASH ADVISORY
ISSUED: 2004OCT05/1658Z VAAC: WASHINGTON
VOLCANO: ST. HELENS 1201-05
LOCATION: N4612W12211 AREA: US-WASHINGTON
SUMMIT ELEVATION: 8363 FT (2549 M)
ADVISORY NUMBER: 2004/015
INFORMATION SOURCE: GFS MODEL WINDS. GOES-10.
USGS.
ERUPTION DETAILS: ASH AND STEAM EMISSIONS BEGAN
AROUND 05/1600Z.
OBS ASH DATE/TIME: 05/1630Z
OBS ASH CLOUD: SFC/FL130 5NM WIDE LINE BETWEEN
N4623W12204 - N4613W12214. ASH IS MOVING NE 25-35
KNOTS.
FCST ASH CLOUD +6H: NOT AVBL
FCST ASH CLOUD +12H: NOT AVBL
FCST ASH CLOUD +18H: NOT AVBL
REMARKS: GOES VISIBLE IMAGERY SHOWS AN ASH AND
STEAM EMISSION WHICH EXTENDS TO THE NORTHEAST OF
THE SUMMIT. USGS REPORTS THAT THE HEIGHT OF THE
PLUME EXTENDS TO FL130. ...RUMINSKI/KARST
THIS PRODUCTS HEADER WILL CHANGE FROM KWBC TO KNES
EFFECTIVE OCT 28, 2004.
NEXT ADVISORY: WILL BE ISSUED BY 2004OCT05/2300Z
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