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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