FVXX20 KNES 091011
VOLCANIC ASH ADVISORY
ISSUED: 2005MAR09/1009Z   VAAC: WASHINGTON

VOLCANO: ST. HELENS 1201-05
LOCATION: N4612W12211   AREA: US-WASHINGTON

SUMMIT ELEVATION: 8363 FT (2549 M)

ADVISORY NUMBER: 2005/007

INFORMATION SOURCE: GFS MODEL WINDS. PILOT REPORT.
GOES-10. SURFACE REPORTS

ERUPTION DETAILS: EXHALATION AT 09/0125Z

OBS ASH DATE/TIME: 09/0800Z

OBS ASH CLOUD: SFC/FL360 N4741W11532 - N4704W11508
- N4641W11520 - N4640W11720 - N4705W11719 -
N4702W11618 - N4741W11532 MOVING E 40 KNOTS.
SFC/FL200 N4708W11718 - N4639W11721 - N4553W11803
- N4552W11841 - N4707W11745 - N4708W11718 MOVING E
30-35 KNOTS. 

FCST ASH CLOUD +6H: 09/1400Z SFC/FL340 N4634W11150
- N4411W10955 - N4259W11054 - N4604W11211 -
N4634W11150 SFC/FL200 N4743W11437 - N4634W11149 -
N4605W11213 - N4650W11450 - N4743W11437 

FCST ASH CLOUD +12H: NOT AVBL

FCST ASH CLOUD +18H: NOT AVBL

REMARKS: LEADING EDGE OF ASH HAS ENTERED WESTERN
MONTANA.  ASH IS BECOMING FAINTER OR MORE DIFFUSE
IN SATELLITE IMAGERY.  THE ASH IS CURRENTLY MOVING
EASTWARD BUT IS EXPECTED TO TURN MORE SOUTH IN THE
NEXT SEVERAL HOURS.   ...

NEXT ADVISORY: WILL BE ISSUED BY 2005MAR09/1615Z

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