FVXX22 KNES 291649
VOLCANIC ASH ADVISORY
ISSUED: 2006MAY29/1648Z   VAAC: WASHINGTON

VOLCANO: ST. HELENS 1201-05
LOCATION: N4611 W12210   AREA: US-WASHINGTON

SUMMIT ELEVATION: 8363 FT (2549 M)

ADVISORY NUMBER: 2006/002

INFORMATION SOURCE: GOES-12. GFS WINDS. PILOT
REPORT. CASCADES VOLCANO OBSERVATORY. 

ERUPTION DETAILS: ROCKFALL PRODUCED PUFF OF ASH

OBS ASH DATE/TIME: 29/1630Z

OBS ASH CLOUD: SFC/FL200 4NM WIDE LINE BETWEEN
N4614 W12213 - N4612 W12210. ASH IS MOVING N 0-10
KNOTS. 

FCST ASH CLOUD +6H: 29/2230Z NO VA EXP.

FCST ASH CLOUD +12H: 30/0430Z NO VA EXP.

FCST ASH CLOUD +18H: 30/1030Z NO VA EXP.

REMARKS: THE CASCADES VOLCANO OBSERVATORY REPORTS
A ROCKFALL ACCOMPANIED BY ABOUT 2 MINUTES OF
ACTIVITY THAT PRODUCED ASH THAT HAS RISEN AT LEAST
TO FL200.  LIGHT AND VARIABLE WINDS ARE KEEPING
THE ASH FAIRLY NEAR THE SUMMIT AND IT IS DIFFICULT
TO DETERMINE A DIRECTION BUT A SLOW NORTHERLY
MOVEMENT SEEMS MOST LIKELY.   ...

NEXT ADVISORY: WILL BE ISSUED BY 2006MAY29/2245Z

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-Graphic Map Depicting Ash