FVXX23 KNES 220438
VOLCANIC ASH ADVISORY
ISSUED: 20061022/0437Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 8363 FT (2549 M)

ADVISORY NUMBER: 2006/012

INFORMATION SOURCE: GOES-12. GFS WINDS.
RADIOSONDE. USGS. 

ERUPTION DETAILS: ROCKFALL AT 21/2218Z WITH ASH
CLOUD.

OBS ASH DATE/TIME: 22/0400Z

OBS ASH CLOUD: NO ASH EXP.

FCST ASH CLOUD +6H: 22/1000Z 

FCST ASH CLOUD +12H: 22/1600Z 

FCST ASH CLOUD +18H: 22/2200Z 

REMARKS: NO FURTHER ASH EMISSIONS HAVE BEEN
OBSERVED AT THE VOLCANO ON SATELLITE IMAGERY. 
HOTSPOT DIMININSHED BY 22/0030Z.  WINDS UP TO
FL140 WILL SHIFT AND MOVE MORE TO THE NORTH OVER
THE NEXT 12-18 HOURS.  SIGMET HAS BEEN CANCELLED.
...BALDWIN

NEXT ADVISORY: NO FURTHER ADVISORIES