FVXX21 KNES 251440
VOLCANIC ASH ADVISORY
ISSUED: 2005AUG25/1440Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 8363 FT (2549 M)

ADVISORY NUMBER: 2005/018

INFORMATION SOURCE: GOES-10. USGS. JRO CAMERA.
AFWA. PORTLAND WFO

ERUPTION DETAILS: RESUSPENDED ASH 

OBS ASH DATE/TIME: 25/1415Z

OBS ASH CLOUD: SFC/FL080 10NM WIDE LINE BETWEEN
N4635W12310 - N4612W12211. ASH IS MOVING NW 0-5
KNOTS. 

FCST ASH CLOUD +6H: 25/2030Z SFC/FL080 N4632W12243
- N4619W12204 - N4613W12201 - N4610W12210 -
N4623W12252 - N4632W12243 

FCST ASH CLOUD +12H: 26/0230Z NO ASH EXP.

FCST ASH CLOUD +18H: 26/0830Z NO ASH EXP.

REMARKS: MSH CAMERA AND G-10 VISIBLE IMAGERY SHOW
A MODERATELY DENSE PLUME OF ASH TO THE NW OF THE
VOLCANO ABOUT 30 NMI. THIS IS NOT RELATED TO ANY
ERUPTION BUT IS DUE TO WINDS AT THE CRATER
RESUSPENDING ASH AND BLOWING IT NW. PLUME HEIGHT
DOES NOT EXCEED THE CRATER RIM. ...GALLINA

NEXT ADVISORY: WILL BE ISSUED BY 2005AUG25/2045Z

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