Saturday July 26, 2008

DESCRIPTIVE TEXT NARRATIVE FOR SMOKE/DUST OBSERVED IN SATELLITE IMAGERY
THROUGH 0200Z JULY 27, 2008


California fires:
Wildfires in the northern third of the state are producing moderately
dense to dense smoke, drifting off to the northeast.  Moderately dense
smoke from all the plumes are extending into southeastern Oregon,
and northwest Nevada, while lighter smoke is found further to the
northeast into central Idaho and western Montana. In Monterey County,
a moderately dense to dense smoke plume extends to the southwest out
over the Pacific Ocean. Lastly, a very large fire popped up earlier this
evening in Mariposa County, in the central part of the state. The dense
smoke plume is generally moving off to the northeast and extends to the
California/Nevada border, some 135km from the source.

Idaho:
A fire earlier this evening in Power County, southwest of Pocatello,
was producing a moderately dense smoke plume, which moved off to the
northeast and dissipated.

Montana:
In Carbon County, a moderately dense smoke plume is rapidly moving to the
east, and will soon move into southwestern North Dakota and northwestern
South Dakota.

Wyoming:
In Park County, a moderately dense smoke plume is currently racing off
to the east in the northern region of the state.

Canadian fires:
Moderately dense to dense smoke from fires surrounding Great Slave Lake
extends to the northwest, but also to the southeast along a trough.
The smoke around Great Slave Lake mixes in with the dense smoke from
fires near Lake Athabasca. The smoke in this area is so dense, that
a line of smoke has made its way down through northern Saskatchewan,
central Manitoba, and southern Ontario as moderately dense smoke,
and lighter smoke is found into the Great Lakes region of the United
States. Specifically, the lighter smoke is found in northern Minnesota,
Wisconsin, Michigan, and northern Illinois.


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Unless otherwise indicated:
  • Areas of smoke are analyzed using GOES-EAST and GOES-WEST Visible satellite imagery.
  • Only a general description of areas of smoke or significant smoke plumes will be analyzed.
  • A quantitative assessment of the density/amount of particulate or the vertical distribution is not included.
  • Widespread cloudiness may prevent the detection of smoke even from significant fires.