Tuesday, July 19, 2005

THRU 0300Z JULY 20, 2005

Alaska/Northwestern Canada:
A few scattered fires were detected from central to west central Alaska
with some smoke visible spreading southward from several of these
fires. Abundant cloudiness still covers a good portion of Alaska today
making additional fire and smoke detection difficult.   Significant fires
burning across northwestern Canada between Great Bear Lake and Great
Slave Lake continue to produce a large quantity of smoke. Smoke during
the day has moved southward now into the northern half of British Columbia
and Alberta Provinces.

Southeastern Canada:
Only a few fires have been detected across eastern Canada today as
a synoptic scale weather system has moved across the region bringing
widespread cloudiness and areas of rain showers. This made it difficult
to detect the presence of smoke or any of the large fires which were
visible yesterday.

Western U.S.:
Many new fires were detected this afternoon and evening across Washington,
Oregon, Idaho, and Montana. Many of these fires had visible smoke plumes
which were moving mostly off to the east. Another batch of new fires
formed this evening over west central California, just east of San
Francisco Bay region. Thick smoke from these fires was rapidly moving
to the southeast. Evening GOES-12 Visible imagery showed a huge mass of
smoke covering much of the area including eastern Nevada, southern Idaho,
southwestern Wyoming, western Colorado, western New Mexico, southeastern
California, and just about all of Utah and Arizona. Major fires with
very thick convective looking smoke plumes were noted especially over
northern Nevada, southern Utah, and central Arizona.

Visible imagery showed a thick black smoke plume spreading eastward
from a fire reported to be at a Tire Recycling Facility in southern
Wisconsin. The plume was seen moving across Lake Michigan into
southwestern lower Michigan.


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.