Thursday, August 21, 2014

DESCRIPTIVE TEXT NARRATIVE FOR SMOKE/DUST OBSERVED IN SATELLITE IMAGERY
THROUGH 1545Z August 21, 2014

Eastern Canada/Hudson Bay:
A large symmetrical anticyclone is parked over the SE portion of Hudson
Bay and thin to moderately dense smoke covers the entire area from
continental Nunavut, N of Quebec (to Labrador boarder and as far south
as the southern tip of James Bay), Ontario and NE Manitoba.  Density is
highest along the periphery particularly over Manitoba/NW Hudson Bay, ie
closer to the source fires in NW Territories, N Alberta and N Saskatchewan
(which have significantly waned in intensity and coverage due to the
significant change in weather pattern).   The smoke will continue to
move around the anticyclone but overall the anticyclone is stagnant in
its location.
A very small piece of thin smoke can be seen early in the NW jet across
the far S St. Lawrence seaway into N ME across Nova Scotia to an area
of bit higher but still thin density smoke along the base of the low
over Cape Race and south.

N Canada:
Remnant smoke likely from transport across the poles a few days/week ago
can be seen moving south across the territorial islands of NW Territories
into the NE NW Territories and extreme NW Nunavut...before mixing with
lower level smoke that has been more recently emitted (at lower volumes)
from the fires that surround Great Slave Lake and Mackenzie River.
The smoke becomes moderately dense to the east of the fires and is
dropping SE toward Lake Athabasca.

California:
Moderate to dense smoke can be seen in the valleys to the west of
the fires in N California... a broad area of thin to moderately dense
smoke can be seen moving east across N California, and the northern 1/3
of Nevada.

British Columbia:
Large fire complexes in central BC continue to produce moderately dense
to dense smoke that is moving SE across the central valley of BC (please
see graphic/gis page at links below).

Gallina

THIS TEXT PRODUCT IS PRIMARILY INTENDED TO DESCRIBE SIGNIFICANT AREAS
OF SMOKE ASSOCIATED WITH ACTIVE FIRES AND SMOKE WHICH HAS BECOME
DETACHED FROM THE FIRES AND DRIFTED SOME DISTANCE AWAY FROM THE SOURCE
FIRE..TYPICALLY OVER THE COURSE OF ONE OR MORE DAYS. AREAS OF BLOWING DUST
ARE ALSO DESCRIBED. USERS ARE ENCOURAGED TO VIEW A GRAPHIC DEPICTION OF
THESE AND OTHER PLUMES WHICH ARE LESS EXTENSIVE AND STILL ATTACHED TO
THE SOURCE FIRE IN VARIOUS GRAPHIC FORMATS ON OUR WEB SITE:

JPEG:   http://www.ospo.noaa.gov/Products/land/hms.html
GIS:    http://www.firedetect.noaa.gov/viewer.htm
KML:    http://www.ssd.noaa.gov/PS/FIRE/kml.html
ANY QUESTIONS OR COMMENTS REGARDING THIS PRODUCT SHOULD BE SENT TO
SSDFireTeam@noaa.gov

 


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.