Wednesday, May 25, 2016

DESCRIPTIVE TEXT NARRATIVE FOR SMOKE/DUST OBSERVED IN SATELLITE IMAGERY
THROUGH 0400Z May 26, 2016

Central Canada/Northwest US:
The Fort McMurray fires continues to emit large amounts of moderately
dense to dense smoke which is moving to the east and southeast. Thin
to moderately dense smoke from these ongoing wildfires stretches from
Alberta southward into northern Montana and eastward across central
Canada to the southwest edge of Hudson Bay.

Northeast US/North Atlantic/Nova Scotia:
Several areas of mostly thin smoke was located over/off the Northeast
US coast extending westward across New York to Lake Ontario. Additional
smoke was present over Nova Scotia and southeast of there over the
North Atlantic. The origin of this smoke is difficult to ascertain due
to several possible sources including: wildfires in Arizona, the Fort
McMurray wildfires in Canada, and Siberian wildfire smoke that had
wrapped southeast across Canada over the past week.

Bay of Campeche/Western Gulf/Central US:
An extensive area of thin to moderately dense smoke could be seen from
southeast Mexico northward through the western Gulf and then from
north Texas northward to Iowa/Minnesota/Wisconsin. Fires in Central
America/Mexico have contributed to the majority of this smoke with more
recent wildfires in northwest Mexico and Arizona possibly having added
in additional remnant smoke.

Southeast Alaska:
Aerosol present along the southeast Alaskan coast is thought to be
remnant Asian smoke. The smoke was thin to moderately dense and was
moving southward.

Eastern Gulf:
Aerosol moving westward across the Florida Straits and into the Central
Gulf of Mexico is believed to be dust, likely with an origin of the
Sahara Desert in Africa.

West US Coast/Western and Northwestern Canada:
Aerosol that is observed stretching inland across extreme northwest
California, western Oregon, western Washington, southwest to east central
British Columbia, western/northwest Alberta, and the central Northwest
Territories is believed to be elevated Asian dust. This feature was
optically thick especially over the Oregon/Washington/British Columbia
and was starting to mix with some of the Fort McMurray smoke over parts
of Alberta. There may be other smoke from Asia that still exists within
the aerosol mix over far northwest Canada.

Southwest and Central US/North and Northwest Mexico:
An extensive area of elevated dust could be seen stretching inland from
the East Pacific across Baja, the Gulf of California, northwest Mexico,
southeast California, Arizona, western Ne Mexico, southeast Utah, and
Colorado. Some hint of the aerosol could even be seen stretched further
northeast from Colorado across northwest Kansas, Nebraska, South Dakota,
North Dakota, and Minnesota. While the majority of this dust has Asian
origins, it is likely that some additional southwest US/northwest Mexico
dust is being elevated as well. Additionally, a separate area of blowing
sand/dust could be seen just west of El Paso, TX moving east-northeast
across far western Texas. Some very light dust may be present downstream
from this blowing dust event across the Texas Panhandle.

-Sheffler

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.