Wednesday, July 20, 2016

DESCRIPTIVE TEXT NARRATIVE FOR SMOKE/DUST OBSERVED IN SATELLITE IMAGERY
THROUGH 0500Z July 21, 2016

SMOKE:
Canada/Great Lakes Region/Northeast:
A very large mass of light to moderate density smoke was seen over much
of eastern Canada, the Canadian Maritimes,the eastern Great Lakes, the
New England region, and parts of the Mid-Atlantic as well as off the
coast of the Canadian province of Labrador. This remnant smoke is from
wildfires that were burning in northwest Canada and Alaska over the past
week that has been dragged south into the upper level trough over eastern
Canada. Due to cloud coverage, the full extent of smoke is obscured.
Further west...additional patches of thin smoke are seen this evening
over portions of the Northwest Territories, Alberta, and Saskatchewan
between areas of thick cloud cover. Again this is remnant smoke from
northwest Canadian fires from the past week. A few actively burning and
smoke producing fires were able to be analyzed in northern Saskatchewan.

North Central US:
An area of light density smoke leftover from the ongoing wildfires over
portions of the Western US and in particular from the Cliff Creek Fire
in western Wyoming was visible stretching across South Dakota, southern
Minnesota, and western Wisconsin.

Alaska:
Cloudiness significantly limited fire and smoke detection from satellite
imagery today. Light density smoke continued to be visible moving to
the south over the Gulf of Alaska from a handful of fires in the Kenai
Peninsula and another wildfire in the southeast corner of the state.

DUST:
Gulf of Mexico/Caribbean Sea/Puerto Rico:
An area of Saharan dust could wherever cloud free skies were present
moving west over the central/eastern Caribbean Sea. Another area
of Saharan dust was seen traveling over Puerto Rico and moving more
west-northwest towards the Bahamas. In addition, another wave of Saharan
dust was present over the southern Gulf of Mexico and the Bay of Campeche.

Great Plains/Midwest/Western Great Lakes/South Central Canada:
An area of possibly mixed Saharan/Southwest US dust was seen spanning
from north/northwest Texas northward across the Central and Northern
Plains states as well as the Midwest stretching even further northeast
then across much of Lakes Michigan/Superior and over far southern
Manitoba/Ontario. A small amount of remnant smoke from western US
wildfires may be mixed in over parts of the Dakotas, Minnesota, and
Wisconsin.

UNKNOWN AEROSOL:
Ohio Valley/Mid-Atlantic:
An unknown aerosol is seen this evening stretching from the Ohio Valley
southeast across West Virginia/Virginia/Maryland and Delaware extending
over Atlantic waters south of Long Island and mixing with the larger
area of remnant smoke. While the origin of this aerosol is unknown,
aerosol models point to this being mostly sulfates.

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.