Images
May 20, 2021 - Fires in Manitoba
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Gray smoke billowed from several dozen fires burning in southern Manitoba, Canada in mid-May 2021. The Moderate Resolution Imaging Spectroradiometer (MODIS) on board NASA’s Aqua satellite acquired a true-color image of the blazes on May 18.
Each red “hot spot” marks an area where the thermal bands on the instrument detected temperatures higher than background. When combined with typical smoke, as in this image, such hot spots are diagnostic for actively burning fire.
With temperatures hovering above 20˚C (68˚F), relative humidity lower than twenty percent, and winds gusting up to 31 mph (50 km/h), conditions were perfect for fire spread: hot, dry, and windy. A map of fire activity published FireSmoke Canada on May 18 showed heavy smoke billowing northward from 17 fires in Manitoba, most covering Lakes Winnipegosis and Lake Winnipeg and surrounding countryside.
Image Facts
Satellite:
Aqua
Date Acquired: 5/18/2021
Resolutions:
1km (74.8 KB), 500m (264.2 KB), 250m (815.6 KB)
Bands Used: 1,4,3
Image Credit:
MODIS Land Rapid Response Team, NASA GSFC
Gray smoke billowed from several dozen fires burning in southern Manitoba, Canada in mid-May 2021. The Moderate Resolution Imaging Spectroradiometer (MODIS) on board NASA’s Aqua satellite acquired a true-color image of the blazes on May 18.
Each red “hot spot” marks an area where the thermal bands on the instrument detected temperatures higher than background. When combined with typical smoke, as in this image, such hot spots are diagnostic for actively burning fire.
With temperatures hovering above 20˚C (68˚F), relative humidity lower than twenty percent, and winds gusting up to 31 mph (50 km/h), conditions were perfect for fire spread: hot, dry, and windy. A map of fire activity published FireSmoke Canada on May 18 showed heavy smoke billowing northward from 17 fires in Manitoba, most covering Lakes Winnipegosis and Lake Winnipeg and surrounding countryside.
Image Facts
Satellite:
Aqua
Date Acquired: 5/18/2021
Resolutions:
1km (74.8 KB), 500m (264.2 KB), 250m (815.6 KB)
Bands Used: 1,4,3
Image Credit:
MODIS Land Rapid Response Team, NASA GSFC
