Image Showcase

DayLandCloud and Fire

It’s fire season, and that means its time for fire detection. This image is a DayLandCloudFire RGB of the Hog Butte fire, overlaid with heat points.  The red underneath the cyan clouds is the fire and burned ground below. Notice that there are far fewer points than might be expected! Clouds can be a problem with heat

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Where is the Coldest Air?

Yesterday morning had fairly clear skies over the Yukon and Southeast Interior Alaska, which allowed longwave IR (~11 um) energy from the surface to be emitted at nearly that of a blackbody. Brightness temperatures showed up as close to the actual temperatures, though typically brightness temperatures tend to be slightly colder than actual. The image

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