The featured map displays the combination of morning low temperatures and infrared satellite imagery for this past Thursday morning. The white areas on the map represent the presence of clouds and the warmest low temperatures you can find on the map are underneath these clouds. Clouds play a critical role in the radiation balance by absorbing long wave radiation emitted by the surface and then re-emitting it back toward the ground. This process helps keep air temperatures warmer versus nearby areas without clouds.

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Tags:   clouds