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Frost road icing event; Alton bald eagles - January 12
HD VIDEO 1: Frost road icing in Alton, IL
HD VIDEO 2: Bald eagles on the Mississippi River in Alton
I spent all of Saturday night into Sunday morning documenting a rare and dangerous all-frost (non-precipitation) road icing event. These events happen during ideal radiational cooling under clear skies at night, and seem to be related to melting snowfall creating a shallow moist layer of air at the surface. The frost accreted heavily enough on the roads to make conditions treacherous, and many accidents were reported across the Midwest, including at least one fatal crash. I spent the duration of the event in Alton, IL. These photos and the video linked above demonstrate the conditions.
On the way home after sunrise, I stopped down at the icy Mississippi River for a few minutes along the Great River Road to see if there were any bald eagles. I saw 8 in about 10 minutes, including one devouring a fish very close to the road. Here is a short clip.
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