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Originally Posted by Merrymeeting
Most surprising to me is that the open areas are skimmed over with a new layer of ¼” ice this morning, despite temps now in the 50’s and no lower than 38 last night. With water temps 38-39, can any of the weather experts explain how this can happen?
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Merrymeeting,
In Laconia, the tempature was below 32F for several hours last night. I would expect that same was true at Merrymeeting.
With the wind down and the dew point low, radiational cooling has a huge impact and right at the ground or lake level, it can be colder than at say 10' or 20' above the ground or lake. The cold air seeps to the lowest possible level. The only way 38F water can freeze is for the air around it to be below freezing.
R2B