Temperature - 43 degrees F
Wind Direction - NE
Wind Speed - 4 mph
Barometric Pressure - 1030.08 g/kg
Cloud Cover - clear
I wasn't lying to you guys yesterday, the weather patterns were indeed boring. Conditions remained very similar today as yesterdays. In today's post there is some important weather I would like to cover.
As you can we again have a high pressure system to the north of Wisconsin centered over Canada. This is what is causing clear conditions and NE winds. These high pressure systems over Canada have caused cooler temperatures than the low pressure systems drawing up warmer air from the south we saw during much of March.
During March the jet-stream was well north of Wisconsin, which allowed for warmer winds to push into the upper Midwest. Remember back to the prior posts when I expressed my concern over the unseasonably warm spring and the affect it would have on early blooming vegetation. Well now that temperatures are cooling down closer to average temperature we could be in serious cold-snap danger.
Tonight temperatures will likely fall beneath 32 degrees F. It is a pretty safe bet this will happen because any heat that was absorbs by the earth's surface will be allowed to escape due to the lack of cloud cover. As you can see on the map above just a very small portion of Wisconsin, west of Eau Claire, is projected to have frost accumulation. Regardless Eau Claire may see frost and if not cold weather could still spell trouble.
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