Sorry for the late night post ladies and gentlemen, it has been a hectic day to say the least. I am also sorry for the incorrect prediction for snowfall I made last night, the front that would have brought snow showers moved just to the south of Wisconsin. Let's take a look at the current weather and what we can expect tomorrow morning.
Alright so as you can see there a quite a few different pressure systems at work in the contiguous United States currently, both high and low pressure systems. Notice there are two low pressure systems currently affecting Wisconsin. The pressure system affecting the Southwest region to the Green Bay area has a pressure center located in the Indiana and Ohio. The pressure system that is affecting Eau Claire has a pressure center located in Eastern Canada. By now I am sure you know what this means. Yes that's right the polar continental air-mass. This explains the cloudy skies we have tonight and NW winds of 6mph. Currently the temperature is 32 degrees Fahrenheit, expect this to drop down to 23 degrees Fahrenheit for the low overnight.
So if you have never seen one of these, this is what is known as a skew T plot. Due to lack of time I will post another for tomorrow and explain it more. Essentially what this tells me is atmospheric stability. Currently the LI reading of 10.9 and the KI reading of 2 indicate that the atmosphere is very stable and there is zero chance of a thunderstorm.
Tomorrow there is some possibility for atmospheric instability causing a some snowfall, albeit most likely minimal accumulation. Other than that, we should still be hosting the continental polar air mass and WNW winds along with cloud cover and temperatures similar to today.
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