Temperature- 42 degrees Fahrenheit
Wind Direction- ESE
Wind Speed- 7 mph
Barometric Pressure- 1030.19 g/kg
Cloud Cover- overcast
Over the past week and a half I have spent about 30 hours driving and made it all the way to Chattanooga, TN and back to Eau Claire. Believe me I would've probably never come back if it hadn't down-poured the last day I was there. Seeing as you can't climb very well when the rock is wet, I am back and ready to keep you posted on the weather patterns in Eau Claire.
Today has been much cooler than temperatures Eau Claire has experienced the last two days. In fact I have heard a lot of complaining about the cold today from my roommates. As you can see on the 300mb map above the continental polar air mass is dipping down into Wisconsin, this is something we haven't seen in Eau Claire for quite awhile. In affect this is what is causing colder temperatures than recent temperatures. I know what your thinking, your probably thinking I'm nuts because wind direction is currently ESE.
I agree with you the surface wind direction is ESE, the 500mb wind direction is NW. So what is causing the difference in wind direction? Well if you direct your attention the map below you can see that we are currently under the influence of a high pressure system.
A high pressure system moves in counter clockwise direction. This is what is causing ESE wind direction despite the NW wind direction of the jetstream. So what are we in store for late tonight and tomorrow? Well I expect the low pressure system to the west of Wisconsin is going to move east and push the high pressure system out of our vicinity. This will result in overcast skies, warmer weather, and the possibility of some spring showers.
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