As you can see we are currently pretty much in the center of a high pressure system. This has produced clear skies in the area along with shifting wind directions, although the predominate wind direction is SE at 5 m.p.h. Currently the temperature is 32 degrees Fahrenheit. However we are in for quite the change tomorrow and quite the treat.
I have shown you this type of graphic before but for those of you haven't seen it is a 300 millibar upper air data map. At the 300mb the jet-stream becomes very defined as you can see on the map depicted by the blue area. Notice how the blue is dipping down from Canada, over the Midwest, and sweeping back up through New England. This jet-stream pattern is what is known as Meridional. Although this pattern has caused cold weather today as the current high pressure system passes over the Midwest the jet-stream will move North. When this occurs it will allow for warm moist air from the Gulf of Mexico to move north. Later in the day a low pressure system will move into the the Dakotas and help suck this warm air North. So what does this all mean? Well my fellow Eau Claire residents we are going to have a beautiful sunny day with SE winds and a high of around 60 degrees Fahrenheit!
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