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More of the same with our weather

<B>(Wednesday Evening July 3, 2013)</B>There could be a spotty shower or thunderstorm this evening otherwise it will just be hazy and warm and humid tonight. On the 4th of July look for more of the same. There will be hazy sunshine with scattered showers and thunderstorms still a possibility, especially in the afternoon.
Still no change in the weather pattern expected here in the eastern United States as we head into the start of the big 4th of July holiday weekend as the major weather players have not moved much.  Low pressure in the upper atmosphere remains over the Tennessee Valley with a strong area of high pressure anchored off the East Coast.  The circulation around these two systems (counter-clockwise around low pressure and clockwise around high pressure) is creating a tropical feed of moisture that is working northward up the coast into central New York.

Given the set up over us is not going to change too much over the next couple of days we don’t think there will be too much change our weather.  That means a continuation of the hazy and very warm days with temperatures well into the 80s through Saturday.  There will also be a scattering of mainly afternoon showers and thunderstorms each day, some with heavy rain.

We will finally start to see some subtle changes in the pattern later this weekend into early next week. The stubborn and stalled trough, or low pressure in the middle and upper atmosphere, located over the Tennessee Valley, is forecast by most computer models to move east and over the Northeast in the Sunday-Monday time frame.  This will likely prevent temperatures from reaching 90 degrees.  Additionally, the threat for somewhat more widespread showers and thunderstorms will likely be at least a bit greater. 

Once the trough of low pressure moves through later Monday we will lose our tropical feed of moisture but it will still feel a bit humid at least through the middle of next week. In addition, our temperatures will take a run at 90 degrees again.
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