The shower and thunderstorms chances continue today with best chances across the higher terrain and then drifting into some of the Valley locations. I expect highs to be in the lower to mid 90s. I do expect the trend of afternoon thunderstorms to exist through this week into the weekend. It does look like temperatures will increase into the upper 90s this weekend as the ridge moves east again into East Tennessee. These higher temperatures coupled with dewpoints in the upper 60s to lower 70s will make for a hot and sticky weekend. Models have indicated a trough digging south into the area early next week which could lower the temperatures a bit and give way to better chances of showers and thunderstorms. I will monitor to forecasts and hope for some changes to the heat. Remember to stay safe for the 4th and watch out for showers and thunderstorms to develop with little warning.
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| NCEP 06Z GFS 500mb Heights and Vorticity Forecast for Saturday 7/7/2012 and Monday 7/9/2012 at 21Z/5 PM EDT |
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