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It is going to be an unsettled week of weather across Middle Tennessee with a chance of showers and thunderstorms every day through Friday. It will be warm and humid with severe storms possible across Tennessee as the atmosphere will be getting more unstable as the week goes along.

Things start looking up for the weekend ahead with less chance for precipitation Saturday, Sunday and Monday.

After looking over all of the data, it continues to look like our temperatures will be above normal every month from May through August with July likely being the hottest month of the summer.

Looking back, on April 29, 1909 the deadliest tornado outbreak ever in Middle Tennessee hit between the evening hours of April 29 into the early morning hours on April 30, killing 62 people. An F4 tornado hit Giles and Lincoln Counties killing 31 people. An F3 tornado struck Hickman and Williamson Counties, killing 17 people, and injuring 43 others. Four people were killed by an F3 tornado east of Clarksville.

During tornado season, you hear the TORCON Index mentioned a lot. TORCON stands for Tornado Condition Index which indicates the percentage chance of a tornado striking within 50 miles of a specific location.

So as an example, if you hear that we have a TORCON of 5 in this area that would mean a 50 percent chance of a tornado striking within 50 miles of here. Generally, anything from a 4 up is worrisome, but when you reach a level of 6 or above, you know you are in the danger zone.

Feel free to drop me an email anytime if you are a weather geek like me, and we can talk about meteorology, my email is weather1@charter.net

If you have any weather-related questions, you can also drop me an e-mail and I will attempt to find an answer. Also, if you are taking a vacation and need a forecast for your destination, my email is weather1@charter.net.

Would you like weather information specific to your community? I have data that goes back to the late 1800s. Drop me an email anytime to weather1@charter.net.

Steve Norris provides information to Emergency Management Agencies in many counties in Tennessee. Contact him at weather1@charter.net with questions, to provide a weather update for your area or to suggest topics for his column.

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