Coldest Air Since Last Winter Ahead

Posted on: 4:12 am, November 11, 2013, by , updated on: 04:47am, November 11, 2013

Enjoy this afternoon, because an arctic airmass is on the way. Here is the bigger view valid Tuesday evening. Look at northern part of the United States. That is very cold air moves southeast and will impact our forecast Tuesday. Highs won’t get out of the 40s for some and overnight lows dip into the middle 20s Wednesday and Thursday mornings. The blue and pink indicate very cold air!

500MBTemps2

Here is the temperature trend over the next five days. I am forecasting 26° Wednesday morning and 25° Thursday morning. This will be the coldest air since last winter in the Tennessee Valley. We got down to 27° multiple times in the mid-March and the coldest temperature since February 17 when get got down to 21°. Bring in all tender vegetation and the pets this week. It might be a good idea to wrap exposed pipes before you go to bed Tuesday night. The average low is 43°.

628_Trend

Now there has been a buzz across the area about snow in the forecast. The chances of snow in the Tennessee Valley are very, very slim. Expect a few light rain showers as the cold front passes by Tuesday. As the moisture exits, there could be a few flakes in the higher elevations of northeast Alabama and Franklin County, Tennessee. If you are in Valley Head, Henagar, Stevenson, Bridgeport, Winchester, or Sewanee, don’t be surprised to see a few flakes. No accumulation! Here is our computer model for Tuesday morning showing a few showers.

model

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