While New Years Day was pleasant throughout the Tennessee Valley, the first week will be a different story. The Weather Authority is closely monitoring the possibility of strong to severe storms developing along and ahead of a cold front.
While a few showers or isolated thunderstorms are possible late Monday, the greatest threat of activity will arrive on Tuesday. Showers and storms will begin to track into northwest Alabama during the morning. We will monitor the potential for discrete cells that may develop upstream of the mainline. If that were to happen, these storms would have the best chance of showing signs of rotation.
Ahead of the first threat of severe weather in the new year, the Storm Prediction Center highlighted our entire region as a “mild risk” (level 2 out of 5) for the development of severe to severe storms. Although we are highlighted in this risk, there are indications that further south the environment is favorable for the strongest storms.
Along with the storm threat, we have the potential to see excessive precipitation. The weather forecast center has the majority of our area under “marginal risk”. With a saturated environment in place, localized flooding will be possible.
What to know about outdoor warning sirens
The main storm threats we may see from storms developing in our area will be damaging winds and locally heavy rain. Rainfall totals in the region will range from one to two inches; this could lead to puddles on roads and isolated flash floods.
Although damaging straight-line winds are the main threat, isolated tornadoes cannot be ruled out. These would be more likely to form in discrete rotating cells.
Strong winds apart from storms
Apart from the developing thunderstorms, the winds will be quite strong. A tight pressure gradient associated with the approaching front will lead to strong winds for us here on the surface! Wind gusts outside of storms can reach 35 to 40 mph.
With saturated soil, after rains some weak trees may fall. The wind can also cause sporadic power outages.
It is important to have multiple ways to receive weather alerts when they are issued. One way to do this is to download the Live Alert 19 app. The Weather Authority will continue to keep up to date with the latest news!
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