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Tornado Threat Continues In SW Alabama, But Diminishing Enough To Allow Watch To Expire

| October 25, 2019 @ 8:19 pm

The latest from the Storm Prediction Center:

The severe weather threat for Tornado Watch 684 continues.

SUMMARY
An isolated tornado threat will continue across parts of southern Mississippi and southwestern Alabama over the next couple of hours. However, the threat should become marginal enough to let Tornado Watch 684 expire at 9:00 pm. A local extension in area and time may be needed to cover areas that continue to have a tornado threat after 9:00 pm.

DISCUSSION
The latest radar imagery shows a band of thunderstorms from far southern Mississippi extending northeastward into western Alabama. Several discrete cells are still ongoing along the eastern edge of the rain band across the northern part of WW 684. These cells are located along the northern edge of the stronger instability. In addition, the Mobile WSR-88D VWP shows some directional shear in the lowest 1 km AGL with 0-1 km shear near 30 kt. This should be enough to continue an isolated tornado threat this evening. However, the discrete cells currently about 50 statute miles to the north of Mobile, should continue to move northward away from the stronger instability late this evening. For this reason, the tornado threat is expected to become more marginal with time and the tornado watch will be allowed to expire at 02Z. The tornado threat may redevelop later tonight as additional discrete cells approach the coast associated with Tropical Storm Olga.

Category: ALL POSTS, Severe Weather

About the Author ()

Scott Martin is a meteorologist, graphic artist, musician, husband, and a father. Scott is a member of the National Weather Association and the Central Alabama Chapter of the National Weather Association. Scott is also the co-founder of Racecast Weather, which provides accurate forecasts for many racing series across the USA.

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