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Severe Thunderstorm and Tropical Storm Bertha Impacts

Numerous severe thunderstorms are expected across a broad region from the Ohio Valley to the Mid-Atlantic and Northeast States today into tonight. Swaths of damaging wind gusts are expected and some tornadoes are possible. Bertha is expected to bring tropical storm conditions to portions of the Gulf Coast from the Florida Panhandle westward to southeastern Louisiana later today and Wednesday. Read More >

Overview

On October 24, 2019, a strong closed 500mb low pushed across the Texas and Oklahoma Panhandles while a surface cold front provided a surge of cold air across the area. Lift along the surface boundary paired with the mid-level moisture allowed precipitation to form in the far northwestern Panhandles as early as 1AM Thursday morning on October 24, 2019. However, the main event was the banding that occurred across the central Panhandles from southwest to northeast. Enhanced lifting from the surface, interacting with the upper level system and very cold temperatures brought multiple heavy bands of snow along with thundersnow to the Panhandles. By 9 AM, the first sign of snow in the southwest Texas Panhandle appeared on radar reflectivity and this led to hours and hours of snowfall before ending the heavy banding around 2 AM Friday morning October 25, 2019. Lingering snow flurries continued in the far eastern Texas Panhandle through midday Friday. Snowfall amounts ranged from 1” in Boise City, Oklahoma as well as Cactus and Howardwick, Texas to 11” in Booker and Miami, Texas. A tricky aspect to this event were the strong winds of 25 to 35 mph with gusts up to 40 mph across the area, which made snowfall measurements very difficult due to blowing snow causing drifts of a foot or more in localized areas.

 

 

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