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Heat Persists in the South Central U.S. and Southwest; Heavy rains in the Desert Southwest and Central Plains

Sweltering heat remains across the South-Central Plains, Lower/Middle Mississippi Valley, and the Southwest this week with limited nighttime relief. Thunderstorms will bring heavy rainfall leading to localized flash flooding in portions of the Desert Southwest and central Plains. Isolated strong to severe thunderstorms are possible across portions of the central Plains into the Northeast. Read More >

Overview

On Jan 3rd, 2019, a compact but vigorous southern stream closed low moved across west Texas and slowed down as it approached the Red River Valley. This allowed plentiful moisture and lift to wrap around the system as it strengthened. Cold air on the backside of the low interacted with increasing moisture to produce a persistent band of snow across the far eastern Texas Panhandle. The heavier snow (6 to 8 inches) fell from Higgins to Canadian to Wheeler to near and west of Wellington. However, areas along and west of Borger to Amarillo stayed high and dry with just a few mid level clouds.

 

Fig 1: Mid-level water vapor imagery from GOES 16 shows the low pressure system as it moves east along the Red River Valley.

 

Fig 2: GOES 16 CIRA Geocolor reveals snow over the eastern Texas Panhandle and western Oklahoma as the sun rises on Jan 4th.

 

 

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