Parts of San Antonio are at an 'enhanced' risk for severe weather this evening

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The Monday, March 21 morning showers should taper off by noon, but that doesn’t mean San Antonio will have a quiet evening, according to the National Weather Service. Another line of storms could affect the area during rush hour. 

Nick Hampshire, a forecaster with the NWS office covering San Antonio and Austin, says the threat for stronger activity, with risks like tornadoes and hail, is expected from 3 to 6 p.m. 

“There will be some strong storms around and they’ll be kind of scattered,” he says. “Everyone has a chance at it.”

To visualize the scattered storms, the local office shared a High-Resolution Rapid Refresh (HRRR) model on social media. It shows the line of severe weather impacting areas north of San Antonio proper like San Marcos, past Austin, into Killeen, and beyond. Though the storm looks to be out of San Antonio’s way in the model, NWS says the city could still be affected.

“This is a single model run of simulated radar from the HRRR. Just because it shows storms north of San Antonio DOES NOT MEAN San Antonio is in the clear,” the post says. “Other models have storms moving through and well south of San Antonio.”

Another NWS-released visual shows counties from Del Rio to La Grange under a spectrum of risks from “thunder” to “enhanced.” Most of San Antonio is considered to be at a “slight risk,” but eastern parts of Bexar County are at the “enhanced” level. Flash flooding is not expected. Primary threats are hail, but damaging winds and tornadoes are also possible. 

Skies are expected to clear by Tuesday, March 22, according to the NWS forecast. 


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