ABC13 Weather Watch: Severe risk upgraded for Houston late Saturday

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HOUSTON, Texas (KTRK) — An ABC13 Weather Watch is in effect today as a squall line could produce severe weather this evening. Isolated severe storms capable of producing tornadoes are possible in the late afternoon, then minor street flooding and isolated power outages are possible Saturday evening when the main squall line blows some gust winds through parts of Houston and Southeast Texas.

What should we expect with the storm system arriving later today?

Rain chances will vary throughout the day, but are generally lower in the morning and highest in the evening. A passing shower is possible at any time during the day, especially in the afternoon, but the squall line of thunderstorms will likely hold off until the late evening hours. New data indicates during the 3PM-7PM window, some of the showers forming ahead of the main squall could blossom into rotating thunderstorms capable of producing tornadoes. After that, we’ll have to monitor the main line of thunderstorms for gusty winds, heavy rain, and lightning as they blow through in the evening hours. We expect the squall line to impact Houston between 8PM and 9PM and reach Galveston sometime in the 9PM-11PM window.

What’s the expected impact for the Knights of Momus Grand Night Parade in Galveston Saturday?

Sea fog and showers are possible during the parade, and while we cannot rule out thunderstorms, the current timing favors any thunderstorm activity to hold off until late in the night for Galveston after the parade ends. Either way, have an umbrella or rain poncho on hand just in case!

How does Sunday look?

A lot better than Saturday! We’ll have northerly winds bringing in drier air, with high temperatures in the low 70s and partly cloudy skies.

Could we get another freeze this season?

Sure, but we likely have to wait until near the end of February or beginning of March for our next chance of freezing weather if it were to occur. On average, Houston’s last freeze occurs around Valentine’s Day.

13 ALERT RADAR MAPS:
Southeast Texas
Houston
Harris County
Galveston County
Montgomery/Walker/San Jacinto/Polk/Grimes Counties
Fort Bend/Wharton/Colorado Counties
Brazoria/Matagorda Counties

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This story comes from our news partner ABC13 Houston.

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