Currently Alert in Houston- March 22nd, 2022


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The weather, currently.
Dangerous severe thunderstorm outbreak expected overnight
Dangerous severe thunderstorm outbreak expected overnight
A powerful early spring storm system sets the stage for a significant severe weather outbreak across the eastern half of Texas this afternoon and into Tuesday morning. The Storm Prediction Center has placed all of Southeast Texas into three tiers of severe weather risks today and tonight:
  • Level 4 out of 5 (Moderate Risk) for places northwest of Houston including Bryan, College Station, Temple, Austin, and Waco)
  • Level 3 out of 5 (Enhanced Risk) including Houston, Columbus, Livingston, San Antonio, and DFW
  • Level 2 out of 5 (Slight Risk) for coastal regions, including Beaumont, Port Arthur, Galveston, Freeport, and Palacios.
All modes of severe weather are likely with this outbreak: multiple tornadoes (some of which could be strong), damaging winds, large hail, and localized flash flooding. The Weather Prediction Center has much of southeast Texas under a level 2 or 3 (out of 4) risk for flash flooding tonight.
We are tracking multiple rounds of storms:
  • The first round this afternoon - well east of the dryline - is not expected to be severe. We only expect these storms will produce locally heavy downpours.
  • A second round of storms will form out west along the I-35 corridor around rush hour in the vicinity of the advancing dryline. Several models have indicated these storms will rapidly become severe, becoming supercells capable of producing very large hail and tornadoes anywhere from San Antonio to Austin to Waco to DFW. These will advance eastward into Southeast Texas later in the evening before fizzling out.
  • The third round of storms is most concerning for the Houston metro. Late this evening, a broken line of storms with embedded rotating discrete supercells will develop west of town. These will slowly advance eastward overnight into the metro area. These storms will be capable of producing several tornadoes (a couple which may be strong), damaging winds, large hail, and flash flooding.
Overnight tornadoes are especially dangerous given that most people are asleep and their loss of visibility overnight.
The storm threat will end Tuesday morning with the passage of the cold front/dryline combination.
Now is the time to make preparations:
  • Review your personal Tornado Safety Plans
  • Have at least 2 to 3 reliable sources of accessing instantaneous severe weather alerts (television, radio, weather radio, mobile phone)
  • Charge mobile devices and batteries
  • Have a “go bag” packed with essentials (medicine, clothing, documents, snacks, toiletries)
  • Identify safest structures to seek shelter in the event of a tornado (interior lowest level bathroom, storm shelter, basement)
  • Protect your head from debris. Have helmets handy.
  • View additional preparation tips here.
That's it! Be sure to follow Currently on Twitter:
Advice from a recent survey of disaster survivors by @publicintegrity: 1) Be aware, 2) Seek support, 3) Offer help, 4) Take action, and 5) Prepare for next time.

@Currently helps people do all five of these, in community with each other.
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