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Severe Weather

Severe weather has the potential to occur year-round in Houston. Thunderstorms can bring strong winds, tornadoes, hail, lightning and flash flooding.

Weather Definitions

Watch: Conditions are favorable for the development of severe weather. Closely monitor the situation in case conditions worsen

Warning: Severe weather has been observed. Listen closely to instructions provided by emergency officials, weather radios, and other alert mechanisms. Seek shelter immediately

Weather Events


  • Go into an interior room or hallway on lowest floor, if possible
  • Stay away from windows, doors, and outside walls
  • A vehicle or modular building is not good protection. Plan to go quickly into a building with a strong foundation, if possible
  • Stay in the shelter location until "All Clear" has been given


  • Try to seek shelter indoors or under a protective roof if lightning is in the area
  • If stuck outside, avoid pools or standing under tall objects, such as trees