Severe Weather Update – January 18, 2023

Published 9:24 am Wednesday, January 18, 2023

Changes from previous update:

  • The threat of severe weather has decreased
  • Wind advisory in effect for the entire area until 4AM CST Thursday

Overview:

WHAT:  MARGINAL RISK of Severe Weather

WHEN: This evening into overnight tonight.

WHERE: All of SW MS and parts of SE LA mainly west of Bogalusa/Laplace/Thibodaux.

CONFIDENCE: We remain confident of strong to marginally severe thunderstorms over portions of SE LA and SW MS Wednesday evening into Wednesday night. Highest confidence of an isolated severe storm forming is over SW MS west of McComb and areas NW of Baton Rouge in SE LA Wednesday evening.

Impacts:

The main threats associated with any severe storms will be:

  • Wind gusts greater than 60 mph will be possible

  • Trees and powerlines could be damaged and lead to isolated/scattered power outages

  • Large hail up to 1 inch in diameter will be possible

  • A couple tornadoes will be possible

  • In addition to the severe weather threat, rainfall of up to 1 inch is forecast with locally higher amounts possible.
  • This rainfall could lead to ponding of water in low lying areas and areas of poor drainage.