Severe Weather Update – May 11

Published 8:25 am Thursday, May 11, 2023

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Overview:

WHAT: SLIGHT RISK of Heavy Rain and MARGINAL RISK of Severe Weather
WHEN:  This afternoon and evening.
WHERE:  All of SE LA and S MS, especially north of I-10 for heavy rainfall.
CONFIDENCE:

  • We are confident that there will be thunderstorms across the area and that a few will produce heavy rainfall.  We are less confident in exactly where the greatest threat will be and if any storm will be severe.

Impacts:

The main threats associated with any severe storms will be:

Damaging Winds:

  • Wind gusts greater than 60 mph will be possible

Large Hail:

  • Large hail up to1 inch in diameter will be possible

Rainfall

  • In addition to the severe weather threat, rainfall of 1 to 2 inches is forecast with locally higher amounts possible.
  • Rainfall rates of 1-3″ per hour are possible
  • This rainfall could lead to ponding of water in low lying areas and areas of poor drainage.