Here is an update concerning the severe weather and flooding rainfall threat Saturday night into Sunday morning:
Overview:
WHAT: SLIGHT RISK to ENHANCED RISK of Severe Weather. SLIGHT RISK of flooding rainfall
WHEN: Saturday night into Sunday morning.
WHERE: All of southeast Louisiana and southern Mississippi. The highest risk is for northwestern areas including the Atchafalaya Basin and metro Baton Rouge where a significant risk of damaging winds exists.
CONFIDENCE: Confidence in the timing and coverage of the threat has increased to MEDIUM. Most likely timing for severe thunderstorms to begin impacting the areas is Saturday evening in northwestern portions of the area. The line will then gradually progress to the east-southeast across the entire area through the morning hours on Sunday.
Impacts: The main threats associated with any severe storms will be:
- Wind gusts greater than 75 mph.
- Winds of this magnitude are capable of downing trees or large tree limbs leading to structural damage, and can also cause damage to weaker structures.
- Large hail of up to 2 inches in diameter will be possible.
- Hail of this size is capable of causing damage to crops and causing injury to people and animals.
- The hail will be accompanied by strong winds, resulting in more damage than usual
- A few tornadoes are possible.
- In addition to the severe weather threat, rainfall of 1 to 2 inches is forecast. There is a low chance of local amounts 3 inches or more, especially for eastern areas (MS Coast and Northshore).
- Runoff will lead to ponding of water in low lying areas and areas of poor drainage.
