Here is an update concerning the severe weather and heavy rain threat for Saturday.
Changes from previous update:
- The threat area for severe weather has expanded slightly to the south, with a Slight Risk now covering all of southeast Louisiana. However, the likelihoods of Tornadoes and Large Hail have decreased slightly, as shown in Graphic 1.
- Marginal Risk of Excessive Rainfall leading to Flash Flooding has pulled northward into the farthest north reaches of the Florida Parishes in Louisiana and the southwest counties of Mississippi, as shown in Graphic 2.
Overview:
WHAT: ENHANCED RISK of Severe Weather and MARGINAL RISK of Excessive Rainfall leading to Flash Flooding
WHEN: Mainly the evening and overnight hours Saturday into early Sunday morning
WHERE: All of Southeastern Louisiana and Southern Mississippi, highest threat in Southwest Mississippi.
CONFIDENCE: We have high confidence that there will be thunderstorms across the area on Saturday. We have less confidence in the exact timing and location of these storms and the severity.
Impacts:
The main threats associated with any severe storms will be:
- Damaging Winds: Wind gusts greater than 60 mph are possible.
- Tornadoes: A few tornadoes are possible.
- Hail: Large hail up to 1 inch in diameter will be possible.
- Rainfall: Some heavy rainfall and intense rain rates could lead to minor flood concerns across the area.