Click HERE for an update concerning the severe weather threat today and tonight.
Changes from the previous update:
- A Tornado Watch has been issued for SE LA areas
- Timing has been adjusted slightly but remains similar to what we have said all-day
- Otherwise, no major changes!
Overview:
WHAT: ENHANCED RISK to MODERATE RISK of Severe Weather
WHEN: This afternoon into the nighttime hours
WHERE: All of Southeast Louisiana and southern Mississippi, with the greatest threat being north of I-10/I-12 corridor.
CONFIDENCE: Confidence continues to increase that severe weather will occur. Confidence is also increasing that damaging winds with a line of storms will be the main threat. There is a threat for both embedded tornadoes within the line as well as strong (EF2+) tornadoes.
Impacts:
The main threats associated with any severe storms will be:
Damaging Winds:
- Wind gusts greater than 70 mph will be possible
- Trees and powerlines could be damaged and lead to isolated/scattered power outages
Tornadoes:
- Tornadoes will be possible, and a few could be strong and/or long track
Rainfall:
- In addition to the severe weather threat, rainfall of 1 to 1.5 inches is forecast with locally higher amounts possible.
- This rainfall could lead to ponding of water in low-lying areas and areas of poor drainage.
Other Hazards:
-Sustained winds of 30-45mph with gusts of 55+mph will be expected outside of thunderstorms today and tonight
-A High Wind Warning is in effect for coastal LA areas until 9 PM today
-These winds could knock out powerlines or damage trees before the system moves through tomorrow night
-These winds will subside by 8 AM Thursday for most areas, and by 10 AM for coastal LA areas
The attached briefing highlights the threats associated with this system.
