Today's weather outlook: Wednesday (Special weather alert from Ascension OHSEP)
This is an update to the severe weather potential for today.
The Storm Prediction Center has placed a SLIGHT RISK of severe thunderstorms across all of Louisiana and southwest Mississippi. The time of greatest threat will be shortly after sunset east of the Atchafalaya River with the approach of a pre-frontal squall line moving out of western Louisiana during the afternoon hours. The primary threats will be damaging wind gusts (15% chance per SPC), isolated tornadoes (2-5% per SPC) and to a lesser extent, large hail (5% near the Atchafalaya Basin). The severe weather threat will end from west to east with cold frontal passage overnight to about the Pearl River. A lesser severe weather threat may carry over into the Mississippi coastal counties early Thursday morning along the front.
Indications are still pointing towards another severe thunderstorm potential mainly Saturday morning into the early afternoon hours. This episode will be the result of an area of low pressure developing in the west Gulf of Mexico Friday and moving across the lower southeast Louisiana parishes and coastal Mississippi Saturday morning. Once again, the primary threat will be damaging wind gusts, but the risk for tornadoes may be higher than the Wednesday expectation, particularly near the coast.