The tropical moisture plume will re-establish across Southern Louisiana this week as two areas of weak low pressure will be players in Acadiana’s weather. The front burner system is a weak (1010mb) low just south of Atchafalaya Bay which is expected to drift northwestward through Wednesday. Although this system is not truly tropical in nature nor is it expected to strengthen much, it will be responsible for enhancing Acadiana’s rain chances (daytime and night-time) for Tuesday and Wednesday.
Locally heavy rainfall will be possible as this system will open the door to deep tropical moisture through mid-week.
A secondary system in the Northwestern Caribbean is associated with a broad area of surface low pressure with deep disorganized tropical showers and storms. This feature will push in the central Gulf of Mexico by mid-week and should help to provide another day of enhanced showers and storms for Acadiana Thursday.
The bottom line is that this week will be another wetter and cloudier than normal one…at least this will keep our high temperatures closer to the mid-upper 80s. Few storms and hotter temperatures should return for the weekend.