WEDNESDAY: Tropical Storm Debby will be sitting off the South Carolina Coast, and Alabama will be on the backside of the storm. There will also be a high-pressure heat dome over the South Plains. These systems will draw down more dry air over Alabama, keeping the rain away. It will be mostly sunny, not as humid, and very hot. High temperatures will be in the upper 90s to lower 100s. The heat index will be 100-105. This will be the hottest day of the week.
A Heat Advisory is in effect on Wednesday for the western-half of Central Alabama.
On Thursday and Friday, we will continue to feel the impact of the dry air from Debby and the heat dome over the Southern Plains. A dry cold front will move in from the north, but it will not have much of an impact on our weather. Each day will be mostly sunny, hot, and not as humid. Highs will be in the lower to middle 90s.
Weekend Outlook: A stronger dry cold front will move across Alabama on Saturday. We will be mostly sunny, but the humidity will go down significantly. High temperatures will stay in the lower 90s.
Sunday morning will be cooler with lows in the 60s. The afternoon will be hot with low humidity and highs in the lower 90s.
Tracking the Tropics: Tropical Storm Debby will emerge in the Atlantic tonight into Wednesday off the coast of South Carolina. It will not move much on Wednesday and will get a little stronger. Debby will make another landfall between Charleston and Myrtle Beach on Wednesday night. This will spread more flooding rain across SC/NC. Once inland on Thursday, it will pick up speed and track up the I-95 corridor through the weekend with plenty of heavy rain.
There is a tropical wave located near the Windward Islands. Slow development is expected in the next few days. Then conditions are more favorable for development once the system moves into the NW Caribbean and Southern Gulf of Mexico. NHC is giving this system a low chance to develop.
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