The story of the week has been the heat wave that is going to continue through the weekend. We all know this – and hopefully, precautions are being taken. As a reminder though: limit your time outdoors, drink plenty of water, and stay in air-conditioned rooms as much as possible.
SUMMARY: Severe thunderstorms are possible across portions of our Coverage Zones, focused from I-59 to I-20. Damaging winds and large hail will be the main threat.
DISCUSSION: The warm airmiss will lead to high CAPE values across the region, as seen in the graphics above. There remains a limiting factor as to where and how much development will happen. Given this scenario – at least isolated severe storms will be possible.
...Southeast States... A hot and humid low-level air mass will be present today from the Carolinas southwestward into MS/AL, with widespread temperatures in the 90s and dewpoints in the upper 60s and lower 70s. This will result in MLCAPE values over 2000 J/kg and steep low-level lapse rates throughout the region. The details of the timing and location of convective development is uncertain this morning, but at least isolated thunderstorms are expected throughout the area. Sufficiently strong northeasterly flow aloft will aid in southwestward-propagating clusters capable of strong/damaging wind gusts.