The Sunday forecast is playing out as expected with several heavy down pours moving quickly by most areas and plenty of dry breaks. We saw a number of areas with blue sky and sunshine breaking through. Temperatures remain warm in the 80s with breaks, 70s with the rain cooled air.
Monday we can expect a similar set up with slightly less coverage. That means temperatures would be a degree or two warmer. The high pressure that has allowed moisture to circulate around and fuel showers over the weekend will begin to expand west. Subsidence will account for the limited rain coverage. The persistent southeasterly wind is prompting coastal flood advisories for eastern facing shores where locations outside hurricane protection levees where tides will be one to two feet above normal.
The National Hurricane Center is investigating a disturbance near the Yucatan. The system is poorly defined, but will see an opportunity for development over the next couple of days. The NHC gives it a 70% chance for development. It is expected to circulate around the upper high and move into the Texas Coast. Should the system stay weaker some of the moisture has an opportunity to drift more east increasing our rain chance across southeast Louisiana starting Tuesday.
Meteorologist Nicondra Norwood
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