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SAVANNAH, Ga. () — Scattered passing showers are expected Sunday night through late Monday, we are also tracking coastal flooding each high tide.
Sunday brought a potent round of heavy rain, with a Flash Flood Warning for Chatham County during the middle portion of the day. A quick two to three inches led to street flooding across heavily-populated areas including Savannah and Pooler.
A Coastal Flood Advisory is in effect until 9 PM tonight, with minor flooding and saltwater inundation expected each high tide this week. The moon being at its closest point in orbit coupled with a full moon Tuesday will lead to king tides. Persistent onshore flow will also add additional water rise to the equation.
Passing showers are expected overnight Sunday into Monday, with the highest rain chances early Monday. Flooding from heavy rain is possible again in areas that drain poorly. Drier air works in and some sunshine will pop out by the afternoon as periods of stray passing showers are possible until Tuesday morning.
High pressure briefly dominates midweek, which will lead to mainly dry weather and warmer temperatures. Afternoon high temperatures will reach into the mid and upper 80s, with even a few inland spots flirting with the 90° mark.
A cold front moving into the region will bring some changes by the end of the week. Guidance is not quite as certain on the timing of the front’s passage or how much rainfall comes with it. There will be a 20% chance of showers and storms late Wednesday, with higher storm chances Thursday into Friday. Following the front, strong northeasterly winds build back in which will cut off our rain chances and usher in cooler air.
Tracking the Tropics
The tropical wave we’ve been tracking has now been designated Invest 95-L, which allows for computer models to latch onto it. The disturbance has a 70% chance of developing over the next seven days, with most guidance taking it westward toward the Leeward Islands. Computer models eventually turn it north, well east of the US East Coast.
There is plenty of time to monitor for changes, but there are currently no imminent tropical threats to the Coastal Empire and Lowcountry.