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Heavy showers and thunderstorms are forming repeatedly this evening in steamy tropical air across the Charlotte metro region, raising the possibility of flooding problems.
More than 2 1/2 inches of rain has fallen at Charlotte/Douglas International Airport in the last 36 hours, and even more rainfall is on the way.
At 8 p.m., the National Weather Service in Columbia has issued a flood advisory for eastern Lancaster County. And the Weather Service's office in Greer, S.C., has issued a special advisory for a heavy thunderstorm in Chester and York counties.
These storms are moving northward, toward the Charlotte area.
A flood advisory issued earlier for Mecklenburg County has expired. No flooding was reported, but creeks and streams are running near bankful in Mecklenburg and nearby counties.
Forecasters say the stream of unstable, tropical air being pushed into the Carolinas from the Caribbean Sea and Gulf of Mexico will continue to trigger heavy showers and storms through at least Tuesday night and possibly through Wednesday.
The Lancaster County flood advisory is for the Heath Springs area. Forecasters in Columbia say 2 to 3 inches of rain has fallen there in the last few hours, and another 2 inches are possible in the next hour or two.
In York and Chester counties, a strong storm is expected to affect Chester, McConnells and York before 8:45 p.m. Vivid lightning, heavy rain and small hail is possible in the storm.
Many areas near Charlotte have received 2 inches or more of rain since Sunday afternoon.
The precipitation is forecast to end late tonight but begin again around midday Tuesday.
Very humid conditions are expected to continue, with nighttime lows only in the upper 60s and daytime highs near 80 degrees. Some fog is possible overnight with the high humidity.
