Have you ever heard long-time locals refer to "the big one" when it comes to flooding? They're talking about the historic deluge of 1990, a weather event so extreme it became the benchmark for every flood that has followed.
So, what happened? It wasn't your typical hurricane story. Instead, the CSRA found itself in the crosshairs of a bizarre and potent weather mashup. Think of it as a "perfect storm" scenario. First, we had the leftover moisture from a distant Hurricane Klaus, which was just hanging out over the Atlantic like a giant sponge full of water. Then, along came Tropical Storm Marco from the Gulf. Marco's circulation acted like an engine, pulling all that rich, tropical moisture from Klaus right into Georgia and South Carolina.
The result was a staggering amount of rain. We're