I was shocked last April when I saw footage on social media of someone taking a leisurely swim in floodwaters in ... the Fort Lauderdale metro area experienced more than 20 inches of rainfall ...

On Saturday, rangers put up new signs. "I requested them in Spanish as well," Quintero said. Flash Flood Area, they say.

A crew of rescuers was carrying a dehydrated woman down the trail from Seven Falls Saturday and had just crossed the stream when Shelley Littin noticed a bad sign ... flood warning for the area ...