A shot of extreme cold air is moving into Florida this weekend and with it comes a rare chance for snow along the Gulf Coast. (FOX Weather)A process similar to lake-effect snow, something called Gulf-effect snow, could produce narrow bands of light snow in this uncommon setup. RARE DEEP FREEZE UNDERWAY IN FLORIDA AS INTENSIFYING BITTER BLAST EXTENDS AS FAR SOUTH AS MIAMIIt's a rare phenomenon, and it's not common in the area. But it's important to note that any snow along Florida's Gulf Coast is rare, especially along the peninsula. Naples, Florida, which could also get flurries, has never recorded measurable snow.