JACKSONVILLE, Fla. — With tropical systems we often talk about the impacts of wind shear. Enough of it and a storm can be ripped apart and weaken blowing the top away from the low portion of a storm.

Tropical Storm Francine's path toward the Louisiana coast will bring it over warm Gulf of Mexico waters, typically a key factor for turning a modest storm into a powerful hurricane. But another factor ...

Wind shear is defined as the change in wind speed, wind direction, or both, over some distance. You may have heard airplane pilots talk about turbulence and warn passengers that they’re in for a bumpy ...