A watch means the ingredients are there for severe weather. A warning means it is happening. But there are differences based on weather type.

COLUMBIA, S.C. (WIS) - Erin is now a post-tropical cyclone as it tracks northeast farther from the East Coast. This is the last advisory for Erin from the National Hurricane Center. Continue to ...

Tropical Storm Fernand continued to weaken Tuesday and is expected to become a post-tropical cyclone soon, the National Hurricane Center said. Fernand is located about 635 ...

This year, the NHC announced it would issue PTC designations 72 hours out, instead of 48 hours. This will give even more prep time for systems that develop close to the coast.