It started as a low, haunting roar building in the distance. It grew into a deafening thunder that drowned out all else. The sky turned an unnatural shade of green, then black. The wind lashed at ...

SIOUX CITY (KTIV) - This episode is about tornadoes. We will use dry ice and a fan to model tornado formation. A tornado is formed similarly in real life with a few small differences. Slower surface ...

Add Yahoo as a preferred source to see more of our stories on Google. WICHITA, Kan. (KSNW) – Tornadoes have been studied for decades, yet there is still so much we do not know about them. Now, the ...