What causes windstorms? Windstorms such as Arwen, are caused by gases from high-pressure areas moving to low-pressure areas. The bigger the difference in these pressures, the greater the force of ...

Meteorologist Thomas Patrick explains different types of wind storms and what's most common for Spokane, including a look back at the Nov. 2015 windstorm.

The UK is due to be lashed by regular storms in the coming years, but what causes them as they become more common?