Here's a breakdown of when these weather patterns will impact western Washington.

American Airlines Flight 5342 from Wichita, Kansas, was attempting to land when the plane and a Black Hawk helicopter collided.

At least 28 bodies were pulled from the Potomac River in Washington DC after an American Airlines passenger jet collided with an Army helicopter.

A jet with 60 passengers and four crew members collided with an Army helicopter while approaching Ronald Reagan National ...