According to the National Weather Service, a bolt from the blue is a cloud to ground lightning strike which appears to come out of a clear sky, hence the name.

A "bolt from the blue" struck 20 people at a Columbia, South Carolina beach on Tuesday, where first responders told FOX Weather that skies were clear at the time of the strike. However, the NWS office ...

According to the National Weather Service, a "bolt from the blue" is a cloud-to-ground lightning strike that appears to come out of a clear sky, hence the name.

A "bolt from the blue" struck 20 people at a Columbia, South Carolina beach on Tuesday, where first responders told FOX Weather that skies were clear at the time of the strike.

The idiom "out of the blue," used to describe something unexpected, is derived from a potentially deadly weather phenomenon — a "bolt from the blue." According to the National Weather Service, a "bolt ...

The phrase “out of the blue,” which signifies something unexpected, is derived from a perilous weather event known as a “bolt from the blue.” This phenomenon, as described by the National Weather ...

Piwnicki, after striking out Matt Hanna in the bottom of the fifth to retire the side, was joined by his Blue Hawk teammates who quickly stormed the field and celebrated a 12-1, five-inning mercy ...