LIghtning above Cathedral Rock, Sedona, AZ.

Lightning above Cathedral Rock, Arizona.

Lightning above Cathedral Rock, Arizona.

Lightning over Grand Canyon, Arizona.

Lightning over Grand Canyon, Arizona.

Lightning over the Florida Keys.

Lightning over southwest Nebraska.

Lightning over eastern Colorado.

Lightning over eastern Colorado.

Lightning over eastern Colorado.

Lightning at the Grand Canyon.

Lightning over northern Arizona.

Lightning over northern Arizona.

Lightning over northern Arizona.

Lightning over northern Arizona.

Lightning over northern Arizona.

Lightning over northern Arizona.

Lightning over northern Arizona.