Denver060510-D90R(50)

Rare cloud-to-air lighting emerging from cloud. Denver, Colorado 06/05/10

Nebraska-Gurley060610-D700(14)

Shelf Cloud. Gurley, Nebraska 06/06/10

RDL082610-S90(10)

Mature Thunderstorm complex. Rancho Santa Fe, CA. 08/26/10

Nebraska-Scottsbluff060710-D700(159)

Tornado warned Supercell Thunderstorm. Scottsbluff, Nebraska 06/07/10

Denver060510-D90(129)

In Cloud Lightning. Denver, Colorado 06/05/10

Nebraska-Broadwater060910-S90(64)

Supercell Thunderstorm. Broadwater, Nebraska 06/09/10

Colorado-Fort Morgan-061010-D90(244)

Lightning. Fort Morgan, Colorado 06/10/10

Colorado-LastChance-061010-D700(86)

Tornado #1 of the day. Last Chance, Colorado 06/10/10

Wyoming-Burns060610-D700(3)

Rotating Supercell Thunderstorm. Burns, Wyoming 06/06/10

Alpine071510-D90(47)

Lightning. Alpine, CA. 07/15/10

Kansas042910-S90(87)

Supercell Thunderstorm. Washington, Kansas 04/29/10

Kansas-Washington042910B-D700(113)

Close up of funnel about to drop. Washington, Kansas 04/29/10