Haboob Near Phoenix, Arizona - EPOD
A giant haboob ready to engulf Gilbert, Arizona.Haboobs are walls of dust that typically form from the outflow produced by strong thunderstorms in semiarid and arid regions of the world.Winds can whip to 60 mph in these events and visibility may drop to zero,leaving huge areas cloaked in dust,sand and mud after the haboob passes.In the southwestern U.S.,haboobs have a propensity to occur during the summer months sometimes in association with monsoon thunderstorms.Photo by: S Lehtonen
Bradshaw, NE tornado
Bradshaw, NE tornado | Flickr - Photo Sharing! This large photogenic tornado near the town of Bradshaw, NE to the west of York. IThe photographer was able to capture the tornado from the minute the funnel started to form until it roped out almost 20 minutes and several miles later. Luckily, this twister missed the town of Bradshaw by about a quarter mile or so.
National Geographic Readers Choice Award for October 2011. "When I left Santa Fe," says Gravelle, 46, a part-time storm chaser vacationing in New Mexico, "I was sure there'd be a tornado near Springfield, Colorado." He was right. This twister "stayed in the open country, away from people or buildings, rotating at 120 mph but only moving at 5 mph." ©Ron Gravelle