Category Archives: Thunderstorms

Double Vortex Tornado in Riverside California

Note the vertical vortex coming from the base of the thunderstorm along with the second larger vortex in what is called the “rope” phase.

A tornado touched down in Riverside on Thursday May 22nd, 2008. The National Weather Service said at 4:38 p.m. Thursday that Doppler radar was tracking a tornado moving south near Moreno Valley in Riverside County. It was all part a an intense late spring weather system which lashed Southern California on Thursday with fierce thunderstorms that unleashed mudslides in wildfire-scarred canyons, spawned this tornado and dusted mountains and even low-lying communities with snow and hail. (photo from The Associated Press)

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Approaching Thunderstorm

Thunderstorm

This picture was taken of an approaching thunderstorm. It looked like a cottonsky! The clouds are cumulonimbus mammatus which often accompany violent thunderstorms.
Location: Sun City, Arizona. Date: September, 2002
Photographer: Greg Banfield aka Motoman