Onlookers film tornado in field

Fire forces elderly evacuations in Sylmar; ash blows in on overnight winds

Large violent tornadoes spotted tearing through Oklahoma and Missouri

Large tornado swirls over open field

Stunning footage of tornado touching down

Spectacular footage of twister as it touches down in field

Large wedge tornado swirls ominously at night

Here's a look at storm chasers caught inside passing tornado

Dark clouds from tornado-warned storm roll over Kansas

Amazing timelapse of tornado forming in Texas

Reed Timmer chases tornado through town

Ominous funnel cloud looms overhead in tornado-warned storm

Intense lightning storm captured overnight in Nebraska

Storm chaser Blake Naftel shares storm conditions and tornado video

Trees blown sideways amidst tornado warnings and touchdowns

Storm chaser records tornadoes spinning in Texas

Must see: Tornado literally lands on Reed Timmer while storm chasing

Tornado caught on security camera wreaking havoc to backyard

HIGHLIGHTS: Multiple tornadoes touch down as storm chasers capture the outbreak

Man captures breathtaking video of monstrous tornado roaring through field in Romania

Tornado swirls over open field in Nebraska

Sirens sound off on tornado-warned severe storm

Neighborhoods damaged and trees down after EF3 tornado

Donations roll in to help tornado victims

1965 Palm Sunday Tornado Outbreak

High winds, storms, and tornadoes tear through city