Tornado!

An unprecedented series of violent tornadoes is sweeping across Oklahoma. Tornado chasers, headed by Dr. Jo Harding, attempt to release a groundbreaking device that will allow them to track them and create a more advanced warning system. They are joined by Jo's soon to be ex-husband Bill, a former tornado chaser himself, and his girlfriend Melissa.

A freak weather system turns its deadly fury on New York City, unleashing a Sharknado on the population and its most cherished, iconic sites - and only Fin and April can save the Big Apple.

A group of random individuals get stranded on a bridge that begins collapsing at both ends. Not only that, but there's a gun-wielding bank robber using the bridge as his means of escape refusing to let any of the rescuers draw near the survivors. Time is running out ...

A group of skiers are trapped inside a runaway train hurtling down a mountainside.

A claustrophobic armed robber, fleeing from his latest job, finds himself trapped with a group of people between floors in a high-rise building's elevator that is teetering on collapse.

Tom Merrick gets caught up in a time-traveling conspiracy and must set the timeline right before it is irrevocably altered.

A psychotic sniper plans a massive killing spree in a Los Angeles football stadium during a major championship game. The police, led by Captain Peter Holly and the SWAT commander, learn of the plot and rush to the scene.

A deadly airborne virus finds its way into the USA and starts killing off people at an epidemic rate. Col. Sam Daniels' job is to stop the virus spreading from a small town, which must be quarantined, and to prevent an over reaction by the White House.

Set 100 years after the events of A Chinese Ghost Story, Buddhist Bai Yun and his disciple Fong journey through a small town to transport a golden idol of Buddha. However, local thieves thwart their journey, sending them to take shelter at the ghostly Orchid Temple.

When a former Special Ops commando visits Pompeii, his wife and daughter are trapped as Mt. Vesuvius erupts with massive force. While his family fights to survive the deadly onslaught of heat and lava, he enlists his former teammates in a daring operation beneath the ruins of the city of Pompeii.

The mega lightning storm brings out the worst in people, and the latest storm finds a whole new set of victims during a home invasion gone wrong.

A seven-mile-wide space rock is hurtling toward Earth, threatening to obliterate the planet. Now, it's up to the president of the United States to save the world. He appoints a tough-as-nails veteran astronaut to lead a joint American-Russian crew into space to destroy the comet before impact. Meanwhile, an enterprising reporter uses her smarts to uncover the scoop of the century.

At the opening party of a colossal—but poorly constructed—skyscraper, a massive fire breaks out, threatening to destroy the tower and everyone in it.

In the aftermath of a massive earthquake in California, a rescue-chopper pilot makes a dangerous journey across the state in order to rescue his estranged daughter.

Timely yet terrifying, The Flood predicts the unthinkable. When a raging storm coincides with high seas it unleashes a colossal tidal surge, which travels mercilessly down England's East Coast and into the Thames Estuary. Overwhelming the Barrier, torrents of water pour into the city. The lives of millions of Londoners are at stake.

Flight 23 has crashed in the Bermuda Triangle after a hijacking gone wrong. Now the surviving passengers must brave panic, slow leaks, oxygen depletion, and more while attempting a daring plan, all while 200 feet underwater.

An earthquake shatters a peaceful Los Angeles morning and opens a fissure deep into the earth, causing lava to start bubbling up. As a volcano begins forming in the La Brea Tar Pits, the director of the city's emergency management service, working with a geologist, must then use every resource in the city to try and stop the volcano from consuming LA.

When the crew of an American tugboat boards an abandoned Russian research vessel, the alien life form aboard regards them as a virus which must be destroyed.

Volcanologist Harry Dalton comes to the sleepy town of Dante's Peak to investigate the recent rumblings of the dormant volcano the burg is named for. Before long, his worst fears are realized when a massive eruption hits, and immediately, Harry, the mayor and the townspeople find themselves fighting for their lives amid a catastrophic nightmare.

A packed cruise ship traveling the Atlantic is hit and overturned by a massive wave, compelling the passengers to begin a dramatic fight for their lives.