Winter Storm Watches issued for Philadelphia, New York, Boston  ahead of powerful weekend nor'easter

A powerful nor'easter will develop into a "bomb cyclone" off the East Coast this weekend, placing areas from New England to North Carolina at risk of heavy snow, high winds and coastal flooding beginning Friday evening.

What makes a storm a nor’easter?

Not every Northeast snowstorm is a nor’easter. In fact, some nor’easters don’t even produce snow. So what makes a snowstorm a nor'easter?

Family of driver who died in Illinois tornado warehouse collapse sues Amazon

The family of a delivery driver who died last month when a tornado collapsed the Amazon warehouse in central Illinois where he worked has filed a wrongful death lawsuit.

Four tornadoes tear through Florida neighborhoods, flip vehicles Sunday

Four confirmed tornadoes were reported in Florida on Sunday, causing damage to different parts of the state -- including in Fort Myers and Naples.

Winter storm leaves South covered in snow, ice

Weather forecasters say more than an inch of snow fell per hour in some parts of the Carolinas, Georgia, Tennessee and Virginia.

Pacific tsunami warning recedes; Tonga covered by ash cloud

The tsunami threat throughout the Pacific from a huge underwater volcanic eruption has begun to recede, though the massive ash cloud covering Tonga is preventing surveillance flights from New Zealand to assess the extent of damage.

Tonga volcano eruption, Tsunami alert for U.S. west coast

An undersea volcano erupted in spectacular fashion near the Pacific nation of Tonga on Saturday, sending large tsunami waves crashing across the shore and people rushing to higher ground.

What is a tsunami and what causes them?

All coastlines around the world are vulnerable to tsunamis, so it's important to know your community's hazard and evacuation plans in case they're needed.

Historical tsunamis that have struck around the world

Tsunamis have devastated countries around the world, costing countless lives and leaving behind millions of dollars in damage.

Winter storm to hit southern US before moving up East Coast

Winter weather is moving across the U.S. this weekend, threatening the deep south before moving up the east coast.

Satellite images show volcanic eruption that caused tsunami in Pacific

An underwater volcano has erupted near the Pacific nation of Tonga, sending large tsunami waves crashing across the shore and people rushing to higher ground.

Volcano erupts in Pacific, triggers tsunami advisory for Bay Area

The National Weather Service on Saturday morning issued a Tsunami Advisory for the Pacific Coast, including Bay Area shorelines, following a large underwater volcanic eruption near the Tonga Islands.

Winter storm rips through Eastern US causing record breaking snowfall

A winter storm that had already blanketed parts of the South in snow moved into the Northeast, snarling air travel and crushing morning commutes.

Uber driver stranded on I-95 buys teen passenger hotel room, offered new job

Uber driver DaVante Williams was stranded with a teenage passenger for hours on the snowy I-95 and is being praised for going “above and beyond” to get her home safe.

'I was screaming': Georgia woman trapped in car swept up by tornado

The Newton County woman and her brother were trapped in their car as a tornado lifted them up and smashed them into the ground multiple times.

Severe storms sweep across southern US overnight

A line of severe storms moved across the southern United States overnight, leaving homes damaged and without power.

Colorado fire destroyed nearly 1,000 homes, 3 people missing

The Colorado fire that whipped through the Denver suburbs of Superior and Louisville destroyed an estimated 1,000 homes, leaving at least three people unaccounted for, authorities said Saturday.