The Weather Channel HD

Tornadoes, flash floods, lightning strikes and other extreme events can turn lethal so fast the only sensible response is to run.

Demolished by an EF5 tornado in May 2007, the town of Greensburg, Kan., undergoes an environmentally friendly rebuilding process.

A weeklong heat wave kills 739 people in Chicago.

Starting the day by opening a window into weather, looking out at the stories and science behind the forecast.

Starting the day by opening a window into weather, looking out at the stories and science behind the forecast.

Starting the day by opening a window into weather, looking out at the stories and science behind the forecast.

Starting the day by opening a window into weather, looking out at the stories and science behind the forecast.

Starting the day by opening a window into weather, looking out at the stories and science behind the forecast.

Starting the day by opening a window into weather, looking out at the stories and science behind the forecast.

Starting the day by opening a window into weather, looking out at the stories and science behind the forecast.

Starting the day by opening a window into weather, looking out at the stories and science behind the forecast.

A midday look at up-to-the-minute forecasts and weather stories from around the country.

A midday look at up-to-the-minute forecasts and weather stories from around the country.

A midday look at up-to-the-minute forecasts and weather stories from around the country.

A midday look at up-to-the-minute forecasts and weather stories from around the country.

Uncensored take on weather and storms from an expert trio as unpredictable as nature itself.

Uncensored take on weather and storms from an expert trio as unpredictable as nature itself.

Uncensored take on weather and storms from an expert trio as unpredictable as nature itself.

Uncensored take on weather and storms from an expert trio as unpredictable as nature itself.

A record-breaking cyclone wrecks South Pacific islands; a cruise ship becomes stranded in a storm; two friends get caught in a deadly avalanche.

Hurricane Florence causes biblical-level flooding in North Carolina; a magnitude seven earthquake rocks Anchorage, Alaska; a colossal wave swamps a surfer in Nazaré, Portugal.

Wildfires devastate the seaside village of Mati in Greece; monster hail pummels tourists and zoo animals in Colorado; hikers in Turkey fight for survival after they're stranded by a flash flood; a tornado rips off roofs and catapults cars in Canada.