Topic: National Weather Service

Why has 2012 been the hottest year on record in the US?

More than 40,000 daily heat records have been broken around the country so far this year, according to the National Oceanic and Atmospheric Administration, compared with last year's 25,000 daily records set by this date.

Waldo Canyon fire reaches 'epic proportions' (+video)

Debby weakens, but remains flood threat for Florida (+video)

Tropical storm Debby: Flooding forces I-10 closure in Florida (+video)

Colorado wildfire out of control, residents evacuated (+videos)

Ranger tumbles to his death after rescuing Mt. Rainier hikers (+video)

Summer Solstice: Why the days will shorten from here on out (+video)

Western wildfires forcing evacuations in Colorado, New Mexico

Tornadoes damage homes, train in Wyoming, Colorado (+video)

New Mexico wildfire, largest ever in the state, continues to burn (+video)

Subtropical Storm Beryl: Dixie beachgoers batten down for big Memorial Day soak

The Monitor's View Hope, resiliency, and unity mark the Joplin tornado anniversary

A tropical storm in May? How unusual is Alberto?

CSI Tornado: Decoding – and chasing – supercells with the experts

Spring snowstorm hammers New York, Pennsylvania (+video)

Tornado warnings saved lives, but sirens aren't enough (+video)

Tornado watch: Early warnings may have saved Iowa town

Midwest tornadoes pose severe threat across hundreds of miles

As Midwest storm bears down, forecasters use more urgent voice in tornado warnings

4 feet of hail? Massive hail storm hits Texas panhandle

The Monitor's View A tsunami-warning system makes waves

Texas tornadoes: 296 American Airlines flights canceled Friday

Texas tornadoes: How much warning time was possible? (+video)

Texas tornadoes: Why no fatalities after a dozen tornadoes? (+video)

Two 'extremely dangerous' tornadoes reported in Dallas area