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Weather Extremes: Tornadoes

The U.S. is the most tornado-prone country on the planet.

Weather Extremes: Heavy Rain and Flooding

Why the increase in heavy downpours? Warmer air means more evaporation off the oceans, and more water vapor in the atmosphere.

Weather Extremes: Heat Waves

Heat waves cause more than just sweat — they can be deadly.

Weather Extremes: Drought

When you think about extreme weather events, you may not think of drought.

Heavy Rainfall Trends Across the U.S.

The number of days with heavy precipitation is increasing in most locations in the U.S.

Western Snowpack Trends

Western spring snowpack has been below normal six of the past seven years, meaning less water during the traditionally dry summer months.…

Projected Cherry Blossom Bloom Dates in a Warming World

Before the end of this century, the cherry blossoms in Washington, D.C. may bloom a month earlier on average than they do today.

Cherry Blossoms in a Changing Climate

The famous cherry blossoms in Washington, D.C. are blooming earlier in our changing climate.

There’s Trouble Brewing For Beer in a Warming World

Climate change is affecting the key elements in beer production: hops, barley, and water.

More Downpours: Increase in Heaviest Precip Events

The number of days each year with extreme rainfall is, on average, increasing in every region of the U.S.

Sea Level Stakes for the Caribbean, in Pictures

These images show long-term sea level rise stakes for the Caribbean.

Daytona 500: Temperature Trends

Since the first Daytona 500 in 1959, the average high temperature in Daytona Beach during late February has risen 3.9°F.

PyeongChang Climate Extremes

What’s the climate like in this year’s Winter Olympics host city, PyeongChang?

Past & Future Winter Olympic Warming

Februaries have warmed 1.01°C (1.82°F) globally since the first Winter Olympics in 1924.

The Future of Extreme Cold in a Warming World

Winter is losing its cool. See how much milder the coldest night of the year will be by mid-century.

The 10 Hottest Global Years on Record

2017 was globally the third-warmest year on record. See the rest of the top 10 here.

2017 Global Temp Review: Continental Heat Rankings

2017 was the third warmest year in the global record. See how each continent ranked.

2017 Global Temp Review: Land & Ocean

Globally, 2017 was the third warmest year on record. See what parts of the world were warmest.

Sublette on Philadelphia Sea Level Rise

Sea level rise from climate change poses threats to Philadelphia, including most of its airport.

2017 U.S. Temperature Review

Several states had one of their hottest years on record in 2017.