The 10 Hottest Global Years on Record

According to NOAA, 2017 finished as the third-warmest year globally since records began (NASA ranked it second-warmest). This is the warmest year on record without an El Niño in the Pacific Ocean, as neutral conditions existed in the Pacific until La Niña developed in the fall. Even so, the global ocean was still the third warmest on record, highl

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2017 Was the Year of the Billion-Dollar Disaster

Rather than one type of event focused on one part of the country, this year’s disasters were spread over several regions. Climate change may have worsened some of the events this year, including drought in the northern Plains and wildfires in the West. In a warming world, soils dry out more from evaporation, making droughts worse and further drying

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The 10 Hottest U.S. Years on Record

Some cities had their hottest year on record, including Albuquerque, Cleveland, Dallas, Phoenix, and Tampa. Moreover, the U.S. is having its warmest consecutive 24, 36, and 48 months on record, with more than 33,000 record highs set in each of the last three years. This total dwarfs the number of record lows set in that three-year period at a rate

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Here’s Where Winters Are Warming the Most

Winters are warming across the U.S., and in some locations, the warming is dramatic. The Northern Plains, Great Lakes, and the Northeast are warming the fastest, while warming is taking place at a slower rate in the western U.S. In parts of Minnesota, Wisconsin, and northern New England winters have warmed at an average rate of more than 1°F per

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extreme cold

The Future of Extreme Cold in a Warming World

For much of the U.S. east of the Rockies, middle to late January tends to be the coldest time of the year. Even though extreme cold can still happen in winter, as was seen earlier this year in much of the country, the frequency and intensity of extreme cold is declining as the world warms from the increase in greenhouse gases. Digging deeper, this

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global temp review

The 10 Hottest Global Years on Record

According to NOAA, 2017 finished as the third-warmest year globally since records began (NASA ranked it second-warmest). This is the warmest year on record without an El Niño in the Pacific Ocean, as neutral conditions existed in the Pacific until La Niña developed in the fall. Even so, the global ocean was still the third warmest on record, highl

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2017 was the third-warmest year on record in the U.S.

The 10 Hottest U.S. Years on Record

Some cities had their hottest year on record, including Albuquerque, Cleveland, Dallas, Phoenix, and Tampa. Moreover, the U.S. is having its warmest consecutive 24, 36, and 48 months on record, with more than 33,000 record highs set in each of the last three years. This total dwarfs the number of record lows set in that three-year period at a rate

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temperature review

2017 U.S. Temperature Review

2017 finished as the third-hottest year in the U.S. since NOAA records began in 1895, with an average temperature 2.56°F above the 20th century mean. Some cities had their hottest year on record, including Albuquerque, Cleveland, Dallas, Phoenix, and Tampa. Moreover, the U.S. is having its warmest consecutive 24, 36, and 48 months on record, with

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weather disasters

2017 Was the Year of the Billion-Dollar Disaster

Rather than one type of event focused on one part of the country, this year’s disasters were spread over several regions. Climate change may have worsened some of the events this year, including drought in the northern Plains and wildfires in the West. In a warming world, soils dry out more from evaporation, making droughts worse and further drying

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cost of weather disasters

The Number and Cost of Weather Disasters is Increasing in the U.S.

Climate change is increasing the trend in weather and climate extremes in the U.S. A NOAA/NCEI report indicates that through September, the U.S. has had 15 individual billion-dollar weather disasters in 2017. Only 2011 had more billion-dollar disasters with 16, and that was through the entire year. Even without the final calculations from Harvey,

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white christmas in presque isle

Will You Have a White Christmas?

White Christmas is defined here as having at least an inch of snow on the ground on Christmas Day. In addition, the analysis includes the record highest snow depth in each city on Christmas Day. But as the world warms, the overall area of North America covered by snow is decreasing. One reason is because an increasing percentage of winter

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snow cover

North American Snow Cover on the Decline

As the world warms, the overall area of North America covered by snow is decreasing. One reason is because an increasing percentage of winter precipitation is falling as rain instead of snow in many locations. A Climate Central report found that between sea level and 5,000 feet in elevation across the Western U.S., a smaller percentage of winter

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record temperatures

Daily Record Highs are Dramatically Outpacing Daily Record Lows

Daily record highs are vastly outpacing daily record lows in the U.S. We will always have warm years and cold years, but in a world without global warming, those warm and cold years would balance over time. However, that’s not what we are seeing. According to the 2017 U.S. Climate Science Special Report, after a rigorous reanalysis of GHCN stations

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warming winters

Here’s Where Winters Are Warming the Most

Winters are warming across the U.S., and in some locations, the warming is dramatic. The Northern Plains, Great Lakes, and the Northeast are warming the fastest, while warming is taking place at a slower rate in the western U.S. In parts of Minnesota, Wisconsin, and northern New England winters have warmed at an average rate of more than 1°F per

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warming winters

See How Much Winters Have Been Warming in Your City

Winter is the fastest warming season in most of the country generally from the Front Range of the Rockies to the East Coast. The greatest warming along the northern states emphasizes a general rule of climate change — cold areas and seasons warm faster than areas and seasons that are already warm. But there are a few exceptions. Fall is warming the

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lake effect snow

Less Lake Ice, More Potential Lake Effect Snow

Arctic air begins to race across the relatively milder water of the Great Lakes every fall, generating lake effect snow. These snowfalls can be intense, but are often localized. Several inches of snow can fall a few miles away from a place that only gets flurries. As the planet has warmed from the increase in greenhouse gases, so have the lakes, me

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