Our webinars are designed for broadcast meteorologists so they can keep up to date on the current state of climate science. They are free and count 0.25 points toward AMS/CBM recertification.
Jul 29, 2020
As the climate warms, mosquito-friendly weather is increasing in much of the U.S.—raising the risk for mosquito-borne diseases.
Jun 12, 2019
Climate change means more hot summer days — leading to health risks and more persistent insects.
Jun 5, 2019
We kick off meteorological summer with the first of two releases on warming summers, which are affecting health, farming, water resources, recreation, and energy costs.
May 8, 2019
A warming climate means more spring days with above-normal temperatures, leading to impacts like more pollen and pests.
Apr 17, 2019
Our new report breaks down the nation’s fastest-warming areas since the first Earth Day — highlighting how climate change has already arrived.
Climate Matters in the Newsroom
Apr 17, 2019
Americans marked the first Earth Day 49 years ago this month — and since then, human emissions have made America hotter.
Apr 10, 2019
Planting zones are shifting north as the climate warms, affecting farmers and backyard gardeners alike.
Mar 27, 2019
Warming temperatures have lengthened U.S. growing seasons by weeks or even months in cities across the U.S., extending the allergy season.
Climate Matters in the Newsroom
Mar 27, 2019
Allergy season is starting up, and climate change means more time for plants to grow and send out pollen.
Mar 6, 2019
Spring is warming in most parts of the country, affecting allergy seasons and agriculture.
Feb 27, 2019
A new study finds that people’s sense of “normal” weather is confined to the last several years — making the long-term realities of climate change less obvious. This week, we apply that analysis to our recent winter.
Climate Matters in the Newsroom
Jan 23, 2019
Despite the recent cold snap, warming is transforming America’s winters.
Nov 28, 2018
Winter is the fastest-warming season in most of the country, impacting agriculture and winter sports economies.
Oct 17, 2018
Fall nights are warming in our changing climate, lengthening the season for allergies and insects, and affecting fall foliage.
Sep 5, 2018
Fall is trending warmer in the U.S., which can affect fall foliage and agriculture.
Aug 29, 2018
From deluge to wildfires, summer 2018 was one of extremes in the U.S.
Jun 20, 2018
Summer begins this week, and the number of summer days hotter than normal is climbing in most of in the U.S.
Mar 7, 2018
Spring is getting warmer across the U.S., with the Southwest warming the fastest.
Feb 21, 2018
Milder, shorter winters from climate change are messing with fruit trees’ winter rest cycle, potentially reducing production.
Jan 11, 2018
The recent cold spell in the U.S. has retreated for now, and our World Weather Attribution team analyzed its characteristics in the context of our changing climate.
Dec 13, 2017
We examine the historical chance of a White Christmas in your city.
Nov 29, 2017
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.
Oct 11, 2017
In much of the U.S., the average date of the first freeze is coming later due to climate change, raising agricultural and public health concerns.
Oct 4, 2017
The number of fall days with temperatures above normal is increasing in much of the U.S.
Sep 20, 2017
The last summer-like day is happening later in the year for most U.S. cities.
Aug 30, 2017
We review summer temperature and rainfall rankings for our Climate Matters markets and look back at U.S. weather extremes, highlighted by Hurricane Harvey.
Aug 3, 2017
Increasing greenhouse gases will increase the number of hot days. Our new interactive shows how the number of days with extreme heat will rise in the second half of the century.
Jul 19, 2017
Nights are getting warmer, on average, across the country, and these trends in nighttime temperatures are another symptom of a world warming from from climate change.
Jul 5, 2017
Find out how much summers in cities around the world could warm this century, and how those higher temperatures compare to other cities today.
Jun 28, 2017
Lyme disease is spreading in the Northeast, with more deer ticks there in a warming world.
Jun 14, 2017
Thanks for partnering with us on The Season of Extreme Heat, our special Climate Matters project raising awareness about the impacts of increasing extreme heat with climate change.
May 31, 2017
Summers are getting hotter across most of the country.
May 17, 2017
The first day with summer-like temperatures is happening earlier for most of our Climate Matters markets.
Apr 12, 2017
The average date of the last spring freeze is shifting earlier in the year, extending the pollen and growing season.
Apr 3, 2017
The start of April marks the end of the winter wet season in the western U.S.
Mar 1, 2017
This was one of the 10 warmest winters on record for much of the country. Only the Northwest was much cooler than average.
Feb 22, 2017
Maple tapping season is beginning earlier in the year. The area suitable for tapping operations is also migrating farther north as the climate warms.
Feb 1, 2017
As climate change warms up winter, it will be more difficult to participate in our winter sports and recreation activities, a trend which will negatively impact the economy in 75% of states.
Oct 20, 2016
NOAA released its Winter Outlook for 2016-17.
Sep 28, 2016
Climate change is affecting the elements driving fall colors: temperature, precipitation, and through migration of species — sunlight.
Aug 31, 2016
This week, we examine how hot this summer has been compared to the hottest and coolest summers on record in your market.
Aug 17, 2016
66% of the U.S. is experiencing an increase of 5+ stagnant air days over the past 40 years.
Jul 19, 2016
We analyze what cities in the U.S. have warmed the most in the last 50 years, both nationally and regionally.
Jul 13, 2016
Extreme heat is the clearest indicator of global warming.
Jul 6, 2016
Summers are not just getting hotter, they’re getting muggier as the dewpoint temperature is rising due to climate change.
Apr 27, 2016
There has been an increase in respiratory illnesses triggered by a rise in pollen in recent decades.
Apr 4, 2016
This year’s early spring snowpack in the West is higher than previous years, but remains on a long-term downward trend.
Mar 30, 2016
The swing in temperatures during the baseball season varies by city, as does the time of year when the season is the hottest.
Mar 2, 2016
Spring is arriving earlier in the U.S., and on the current greenhouse emissions path, it may start an average of three weeks earlier by 2100.
Feb 17, 2016
All four seasons across the country are warming due to climate change.
Feb 10, 2016
The ratio of snow to rain that falls each winter season will change in a warming world.
Feb 2, 2016
Early February bring the Super Bowl, which can be a big weather-related event.
Jan 13, 2016
The average number of very cold nights each year has declined across much of the country since 1970.
Nov 24, 2015
Thanksgiving weather is variable from year to year, but Novembers are trending warmer across the U.S.
Nov 4, 2015
Novembers are warming on average across the country, at a rate of 0.51°F per decade since 1970 — 2.3°F during that time.
Sep 9, 2015
Nationwide, fall is warming at a rate of 0.43°F per decade – that’s 1.9°F since 1970.
Sep 2, 2015
Heat was the dominant player this season, especially in the West, with several cities having their hottest summer on record.
Jul 29, 2015
Disease-carrying pests, such as ticks and mosquitoes, depend on warm, humid environments for survival.
Jun 17, 2015
Summers are warming across the U.S.; most dramatically in the Southwest, less in the Upper Midwest.
May 13, 2015
When the winter is unusually warm or cold, the public often asks if that has any bearing on temperatures the following summer.
Mar 18, 2015
Although an earlier spring has some appeal, it can disrupt the symbiotic relationship between animals and plants, and make plants more susceptible to late-season frost.
Mar 11, 2015
Nationwide, spring has warmed an average of 1.9°F since 1970 with the greatest increase seen in southern Nevada.
Mar 4, 2015
Many Western cities notched their hottest winter on record. Even with rounds of record cold across the Midwest and East, no cities experienced a record cold winter.
Feb 18, 2015
Mid-latitude winter storms have increased in both intensity and frequency nationally since 1950.
Feb 4, 2015
Most cities could see at least a 25% reduction in the number of cold nights by mid-century, and at least a 50% reduction by the end of the century.
Jul 30, 2014
The hottest time of year in the continental U.S. statistically comes in mid-July, but the timing of peak heat varies across different parts of the country.
Jul 9, 2014
We've calculated your city's projected summer high temperature for the end of this century, then show you which city is experiencing those temperatures today.
May 6, 2014
Here is a complete package of content and information to help you communicate its findings.
Mar 27, 2013
Spring’s warm weather brings blooming flowers and trees, but their pollen is aggravating for people suffering from seasonal allergies
Jan 31, 2013
Scientists aren’t the only ones whose predictions are getting better.