Resources

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.

Tag Results - SEASONS

2019 Summer Starter: More Hot Days

2019 Summer Starter: More Hot Days

Jun 12, 2019

Climate change means more hot summer days — leading to health risks and more persistent insects.

2019 Summer Starter: Temperature Trends

2019 Summer Starter: Temperature Trends

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.

More Warm Spring Days

More Warm Spring Days

May 8, 2019

A warming climate means more spring days with above-normal temperatures, leading to impacts like more pollen and pests.

Earth Day: Fastest Warming Cities and States

Earth Day: Fastest Warming Cities and States

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.

American Warming

Climate Matters in the Newsroom

American Warming

Apr 17, 2019

Americans marked the first Earth Day 49 years ago this month — and since then, human emissions have made America hotter.

Planting Zones Moving North

Planting Zones Moving North

Apr 10, 2019

Planting zones are shifting north as the climate warms, affecting farmers and backyard gardeners alike.

More Pollen Calling

More Pollen Calling

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.

Your Changing Allergy Season

Climate Matters in the Newsroom

Your Changing Allergy Season

Mar 27, 2019

Allergy season is starting up, and climate change means more time for plants to grow and send out pollen.

Spring Warming

Spring Warming

Mar 6, 2019

Spring is warming in most parts of the country, affecting allergy seasons and agriculture.

How Was This Winter’s Cold Perceived?

How Was This Winter’s Cold Perceived?

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.

Warming Winters: On Thin Ice

Climate Matters in the Newsroom

Warming Winters: On Thin Ice

Jan 23, 2019

Despite the recent cold snap, warming is transforming America’s winters.

Seasonal Warming

Seasonal Warming

Nov 28, 2018

Winter is the fastest-warming season in most of the country, impacting agriculture and winter sports economies.

Warming Fall Nights

Warming Fall Nights

Oct 17, 2018

Fall nights are warming in our changing climate, lengthening the season for allergies and insects, and affecting fall foliage.

Fall Temperature Trends

Fall Temperature Trends

Sep 5, 2018

Fall is trending warmer in the U.S., which can affect fall foliage and agriculture.

Summer of Extremes

Summer of Extremes

Aug 29, 2018

From deluge to wildfires, summer 2018 was one of extremes in the U.S.

More Hot Summer Days

More Hot Summer Days

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.

Warming Spring

Warming Spring

Mar 7, 2018

Spring is getting warmer across the U.S., with the Southwest warming the fastest.

Fruit Trees Need Winter

Fruit Trees Need Winter

Feb 21, 2018

Milder, shorter winters from climate change are messing with fruit trees’ winter rest cycle, potentially reducing production.

Recent Polar Outbreak in the Eastern U.S.

Recent Polar Outbreak in the Eastern U.S.

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.

White Christmas

White Christmas

Dec 13, 2017

We examine the historical chance of a White Christmas in your city.

Warming Winter

Warming Winter

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.

First Frost: Frost-Free Season Getting Longer

First Frost: Frost-Free Season Getting Longer

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.

Warm Fall Days

Warm Fall Days

Oct 4, 2017

The number of fall days with temperatures above normal is increasing in much of the U.S.

Longer Summers

Longer Summers

Sep 20, 2017

The last summer-like day is happening later in the year for most U.S. cities.

2017 Summer Review

2017 Summer Review

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.

Local Projections in Extreme Heat

Local Projections in Extreme Heat

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.

Warm Nights

Warm Nights

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.

Global Shifting Cities

Global Shifting Cities

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.

Tick Migration

Tick Migration

Jun 28, 2017

Lyme disease is spreading in the Northeast, with more deer ticks there in a warming world.

The Season of Extreme Heat

The Season of Extreme Heat

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.

Meteorological Summer & Temp Trends

Meteorological Summer & Temp Trends

May 31, 2017

Summers are getting hotter across most of the country.

Summer Temperatures

Summer Temperatures

May 17, 2017

The first day with summer-like temperatures is happening earlier for most of our Climate Matters markets.

Date of Last Freeze

Date of Last Freeze

Apr 12, 2017

The average date of the last spring freeze is shifting earlier in the year, extending the pollen and growing season.

Western Snowpack

Western Snowpack

Apr 3, 2017

The start of April marks the end of the winter wet season in the western U.S.

2016-17 Winter Review

2016-17 Winter Review

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.

Maple Syrup Season

Maple Syrup Season

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.

Winter Sports & Fun

Winter Sports & Fun

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.

NOAA Winter Outlook 2016-17

NOAA Winter Outlook 2016-17

Oct 20, 2016

NOAA released its Winter Outlook for 2016-17.

Fall Foliage & Climate Change

Fall Foliage & Climate Change

Sep 28, 2016

Climate change is affecting the elements driving fall colors: temperature, precipitation, and through migration of species — sunlight.

2016 Summer Review

2016 Summer Review

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.

Stagnant Summer Air

Stagnant Summer Air

Aug 17, 2016

66% of the U.S. is experiencing an increase of 5+ stagnant air days over the past 40 years.

Hottest Trending Cities

Hottest Trending Cities

Jul 19, 2016

We analyze what cities in the U.S. have warmed the most in the last 50 years, both nationally and regionally.

Summer Heat Toolkit

Summer Heat Toolkit

Jul 13, 2016

Extreme heat is the clearest indicator of global warming.

Steamier Summers (Dewpoint)

Steamier Summers (Dewpoint)

Jul 6, 2016

Summers are not just getting hotter, they’re getting muggier as the dewpoint temperature is rising due to climate change.

Allergies Ahead (Pollen)

Allergies Ahead (Pollen)

Apr 27, 2016

There has been an increase in respiratory illnesses triggered by a rise in pollen in recent decades.

Winter Precip & Western Snowpack

Winter Precip & Western Snowpack

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.

MLB Opening Day: Bringing the Heat

MLB Opening Day: Bringing the Heat

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.

Spring Arriving Earlier

Spring Arriving Earlier

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.

Four Seasons of Warming

Four Seasons of Warming

Feb 17, 2016

All four seasons across the country are warming due to climate change.

Winter Precipitation: More Rain, Less Snow

Winter Precipitation: More Rain, Less Snow

Feb 10, 2016

The ratio of snow to rain that falls each winter season will change in a warming world.

Warming Since the First Superbowl

Warming Since the First Superbowl

Feb 2, 2016

Early February bring the Super Bowl, which can be a big weather-related event.

Fewer Cold Nights

Fewer Cold Nights

Jan 13, 2016

The average number of very cold nights each year has declined across much of the country since 1970.

Thanksgiving Extremes

Thanksgiving Extremes

Nov 24, 2015

Thanksgiving weather is variable from year to year, but Novembers are trending warmer across the U.S.

Warming November

Warming November

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.

Fall Temp & Precip Trends

Fall Temp & Precip Trends

Sep 9, 2015

Nationwide, fall is warming at a rate of 0.43°F per decade – that’s 1.9°F since 1970.

2015 Summer Review

2015 Summer Review

Sep 2, 2015

Heat was the dominant player this season, especially in the West, with several cities having their hottest summer on record.

Mosquitoes & Ticks

Mosquitoes & Ticks

Jul 29, 2015

Disease-carrying pests, such as ticks and mosquitoes, depend on warm, humid environments for survival.

Summer Temp & Precip Trends

Summer Temp & Precip Trends

Jun 17, 2015

Summers are warming across the U.S.; most dramatically in the Southwest, less in the Upper Midwest.

What Does This Past Winter Mean For Summer?

What Does This Past Winter Mean For Summer?

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.

Spring is Coming Early

Spring is Coming Early

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.

Spring Trends: Temperature & Precipitation

Spring Trends: Temperature & Precipitation

Mar 11, 2015

Nationwide, spring has warmed an average of 1.9°F since 1970 with the greatest increase seen in southern Nevada.

2014-15 Winter Wrap-Up

2014-15 Winter Wrap-Up

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.

Winter Storm Intensity & Frequency

Winter Storm Intensity & Frequency

Feb 18, 2015

Mid-latitude winter storms have increased in both intensity and frequency nationally since 1950.

Winter Loses Its Cool

Winter Loses Its Cool

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.

Hottest Days of Summer

Hottest Days of Summer

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.

Future Summers in Your City

Future Summers in Your City

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.

2014 National Climate Assessment

2014 National Climate Assessment

May 6, 2014

Here is a complete package of content and information to help you communicate its findings.

Warm Springs & Allergies

Warm Springs & Allergies

Mar 27, 2013

Spring’s warm weather brings blooming flowers and trees, but their pollen is aggravating for people suffering from seasonal allergies

Groundhog Day

Groundhog Day

Jan 31, 2013

Scientists aren’t the only ones whose predictions are getting better.