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How Winters Are Changing Throughout the U.S.

How Winters Are Changing Throughout the U.S.

You may be waiting until December 21 to celebrate winter but if you’re meteorologically oriented, now is the time to break out the hot chocolate and ugly sweaters. Meteorological winter officially kicked off this week with a bang in California, providing some much-needed rain to start the wet season there. And over the next 6-10 days, the majority … Read More

Extreme Halloween: Ghoulish Weather Records

Extreme Halloween: Ghoulish Weather Records

Hopefully your pumpkin is carved, the candy bowl is full and you haven't overdosed on candy corn yet because Friday is Halloween. This year's holiday has already set one record for the number of costumes that Americans purchased, including a whopping $350 million on pet costumes. But we here happen to be interested in some other records, specifical… Read More

Jack Frost Not Exactly Nipping at Your Nose

Jack Frost Not Exactly Nipping at Your Nose

The mercury has already dipped below 32°F at a number of locations around the U.S. in the Rockies and Upper Midwest. It’s only a matter of time before chilly temperatures march east and south as fall turns to winter, frosting over windowpanes, lawns and leaves. But Old Man Winter and Jack Frost are getting a later and later start to their usual fro… Read More

Study: Climate Not a Factor in Epic Colorado Floods

Study: Climate Not a Factor in Epic Colorado Floods

Climate change may have had nothing whatsoever to do with the extreme rainfall that caused Colorado's epic 2013 floods, and global warming could reduce the likelihood that they’ll happen again, according to a new study, which is disputed by one of the nation’s most prominent climatologists. … Read More

Toledo’s Algae Bloom in Line with Climate Projections

Toledo’s Algae Bloom in Line with Climate Projections

A two-day ban on drinking water has been lifted in Toledo, Ohio. But the toxic algae bloom that led to the ban is still floating around Lake Erie and ones like it could become more common as the climate continues to change in a warming world. Nutrients in agricultural runoff is the biggest contributor to algae blooms in Lake Erie. What brings that… Read More

Polar Vortex or Not, Cooler Temps Invade Eastern U.S.

Polar Vortex or Not, Cooler Temps Invade Eastern U.S.

Mid-July is typically when places from Colorado to Minnesota to New Jersey see their warmest temperatures of the year, but thanks to an incursion of cold polar air, parts of the eastern U.S. will see the mercury dip 5 to 25°F below normal this week. But as far as the National Weather Service is concerned, don’t call it a Polar Vortex. The event… Read More

Waves in the Atmosphere Fueling Extreme Weather

Waves in the Atmosphere Fueling Extreme Weather

The pattern of a wavy jet stream was a recurring theme in U.S. weather forecasts this winter as a particularly jagged one essentially split the country in two. While there is a debate over whether climate change causes that pattern, new research shows that the waviness does exacerbate extreme weather. The research, published in Nature Climate Chan… Read More

Summertime Blues? U.S. Seeing Red as Temps Rise

Summertime Blues? U.S. Seeing Red as Temps Rise

The summer solstice is right around the corner this Saturday and temperatures around the U.S. have started to rise to the occasion. But it’s not just a warmup from spring to summer that’s occurring: summer temperatures have been steadily rising since 1970. On average, temperatures have increased at a rate of about 0.4°F per decade in the… Read More