Dennis Mersereau

North Carolina

Contributor at Forbes

I make it rain and then write about it. 📡 Weather reporter, author, Tom Nook apologist, and aspiring flâneur. He/him. 🏳️‍🌈 || @wxdam.com on Bluesky.

Articles

Study finds dozens of major cities sinking due to groundwater extraction

5 days ago | ca.news.yahoo.com | Dennis Mersereau

New York City is sinking. Washington, D.C., is sinking, as well. So are Los Angeles, Detroit, Dallas, and more than two-dozen of the most populous cities in the United States. Just over one year after researchers revealed that the U.S. East Coast is sinking at an alarming rate, the lead authors have announced that the ground is also sinking beneath dozens of cities across the U.S.—and the same likely goes for many more major cities around the world.
La Niña absent for hurricane season-but could lurk again by fall

6 days ago | ca.news.yahoo.com | Dennis Mersereau

La Niña absent for hurricane season—but could lurk again by fallLa Niña absent for hurricane season—but could lurk again by fallA short and strange La Niña event officially came to an end last month, and conditions across a critical section of the Pacific Ocean remain near-normal heading into the beginning of this summer.
Calgary’s biggest-ever snowstorm hit the city in May

1 week ago | ca.news.yahoo.com | Dennis Mersereau

A gloomy Tuesday in May provided few clues that Calgary, Alta., would shatter an all-time wintry weather record just a few hours later. Calgary’s largest-ever snowstorm unfolded on May 6, 1981, a Wednesday that saw a whopping 48.4 cm of snow plaster the metro area. This record-breaking storm cemented the city’s reputation as a springtime snowfall juggernaut, churning out impressive amounts of winter weather long after winter seemingly ended.
Powerful Cascadia quake could trigger near-instant flood risk: report

1 week ago | ca.news.yahoo.com | Dennis Mersereau

A major West Coast earthquake along the Cascadia subduction zone could have an unexpected and destructive side-effect for shoreside communities throughout the region. Research recently published in the Proceedings of the National Academy of Sciences (PNAS) outlines how a significant earthquake could lead to up to 2 metres of land subsidence along the Pacific Northwest coast—within minutes of the shaking.
Major hailstorm pelts Paris as severe storms sweep France

1 week ago | ca.news.yahoo.com | Dennis Mersereau

Several days of unseasonable heat across portions of Europe broke in spectacular fashion this weekend as a line of severe thunderstorms swept across northern France. A major hailstorm rolled through the heart of Paris on Saturday afternoon, forcing residents and tourists alike to flee the dramatic thunderstorm. Much of Europe has endured above-seasonal temperatures for the past few days as a strong ridge of high pressure settled over the region.
Ontario electricity rates now on summer hours-what it means for you

1 week ago | ca.news.yahoo.com | Dennis Mersereau

Ontario electricity rates now on summer hours—what it means for youThe arrival of May brings warmer temperatures, more intense sunshine, and Ontario's seasonal change in peak energy hours. Beginning May 1 and lasting through Oct. 31, consumers are now subject to summertime electricity rate periods implemented by the Ontario Energy Board (OEB). Time-of-Use (TOU) pricing raises and lowers electricity rates during set hours of the day.
Earthquakes are a risk in Canada. Here’s how to stay safe

1 week ago | ca.news.yahoo.com | Dennis Mersereau

Earthquakes are a risk in Canada. Here’s how to stay safeEarthquakes are a risk in Canada. Here’s how to stay safeEarthquakes are a serious hazard across Canada. There are about 4,000 earthquakes recorded across the country in a typical year, according to Earthquakes Canada, though only about 50 of them are ever strong enough for folks to feel the shaking. An earthquake can strike at any time with little to no notice before the shaking starts.
Greenery booms after a year’s worth of rain hits Australian Outback

2 weeks ago | ca.news.yahoo.com | Dennis Mersereau

Portions of the arid Australian Outback saw more than a year’s worth of rain in just a week at the end of March 2025, unleashing destructive floods throughout the region. Drenching rains and resulting floodwaters led to renewed life amid the rusty red deserts of interior Queensland. Satellite imagery revealed vast fields of lush greenery in the days and weeks following the deluge.
Welcome to solar summer, the most intense sunshine of the year!

2 weeks ago | ca.news.yahoo.com | Dennis Mersereau

Welcome to solar summer, the most intense sunshine of the year!Welcome to solar summer, the most intense sunshine of the year!It’s the beginning of May—and the beginning of solar summer. We’re quickly climbing into the three-month stretch of the year with the brightest and most intense solar radiation beating down on Earth’s surface. This time of year is priming the atmosphere for summer’s heat, and it can be downright dangerous without the proper protection.
The most prolific tornado outbreak tore grass out of the ground

2 weeks ago | ca.news.yahoo.com | Dennis Mersereau

The most prolific tornado outbreak tore grass out of the groundThe most prolific tornado outbreak tore grass out of the groundThe twister’s winds grew so strong that it scoured asphalt and grass right out of the ground. Packing estimated winds as high as 330 km/h, the scale-topping EF-5 tornado killed three people as it tore through central Mississippi, leaving catastrophic damage in its wake.