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☆ Hurricanes are being turbocharged by climate change. This season is proof
▼ + stars: | 2024-11-20 | by ( Rachel Ramirez | ) edition.cnn.com time to read: +4 min

CNN —Record-breaking ocean temperatures, fueled by planet-warming pollution, have turbocharged dozens of Atlantic hurricanes over the last few years, making them more potent and dangerous by increasing their wind speeds. Every hurricane in the 2024 Atlantic hurricane season was made stronger than it otherwise would have been without human-caused climate change, according to analysis from nonprofit climate research group Climate Central. Wind speeds of the 11 hurricanes were increased by 9 to 28 mph by water that was up to 2.5 degrees Fahrenheit warmer because of climate change. Nine of this season’s 11 hurricanes rapidly intensified and climbed up the hurricane category scale due to climate change-driven ocean heat. Climate Central researchers also found that human-caused climate change made exceptionally warm ocean temperatures that fueled Milton’s explosion 400 to 800 times more likely.

Persons: ”, Daniel Gilford, Hurricane Milton, Milton wouldn’t, Chandan Khanna, Debby, Oscar, Jim Kossin, Kossin, he’s Organizations: CNN, Climate, Climate Central, Simpson, National Oceanic, Atmospheric Administration, Water, Hurricanes, Hurricane, National Hurricane Center . Climate, Getty, NOAA Locations: Gulf of Mexico, Hurricane, Siesta Key, Florida

☆ Photos this week: June 27-July 4, 2024
▼ + stars: | 2024-07-04 | by ( Emmalee Reed | ) edition.cnn.com time to read: 1 min

Hurricane Beryl, which tore through Caribbean islands this week, became the earliest Category 5 hurricane ever recorded in the Atlantic. A Category 5 is the highest on the Saffir-Simpson scale, with sustained winds of 157 mph or greater. But it was only the second Category 5 to ever be recorded in the Atlantic in the month of July. The storm’s strength has been fed by abnormally warm ocean waters driven by planet-warming fossil fuel pollution. Here are some of the stories that made headlines over the past week, as well as some photos that caught our eye.

Persons: ” Jim Kossin Organizations: Hurricanes, Street Foundation, CNN Locations: Yucatan

☆ Scientists say hurricanes are growing so powerful that we need to add a Category 6. Here's what that would look like.
▼ + stars: | 2024-02-06 | by ( Jessica Orwig | ) www.businessinsider.com time to read: +4 min

The researchers recommend adding a Category 6 to the Saffir-Simpson Hurricane Wind Scale, which currently ranks powerful tropical storms based on wind speed starting at Category 1 (74 to 95 mph) up to Category 5 (157 mph or higher). The "or higher" for Category 5 storms is where scientists take issue. Category 6 would refer to hurricanes with sustained wind speeds of at least 192 mph — about the speed that NASCAR drivers go. Jan Pleiter/Getty ImagesA strong hurricane with 192 mph winds — which would qualify as a Category 6 — isn't unheard of. In fact, since 2013, five storms have reached or surpassed that, including Hurricane Patricia, Typhoon Haiyan, and Typhoon Meranti, the researchers reported.

Persons: Samantha Lee, Saffir –, Michael Wehner, James Kossin, Jan Pleiter, Patricia, Typhoon Haiyan, Meranti, Wehner, Haiyan, Haiya, NOEL CELIS, there's Organizations: Service, Simpson, Business, Saffir, National Academy of Sciences, NASCAR, Typhoon Locations: New York, Gulf of Mexico, Caribbean, Philippines, Samar

They propose a sixth category for storms with winds that exceed 192 miles per hour (309 kilometers per hour). Currently, storms with winds of 157 mph (252 kilometers per hour) or higher are Category 5. From time to time, experts have proposed a Category 6, especially since Typhoon Haiyan reached 195 mph wind speeds (315 kilometers per hour) over the open Pacific. Wehner said that as temperatures rise, the number of days with conditions ripe for potential Category 6 storms in the Gulf of Mexico will grow. “Perhaps I'll change my tune when a rapidly intensifying storm in the Gulf achieves a Category 6,” Corbosiero said in an email.

Persons: Michael Wehner, Brian McNoldy, Haiyan, Patricia, ”, Jim Kossin, Kossin, Wehner, Kerry Emanuel, Jamie Rhome, Simpson, McNoldy, Craig Fugate, Kristen Corbosiero, ” Corbosiero, ___ Read, Seth Borenstein Organizations: National Academy of Sciences, Associated Press, Lawrence Berkley National, University of Miami, dateline, NOAA, First Street Foundation . Pacific, MIT, National Hurricane Center, Emergency Management, University of Albany Locations: Philippines, Gulf of Mexico, United States, Australia, Jalisco, Mexico, Taiwan, China, Asia, Russia, of Mexico, Caribbean, Gulf, AP.org

☆ 2023 Hurricane Season Ends, Marked by Storms That ‘Really Rapidly Intensified’
▼ + stars: | 2023-12-02 | by ( William B. Davis | Judson Jones | ) www.nytimes.com time to read: +15 min

During the Atlantic hurricane season, 20 storms formed, seven of which reached hurricane strength, meaning sustained winds of at least 74 miles per hour. Storms that experienced rapid intensification Rapid intensification Atlantic storms Extremely rapid intensification Lee 150 m.p.h. wind speed Hilary Lidia 100 50 0 4 0 6 8 2 10 12 14 16 Days since start of storm Atlantic storms Rapid intensification Extremely rapid intensification Lee 150 m.p.h. Despite its strength, the slightly cooler waters near Mexico’s Baja Peninsula would rapidly weaken Hilary to a tropical storm. The background graphic shows the storm moving from a tropical storm to a Category 5 hurricane before making landfall on Oct. 25.

Persons: El Niño, ” James P, ”, Kossin, Otis, Hilary Lidia 100, Philip Klotzbach, Klotzbach, Hurricanes Lee, Idalia, Hilary, Hurricane Hilary, “, Eric Blake Organizations: Canada New York United States Houston, Canada New York United States, Houston, Canada New York United, Canada New York United States Los, PACIFIC, ATLANTIC, Eastern, OCEAN United, OCEAN United States Los, OCEAN United States Los Angeles Houston mexico Mexico City, Atlantic, University of Wisconsin, El, Pacific, National, Colorado State University, East, Hurricanes, Hurricane, U.S, National Hurricane Center Locations: Canada, Canada New York United States Houston Miami mexico Cuba Mexico, Houston Miami mexico Cuba Mexico, Canada New York United States, PACIFIC OCEAN, Miami mexico Cuba Mexico, Atlantic, Eastern Pacific, OCEAN United States, OCEAN United States Los Angeles Houston mexico Mexico, Eastern, North America, Pacific, Madison, Florida, United States, Florida’s Big Bend, Cuba, Caribbean, Cancun, Gulf, Mexico, Bend, Georgia, South Carolina, Florida , Georgia, North Carolina, California, Peninsula, Baja California, Southern California, Death, Acapulco

The Category 5 hurricane damaged nearly all of Acapulco's homes, left bodies bobbing along the coastline and much of the city foraging for food. She and hundreds of thousands others lived two hours of terror last week, and now face years of work to repair their already precarious lives. Living in a two-room concrete house with no potable water and unpaved roads, that glamor never reached their doorstep. —Otis intensified within hours from a tropical storm into the strongest hurricane to hit the Eastern Pacific coast, taking many by surprise. García Ramirez and other fishermen pulled the boats onto the city’s Manzanilla Beach when Otis was still a Category 2 storm.

Persons: — Estela Sandoval Díaz, Hurricane Otis, Sandoval, l, ” Sandoval, “ They’ve, They’ve, Otis, Andrés Manuel López Obrador, ”, they'd, — Sandoval, glamor, Viverista, “, I’ve, López Obrador, — Otis, Jim Kossin, Eleazar García Ramirez, there’s, García Ramirez, They’re, Seth Borenstein, Félix Márquez Organizations: Associated Press, Military, AP, Avid, Residents, Authorities Locations: ACAPULCO, Mexico, Acapulco, chicest, Washington

☆ Recent Category 5 hurricanes add to a growing trend powered by warmer oceans
▼ + stars: | 2023-09-08 | by ( Rachel Ramirez | ) edition.cnn.com time to read: +4 min

“It is very likely that there are more Category 5 storms now than there were 40 years ago,” Kossin told CNN. Rapid intensification has been happening more and more as storms are approaching landfall, making them harder to prepare for. Hurricane Idalia rapidly intensified by 55 mph in 24 hours before landfall along Florida’s Big Bend as a Category 4 hurricane late last month. “There is little doubt that the exceptionally warm ocean waters we’re seeing have a human fingerprint on them,” Kossin said. “Jova is sitting in the middle of this, and the warm water certainly fueled the rapid intensification,” he added.

Persons: Hurricane Lee, Lee, Kevin Reed, Jim Kossin, ” Kossin, Reed, It’s, ” Reed, Hurricane Idalia, John Kaplan, Jova Organizations: CNN, Hurricane, North Atlantic, Stony Brook, University of Wisconsin, Street Foundation, National Oceanic, Atmospheric Administration Locations: North, Stony, Madison, Brooklyn, North Pacific

Higher winds. In a 2018 paper, Dr. Kossin wrote that hurricanes over the United States had slowed 17 percent since 1947. Dr. Kossin likened the problem to walking around your back yard while using a hose to spray water on the ground. Because warmer water helps fuel hurricanes, climate change is enlarging the zone where hurricanes can form. There is a “migration of tropical cyclones out of the tropics and toward subtropics and middle latitudes,” Dr. Kossin said.

Persons: ”, James P, Kerry Emanuel, “, Kossin, “ you’ll, Emanuel, Dr Organizations: National Oceanic, Atmospheric Administration, Hurricanes, Massachusetts Institute of Technology, National Hurricane Center, Researchers Locations: United States, subtropics, Japan

Higher winds. In a 2018 paper, Dr. Kossin wrote that hurricanes over the United States had slowed 17 percent since 1947. Because warmer water helps fuel hurricanes, climate change is enlarging the zone where hurricanes can form. There is a “migration of tropical cyclones out of the tropics and toward subtropics and middle latitudes,” Dr. Kossin said. If a tropical storm or Category 1 hurricane develops into a Category 4 hurricane overnight, he said, “there’s no time to evacuate people.”

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