CNN-weather/environment

By Jennifer Gray, CNN Meteorologist (CNN) — When a hurricane undergoes rapid intensification, its maximum sustained winds increase by at least 35 mph in 24 hours or less – driving up the danger the storm could pose to life and property. “Rapid intensification is associated with a sharp increase in intensity in a short amount

By Mary Gilbert, CNN Meteorologist (CNN) — Hurricane Hilary is rapidly intensifying in the Pacific Ocean southwest of Mexico on Thursday and is on track to deliver potentially significant rain and flooding to parts of the Southwest as a weaker system starting this weekend. Hilary strengthened into a major Category 3 hurricane Thursday evening with

CNN Editorial Research (CNN) — Here’s a look at some statistics from Hurricane Katrina. August 29, 2005 Katrina makes landfall near Grand Isle, Louisiana as a Category 3 storm with winds near 127 mph.– Severe flooding damage to cities along the Gulf Coast, from New Orleans to Biloxi, Mississippi. – Numerous failures of levees around

By Mary Gilbert, CNN Meteorologist (CNN) — Yet another record has fallen in this summer’s extreme-weather epicenter of Phoenix, but this one is doing more than fueling the heat – it’s a sign of a much more widespread issue developing in the Southwest. Phoenix is experiencing its driest start to summer after recording no measurable

By Jennifer Gray, CNN Meteorologist (CNN) — The Northwest US has mostly been able to dodge major heat this summer, but it has arrived with a vengeance and could help to stoke and start wildfires, including in parts of western Canada where hundreds of wildfires are raging out of control. People across parts of Washington

By Mary Gilbert, CNN Meteorologist (CNN) — A new tropical storm south of Hawaii will move along a similar track as Hurricane Dora – the storm that enhanced ferocious winds that drove the Maui wildfires, one of which became the deadliest US wildfire in more than a century. Tropical Storm Greg should pass hundreds of

By Mary Gilbert, CNN Meteorologist (CNN) — Record-high ocean temperatures are setting the stage for an active Atlantic hurricane season with explosive tropical development, but just one thing is missing: storms. There have been no tropical storms in the Atlantic basin in nearly a month, and none so far this year have come close to

CNN By Holly Yan, Amanda Jackson, Jamiel Lynch and Chris Boyette, CNN (CNN) — At least six people have died as a result of the wildfires that are ravaging parts of Maui, the island’s mayor, Richard Bissen Jr., said at a Wednesday morning news conference. He did not offer further details about the deaths and

By Holly Yan, Christina Maxouris, Amanda Jackson and Jamiel Lynch, CNN (CNN) — At least six people have died in the wildfires that are ravaging parts of Maui, torching entire communities to the ground and leaving behind apocalyptic scenes of ash and debris. Richard Bissen Jr., the island’s mayor, announced the death toll in a

CNN, WBRC, WXIA, WVTM, WHNS, WFXT, WJZ, CNN By Nouran Salahieh and Holly Yan, CNN (CNN) — More than a 150,000 homes and businesses were still in the dark Tuesday night, more than 24 hours after ferocious storms pummeled much of the Eastern US – leaving two people dead, homes without roofs and drivers stranded

By Nouran Salahieh and Holly Yan, CNN (CNN) — More than a 150,000 homes and businesses were still in the dark Tuesday night, more than 24 hours after ferocious storms pummeled much of the Eastern US – leaving two people dead, homes without roofs and drivers stranded for hours. A 28-year-old man died Monday after

By Jennifer Gray, CNN Meteorologist (CNN) — Record dry streaks and a long-lasting ridge of high pressure are teaming up to lock in dangerous heat and trigger an expanding drought across parts of the Southwest and Texas. This is particularly true in Phoenix, which just endured the hottest month on record for any US city

By Christina Maxouris and Mary Gilbert, CNN (CNN) — A massive storm system unleashed vicious winds and thunderstorms across the East Coast on Monday, killing at least two people and knocking out power to more than 1 million utility customers from Pennsylvania down to Georgia. In the northwestern Alabama city of Florence, a 28-year-old man

By Mary Gilbert, CNN Meteorologist (CNN) — Life-threatening flash flooding forced evacuations and water rescues across parts of the South Friday morning. Some of the worst flooding centered on portions of western Kentucky and Tennessee, where multiple flash flood emergencies were issued Friday morning. Flash flood emergencies are a sign forecasters are confident the situation

By Jennifer Gray, CNN Meteorologist (CNN) — One of the most exceptional heat streaks in US history finally ended Monday when Phoenix’s high temperature peaked under 110 degrees Fahrenheit for the first time in a month, a cumulative toll that has catapulted the city to the top of the record books. But the heat is

By Jennifer Gray, CNN Meteorologist and Madison Richardson, CNN (CNN) — Substantial fires can make their own weather – and do it in several ways. The most common weather phenomena wildfires can create include pyrocumulus clouds, fire tornadoes and smoke clouds that cause significant cooling. Here’s more about them: Pyrocumulus clouds Fire clouds are known

By Mary Gilbert, CNN Meteorologist (CNN) — An out-of-control blaze burning in northern Washington state exploded in size, crossed the Canadian border and set off a cascade of evacuations over the weekend. The so-called Eagle Bluff Fire has burned thousands of acres on both sides of the border and forced hundreds to evacuate their homes

CTV NETWORK, REDDIT, MISTER_BOLD, CRAIG FAMILY, REDDITT, CSMITAS, TWITTER, @ACANUCKSI, CNN, Reddit/Mister_bold, Redditt/csmitas, Twitter/@Acanucksi By Mary Gilbert, CNN Meteorologist (CNN) — An out-of-control blaze burning in northern Washington state exploded in size, crossed the Canadian border and set off a cascade of evacuations over the weekend. The so-called Eagle Bluff Fire has burned thousands of

By Jennifer Gray, CNN meteorologist (CNN) — Record-long extreme heat streaks are finally coming to an end, but despite the signs of relief, the dangerous heat isn’t going away completely. The relentless heat dome driving the deadly heat wave will meander across the southern tier of the US this week, bringing more record-breaking temperatures. The