How will the US cope next summer when it could be even hotter?

This year’s heatwaves have been a huge challenge – and scientists predict 2024 will likely break records again

It’s been a record-breaking summer of heatwaves across large parts of the US and the world, and trying to stay cool and safe has been an unprecedented challenge.

There has been a rise in heat-related fatalities; companies and organizations have been under greater pressures to protect workers; and officials from small towns to the White House have been scrambling to respond.

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Weather tracker: Hurricane Idalia leaves trail of damage in Florida

Category 3 storm causes extensive flooding in south-east US, while heavy rain and winds also hit France and Italy

Hurricane Idalia struck northern Florida on Wednesday, bringing damaging winds and torrential rain. It made landfall near Keaton Beach on Florida’s Big Bend during the morning as a high-end category 3 hurricane, bringing sustained winds speeds near 125mph (200km/h) and a storm surge of 16ft along Florida’s north-west coastline.

Due to very warm sea surface temperatures, the storm strengthened rapidly over the Gulf of Mexico to category 4 status, before weakening to category 3 as it made landfall. It brought extensive flooding as it passed through and damaged power lines, leaving thousands without electricity.

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Idalia expected to become category 3 hurricane as storm gains strength – live

Storm expected to strengthen to category 3 before it makes landfall on Florida’s Gulf coast on Wednesday

A rapidly intensifying Hurricane Idalia was closing in on Florida’s Gulf coast on Tuesday, with landfall of the first major hurricane to strike the US this year was expected early on Wednesday.

Forecasters predicted Idalia would crash ashore as a higher-end category 3 hurricane. Category 3 hurricanes have winds between 111 and 129mph. Anything above a category 2 – on a scale of up to 5 – is considered major.

One word – leave. It’s not something to discuss.

Two blocks this way, two blocks that way, two blocks that way. Water. And all the other little residential areas are connected by bridges. Any one of those bridges can be taken out. If they do, you’re stuck on your side.

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Hurricane Idalia closes in on Florida with warnings of 125mph winds

Rapidly strengthening hurricane nears Gulf coast as officials warn of significant storm surge and destructive winds

A rapidly intensifying Hurricane Idalia was closing in on Florida’s Gulf coast on Tuesday as residents in more than a dozen counties rushed to evacuate amid warnings of a life-threatening storm surge and destructive 125mph winds.

Landfall of the first major hurricane to strike the US this year was expected early on Wednesday, following Idalia’s north-easterly march through the Gulf of Mexico from Cuba.

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Thousands lose power as Texas braces for deluge from Tropical Storm Harold

About 1.3 million people under warning as storm moves inland over south Texas and governor deploys state’s national guard

The skies began to darken over southern Texas on Tuesday as Tropical Storm Harold hurtled toward the state, just as California began cleanup from the historic storm system Hilary.

Texas, still grappling with the effects of one of the hottest and driest summers on record, is now bracing for a deluge. As Harold continued on its westward trajectory after sweeping through the Gulf of Mexico, forecasters warned it could drop up to 7in of rain in some areas with risks of flash flooding.

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Storm Hilary could still threaten life, experts say, as nearly 25m under flood warnings in US south-west – live

Storm downgraded to post-tropical cyclone as of Monday morning but mudslides still possible

First responders rescued over a dozen unhoused people who were trapped in knee-deep water in Southern California, AP reported.

Fire officials saved 13 people who were caught in a flooded homeless encampment near the San Diego River.

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Phoenix’s record streak of temperatures above 110F ends after 31 days

Reprieve expected to be brief, with the forecast calling for highs again above 110F for several days later in the week

Phoenix’s record stretch of daily highs over 110F (43.3C) ended Monday as cooling monsoon rains slightly tempered the dangerous heatwave that suffocated the American south-west throughout July.

The region, from Texas across New Mexico and Arizona and into California’s desert, has been grappling with historic heat since June. Phoenix and its suburbs sweltered more intensely than most, with several records including the 31 consecutive days of 110F days. The previous record was 18 straight days, set in 1974.

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More than 170m Americans under heat alerts as heatwave expands

Between 250 and 275 million will face heat indexes of 90F as heatwave moves into parts of Great Plains, midwest and north-east

Over 170 million Americans are under heat alerts this week, according to the National Weather Service, as a heat wave that has affected the southern US for weeks has expanded into parts of the Great Plains, midwest and north-east US.

Between 250 and 275 million people in the US will face heat indexes of at least 90F (32C), as the US braces for the hottest weather of the summer averaged across the country.

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Hot streak: US heatwaves lasting longer as record temperatures bake south-west

Phoenix and Californian town of Needles experiencing 70th day in which temperatures have reached 90F

A brutal heatwave is persisting throughout much of the US, with cities across the south-west reaching all-time records for hottest consecutive days. Intense heatwaves are becoming more frequent as a result of the climate crisis, but alarmingly, these streaks of hot days are also lasting longer.

People living in cities in Arizona, California and Texas are entering their second month of days in which the temperature reaches 90F (32.2C) and above. Cities such as Phoenix, and Needles in California, have had no relief from this extreme heat in the past 70 days, with Phoenix recently experiencing three consecutive weeks of temperatures reaching 110F (43.3C) and above.

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Millions on alert as wildfire smoke from Canada to spread to US

Officials issue air quality advisories across US and with nearly 900 forest fires – many of them ‘out of control’ – burning to the north

As they did last month, wildfires in Canada are again expected to spread increased air pollution to the US this week, as millions in the country are under air quality advisories.

About 70 million people could be under air quality alerts as wildfire smoke from western Canada spreads to parts of the northern US and as far south as Alabama, CNN reported.

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Millions in US under warnings as record heat expected to continue next week

South-west and parts of the west hardest hit amid warnings to ‘take heat seriously’ as Phoenix temperature to rise to 118F Sunday

More than 100 million people, around a third of Americans, were under extreme heat advisories this weekend and that record-breaking heat was expected to continue into the new week.

There were advisories from coast to coast, with the south-west and parts of the west hard hit and officials warning that conditions could get worse in Arizona, California and Nevada.

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Severe US weather: California heat puts firefighters on high alert for wildfires; Canada wildfires cause air quality alerts in US midwest – as it happened

Extreme dry conditions raising fire risk; air quality alert for Minnesota took effect at 8am on Friday

Vermont governor Phil Scott said his formal request to President Joe Biden for a major disaster declaration has been approved.

The major disaster declaration unlocks federal disaster funds to assist individuals and communities recover from the devastating floods earlier this week.

The disaster declaration provides federal support for recovery. It’s separate from, and in addition to, the federal emergency declaration the president already signed when he was overseas to help with the initial emergency phase.

It’s incredibly important to get flooded homes, businesses and public buildings as dry as possible to prevent other outcomes like mould. We’re working on resources to help with that.

I’m very grateful for the speed of Fema in the White House. It will open up significant federal resources for communities, individuals, businesses [...] In anticipation of these funds, we are working to develop a concrete list of resources to help impacted Vermonters and making sure it’s as easy as possible for Vermonters to access those.

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Floods, tornadoes, heat: more extreme weather predicted across US

Over a third of Americans under extreme heat warnings as Vermont, still recovering from historic flooding, prepares for more storms

The US is bracing for more extreme weather from coast to coast, with a heatwave hitting California, tornados in the midwest and the east expecting more rain as it continues to reel from historic flooding.

Residents of Vermont, still suffering from an onslaught of dangerous weather in recent days, are preparing for another round of severe storms in the area beginning as early as Thursday night.

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Severe thunderstorm warning for parts of Vermont, New York, Vermont and Ohio Valley – live

Latest storm warning comes just days after areas of Vermont and New York were hit with flash flooding, raising concerns over more damage

Meterologist Ben Frechette from NBC5 reported that a tornado risk is going up slightly in north-eastern NewYork state:

As some parts of the US are sweltering, Vermont was bracing for more rain on Thursday.

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Tornadoes halt Chicago air traffic as residents urged to seek shelter

At least eight tornadoes hit north-eastern Illinois, with no immediate reports of injuries

Tornadoes and thunderstorms battered the Chicago area on Wednesday, forcing airports to halt air traffic and prompting officials to advise residents to seek shelter as tornado sirens echoed through the third largest US city.

The National Weather Service reported that a tornado touched down near Chicago’s O’Hare international airport on Wednesday evening – one of at least eight tornadoes to hit north-eastern Illinois, including four in Cook county.

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Arkansas warned over ‘life-threatening’ flash floods; Florida ocean temperatures hit record high – as it happened

California governor launches campaign aimed at protecting residents from extreme heat; US president says extreme heat and floods linked to climate

The National Weather Service in New Orleans has warned of scattered storms that are expected to deliver flash flooding in the area later today.

Rainfall is expected to reach 2 to 5 inches per hour (or more at times), with the potential flash floods likely to take place mainly from late morning through the evening hours.

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Residents of US south-west swelter under record-breaking heatwave

Relentless temperatures upwards of 100F leave millions under extreme heat warnings and outdoor events cancelled

Record-breaking heat is baking the US south-west this week, putting millions under extreme heat warnings as temperatures upwards of 100F (38C) hit Arizona, Nevada, New Mexico and southern California for days on end.

Even desert residents accustomed to scorching summers are feeling the relentless grip of the heat. Phoenix, which hit a 12th consecutive day of 110F on Tuesday, could see its longest ever heatwave.

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US faces week of dangerous weather with flooding and heatwave alerts

While the north-east was inundated by heavy rains, southern states are gripped by record heat levels predicted to intensify

Deadly flooding in the north-east on Monday coupled with alerts over longer, hotter heatwaves set to boil much of the southern and western US kicked off a week of dangerous weather, as July warnings about the climate crisis intensify.

Rescue teams raced into Vermont after relentless, torrential rain drenched parts of New England and north-east overnight, washing out roads, forcing evacuations and halting some airline travel.

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One dead as heavy rain causes flooding in New York’s Hudson valley

Several people missing as much of rest of north-eastern US braced for potentially punishing rains

Heavy rain washed out roads and forced evacuations in the US north-east on Monday, with more downpours forecast throughout the day. One person in New York drowned as she was trying to leave her home.

The slow-moving storm reached New England. Heavy downpours with possible flash flooding were forecast in parts of Connecticut, New York, Massachusetts, New Hampshire, Vermont and Maine.

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Millions swelter under extreme heat as climate crisis tightens grip on US – live

Heat dome of high pressure hovers over Louisiana, Texas and Oklahoma as thousands remain without power in Chicago with heavy rains knocking down trees and power lines

The heating of the earth’s atmosphere and oceans by the burning of fossil fuels made the current extreme heatwave across the us at least five times more likely, according to a recent analysis by Climate Central, a climate science non-profit.

The rolling heatwave marks the latest in a series of recent extreme “heat dome” events that have scorched various parts of the world.

If you have this sort of high-pressure system sitting stationary over a region, you can have these really impressive heatwaves.

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