Post-tropical cyclone Fiona hits eastern Canada with hurricane-force winds

Storm surges and heavy rainfall expected before weather event gradually weakens this weekend, say meteorologists

A powerful storm has hit eastern Canada with hurricane-force winds nearly a week after devastating parts of the Caribbean.

The US National Hurricane Centre (NHC) said the centre of Fiona, which transformed from a hurricane into a post-tropical cyclone late on Friday was crossing eastern Nova Scotia, bringing high winds and heavy rains.

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Weather tracker: storms batter Alaska, Caribbean and Japan

Hurricane causes blackout across Puerto Rico while typhoon forces 8m to flee homes in Japan

It has been very active across the Atlantic and Pacific Oceans in recent days with more than five storms officially named.

Hurricane Fiona in the Caribbean was the first storm of the tropical Atlantic season to strengthen into a major hurricane. Fiona made landfall on Sunday across south-western Puerto Rico, where it dumped 762mm (30in) of rain with sustained gusts of 115mph.

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Queensland and NSW brace for flash flooding as more than 20cm of rain falls in three hours

Weather experts predict already soaked river catchments will remain flooded over coming months

Communities on the Queensland-New South Wales border are on high alert for flash flooding after more than 20cm of rain fell in three hours in some areas.

An intense weather system moved east overnight across the Gold Coast and the already soaked NSW’s northern rivers, prompting emergency text messages to be sent to some residents.

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Warnings over floods and landslides in Japan in wake of Typhoon Nanmadol

Two dead and thousands without power as storm dumps heavy rain and authorities warn six million to evacuate

Two people have died and more than 100 were injured after Typhoon Nanmadol slammed into Japan on Monday, dumping heavy rain, paralysing traffic and leaving tens of thousands of homes without power.

The worst of the rainfall was seen in the southernmost island of Kyushu, where two people died, according to the fire and disaster management agency, before the typhoon was downgraded to a tropical storm as it made its way to the Pacific Ocean.

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Alaskans continue to grapple with fallout from typhoon-related flooding

Rising waters brought power outages, damage and concerns over surviving the winter as downpours also affected California

Floodwaters in Alaska are receding after the remnants of a powerful typhoon pummeled the state’s western coastline. But residents are continuing to grapple with power outages, water damage and concerns about how to survive the coming winter.

This weekend, a low-pressure system spinning out from Alaska made its way down the coast to northern California, bringing rare September rain to the region. The downpours aided efforts to contain the 19 sq mile (49 sq km) Mosquito fire in the Sierra Nevada foothills, but raised new concerns.

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Weather tracker: Deadly floods batter Italy’s Adriatic coast

Ten people confirmed dead with three missing; Typhoon Nanmadol forces millions to flee homes in Japan

European countries around the Adriatic Sea were experiencing extreme flooding towards the end of last week.

The Italian region of Marche was particularly badly affected after a thunderstorm on Thursday afternoon strengthened into the night. Some areas faced more than 400mm of rain, with much of the deluge falling in a couple of hours.

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Rare ‘special warning’ issued as violent typhoon makes landfall in Japan

More than 7 million people urged to take refuge as Typhoon Nanmadol hits south-west of country with 150mph winds

Typhoon Nanmadol made landfall in south-western Japan on Sunday night, with authorities urging millions of people to take shelter from the powerful storm’s high winds and torrential rain.

The storm officially made landfall at about 7pm local time (11am BST) as its eyewall – the region just outside the eye – arrived near Kagoshima, the Japan Meteorological Agency (JMA) said.

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Beachfront homeowners push to extend Collaroy seawall to protect property from erosion

Northern Beaches council considers plan to add 80 metres of controversial concrete wall as massive swells batter coastal properties in Sydney

What some consider the ugliest wall in Australia could soon be bigger, with residents pushing to extend the Collaroy seawall on Sydney’s northern beaches.

Northern Beaches council has received a new application by five local property owners to build two new sections of the wall in front of their properties to protect the homes from coastal erosion and massive swells.

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Japan tells 2m to shelter from ‘very dangerous’ Typhoon Nanmadol

Authorities urge evacuations in Kyushu before arrival of storm that could cause flooding, landslides and collapse of houses

Two million people in Japan have been told to seek shelter before the arrival of Typhoon Nanmadol, the national broadcaster, NHK, said, as the weather agency issued a rare “special warning” about the powerful storm.

NHK, which compiles alerts issued by local authorities, said level four evacuation instructions – the second highest – were in place for people in Kagoshima, Kumamoto and Miyazaki in the southern Kyushu region.

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Severe storm headed for Alaska could bring devastating levels of flooding

In what could be the worst storm in five decades, residents are warned to take action against rising waters that may not recede for hours

Alaska is bracing for what forecasters believe could be its worst storm in decades, as the remnants of a typhoon bring hurricane-force winds and towering waves crashing toward its shores.

The remnants of Typhoon Merbok, now swirling over the Bering Sea, are predicted to deliver devastating levels of flooding and damaging wind gusts beginning Friday night and lasting through the weekend..

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Body of missing woman found after California mudslides

Doris Jagiello went missing after thunderstorms triggered mudslides in the San Bernadino Mountains

A woman has been found dead under a pile of mud, rocks and other debris after flash floods unleashed mudslides that swept through her town in the southern California mountains.

Authorities had been searching for the missing woman for days after thunderstorms and heavy rain triggered mudslides that washed away cars, buried homes and affected 3,000 residents in two remote communities in the San Bernardino Mountains.

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Pakistan floods ‘made up to 50% worse by global heating’

Study says climate crisis likely to have significantly increased rainfall and made future floods more likely

The intense rainfall that has caused devastating floods across Pakistan was made worse by global heating, which has also made future floods more likely, scientists have found.

Climate change could have increased the most intense rainfall over a short period in the worst affected areas by about 50%, according to a study by an international team of climate scientists.

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‘We are drowning’: Pakistan floods push toxic lake over edge

Heavy rain compounds decades-long environmental catastrophe at country’s largest freshwater lake

Maula Bakhsh Mala’s village was submerged by Lake Manchar for the third time last week. “What bad luck we have,” said the 68-year-old fisher. “When there is no water in the lake, we are starving. When there is plenty of water, we are drowning.”

Late last month, after weeks of heavy rain and flooding, Pakistan declared a state of emergency. The UN secretary general, António Guterres, has described the rain as a “monsoon on steroids”. Earlier this month, satellite images showed one-third of the country has experienced severe flooding.

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Pakistan rushes to protect key power station as flood threat rises

Army working to protect electricity station that serves millions of residents in Sindh province, with more rain forecast this week

Authorities in Pakistan are scrambling to protect a vital power station supplying electricity to millions of people against a growing threat of flooding, officials said.

Floods from record monsoon rains and glacial melt in the mountainous north have affected 33 million people and killed almost 1,400, washing away homes, roads, railways, livestock and crops, in damage estimated at $30bn.

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UN chief views ‘unimaginable’ damage in visit to Pakistan’s flood-hit areas

António Guterres calls for ‘massive financial support’ in wake of disaster that has killed at least 1,391 people

The United Nations secretary general, António Guterres, has visited several areas of Pakistan ravaged by floods, as he rounded off a two-day trip aimed at raising awareness of the disaster.

Record monsoon rains and glacier melt in the country’s northern mountains have triggered floods that have killed at least 1,391 people, sweeping away houses, roads, railway tracks, bridges, livestock and crops.

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California fights to control raging wildfires as threat of flash floods grows

Southern California prepares for arrival of tropical storm that could affect power grid, while crews work to subdue growing fires

Tropical Storm Kay surged toward California on Friday, whipping up strong gusty winds and threatening to fuel ferocious wildfires already burning across the state.

After days of record-breaking heat that tested California’s energy capacity, baked moisture out of the drought-stricken landscapes and spurred the spread of deadly fires , the arrival of Kay, which started as a hurricane but was downgraded to a tropical storm, brought risks of flash floods and threatened more trouble for the state’s electric grid.

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UN chief appeals for ‘massive’ help as flood-hit Pakistan puts losses at $30bn

Countries most responsible for climate crisis must ‘end war with nature’, says António Guterres

The UN secretary-general, António Guterres, has said the world owes impoverished Pakistan “massive” help in recovering from the summer’s devastating floods because the country bears less blame than many others for the climate crisis.

Months of heavy monsoon rains and flooding have killed 1,391 people and affected 33 million while half a million people have become homeless. Planeloads of aid from the United States, the United Arab Emirates and other countries have begun arriving, but Guterres said there is more to be done to help a country which contributes less than 1% of global emissions.

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Fires, heat … a hurricane? California’s ‘most unusual’ week of extreme weather

A record heatwave added stress to the electrical grid and made firefighting difficult. Now a hurricane could bring flash floods

A collision of extreme weather events is bearing down on California as wildfires threaten communities, a record-setting heatwave is adding stress to the electrical grid, and moisture from a hurricane is expected to bring thunderstorms and flash floods.

Hurricane Kay, swirling off the coast of Mexico, is on its way north, bringing with it the chance of strong winds, severe rainstorms, and possibly dry lightning that could increase risks for new fire starts. It also could bring some welcome relief to the week of brutally hot weather.

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Temperatures smash records in US west as brutal heatwave continues

Records broken in Sacramento and Reno, while California close to ordering rolling blackouts to ease strain on power grid

A brutal heatwave enveloping the US west smashed records on Tuesday, as high temperatures and historic energy use strained California’s grid to the brink of its capacity and spurred fire behavior across the state.

Western states are struggling through one of the hottest and longest September heatwaves on record.

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Hateful tweets multiply in extreme temperatures, US analysis finds

Scientists logged rises of up to 22% in racist and misogynist tweets when temperatures rose above 42C

Hateful tweets multiply dramatically as temperatures become more extreme, an analysis of 4bn geo-located tweets in the US has found.

Scientists logged rises of up to 22% in racist, misogynist and homophobic tweets when temperatures rose above 42C, and increases of up to 12% when the mercury fell below -3C, according to a study by The Lancet Planetary Health.

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