Feb 23, 2021
Thunderstorms in Alaska could TRIPLE by the end of the century due to climate change and cause destructive landslides and lightning-induced wildfires, scientists warn
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The National Center for Atmospheric Research (NCAR) warns that if greenhouse emissions are not curbed the number of thunderstorms will triple later this century.
The increase of these violent storms would spark widespread flash flooding, landslides and lightning-induced wildfires.
The studies found that sea ice around Alaska could soon give way to open water and create a substantial amount of moisture.
The moisture will combine with warmer temperatures due to greenhouse emissions, which will form the perfect mixture to fuel storms during the summer months.
Climate change has made its way into Alaska, causing mudslides, wildfires and record-breaking temperatures – but two new studies have added thunderstorms to the list of effects
Alaska seems to have been lost in the mix when it comes to climate change, but data shows it is expected to warm about 11 to 16 degrees Fahrenheit by the end of the century if society does not reduce greenhouse gases.
In Anchorage, Alaska's largest city, warmer temperatures and drier conditions in recent summers have lengthened the fire season across the entire state.RELATED ARTICLES
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And last year, over half of the fires in Alaska were started by lightning.
The two studies were conducted by NCAR and a research team led by scientists at the Paris Sciences and Letters University.
In Anchorage (pictured), Alaska's largest city, warmer temperatures and drier conditions in recent summers have lengthened the fire season across the entire state. And last year, over half of the fires in Alaska were started by lightning
Together they showed that the sea ice around Alaska is on track to largely give way to open water in the warmer months, creating an ample source of moisture.
The substantial amount of moisture plus warmer temperatures from greenhouse emissions is the perfect combination for intense summertime storms.
Basile Poujol, a scientist with the Paris Sciences and Letters University and lead author of both studies, said: 'We suspect that the increasing number of thunderstorms might have significant impacts, such as amplifying spring floods or causing more wildfire ignitions.'
The increase of these violent storms would spark widespread flash flooding, landslides and lightning-induced wildfires
'Further studies are necessary to determine whether these impacts are likely to occur and, if so, their potential effects on ecosystems and society.'
However, the team also notes that the destructive events could be avoided simply by curbing emissions.
For the first paper, which focused on how Alaskan thunderstorms may change later this century, researchers compared computer simulations of the state's current-day climate with what is expected at the end of the century.
The team used a storm-tracking algorithm and the NCAR-based Weather Research and Forecasting (WRF) model to create simulations of Alaska's weather and climate.
The results showed that thunderstorm frequency south of the Yukon River increased from about once a year to every month during the warm season.
Hourly rainfall rates increased noticeably, ranging up to 37 percent higher in the cores of storms.
However, thunderstorms were found to appear in places they are not know to hit, such as the North Slope and West Coast.
The second paper focused on the reasons for the increase in thunderstorms.
The team applied applied a specialized model to trace air parcels back to their sources using the WRF, along with other models that created a simulated atmosphere over Alaska, including temperature, water vapor and seasonal sea ice cover.
NCAR scientist Maria Molina, a co-author of the second study, said: 'Our goal was to determine the sources of moisture and associated changes that would fuel such a significant increase in thunderstorms over Alaska.'
The results showed that moist air masses from ice-free regions of the Gulf of Alaska, Bering Sea and Arctic Ocean will be an abundant fuel for storms.
The warmer atmosphere will experience increasingly powerful thunderstorms that are more likely to organize and form large-scale clusters, increasing the potential for heavy rain and lightning.
'The potential for flash flooding and landslides is definitely increasing, and the Arctic is becoming way more flammable,' Prein said. 'It's hard to grasp what the ecological changes will be in the future.'
News Source: dailymail.co.uk
Tags: topics index alaska’s largest largest city largest greenhouse emissions the potential to climate change simulations and last year alaska could in anchorage the increase to determine the perfect over alaska is expected
Trump vows to campaign against ‘disloyal’ GOP Sen Murkowski after she ‘struggled’ to support him in past
DONALD Trump has vowed to campaign against "disloyal" GOP Sen Lisa Murkowski after she "struggled" to support him in the past.
The former president said Murkowski - who has held her seat since 2002 - represents Alaska "badly" and he will not be endorsing her in her reelection bid next year.4President Donald Trump pictured with Lisa Murkowski in June 2017Credit: Getty Images - Getty 4Murkowski voted to convict Trump in last month's impeachment trialCredit: Rex Features
Murkowski has been a longtime critic of Trump and was one of seven Republican senators to vote to convict him in last month’s impeachment trial.
But of those seven senators, she is the only one to face reelection in 2022.
She also called on him to resign following the Capitol riots on January 6.
Trump has criticized the senator for advancing the nomination of Rep. Deb Haaland to serve as interior secretary - saying it was an example of her "not standing up for Alaska".
And he vowed to make the 5,000-mile journey from his Mar-a-Lago resort in Florida to Alaska to campaign against Sen. Murkowski.
In a statement, the former president said: "I will not be endorsing, under any circumstances, the failed candidate from the great State of Alaska, Lisa Murkowski.
"She represents her state badly and her country even worse.
"I do not know where other people will be next year, but I know where I will be – in Alaska campaigning against a disloyal and very bad Senator.
"Her vote to advance radical left Democrat Deb Haaland for Secretary of the Interior is yet another example of Murkowski not standing up for Alaska."4Murkowski said she was 'struggling' to support TrumpCredit: Rex Features
Trump called the senator out during his speech before the Conservative Political Action Conference last weekend - along with the other Republicans who backed his impeachment.
Last month, Sen. Murkowski said she was aware that her critic of Trump and her vote to convict him on impeachment may damage her chances of reelection next year, but added she could not be afraid of that.
She said: "I know that my actions, my vote may have political consequences. And I understand that. I absolutely understand that. But I can't be afraid of that."Most read in US NewsBreakingNEW COVID RULESVaccinated Americans can meet in groups indoors without masks or distancingTURNING ON NANCYDems slam Pelosi over ‘disgusting’ Covid bill after caving on $15 min wage'UNFORGIVABLE'Meghan blaming treatment on 'blackness' is 'sick scapegoating', says CandaceINHERITANCEHow many children do MacKenzie Scott and Jeff Bezos have?DEJA VURoyal fans recall duchess' chat with Oprah ahead of Meghan and Harry's interview'CHECK & BALANCE THEM'Lindsey Graham says Trump has 'a dark side' but could strengthen GOP
The former president - who received 53 percent of the vote in Alaska in the 2020 election - already vowed to campaign against the senator's reelection last year after Murkowski said she was "struggling" to support him in his reelection because of the way he handled the George Floyd protests.
He tweeted in June: "Few people know where they’ll be in two years from now, but I do, in the Great State of Alaska (which I love) campaigning against Senator Lisa Murkowski.
"Get any candidate ready, good or bad, I don’t care, I’m endorsing. If you have a pulse, I’m with you!"4Trump said he will not be endorsing the senator in her reelection bidCredit: AFP or licensors Republican Senator Murkowski calls on Trump to resign