A potent weather system will drive a wedge through the heart of the Lower 48 states this weekend (and beyond).
That means daily record warm temperatures in the central and a short treatise on eroticism kotteastern U.S. but unusually chilly weather across a large swathe of the west, including early-season heavy snows in Montana. "Nearly all of the lower-48 will experience temperatures far from what is normal for this time of the year — well above in the east and well below in the west," the National Weather Service noted.
"It will be a tale of two nations," said Jeff Weber, a meteorologist at the University Corporation for Atmospheric Research. "It will be a big contrast."
The weather culprit is the jet stream, a relatively narrow band of high altitude, powerful winds traveling some four to eight miles up in the atmosphere. Like a wall, this band of westerly winds separates colder northern air from warmer southern air.
But critically, this band is often liable to bend and become wavier, allowing colder air to swoop down south and warmer air to travel up north, explained Paul Roebber, an atmospheric scientist at the University of Wisconsin at Milwaukee. And weather forecasters expect a big wave to develop over the coming days.
This Tweet is currently unavailable. It might be loading or has been removed.
This Tweet is currently unavailable. It might be loading or has been removed.
The jet stream will drop down from the north into Montana, Idaho, and other parts of the West. "It's going to open up a door for Arctic and Canadian air," said Weber.
Meanwhile, on the other side of the bent jet stream, a vast zone of warm air, including dry desert air from Mexico, will settle over the central and eastern U.S. "There will be dramatic heat," said Weber. Think peak summertime temperatures, nothing like fall.
A wavy jet stream, though, is not unusual, emphasized Roebber. The jet stream regularly drives weather events. But this is "an amplified weather pattern," he said, as the notably wavy jet will allow a significant, more intense weather contrast to manifest in the Lower 48.
Different processes can cause a jet stream to break down and grow wavy. In this case, the powerful winds hit a zone of higher pressure in the Atlantic, which acts somewhat like a roadblock and will cause the jet stream to "buckle" as if it were running into a wall, explained Weber.
Original image has been replaced. Credit: Mashable The consequences of this early fall weather event will likely mean hundreds of new daily temperature records — both highs as lows. But these days — as Earth's climate has warmed significantly over the last century — daily high records occur significantly more often than low records. In other words, temperatures have been given a boost. Over the last decade, twice as many daily high records have been set as low temperature records in the U.S.
SEE ALSO: U.N. confirms the ocean is screwedWeather extremes will always transpire, but now they're transpiring on a warming, changing globe.
Previous：PAAWWW Panel
Nanka Yamaguchi Kenjinkai to Celebrate New Year
NASA spacecraft has roamed billions of miles — but hasn't reached the 'edge'
USA vs. Haiti 2025 livestream: Watch Concacaf Gold Cup for free
NASA's got new moon spacesuits. They must resist
BetterBabbit и VV возглавили группы на BetBoom Classic: Hearthstone Battleground
The 2 best free VPNs to try in 2025
Meta Oakley smart glasses debut with 3K video, $499 price tag
Best MacBook deal: 2025 M4 MacBook Air for $829
Screening of ‘Nuclear Cattle’ at Art Share L.A.
NASA spacecraft flies over gullies on Mars. They could host pools.
Legend Behind the Camera
NASA reveals new moon landing sites. They're dark and uncharted.
Webb telescope finds first clear evidence of a 'steam world'
Past life on Mars? Here's what new NASA evidence points to.
800 Traction Residents to Hold Art Sale
'28 Years Later' stars Aaron Taylor
Hurricane Helene track update: See the Florida landfall path
Webb telescope zooms in on solar system object shooting jets into space
East West Players Names New Board Members
Alcaraz vs. Rinderknech 2025 livestream: Watch Queens Tennis for free
Minions makes $125M because Gen Z is obsessed with itElon Musk, Jeff Bezos, and the case of the TrumpWhat is digital minimalism and how can it help you reclaim your timeThe 11 best and funniest tweets of the week, including crab rangoon and gargoylesThe cultural roots of slugging, gua sha, rice water, and other viral beauty trendsThis simple air fryer French fry recipe will give you the perfect homemade side dish'What are we doing?' Chris Murphy asks fellow lawmakers in wake of school shooting11 of the weirdest DALLAstrology for beginners: what the common terms on your FYP meanAssembling a DIY PC Speaker System Sober or sober curious? Here's how to date without drinking The Lonely Island's 'Why Not Me?' is the best Oscar moment we'll never have Megan Thee Stallion remixes 'We Don't Talk About Bruno' at the Oscars Google's new 'highly cited' label highlights original reporting on the search engine IPhone camera bump is reportedly getting bigger on the iPhone 14 Pro Elon Musk joins Twitter Board of directors A text message from myself? Here's what to do about those Verizon spam texts. Staten Island warehouse workers vote yes to Amazon Labor Union TikTok's 'Untitled Bridgerton Musical' just won a Grammy How to meditate while driving and charging your electric car
0.1306s , 9940.2890625 kb
Copyright © 2025 Powered by 【a short treatise on eroticism kott】The U.S. will see starkly different, unusual temperatures this weekend,Global Hot Topic Analysis
