Caitlin Connell

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Much of the Upper Midwest and Northern Great Plains poses a risk for flooding on Tuesday, thanks to the <a target="_blank" rel="noopener noreferrer nofollow" href="https://www.weathernationtv.com/news/storm-threat-pushes-into-midweek">possibility of severe storms</a>. Some parts of Iowa, Minnesota, and Wisconsin pose the risk of seeing 2-4+" of rain in the next few days. One of the factors of this flood threat is that the ground is fairly to very saturated in many of these states already. This heightens the flood risk that we have headed into the middle of the workweek.<img src="https://media.weathernationtv.com/app/uploads/2024/05/Screenshot 2024-05-21 052128-1716290848416.png">Preemptively, there's an abundance of flood alerts issued through the arrowhead of Minnesota, stretching through Iowa, and reaching into central Nebraska. <img src="https://media.weathernationtv.com/app/uploads/2024/05/alerts-1716291646750.png">Early Tuesday morning was responsible for flash flood warnings in and around Omaha and Des Moines. It's likely that much of these areas, and the surrounding spots, have already seen 2-4+". This is not a good thing considering more storms are on the way later today. We saw reports of roadways and interstates flooding early on Tuesday. Below is the view from I-80 as you're nearing or leaving the I-480 split, just north of the Henry Doorly Zoo. <img src="https://media.weathernationtv.com/app/uploads/2024/05/ndor-1716292013933.png">

Upper Midwest Flood Risk

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<div>Lucy is originally from the Boston area but has spent the last four years forecasting and living in Colorado! She stayed in the northeast for her education, graduating Summa Cum Laude from SUNY Oswego with a B.S. in Meteorology. Just a few days after graduation, she made the cross country move to Colorado Springs, CO to begin her career at KKTV, the CBS affiliate. Lucy has covered historic blizzards, tornadoes, windstorms, the largest wildfires in Colorado state history and dust storms ... they truly "get it all" in Colorado! Lucy is excited to forecast on a national level and continue her passion of explaining the science behind the weather!</div>
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Lucy Bergemann

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Multiple low-pressure systems eject from the Rockies and move through the Plains, keeping the forecast active with multiple severe weather chances. More energy and storm potential come into play on Tuesday and Wednesday. A MODERATE risk (level 4 out of 5) has been issued for the Quad Cities and surrounding region on Tuesday.<h2>Tuesday</h2>There is a widespread ENHANCED risk in the Upper Midwest with a MODERATE risk through Iowa, southwest Wisconsin, and northwest Illinois (see above). The Storm Prediction Center (SPC) has issued a significant tornado threat for Des Moines, Davenport, and Madison. This also comes with a risk for extremely strong winds, where gusts of 75+ mph are possible, and large hail towards Omaha and western Iowa along with the northern suburbs of Kansas City.<img src="https://media.weathernationtv.com/app/uploads/2024/05/sig severe-1716287308040.png">A low develops and strengthens providing lift and instability changes to support severe storm development. After morning storms start to dissipate, a secondary line of storms develops along the cold front Tuesday afternoon and evening posing the risk of tornadic supercells and strong winds through eastern Nebraska, Iowa, and Illinois.<video src="https://media.weathernationtv.com/app/uploads/2024/05/2024-05-21 04-25-11-1716287219431.mp4" controls="true" width="100%"></video><h2>Wednesday</h2>The same front that produces severe storms on Tuesday moves east on Wednesday with the threat of severe weather from San Angelo, TX to Buffalo, NY. The primary threats are pockets of large hail and damaging wind gusts. A few storms start the day in the Mississippi delta with additional storm development around the area of low pressure moving through southern Missouri. We will see individual storm cells cluster into a line of storms on Wednesday evening pushing through the Midwest and Midsouth with heavy rain and damaging winds along with embedded tornadoes.<video src="https://media.weathernationtv.com/app/uploads/2024/05/2024-05-21 04-35-11-1716287737327.mp4" controls="true" width="100%"></video>Flooding will be possible, with the risk of 2-4"+ of rain in the Upper Midwest. These regions have been particularly wet over the last couple of months so additional rainfall could quickly flood fields and make for high-running rivers, creeks, and streams.<img src="https://media.weathernationtv.com/app/uploads/2024/05/forecast precip-1716289612408.png">

Hurricane Force Winds, Tornadoes for the Midwest this Week

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We've already seen our fair share of <a target="_blank" rel="noopener noreferrer nofollow" href="https://www.weathernationtv.com/news/storms-ripped-through-the-plains-sunday">strong storms for the start of this week</a>, including multiple EF-2 tornadoes in the Oklahoma City metro. (see below), but we can't let severe weather fatigue get the best of us. Our multi-day severe threat started on Sunday but continues through the middle and end of this week. <img src="https://media.weathernationtv.com/app/uploads/2024/05/TORNADO REPORT -1716258531988.png">Through tonight all forms of severe weather are possible, so we could see a few tornadoes spin up, large hail, and damaging winds. Specifically, the last two pose the highest risk with significant threats for 2"+ in diameter hailstones and 75+ mph wind gusts.<img src="https://media.weathernationtv.com/app/uploads/2024/05/sigs-1716223979157.jpg">Storm development occurs off the spine of the Rocky Mountains before moving east and hitting the warm, moist air over the Plains. The storms forming along the CO/WY/NE line start as supercells with large hail, damaging winds, and a tornadic potential. Unfortunately, there is the potential of an overnight severe threat into Tuesday morning as these supercells cluster into a line of storms in South Dakota and Nebraska. You must have multiple ways to get weather alerts in a fashion that can wake you up if need be.<video src="https://media.weathernationtv.com/app/uploads/2024/05/tuesday plains-1716258911923.mp4" controls="true" width="100%"></video>As the severe threat lingers into the middle of the workweek, check out <a target="_blank" rel="noopener noreferrer nofollow" href="https://www.weathernationtv.com/news/storm-threat-pushes-into-midweek">this article</a> for the details and timing.

Jackie Brown

Monday Forecast: Severe Weather in the Great Plains

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More severe weather is ahead for the southern Plains from Tuesday through Thursday as an area of low pressure and dryline builds. A few supercells develop in the heat of the day on Tuesday and move through Oklahoma and southern Texas. Most of these fade through sundown but a few storms linger into the overnight hours.<video src="https://media.weathernationtv.com/app/uploads/2024/05/txtue-1716258517843.mp4" controls="true" width="100%"></video>An area of low pressure arrives in the southern Plains on Wednesday aiding with lift for storm development during the afternoon and evening hours. Individual storms develop into a line that pushes through eastern Oklahoma and northern Texas by Wednesday night with a damaging wind threat and embedded tornadoes possible.<video src="https://media.weathernationtv.com/app/uploads/2024/05/txwed-1716258545567.mp4" controls="true" width="100%"></video>On Thursday the Storm Prediction Center issued another outlook including Dallas, Oklahoma, Tulsa, and Shreveport for the risk of severe storms. There will be a large moisture surge across the southern Plains on Thursday which will aid in storm development. Stay with WeatherNation as we get closer to Thursday's risk.<img src="https://media.weathernationtv.com/app/uploads/2024/05/thu spc-1716214098088.jpg">

Dave Holder

Multi-day Severe Weather Threat in the Southern Plains

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Boeing’s Starliner spacecraft approaches the International Space Station on May 20, 2022. Credit: NASATomorrow Boeing's Starliner Crewed test flight is hoping to launch from Kennedy Space Center in Florida. The Starliner was originally supposed to launch on Monday, May 6th but has been delayed two weeks due to a mechanical issue. According to Boeing, "Starliner teams are working to resolve a small helium leak detected in the spacecraft’s service module traced to a flange on a single reaction control system thruster. Helium is used in spacecraft thruster systems to allow the thrusters to fire and is not combustible or toxic."This mission is the second of the Boeing-NASA contract which included one uncrewed mission in May 2022, this first test crew mission and six more trips to the ISS.<div class="twitter-tweet" style="display: flex; justify-content: center" data-twitt-post-id="1787689554905833889" src="https://twitter.com/BoeingSpace/status/1787689554905833889"></div>The launch was then rescheduled for May 10th and then May 17th but crews needed additional time to test the spacecraft and ensure it was safe. The Starliner will launch carrying two astronauts - Butch Wilmore and Suni Williams - to the International Space Station, now set for 4:43 PM ET on Tuesday, May 21st. The Saturn IV rocket and Starliner remain on the launchpad awaiting their next opportunity to launch. According to Boeing, "About 15 minutes after launch, Atlas' Centaur upper stage shuts down, sending Starliner on its way to the International Space Station."So how is the forecasting looking for launch? Right now skies look to be clear around Cape Canaveral so the weather won't be a huge interrupter for the forecast. For Starliner to launch the weather must have winds below 31 mph, no thunderstorms or lightning in the landing area or waves above 13.1 feet. Right now, none of that is in the forecast.<img src="https://media.weathernationtv.com/app/uploads/2024/05/forecast-1716215185212.jpg">If you're planning to watch the launch, temperatures in and around the Space Coast will be in the low and mid 80s. Be sure to pack water and wear sunscreen!<img src="https://media.weathernationtv.com/app/uploads/2024/05/tuesday highs-1716215233349.jpg">

Starliner Spacecraft Set to Launch Tuesday from Florida

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Large hail and intensely strong winds made their presence known in the Plains on Sunday. Winds as high as 100 mph were reported Sunday afternoon in Kansas and hail as large as 3" in diameter in the city of Ellis. In addition to this, a tornado emergency was issued for Custer City, Oklahoma. This storm went on to produce a tornado outside of the Oklahoma City Metro. Two EF-2 tornadoes were confirmed in Oklahoma City during storm surveys on Monday. <img src="https://media.weathernationtv.com/app/uploads/2024/05/norman-1716236643721.jpg">Related article: <a target="_blank" rel="noopener noreferrer nofollow" href="https://www.weathernationtv.com/news/severe-storms-to-start-the-week-in-the-midwest">Severe Storms to Start the Week in the Central U.S.</a><div class="twitter-tweet" style="display: flex; justify-content: center" data-twitt-post-id="1792354591511822703" src="https://twitter.com/NWStornado/status/1792354591511822703"></div>This video came out of Custer City, OK, where the tornado emergency was issued on Sunday. A pretty terrifying sight with the strong winds ripping through this property, picking up tree limbs and all other sorts of debris.<video src="https://media.weathernationtv.com/app/uploads/2024/05/VO_051924_RSC_CUSTER CITY, OK_INTENSE STORM PASSES BY THIS BARN_EMMA CLEMENT WXCHASING_WHATSAPP_MR_E052024-1716200897218.mp4" controls="true" width="100%"></video>Newton, KS took a direct from a severe wind storm on Sunday. Our Field Correspondent, Brett Adair, took the compilation of videos below, including some damage from town. A wind gust over 100 mph was registered along I-70 in Salina, KS with widespread wind gusts over 70 mph in the Garden State - that is the equivalent to a CAT1 hurricane. <video src="https://media.weathernationtv.com/app/uploads/2024/05/VO_051924_RNC_NEWTON, KS_LONGER CLIP OF STORMS ROLLING THROUGH NEWTON FOR SOCIAL OR INTERVIW_BRETT ADAIR_CDN_MR_E052024-1716202039858.mp4" controls="true" width="100%"></video>The severe reports were abundant with most places having to deal with extreme, hurricane-force winds, and giant hail. The red dots indicate where tornado reports came from. A few landspouts were spotted in eastern Colorado but didn't cause any damage. <img src="https://media.weathernationtv.com/app/uploads/2024/05/severe reports-1716201380746.png">

EF-2 Tornadoes Hit OKC Metro Sunday

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Kevin Schneider

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A surface cold front moving south across Florida will continue to push scattered thunderstorms through the area. We may even acquire some supercell thunderstorms that could pose a risk of large hail and damaging winds.<video src="https://media.weathernationtv.com/app/uploads/2024/05/2024-05-20 12-45-52-1716230782969.mp4" controls="true" width="100%"></video>Monday's SPC outlook is a MARGINAL (level 1 out of 5) risk. This is a low-end threat, but a slightly unstable environment could support storms capable of severe wind or hail in Southeast Florida.<img src="https://media.weathernationtv.com/app/uploads/2024/05/Florida Marg-1716206798934.png">The other factor in Florida will be hot temperatures thanks to the high moisture content of the air and a ridge of high pressure that keeps temperatures soaring into the 90s. It will feel more like the 100s today for many cities in South Florida.<img src="https://media.weathernationtv.com/app/uploads/2024/05/HI-1716213297187.jpg">Could these storms affect a launch scheduled for Tuesday? Read more about that forecast <a target="_blank" rel="noopener noreferrer nofollow" href="https://www.weathernationtv.com/news/starliner-spacecraft-set-to-launch-tuesday-from-florida">HERE.</a>

Isolated Storms in Florida Could Be Severe

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Alana Cameron was born and raised in Canada in the city of Mississauga, just outside of Toronto. Alana is the oldest of 4 siblings, all close in age, and grew up playing outside with them in all types of weather. After graduating high school, Alana moved to study at the University of British Columbia in Kelowna for a year before transferring to Dalhousie University in Halifax, Nova Scotia where she completed a Bachelor of Science in Physics and Atmospheric Science. Upon completion, Alana moved back to Toronto where she completed a post-grad degree in Meteorology at York University. After her post-grad, she went on to complete another post-grad in Broadcast Journalism - TV News at Fanshawe College in London, Ontario. During her final year of studies she had the privilege of interning with the best in the business in Canada at The Weather Network. Once she finished her internship, she got the call from small-town Denison, Texas where she accepted a job as an on-air meteorologist at KTEN-TV, right in tornado alley, covering severe weather from Sherman/Denison (North Texas) to Ada (Southern Oklahoma). After the most active tornado season Oklahoma had seen in May 2019 (105 tornadoes!) Alana is excited to join WeatherNation to cover weather all across the nation. If you're interested in following her on social media she can be found @alanacameronwx!

Alana Cameron

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NORTHWEST - It's been a dry season for many ski resorts in the western U.S. with most of our top ski resorts suffering with one of the worst ski seasons in 10 years. For example, Stevens Pass in Washington State averages 460" of yearly snowfall and this season (2023-2024) we have only received 168" of snowfall. There is still more season to go so don't give up just yet.<img src="https://media.weathernationtv.com/app/uploads/2024/02/tevens-1707686867986.png">Many ski resorts across the Pacific Northwest and into the Rocky Mountains have seen well below-average seasonal snowfall.<img src="https://media.weathernationtv.com/app/uploads/2024/02/uid-1707686914503.png">The good news is that there is snowfall in the forecast for some of these areas, including northern Idaho and Montana that are under winter weather advisories tonight through Monday midday. Snowfall totals are expected to be between 1"-3" with isolated totals up to 6".<img src="https://media.weathernationtv.com/app/uploads/2024/02/winter alerts-1707738057243.png"><img src="https://media.weathernationtv.com/app/uploads/2024/02/forecast snow-1707738091311.png">In addition to northern Idaho and Montana, other areas in the northwest will see snowfall to start the week and continue through the next couple of days.<img src="https://media.weathernationtv.com/app/uploads/2024/02/forecast snow-1707738131400.png">Here's a look at the forecast timing over the next couple of days as waves of activity move into the northwestern United States.<video src="https://media.weathernationtv.com/app/uploads/2024/02/2024-02-12 04-42-32-1707738356095.mp4" controls="true" width="100%"></video>

Slow Start to the Northwestern U.S. Ski Season

Upper Midwest Flood Risk

Much of the Upper Midwest and Northern Great

Hurricane Force Winds, Tornadoes for the Midwest this Week

Multiple low-pressure systems eject from the

Monday Forecast: Severe Weather in the Great Plains

We've already seen our fair share of strong s

Multi-day Severe Weather Threat in the Southern Plains

More severe weather is ahead for the southern

Starliner Spacecraft Set to Launch Tuesday from Florida

Boeing’s Starliner spacecraft approaches the

EF-2 Tornadoes Hit OKC Metro Sunday

Large hail and intensely strong winds made th

Isolated Storms in Florida Could Be Severe

A surface cold front moving south across Flor