Tracey Anthony

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The weather pattern remains favorable for heavy rain in the southern plains through Thursday. The area is still recovering from the heavy rain last weekend, meaning flash flooding could become a big concern, especially after widespread totals of 1-2" with the morning round of storms Tuesday, completely saturating the top layer of soil. Oklahoma City was under a Flash Flood Warning Tuesday AM with reports of creeks overflowing and basements flooding. The National Weather Service has issued a FLOOD WATCH into Thursday morning across portions of Oklahoma, Arkansas, Missouri, Kansas, and Texas.Models have begun to align on the location of where this stationary boundary stalls out mid-week. Heavy rain will likely be the result of strong/severe storms. To read more on the severe threat, check out: <a target="_blank" rel="noopener noreferrer nofollow" href="https://www.weathernationtv.com/news/Severe%20Threat%20Continues%20for%20the%20Southern%20Plains">Dryline Thunderstorms</a><img src="https://media.weathernationtv.com/app/uploads/2025/04/Screenshot 2025-04-29 123455-1745951726119.png">A moderate risk means numerous flash flooding events with significant impacts are possible. Many streams may flood, potentially affecting larger rivers.<img src="https://media.weathernationtv.com/app/uploads/2025/04/Screenshot 2025-04-29 123546-1745951761697.png"><img src="https://media.weathernationtv.com/app/uploads/2025/04/Web 6-1745845102341.png">So far, April has been extremely wet for the mid-Mississippi Valley, and cities such as Memphis are already at their 2nd wettest April on record, with more rain chances in the next two days.<img src="https://media.weathernationtv.com/app/uploads/2025/04/Web 2-1745844857601.png">For more details, be sure to join us on WeatherNation!

Alana Cameron

Level 3 Flood Threat Issued for the Southern Plains

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Originally born in Spokane, Washington,  Jackie's Dad was in the Air Force which led her to a life of travel. She has lived in Wichita, Okinawa, Japan, Baltimore, New Jersey, Indiana and South Carolina.  After graduating from Kadena High School, in Okinawa Japan, she got a full basketball scholarship to Coppin State College. On the court she was a 4-year starter and reached over 1000 points in her basketball career. She was also named Athlete of the Year for the whole university in 2002. Off the court, she earned a degree in Broadcast Production/English.

After college, she landed a job as a radio personality. Jackie went on to have a successful career for 12 years working at KXLY broadcast center. While on the radio, she decided to change career. Jackie went back to school, graduating from the Mississippi State Meteorology Broadcast Program. From snow, to tornadoes, to hurricanes, she has had experience forecasting all these events.

Jackie Brown

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Severe storms dominated portions of the southern plains, Midwest, and northeast today, and a severe threat remains in place overnight from Burlington, Vermont, down through San Angelo, Texas.<h1>SOUTHERN END</h1>Strong updrafts provided the support needed in the atmosphere to grow large hailstones. We saw large hail today in Texas. Hailstones reached 5 inches in Guthrie, Texas. To put that into perspective, that is the size of a DVD!! In Girard, Texas hailstones reached 4 inches, the size of a softball. Both of these sizes can cause major damage!<img src="https://media.weathernationtv.com/app/uploads/2025/04/texas haillff-1745975175422.png">A significant severe threat remains overnight for portions of Texas and Oklahoma. Wind gusts of 75+ mph are possible, and the large hail threat will continue.<img src="https://media.weathernationtv.com/app/uploads/2025/04/overnighttttd-1745976180451.png"><h1>NORTHERN END</h1>An isolated tornado risk remains in place overnight for cities like Cleveland, Syracuse, and Buffalo. Storms and this threat will taper off through the overnight hours in the Northeast, but anything that lingers will have the potential to be strong to severe.<img src="https://media.weathernationtv.com/app/uploads/2025/04/overnight tor risk-1745976238745.png"><h1>TIMING</h1>Thunderstorms continue ahead and along this cold front, producing all threats of severe weather, including tornadoes, hail, and damaging winds. While storms wind down tonight in the northeast, they will continue cranking in the southern Plains of Oklahoma overnight and into Wednesday morning.<video src="https://media.weathernationtv.com/app/uploads/2025/04/eeeewww-1745976383462.mp4" controls="true" width="100%"></video>

Severe Storms Possible Overnight

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Chris Tomer

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A deep trough of low pressure is sliding through the Rockies and onto the Plains, bringing unsettled weather to the region. Widespread rain and high-elevation snow will continue through Thursday.<h1>How Much Accumulation?</h1>The highest peaks of Wyoming, Montana, and Colorado could see over 6 inches of accumulation by Thursday morning.<img src="https://media.weathernationtv.com/app/uploads/2025/04/tomer west forecast precip-1745952612901.jpg">Denver and the Front Range of Colorado has two shots of rain/snow coming. The first arrives Tuesday afternoon and the second Wednesday afternoon into Thursday morning. Locations above 9,000ft could see several inches of snow accumulation. Expect rain across lower elevations.<img src="https://media.weathernationtv.com/app/uploads/2025/04/tomer co precip forecast-1745952679373.jpg"><h1>Timing</h1><video src="https://media.weathernationtv.com/app/uploads/2025/04/csdss-1745976549697.mp4" controls="true" width="100%"></video><h1>Closing Dates</h1><img src="https://media.weathernationtv.com/app/uploads/2025/04/tomer ski closing dates-1745778957875.jpg">Enjoy the slopes while you can! Stay with WeatherNation for the latest.

Another Shot of Snow in the Western Mountains

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Kevin Schneider

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Fire weather concerns have been all too common in the northeast this month. The Jones Road Fire has burned over 15,000 acres but the containment has crept up to 75%<div class="twitter-tweet" style="display: flex; justify-content: center" data-twitt-post-id="1916917497808167300" src="https://x.com/njdepforestfire/status/1916917497808167300"></div>The winds will kick up again this afternoon, so any additional grass fire that ignites could spread quickly.<img src="https://media.weathernationtv.com/app/uploads/2025/04/Screenshot 2025-04-29 124943-1745958299557.png">As dry as it is, we're only waiting on some wind to stir up fire concerns. Today, the winds will gust to 30 mph. Another soaking rain will go a long way in helping out. Rain that comes without severe chances would be niceRelated Article: <a target="_blank" rel="noopener noreferrer nofollow" href="https://www.weathernationtv.com/news/severe-storms-possible-from-new-york-to-texas-today">Severe Storms Threaten the Northeast Today</a>But wait! There's moreAll of that unsettled weather in the southern plains will pull into the northeast later this week, so keep the rain jacket close by!<img src="https://media.weathernationtv.com/app/uploads/2025/04/Screenshot 2025-04-29 073918-1745934007429.png">Thursday and Friday look to be the wettest from the Ohio River Valley to the New England states. While the severe threat appears pretty limited at this time, with a MARGINAL risk for severe storms on Thursday, the flooding threat will move in too.<img src="https://media.weathernationtv.com/app/uploads/2025/04/Screenshot 2025-04-29 073934-1745934078262.png">While it might ruin some plans outside toward the end of the week, the Kentucky Derby is looking dry this weekend!<video src="https://media.weathernationtv.com/app/uploads/2025/04/2025-04-29 07-39-48-1745934151361.mp4" controls="true" width="100%"></video>

Rain This Week Douses Fire Concerns Today

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A strong area of low pressure has emerged from the Rockies, which has prompted a MODERATE (level 4 out of 5) risk overnight. EF-2+ intensity tornadoes and 2-inch diameter hail (or larger) are possible.CAUGHT ON CAMERA: Our field correspondent Erik Fox was in the Sand Hills of Nebraska, where a storm cycled for hours on Sunday night, producing the spotting of a tornado.<div class="twitter-tweet" style="display: flex; justify-content: center" data-twitt-post-id="1916681281515184498" src="https://x.com/WeatherNation/status/1916681281515184498"></div><h1>Overnight - Hazards and Timing</h1>The Storm Prediction Center has issued a MODERATE (level 4 out of 5) risk for severe storms in portions of the Upper Midwest and Upper Mississippi Valley. Multiple corridors of severe thunderstorms remain possible.<img src="https://media.weathernationtv.com/app/uploads/2025/04/Screenshot 2025-04-28 212044-1745896851475.png">Strong winds and massive hail remain possible, but the tornado threat will also be quite high for portions of the Upper-Midwest, thanks to increased wind shear near the upper-level low. This includes the potential for significant tornadoes in the Upper-Midwest, meaning we could see violent tornadoes that last for a long duration. These tornadoes should be taken very seriously, as they'll have the potential to produce winds over 110 mph (EF-2 or greater).<img src="https://media.weathernationtv.com/app/uploads/2025/04/Screenshot 2025-04-28 212227-1745896953253.png">Storms have developed and will continue into the overnight hours.. Multiple corridors of severe thunderstorms are expected.<video src="https://media.weathernationtv.com/app/uploads/2025/04/bust-1745897203666.mp4" controls="true" width="100%"></video><h1>Tuesday - Hazards and Timing</h1>Scattered severe storms will continue to move east on Tuesday along the front, with severe storms possible from Vermont to Texas! There are two areas of an ENHANCED risk (level 3 out of 5) on Tuesday. Portions of the northeast, including Pittsburgh, PA and western New York, as well as west Texas and into Texoma.<img src="https://media.weathernationtv.com/app/uploads/2025/04/1-1745863825014.png">There is still a bit of uncertainty on the forecast for Tuesday morning, pending how overnight convection from Monday behaves. The most likely scenario will be storms continuing along the same boundary throughout the day, and as the atmosphere becomes more unstable during peak heating, thunderstorms will become more dangerous.<video src="https://media.weathernationtv.com/app/uploads/2025/04/tuesvr-1745897459682.mp4" controls="true" width="100%"></video><h1>Flooding</h1>Heavy rain will accompany storms, with isolated flash flooding possible. Before storms hit, review your severe weather preparedness, including knowing where to go in case of a tornado or flood.<img src="https://media.weathernationtv.com/app/uploads/2025/04/Screenshot 2025-04-28 213111-1745897482161.png">

Dave Holder

Dangerous Storms Moving Across the Upper Midwest Overnight

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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!

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We saw another day of record warmth across the south on Monday. Tallahassee, FL, saw a high of 94°, breaking a record from 1927, and Tuscaloosa, AL, reached a high of 90°, which tied a previous record from 1994. An area of high pressure will continue to dominate, and we will see the potential for more record highs this week.<img src="https://media.weathernationtv.com/app/uploads/2025/04/Screenshot 2025-04-28 210616-1745895996894.png">While the recent heatwave is beginning to settle down, we could see a few more records fall during the day Tuesday. <img src="https://media.weathernationtv.com/app/uploads/2025/04/Screenshot 2025-04-27 210700-1745809626734.png">Looking over the next few days, many cities across the south will continue to run above average. Tampa, Florida, has an average in the mid-80s for this time of year, and temperatures will reach the lower 90s, bringing the heat! The Little Rock, AR average this time of year is in the mid-70s, but will see highs in the 80s. <img src="https://media.weathernationtv.com/app/uploads/2025/04/Screenshot 2025-04-28 211041-1745896249713.png">Even the northeastern U.S. is feeling the beautiful spring temperatures. On average, many northeast cities will be about 10 degrees warmer than normal on Tuesday before our next front moves in on Wednesday and Thursday.<img src="https://media.weathernationtv.com/app/uploads/2025/04/Screenshot 2025-04-28 211221-1745896346421.png">As we move into the longer-term trends, the Climate Prediction Center offers some reprieve from the hot temperatures in the northeast, settling us back down to likely average temperatures into the first week of May. Meanwhile, the next region to watch for likely above-average temperatures turns to the northwest and the High Plains.<img src="https://media.weathernationtv.com/app/uploads/2025/04/Screenshot 2025-04-27 210742-1745809667568.png">

Stretch of Historic Heat Continues

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WEST TEXAS - A dryline will help to trigger storms on the southern side of the severe potential overnight and through Tuesday. For more on the rest of the Great Plains severe weather potential, read this related<a target="_blank" rel="noopener noreferrer nofollow" href="https://www.weathernationtv.com/news/severe-weather-outbreak-likely-to-start-the-week#google_vignette"> article</a>.<h3>What is a dryline?</h3>It's a boundary in the atmosphere that separates moist air from dry air. In the same way, a cold front separates cold air from warm air. It helps to trigger thunderstorms, and the forecast supports that through tonight in west Texas.<div data-youtube-video=""><iframe width="640" height="480" allowfullscreen="false" src="https://www.youtube.com/embed/P0JVrM2oFDk" start="0"></iframe></div><h2>Overnight - Tuesday</h2>As we head deeper into the work week, the dryline will perhaps trigger an additional storm or two overnight, and again for Tuesday along with the tail end of a cold front. For this region of the country, we remain under an ENHANCED (level 3 out of 5) risk for severe thunderstorms for both days.<img src="https://media.weathernationtv.com/app/uploads/2025/04/Screenshot 2025-04-28 204022-1745894434713.png"><img src="https://media.weathernationtv.com/app/uploads/2025/04/Screenshot 2025-04-28 204057-1745894471965.png">The timing of thunderstorms looks to be influenced by daytime heating. Based on model trends, Tuesday's storms look to be more widespread across Texas, Oklahoma, and into the Ozarks.<video src="https://media.weathernationtv.com/app/uploads/2025/04/tomer southern futurecast-1745890220128.mp4" controls="true" width="100%"></video>With training rain in some areas, there are excessive rainfall outlooks issued overnight, Tuesday, and Wednesday across the southern Plains. Some locations may see up to 3-5" of rainfall with higher localized totals.<img src="https://media.weathernationtv.com/app/uploads/2025/04/Screenshot 2025-04-28 204243-1745894568883.png">For more details, be sure to join us on WeatherNation!

Dryline Thunderstorms Continue in West Texas

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[<a href="https://www.noaa.gov/stories/video-new-experimental-radar-could-lead-to-earlier-severe-weather-warnings" target="_blank" rel="noopener">NOAA</a>] NOAA researchers recently unveiled “<a href="http://bit.ly/2EDRCnu" target="_blank" rel="noopener">the radar of the future</a>” – a new $38 million prototype that could improve warnings, protect lives and property, and reduce the economic impact of severe and hazardous weather.
https://www.youtube.com/watch?v=Xso-P0UAE88

&nbsp;

<a class=" ext-link-after" href="https://www.eol.ucar.edu/content/how-do-radars-work">Weather radars</a> consist of a transmitter that bounces radio waves off clouds and storm systems, and a receiver that detects precipitation and winds. Unlike today’s weather radars that use a dish antenna that tilts and rotates to collect data, the new experimental radar called the <a href="https://www.nssl.noaa.gov/tools/radar/atd/">Advanced Technology Demonstrator</a> (ATD) has a flat panel with a grid of thousands of small antennas that transmit radio waves and receive reflections back from the atmosphere. This <a href="https://www.nssl.noaa.gov/tools/radar/mpar/">phased array </a>allows the radar to be steered electronically with no moving parts, collecting and updating information more rapidly.

<img class="alignnone wp-image-98737 size-full" src="https://media.weathernationtv.com/app/uploads/2018/10/mpar-sk2.png" alt="New Advanced Technology Radar Installed at National Severe Storms Laboratory" width="600" height="334" />

[Phased Array radar has a unique antenna that collects the same information as a conventional radar in about one-sixth the time. Users can direct radar beams to scan different targets as needed. Researchers believe phased array could extend warning lead times from 10 minutes to 18-22 minutes.]
The ATD also features <a href="https://www.nssl.noaa.gov/tools/radar/dualpol/">dual polarization technology</a> that helps forecasters know the type of precipitation that is occurring, such as rain, snow or ice. It’s the first radar combining both phased array and dual polarization technologies.
Researchers say the new radar should be ready to collect experimental weather data for the first time during severe weather season in spring 2019.
<img class="alignnone size-full wp-image-98736" src="https://media.weathernationtv.com/app/uploads/2018/10/dualpol5_both.gif" alt="" width="350" height="200" />

[Difference between conventional and polarmetric radar]
Funded by NOAA and the Federal Aviation Administration, the ATD is the newest in a long line of radar innovations developed and being tested at <a href="https://www.nssl.noaa.gov/">NOAA’s National Severe Storms Laboratory</a> in Norman, Oklahoma.
Edited for WeatherNation by Meteorologist Mace Michaels

New Experimental Radar Could Lead to Earlier Severe Weather Warnings

Level 3 Flood Threat Issued for the Southern Plains

The weather pattern remains favorable for hea

Severe Storms Possible Overnight

Severe storms dominated portions of the south

Another Shot of Snow in the Western Mountains

A deep trough of low pressure is sliding thro

Rain This Week Douses Fire Concerns Today

Fire weather concerns have been all too commo

Dangerous Storms Moving Across the Upper Midwest Overnight

A strong area of low pressure has emerged fro

Stretch of Historic Heat Continues

We saw another day of record warmth across th

Dryline Thunderstorms Continue in West Texas

WEST TEXAS - A dryline will help to trigger s