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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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Flooding has become a very serious component of our nearly week-long severe weather threat, which is still ongoing. On Wednesday, the flood threat is highest around central southern and east Texas, including Austin, Waco, and College Station. Flood alerts stretch from San Antonio through Shreveport and include much of the I-45 and I-35 corridors. Related article: <a target="_blank" rel="noopener noreferrer nofollow" href="https://www.weathernationtv.com/news/another-round-of-strong-storms-targets-the-heartland">Another Round of Strong Storms Targets The Heartland</a><img src="https://media.weathernationtv.com/app/uploads/2024/05/flood alerts-1714585924045.jpg">Some places in Texas, Kansas, and Oklahoma have seen well over 9" rain in the past few days, contributing to the elevated concern for flood threats. The ground is already highly saturated in many states (areas in blue), with spots seeing 150% of their normal amount of rainfall in the last 30 days. One silver lining to this forecast is that much of the Central Plains (Kansas, Missouri) are dealing with drought conditions. This rainfall will no doubt help alleviate some of the drought concerns, but remember that too much of a good thing can turn bad.<img src="https://media.weathernationtv.com/app/uploads/2024/05/percent of norm-1714571946780.jpg">The flooding comes in two waves as areas of low-pressure sweep across the country and taps into warm, muggy air over the lower Mississippi River Basin. Rainfall totals from the combined events show the heaviest rain in central Texas and Oklahoma, with heavy rain stretching up into Missouri and eastern Kansas. By the end of the weekend, we could see over 5" in many locations.<img src="https://media.weathernationtv.com/app/uploads/2024/05/5 days spc-1714571946784.jpg">As mentioned above, another wave of energy moves off the Rockies and into the Plains Friday through the weekend with more wet weather potential. The flood threat continues to be elevated, especially in Texas, Louisiana, Oklahoma, and Arkansas. We can't stress enough how important it is to adhere to any flood alerts that may be issued in the upcoming days.<video src="https://media.weathernationtv.com/app/uploads/2024/05/2024-05-01 07-57-59-1714572223364.mp4" controls="true" width="100%"></video>A few storms with our weekend wave of energy may be on the stronger side on Friday. As a result, the Storm Prediction Center has issued a MARGINAL (level 1 out of 5) risk for severe weather in western Kansas and eastern Colorado on Friday.<img src="https://media.weathernationtv.com/app/uploads/2024/05/spc fri-1714582844359.jpg">

Bullseye of Flooding in Texas Today

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After a devastating end to last week in the Plains, the severe weather threat continues across the Great Plains on Wednesday and Thursday. Please be severe weather aware and have multiple ways to receive severe weather alerts. On Tuesday, multiple tornadoes were spotted across the Plains, including in cities across Oklahoma and Kansas. Check out this video of a tornado caught on camera late Tuesday afternoon in Westmoreland, KS, about 130 miles from Kansas City. Sadly, a person was killed by this tornado and 22 buildings were destroyed in the small town north of I-70.<div class="twitter-tweet" style="display: flex; justify-content: center" data-twitt-post-id="1785437957110858030" src="https://twitter.com/WeatherNation/status/1785437957110858030"></div>Our field correspondent, Brandon Clement, took this video in Westmoreland early Wednesday morning of some of the damage.<video src="https://media.weathernationtv.com/app/uploads/2024/05/VO_050124_RNC_WESTMORELAND, KS_DRONE VIEW OF TORNADO DAMAGE_WHATSAPP_BRANDON CLEMENT_KW_E050124-1714570595498.mp4" controls="true" width="100%"></video>The severe weather risk continues Wednesday for central Kansas and much of the southern Plains. The Storm Prediction Center has issued an ENHANCED risk (level 3 out of 5) with threats of significant-size hail and tornadoes. Once again, large hail (2" in diameter) is possible for central Kansas through West Texas.Storms on Wednesday look to fire off of the same frontal boundary as Tuesday and impact the same places during the afternoon hours. However, today, storms are prone to more individual-in-nature storm cells that could produce damaging hail and tornadoes, especially from Western Kansas through West Texas. Overnight, these storms cluster into a strong line that blasts through Texas with damaging winds and heavy rainfall.<video src="https://media.weathernationtv.com/app/uploads/2024/05/2024-05-01 10-31-38-1714581167269.mp4" controls="true" width="100%"></video>Showers and storms will be ongoing early Thursday morning through Texas, Oklahoma and western Arkansas. Heat during the day will help to enhance these thunderstorms and potentially contribute to stronger winds through Louisiana and Mississippi in the second half of the day. Individual storms form back through the Plains of Oklahoma and Texas by sundown Thursday night and cluster into our overnight severe threat along and east of I-35 through Friday morning. Showers continue into the Great Lakes overnight too. <video src="https://media.weathernationtv.com/app/uploads/2024/05/2024-05-01 11-40-30-1714585262350.mp4" controls="true" width="100%"></video>

Tornado Threat Targeting the Nation's Heartland

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Similar areas that have been at risk since the end of April will experience another bout of severe weather on Monday, May 6th. The Storm Prediction Center [SPC] has issued the severe weather outlook from central Nebraska through northern Texas, indicating high confidence in the severe weather potential. This is thanks to another wave of energy from the Pacific moving east throughout the weekend, providing enough lift to support storm development. At the surface we have moisture streaming north contributing to instability ahead of a surface cold front. <video src="https://media.weathernationtv.com/app/uploads/2024/05/2024-05-01 10-51-01-1714583042845.mp4" controls="true" width="100%"></video>The central and southern Plains are a bullseye for severe weather in May. The moisture from the Gulf of Mexico and cooler air from Canada clash over Nebraska, Kansas, Oklahoma, and Texas, elevating the severe threat. We know this is another day of severe weather on the horizon, but please don't let severe weather fatigue get the best of you.<img src="https://media.weathernationtv.com/app/uploads/2024/05/BULLESYE-1714582936940.jpg">Stay with WeatherNation for the latest information on the severe weather threat ahead in early May.

Monday Severe Weather Threat Hits the Plains Again

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Spring snow opportunities continue in the Rocky Mountains, with snow expected through the middle of the week from the Cascades of Oregon to the Rockies of Montana, the Tetons of Wyoming, and the Front Range of Colorado. The snow is especially welcomed at ski resorts that are still open. Breckenridge is expected to stay open through May 12th, and Snowbird in Utah is expected to close on Memorial Day Weekend!This active pattern is all thanks to two areas of low pressure in our upper atmosphere, known as "double barrel lows," that follow one right after the other. The low-pressure systems pull in moisture and energy to produce high-elevation snowfall and rainfall for the lower elevations.<video src="https://media.weathernationtv.com/app/uploads/2024/04/2024-04-30 10-31-43-1714495076445.mp4" controls="true" width="100%"></video>Steady snow continues in the highest elevations of Montana, Wyoming, and Colorado through Wednesday, with another round of moisture moving onshore for Oregon, mostly as rain. The bottom line is that it stays unsettled in our highest peaks through the end of the week. Snowfall totals will be 6"+ for areas over 8,000' where winter weather advisories are in effect for Montana mountains.<video src="https://media.weathernationtv.com/app/uploads/2024/05/2024-05-01 07-54-09-1714571701082.mp4" controls="true" width="100%"></video>

Spring Snow in the Mountain West

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This weekend an incoming storm system will bring widespread wet weather to the West Coast with snow anticipated into the high elevations of California. A low-pressure system moves out of the Pacific Ocean and slides onto the West Coast by Saturday. This incoming storm system pulls in moisture from the Pacific in addition to lift to assist with storm development and support through the West Coast. This comes on the heels of a storm system bringing wet weather from the Pacific Northwest through the Rockies into Thursday.<video src="https://media.weathernationtv.com/app/uploads/2024/04/2024-04-30 14-20-53-1714510761654.mp4" controls="true" width="100%"></video>A frontal boundary moves onshore Friday with rain and snow spreading inland throughout the evening Friday into Saturday. As temperatures fall throughout the day on Saturday we will see more high-elevation snowfall, especially in the Sierra Nevada and Cascades. Steady snow continues into Sunday for the highest elevations with rainfall for lower elevations. Where that cut-off is is still to be determined as the system gets closer and we can determine the temperature profile.<video src="https://media.weathernationtv.com/app/uploads/2024/04/2024-04-30 14-21-09-1714510112684.mp4" controls="true" width="100%"></video>The heaviest snowfall will be in the Sierra Nevada, where upwards of 3" of snow is likely for the highest elevations. Snowfall in the Cascades of Oregon and Washington will be on a similar total amount. <img src="https://media.weathernationtv.com/app/uploads/2024/05/spring snow-1714573290889.jpg">If it feels like snow is falling late into the season, you may be surprised to know that the season's last snow for many West Coast communities lingers into May and for the highest elevations, even into June!<img src="https://media.weathernationtv.com/app/uploads/2024/04/est avg snowfall-1714510694011.jpg">Stay with WeatherNation for the latest on the forecast for the upcoming weekend.

First Weekend in May Brings Snow to West Coast

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Kevin Schneider

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Welcome to May! The month normally boasts severe storms, Mother's Day and later sunsets. This weekend will be the 150th running of the Kentucky Derby at Churchill Downs Saturday evening - and rain could affect things.<img src="https://media.weathernationtv.com/app/uploads/2024/05/Summer countdown-1714568488325.png">A dynamic upper-level low will bring the shot at some storms on Friday to parts of the Ohio River Valley, but models are hinting at a fast moving wave joining the party late Friday night into Saturday. That could meet up with enough moisture to keep scattered showers around northern Kentucky into the first day of the weekend. This is where it could be raining around race-time (below).<img src="https://media.weathernationtv.com/app/uploads/2024/05/GFS for KY-1714568498978.png">The Kentucky Derby says on its website that it's a "rain or shine" event, so no delays are expected. However, the conditions could be a little muddy for the horses when the gates open Saturday at 6:57 PM ET.<img src="https://media.weathernationtv.com/app/uploads/2024/05/kentucky derby daypart-1714568509182.png">

Trotting Around Rain Chances at the 150th Kentucky Derby

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Taban Sharifi grew up in Southern California between Los Angeles and San Diego. She is a Certified Broadcast Meteorologist (CBM) with the American Meteorological Society (AMS). She has a B.S. in Atmospheric, Oceanic, and Environmental Sciences with a minor in Environmental Systems and Society from the University of California, Los Angeles (UCLA). Go Bruins! While in school, Taban was a meteorology intern with NBC LA. There she helped forecast daily weather for the greater Los Angeles region and created a playbook to deploy weather sensors for NBC owned-and-operated stations across the country. Her first on-air job took her to San Angelo, Texas, where she was a morning meteorologist and co-anchor. Working in West Texas gave her knowledge and experience covering severe storms. From there, she moved to Palm Springs, California. People think forecasting in California is sunshine all the time, but with temperatures in the 120’s, wildfires, damaging winds, floodings, and earthquakes, the forecasting kept her very busy! She also worked there as a general assignment reporter and told community stories. Taban is excited for the challenge and opportunity to forecast nationally with WeatherNation. She also looks forward to exploring all that Colorado has to offer!

Taban Sharifi

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It's the second day in a row cities in the northeast broke record high temperatures. Not as many records were broken Tuesday, but areas like D.C. and Binghamton, NY got high enough to break previous records. Temperatures will return closer to seasonal by Friday for many locations. Although, some spots do stay warmer.<img src="https://media.weathernationtv.com/app/uploads/2024/04/Screenshot 2024-04-30 164300-1714516987092.png">Showers and storms swept across the northeast with multiple severe warned storms. We still have the chance of a few isolated severe storms overnight with the potential of strong winds and large hail. A few areas have already seen some larger hailstones reaching 1".<img src="https://media.weathernationtv.com/app/uploads/2024/04/FJKJFKLJ-1714526195784.png">Showers and storms will wrap up overnight. Watch out for the threat of isolated flooding along some roadways.<video src="https://media.weathernationtv.com/app/uploads/2024/04/LOW PRESSURE-1714526345813.mp4" controls="true" width="100%"></video>You can always find more details about the Eastern Regional Forecast :10 past the hour.

Alana Cameron

Record Highs Hit in the Northeast, Isolated Severe Remains

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[<a href="https://blog.nssl.noaa.gov/nsslnews/2018/10/video-advanced-technology-demonstrator/" target="_blank" rel="noopener">NOAA</a>] Radar research at the NOAA National Severe Storms Laboratory has taken another step forward. The Advanced Technology Demonstrator is installed at the National Weather Radar Testbed facility and will become fully operational in 2019.

https://www.youtube.com/watch?v=Xso-P0UAE88

The Advanced Technology Demonstrator, or ATD, is the first full-scale, S-band, dual-polarization phased array radar built from the ground up and designed specifically for use as a weather radar.

A <a href="https://www.nssl.noaa.gov/tools/radar/mpar/">phased array radar</a> is able to steer the radar beam electronically left-to-right and up-and-down while the antenna remains stationary. The ATD has a flat, or planar, antenna comprised of 76 panels with 4,864 radiating elements.

<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.]

In addition, the ATD features <a href="https://www.nssl.noaa.gov/tools/radar/dualpol/">dual polarization technology</a> developed at NSSL and recently added to WSR-88D radars, also known as NEXRAD, throughout the country. The ATD is adding dual polarization technology to phased array technology, combining the benefits of both. The new radar will feature dual-polarization’s ability to show the size and shape of precipitation, and the phased array’s faster updates.

<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]

The radar will be used for meteorological studies and to help researchers evaluate polarimetric performance of a planar phased array radar.

Edited for <a href="https://media.weathernationtv.com/">WeatherNation</a> by Meteorologist Mace Michaels