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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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<p>An area of low pressure and a cold front sweeping through the Gulf Coast this afternoon poses the risk of severe weather. The tornado potential is low but large hail and strong winds remain possible. Heavy rainfall and flooding potential remain another threat.</p><p><img src="https://media.weathernationtv.com/app/uploads/2023/03/wind and hail-1680023652193.JPG"></p><video src="https://media.weathernationtv.com/app/uploads/2023/03/dumbflstorms-1680029916762.mp4" controls="true" width="100%"></video><p>The Weather Prediction Center (WPC) has the region under a marginal to slight risk of excessive rainfall as an additional 1-3" of rainfall will be possible, overwhelming saturated soils already in the South.</p><p><img src="https://media.weathernationtv.com/app/uploads/2023/03/Capture-1680029988720.JPG"><img src="https://media.weathernationtv.com/app/uploads/2023/03/103-27_rsc rse 18z rain-1679964442241.JPG">Stay with WeatherNation for the latest, your Southeast regional forecast is always :10 past the hour.</p>

Flooding & Strong Storms in the Deep South Today

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<p>Confidence is increasing in the threat of strong to severe thunderstorms erupting across the Plains by Thursday afternoon, and continuing into Friday. In the upper levels, another potent trough will dig into the southwest from California. This upper-level energy will overspread a warm and unstable airmass, characterized by high humidity, transported on a southerly wind from the Gulf. Ample amounts of wind shear along with surface instability should result in vigorous thunderstorm development by the afternoon. All hazards of severe weather will be possible.</p><p><img src="https://media.weathernationtv.com/app/uploads/2023/03/Capture2-1679855578170.JPG">Although thunderstorm activity is expected by Thursday afternoon, the timing of formation along with the amount of storm coverage is yet to be determined. There appears to be two areas of concern. The first is further north towards the surface low, where low-level shear may be sufficient for a multi-hazard threat. Further south, greater instability ahead of an advancing cold front will provide an opportunity for additional severe thunderstorm development. </p><p><img src="https://media.weathernationtv.com/app/uploads/2023/03/Capture-1680029634073.JPG"></p><p>Confidence is higher in more widespread activity by Friday as the main upper-level energy swings through. The Storm Prediction Center has highlighted much of the southern Plains into the Midwest for severe weather potential by the end of the week.</p><p><img src="https://media.weathernationtv.com/app/uploads/2023/03/Capture-1680029730896.JPG">We're still a few days out, so some details will need to be worked out. However, it is never too early to prepare, especially this time of year! Severe thunderstorms and all hazards will be possible as we head deeper into Spring. Historically, we see the most tornadoes during April, May, and June. This year we've had a particularly active February and March.</p><p><img src="https://media.weathernationtv.com/app/uploads/2023/03/Capture5-1679855998222.JPG">Stay with WeatherNation as we continue to update this developing situation!</p>

Strong Thunderstorms to Return to the Plains Thursday

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<p>The last few days of March will feature an active pattern for the northern Plains - yet another area of low pressure pushes out of the Rockies Wednesday evening and into Thursday, prompting another round of winter conditions through the end of the week as well. This next wave looks to be a bit more potent, with more snow and wind for the north-central Plains. Snow will start on Wednesday night through the Dakotas and Minnesota along the area warm front, becoming more widespread into the great Lakes region on Thursday afternoon and evening.</p><video src="https://media.weathernationtv.com/app/uploads/2023/03/2023-03-28 08-09-29-1680013255824.mp4" controls="true" width="100%"></video><p>The warm front will be a focus for severe weather Thursday through Nebraska with large hail and strong winds expected. The following cold front and developing Colorado Low will be a point of focus for the severe weather threat in the central U.S. on Thursday and Friday.</p><p><img src="https://media.weathernationtv.com/app/uploads/2023/03/nebraska thursday-1680013243028.JPG"></p><p>Early model indications put a swath of heavy snow through central South Dakota, Minnesota, and up into the U.P. of Michigan with lake-enhanced snowfall likely. We are still a few days out from the next round of snow but know it looks more intense compared to early this week. Planting season is right around the corner for many farmers in these areas, so more snow is not what we want to deal with into early April!</p><p><img src="https://media.weathernationtv.com/app/uploads/2023/03/gfs late week-1680013224733.JPG"><img src="https://media.weathernationtv.com/app/uploads/2023/03/bams snow late week-1680013234174.JPG"></p><p>Stay with WeatherNation for the most up-to-date conditions on the winter that won't end in the Central U.S. - your central regional forecast is always :30 past the hour.</p>

Multiple Waves of Snow for the High Plains this Week

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<p>CALIFORNIA - We have had an incredible snow season and forecast models are trending at another batch moving in as we head into the work week. Snowpack continues to rise in the Sierra and is inching closer to the snowiest year in history, that being 1952-53. We are about 10 feet shy of the snow totals of that winter! Additionally, these systems have been creating isolated strong thunderstorms and very heavy rain. Another round of wet weather continues now through Wednesday as a Pacific low moves onshore, bringing more moisture to waterlogged California.</p><h2>Alerts</h2><p>Winter weather alerts are in effect for the Sierra from Monday night into Wednesday with heavy snow anticipated over 3,000'. Winter storm warnings (in pink) will be for 1-2' of snow between 4,000 - 6,000', 2-3' above 6,000', and 4' above 8,000' in elevation.</p><p><img src="https://media.weathernationtv.com/app/uploads/2023/03/cali-1679995995401.JPG">For Southern California, the Winter Alerts begin Tuesday night and go through Thursday. Heavy snow will be possible about 5,000' in elevation. Winds will also be gusting to 50+ mph at times.<img src="https://media.weathernationtv.com/app/uploads/2023/03/socal alerts-1680008194474.JPG">In addition to snowfall, we expect heavy rain to be a concern along the coastline, prompting more flood alerts and the risk of mudslides &amp; debris flow. The Weather Prediction Center (WPC) has issued a Slight Risk for Excessive Rainfall on Tuesday. A Marginal risk of Excessive Rainfall has been extended into Wednesday, including more areas in Southern California.</p><h2><img src="https://media.weathernationtv.com/app/uploads/2023/03/cali tuesday wpc-1679948066232.jpg">Forecast</h2><p>We will see snow spread south into the central and southern Sierra on Tuesday morning. Our first batch of moisture continues throughout the day on Tuesday with high-elevation snow showers and low-elevation rainfall. Another frontal boundary pushes ashore Tuesday night and Wednesday with more rain and snowfall.</p><video src="https://media.weathernationtv.com/app/uploads/2023/03/032823-1679996188086.mp4" controls="true" width="100%"></video><p>The heaviest of the snowfall will be in northern California, but we will still see the opportunity for 6-12" of snow for the San Gabriel's in southern California. Isolated spots over 7,500 feet could see upwards of a foot. Meanwhile in the Sierra, widespread snowfall totals over 2 feet are expected with another 3 feet at the highest peaks. Travel will be difficult through HWY 50 and I-80. </p><p><img src="https://media.weathernationtv.com/app/uploads/2023/03/socal snow-1680010521750.JPG"><img src="https://media.weathernationtv.com/app/uploads/2023/03/0327_rsw_californiarainsnow18zJPG-1679963375506.jpeg">The extended pattern into the beginning of April remains active in the western U.S. with above-average rain and snow conditions expected. Stay with WeatherNation for the latest in the snow amounts and timing for the Western U.S., the Western regional forecast is at :50 past the hour!</p>

Latest Storm Slams the West Coast with Rain & Snow Today

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<p>A quick moving area of low pressure will sweep across the northern tier of the country this week, bringing a bit of snowy and rainy conditions to the Great Lakes and then the Northeast on Wednesday and Thursday. We don't have any winter alerts in place as snowfall totals will be generally less than 3" in many spots, but the wet weather reminds us that Mother Nature isn't done with winter just yet! A frontal boundary swinging through the Great Lakes will touch off snow showers Wednesday morning and throughout the day. We may see a few rain showers closer to central Indiana and Illinois, but bottom line this is a messy system. Onto the Northeast by Wednesday evening and Thursday, with snow showers at our highest elevations and rain for the valleys and coast. </p><video src="https://media.weathernationtv.com/app/uploads/2023/03/2023-03-28 13-02-01-1680030286407.mkv" controls="true" width="100%"></video><p>In terms of snowfall in the Great Lakes, don't expect much more than a couple inches, right along the lake shore where we have lake enhancement. For the Northeast, terrain will help to drive an additional 2-3" of snowfall for the season. Typically we see our last snowfall in April for the Great Lakes and Northeast, so this could be one of our last snow systems this year. </p><p><img src="https://media.weathernationtv.com/app/uploads/2023/03/GL snowfall-1680030279108.JPG"><img src="https://media.weathernationtv.com/app/uploads/2023/03/NE snowfall-1680030266591.JPG">Temperatures will be warm ahead of the front on Wednesday before dropping down towards and below average on Thursday with the cold front's arrival. Spots along I-95 go from the 60s back into the 40s to round out the work week. </p><p><img src="https://media.weathernationtv.com/app/uploads/2023/03/3 day temps-1680030446698.JPG"></p><p>You can catch your eastern regional forecast, always :10 past the hour on WeatherNation for the latest on the Spring system. </p>

Snow Stretches from the Great Lakes to the Northeast

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<p>The same storm system that is impacting California with heavy mountain snowfall and coastal rain is also bringing snow to the mountains of Oregon, Washington and Idaho this week. Winter weather alerts are in effect through Wednesday morning with some alerts continuing even into Friday in Idaho as high elevation snowfall is expected. Heavy snowfall in the higher elevations of up to 3 feet will be possible, especially in the Northern Oregon Cascades. Steady snow favors the highest terrain through today, with snowfall tapering for Washington and Oregon late Wednesday night as the area of low pressure pulls into the High Plains. </p><video src="https://media.weathernationtv.com/app/uploads/2023/03/2023-03-28 08-35-05-1680014494040.mp4" controls="true" width="100%"></video><p>Generally about 6-10" of snowfall is expected for the highest peaks of the Cascades and the Bitterroots. Those in the valleys will see rainfall, less than .5". </p><p><img src="https://media.weathernationtv.com/app/uploads/2023/03/pnw snow-1680014581411.JPG">Temperatures during the day will be in the 40s and 50s for our major cities, and 30s in the mountains. This is slightly below average for this time of year. More cold air is expected further east, for the Plains of Wyoming and Montana as the area of low pressure and snow impacts them Wednesday &amp; Thursday. </p><p><img src="https://media.weathernationtv.com/app/uploads/2023/03/3 day highs-1680014635950.jpg">For more on this weather headline be sure to join us at :50 minutes past the hour for your western regional forecast.</p>

Winter Continues in the Western U.S. with Snow in the Rockies & Cascades

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<p>A ridge of high pressure in the Gulf of Mexico is providing near record warmth and Gulf moisture in the Southeast as we get through the work week.</p><p><img src="https://media.weathernationtv.com/app/uploads/2023/03/high-1679974580758.JPG">Records occurred on Monday across parts of the South with highs in the 80s and 90s. More records could be broken on Thursday through Saturday for cities in Florida. Everywhere there is a pink dot is an opportunity to tie or break records this week.</p><p><img src="https://media.weathernationtv.com/app/uploads/2023/03/pot re corsds-1679974601046.JPG">The warmth will surge on Thursday and Friday for the final two days of March in the Southeast. After a very warm winter with record-early blooms, blossoms, and allergies the preview of hot summer weather will be in full force!</p><p><img src="https://media.weathernationtv.com/app/uploads/2023/03/03-27_rse_wed fri-1679974621287.JPG">Stay with WeatherNation for the latest on the temperature swings and severe concerns, streaming 24/7!</p>

Parts of the Southeast Stay Sunny and Sultry

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Karissa is the Director of On-Air Operations at WeatherNation. Karissa grew up loving math and science, but really fell in love with Meteorology while attending the College of DuPage in Glen Ellyn, Illinois. After two summers of storm chasing in the central plains, she knew that it was the career path for her. Standing in front of a thunderstorm and feeling the cool outflow knock her over was an experience she will never forget. After two years at COD, she transferred to Metropolitan State University of Denver. Karissa graduated Magna Cum Laude with a Bachelors of Science in Meteorology. Her high school and college speech and meteorology professors were extremely supportive and pushed her to succeed. Before joining the WeatherNation team, she previously worked as the Morning Meteorologist at KCAU-TV in Sioux City, Iowa and at WMBD-TV in Peoria, IL. She recently was part of a National Edward R. Murrow award winning team for breaking news for their coverage of the EF-4 tornado in Washington, Illinois. In her free time, Karissa enjoys cooking and trying new foods. She is a self proclaimed 'TV Junkie' who can get into just about any show. She is a die hard Chicago sports fan who loves attending professional sporting events.

Karissa Klos

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At WeatherNation, we're committed to educating and informing our viewers of all of the threats severe weather can bring. Each day through the first week of March, we'll highlight different aspects of hazardous spring weather, including severe thunderstorms and what you need to know to stay safe.

In case you missed it, here's what we've already covered this week:
March 1st - <a href="https://bit.ly/33YFdYG">Tornadoes</a>
March 2nd - <a href="https://bit.ly/3K2Dkth">Wind &amp; Hail</a>
March 3rd - <a href="https://bit.ly/35fbAmB">Thunderstorms</a>
March 4th - <a href="https://bit.ly/3ppH3tc">Flooding</a>
March 5th - <a href="https://bit.ly/3plBdJq">Forecasting</a>
<h1><em>PREPARATION &amp; SAFETY</em></h1>
Nocturnal severe thunderstorms present a unique, and elevated danger. Meteorologist Erik Kostrzewa explains.

[embed]https://youtu.be/GogTWibg158[/embed]

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There are many things you can do to help your family get ready for severe weather season. Meteorologist Patrick Crawford walks us through a helpful checklist for Severe Weather Awareness Week.

[embed]https://www.youtube.com/watch?v=ZmrTp0p0Fik[/embed]

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In severe weather situations, having multiple ways to get watch and warning information can mean the difference between life and death.

[embed]https://www.youtube.com/watch?v=Sc7Uxl9-3d4[/embed]

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In this week's special edition of "Building a Weather-Ready Nation," John Van Pelt talks with Doug Hilderbrand about what it means to be a "Force of Nature."

https://www.youtube.com/watch?v=ZUEcjJil6oE

Do you know the difference between a Watch and a Warning? And what to do if one is issued for your area? We've got you covered.

https://www.youtube.com/watch?v=nZAKC9Tfgfs&amp;t=1s