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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><em>Above - heavy snow in the Sierra Nevada caused multiple spin-outs and accidents at Donner Summit resulting in big backups on I-80 west from Reno to Sacramento.</em></p><p>Snow has returned to the mountains of California as a series of disturbances continues to push across the West. Steady rain for the northern California coast and mountain snowfall will impact the northern Sierra Nevada through Thursday night. Then, the energy will push into southern Idaho, Utah and Colorado by early Friday morning bringing snow to the mountains across the Intermountain west through the start of the weekend.</p><video src="https://media.weathernationtv.com/app/uploads/2023/12/2023-12-07 13-15-51-1701980183908.mp4" controls="true" width="100%"></video><p>In addition to heavy snow, there will be heavy rainfall along the coast and strong winds through the high country of the southern Cascades and northern Sierra Nevada mountains. While winds across California calm slightly, stronger winds are expected for the Front Range of Colorado and Wyoming on Thursday, before the wet weather arrives.</p><p><img src="https://media.weathernationtv.com/app/uploads/2023/12/winds-1701980366542.png">Winter weather alerts are in effect for California and Wyoming to account for 2-8" of snowfall above 3500 feet, and 7-13" for the highest elevations. Snowfall rates of up to 1/2" per hour could be possible at times, reducing visibility and causing slick travel on I-80, I-70, and other mountain highways.</p><p><img src="https://media.weathernationtv.com/app/uploads/2023/12/Screenshot20231207070620png-1701958424471.png">Snowfall accumulations will be most impressive through the Tetons of Wyoming where upwards of half a foot of snow could be possible into the end of this workweek. Again, this is great for ski resorts, but will make traveling tough.</p><p><img src="https://media.weathernationtv.com/app/uploads/2023/12/Screenshot 2023-12-07 070611-1701958181476.png">Thankfully, wind comes before the snow in Colorado where gusts up to 60 mph may be possible on Thursday. The winds relax on Friday when the heaviest of the snow arrives, in the range of 3-9" for the mountains and 1-3" for the Front Range.</p><p><img src="https://media.weathernationtv.com/app/uploads/2023/12/Screenshot 2023-12-07 070628-1701958197877.png"></p>

Heavy Snow Snow in the Western Mountains

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<p>Rain and snow are on the way to New England as a frontal boundary moves north from the Deep South, tapping into significant moisture to produce rain to start and snow (above) on the backside of the front. Moisture starts for the Midwest and Mid-South Saturday night but becomes much more widespread through the Midwest and Mid-South by Sunday morning. The entire frontal boundary then pushes into New England Sunday with rain changing over to snow overnight Sunday into Monday. Rain will come first, resulting in pockets of 3"+ in Tennessee, Kentucky and western North Carolina. Heavy rain will also be possible through eastern Pennsylvania, northern New York and western New England. We will be concerned for this rain to freeze over as temperature drop Sunday night into Monday. </p><video src="https://media.weathernationtv.com/app/uploads/2023/12/2023-12-07 09-20-52-1701966541654.mp4" controls="true" width="100%"></video><p>The heaviest snow will fall on the backside of the low, mostly through the second half of the day on Sunday into Monday. Our higher elevations of the Adirondacks and mountains of New England will be the focus for the heaviest snowfall but a couple inches of fresh snow will be possible through New York, Pennsylvania, Ohio and Appalachia. </p><p><img src="https://media.weathernationtv.com/app/uploads/2023/12/NE snow-1701966541657.png">The other factor will be strong winds, especially along the immediate coastline from Maine to North Carolina. Winds could gust upwards of 40 mph at times Sunday into Monday so be sure to secure anything that can blow away in the wind. </p><p><img src="https://media.weathernationtv.com/app/uploads/2023/12/high winds-1701966541658.png"><img src="https://media.weathernationtv.com/app/uploads/2023/12/winds-1701966541651.png"></p>

Messy Weekend Forecast for the East Cosat

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<p>The Northwestern United States has been hammered by wave after wave of rain and snowfall over the last few days, causing rivers to run high and flooding around cities and recent area burn scars. We reached major flood stage and set a new record for river height on the Stillaguamish River in northern Washington of 21.34" which caused the river to overflow its banks into the city of Arlington.</p><div class="twitter-tweet" style="display: flex; justify-content: center" data-twitt-post-id="1732595794195145031" src="https://twitter.com/WeatherNation/status/1732595794195145031"></div><p>The reason for the high running rivers is due to a couple of reasons: first we had heavy rain, second we saw record warm temperatures across the PNW which caused a rapid melt of recent snowfall in the Cascades into rivers, creeks and streams. Colder air is coming back into play for the end of the week and weekend so we anticipate snowpack to build back up and flooding to become less of a concern.</p><h2>Today's System</h2><p>The heavy rain and snow will start to gradually taper off as the day progresses. It won't completely disappear for everyone, but the moisture will become a bit more scattered compared to a steady river of it. Colder air started to make its way into the PNW by early Thursday and will stick around, at least, into Friday. Even though snow is tapering through the day today we still have moisture packed air which will slam into the mountains resulting in high elevation snowfall upwards of 8" possible for the southern Cascades.</p><video src="https://media.weathernationtv.com/app/uploads/2023/12/2023-12-07 10-22-01-1701969750246.mp4" controls="true" width="100%"></video><h2>Weekend Wave</h2><p>Unfortunately, the wet and unsettled pattern continues for the Pacific Northwest as yet another wave of energy moves onshore late Friday night and continues through Saturday. We will have the opportunity for more rain, and this time snow, as temperatures drop starting Thursday and continue to be cold enough in the high country to support mountain snow.</p><video src="https://media.weathernationtv.com/app/uploads/2023/12/2023-12-07 07-42-47-1701960285757.mp4" controls="true" width="100%"></video><p>In terms of additional snowfall Friday into Saturday, we could see 6-12", depending on elevation. In combination with the snow from Thursday into Friday our mountain peaks could pick up on a foot plus of fresh snowfall. This is good news, especially for the Cascades, where snowpack has significantly melted due to recent warm temperatures and rainfall.</p><p><img src="https://media.weathernationtv.com/app/uploads/2023/12/new snow-1701960256890.png"></p>

First Round of Rain Dies Down, Next Ahead for PNW

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<p>The risk of severe weather is in the forecast for the South (above) on Saturday as an area of low-pressure sweeps across the country. The severe threat looks to be most intense on Saturday but in addition, the Storm Prediction Center [SPC] has highlighted a risk on Friday for eastern Oklahoma and western Arkansas. The SPC has been highlighting Saturday's severe weather threat since the beginning of the week, indicating confidence in the threat of strong storms.</p><p><img src="https://media.weathernationtv.com/app/uploads/2023/12/spc fri-1701980593451.png">Friday's risk looks to be dependent on conditions to potentially produce large hail after sunset. The Baron model (above) depicts a few strong storms around midnight in Arkansas. Saturday's risk will include all threats from severe storms (wind, hail, &amp; tornadoes) but will be primarily in the afternoon. Expect storms to become more widespread and intensify throughout the morning, with mid-afternoon the best timing with peak heating for severe weather. Some storm may persist to the east into the evening, with a dusting of snow not out of the question in Middle Tennessee as cold air moves in behind the front.</p><video src="https://media.weathernationtv.com/app/uploads/2023/12/2023-12-07 06-41-55-1701956542616.mp4" controls="true" width="100%"></video><p>In addition to the severe weather threat we also have the opportunity for heavy rainfall as moisture streams north from the Gulf of Mexico. Early indications are for the heaviest rainfall over the mid-South of Kentucky and Tennessee with about 1-2" possible through the Deep South. The Weather Prediction Center [WPC] has highlighted the mid-Mississippi delta with the threat of the heaviest rainfall.</p><p><img src="https://media.weathernationtv.com/app/uploads/2023/12/rainfall-1701895275813.png">The South could certainly use the rain, where extreme and exceptional drought conditions cover much of the area. Heavy rain over the first week of December will have hopefully put a dent in some of the worst of the drought conditions but it did lead to flash flooding around New Orleans and Panama City.</p>

Severe Storm Threat Returns to End the Week

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<p>A ridge of high pressure has brought unseasonable warmth to the western and central U.S. this week with temperatures running about 10-20° above average! On Wednesday, December 6 the temperature climbed into the 50's and 60's, melting any snow in sight! Those wishing for a white Christmas will have to keep on wishing and being patient during this warm weather spell.</p><p><img src="https://media.weathernationtv.com/app/uploads/2023/12/records set wed-1701964560093.png">Temperatures start to fall on Friday after peaking on Thursday in the North Central Plains. Temperatures fall into the 40s and eventually into the 30s for the High Plains. Temperatures will take a bit longer to fall in the Great Lakes region, eventually cooling off back towards average by Sunday. </p><p><img src="https://media.weathernationtv.com/app/uploads/2023/12/3 day plains-1701980839283.png">Meanwhile, this weekend the ridge of high pressure shifts east and along with it the opportunity for record temperatures. Temperatures region-wide will jump into the 50s and even the 60s, with records possible for New York City, the tri-state area, and Toledo, OH.</p><p><img src="https://media.weathernationtv.com/app/uploads/2023/12/NE highs-1701896653620.png"></p>

Record Heat Shifts East this Weekend

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Dave Holder

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<p>The next winter storm is taking shape for the Northern Plains on Friday and Saturday as upper-level energy moves in from the West Coast. The biggest impact from this storm system looks to be strong winds which could gust upwards of 50 mph through the Dakotas creating blizzard-like conditions. On the warmer side of this storm system, there is the opportunity for storms in the <a target="_blank" rel="noopener noreferrer nofollow" href="https://www.weathernationtv.com/news/severe-threat-returns-saturday"><strong><em><u>Deep South on Saturday</u></em></strong></a>.</p><p><img src="https://media.weathernationtv.com/app/uploads/2023/12/setup-1701894079439.png">A frontal boundary moves across the Plains on Thursday, bringing much cooler air compared to the record-breaking highs we have seen as of late. This cooler air will set the stage for snow showers across the Dakotas through much of the day Friday. In addition, winds will be quite strong, adding to the possibility of blowing snow and reduced visibility. </p><video src="https://media.weathernationtv.com/app/uploads/2023/12/northplainssnow-1701922996837.mp4" controls="true" width="100%"></video><p>The heaviest snow will be for the Dakotas where a widespread 1-3" will be possible. Again, the wind will create pockets of blowing and drifting snow leading to hazardous travel along I-90 and I-94.</p><p><img src="https://media.weathernationtv.com/app/uploads/2023/12/Screenshot 2023-12-06 212347-1701923050446.png"></p><p></p>

Windy Winter System for the Plains

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<p>Our first system is a "Clipper", a fast-moving rain and snowmaker, and slides through the Midwest today after brining light snow to Minnesota and Wisconsin overnight. Rain and snow will hit the Appalachian mountains by midday. Wet weather will continue in the region through midday Wednesday with mostly rain showers for the lower elevations and snow for the highest peaks.</p><video src="https://media.weathernationtv.com/app/uploads/2023/12/2023-12-05 07-49-34-1701787822908.mp4" controls="true" width="100%"></video><p>As a result of the incoming winter weather, winter weather advisories are in effect from Tuesday night through Wednesday morning for the spine of the Appalachian mountains in West Virginia to account for 3-6" of snowfall. Most of this will be light snowfall totals and will have minor impacts.</p><p><img src="https://media.weathernationtv.com/app/uploads/2023/12/alerts-1701787720423.png"></p>

Quick Moving System Brings Snow to Appalachia

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The air arriving across much of the central United States will be well ahead of schedule, at least in terms of what it will feel like for this time of the year!

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A wave of frigid air will push southeast from Canada beginning Wednesday. By Friday and Saturday it'll reach the East coast. While on its journey, this air mass will bring temperatures down to -10 to -25 degrees compared to average!

First up will be parts of Montana and North Dakota on Wednesday.

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High temperatures (left) versus average high temperatures (right) will be coldest compared to average in North and South Dakota, Nebraska and Montana. Meanwhile, the Great Lakes will feel cool, but not as chilly.

Next up Thursday, this air mass swings into the Great Lakes and knocks on the door of the Northeast.

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Enjoy Thursday along the immediate East coast! That's because temperatures will only go down into Saturday and Sunday.

Next up on Friday is parts of the Southeast!

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The leading edge of the cold air will be pressing across the Mississippi River Valley. It'll make Kansas City feel 20 degrees colder than average! Des Moines will merely nudge above freezing. Nashville will feel a good -10 degrees to average.

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This all sets the stage for the forecast temperatures for next week. After we get through this weekend, another strong front will pass through the Lower 48 on Tuesday, the 13th. This is expected to bring another cold blast of air to the central/eastern U.S.

It's time to winterize your home and automobile. Make sure you have a cold weather kit and appropriate traction for your vehicle's tires. Stay covered in the wind, as it'll make it feel even colder!

For WeatherNation, Meteorologist Steve Glazier

December-Like Weather to Invade North-Central U.S.

Heavy Snow Snow in the Western Mountains

Above - heavy snow in the Sierra Nevada cause

Messy Weekend Forecast for the East Cosat

Rain and snow are on the way to New England a

First Round of Rain Dies Down, Next Ahead for PNW

The Northwestern United States has been hamme

Severe Storm Threat Returns to End the Week

The risk of severe weather is in the forecast

Record Heat Shifts East this Weekend

A ridge of high pressure has brought unseason

Windy Winter System for the Plains

The next winter storm is taking shape for the

Quick Moving System Brings Snow to Appalachia

Our first system is a "Clipper", a fast-movin