Kevin Schneider

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NORTHWEST - Now through Wednesday, we will see a series of strong atmospheric rivers bring very heavy rainfall, warmer temperatures, and high elevation snow that will be measured in feet. Flood potential is increasing, especially for river flooding, as the week rolls on.<h1>Mon - Wed</h1>A deep supply of tropical moisture has arrived from the "pineapple express," or atmospheric river. Intense rainfall, gusty winds, and heavy mountain snow are expected. The ridge of high pressure helping to steer the tropical moisture northward will also lead to above-average temperatures, bringing snow levels up in elevation for Washington, Oregon, and Idaho.<img src="https://media.weathernationtv.com/app/uploads/2025/12/Screenshot 2025-12-06 055639-1765026414726.png">With this event being so warm, significant flooding is likely for the higher terrain of the Cascades, in addition to lower elevations! Flood Watches have been issued for Washington until Friday.<img src="https://media.weathernationtv.com/app/uploads/2025/12/Screenshot 2025-12-09 121534-1765307748582.png">Rainfall totals through Thursday are expected to top 7-12 inches for large areas along and west of the Cascades. With heavy rainfall rates, we could see flash flooding develop in addition to river flooding.<img src="https://media.weathernationtv.com/app/uploads/2025/12/Screenshot 2025-12-09 121604-1765307771253.png">As all of the moisture adds up and runs off into creeks, streams, and rivers, water levels will rise dramatically through the middle of the week. Many rivers are expected to reach moderate to major flood stages, including the Snoqualmie and Snohomish.As this moisture moves east and hits colder air in the Rockies, more of the rain will turn to heavy snow. Temperatures will continue to climb, leading to higher and higher snowfall levels. A break arrives on Wednesday evening and Thursday. Another weaker system is expected on Friday.<video src="https://media.weathernationtv.com/app/uploads/2025/12/12-09_rnw bams new-1765320372202.mp4" controls="true" width="100%"></video>Snow will be very heavy east of the Cascades, especially above 6,000 feet. Snow levels will go up and down quite a bit through the event, so driving over mountain passes in the afternoons may yield only rain at times, while at other times, intense snow is expected. The Cascades in Oregon are expected to see snow only at the highest elevations.<img src="https://media.weathernationtv.com/app/uploads/2025/12/Screenshot 2025-12-09 121907-1765308046419.png">For more details, be sure to join us live!

Alana Cameron

Atmospheric River Aimed At The Northwest

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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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The Northern Tier of the country is no stranger to cold, and Tuesday morning proved that with multiple record lows. Watertown, New York, saw a morning low of -18°! Brrrrr! This beat out the old record of -16° in 2008! Temperatures will not be as cold on Wednesday, but get ready for another blast of colder air by the end of the week! <img src="https://media.weathernationtv.com/app/uploads/2025/12/Screenshot 2025-12-09 115311-1765306414633.png"><h1>Another Blast Of Cold Air </h1> Temperatures rebound for a day or two, with more dangerously cold weather expected at the end of the week and into the weekend! Temperatures will be 30° BELOW average for some, as this arctic air invades the Northern Plain and Northeast. <img src="https://media.weathernationtv.com/app/uploads/2025/12/Screenshot 2025-12-07 073203-1765117998448.jpg"><img src="https://media.weathernationtv.com/app/uploads/2025/12/northern plains forecast highs-1765315769313.png">With this next blast of arctic air later in the week, temperatures will again plummet. Chicago starts in the 30s on Wednesday, but by Saturday and Sunday will see high temperatures in the low teens! Bismarck, North Dakota, will see a high of -1° on Friday, and morning lows will be well below zero for the weekend! Bundle up! <img src="https://media.weathernationtv.com/app/uploads/2025/12/chigaco-1765315412618.png"><img src="https://media.weathernationtv.com/app/uploads/2025/12/bismark-1765315525647.png">Stay tuned to WeatherNation for the latest details.

Here Comes Another Push of Arctic Air

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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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NORTHEAST - The northeastern U.S. is in for some wintry weather over the course of the week, with a couple of clipper systems dropping in from the northern Plains expected. The first clipper is moving through this afternoon, set to bring snowfall to portions of New York and northern New England. The stronger clipper that moves into this region arrives on Wednesday and continues into Thursday.<video src="https://media.weathernationtv.com/app/uploads/2025/12/SNS-1765314673361.mp4" controls="true" width="100%"></video>Widespread winter alerts have been getting issued for portions of the northeastern U.S. in anticipation of the second clipper system to move through.<img src="https://media.weathernationtv.com/app/uploads/2025/12/Screenshot 2025-12-09 124043-1765309258951.png">Blizzard alerts have also been issued for portions of West Virginia from Wednesday through Thursday. Visibility may drop to 1/4 of a mile, snowfall totals between 8-12", and winds up to 50 mph.<img src="https://media.weathernationtv.com/app/uploads/2025/12/Screenshot 2025-12-09 110833-1765303751092.png">Snowfall totals will be even heavier in the snowbelts, where lake effect snowfall is expected to pick up throughout the week.<img src="https://media.weathernationtv.com/app/uploads/2025/12/Screenshot 2025-12-09 110849-1765303817363.png">Winds will be a problem for visibility late Wednesday into Thursday as the front moves through. Widespread 30-40 mph gusts are expected.<video src="https://media.weathernationtv.com/app/uploads/2025/12/HFJAA-1765314749858.mp4" controls="true" width="100%"></video>Be cautious because the air will turn cold later this week, so if you get rain from these clippers and the road remains wet, black ice could be a problem end of week.

Blizzard Alerts Issued In West Virginia

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Brittany Lockley

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DENVER, CO - Denver saw its first significant snow this season earlier this week, with 6.5 inches reported downtown! The highest totals were reported in the higher elevations, with 11 inches recorded in Genesee.<img src="https://media.weathernationtv.com/app/uploads/2025/12/Screenshot 2025-12-04 095720-1764867453909.png"><h1>Forecast Snow</h1>Further snow is in store for the Rocky Mountains as a frontal system dives in. Precipitation began in northern Utah Friday evening and will spread across Colorado overnight and into Saturday morning. Another round of snow is likely for the weekend with higher moisture content coming from the Northwest.<img src="https://media.weathernationtv.com/app/uploads/2025/12/Screenshot 2025-12-05 202547-1764991557250.png"><video src="https://media.weathernationtv.com/app/uploads/2025/12/rockieswnoww-1764991689293.mp4" controls="true" width="100%"></video>With today's round and our late-week round, snowfall totals may reach upwards of a foot plus in the higher elevations.<img src="https://media.weathernationtv.com/app/uploads/2025/12/Screenshot 2025-12-05 202838-1764991729249.png">This snowfall is more than welcome for some of the ski resorts in the Rockies. With not that many runs open, 12-15" in places like Steamboat Springs will make a difference.<img src="https://media.weathernationtv.com/app/uploads/2025/12/Screenshot 2025-12-05 202904-1764991750430.png">Make sure to stay tuned to WeatherNation for the latest on snowfall totals across the front-range.

Dave Holder

Overnight Snow for the Colorado Rockies

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Rob grew up in South Florida, where daily afternoon storms and hurricanes piqued his interest in meteorology early on. That interest was fostered by his teachers and his father, who one time brought him onto the roof of their home to watch a funnel cloud move through the Everglades several miles away. Years of filmmaking and tv production in high school gradually pushed him toward broadcast meteorology at Florida State University, where he joined and eventually led the student run daily weather show. After graduating with a Bachelors of Science in Meteorology, he began his career at KESQ in Palm Springs, California before heading to KFSN in Fresno and WLOS in Asheville, North Carolina. He has covered a diverse array of extreme weather events, including haboobs and flash flooding in the desert, extreme snow in the Sierra, hurricanes, and Appalachian ice storms. He also enjoys telling stories and reporting about weather issues.

Connect with Rob on <a href="https://twitter.com/WxRobBradley">Twitter</a>

Rob Bradley

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Multiple low-pressure systems moving across the country will bring heavy rain to the Gulf Coast through the end of the week, but on the northern periphery of these lows, cold air will linger, turning rain into snow and ice! The snow started falling Thursday morning in Texas and Oklahoma before moving east Thursday afternoon. <div class="twitter-tweet" style="display: flex; justify-content: center" data-twitt-post-id="1996640648766628256" src="https://x.com/WeatherNation/status/1996640648766628256"></div> Winter weather advisories are in effect through Friday afternoon from North Carolina through eastern Maryland for light/moderate snow and some light icing. Expect roads to be slick with temperatures in the 20s.<img src="https://media.weathernationtv.com/app/uploads/2025/12/pic6-1764963628163.png">Virginia into North Carolina and some areas around the Chesapeake Bay will see a round of mostly snow on Friday morning, with moderate ice accretions possible along the Blue Ridge Escarpment in Western North Carolina. Some snow may linger along the Mid-Atlantic coast into New Jersey and Delaware into the afternoon and early evening.<video src="https://media.weathernationtv.com/app/uploads/2025/12/FORECAST-1764971120854.mp4" controls="true" width="100%"></video>Snow accumulations look mostly minor, generally 1-3 inches, but higher elevations in the Blue Ridge Mountains could see some 3-6 inch totals. Freezing rain and sleet aren't expected to cause major issues, but elevated surfaces (like bridges and overpasses) could be slick, primarily in North Carolina Friday morning.<img src="https://media.weathernationtv.com/app/uploads/2025/12/1-1764905174956.png">T

Patrick Crawford

Snow & Ice Lingers for the Mid-Atlantic & Appalachians

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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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MONTANA - A clipper system has been moving through the Rockies and High Plains and brought upwards of 4-7" of snowfall across portions of Montana. More snow is in store across the Northern Plains to Midwest to Northeast as the clippers move through.<video src="https://media.weathernationtv.com/app/uploads/2025/12/New Baron Video 3-1764813457932.mp4" controls="true" width="100%"></video>These totals will pile up across the northern plains, with the highest totals staying out west across the Northern Rockies.<img src="https://media.weathernationtv.com/app/uploads/2025/12/Screenshot 2025-12-03 162020-1764804026521.png">Gusty winds will also play a role in the forecast. We can expect rounds of 25-30mph wind gusts. In some cases, maybe even higher than that! Watch out for those wind chill temperatures as they will drop as the winds come through with each clipper system.<video src="https://media.weathernationtv.com/app/uploads/2025/12/12-03 rnc bams3k wind-1764786148016.mp4" controls="true" width="100%"></video>Clipper systems are notorious for bringing quick-accumulating snowfall. But, even if snow totals are not significant, it doesn't mean dangerous road conditions won't be present. The Iowa Department of Transportation reports over 70% of weather-related crashes happen when there is 2" or LESS of snowfall. Use caution on snowy roadways and most importantly: SLOW DOWN.<img src="https://media.weathernationtv.com/app/uploads/2025/12/Screenshot 2025-12-02 154321-1764715481857.png">Make sure to stay tuned to WeatherNation for all the latest details on these systems!

Jesse Kelley

Northern U.S. Bracing for Multiple Clipper Systems this Week

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We're hoping many Thanksgiving travelers have made it home, because this next system has brought rain, ice, and snowfall from the Mid-South to the Northeast. The combination of an upper-level low drawing in cold air and a surface low pulling in warm Gulf moisture will set some of us up for ice, others for rain, and many for heavy snowfall. So gear up for what you can expect in your neighborhood. Kansas and Nebraska already saw 2-4" of snowfall on Monday morning.<div class="twitter-tweet" style="display: flex; justify-content: center" data-twitt-post-id="1995549367382753424" src="https://x.com/WeatherNation/status/1995549367382753424"></div><h2>Overall Set-Up</h2>Several components come into play when we talk about different types of wintry precipitation, and the temperature profile of the atmosphere is one of the most important. In this forecast, a strong upper-level low will draw in cold air aloft. At the surface, a low will pull in warm Gulf moisture. What happens between these layers determines whether precipitation falls as rain, freezing rain, sleet, a rain/snow mix, or snow.<img src="https://media.weathernationtv.com/app/uploads/2025/12/Screenshot 2025-12-01 041042-1764587449453.png">Winter alerts are starting to trim back as the low pressure system pushes farther north and east, but many remain in effect through tonight.<img src="https://media.weathernationtv.com/app/uploads/2025/12/Screenshot 2025-12-02 135101-1764708672189.png"><h2>Forecast Timing</h2>Based on current timing, snow will reach the Northeast through Tuesday night before the system exits offshore early Wednesday morning.<video src="https://media.weathernationtv.com/app/uploads/2025/12/2025-12-02 11-14-48-1764692115278.mp4" controls="true" width="100%"></video>Snowfall totals will vary depending on how cold the temperatures get throughout the event. The heaviest totals are expected to climb over 6 inches in the Northeast. Our forecast models are topping out closer to a foot for northern New England.<img src="https://media.weathernationtv.com/app/uploads/2025/12/Screenshot 2025-12-02 135106-1764708709573.png">Ice accumulations generally range from a light glaze up to 0.1". When forecasts show totals approaching 0.25" or more, power outages become possible, and travel can become nearly impossible.

Gulf Low turns Coastal Low as Millions Brace for Plowable Snow

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February is a little longer this year thanks to 2020 being a leap year, but how is that calculated? Hint: It's not every four years! Meteorologist Steve Glazier explains in the video below.

https://youtu.be/S_csshx2Xr8

Here are the basic guidelines for calculating a leap year:
<ul>
 	<li>Any year evenly divisible by 4, except if that year is also evenly divisible by 100, unless that year is also evenly divisible by 400</li>
</ul>
Confused? Be sure to watch the video above! Long story short, it does not take exactly 365 calendar days to make one orbit around our sun. It takes roughly 365.24 days and that extra time needs to be accounted for occasionally to make sure time is correct. That's why an extra day is added on to February every four years (mostly, according to the exceptions above). Enjoy the extra day this weekend!

Leap Year: Explained

Atmospheric River Aimed At The Northwest

NORTHWEST - Now through Wednesday, we will se

Here Comes Another Push of Arctic Air

The Northern Tier of the country is no strang

Blizzard Alerts Issued In West Virginia

NORTHEAST - The northeastern U.S. is in for s

Overnight Snow for the Colorado Rockies

DENVER, CO - Denver saw its first significant

Snow & Ice Lingers for the Mid-Atlantic & Appalachians

Multiple low-pressure systems moving across t

Northern U.S. Bracing for Multiple Clipper Systems this Week

MONTANA - A clipper system has been moving th

Gulf Low turns Coastal Low as Millions Brace for Plowable Snow

We're hoping many Thanksgiving travelers have