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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Winter alerts have been issued for the Sierra Nevada as a large, digging trough disrupts the <a target="_blank" rel="noopener noreferrer nofollow" href="https://www.weathernationtv.com/news/warm-weather-sticks-around-the-west">warm ridge that's been residing in the west</a>. The west can expect widespread rain chances, mountain snow, and cooler temperatures for the rest of the work week.<h1>SET-UP</h1>A digging mid to upper-level trough will bring in widespread vertical lift to the western U.S. As the trough helps draw in tropical moisture, it will meet a cool low-pressure system at the surface. As a cold front crashes east and south, precipitation chances will spread from border to border, into the Cascades, Rockies, and eventually across the country.<video src="https://media.weathernationtv.com/app/uploads/2025/11/11-12_west-1762978459957.mp4" controls="true" width="100%"></video>Onshore flow will begin today, bringing a few pre-frontal showers. As the cold front moves inland tonight, storms will become more widespread, especially through Oregon and northern California. Dropping overnight temperatures will ensure snowfall in the mountainous regions, which will carry into Thursday. As the front pushes south, Southern California will see a good chance of rain by Thursday evening. We may even see some snow at the highest elevation peaks in SoCal. As the surface low wraps up within itself, scattered showers and mountain snow will continue across the Pacific Northwest on Thursday.The first wave will move into the Rockies and Four Corners states on Friday, as another trough comes ashore. This will mean another round of precipitation from Northern California to the Canadian border, moving into the northern Rockies for the weekend.<video src="https://media.weathernationtv.com/app/uploads/2025/11/11-12_West bams3k-1762978491276.mp4" controls="true" width="100%"></video><h1>CALIFORNIA IMPACTS</h1>Winter alerts have already been issued for the Sierra Nevada, beginning tonight and lasting through the end of the day on Thursday. One to two feet of snow is expected at and above pass level, and 4-12" is possible above 5000 feet.<img src="https://media.weathernationtv.com/app/uploads/2025/11/Screenshot 2025-11-12 131512-1762978526524.png"><img src="https://media.weathernationtv.com/app/uploads/2025/11/Screenshot 2025-11-12 131508-1762978533810.png"><img src="https://media.weathernationtv.com/app/uploads/2025/11/WeatherStory3-1762872780059.png"><a target="_blank" rel="noopener noreferrer nofollow" href="https://www.weather.gov/rev">NWS Reno</a> is also highlighting the danger of the winds. Gusts will easily reach 40 mph, but could exceed 100 mph along ridge tops. With snow falling, whiteout conditions will make driving impossible.<img src="https://media.weathernationtv.com/app/uploads/2025/11/Web 9-1762950091628.png">Rainfall totals will be heaviest along the northern California coastline, where the brunt of the moisture is focused from the atmospheric river. We will have to watch out for totals in southern California to reach 1-2" at lower elevations and 2-4" in the mountains and hills.<h1><img src="https://media.weathernationtv.com/app/uploads/2025/11/Screenshot 2025-11-12 131634-1762978599484.png">NORTHWEST IMPACTS</h1>Coastal areas will see the highest rain totals, especially in southwest Oregon.<img src="https://media.weathernationtv.com/app/uploads/2025/11/Screenshot 2025-11-12 105055-1762969913342.png">No winter alerts have been issued for the Cascades yet, but they will likely be needed as totals reach the 1-2 foot range.<img src="https://media.weathernationtv.com/app/uploads/2025/11/Screenshot 2025-11-11 080034-1762873243169.png">

Alana Cameron

Western Waves Bring Soggy, Snowy Pattern

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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 season’s first Arctic blast surged into the South, arriving nearly three weeks ahead of meteorological winter, which begins December 1. Driven by a deep upper-level trough, this system has funneled frigid Canadian air all the way down to Texas. Multiple record lows were set over the past few days across the south and southeast. The good news: we're warming back up!<img src="https://media.weathernationtv.com/app/uploads/2025/11/Web 1-1762947369987.png">We will see a pattern change this week, with temperatures becoming average, and then above average as a high-pressure system ridges back in by the end of the week!<video src="https://media.weathernationtv.com/app/uploads/2025/11/2025-11-12 06-35-47-1762947394918.mp4" controls="true" width="100%"></video><img src="https://media.weathernationtv.com/app/uploads/2025/11/Web 2-1762947531574.png">Get forecast details for your section of the country with our regional forecasts, which air at :10, :30, and :50 past the hour from east to west. You can also watch the latest forecast anytime with the WeatherNation app!

Last Morning of Record Cold - Digging Out the Rest of the Week

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Kevin Schneider

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If it hasn't been wet, it's been warm out West. This week looks no different as our good friend, an Upper Level Ridge, will keep hold for the next day. That will keep the quiet weather around, but will start to push temperatures into historic levels by midweek. Plenty of records Monday and Tuesday afternoon from California to Arizona.<img src="https://media.weathernationtv.com/app/uploads/2025/11/Web 3-1762948621307.png"><video src="https://media.weathernationtv.com/app/uploads/2025/11/2025-11-12 06-47-03-1762948077658.mp4" controls="true" width="100%"></video>Temperatures are expected to run above average through the week in many of our southwestern cities.<img src="https://media.weathernationtv.com/app/uploads/2025/11/Web 6-1762948853266.png">Salt Lake City will see a high of 69° on Thursday. This city normally averages 54°. Denver, CO normally has an average of 55°, but will dig into the 70s on Friday!<img src="https://media.weathernationtv.com/app/uploads/2025/11/DENVER CO -1762905718147.png">There is some good news in all of this: it's a short-lived snap of hot weather. By Tuesday and Wednesday, the breezy winds will back off, and that should help temperatures settle closer to normal for this time of year. Click over to your <a target="_blank" rel="noopener noreferrer nofollow" href="https://www.weathernationtv.com/video-on-demand">West Regional Forecast</a> to find out how long it'll last in the Four Corners<h1>SOUTH CENTRAL</h1><img src="https://media.weathernationtv.com/app/uploads/2025/11/Web 5-1762948895102.png"><img src="https://media.weathernationtv.com/app/uploads/2025/11/Screenshot 2025-11-12 105250-1762969976380.png">

Record Heat Spreads into the Plains

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WeatherNation Meteorologists

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<div class="twitter-tweet" style="display: flex; justify-content: center" data-twitt-post-id="1988464269105717604" src="https://x.com/WeatherNation/status/1988464269105717604"></div>The Northern Lights (Auroras—commonly seen near the poles—occur when charged particles from the sun collide with Earth’s atmosphere.) are being seen by thousands! With photos and videos prove that skygaziers are spotting them much farther south in the United States and Europe over the last two years. It begs the question...Why are we seeing these geomagnetic storms that are far more reaching than normal?The reason? The sun is undergoing a dramatic magnetic shift. Every 11 years, its poles reverse, creating intense magnetic twists and disturbances that fuel these vivid light shows.Aurora lovers, rejoice! The Space Weather Prediction Center correctly said Tuesday, November 11th, aurora chances could be seen as far south as Alabama and California. Space weather forecasters predict more dazzling displays AGAIN Wednesday night into Thursday. <div class="twitter-tweet" style="display: flex; justify-content: center" data-twitt-post-id="1988294702827802778" src="https://x.com/NWSSWPC/status/1988294702827802778?s=20"></div>ANOTHER coronal mass ejection (CME) is expected to arrive at and impact the Earth with the potential for elevated geomagnetic response, AKA: more auroras. As of 1 pm ET on November 12th, the SWPC issued a Geomagnetic Storm Watch of G4 or higher, the same alert level issued for Tuesday night into Wednesday!<img src="https://media.weathernationtv.com/app/uploads/2025/11/Screenshot 2025-11-12 112939-1762972276799.png"><h3>THE FORECAST:</h3>Timing with the arrival of CME's and their corresponding aurora is difficult to forecast, but this is the latest outlook from the Space Weather Prediction Center (released around midday Wednesday) for Wednesday night. Going to a dark location away from city lights will increase visibility of the aurora. <img src="https://media.weathernationtv.com/app/uploads/2025/11/Screenshot 2025-11-12 112933-1762972286670.png">You can learn more on how to view and photograph the aurora by visiting <a target="_blank" rel="noopener noreferrer nofollow" href="https://science.nasa.gov/feature/nasas-guide-to-finding-and-photographing-auroras/">NASA's Guide</a>.<h3>THE COLORS:</h3>The colors you see during an aurora event is based on the type of gasses and their elevations within the atmospheric as they react to the solar influence.<img src="https://media.weathernationtv.com/app/uploads/2025/11/THE COLORS-1762887760023.png">Oxygen and nitrogen provide the colors typically seen within the aurora, with green being the most common. You can learn more about <a target="_blank" rel="noopener noreferrer nofollow" href="https://www.nps.gov/articles/-articles-aps-v8-i1-c9.htm">the science behind the colors</a> with the National Park Service.As always, submit your photos and videos of the aurora to us here at WeatherNation. Tag us on social media, or submit them to our email feedback@weathernationtv.com.

Brian Hartman

Solar Storm Visible as far south as Alabama - Another Round Arrives Wednesday Night

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Tracey Anthony

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The lake effect snow season has arrived, with heavy snow expected now through Tuesday. Places in the Upper Peninsula of Michigan have already received a foot of snow! <img src="https://media.weathernationtv.com/app/uploads/2025/11/Screenshot 2025-11-10 054716-1762778844004.jpg"> Winter weather alerts remain in place all across the shores of the Great Lakes through Tuesday. An additional 6-12" in some locations, with heavy snowfall rates likely reducing visibility at times, will make travel very difficult.<img src="https://media.weathernationtv.com/app/uploads/2025/11/Screenshot 2025-11-11 073236-1762871565435.jpg"><img src="https://media.weathernationtv.com/app/uploads/2025/11/Screenshot 2025-11-11 105614-1762883788305.png"><h1>How Lake Effect Works</h1>Water has a much higher heat capacity than air, meaning it takes more time to warm up and cool down. This leads to "mild" water temperatures in the Great Lakes while the air overhead can be much cooler. As the cold, dry air moves over these areas, it's able to evaporate moisture from the lakes until it condenses into clouds and precipitation before falling out over land. Typically, we need at least a 13° F difference between the lake water and the air aloft (around 1500 m, or 4500-5000 ft) for lake effect snow to form.<h1>Forecast</h1>With winds coming over the Great Lakes, we can still anticipate lake effect snowfall to continue. Next, a quick-moving clipper will move through to bring a few wintry bands to the snowbelt.<video src="https://media.weathernationtv.com/app/uploads/2025/11/11-11 rne-1762883738383.mp4" controls="true" width="100%"></video>Take this snow event as an example for the next one, make sure your vehicle is ready for winter travel with some good tread on your tires and a winter driving kit. You can catch the latest forecast for the Great Lakes anytime by using the WeatherNation app to view the Central Regional Forecast. You can also tune in to WeatherNationTV at :30 past the hour!

Lake Effect Snow Wraps Up Today

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<div class="twitter-tweet" style="display: flex; justify-content: center" data-twitt-post-id="1987357561679745278" src="https://x.com/WeatherNation/status/1987357561679745278"></div><img src="https://media.weathernationtv.com/app/uploads/2025/11/Web 3-1762697557299.png">The much-anticipated cold front that will slash temperatures has been moving through the Southeast. Ahead of the front, warm temperatures and plenty of moisture has kept the severe threat going overnight.The Storm Prediction Center has kept a severe weather threat at a MARGINAL (level 1 out of 5) risk for Florida into the overnight and dies down into Monday morning to be met with cold cold air behind.<img src="https://media.weathernationtv.com/app/uploads/2025/11/Screenshot 2025-11-09 175721-1762736328951.png">

Severe Threat Ending With Florida

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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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A system has been bringing snow across the Plains and Midwest on Saturday. This same system will continue to push through the Great Lakes into Sunday morning. Some areas have already seen some snow accumulation in the last 24 hours.<img src="https://media.weathernationtv.com/app/uploads/2025/11/pic6-1762642526724.png">Moderate rainfall and lighter snow will continue to drift east with the low-pressure system into Saturday night and Sunday morning. <video src="https://media.weathernationtv.com/app/uploads/2025/11/FORECAST-1762633208979.mp4" controls="true" width="100%"></video><h1>Winds &amp; Temperatures</h1>Afternoon highs will struggle to warm out of the 30s for most areas impacted by the precipitation. Keep in mind, another feature of quick systems like these is gusty winds. With wind gusts 20-30mph, it's going to feel even cooler. <img src="https://media.weathernationtv.com/app/uploads/2025/11/pic6-1762642809204.png">Much colder air is expected Sunday into next week as an <a target="_blank" rel="noopener noreferrer nofollow" href="https://www.weathernationtv.com/news/record-warmth-possible-from-nevada-to-texas">arctic blast brings the coldest air of the season to many parts of the south central and southeastern U.S.</a> For more information, be sure to join us on WeatherNation at :30 past the hour for your Central Regional Forecast.

Patrick Crawford

Midwest Clipper Brings Light Snow, Gusty Winds

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Another storm system will impact the West into this weekend, bringing another round of snow to the region. The previous storm system, <a href="http://bit.ly/2D1YB7z" target="_blank" rel="noopener">now in the Great Lakes and Plains</a>, brought <a href="https://media.weathernationtv.com/news/no-snow-flagstaff-blame-la-nina/" target="_blank" rel="noopener">Flagstaff it's first snowfall of the season</a> Tuesday into Wednesday. By now, the city usually has seen 3 feet of snow on average.

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Winter Storm Warnings extend from the Cascades through Glacier National Park into the Tetons. Another 1 to 2 feet of snow is possible in the highest elevations.

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Another low pressure center is moving into the Pacific Northwest, spreading moisture from the coast to the Wasatch. Snow will spread into the Front Range Friday.

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For WeatherNation: Meteorologist Mace Michaels

First Snow in Flagstaff of the Season with More Snow Ahead in the West

Western Waves Bring Soggy, Snowy Pattern

Winter alerts have been issued for the Sierra

Last Morning of Record Cold - Digging Out the Rest of the Week

The season’s first Arctic blast surged into t

Record Heat Spreads into the Plains

If it hasn't been wet, it's been warm out Wes

Solar Storm Visible as far south as Alabama - Another Round Arrives Wednesday Night

The Northern Lights (Auroras—commonly seen ne

Lake Effect Snow Wraps Up Today

The lake effect snow season has arrived, with

Severe Threat Ending With Florida

The much-anticipated cold front that will sla

Midwest Clipper Brings Light Snow, Gusty Winds

A system has been bringing snow across the Pl