Brittany Lockley

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NEW YORK - Numerous tornado-warned storms moved through New York and Pennsylvania late Wednesday evening, causing stormy scenes like above in Avon, NY. Winds were reported up to 76 mph in the city of Seneca Falls, New York, and hail was reported up to 2" in Michigan.<img src="https://media.weathernationtv.com/app/uploads/2026/09/Screenshot 2026-09-03 040555-1788429969009.png"><h1>Severe Threat Shifts South Thursday&nbsp;</h1>The unsettled pattern will continue Thursday as another round of thunderstorms develops from portions of the Ohio Valley toward the Mid-Atlantic.&nbsp;The latest Storm Prediction Center outlook includes a SLIGHT risk (level 2 out of 5) for parts of this corridor, with scattered storms capable of producing damaging winds. Some storms farther west could also produce large hail.&nbsp;<img src="https://media.weathernationtv.com/app/uploads/2026/09/Screenshot 2026-09-03 040155-1788429726329.png"><img src="https://media.weathernationtv.com/app/uploads/2026/09/Screenshot 2026-09-03 040218-1788429746890.png"><h1>Heavy Rainfall Raises Flash-Flooding Concerns&nbsp;</h1>Repeated rounds of storms have led to swollen riverways in areas around the Northeast, like Indiana, in the past week. This week, the concern is more centered around flash flooding, when it simply rains too hard for too long. Portions of New York, Pennsylvania, and New Jersey look to see some of the heavier rain totals over the next few days.<img src="https://media.weathernationtv.com/app/uploads/2026/09/Screenshot 2026-09-03 040320-1788429812262.png">Cities like New York, Poughkeepsie, and Syracuse in New York State should stay vigilant of the flooding potential. This is especially true considering the heavy rainfall we have seen here over the last several weeks.<img src="https://media.weathernationtv.com/app/uploads/2026/09/Screenshot 2026-09-03 040345-1788429865322.png"><img src="https://media.weathernationtv.com/app/uploads/2026/09/Screenshot 2026-09-03 040352-1788429873715.png"><h1>Storms&nbsp;Continue into Friday&nbsp;</h1>Another disturbance moving through the eastern U.S. could keep the severe-weather threat going Friday.&nbsp;The greatest risk is expected to shift farther into the southern Mid-Atlantic, where damaging wind gusts could once again be the main hazard. Some strong storms may eventually reach portions of the Carolinas.&nbsp;<img src="https://media.weathernationtv.com/app/uploads/2026/09/Screenshot 2026-09-03 040454-1788429905373.png">By Saturday, the overall pattern should begin to change, although a lingering threat for strong or severe thunderstorms may remain across parts of the Carolinas.&nbsp;Residents from the Great Lakes to the Northeast, Mid-Atlantic and eventually the Carolinas should remain weather-aware over the next several days. With repeated rounds of thunderstorms possible, some communities could experience more than one episode of severe weather or flooding before conditions finally improve.&nbsp;<img src="https://media.weathernationtv.com/app/uploads/2026/09/Screenshot 2026-09-03 040516-1788429929177.png"><h2>Storm Timing</h2>Storms will continue overnight across New York and into more towards the Atlantic Coast so be prepared for some rumbles of thunder, gusty winds, and isolated tornadoes through Thursday. More rounds of thunderstorms will punch through into your Thursday and Friday with ample energy to support these severe weather hazards.<video src="https://media.weathernationtv.com/app/uploads/2026/09/09-02_rne bams overnight-1788398807585.mp4" controls="true" width="100%"></video>For more on the severe and flooding threat across the Northeast, tune in to WeatherNation :10 past the hour for your Eastern Regional Forecast.

Multiple Rounds of Severe Storms Threaten Northeast

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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!

Alana Cameron

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Tropical Storm Edouard made landfall along the northwestern Gulf Coast on Monday, September 1st. The National Hurricane Center used radar data from Lake Charles, LA and Houston, TX to determine maximum sustained winds of 60 mph as it moved ashore around 2:20 PM CT near Johnson Bayou, LA.<img src="https://media.weathernationtv.com/app/uploads/2026/09/Screenshot 2026-09-02 194333-1788399821665.png">Wind speeds across portions of Texas peaked to 90 mph. Multiple areas saw wind speeds over 70 mph.<img src="https://media.weathernationtv.com/app/uploads/2026/09/Screenshot 2026-09-02 074944-1788356992093.png">Along with the strong winds, heavy rainfall has also been a big part of this storm system. Totals have peaked to nearly 16" in the last 24 hours for cities in Texas.<h1><img src="https://media.weathernationtv.com/app/uploads/2026/09/pic4-1788382940581.png">Impacts Still Expected</h1>Through the overnight hours, the Weather Prediction Center has maintained a HIGH risk for flash flooding. This is the highest level of out look you can get for flash flooding. <img src="https://media.weathernationtv.com/app/uploads/2026/09/Screenshot 2026-09-02 105746-1788368289265.png">Part of the reason for such a high risk is because of the amount of rainfall that happened in such a short period of time and rivers cresting and exceeding their banks very quickly. The city of Kountze, Texas experienced some significant flooding as Edouard moved inland and we're expecting to see the river crest throughout Thursday.<img src="https://media.weathernationtv.com/app/uploads/2026/09/Screenshot 2026-09-02 194555-1788399972457.png">For Thursday, the WPC increased their flooding potential to a level 3 out of 4, MODERATE, risk for flash flooding.<img src="https://media.weathernationtv.com/app/uploads/2026/09/Screenshot 2026-09-02 194309-1788399998405.png">Rainfall totals may still exceed 5-6 inches in many east and north Texas locations through Thursday.<img src="https://media.weathernationtv.com/app/uploads/2026/09/Screenshot 2026-09-02 194316-1788400021665.png">El Niño has been smothering tropical waves in the Atlantic this summer, with four named storms to date but only 10% of average cyclone energy!<img src="https://media.weathernationtv.com/app/uploads/2026/09/Screenshot 2026-09-01 085151-1788274328585.png">This doesn't mean the rest of the season will be just as quiet, however, as 66% of all hurricane activity in the Atlantic occurs between August 20th and October 10th. The climatological peak of Atlantic Hurricane Season is September 10.<img src="https://media.weathernationtv.com/app/uploads/2026/09/Screenshot 2026-09-01 073315-1788269605465.png">

East Texas Still Vulnerable for Flooding After Edouard

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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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Moisture from Marie, along with a trough to the north, will pull moisture into Southern California this weekend. The exact amount of moisture is greatly impacted by the exact track of Marie. Even minor changes in the track could make big impacts. As of Wednesday evening, Marie remains a Tropical Storm but is expected to become a Hurricane.<img src="https://media.weathernationtv.com/app/uploads/2026/09/Screenshot 2026-09-02 194918-1788400164963.png">There are already Excessive Rainfall Outlooks in place for the weekend across the Southwest. The risks, for now, are MARGINAL. This could change.<img src="https://media.weathernationtv.com/app/uploads/2026/09/Screenshot 2026-09-02 195015-1788400221024.png">Below is the latest on the timing. The four corners will also see some pockets of heavy rainfall over the next few days as we round out the work week.<video src="https://media.weathernationtv.com/app/uploads/2026/09/09023-1788368442216.mp4" controls="true" width="100%"></video>Another big impact to watch out for will be high surf and dangerous rip currents. Even without a landfalling tropical storm, waves and rip currents can be greatly impacted. South facing beaches in Southern California should be on high alert for these changing conditions. Expect high surf and dangerous rip currents for the Labor Day Weekend.<img src="https://media.weathernationtv.com/app/uploads/2026/09/Screenshot 2026-09-02 105303-1788368116857.png">If you are going to the beaches, swim near a lifeguard! This is true even for more experienced swimmers.If you ever find yourself caught in a rip current:<ol><li>Don't panic. If you panic and try to swim back to shore against the current, you will exhaust your energy.</li><li>Swim parallel to the coastline. Once you're out of the grip of the rip you'll be able to move towards the shoreline.</li><li>If swimming parallel is too difficult. Float on your back and try to signal for help!</li><li>Listen to the lifeguards and monitor beach conditions before you go into the water.</li></ol><img src="https://media.weathernationtv.com/app/uploads/2026/09/Screenshot 2026-09-02 081848-1788368179615.jpg">Stay tuned to WeatherNation for the latest in the forecast.

Marie Could Impact Labor Day Plans in Southern California

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The Pacific hurricane season is showing no signs of slowing down as multiple tropical systems churn across the basin, with warm ocean temperatures and a strengthening El Niño helping create favorable conditions for development. Hurricane Karina (now a major hurricane), Hurricane Lowell (now a major hurricane), and Tropical Storm Marie are among the latest systems to form over the open Pacific.Marie is the most recent storm to develop and could have implications for the southwestern U.S. Impacts are not likely to be direct, as the system will strengthen to hurricane status and move west, out to sea.<img src="https://media.weathernationtv.com/app/uploads/2026/09/Screenshot 2026-09-02 185522-1788396928245.png">But Marie's moisture may get pulled up by a trough off the west coast of the United States. As it digs south, it can tap into the Pacific moisture of Marie and pull it into Southern California, Nevada, and the Four Corners States. We'll be watching the weekend forecast for rain in already soggy, flood-stricken areas.MORE: <a target="_blank" rel="noopener noreferrer nofollow" href="https://www.weathernationtv.com/news/stormy-cooler-conditions-return-to-the-west">Monsoon Storms Bring Flooding to the Southwest</a><img src="https://media.weathernationtv.com/app/uploads/2026/09/Screenshot 2026-09-02 105610-1788368183778.png">With well above average sea surface temperatures in the Pacific, Lowell has strengthened to Category 5. Karina will stay a major hurricane for another day or so before gradually weakening and moving north of Hawaii.<img src="https://media.weathernationtv.com/app/uploads/2026/09/Screenshot 2026-09-02 155434-1788386111119.png"><h1>El Niño Helping Fuel Pacific Activity</h1>The surge in tropical activity comes as El Niño continues to strengthen across the equatorial Pacific. El Niño is characterized by warmer-than-average ocean temperatures across portions of the central and eastern equatorial Pacific. Those unusually warm waters can influence weather patterns around the globe while also creating an environment that can favor tropical cyclone activity in the Pacific.<img src="https://media.weathernationtv.com/app/uploads/2026/09/Screenshot 2026-09-02 105616-1788368212978.png">This year’s El Niño has already strengthened considerably, and forecasts indicate it could become exceptionally strong later this year.While the Pacific remains crowded with tropical systems, many of the current storms are expected to remain over open water. Still, with several additional areas being monitored, the active stretch of the 2026 Pacific hurricane season is far from over.Click here for more on what is happening in the Atlantic Basin: <a target="_blank" rel="noopener noreferrer nofollow" href="https://www.weathernationtv.com/news/Edouard-Impacts-Gulf-Coast">Edouard Impacting the Gulf Coast</a>

El Niño Powers a Party in the Pacific

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<h1>WHAT TO EXPECT</h1>There is a significant severe threat for hail and winds Thursday. Hail 2 inches in diameter or larger will be possible, and gusts 75 mph + will also be possible. Have multiple ways to get alerts, as some storms will hold together into the overnight hours.<img src="https://media.weathernationtv.com/app/uploads/2026/09/Screenshot 2026-09-02 195114-1788400331561.png">The Storm Prediction Center has a MARGINAL to SLIGHT risk for severe storms Thursday and Friday. Isolated tornadoes will also be possible on Thursday.<img src="https://media.weathernationtv.com/app/uploads/2026/09/Screenshot 2026-09-02 195118-1788400346486.png"><img src="https://media.weathernationtv.com/app/uploads/2026/09/Screenshot 2026-09-02 195232-1788400358755.png">Below is the latest on the timing of these storms Thursday and Friday.<video src="https://media.weathernationtv.com/app/uploads/2026/09/09-02 rnc thu-1788400367321.mp4" controls="true" width="100%"></video>For the latest updates on these storms, make sure to tune into the central regional forecast:30 past the hour.

More Severe Weather For The Plains

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WeatherNation Meteorologists

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Flood Watches are in effect throughout Arizona, Utah, and portions of Colorado (above). Watch for flash flood warnings, especially over recent burn scars. Many areas have been seeing heavy rainfall and flooding over the last few days.<div class="twitter-tweet" style="display: flex; justify-content: center" data-twitt-post-id="2094198484853457139" src="https://x.com/WeatherNation/status/2094198484853457139"></div>Flooding in Bright Angel Canyon has led to two confirmed fatalities and over 15 people missing.<img src="https://media.weathernationtv.com/app/uploads/2026/08/Screenshot 2026-08-31 134703-1788205659306.png">Pacific moisture continues to inundate the region, with days of heavy downpours for areas around the Four Corners. 1-4 inches of rain are expected in the favored locations, with scattered flash flooding possible.<img src="https://media.weathernationtv.com/app/uploads/2026/09/Screenshot 2026-09-01 040659-1788257481476.png"><h1>Drought Relief</h1>September is favored for above-average precipitation across a majority of the Western United States. This would be a great way to end a solid monsoon season, which runs through the end of the month.<img src="https://media.weathernationtv.com/app/uploads/2026/08/Screenshot 2026-08-29 075355-1788011658558.png">With more rain on the way, drought improvement is likely for some areas, while drought removal is even possible in others. Keep doing your rain dance (take video and tag us if you do!).<img src="https://media.weathernationtv.com/app/uploads/2026/08/Screenshot 2026-08-29 075403-1788011667031.png">

Adrian Hernandez

Monsoon Moisture Brings Flooding Across the Four Corners

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During El Nino, temperatures across the Eastern Pacific Ocean become warmer, or above normal. For the hurricane season, this means an increase in tropical activity across the Eastern Pacific.<img src="https://media.weathernationtv.com/app/uploads/2026/08/Screenshot 2026-08-26 160007-1787781615977.png">These warmer sea surface temperatures also mean an increase in shark activity for Southern California beaches. Meteorologist Taban Sharifi spoke to Dr. Christopher Lowe, professor of marine biology and director of the Shark Lab at California State University, Long Beach on how El Nino brings changes to marine life along the coast.<div data-youtube-video=""><iframe width="640" height="480" allowfullscreen="false" src="https://www.youtube.com/embed/1FcXy4BQcgA" start="0"></iframe></div>As the waters continue to warm through the Fall, Dr. Lowe talked about the changing species that will be seen across the Southern California waters that are not typically there. This includes hammerhead sharks, whale sharks, and even manta rays. This also includes white sharks. The water farther south will get too warm for the white sharks, that are normally off the Baha of California, and they will begin to push north. Dr. Lowe said, "It's going to push those juvenile white sharks that are normally in Mexico into Southern California waters." This is something they have already started to see happen during July and August of this year, and the numbers of these sharks are increasing. Dr. Lowe said the sharks could reach as far north as Santa Cruz, CA.<img src="https://media.weathernationtv.com/app/uploads/2026/08/Screenshot 2026-08-26 155905-1787784580682.png">There's a sweet spot for water temperatures for these sharks that sits between 64°-72°. Above 82° is when sharks begin to move north. Currently, water temperatures in the Eastern Pacific are significantly warmer than that 82° threshold.A message to beach goers: "Believe it or not, having all those white sharks off that beach might actually keep people safer. Because they are eating sting rays, there are fewer sting rays that might hurt people," said Dr. Lowe.Watch the full interview for more on how close these sharks get to the coastline and how scientists track their behavior.

Tracey Anthony

El Nino Pushes Sharks into Southern California Beaches

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After several weeks of deadly wildfires, much needed rain is finally headed to California, along with heavy snow in the Sierra Nevada Mountains. Travel will be impacted by several rounds of moisture to affect the state.

https://twitter.com/NWSSacramento/status/1065089959084871685

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Flash Flood Watches are now in effect as a parade of storms will bring moisture to the region mid-late week. Some areas could see 3" to 6" of rain by the weekend.

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Several waves of energy will bring the moisture from the Pacific Ocean to the region. The first round of rain for Northern California set to arrive Wednesday.

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After the arrival of Wednesday's rain, it's going to be a parade of storms through the weekend as additional rounds of moisture and energy swing through the area.

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There will also be a transition to much needed snow for the high country of the Sierra Nevada. Up to a foot of snow is possible by the weekend for higher elevations. Winter Storm Watches have been issued for elevations above 6000 feet.

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It is important to stay up-to-date to changes with this forecast. The timing of this event makes for higher impacts as more people frequent the highways and interstates for the Holidays. Debris flows, mudslides can shut down area roads quickly so be sure to plan your routes accordingly.

Meteorologist Merry Matthews

California: Severe Flash Flooding Possible for Burn Scar Areas

Multiple Rounds of Severe Storms Threaten Northeast

NEW YORK - Numerous tornado-warned storms mov

East Texas Still Vulnerable for Flooding After Edouard

Tropical Storm Edouard made landfall along th

Marie Could Impact Labor Day Plans in Southern California

Moisture from Marie, along with a trough to t

El Niño Powers a Party in the Pacific

The Pacific hurricane season is showing no si

More Severe Weather For The Plains

WHAT TO EXPECTThere is a significant severe t

Monsoon Moisture Brings Flooding Across the Four Corners

Flood Watches are in effect throughout Arizon

El Nino Pushes Sharks into Southern California Beaches

During El Nino, temperatures across the Easte