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 the one 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/pic4-1788469673460.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 an Enhanced risk (level 3 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/pic4-1788460164316.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 Friday morning. More rounds of thunderstorms will punch through Friday with ample energy to support these severe weather hazards.<video src="https://media.weathernationtv.com/app/uploads/2026/09/FORECAST-1788478521211.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.

Patrick Crawford

Multiple Rounds of Severe Storms Threaten Northeast

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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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While many don't associated tropical storms and hurricanes with the Desert Southwest, remnant moisture from these systems is typically pulled into the region several times a year from decaying systems in the Easter Pacific. This looks to be the case once again, as a trough in the Northwest pulled moisture north from Hurricane Marie this weekend. Thankfully, Marie will remain far offshore, bringing no wind impacts to Southern California, but rain could cause a few issues.<img src="https://media.weathernationtv.com/app/uploads/2026/09/Screenshot 2026-09-02 194918-1788400164963.png">Moisture will increase leading up to the weekend, increasing storm potential on Thursday and Friday in New Mexico and Arizona. <img src="https://media.weathernationtv.com/app/uploads/2026/09/Screenshot 2026-09-03 054035-1788435651931.png">Over the weekend, moisture will increase across Southern California, leading to their inclusion in the flood risk. San Diego has a low chance for flash flooding, indicated by the light green color.<img src="https://media.weathernationtv.com/app/uploads/2026/09/Screenshot 2026-09-03 053321-1788435209506.png">Storms stay concentrated from Eastern Arizona to Colorado Thursday and Friday afternoons before more of Marie's moisture is pulled in. Scattered showers and thunderstorms are expected over the weekend, with the afternoons expected to be the most active.<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's Moisture Pulled into the Southwest Labor Day Weekend

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WeatherNation Meteorologists

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Intense rainfall has inundated parts of Texas this week thanks to, what was, Tropical Storm Edouard. Rain totals east of I-45, north of Houston, have come in at over 15 inches for a few areas.<div class="twitter-tweet" style="display: flex; justify-content: center" data-twitt-post-id="2095195048312995975" src="https://x.com/WeatherNation/status/2095195048312995975"></div> The heavy rain led to flash flood emergencies being issued this past Wednesday, as roads became impassable in some areas. High rainfall totals for East Texas due to the heavy rain. <img src="https://media.weathernationtv.com/app/uploads/2026/09/pic4-1788473855278.png"> Additional heavy rain is expected for a few areas on Thursday, leading to a lingering flood threat, primarily due to saturated soils.<img src="https://media.weathernationtv.com/app/uploads/2026/09/pic4-1788474026008.png">The WPC has issued a moderate risk (level 3 out of 4) for parts of eastern Texas, with a level 2 threat that covers portions of the Dallas area. Isolated flooding may linger on Friday before the remnant moisture finally fades.<img src="https://media.weathernationtv.com/app/uploads/2026/09/pic4-1788474917265.png"><h1>Landfall</h1> Tropical Storm Edouard made landfall along the northwestern Gulf Coast on Tuesday, 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, leading to power outages for over 75,000 households.<img src="https://media.weathernationtv.com/app/uploads/2026/09/Screenshot 2026-09-02 074944-1788356992093.png">

Flood Threat Lingers in Texas After Edouard

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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>

Alana Cameron

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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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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Kevin Schneider

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It's that time of year again! Monsoons are upon us in the southwestern U.S. and are accompanied by above-average heat. Monsoon Season officially started back up on June 15th. Above is a clip of flash flooding from Tucson, AZ from this past weekend. As a reminder, never drive through flooded roadways! With how notoriously dry the desert is, there's an ongoing threat of flash flooding with monsoons and desert storms that pop up towards the afternoon.<video src="https://media.weathernationtv.com/app/uploads/2024/06/Baron 2-1719457806635.mp4" controls="true" width="100%"></video>Much of the Southwest is warm, about 5-10°F above average, putting places like Las Vegas, Phoenix, and Yuma near 110°F over the next 3 days. Stay hydrated and try to limit time outside in the hottest part of the day.<img src="https://media.weathernationtv.com/app/uploads/2024/06/1-1719458050763.png">Taking a look at the broader southwest, temperatures in the Four Corners States remain above average and in the 90s and triple digits this week for many of us. Salt Lake City may reach 100° on Tuesday, that's 13 degrees above average for late June.<img src="https://media.weathernationtv.com/app/uploads/2024/06/1-1719457996065.png">

Jesse Kelley