Brittany Lockley

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Friday marks the anniversary of Hurricane Katrina, one of the most devastating natural disasters in U.S. history. On August 29, 2005, the powerful storm made landfall along the Gulf Coast, leaving behind a humanitarian crisis that would forever change New Orleans and the surrounding communities. Two decades later, the memory of Katrina still resonates deeply with survivors, first responders, and all who witnessed the destruction.&nbsp;<img src="https://media.weathernationtv.com/app/uploads/2025/08/Screenshot 2025-08-29 082444-1756477525621.png">Katrina began as a tropical storm over the Bahamas on August 23 and quickly strengthened into a massive Category 5 hurricane over the Gulf of Mexico. It made landfall in South Florida as a Category 1 hurricane before moving into the Gulf. By the time it struck near Buras, Louisiana, on August 29, it had slightly weakened to a Category 3, but still packed winds of 125 mph and an unprecedented storm surge. The storm battered coastal areas of Louisiana, Mississippi, and Alabama, causing widespread damage and flooding.&nbsp;<video src="https://media.weathernationtv.com/app/uploads/2025/08/082725_PKG_TRT_4.09_JOSH WITH MISSISSIPPI RESIDENTS TALKING ABOUT THE EFFECTS OF KATRINA_NJ-1756463476792.mp4" controls="true" width="100%"></video>New Orleans bore the brunt of the disaster. However, it was not from wind, but from storm surge and catastrophic levee failures. About 80% of the city was submerged, with some neighborhoods under more than 10 feet of water. Tens of thousands of people were trapped without food, water, or medical care. The scenes of stranded families on rooftops and desperate conditions inside the Superdome shocked the world.&nbsp;<img src="https://media.weathernationtv.com/app/uploads/2025/08/Screenshot%202025-08-29%20042812-1756463302396.jpg">In total, Hurricane Katrina claimed over 1,800 lives and displaced more than a million people. The economic impact was equally staggering, with damage estimated at over $125 billion. Entire communities, were devastated, many of which still struggle with the long-term effects today.&nbsp;<img src="https://media.weathernationtv.com/app/uploads/2025/08/Screenshot 2025-08-29 042839-1756463328273.jpg">Twenty years later, Hurricane Katrina remains a defining moment in American history. While many parts of the Gulf Coast have rebuilt and moved forward, the anniversary is a time to honor the lives lost, recognize the resilience of survivors, and recommit to building safer, more equitable communities in the face of future storms.&nbsp;<video src="https://media.weathernationtv.com/app/uploads/2025/08/081225_SOT_.43_NAT PACK WITH KEN G READING THE WARNING BEFORE KATRINA WITH KATRINA BROLL_NJ_E081225-1756481328415.mp4" controls="true" width="100%"></video>Katrina was eye opening in the world of hurricane observation and forecasting. Meteorologist Jesse Kelley spoke with the current Meteorologist in Charge at the National Weather Service in New Orleans to see how Katrina still factors into their decision making today.<video src="https://media.weathernationtv.com/app/uploads/2025/08/PKG_TRT 4.26_KATRINAS LONG-LASTING IMPACTS ON NEW ORLEANS_JESSE KELLEY_LS_E082525-1756481347277.mp4" controls="true" width="100%"></video>Our own Hunter and Historian Josh Morgerman has close ties to the Gulf Coast, living in Bay St. Louis, MS. Dr. Jim Siebert sat down with him in a two part interview to talk about what made Katrina a historic storm and how he still sees its influences today.<video src="https://media.weathernationtv.com/app/uploads/2025/08/WHERE WERE YOU_TRT 4.23 PART 1_NJ_E082725-1756481839901.mp4" controls="true" width="100%"></video><video src="https://media.weathernationtv.com/app/uploads/2025/08/WHERE WERE YOU_TRT 5.17 PART 2_NJ_E082725-1756481927184.mp4" controls="true" width="100%"></video>

Patrick Crawford

Hurricane Katrina: Remembering the Devastation, 20 Years Later

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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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Back-to-back storm systems are tracking from the Rockies to the Gulf, increasing the flood threat into the holiday weekend with multiple rounds of heavy rain. Isolated severe storms are also possible. Intense rain fell on Thursday from Kansas to Mississippi, with over 5-8" reported in some areas. <img src="https://media.weathernationtv.com/app/uploads/2025/08/Screenshot 2025-08-29 061357-1756469666568.png">The severe weather risk will cover areas between Houston and Baton Rouge, with damaging winds as the primary threat. Downed trees and powerlines often pose the greatest hazard with strong, straight-line winds. <img src="https://media.weathernationtv.com/app/uploads/2025/08/Screenshot 2025-08-29 061347-1756469672728.png">Storms will continue to track toward the Gulf Coast along the first front, bringing heavy rain to areas from Mobile back to central Texas. As the next, slowly moving, low pressure drops south, it will continue to generate heavy rounds of rain from west to east into the weekend.<video src="https://media.weathernationtv.com/app/uploads/2025/08/2025-08-29 06-15-49-1756469781423.mp4" controls="true" width="100%"></video>Rainfall totals of 2-7 inches may lead to flash flooding for some areas. Excessive rainfall outlooks have been issued for the next three days.<video src="https://media.weathernationtv.com/app/uploads/2025/08/2025-08-29 06-14-48-1756469774449.mp4" controls="true" width="100%"></video>For more details, be sure to join us on WeatherNation!

Plains & Gulf Coast Face Flood Threat

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As we near the peak of the 2025 Atlantic hurricane season, one question on many minds is why it has been so quiet? About two-thirds of all Atlantic hurricane activity typically occurs between August 20th and October 10th. With only a handful of named storms and only one major hurricane through late August, the sluggish pace stands in stark contrast to what many seasonal forecasts had warned would be an active year. So, what's causing the delay?<img src="https://media.weathernationtv.com/app/uploads/2025/08/Screenshot 2025-08-29 054005-1756467616664.png">Several key factors are at play in this unusually slow start. First, the Main Development Region (MDR) of the tropical Atlantic, where most storms form during peak season, has been cooler than expected. While still slightly above average, it falls short of the record-breaking warmth seen in 2024. Meanwhile, waters in the subtropical Atlantic are significantly warmer, disrupting the usual energy gradient that helps fuel storm formation.Atmospheric conditions have also been unusually hostile to storms. Persistent wind shear across the Gulf and Caribbean has torn apart developing systems before they can organize. On top of that, the upper atmosphere has remained unusually warm and stable, effectively placing a lid on the kind of deep convection hurricanes need to grow. Add in frequent plumes of dry, dusty air from the Sahara, and the result is a storm-suppressing cocktail that’s kept the basin eerily calm.<img src="https://media.weathernationtv.com/app/uploads/2025/08/Screenshot 2025-08-29 055625-1756468592102.png"><h1>Next Few Weeks</h1>However, do not let your guard down. The National Hurricane Center has issued an outlook for a wave off the coast of Africa. The area of disorganized showers and thunderstorms is supposed to emerge off the coast of Africa this weekend, and the NHC is giving it 20 percent chance of development in the next 7days.<img src="https://media.weathernationtv.com/app/uploads/2025/08/Screenshot 2025-08-29 054120-1756467690916.png">All it takes is one hurricane to make it a memorable season. The tropics in the Atlantic have a chance to stay active through the first week of September headed into the second week. While a large-scale Kelvin Wave is not likely to spur activity like it has over the last two weeks, additional tropical waves could develop in the Atlantic and the Gulf/Western Caribbean. During this time of year, any development will need to be monitored closely.<img src="https://media.weathernationtv.com/app/uploads/2025/08/Screenshot 2025-08-27 121008-1756318217179.png"><h1>Eastern Pacific</h1>Juliette has dissipated but it's moisture is still being pulled into the SW U.S., increasing flood chances for some areas in the four corners. The infrared from Thursday (below) shows the moisture being advected north into California and Arizona.<img src="https://media.weathernationtv.com/app/uploads/2025/08/Screenshot 2025-08-28 050627-1756379191961.jpg">The Eastern Pacific has been pretty active again with two areas of interest with medium and high chances for development. While the western wave looks to head west, it is likely to dissipate before reaching Hawaii. The wave behind it may need to be monitored more closely, as some forecast models bring it's remnant moisture back into the SW U.S. in the long range (10-14 days).<img src="https://media.weathernationtv.com/app/uploads/2025/08/Screenshot 2025-08-29 060820-1756469324402.png">Stay with WeatherNation for the latest.

A New Area to Watch in the Atlantic

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WeatherNation Meteorologists

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A surge of monsoon moisture continues to move across the West, including CA, NV, and the Four Corners. This will keep the pattern active across the four corners throughout the end of the workweek.<img src="https://media.weathernationtv.com/app/uploads/2025/08/Screenshot 2025-08-29 112355-1756488266306.png">During July and August, we watch for surges of Monsoon moisture. During those months, steering winds turn southerly and bring in new moisture from the Gulf and Pacific.Friday, severe storms are possible for areas of the Front Range. This includes cities like Cheyenne and Denver. All modes of severe weather will be possible, including a threat of seeing one or two tornadoes. Large hail and damaging winds will also be possible.<h1><img src="https://media.weathernationtv.com/app/uploads/2025/08/Screenshot 2025-08-29 112403-1756488278825.png">Timing</h1>Daily rounds of t-storms with flash flood potential are likely through Saturday. The consistent storms will also bring a risk for flash flooding.<video src="https://media.weathernationtv.com/app/uploads/2025/08/FORECAST-1756420941488.mp4" controls="true" width="100%"></video><img src="https://media.weathernationtv.com/app/uploads/2025/08/Screenshot 2025-08-29 112629-1756488401001.png">The best time for storms will be with diurnal heating during our afternoons, but because so much moisture is in place, some morning and overnight storms will be possible. The Weather Prediction Center (WPC) has multiple days of Excessive Rainfall Outlooks in place for the threat of flooding.

Severe Risk for the Front Range and the Plains To End The Work Week

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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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Conditions in the Northwest have been hot and dry. The Flat Fire began on August 21st near Sisters, OR, and has grown to over 23,000 acres (above).There is a risk for isolated dry thunderstorms (with lightning and wind but very little rainfall) through tonight across the Northwest. In other words, conditions are still dry at the surface, and with thunderstorms that form, the lightning can spark another fire.<img src="https://media.weathernationtv.com/app/uploads/2025/08/PIC 1-1756427699221.jpg">Monsoonal moisture will be moving into the region, bringing some areas of relief, but also bringing flooding threats.An inch or two of additional rainfall is possible here through the overnight hours.<img src="https://media.weathernationtv.com/app/uploads/2025/08/PIC 1-1756427666701.jpg">The bulk of the rain will slow overnight, although some of it will continue the next couple of days into the interior.<video src="https://media.weathernationtv.com/app/uploads/2025/08/FORECAST-1756427594796.mp4" controls="true" width="100%"></video>More details can be found during your Western Regional Forecast :50 past the hour on WeatherNation.

Northwest: Fire Danger and Flooding

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Residual moisture from Tropical Storm Juliette will move into the desert southwest. Southern California can run into some trouble with flooding concens on Thursday. However, there is no excessive rainfall outlook from the weather prediction center as of now. Parts of Arizona, Nevada, Utah, and Colorado between Thursday and Friday will also receive some of this remnant moisture. The moisture will extend upward over an upper-level high and push into the southern plains as well. This moisture will mix into existing Monsoon moisture across the region.<h1><img src="https://media.weathernationtv.com/app/uploads/2025/08/Screenshot 2025-08-28 072805-1756387704794.png">Rainfall</h1>Up to 1 inch of rainfall is possible with Juliette's remnant moisture. Cities like San Diego, Las Vegas, St. George, Salt Lake City, and Grand Junction can expect some rain. Areas over burn scars are particularly concerning due to the fact that it does not take that much rainfall to cause mudslides and debris flows.<h1><img src="https://media.weathernationtv.com/app/uploads/2025/08/Screenshot 2025-08-28 072841-1756387735526.png">Timing</h1>Most of the moisture streams across the Southwest Region between Thursday and Friday.<video src="https://media.weathernationtv.com/app/uploads/2025/08/2025-08-28 07-26-17-1756387617627.mp4" controls="true" width="100%"></video><h1>Drought</h1>The moisture will help many drought-stricken locations.<img src="https://media.weathernationtv.com/app/uploads/2025/08/TOMER SW DROUGHT UPDATE-1756341786689.jpg">Tune into the Western Regional forecast :50 past the hour for more details.

Moisture From Juliette Arrives Thursday-Friday

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A strong Summer cold front knifed its way through the Northern Tier and Plains. Overnight lows dropped to record levels once again on Wednesday. More record low temperatures are possible through Thursday. Some of these potential records stretch all the way to the Gulf Coast.<img src="https://media.weathernationtv.com/app/uploads/2025/08/Screenshot 2025-08-27 121253-1756318398379.png">Across the North Central U.S., temperatures on Thursday morning will mainly be in the 50s.<img src="https://media.weathernationtv.com/app/uploads/2025/08/Screenshot 2025-08-27 121334-1756318421539.png">Across the Northeastern U.S., temperatures will mostly be in the low 50s.<img src="https://media.weathernationtv.com/app/uploads/2025/08/Screenshot 2025-08-27 121358-1756318445910.png">Another front drops out of Canada later this week. That will keep those temperatures from even THINKING about getting hot.<img src="https://media.weathernationtv.com/app/uploads/2025/08/Screenshot 2025-08-26 163533-1756247737898.png">The Climate Prediction Center (CPC) has a higher confidence in forecasting below average temperatures for the first week of September.<img src="https://media.weathernationtv.com/app/uploads/2025/08/Screenshot 2025-08-27 121426-1756318473083.png">Download the WeatherNation TV app today.

Jackie Brown

More Records Fall Behind Impressive Front

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Another intense night of severe storms ripped through portions of the Upper-Midwest from Thursday night into Friday morning. Multiple bowing segments congealed into a large complex/squall line, which produced wind damage for over 300 miles across the states of Montana, North Dakota, and Minnesota. Thousands of households lost power while several structures have reported damage. Will this be classified as a derecho? According to NWS Grand Forks, Thursday's night storm was not classified as a derecho. Listen why.<video src="https://media.weathernationtv.com/app/uploads/2025/08/SOT_TRT.34_(audio fixed)EXPLAINING WHY THE STORMS DIDN'T MEET DERECHO CRITERIA_MS_E080825_1-1754708943137.mp4" controls="true" width="100%"></video> Again, NWS Grand Forks believes the factors of not enough higher end wind gusts, the duration of the wind event, and the coverage area was enough not to deem this event as a derecho. However, we can still learn more on what is a derecho! A big severe strength wind storm to say the least, but the Storm Prediction Center has a full definition including multiple criteria that have to be met.<img src="https://media.weathernationtv.com/app/uploads/2025/08/Screenshot 2025-08-08 061237-1754655858161.png">It certainly appears this system will meet the spatial requirements for a derecho as damaging wind reports (58+ mph) stretch for over 300 miles.<img src="https://media.weathernationtv.com/app/uploads/2025/08/Screenshot 2025-08-08 061159-1754655182565.png">Peak gusts were well over 75 mph, with a gust at Gran Forks Air Force Base measured at 91 mph!<img src="https://media.weathernationtv.com/app/uploads/2025/08/Screenshot 2025-08-08 061206-1754655189603.png">This squall line produced several 75+ mph gusts, which appear to be well separated as well. This also appears to meet the requirement for a derecho.<img src="https://media.weathernationtv.com/app/uploads/2025/08/Screenshot 2025-08-08 061215-1754655197446.png">While it appears this system has met the basic 3 requirements for a derecho, other criteria (top of the page) have to be met as well. In addition, wind reports and reports of damage will have to be verified as accurate.<img src="https://media.weathernationtv.com/app/uploads/2025/08/Screenshot 2025-08-08 061231-1754655205131.png">Derechos most often occur from the late spring through the summer, with a typical drop off in August.<img src="https://media.weathernationtv.com/app/uploads/2025/08/Screenshot 2025-08-08 061246-1754655219174.png">

Possible Derecho Hit the Upper-Midwest Friday Morning

Hurricane Katrina: Remembering the Devastation, 20 Years Later

Friday marks the anniversary of Hurricane Kat

Plains & Gulf Coast Face Flood Threat

Back-to-back storm systems are tracking from

A New Area to Watch in the Atlantic

As we near the peak of the 2025 Atlantic hurr

Severe Risk for the Front Range and the Plains To End The Work Week

A surge of monsoon moisture continues to move

Northwest: Fire Danger and Flooding

Conditions in the Northwest have been hot and

Moisture From Juliette Arrives Thursday-Friday

Residual moisture from Tropical Storm Juliett

More Records Fall Behind Impressive Front

A strong Summer cold front knifed its way thr