
America's Flood Mitigation Math Problem
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On today's Big Take podcast, we examine what the disaster in Kerr County, Texas reveals about the growing risk of flooding across the country as the climate changes — and the difficult economic choices facing communities grappling with these new risks.
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CBS News
22 minutes ago
- CBS News
Corn sweat from crops exacerbates humidity during Illinois heat waves
Extreme heat is descending on Chicago again this week, and an agricultural phenomenon called corn sweat is making the heat wave this summer even worse. The U.S. leads the world in corn production, and Illinois grows more corn than any other state besides Iowa. At this time of year, the corn is high, lending its name to the phenomenon of corn sweat. "But really, all plants do that," said agriculture teacher Joshua Berg. "So, you know, you could just as much say 'soybean sweat.' I guess they haven't got on that marketing yet. The scientific term for the phenomenon is transpiration. Berg, who holds a master's degree in agricultural education, said transpiration is not like humans' sweat for cooling — it is a vital part of getting water to the plant. "Transpiration is a process where water is released from the plant's leaves, and that actually helps the plants move water," said Berg. CBS News Chicago Meteorologist Kylee Miller explained the effects of transpiration are showing up in this week's forecasts. "Dew points could be about 5 to 10 degrees actually higher, adding with that corn sweat, compared to what Mother Nature is giving us," Miller said. Other crops, like alfalfa and sugarcane, have higher evapotranspiration averages than corn. The evapotranspiration average for alfalfa is 6 to 8 mm/day for alfalfa and 5 to 7 mm/day for sugarcane, compared with 3.5 to 5mm/day for corn. Soybeans are in a range comparable to corn, at 4 to 6 mm/day But it is, in fact, corn's prevalence and growing season that are affecting the humidity now. "So during the growing season, one acre of corn can release 3,000 to 4,000 gallons of water a day," said Miller. "Here in Illinois, we have about 11 million acres [of corn]." Those numbers are driving up the forecasts for our summer's second heat wave this week. The effects of this corn sweat could continue into the weekend. It can result in more rainfall with higher humidity.
Yahoo
3 hours ago
- Yahoo
When will it cool down in Louisiana? Fall 2025 weather forecast by Old Farmer's Almanac
This year, fall will officially begin on Monday, Sept. 22, which marks the arrival of the vernal equinox. As for fall weather, The Old Farmer's Almanac is predicting a warmer-than-normal autumn this year for many regions of the U.S. This autumn is expected to be a season of contrasts, with early chills in the North to warmth hanging around in the South and stormy conditions to tranquil skies. Fall 2025 weather predictions for Louisiana by The Old Farmer's Almanac For the deep South, which includes Louisiana, September and October are predicted to be warmer than normal, with below-normal rainfall in the north and near-normal amounts in the South, says The Old Farmer's Almanac. During September in the deep South, the average temperature is expected to be around 79 degrees Fahrenheit, which is two degrees above normal, with about 3.5 inches of rain, which is one inch below normal, says The Olds Farmer's Almanac. The early portion of September is forecasted to be hot and sunny, followed by scattered thunderstorms during the middle of the month, with the month ending in cooler temperatures and sunshine. The early and late portions of October are predicted to be warm and sunny, with the middle of the month seeing some storms and showers. During October, the average temperature is expected to be around 65 degrees Fahrenheit, which is one degree below normal, and rainfall amounts will be about 2.5 inches, with conditions drier north and wetter south, according to The Old Farmer's Almanac. Presley Bo Tyler is a reporter for the Louisiana Deep South Connect Team for Gannett/USA Today. Find her on X @PresleyTyler02 and email at PTyler@ This article originally appeared on Shreveport Times: When will the weather cool down in Louisiana? Fall weather outlook Solve the daily Crossword
Yahoo
3 hours ago
- Yahoo
Hundreds were reported missing after deadly Texas floods. Most of them were found safe
Texas Floods Extreme Weather DALLAS (AP) — Texas officials labored to account for more than 160 people originally reported missing along the Guadalupe River after the deadly July Fourth floods before ultimately concluding that most were safe and only three individuals still haven't been found, the top executive in the hardest-hit county said Monday. 'Most of them were tourists that came into town and left and went back home and didn't report that they were there,' Kerr County Judge Rob Kelly said at a special meeting of the county commissioner court. He called the process a 'Herculean effort." The flash floods killed at least 135 people in Texas, and most of the deaths were in Kerr County, where destructive, fast-moving water rose 26 feet (8 meters) on the Guadalupe River, washing away buildings and vehicles in the area about 60 miles (100 kilometers) northwest of San Antonio. The sharp revision in the number of missing by Kerr County officials on Saturday followed a familiar pattern in the often chaotic aftermath of large-scale disasters. Hundreds of people were reported missing in the initial days after the floods through a phone hotline and email address, which launched investigators on an 'exhaustive effort' to verify the status of each of those individuals, Kerrville police spokesperson Jonathan Lamb said. 'We understand how critical it is to report this information accurately — not only for the families affected but for the integrity of our emergency response as a whole,' Lamb said. Sharp swings follow disasters Drastic changes in the missing count after a disaster aren't unusual. For instance, the death count from the 2023 Maui fire was eventually found to be just over 100 — far below the 1,100 initially feared missing. In 2017, a wildfire in Northern California's wine country killed more than 20 people, but most of the 100 people initially reported missing were located safe. The 2018 wildfire that largely destroyed the California town of Paradise ended up killing nearly 100 people, though Butte County investigators at one point had the names of more than 3,000 people who were not accounted for in the early days of the disaster. The names were whittled down when the list was published in the local paper, and many people realized for the first time that officials were looking for them. Tourists and campers reported missing Texas' Hill Country is a popular tourist destination, where campers seek out spots along the Guadalupe River amid the rolling landscapes. Vacation cabins, RV parks and youth campgrounds fill the riverbanks and hills of Kerr County, including Camp Mystic, a century-old Christian summer camp for girls where at least 27 campers and counselors died in the floods. The flooding was far more severe than the 100-year event envisioned by the Federal Emergency Management Agency, experts said, and it moved so quickly in the middle of the night that it caught many off guard in Kerr County, which lacked a warning system. Tracking down the missing At a July 14 news conference, Texas Gov. Greg Abbott had lowered the number of still-missing in the state to about 100 and suggested that pinning down that number was difficult. In the days after the floods, officials had put the number of missing at about 170 statewide with all but about 10 coming from Kerr County alone. Campers, residents or people who registered at RV parks or hotels are easier to account for, Abbott said. Others may have been reported missing by a friend, family member or coworker. In Travis County, which includes Austin, the floods killed at least 10 people. The sheriff's office has said one person remains on their missing list but may be removed if they can verify sightings of the person. Kristen Dark, a spokesperson for the sheriff's office, said investigators work the missing person and decedent list 'just like we would work any other cases.' For instance, if someone reports that they haven't seen their neighbor, deputies might begin by reaching out to the neighbor's employer and family. 'They use all kinds of different avenues to see if they can find out either that the person hasn't been seen or that the person is alive and here's where they are,' she said. ____ Associated Press writer Nadia Lathan in Austin contributed to this report.