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Yahoo
6 days ago
- Climate
- Yahoo
Heat dome continues to raise temps across South and Midwest, will begin to move into Northeast
The 'heat dome' that has hovered over tens of millions of people in the South and Midwest this week is now spreading into parts of the Northeast on Thursday, according to the Weather Channel. A heat dome is a high-pressure bubble in the upper levels of the atmosphere that traps hot air and sun radiation underneath it. The Climate Reality Project, a nonprofit focused on climate change advocacy and education, compares heat domes to putting a lid on a hot pot; the lid keeps the hot air from leaving the pot and keeps the contents of the pot hot for a longer time. While late July usually is the hottest time of the year for most of the U.S., AccuWeather reports these temperatures will be 5 to 15 degrees Fahrenheit higher than the historical average. An 'Extreme Heat Watch' advisory alert, which warns 'dangerous heat is possible,' was issued for West Virginia on Thursday. An 'Extreme Heat Warning' alert, which warns 'dangerous heat is happening or about to happen,' was sent to areas in Illinois, Missouri, Mississippi, Arkansas, Louisiana, Kentucky, Tennessee, New Jersey, Delaware, Pennsylvania and New York on Wednesday. Some of these extreme heat warnings were sent to major cities like Boston, Detroit, New York City and Washington, D.C., where temperatures will reach the mid-90s by Friday, the Weather Channel reported. However, temperatures in these areas are expected to drop over the weekend. Parts of the Midwest and the South will still be in temperatures near or above 100 degrees through the rest of the weekend, and potentially into the middle of next week. Florida, which has been experiencing hot and muggy conditions across the state all week, will continue to experience high temperatures in the upper 80s to lower 90s on Thursday and Friday, according to Florida Disaster, a division of the state's Department of Emergency Management. The state's heat index values will be particularly high on the western side of the Florida Panhandle, compared to the rest of the state. (The National Weather Service (NWS) 'heat index' is a calculator that estimates what outdoor temperatures feel like to the human body.) Experts cannot determine exactly when the heat dome will end. Heat domes take a long time to break down, Bryan Jackson, a meteorologist at the NWS's Weather Prediction Center, told Scientific American, so the extreme heat is expected to last through the rest of the week for some areas. 'Corn sweat' drives up humidity in the Midwest As heat index values in the Midwest peaked this week because of the heat dome, high humidity levels have contributed to 'corn sweat' in these areas. Corn sweat is a colloquial nickname for evapotranspiration, which is when plants, like corn stalks, release water vapor into the air and essentially turn it into additional humidity that can drive up humidity levels and heat index numbers in the area, according to the Weather Channel. Today's weather term is "corn sweat".Yes, it's a real thing, and it's likely to become more noticeable into next you know that 1 acre of corn gives off about 3,000-4,000 gallons of water each day?Here's a little more about the transpiration process. — NWS Sioux Falls (@NWSSiouxFalls) July 20, 2023 This mostly affects people in the Midwest, with residents in Missouri, Indiana, Iowa, Illinois and Kentucky experiencing heat index numbers in triple-digits because of the corn sweat, the Washington Post reported. The corn sweat has also impacted these areas' dew points, which correlate to how much moisture is in the air, NWS explains. The higher the dew point, the more muggy and wet the air will feel. A dew point minimum of 75 equates to an extreme humidity level and feels 'oppressive, like a tropical rainforest,' according to the Washington Post. In areas affected by the corn sweat, such as southern Missouri, the dew point is at 88. Northeast, Midwest also warned about severe thunderstorms AccuWeather meteorologists alerted on Wednesday that severe thunderstorms are expected to move across the Midwest before hitting the Northeast in the next few days. These storms carry the potential for high winds and hail, according to AccuWeather meteorologists. The worst of the storms are expected to hit throughout Thursday afternoon and evening, mostly impacting cities like Chicago, Detroit, Oklahoma City and Kansas City, before shifting into the Northeast on Friday. While it's rare to see precipitation happen within a heat dome, severe thunderstorms are likely to form around its edges, often called the 'ring of fire.' "In the world of meteorology, the ring of fire deals with thunderstorms along the northern edges of strong upper-levels high,' AccuWeather meteorologist Bernie Rayno said. 'Oftentimes, this setup produces severe thunderstorms along the northern edges of the heat.' How to stay safe in extreme heat Extreme heat is the deadliest type of weather in the U.S., even more so than tornadoes, flooding or hurricanes, according to research by the NWS. Prolonged extreme heat, as is expected in the heat dome this week, is especially dangerous for people who do not have access to air-conditioning or who spend a lot of time outdoors. If you live in a place that will be impacted by the heat dome, here's what to do to help protect yourself: Stay indoors and cool for as long as you can. Here is a list of public places you can go to for free air conditioning. Stay hydrated. It's helpful to add electrolytes to your water to further protect yourself from dehydration. If you need to go outside, protect your skin by wearing sunscreen with an SPF of 30 or higher, sun-protective clothing and UV-blocking sunglasses. Understand and look out for symptoms of heat-related illness. These include heavy sweating, fatigue, dizziness, muscle cramps, nausea and headaches. If you are experiencing these symptoms, move to a cool area to rest and hydrate.
Time of India
6 days ago
- Climate
- Time of India
Extreme heat warning in 11 US states and record-high temperatures could be broken. Is yours on the list?
Tens of millions of people will swelter under a lingering heat dome swirling over the eastern half of the US in the coming week, meteorologists warn. The National Weather Service (NWS) said more than 35 million people are at a major or extreme risk of heat effects. Current forecasts show the number doubling on July 24 as hot weather shifts eastward. By July 25, it will reach nearly 90 million, with advisories or warnings covering most of the eastern half of the country. 'Even though it's midsummer, this is pretty notable,' says Bryan Jackson, a meteorologist at the NWS Weather Prediction Center in College Park, Md. Extreme heat warning in US Extreme heat warnings and heat advisories have affected US from the Upper Midwest to the South for several days in a row this week. The pattern is expected to continue for the rest of the month, with several states expecting record heat as dangerously high temperatures persist across the nation, reports NewsWeek. ALSO READ: Netflix's 'Building the Band' official winning group's name revealed. You won't believe the prize they received The Central US from Wisconsin to Louisiana was under a heat advisory on Wednesday. In some areas, temperatures and humidity levels were severe enough to prompt extreme heat warnings. Heat advisories also stretched into the Northeast. Live Events The persistent heat, although uncomfortable and even life-threatening at times, does not look as though it will break many high-temperature records in the Mississippi Valley, where most of the heat is, AccuWeather Meteorologist Alex DaSilva told Newsweek. "A lot of records in the Mississippi Valley where most of the heat is located are really high, and to get to those records would take a lot," he said. ALSO READ: Was Elon Musk right? Trump caught in Jeffrey Epstein files' lie involving Pam Bondi 11 US states warned of extreme heat However, record-high minimum temperatures could be broken across 11 states. "Record high [minimums] are when your low temperature at night is at a record high," DaSilva told Newsweek. "A lot more of those are going to be broken here over the next couple of days." Through Thursday, there's potential for 11 states to break record-high minimum temperatures: Michigan, Wisconsin, Illinois, Indiana, Missouri, Kentucky, Tennessee, Arkansas, Mississippi, Louisiana and possibly Alabama, DaSilva said. At night, temperatures across these regions will remain in the upper 70s or lower 80s. When combined with the humidity, it's going to be "really nasty," DaSilva told NewsWeek. During the day, the heat index — or what the temperature actually feels like — could soar to between 110 and 115 degrees from St. Louis, Missouri, down to Central Louisiana. Nighttime heat can be especially hazardous, as many cooling options like pools, cooling centers, movie theaters, and restaurants are often closed during those hours. ALSO READ: $1,390 Stimulus check in 2025: Do Americans need to pay tax on the amount and who needs to apply? "For people who don't have AC or people more vulnerable to heat, this can cause issues," DaSilva said. AccuWeather Meteorologist Alex DaSilva told Newsweek: "Toward the weekend, everything shifts east, so it kind of expands. Places in the Northeast will join the party on Friday and into the weekend. Today and tomorrow most of heat will be confined Mississippi Valley. On Friday, the heat gets into the Northeast, as well places even into New England and the Carolina coast can break those record high mins." National Weather Service (NWS) in a post on Facebook: "It's the height of summer, so it being hot in the southern U.S. is no surprise. BUT, when triple digits during the day barely drop to 80 overnight, it becomes extremely dangerous. Extreme and record heat is likely throughout the South through next week with extreme impacts possible for those without adequate cooling or hydration." The NWS has issued several messages warning people that the heat could persist through the end of July. People across the states impacted by the heat are encouraged to monitor local weather guidance, stay hydrated and stay out of the sun as the heat persists.
Bloomberg
14-07-2025
- Climate
- Bloomberg
Texas and New York Face Renewed Flood Threat With Downpours on the Way
Central Texas is facing the threat of more flooding as persistent storms bring heavy rain to the area, while a separate system will unleash downpours on New York City and throughout the Mid-Atlantic. Monday has begun with one round of rain in Central Texas, which will likely be followed by another later tonight, said Bryan Jackson, a forecaster with the US Weather Prediction Center. On Sunday, recovery efforts in the region were paused as the flood risk rose more than a week after devastating deluges killed at least 130 people and left dozens missing.
Axios
03-07-2025
- Climate
- Axios
What to expect for July 4 weather: Storms and heat
Your July 4 fireworks and barbecues may be indoors this year — depending on the weather. Why it matters: Scorching hot temperatures and widespread thunderstorms may disrupt your festivities or cause travel delays for the record-number of people hitting the road this holiday weekend. Here's on the menu for July 4 weather. What to expect for July 4th weather Zoom out: Much of the United States will see clear skies for fireworks. But it might be hot. Like, really hot. Parts of the Upper Plains will see temperatures surge 10 to 20 degrees above average on Thursday and Friday, according to NOAA's weather outlook for the weekend. A cold front will push that hot air to the Great Lakes and Appalachians over the weekend. Parts of Minnesota are under a heat advisory, with the heat index near 100 degrees. The Southeast will also see higher temperatures, according to NOAA, and triple digit temperatures are expected in parts of Texas. What they're saying: Bryan Jackson, a meteorologist at the NWS Weather Prediction Center, told Axios that those in Wisconsin, Minnesota and the upper Midwest should stay weather aware due to the heat. The other side: The Western U.S. will face below average temperatures caused by breezes off the Pacific Ocean, according to NOAA. "It's still 104 in Phoenix, but that's below normal," Jackson said. Areas of the Northeast — including Philadelphia, Boston and New York City — as well as North Dakota are under threat from storms to end the week, too. But "sunny, summer conditions" and "pretty great weather" are on tap for the Northeast this weekend, Jackson said. Travel delays for July 4 are possible Context: AAA projects 72.2 million Americans will travel domestically for the July 4 holiday period (defined as June 28 through July 6). TSA expects over 18.5 million travelers to be screened from July 1 to July 7. "This year, we're seeing strong demand for road trips, flights, and cruises, especially with the holiday falling on a Friday," Debbie Haas, vice president of AAA Travel, said in a statement. "This is allowing travelers to extend their getaways and make lasting memories with loved ones." Yes, but: Rain could cause travel delays. Sections of the Southwestern U.S. — Texas, New Mexico and Arizona — will face downpours Thursday and Friday, according to NOAA's weather outlook. A frontal system could develop into a tropical storm off the coast of Florida, according to NOAA's National Hurricane Center. Flashback: Showers and thunderstorms boomed in Florida, Baltimore and Washington, D.C., earlier this week. Congress was even worried about travel headaches ahead of the vote on President Trump's "big, beautiful bill." Thunderstorms caused ground stops in New York City, and Washington, D.C., on Tuesday. July 4 fire warnings What to know: Parts of Oregon, Idaho, Nevada and Utah are facing red flag warnings, according to the National Weather Service's weather outlook.
Newsweek
02-07-2025
- Climate
- Newsweek
Heavy Rain Expected to Flood Two States After Wildfires
Based on facts, either observed and verified firsthand by the reporter, or reported and verified from knowledgeable sources. Newsweek AI is in beta. Translations may contain inaccuracies—please refer to the original content. Two states are at an increased risk of flash floods on Wednesday amid excessive rainfall, the National Weather Service (NWS) said in a Wednesday forecast. Burn scars in Southeastern Arizona and Southwestern New Mexico will prove especially vulnerable to flash foods, NWS Weather Prediction Center Meteorologist Bryan Jackson told Newsweek. Why It Matters Early July is the beginning of the U.S. Southwest's monsoon season, when the area typically sees heavy rainfall. However, the current weather system is anomalous, Jackson said, caused by a low over Southern California that's bringing moisture from the tropical Pacific into the region. "I don't think this is a classic monsoon, but it is that type of pattern and is the type of year for it to occur," Jackson said. A stock photo shows a burn scar. A stock photo shows a burn scar. Eric Mischke/Getty What to Know On Wednesday morning, the NWS posted an excessive rainfall outlook through Thursday on Facebook. In the forecast, much of Arizona, southwestern New Mexico and western Texas were at a slight risk for rainfall to exceed flash flood guidelines. "Heavy to excessive rainfall may bring flooding to parts of Arizona, New Mexico, Florida, North Carolina, and Virginia today," the NWS said in the forecast. "Recently burned areas will be particularly vulnerable to flash flooding." Several recent wildfires, including the Greer Fire in Arizona, the Trout Fire in New Mexico, and the Buck Fire in New Mexico, have made the land vulnerable to flash flooding. "When there's vegetation in place with all the root systems, it keeps the topsoil in place. When things are burned, you lose the vegetation that retains [the water]," Jackson told Newsweek. "If the fire burns hot enough, it can cause the soil characteristics to change, so water can be more repellent. It can run off more readily over fresh burned areas." Through Thursday, Jackson said Southeastern Arizona and Southwestern New Mexico are expecting between 1 and 2 inches of rain. However, if thunderstorms develop, locally higher rainfall amounts could occur. NWS offices across the region have issued flood watches, alerting residents of the flood risk in the area. What People Are Saying A flood watch issued by the NWS office in Tucson, Arizona: "The combination of deeper atmospheric moisture moving into Southeast Arizona from the south and an approaching weather system will result in widespread showers and thunderstorms. These storms will be capable of producing localized heavy rainfall in excess of an inch that can result in flash flooding of normally dry washes, roadway dips and other low-lying areas." A flood watch issued by the NWS office in Santa Teresa, New Mexico: "Deep moisture is in place, and the atmosphere is forecast to turn unstable by the late morning and early afternoon, leading to the development of thunderstorms that will be capable of producing brief heavy rainfall. This will lead to excessive runoff, especially on recent wildfire burn scars in Lincoln County." What Happens Next Rain is expected to continue through Thursday, but the forecast for the region is clear for Friday and Saturday, Jackson said.
