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Yahoo
9 hours ago
- Climate
- Yahoo
Heat dome continues to raise temps across South and Midwest, will begin to move into Northeast
'Corn sweat' has increased temperatures throughout the Plains and Midwest this week. 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. 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 affected 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 affecting 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 affected 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. Adding electrolytes to your drinking water can further protect you 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. Solve the daily Crossword
Yahoo
4 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.
Yahoo
21-07-2025
- Climate
- Yahoo
Advisory in effect as a heat dome is expected to raise temps to triple digits across South, Midwest
By midweek, temperatures are expected to hit or exceed 100 degrees in most of the South, the Midwest and around the Great Lakes. A 'heat dome' is expected to increase temperatures and humidity levels throughout the South and parts of the Midwest this week and will eventually move over the Northeast by the weekend. 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. The National Weather Service (NWS) issued heat warnings and advisories for millions of residents throughout the South and Midwest early Monday morning. An 'Extreme Heat Watch' advisory alert, which warns 'dangerous heat is possible,' was issued for Illinois, Missouri and Iowa. An 'Extreme Heat Warning' alert, which warns 'dangerous heat is happening or about to happen,' was sent to Oklahoma, Tennessee, Mississippi and Kansas residents. Heat advisories were also issued for the entire state of Florida, as the state's heat index is expected to hit 110 to 115 degrees under the heat dome. (The NWS 'heat index' is a calculator that estimates what outdoor temperatures feel like to the human body.) The weather service's Heat Risk map shows that most of the state faces a major heat risk, with extreme conditions throughout the southwestern coast. Hotter and more humid temperatures are expected to spread across the Midwest starting on Tuesday, according to AccuWeather. By midweek, temperatures will hit or exceed 100 degrees in most of the South, Midwest and Great Lakes region. The high temperatures will be paired with 'oppressively muggy air,' AccuWeather reported, especially in the Mississippi and Ohio Valleys. Areas throughout Texas, Arkansas and Louisiana will experience peak temperatures either close to 100 degrees or above, Jonathan Erdman, the senior meteorologist at predicts, potentially bringing triple-digit temperatures to Dallas for the first time in 2025. Several of the cities that will be affected by the heat dome, such as Kansas City, Mo., have not hit triple-digit temperatures in two years, AccuWeather senior meteorologist Chad Merrill reported, and may experience record-high temperatures. Merrill also expects that many residents of these cities 'won't get relief' from nighttime temperatures, which are expected to 'range from the mid-70s to the low 80s.' The heat and humidity will move into the Northeast by Friday, the Weather Channel reported, noting that temperatures will likely become cooler than normal before rising under the heat dome. Temperatures in Washington, D.C., and Philadelphia could reach almost 100 degrees later this week, the Weather Channel said. Northeast, Midwest also warned about severe thunderstorms The Weather Prediction Center (WPC) at the National Oceanic and Atmospheric Administration (NOAA) issued a warning over the weekend for excessive rainfall in areas across the Ohio Valley on Monday. 'Flash flooding is anticipated tonight over Northeast MO and Central IL as storms containing 3-4'/hour rainfall rates develop this evening,' the WPC warned on social media on Sunday, issuing a 'Moderate Risk' warning. The Moderate Risk level means numerous flash floods are likely to occur. The NWS forecast discussion from Monday morning warned that upcoming thunderstorms posed flash flood threats in the Southwest, Northwest, Midwest, Mid-South and Southeast. 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. Solve the daily Crossword
Yahoo
07-06-2025
- Health
- Yahoo
Writer shares troubling story about invisible threat impacting neighborhood where she grew up: 'We lived in the shadow'
Growing up, writer Reniqua Allen-Lamphere worried about gun violence. But as an adult, she's realized that the biggest danger to her childhood was invisible — but no less dangerous. Allen-Lamphere shared her story in The Guardian. Growing up in a peaceful community in Englewood, New Jersey, she spent most afternoons playing in a local park, where she would splash in the brook and enjoy the sunshine. But just beyond, the threat lurked. "We lived in the shadow of factories bordering our beloved park," she explained. "Companies such as the LeDoux Corporation, a chemical testing company that had worked on everything from the Manhattan Project to the moon landing, were just steps from the swings." And as more people began to suffer from seemingly unrelated, mysterious health issues — from endometriosis to diabetes — people began to wonder if those factories had something to do with them. One family friend of Allen-Lamphere's shared: "As kids, we always played in the brook and thought it was fun when the water changed colors and stained our hands. … Our neighborhood smelled like rotten eggs every day when we came home from school, which I now know was the smell of sulfur. I can only imagine the toxins we were exposed to." Nowadays, scientists have a better idea of the links between environmental pollution and health. Air pollution is now known to be linked with a plethora of issues, from respiratory illness to dementia, certain cancers, and cardiovascular issues, per the National Institute of Environmental Health. But Allen-Lamphere had personally suffered from severe menstrual pain and endometriosis, and a recent study from Human Rights Watch found that this, too, may have been exacerbated by the pollution. Researchers found links between air pollution and gestational diabetes, pre-eclampsia, and fibroids. And other common toxins and contaminants, including heavy metals and industrial chemicals, have been linked with infertility and endocrine disruption, leading to pregnancy complications. And unfortunately, people of color are disproportionately affected by this. Black people are 75% more likely to live within close range of industrial facilities, meaning that the air they breathe is, on average, 38% more polluted than the air in majority-white communities, per the Climate Reality Project. Researchers are looking into ways to reduce air pollution while simultaneously contributing to a greener future. From a team looking to convert methane into airplane fuel to another team reverse-engineering real dairy butter out of air-based carbon molecules, the potential solutions are vast and varied. But at its root, reducing air pollution means reducing it at the source and decreasing the amount of toxins and emissions generated in the first place. Both governmental regulations — such as the EPA's recent closing of loopholes on highly polluting steel plants — and initiatives by corporations, like transitioning shipping fleets to clean fuels, will be necessary for this. And as a citizen and a consumer, you can use your voting power and your money to contribute your own power to this effort. Do you worry about air pollution in and around your home? Yes — always Yes — often Yes — sometimes No — never Click your choice to see results and speak your mind. Join our free newsletter for weekly updates on the latest innovations improving our lives and shaping our future, and don't miss this cool list of easy ways to help yourself while helping the planet.
