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The heat wave will continue to build through the weekend, especially in the Northeast, where cities are expected to remain in a heat wave … The heat wave is most intense along the US southern border from California to Florida, an area which has seen some of the worst outbreaks of COVID-19. Without extensive statistical and scientific analysis, meteorologists can’t say for sure that the heat is due to global warming, Rosencrans said. And for most of America it’ll stay on through the rest of the month and maybe longer, meteorologists say. A heat wave … Meteorologists Predict A ‘Potentially Historic Heat’ Wave Will Cook The Country This Month #weather. For the period 2004-2018, Indigenous communities had the highest rate of heat-related deaths and Black communities had the second-highest. Meanwhile, the extreme heat forces people unable to afford housing or air conditioning into cooling centers, where social distancing is difficult and they can be exposed to the virus.  The dramatic increase in nighttime temperatures in the US is particularly concerning, because cooler nighttime temperatures provide an important window of relief during heat waves. Widespread and prolonged extreme heat is baking the contiguous United States and meteorologists see no relief in sight, except for a brief time in a corner of the Pacific Northwest. Charleston, South Carolina, likely will feel 105 on Friday and then 108 on Saturday. When a high pressure system develops, the air converges, sinks and compresses as more air piles on top. Sorry, your blog cannot share posts by email. The widespread and intense heat wave will last for weeks, making the magnitude and duration of its heat impressive. Forecast of upper-level flow for Tuesday to Sunday, July 7-12, 2020 The end of this stretch of the heat wave will end when the disturbances knock down the upper air flow into a northwesterly flow. Houston should feel like 109 Friday through Sunday. Record-breaking heat waves are a classic signal of climate change, and the stagnant weather pattern intensifying the heat wave is also expected to increase with climate change. But this is what scientists expect more of with climate change, he and others said. Sitemap Masters said there’s “very toasty water pretty much everywhere,” except near Greenland. At a Glance. A June 2016 study found an increase in the intensity of heat domes over the entire Northern Hemisphere during the summer months from 1979 to 2010. The widespread and intense heat wave was due to a stagnant high pressure weather pattern, or heat dome, that has halted the west-to-east movement of weather and created a vast area of sweltering heat that is trapped under the high-pressure "dome." There were daily, monthly, and all-time records broken in California, Arizona, New Mexico, Texas, Wyoming, and Utah, as shown in the image below. This is a dangerous type of heat where people need to be careful about heatstroke, stay indoors and drink plenty of water, meteorologists said. First, they analysed the prolonged heat affecting the entire Siberian region from January to June.  In the US, humid heat extremes doubled in frequency from 1980-1999 to 2000-2019 in most regions.. Contact Us. The continued burning of fossil fuels and increasing greenhouse gas emissions means that heat records don't last long as warming continues. The heat is on. A woman wearing a face mask walks at Venice Beach during a heatwave amid the coronavirus pandemic, in Los Angeles, California, USA, 11 July 2020 Photograph: Étienne Laurent/EPA “We are the poster [child] of those inequities and the reason why we’re not able to control COVID.”. Updated: Jul 8 2020, 15:49 ET. July 6, 2020 at 1:58 PM EDT An enormous swath of heat is about to swallow much of the Lower 48, bringing a long stretch of temperatures in the 90s, above the century mark in … Parts of California and Arizona will reach record high temperatures upwards of 126º F this week, according to the National Weather Service. July 15, 2020. And it will likely feel even hotter in the South. “It’s very widespread and it’s going to be very long-lasting,” said Jeff Masters, founder of Weather Underground and now a meteorologist at Yale Climate Connections. The clearest signal of climate change is the increase in the frequency and intensity of extreme heat events. THE MAJORITY of the US should prepare to deal with extreme heat that lasts for the entire month of July and maybe longer, according to projections from experts. Not August. First Alert Weather Days Sunday and Monday. After a relatively cool July, which was around 0.8C colder than the long-term (1981-2010) average, the first signs of the heatwave were seen on the last day of the month. Next week is likely to be worse than this week. Global warming contributed to the record for hottest day of the year in at least 82 percent of the records for hottest day over the 1961-2010 period. Not October. The National Weather Service warned of excessive heat on Tuesday for 18 million people, but that’s nothing compared to what’s coming up. Going into July, 2020 was already the second hottest year on record. A heat wave forecast for the U.S. has scientists alarmed The coming heat is projected to affect huge stretches of the U.S., from eastern New Mexico and Colorado across the Central Plains … Next week, Wisconsin could be battling it out with the Southeast for the nation’s hottest feels-like temperature — which factors in humidity — with heat indices pushing past 100, Rosencrans said. The fingerprint of global warming has been firmly identified in the increasing intensity, duration and frequency of extreme heat events in the United States. On top of that, dry weather feeds the heat in a “vicious feedback cycle,” he said. On July 12, heat index ("feels like") numbers in Oklahoma and Louisiana. The piling up of dense, hot air can take the shape of a dome (shown to the right), leading to the description of some large, high-pressure weather systems as "heat domes". Updated 9:53 AM ET, Sun July 19, 2020 (CNN) Over a dozen cities in the central and eastern United States could break record high temperatures on Sunday, and a … Atmospheric blocking due to anomalous, persistent, meandering of the jet stream often causes weather extremes in the mid-latitudes.. The number of local record-breaking average monthly temperature extremes worldwide is now on average five times larger than expected in a climate with no long-term warming. A sprawling and stagnant heat dome caused extreme and record-breaking heat across much of the US in mid-July, with temperatures 5 to 20°F above average during what is typically the hottest time of year for many states. In Miami, which has experienced its hottest stretch on record, an unusually hot Atlantic Ocean is adding to the problem, not allowing it to cool below 80 at night, said Ryan Maue, a private meteorologist for BAM forecasts. , past six years globally were also the six hottest on record, PROFILE: Linking Climate Change to Catastrophic Weather Events, in Real Time, according to El Centro Mayor Efrain Silva. Next week, while close to two-thirds of the country will be warmer than normal, about 40 percent of the Lower 48 has a moderate risk of extreme and dangerous heat, said Climate Prediction Center meteorologist Matthew Rosencrans. Masters scrolled through the simulations. To do this, they looked at six-month average temperatures across an area covering most of Siberia (60-75N, 60-180E). But what does this mean? , Exposure to extreme heat is already a significant public health problem and the primary cause of weather-related mortality in the US. The impact of extreme heat on vulnerable populations compounds the dangers posed by the coronavirus pandemic. — NWS Phoenix (@NWSPhoenix) July 9, 2020 Early next week the heat dome will shift east and north. And the entire Lower 48 states and Alaska are likely to be warmer than normal for the last two weeks of July, traditionally the hottest time of year, according to the National Weather Service’s Climate Prediction Center. September 2020 U.S. climate outlook: late season heat wave across the West, with potential frosts and freezes across the Northern Plains September 1, 2020 The September 2020 temperature and precipitation outlook favors a warmer- and drier-than-average September across the western United States, and a wetter-than-average month across the south-central Plains and much of … A heat wave that set in over the South and Southwest left much of the U.S. blanketed in record-breaking triple digit temperatures over the weekend. Not September. Your California Privacy Rights Meteorologists Warn 'Potentially Historic Heat' Could Swelter Most of U.S. in July. So what about relief? Heat domes increased in intensity over the entire Northern Hemisphere during the summer months from 1979 to 2010. There has been a dramatic increase in hot nighttime temperatures in the US, reducing the number of critically important relief windows during heat waves. And the worst prolonged heat looks to be around western Nebraska, Oklahoma and the Texas panhandle, with temperatures approaching 110, but without the sticky humidity. Extreme temperatures coupled with high humidity flowing from the Gulf of Mexico have set the stage for life-threatening heat in parts of the central and southern US. Widespread and prolonged extreme heat is baking the contiguous United States. Dangerously hot temperatures are … 67,497, This story has been shared 48,671 times. “It does not give us any false hope,” Masters said. Communities of color have been hit hardest by a number of factors: COVID-19, poverty, poor housing, polluted water, isolation and other harms resulting from systemic racism. 2020 has been the planet’s 2nd hottest year on record through June and is 90 percent likely to finish among the top three. “False hope or real hope is hard to come by.”. The fingerprint of climate change has been found in the increase of wet bulb temperature since 1973, driving heat stress globally. And the jet stream, a river of air that keeps weather moving, has retreated to Canada, so nothing is pushing the heat along. This story has been shared 67,497 times. The situation in El Centro, California is another powerful example of the intersection of social inequity, the COVID-19 pandemic and climate change during the heat wave. At lower elevations, such as coastal regions, the total weight of the air above is greater than if you were high up on top of a mountain. A giant ridge of high pressure, parking hot air, is stuck in the Southwest and extends farther east that usual, blocking cold fronts from moving in, Rosencrans said. Not the rest of July. An intensifying heat dome is bringing sweltering heat to the U.S. this summer, with nearly 90% of the country's population set to experience higher than … “It’s not a record-breaking heat wave, but it is notable for its persistence.”. Arizona and Texas are both seeing record numbers of new infections. Your Ad Choices by Cass Anderson 5 months ago ... which ranked as the fourth-warmest and warmest on record in the contiguous United States. Little Rock is forecast to feel like 107 and 109 on Friday and Saturday. The virus is exposing underlying problems, says Luis Olmedo of Comité Cívico del Valle, a grassroots justice organization in the Imperial Valley. likelihood of seeing extreme and record-hot temperatures increases. Thanks for contacting us. 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