The Midcontinent Independent System Operator, which mostly covers states in the Midwest and Northern Plains, issued a similar one Thursday. PJM isn’t the only electrical grid to issue such an alert. “PJM currently has enough generation to meet forecast demand, but operators continue to monitor the grid conditions for any changes,” said spokesperson Jeffrey Shields on Thursday. The country’s largest power grid, PJM Interconnection, declared a level one energy emergency alert for its 13-state grid on Wednesday, meaning the company had concerns about ability to provide enough electricity. Overtaxing an electrical grid can mean blackouts, which are not just an inconvenience, but can lead to equipment failures and major pollution as equipment restarts. In New York City, utility Con Edison sent out a text blast asking residents to be frugal with air conditioning to conserve electricity. One meteorologist based in New Mexico called the prolonged period of temperatures over 100 degrees (37.8 Celsius) unprecedented.ĭue to the extreme heat, some of the nation’s large power grids and utilities are under stress, which could affect Americans’ ability to cool off. In the Southwest and southern Plains, oppressive temperatures have been a blanket for weeks. “A lot of water with ice and it will be O.K,” he said. Alexander Roman, who brought his children to play in the fountain at the city’s iconic Love Park, said he is not worried about heat stroke as long as his family can cool down. Philadelphia declared a heat health emergency as temperatures soared into the 90s, and city authorities opened cooling centers.īut some residents took the heat in stride. So that’s why we open to offer people (a place) to come to be comfortable.” This year, it started last week, becoming very hot,” said Robert Ciriaco, a corps officer with The Salvation Army. The Salvation Army in the Bronx was one of hundreds of cooling centers open in New York City to give people a respite from the scorching heat. “By Sunday, the high temperature is going to be 86,” he said, “so that’s more typical weather you would expect in July.” It seems the hottest temperatures happened on Friday. The “dangerous” heat wave, as the National Weather Service called it, may begin to subside on Saturday as thunderstorms and a cold front from Canada progress through the region. Forecasters expect several records may break Friday with temperatures 10 to 15 degrees Fahrenheit (5.5 to 8 degrees Celsius) above average. On Thursday, heat and humidity in major cities along the East Coast, including Washington, D.C., Philadelphia and New York City, made it feel above 100 degrees Fahrenheit (37.8 degrees Celsius). Scientists have long warned that climate change, driven by the burning of fossil fuels, by deforestation and by certain agricultural practices, will lead to more and prolonged bouts of extreme weather. The prediction for continued excessive heat comes as the World Meteorological Organization and the European Union’s Copernicus Climate Change Service declared July 2023 the hottest month on record this week. Tornado watches are posted in Wisconsin and New Hampshire, in addition to the heat advisories and potential for severe storms. There are severe thunderstorm warnings with a chance of quarter-sized hail Friday night for the Washington, DC metropolitan area. There are forecasts with flash flood warnings for Great Lakes and Ohio Valley, west to the Middle Missouri Valley through Saturday morning. On top of the heat, severe thunderstorms are forecast for multiple regions of the country.
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