Florida also under heat advisoriesīefore sunrise Thursday, the heat index on Virginia Key in Miami was 99.3 degrees, the dawn of yet another oppressively hot day in an extended heat wave blanketing South Florida.Īs of Thursday, Miami is at an unofficial record of 33 days with a heat index over 100 degrees, breaking a record set in 2020, according to Brian McNoldy, a senior research associate at the Rosenstiel School of Marine, Atmospheric and Earth Science at the University of Miami. Specifically, there is a greater than 90% chance that El Niño will continue through the winter, the CPC said.įorecasters also said this El Niño should be of "moderate to strong intensity," and added there's a one in five chance that it becomes "historically strong," rivaling the winters of 1997-98 or 2015-16. Speaking of El Niño: the famed climate pattern is expected to persist through the upcoming winter of 2023-24, federal forecasters from the Climate Prediction Center announced Thursday.
El Niño expected to persist through the winter “The onset of El Niño has implications for placing 2023 in the running for warmest year on record when combined with climate-warming background,” University of Georgia meteorology professor Marshall Shepherd said last month. Scientists say the warmth the planet is enduring this year is due to a combination of human-caused climate warming and the strengthening El Niño climate pattern in the Pacific Ocean. The European Copernicus Climate Change Service and Berkeley Earth also said it was the hottest June on record. There is now a 97% chance that 2023 will end up as one of the five hottest years on record. In addition, NOAA said the first half of 2023 ranked as the third-warmest on record, with a global temperature of 1.82 degrees above the 20th-century average. June 2023 also marked the 47th-consecutive June and the 532nd-consecutive month with temperatures above the 20th-century average, NOAA reported. NOAA's records go back to 1850, while NASA's go back to 1880. Our summer of heat records continued Thursday with announcements from both NOAA and NASA that June 2023 was the Earth's hottest June on record. June was globe's hottest on record, NOAA and NASA say “Be aware that the water will still be icy cold despite how hot the air will be and could be flowing very fast, much faster than usual for mid-July,” he said. “There is still snow to melt at the highest elevations, and it really is going to start to melt very fast … during this heat wave,” Swain said during a briefing. Snowpack remains dangerous in CaliforniaĪmid the focus on heat dangers, UCLA climate scientist Daniel Swain noted that rivers swollen from the melting of last winter’s epic Sierra Nevada snowpack remain dangerous. Another study found up to 20,000 deaths may have been linked to extreme heat from 2008 to 2017. It kills more people than tornadoes or hurricanes – combined.įederal agencies report about 700 Americans die each year from extreme heat, but some studies estimate that figure could be closer to 1,300 deaths a year. “If you need to work outside, shift hours to the early morning, take frequent breaks and hydrate!”Įxtreme heat is the deadliest weather-related event in the United States. “Please plan accordingly, this is not the time to be hiking or be outside for long durations,” the weather service’s Los Angeles office said on Twitter. People are urged to avoid strenuous activity during the daylight hours, to increase their intake of fluids and seek an air-conditioned environment when possible to avoid the potential of heat exhaustion and heatstroke, AccuWeather cautioned. The extreme heat and blazing sunshine can cause people to become rapidly dehydrated, experts warn. suffers with extreme heat, the planet as a whole just endured its warmest June on record, climate scientists reported Thursday.Īround the world, scientists say the unusually warm temperatures for this time of year, even in the Antarctic where it's winter time, are yet another example of a changing climate, made worse by fossil fuel emissions. "Unfortunately, the long-term outlook through the weekend and into next week is for an increasingly significant and oppressive heat wave," the weather service said.
Locations including Phoenix and Las Vegas, which were both under excessive heat warnings, could each challenge all-time record highs over the next few days, AccuWeather said, as temperatures soar above 110 degrees. The alerts, which include excessive heat warnings and heat advisories, stretched some 2,000 miles from Oregon to Louisiana. on Thursday, bringing near-record temperatures and an increased risk of wildfires to a large swath of the nation.Īs of Thursday afternoon, more than 113 million Americans were under some form of heat alert, the National Weather Service said. Southwest and Beyond Facing Nearly Two Weeks of Extreme HeatĪ dangerous, unrelenting heat wave scorched much of the south-central and western U.S.
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