Records are going up in flames - is there any break to America's current heat wave?

Jun 28, 2021

2 min

Pamela Grothe


To call it a heat wave may be an understatement. But as June ends and July rolls in, a blanket of hot and humid weather is covering most parts of America with temperatures not seen since the end of the Great Depression.


The trend has scientists and meteorologists looking for answers.



AccuWeather's team of expert forecasters were describing the then upcoming heat wave as "unprecedented," "life-threatening" and "historic" as early as the middle of last week, and these descriptions have been accurate in the first days of the Northwest scorcher.


The weekend marked the beginning of the extended stretch of extreme temperatures. Portland, Oregon, a city that typically experiences temperatures in the middle to upper 70s in late June, soared to a staggering 112 degrees Fahrenheit on Sunday, breaking the all-time record high of 108 set just a day before. Prior to the current heat wave, the highest temperature ever recorded in the city was 107 set once in July of 1965 and twice in August of 1981.

Portland is also expected to obliterate its daily record high of 100 on Monday and possibly set an all-time high temperature record for the third straight day. AccuWeather is predicting a high of 113 on Monday, which would make it the hottest day ever recorded in the city.

The highest temperature ever recorded in the state of Oregon is 117, which was set in Umatilla on July 27, 1939.  June 28 - AccuWeather



And as Americans keep an eye on the mercury that continues to rise, there’s a lot of questions to be asked:


  • Is this a weather phenomenon?
  • Has climate change showed its hand?
  • Are these new temperatures the new normal for the summer months?
  • How can cities and communities adapt to these drastic conditions?
  • And is there any turning back these rising numbers?


If you’re a journalist looking to learn more about this topic, then our experts are here to help.


Dr. Pamela Grothe is an assistant professor in the Department of Earth and Environmental Sciences as the University of Mary Washington, who earned a Ph.D. in the Paleoclimatology Lab at the Earth and Atmospheric Sciences department at Georgia Institute of Technology. She’s also an #expert in climate change and specializes in how cities can cope and adapt to hotter temperatures and stay livable places.


Dr. Pamela Grothe is available to speak with media – simply click on her icon to arrange an interview.


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Pamela Grothe

Pamela Grothe

Assistant Professor

Dr. Grothe's research focuses on climate change, specializing in past climates.

OceanographyGlobal WarmingClimate Change Science Atmospheric ScienceGeology

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West Sanctions Russian Aviation, But Moscow Decides to Keep Planes Flying Despite Risks When the U.S. and its allies slapped sanctions on Russia for its full-scale invasion of Ukraine, severing aviation links was at the top of the list. Direct flights vanished and Russian airlines lost access to spare parts for their foreign airplanes. In retaliation, Vladimir Putin’s regime impounded foreign aircraft and shut off the world’s largest air space to countries imposing sanctions. Not since the early 1980s—when the U.S. suspended routes to the USSR over the Soviet invasion of Afghanistan, repression in Poland and downing of a Korean Air Lines plane—have aviation ties between the two countries dipped so low. Aviation sanctions today are having an impact but come with a major risk. If the fatal crash of a jetliner killing hundreds is linked to the lack of spare parts, Putin will blame sanctions and the West. 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This will make Russian aviation less efficient, less innovative and more expensive. Iranian airlines, which have long suffered under foreign sanctions despite some success circumventing them, present their Russian counterparts with a grim vision of the future such as being shut out of lucrative air travel markets and falling behind in emerging aviation technology. How does this shape safety in Russia’s skies? The short answer is that it’s not as bad as headlines suggest and the impact of sanctions is ambiguous at best. Click bait stories paint a dire picture but often conflate commercial, military and general aviation into alarming numbers that do not accurately capture what ordinary passengers face. Some accounts, such as one claiming 120 accidents occurred in 2023, provide few details or sources. Annual safety reports from Russia’s Interstate Aviation Committee (IAC) allow for comparison over time but often obscure Russia’s situation by combining data from each post-Soviet state it monitors. Its 2019 report is mysteriously missing and its decision not to investigate the fatal crash of Yevgeny Prigozhin’s Embraer Legacy 600 plane suggests meddling from above. That said, the IAC source base is the most systematic we have. Keeping in mind the potential for the politicization of its conclusions, what does a critical reading of its data alongside other sources suggest? First, fatal crashes in commercial and general aviation actually decreased in Russia from 18 in 2021 to 13 in 2022, and related deaths decreased from 70 to 24. Data for the first half of 2023 points in the same direction, with six fatal crashes and nine deaths. This trend was likely helped by the 14% decline in traffic after February 2022. While so many fatal crashes sound substantial, all but three in 2021 and all but one in 2022 involved small aircraft under 5,700 kilograms, not the jetliners we associate with most commercial flying. Absolute figures on crashes and deaths capture headlines but they don’t say much about safety without considering their relation to passengers flown or departures. According to the IAC, the rate of aviation accidents and the rate of fatal crashes per one million departures both increased from 2020 to 2021 but then decreased in 2022. The IAC does not single out Russia from other post-Soviet states for this metric. But since Russia has the largest aviation sector among those countries, these data suggest that its aviation safety has not dramatically worsened since early 2022. 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