The 30 warmest months on record, by monthly global average surface air temperature. July 2023 was the hottest month on record and the warmest the Earth has been in 120,000 years, based on data collected from coral reefs, deep sea sediment cores, and tree rings. Graphic: European Commission’s Copernicus Climate Change Service

July 2023 was likely the hottest month in 120,000 years – “This anomaly is so large with respect to other record-breaking months that we are virtually certain that the month will become the warmest July on record, the warmest month on record”

By Laura Baisas 31 July 2023 (Popular Science) – Scientists are already calculating that July 2023 will be the hottest month on record—and likely the warmest month that humanity has ever experienced. The United Nations’ World Meteorological Organization (WMO) and the European Union’s Copernicus Climate Change Service announced late last week that this month’s heat was beyond record-smashing. The […]

A man rides a bike on a small road on the outskirts of Frankfurt, Germany, as the sun rises on Friday, 7 July 2023. Photo: Michael Probst / AP Photo

Climate collapse could happen fast – “Many scientists knew these things would happen, but we’re taken aback by the severity of the major changes we’re seeing”

By Lois Parshley 20 July 2023 (The Atlantic) – Ever since some of the earliest projections of climate change were made back in the 1970s, they have been remarkably accurate at predicting the rate at which global temperatures would rise. For decades, climate change has proceeded at roughly the expected pace, says David Armstrong McKay, a […]

Map showing the American GFS model forecast for the heat dome covering the U.S., 29 July 2023. Graphic: WeatherBell

More records will fall as brutal heat wave continues across southern U.S. – “Extreme heat will significantly increase the potential for heat-related illnesses, particularly for those working or participating in outdoor activities”

By Matthew Cappucci 21 July 2023 (The Washington Post) – For more than a month, a blistering heat wave has baked much of the Lower 48, reaching from the Pacific to the Atlantic and bringing triple digit temperatures to nearly 70 million Americans. The parent “heat dome” is going nowhere anytime soon and will push the entire continental United […]

Clouds of smoke from a forest fire rise to the sky on the island of Rhodes, Greece, Saturday, 22 July 2023. A large blaze burning on the Greek island of Rhodes for the fifth day forced authorities to order an evacuation of four locations, including two seaside resorts. Photo: Rhodes.Rodos / AP

2,000 people including tourists evacuated as a wildfire rages on the Greek island of Rhodes

By Demetris Nellas 22 July 2023 ATHENS, Greece (AP) – A large wildfire burning on the Greek island of Rhodes for a fifth day has forced authorities to order an evacuation of four locations, including two seaside resorts. About 2,000 people, including tourists, were evacuated by sea, fire department spokesman Yannis Artopios said Saturday evening. […]

Map of regional temperature anomaly and heat-related mortality rate in Europe during the summer of 2022. a, Regional temperature anomaly (°C) averaged over the summer. b–f, Regional heat-related mortality rate (summer deaths per million) aggregated over the summer for the whole population (b), women aged 65–79 years (c), men aged 65–79 years (d), women aged 80+ years (e) and men aged 80+ years (f). Summer refers to the 14-week period between 30 May and 4 September 2022 (weeks 22–35). Graphic: Ballester, et al., 2023 / Nature Medicine

Study finds possibility that more Europeans died because of heat in 2022 than any year in recorded history

By Alice Park 10 July 2023 (TIME) – As the Earth continues to warm, the rising temperatures are contributing to a number of health conditions that are in turn driving up mortality. And for the first time, scientists have figured out a more detailed way to estimate how many deaths can be attributed to heat. […]

Meridional winds in m/s (contours; purple: southerly, orange: northerly winds, in (a–c, e–g) contours start at an absolute value of 3 m/s and increase/decrease by 3 respectively, in (d, h) contours start an absolute value of 0.5 and increase/decrease by steps of one) and near surface temperature anomalies filled contours during (a–c) wave-7 and (e–g) wave- 5 events relative to the respective climatology in the northern hemisphere summer (JJA) based on (a, e) ERA5 reanalysis (1960–2014), (b, f) historical (1960–2014) and (c, g) future (SSP5-8.5, 2045–2099) bias-adjusted output from CMIP6 simulations (four models). d, h) Difference in meridional winds and temperature response during wave events comparing historical and future patterns in four bias-adjusted CMIP6 models (for twelve non adjusted models see Fig. S6). Hatching shows statistical significance on a 95% confidence level (a, d, e, h) or 100% model agreement in sign (4 out of 4 models, b, c, f, g) While the phase positions and intensity of the wave patterns (line contour) are well represented in the models their surface imprint are considerably underestimated in historical simulations. Changes in the temperature response are identified over North America, Eurasia and East Asia (d, h). Graphic: Kornhuber, et al., 2023 / Nature Communications

Study finds climate risk to crops greater than thought – Simultaneous harvest failures across major crop-producing regions threaten global food security – “These types of concurring events are really largely underestimated”

By Kelly Macnamara 4 July 2023 (AFP) – The risks of harvest failures in multiple global breadbaskets have been underestimated, according to a study Tuesday that researchers said should be a “wake up call” about the threat climate change poses to our food systems. Food production is both a key source of planet-warming emissions and […]

A Jet takes flight over downtown Phoenix on 12 July 2023, when the high hit 111 degrees. Nationwide, more than 113 million Americans were under some form of heat alert, the National Weather Service said. The alerts, which included excessive heat warnings and heat advisories, stretched 2,000 miles from Oregon to Louisiana. Photo: Matt York / AP

Climate change isn’t a top issue for Democrats or Republicans. Record heat should change that.

By Clifford Young 15 July 2023 (USA TODAY) – Extreme weather events are on the rise. States across the south-central and western U.S. are roasting. New York to New England is dealing with catastrophic floods. After years of drought, California went the opposite way and experienced one of the wettest winters in decades. And the across the country, […]

Map showing OSHA reported heat deaths per 1 million workers in the U.S., 2017-2022. Oklahoma and Arkansas had the highest death rates, at 2.26 / million and 2.1 / million, respectively. Data: OSHA / Census Bureau / Bloomberg Law. Graphic: Jacob Bogage and Eli Tan / The Washington Post

Forcing people to work in deadly heat is mostly legal in the U.S. – As the planet records some of its highest average temperatures, workers have barely any legal protections from extreme heat – “They send us with two bottles of water, and that’s it”

By Jacob Bogage and Eli Tan 14 July 2023 (The Washington Post) – The pain usually starts for Karla Perez when the temperature reaches 100 degrees. “When it’s too hot, I feel like vomiting,” said Perez, who has worked landscaping and construction jobs in the Dallas area for the last decade. “My legs are shaking. […]

Steam rises from the cooling towers of the Electricite de France nuclear power station of Le Bugey in Saint-Vulbas near Lyon, 13 April 2015. Robert Pratta / REUTERS

High river temperatures to limit French nuclear power production – Hot weather likely to halve available power from two plants

By Forrest Crellin 12 July 2023 PARIS (Reuters) – Output restrictions are expected at two nuclear plants along the Rhone River in eastern France due to high temperature forecasts, nuclear operator EDF (EDF.PA) said, several days ahead of the similar warning last year, but affecting fewer plants. The hot weather is likely to halve the available power […]

Map showing forecast surface temperature highs in the United States, 14 July 2023 - 19 July 2023. Graphic: WeatherBell

Dangerous, record-setting coast-to-coast heat wave to peak in mid-July 2023 – Relentless heat dome will intensify, threatening all-time records

By Matthew Cappucci 14 July 2023 (The Washington Post) – Mid-July is the hottest time of year for many in the Lower 48 states, but the historically intense heat dome that’s sprawled over the southern and western U.S. is exceptional and pushing temperatures into uncharted territory. Triple-digit temperatures are expected to impact at least 10 […]

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