A post over at Reddit warns of a dangerous and potentially deadly heat dome in Brazil, where temperatures could climb as high as 49°C (120°F) next week...
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In recent days, climate models have consistently indicated a potential temperature record in much of central and southern South America. In reality, as the date approaches, the models are indicating even more intense heat.
For September 26, the models are predicting up to 49°C in Mato Grosso do Sul and Mato Grosso. But the heat record will affect a large part of Brazil, not just the Midwest. Records are also expected to be set in Paraguay, northern Argentina, and Bolivia.
The models indicate a temperature anomaly of more than 20°C — that is, 20°C (36°F) above normal for this time of the year.
Evidence from studies suggests that climate change is increasing the frequency of intense heat domes, pumping them higher into the atmosphere, not unlike adding more hot air to an already heated balloon. Therefore, several studies point to an increase in the intensity, duration, and frequency of heatwaves in Brazil and around the world.
Never in the history of global climate observation have so many all-time heat records fallen by such a large margin as in the historic heatwave of late June 2021 in western North America, an effect of a massive heat dome. It was the second most deadly climate disaster of the year with 1,037 deaths: 808 in western Canada and 229 in the northwestern US.
Canada broke its national all-time temperature record on three consecutive days in Lytton, British Columbia, which reached an impressive 49.6°C on June 29, a day before the town was engulfed in a fierce wildfire fueled by extreme heat. The old Canadian heat record was 45.0°C on July 5, 1937.
"This was the most anomalous regional extreme heat event to occur anywhere on Earth since the beginning of temperature records. Nothing compares," said climate historian Christopher Burt, author of the book Extreme Weather. Pointing to Lytton, Canada, he added, "There has never been a national heat record in a country with an extensive period of record and a multitude of observation locations that was surpassed by 4°C."
A rapid response study from the World Weather Attribution program found that the high daily temperatures observed in a study area covering much of western Oregon, Washington, and British Columbia in June 2021 would have been "virtually impossible without human-caused climate change." The study estimated that it was approximately a one in 1000 year event in today's climate, but in a world with 2°C of global warming, which is projected for two decades from now, a similar event could occur approximately every five to ten years.
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We are in a climate emergency, and it's time we started acting like it.
REDDIT POST -- https://www.reddit.com/r/collapse/comments/16kxx5u/brazil_will_hit_49c_in_september_this_year/
#Brazil #Canada #Environment #Climate #ClimateChange #ClimateCrisis #ClimateEmergency