Obviously, a 1.5F increase in the global temperature since 1850 has made things super dangerous
The temperature the human body cannot survive
Scientists have identified the maximum mix of heat and humidity a human body can survive.
Even a healthy young person will die after enduring six hours of 35-degree Celsius (95 Fahrenheit) warmth when coupled with 100 percent humidity, but new research shows that threshold could be significantly lower.
At this point sweat — the body’s main tool for bringing down its core temperature — no longer evaporates off the skin, eventually leading to heatstroke, organ failure and death.
This critical limit, which occurs at 35 degrees of what is known “wet bulb temperature”, has only been breached around a dozen times, mostly in South Asia and the Persian Gulf, Colin Raymond of NASA’s Jet Propulsion Laboratory told AFP.
None of those instances lasted more than two hours, meaning there have never been any “mass mortality events” linked to this limit of human survival, said Raymond, who led a major study on the subject.
So, it doesn’t happen often or long, at least during the Modern Warm Period. We have no way of knowing about it during the previous Holocene warm periods. But, good news, things are actually much, much worse
But extreme heat does not need to be anywhere near that level to kill people, and everyone has a different threshold depending on their age, health and other social and economic factors, experts say.
Surely they’ll tell us what that temperature is, right?
The theorised human survival limit of 35C wet bulb temperature represents 35C of dry heat as well as 100 percent humidity — or 46C at 50 percent humidity.
To test this limit, researchers at Pennsylvania State University in the United States measured the core temperatures of young, healthy people inside a heat chamber.
They found that participants reached their “critical environmental limit” — when their body could not stop their core temperature from continuing to rise — at 30.6C wet bulb temperature, well below the previously theorised 35C.
The team estimated that it would take between five to seven hours before such conditions would reach “really, really dangerous core temperatures,” Daniel Vecellio, who worked on the research, told AFP.
OK, then get your ass inside. It’s the 21st Century, we have measures to deal with this. Also, we’re doomed at 87F. Also, notice the use of estimated and theorized. They didn’t actually run through the testing. Further, the whole line about “everyone has a different threshold.” It’s all about the scaremongering. And the sweet, sweet, government cash for the study.
Certainly not the hottest July in the US:
July 2023 (1.71°F warmer than the 1991-2000 average) was cooler than July 2006 (2.24°F warmer), July 2012 (2.112°F warmer) and July 2022 (2.077°F warmer).
If every emission warms the planet, then why was July 2023 0.53°F cooler than… pic.twitter.com/ewtAKg3ath
— Steve Milloy (@JunkScience) August 3, 2023
Read: Doom Today: This Is The Temperature Humans Cannot Survive »
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