Wet Bulb Temperature Soon to Become Leading Cause of Death

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As our Abrupt Climate Change Catastrophe becomes more extreme the leading cause of death on the planet will be humans hitting their   Wet Bulb Temperature.

Robertscribbler has written about this phenomenon here:

Never-before-seen high temperatures and high humidity are resulting in thousands of heat injuries and hundreds of heat deaths across India. In some places, wet bulb readings appear to be approaching 35 C — a level of latent heat never endured by humans before fossil fuel burning forced global temperatures to rapidly warm. A reading widely-recognized as the limit of human physical endurance and one whose more frequent excession would commit the human race to enduring an increasing number of episodes of killing heat. A boundary that scientists like Dr. James Hansen warned would be exceeded if a human-forced warming of the world was not halted.’  Article continues.

Wet Bulb Near 35 C — Heatwave Mass Casualties Strike India Amidst Never-Before-Seen High Temperatures.’

Short cut to calculating Wet Bulb Temperature

“In a recent study with Matt Huber, we showed that it doesn’t take that many degrees of global warming to permit peak heat summertime heat stress to (occasionally) become unsurvivable, in many parts of the world that are currently highly populated.”

“We came to this conclusion by considering a meteorological quantity called the wet-bulb temperature. You measure this quantity with a normal thermometer that has a damp cloth covering the bulb. It is always lower than the usual or “dry-bulb” temperature; how much lower depends on the humidity. At 100% humidity (in a cloud or fog) they match. In Sydney and Melbourne, even during the hottest weather, the wet-bulb usually peaks in the low 20’s C. The highest values in the world are about 30-31C, during the worst heat/humidity events in India, the Amazon, and a few other very humid places.
Climate Change Research Centre (CCRC) – The University of New South Wales Sydney NSW  Australia, paper shared here:  ‘What is Wet Bulb temperature?

Orange – Heat stroke probable, Red – Heat stroke imminent

Heat Index

I'm an anti-imperialist, environmental activist and blue ocean sailor, who is passionate about the earth and all it's inhabitants without favour. Brace for imminent impact as we bare witness to the non-linear unraveling of the biosphere and habitability disappearing for most if not all complex life on the only habitable planet we know of. To quote President Niinistö in North Russia: ‘If We Lose the Arctic, We Lose the World’. Folks we have lost the Arctic.

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Posted in Habitat, Rapid Climate Change, Warnings
137 comments on “Wet Bulb Temperature Soon to Become Leading Cause of Death
  1. Oh gee, they’re finally putting it on corporate news. Ain’t that a hoot? Can we say oopsie?

    sealintheSelkirks

    Liked by 1 person

  2. Kevin Hester says:

    “WE KNEW WHO WAS GOING TO DIE”: WARNINGS ABOUT LOWER-INCOME HEAT RISK WENT UNHEEDED
    Many of the deaths in extreme heat events, like the record-breaking one in the Pacific Northwest, could be foreseen, a scientist told Congress.

    https://theintercept.com/2021/07/23/portland-deaths-heat-climate-lower-income/?utm_medium=email&utm_source=The%20Intercept%20Newsletter&fbclid=IwAR2xWkeVUtd6OjAwZtY0lmwqypH1I2NtcAonjn0nDiGQRIsGMOn4WaLI8-A

    Like

    • After a too-warm Spring with no fricking rain in these mountains, 100’F on 2June, 116’F on 29June and the first damn wildfire upwind of me on this ridgeline on that day, I am really not looking forward to next Spring and Summer. It’s going to be hotter, there will be more fires and probably earlier, and there’s nothing I can do about any of it. Somehow I’m rather dubious about the wealthy suddenly having an epiphany about what their insane greed is leading to.

      Am I going to have to break down and buy an AC unit? I have never lived with one of those machines or used them in a vehicle.

      I cannot imagine living where the ground is nothing but asphalt and concrete though I did the first 33 years of my life in Ocean Beach & Mission Beach San Diego. But at least there was the ocean in front of me as a limitless vista for the eyes and beaches to run on and the sea to be on, and under into another world of wonders. Treasured moments in memory.

      The second 33 years has all been in mountains but like what’s been said, I can’t go sit under the canopy in the shade with Wet Bulb levels. But I have this coming winter to live in, ya know? Best enjoy every minute of it is what I’m thinking.

      Froze last night, ice on the roofs this morning. Incredibly clear sky last night. Still too warm for this time of year. In 2004 the thermometer hit -30’F at the end of October and I doubt I’ll ever see that again…

      sealintheSelkirks

      Liked by 1 person

  3. M Bee says:

    Can’t believe someone posted a graph using Fahrenheit, lol. Hello?

    Liked by 1 person

    • Convert in your head to C isn’t a problem is it? Depends on which country one has grown up in whether C or F measurements are the standard.

      Metric is easier once a person gets used to doing the switch in your head.

      sealintheSelkirks

      Liked by 1 person

  4. Kevin Hester says:

    Wet Bulb Temperatures not even mentioned. This happens frequently in Australia when cars break down in the desert.
    People have been known to have drunk their radiator and wind screen washing water.
    https://www.theguardian.com/us-news/2021/oct/21/california-family-hike-cause-of-death?fbclid=IwAR3cWxUJgS1O3vMXJ03QCbDqiL0EP1BGMhQFB8mmyhhElsHq9J5JDC6IKZQ

    Like

    • I don’t even go outside when the temps hit 90’F/32C. Fans, swamp cooler going, cold sun tea/water, book. This last late May/June/July/August/early September was the least amount of time I’d spent outdoors in my life I think. It was too hot to do anything, and I was dodging wildfires, unhealthy to hazardous air quality from the smoke, not just the heat.

      Didn’t think this mountain area next to Canada was part of the Sonora Desert when I moved here 18 years ago…Silly me! But I swear, that damned desert moved north!

      But doing an 8 mile hike in the mountains known for not having shaded areas, with one measly water bottle for two adults, a little kid, and a dog? And they didn’t bother to check the weather beforehand; what it was the day before? Or maybe they thought walking in the higher mountains than down in Mariposa would be cooler because in August the used-to-be-normal weather has always been miserably hot.

      Well, it obviously was cooler in the morning but this wasn’t a bright move on their part. Ignorance or stupidity, both kill in extreme weather. They may be good at their jobs but obviously they didn’t know what the hell they were doing or they wouldn’t be dead.

      sealintheSelkirks

      Liked by 1 person

  5. Kevin Hester says:

    Another ‘fresh’ analysis.
    View at Medium.com

    Like

    • Of course entire cities will become uninhabitable, and then they will be turned into salvage mines during those periods when it isn’t.

      One sentence really caught my eye:

      Several weeks of high wet bulb…kills most of the humans and animals… Gee, what are the survivalists going to eat when they come out of their holes in the ground when all the animals are dead and rotting? No scavengers left, either, so the air is going to be full of reeking miasma…

      This popped up on the Daily Kos website:

      https://www.dailykos.com/stories/2021/11/2/2061872/-Our-Coming-Die-Off
      ____

      I REALLY dislike that the article said “Who predicted that climate change would hit us so hard so soon? No one did. Scientists did least of all, not on this time scale.”

      The writer completely discounted the scientists we have been reading for two decades or more. That was a bit dishonest I think.

      Some of the commenters were pretty intelligent, some were not so much. One said the worst thing done in life was having kids…

      But Arctic News Sam Carena at the far end of the comment is talked about (one comment: HOGWASH) but the 2026 die-off date is posted. People just DO NOT want to understand the term exponential and positive feedback as the detractors all used the IT CAN’T HAPPEN THAT FAST because it never has before…

      sealintheSelkirks

      Like

      • Kevin Hester says:

        “The greatest shortcoming of the human race is our inability to understand the exponential function”.
        As you and Al point out almost no one gets the exponential function,

        Like

      • I just looked up Boulder Colorado’s population. It was over 108,250 in last years census. I guess the politicians and realtors have never taken a class from this guy because they are still promoting growth and crowing about how great it all is and what a good job they are doing.

        I’m in part III which just told me the levels of carcinogens in LA are 426 times the Federal permissible levels. Which, as we all know, at any level is still unhealthy for every living earthling that breathes in that valley. Like radiation, there is no ‘safe’ level!

        That’s going to result in dampening your day at one point or another when it all accumulates to the point where the body can’t handle anymore.

        Kevin, this little bit of university class time is far more depressing that scraping muck off your shoe with your fingers. I guess the good fathers of Boulder are reeeeally looking forward to living in a shithole. Oh wait, it sounds like they already are. And they are so proud of themselves!

        This is over an hour long, gonna take me a few days of watching it in sections to get through it. These three shorts are enough for this morning because I don’t want to end up curled into a ball of depression on the sofa because I DO understand what he’s talking about because I not only know it can happen here but that it already is and there’s not a flipping thing I can do to stop the madness. Maybe I should bundle up and go sit on the porch and watch the rain for a while, smell the air, feel the chill wind on my face. Take a bowl of last year’s harvest to fire up, too…

        sealintheSelkirks

        Like

  6. Kevin, that entire class was going to go out and do exactly what he was telling them not to do. You could see it on their faces. They did NOT like what he was saying.

    Instead they graduated or dropped out, got jobs in industries that increased the problems brought up by Al for the most part I’m sure. The majority went and bought new cars to get to those jobs, flew in jets on vacation, had kids, went to Disneyworld…on and on the list can grow. A through-away one-use civilization teaches its children well.

    They and the vast majority of our species is patently insane and, to be blunt, deserves what is coming. With the idiocy I see with Covid I think there is a comparison there to be used for us. Cancer cells or a virus is what we have been acting like regardless of how disliked that may be to people who act affronted by the concept.

    The worst part is that the rest of the living beings on this planet don’t deserve to go extinct along with us due to our stupidity.

    This was a horribly depressing lesson in mathematics. I read the Population Bomb and Limits to Growth way back when. And like my comment above 6Nov that one commenter said the worst thing he ever did was have kids. At least I don’t have that to beat myself up over. I did make a good choice there. Raised stepkids and tried to get them to think but…cultural indoctrination is very very powerful, isn’t it?

    sealintheSelkirks

    Liked by 1 person

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Kevin Hester

Kevin Hester is currently living on Rakino Island, a small island in the Hauraki Gulf near Auckland, New Zealand, monitoring the unravelling of the biosphere and volunteering at the Rakino Island Nursery is currently developing a proposal to create a marine reserve near by. The Island has no grid tied electricity or reticulated water.  I catch my own water from the roof and generate my electricity from the ample solar radiation on the island.

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