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
75 comments on “Wet Bulb Temperature Soon to Become Leading Cause of Death
  1. Kevin Hester says:

    Mamals especially will be suseptable to hitting their wet bulb temps. Sadly, that’s us as well, not just the 200 species that go extinct every day.
    https://www.theguardian.com/environment/2019/mar/07/falling-out-of-trees-dozens-of-dead-possums-blamed-on-extreme-heat-stress?fbclid=IwAR3sCd2Z8f7Z6q6Up0S755TSEk5RxbVA2aUN3tSecfoK52HTJnKtZtqso74

    Like

  2. Kevin Hester says:

    Around the 12 minute mark in this chilling ( pardon the pun) episode of Radio Ecoshock Alex’s guest discusses nuclear power stations having to shut down in heatwaves in Russia, so much for Nuclear being an alternative to fossil fuels.

    Like

  3. KEVIN NOTE: my dial-up disconnected while this was posting and didn’t do anything when I re-connected. The page was froze. Please delete if it doubled!

    This may be what knocked me down three weeks ago. I’m on the ‘dry’ side of Washington State but the humidity in these mountains has been abnormally high even with the somewhat cooler temperatures (compared to last year). Haven’t cracked 38C/100F here yet but I’ve been pretty close. It was around 35C/92F and maybe above 50% when I dropped after coming back inside after cutting firebreaks for a couple of hours. Today it’s 32.5C/90′ in the shade and 23%…but I was cutting firebreaks last night after dark! I learned my lesson no doubt. Stay the hell out of the heat ’cause I’m getting too old for that shite!!!

    But having to breathe in 53C/123’F in India in JUNE? Look up the city of Chennai and the drought and water crisis they are in. Trainloads of 2.5 mil litres of water each being brought in daily, and all the reservoirs are dry. Combined with “a daily water deficit of at least 200 million litres” and the monsoons (IF they happen on time, no telling with the crazy Jet Stream) is months away.

    I’m sort of guessing that area of the planet may be where the Great Dying that is coming will probably start. Too many humans, too hot, not enough water, and radical Wet Bulb Effects are already in progress.

    Here’s a thought. The Colorado River Aqueduct comes from Arizona to Riverside SoCal. I have a friend that just drove a Uhaul to Salton Sea (people moving from here to there no less paid him to!) and stopping for the night in Ridgecrest where the 7,1 earthquake and hundreds of aftershocks continue to hit. Said the motion of the ground was causing seasickness and the locals in the motel and local restaurants were very, very nervous. The aqueduct is stretched across east to west maybe a hundred miles south. What do you think is going to happen when a major quake hits (it’s overdue) and suddenly there 14% less water coming in? Maybe the Federal Government will be hauling trains…oh wait the railroads get destroyed by large quakes. And the roads. And it’s getting hotter earlier in SoCal these days…might have to let all those lawns in the desert go, eh? There I go, being the cynical surfer dude again!

    sealintheSelkirks

    Liked by 1 person

  4. Kevin Hester says:

    Another wide ranging interview from my co-host on Nature Bats Last on PRN.FM
    Around the hour mark Guy discusses Wet Bulb Temperatures.

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  5. Kevin Hester says:

    “Intolerable bouts of extreme humidity and heat which could threaten human survival are on the rise across the world, suggesting that worst-case scenario warnings about the consequences of global heating are already occurring, a new study has revealed.”

    https://www.theguardian.com/environment/2020/may/08/climate-change-global-heating-extreme-heat-humidity?CMP=share_btn_fb&fbclid=IwAR3N4L4eCroPhXKoup4iUrhjxlA0Re-XzrTg2fm6zCFMhqfJyPX_RC4-9Pw

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  6. Kevin Hester says:

    Wet Bulb temps are discussed below;

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    • And it just keeps getting more and more scary, doesn’t it? And is it me? But seems like this reality is running at us faster and faster. This came up yesterday:

      10C Above Baseline

      https://www.counterpunch.org/2020/05/22/10c-above-baseline/

      Earth at 10°C above pre-industrial is unimaginable. It’s a deadly horrifying thought, but as shall be explained herein, it should not be dismissed out of hand.
      ________

      It has been raining here for two weeks at 49’N in the Selkirks. Since June 2nd it has rained 15 days. Mostly T-storm blasts, heavy overcast days, windstorms blowing my 30 meter red firs & ponderosa to 60′ of arc. Incredibly heavy deluge rains, too, often all night. In between, the few sunny days, there have been temps up to 81F/28C. Hottest April on record last month really does bode very ill for this coming fire season because, bluntly, I can’t keep up with the undergrowth’s growth the last few weeks! Everything stays so wet (night temp down to 3C) that pushing the mower just clogs it with wet everything. Still doing firebreak clearing, too, when it’s dry enough. Using a chainsaw when everything is wet I find seriously stupid… But then I think about this Pandemic and realize it is going to rip through fire camps and decimate the crews so I have to keep plugging away at it.

      Too many people I know, including my oldest stepdaughter, did or still do fight fires for a living and I know how crowded together those big tent camps get. All it takes is one asymptomatic carrier coming in. Oh my.

      Then there was that monster hurricane blasting Bangladesh the other day before the season started…and, oh, the Arctic:

      It Hit 80 Degrees in the Arctic This Week
      https://earther.gizmodo.com/it-hit-80-degrees-in-the-arctic-this-week-1843606717
      AT LINK: video: Nothing to see here. GlF: Climate Change Institute

      This story will provide important context for the headline, and I encourage you to read it—but really, the headline tells you what you need to know: It was 80 degrees Fahrenheit above the Arctic Circle this week.

      A little farther south, in Siberia—you know, the region of world we reference when we want to connote something cold—it was 86 degrees Fahrenheit. Arctic sea ice in the neighboring Kara Sea took the deepest May nose dive ever recorded. Oh, and random swaths of the region are on fire. Things are extremely wrong.
      __________

      This is bad. This is real, real bad. And all we get to do it watch it come. Sucks to be us, eh Kevin?

      sealintheSelkirks

      Liked by 1 person

    • Wed 17June

      Since 2May I have had some amount of rain fall for 36 days!!! Still going, too, from deluge t-storms to all night rainfall to just daytime showers to squalls blowing in. That’s counting today’s massive T-storm at 4pm after the smaller one at 11am actually missed me as I watched it go by n/w to s/e around 11am.

      Hot bright sunshine blue sky not a cloud in the sky all morning. I put out the cannabis plants into their garden area, then this wall of dirty dark gray front wall came barreling in but was just to the south of this property by just a few miles. It went by with bolts flying and thunder booming and gray swaths of rain falling from the mass. And I was still in sunshine.

      The one that hit in the late afternoon at 4pm was a freaking doozy. This is the dry mountains of Washington State, I’m 300 miles from the Cascades across the very dry Washington Scablands, and it’s not supposed to be 60% humidity here. Bolts blowing out of the sky everywhere again, major deluge rains, and I beat it home from Chewelah by 10 minutes which gave me enough time to lash things down.

      This is nuts. Back to sunshine and above 28C today. Not quite as hot as last year but I’ve already hit 34/35C and that was in early May…

      Faster and faster we swirl around the drain, Kevin. I’m getting dizzy!

      I may have already posted this somewhere on this site but…don’t remember so:

      Living With Global Warming

      https://www.counterpunch.org/2020/06/16/living-with-global-warming/

      I modeled mathematically the thermal imbalance of our biosphere, which we call global warming, so as to gain my own quantitative understanding of the interplay of the two major effects that give rise to this phenomenon. This is a “toy model,” an abstraction of a very complicated planetary phenomenon that teams of scientists using supercomputers have been laboring for decades to enumerate in its many details, and to predict its likely course into the future. (continues at link)

      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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