Iran airport reports a heat index of 152 degrees F

[milestogo]

Link to tweet

[Blues Heron]

1. Heat index, not actual, but still whoa!

[milestogo]

3. Thank you.

The index is so high because the humidity is 90%. I can't even imagine.

[muriel_volestrangler]

11. 40 degrees Celsius (104 Fahrenheit) and 65% humidity

https://www.weatherzone.com.au/news/heat-index-hits-66c-at-persian-gulf-international-airport/1392522

[applegrove]

2. What have we done to the planet.

[Timewas]

4. Actually

The planet will survive, humanity is on the way to extinction and we did it to ourselves.

[applegrove]

5. Yup. Meanwhile the right wing oligarchs think their money will

still hold value when the world burns and people go bankrupt everywhere.

[Silent3]

6. We're dooming other species more than ourselves

Humans are too adaptable and resilient for climate change to cause human extinction. Oh, we might die off in hideous numbers, but nowhere near what it would take to cause our extinction.

[Otto_Harper]

7. That's only until they run out of

edible plants or edible animals to sustain themselves. Remember, being adaptable is only part of the problem. Finding food and water is the other piece of the puzzle.

[Silent3]

12. Global warming, bad as it, is not going to wipe out every available food source for humans

Feeding 8 billion people could become very problematic. Feeding mere millions won't. This is not a human-extinction level problem.

[Blues Heron]

8. no guarantee of that at all

That is a common retort but not sure it has any validity at all. We could end up like Venus for all we know

[Silent3]

13. We're far, far from Venusian levels of overheating

You can take a serious problem serious without trying to out-compete each other on doomsday scenarios.

We've got a bad problem. It's going to cause many vulnerable species to go extinct. It will badly hurt humans, disrupt food supplies, displace many people, make some areas uninhabitable, but climate change is NOT cause human extinction or 900°F surface temperatures.

...At least not for hundreds of millions of years. The sun is slowly getting hotter, and this planet is screwed long term no matter how well-behaved humans try to be.

[Blues Heron]

14. Nobody knows what the feedback loops will do, its silly to pretend otherwise

[Silent3]

15. THAT big a feedback loop problem can be ruled out

There's nothing silly about understanding there are reasonable limits here. We've had some pretty catastrophic events in the past which poured enormous amount of CO₂ into the atmosphere, and plenty of methane too, and Earth hasn't ever been anywhere close to becoming Venus.

[Blues Heron]

17. Are you a geophysicist?

[Silent3]

19. Are you?

I don't have to be a geophysicist to know that no reputable climate scientists are talking about, or worried about, Venus-like conditions occurring on Earth. We've got enough of a real problem to deal with without adding in absurd worries.

[Elessar Zappa]

16. True but

us turning into Venus anytime soon is a very unlikely scenario.

[Blues Heron]

18. who said anytime soon - the point is we are in uncharted territory

its really quite silly to pretend otherwise.

[machoneman]

9. Wow. Most jet aircraft can't take off in that heat as the engines don't produce enough thrust.

Unless they have 1/2 a fuel load and few passengers. Know it pales in comparison to the human factor but it is true.

[muriel_volestrangler]

10. It's the "heat index", which involves humidity, not the temperature.

While the humidity may have a small effect on thrust (slightly denser air?), I doubt it affects it much.

https://www.weather.gov/ama/heatindex

[Timewas]

20. Combination

Air density is the result of heat, called density altitude and it effects lift,bigger wings help along with speed and length of runway. Also depends on barometric pressure,altitude.

https://www.weather.gov/epz/wxcalc_densityaltitude