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"It's 1°C. That's not a lot."
It's 1°C on average. That means every molecule of air has AT LEAST 1°C extra thermal energy. And I'm not sure if anyone has noticed, there's a lot of air molecules. So while taking one cubic centimeter of air and increasing it by 1°C isn't a ton of energy. Do that for roughly all 109 tredecitillion molecules and you get about 2.2 zettajoules of energy. Annual US energy consumption is just 0.094 zettajoules. So one degree increase is equal to more energy than the US uses in 23½ years. The biggest nuclear bomb humans ever made, that pulls in at about 0.00021 zettajoules. So one degree is roughly 10,500 Tasr Bombas going off and then the resulting heat just never leaving.
All of that energy. It has to go somewhere. Sometimes it makes ice turn to water, sometimes it increases the speed at which some wind is moving, sometimes it increases the surface temperature of land, sometimes it evaporates water leaving an area very dry. But it has to go somewhere. And it cannot just radiate back out into space, it hits a CO₂ molecule, bounces off of it, and flies right back down to Earth. And the more CO₂ molecules we put out there, the more often that happens.
Huh this is the first thing I've read that puts it into a sort of understandable perspective (eternally recovering from my conservative raised childhood, maybe sane people explain it better in general)
If you want a feeling for how your local temperatures will change you can extrapolate the peaks linearly. So if we look at London Uk as an Example https://ichef.bbci.co.uk/news/976/cpsprodpb/0394/production/_125961900_optimised-max_temp_uk-nc-002.png.webp
With a global mean temperature increase of 1 C since 1970 there was an increase in peak temperatures (avg) of about 2 C. So till 2050 it will be somewhere around 3 C for the average peak in summer. If we look at the ramp up since 2008 we can expect more like 5-6 C higher temperature records than today. So in the 2050s there will be some summers with 45 C records and the average hottest day every year around 35-37 C
Edit: and not to forget that this is only talking about how high the peaks every year are. The length of heatwaves will also increase by a few days. So where it was maybe 32 for three days and then 35 for one day, followed by a cooling thunderstorm it will be more like five days of 35 followed by a day of 37 and then a much more intense thunderstorm than what we know today.
Who! This is the first time someone explain this shit to me! 🤯 Like actually explained it so it makes sense.
Thank you!
Love this explanation. Thanks much. Sharing...
Whoa. I've never had this explained so clearly. Thanks. Also yikes.
This is an amazing explanation.