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Leon Simons (is fine) Profile picture
@LeonSimons8
Sep 29 โ€ข 2 tweets โ€ข 1 min read โ€ข Read on X
๐ŸŒ€๐Ÿคฏ
Looking at the power of a hurricane. It's hard to comprehend:

"500 TW is an enormous amount of energy and is 250 times the worldโ€™s average electrical energy production of 2 TW.

Assuming ... the eyewall has an area of 5,000 kmยฒ gives an eyewall heat flux of 100,000 W/mยฒ" Image
From:
On hurricane energy
Louis M. Michaud (2012)

proquest.com/docview/104077โ€ฆ
Image

โ€ข โ€ข โ€ข

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More from @LeonSimons8

Leon Simons (is fine) Profile picture
Sep 18
This changes everything๐Ÿ“ˆ.
The Northern Hemisphere's Energy Imbalance.

The most important @NASA data you've never heard about.

The northern half of our planet started to absorb much more heat from the sun than it radiates to space.

These are absolute values (not anomalies):Image
For the first time @NASA CERES satellite data shows the Northern Hemisphere absorbing more sunlight (48-month average of 242.2 W/mยฒ) than the Southern Hemisphere.

The amount of absorbed sunlight increased by 0.6 W/mยฒ more over the Northern than over the Southern Hemisphere: Image
Which is coincidentally also the current Northern Hemisphere Energy Imbalance: Image
Read 5 tweets
Leon Simons (is fine) Profile picture
Sep 16
As parts of Europe are flooding, remember how aerosols decreased rainfall.

We need extensive assessments of what the rapid desulphurisation means for extreme rainfall over Europe.
๐—œ๐—บ๐—ฝ๐—ฎ๐—ฐ๐˜๐˜€, ๐—”๐—ฑ๐—ฎ๐—ฝ๐˜๐—ฎ๐˜๐—ถ๐—ผ๐—ป ๐—ฎ๐—ป๐—ฑ ๐—ฉ๐˜‚๐—น๐—ป๐—ฒ๐—ฟ๐—ฎ๐—ฏ๐—ถ๐—น๐—ถ๐˜๐˜†
The @IPCC_CH WG2 report barely mentioned aerosols, while:

"Anthropogenic aerosols greatly modify sub-regional precipitation changes, and their spatio-temporal changes are uncertain"
@IPCC_CH In plain language, that means:

Reducing air pollution will greatly change rainfall patterns, but we're not sure where and when.

Why a report named ๐—œ๐—บ๐—ฝ๐—ฎ๐—ฐ๐˜๐˜€, ๐—”๐—ฑ๐—ฎ๐—ฝ๐˜๐—ฎ๐˜๐—ถ๐—ผ๐—ป ๐—ฎ๐—ป๐—ฑ ๐—ฉ๐˜‚๐—น๐—ป๐—ฒ๐—ฟ๐—ฎ๐—ฏ๐—ถ๐—น๐—ถ๐˜๐˜† doesn't cover this in more detail is beyond me.
Read 4 tweets
Leon Simons (is fine) Profile picture
Aug 31
Wake up!
Image
The past two months were similar to 2023.

We might not see pre-2023 monthly global average temperatures for a total of >30 months!

If the rate of warming has increased even more than we think, we might never experience pre-2023 temperatures again..


Image
The science shows that during most of the past 120,000 years, the amount of heat on Earth was reduced by many yottajoules.

A yottajoule equals 1,000 ZJ.

Which is equal to 1,000,000,000,000,000,000,000,000 (10ยฒโด) joules.

Image
Read 8 tweets
Leon Simons (is fine) Profile picture
Aug 27
๐Ÿค– AI can lie to you.

Don't trust it!

I asked a simple question: How much heat (in ZJ) does it take to increase global sea levels by one meter, only melting land ice.

It says it considers the density differences between ๐ŸงŠice & ๐ŸŒŠwater (917 vs 1000 kg/mยณ), but it doesnโ€™t.
1/ Image
2/
 I see more and more people trust AI to do their calculations for them.

As I showed here, it's more often wrong than right:

patreon.com/posts/11016073โ€ฆ
3/
 One of many things that's great about the metric system (SI units in general ๐Ÿ‘‡) is that it's so easy to make calculations on water:

A cubic decimeter (10 dmยณ, 1000 cmยณ) holds one liter of water, which weighs one kg.

And a cubic meter (mยณ) holds 1000 liters, weighing a ton. Image
Read 16 tweets
Leon Simons (is fine) Profile picture
Aug 6
Here's what happened.

A single cherry-picked dataset kept being used to imply others, including @NASA and @NOAA, were lying ("the truth is bad enough") about accelerated warming.

Now that single dataset has been updated and does show an acceleration.
This confirms what @NASA and @NOAA researchers (Loeb et al. 2021) found about the doubling in the rate of global warming (Earth's Energy Imbalance, which is mainly ocean warming, as those take up 90% of the additional heat) over the past ~20 years.


Image
Doubling down on denial:

Read 6 tweets
Leon Simons (is fine) Profile picture
Aug 3
May 2024 was the first month since February 2016 for which @NASA CERES satellite data shows a relatively strong negative monthly Earth Energy Imbalance.

For global warming to stabilize, the long term average needs to be zero.

Values climatology corrected. Image
@NASA These are the monthly values.

A lot to see here.

I'll write a detailed explainer on Patreon (link in bio) once the data for June are available. Image
These are the monthly Outgoing Longwave Radiation Anomalies.

May 2024 was 2.3 W/mยฒ higher than May 2023 was.

That means a lot more heat was leaving the planet, which caused the negative monthly EEI and significantly lowered the 12-month mean, to 1 W/mยฒ. Image
Read 7 tweets

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