Edgar McGregor Profile picture
Jul 11, 2023 10 tweets 4 min read Read on X
🧵Since it is becoming hard to track, here is a thread of the simply astounding weather records planet Earth has started shattering in recent weeks:

1. Dramatic flood events have begun striking various countries around the world simultaneously this week.
2. El Niño has rapidly developed in recent months as sea surface temperatures across the equatorial east Pacific skyrocket.

As of yet, the presence of El Niño has not had an impact on global weather conditions. That will change in a few months, however.

3. The entire northeastern Atlantic Ocean is currently experiencing it's most significant marine heatwave ever by a long stretch.

In fact, that area had never been a full 1°C above the 1951-1980 average. It has suddenly jumped to 1.7°C above that average.
4. Antarctica, which is currently in the dead of winter, has unexpectedly failed to reform it's winter sea ice this year.

This is an exceptional deviation from the norm that has left even the most orthodox scientists dumbfounded.

Since I find this to be the most incredible statistic we're witnessing right now, it deserves a second tweet in this thread.

Here's a graph showing the standard deviations of the record low sea ice in Antarctica, which is now above 5σ!
5. An incredibly powerful heatwave has been sitting over southern North America for weeks on end now, with places like Texas and northern Mexico breaking daily record high temperatures for days on end.

This heatwave is moving west.
6. In the Caribbean Sea and Gulf of Mexico, sea surface temperatures are sky-high.

Water temperatures are in the *90s* by the Florida coast, Miami keeps breaking daily record heat index values, and a major coral bleaching event will soon be underway.
7. The Canadian 2023 Wildfire Season will not let up, with nearly all annual records falling before we even reach the midpoint of the season.

No Canadian wildfire season had ever produced 12 terawatts (TW) of fire radiative power. 2023 has produced 18TW.
8. All of these things have culminated in June 2023 easily being the hottest June in recorded history for planet Earth.

It's likely the hottest June in 115,000 - 120,000 years when Earth was last this warm.

9. Finally, 2023 will likely be Earth's hottest year on record.

It will not stay that way for long, however. Another year in the very near future will come along and take over the records set this year.

The climate crisis is escalating. It's time to act.

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More from @edgarrmcgregor

Sep 11, 2023
🧵Since it is becoming hard to keep track, here is a list of countries/municipalities that have seen catastrophic flooding in the first 11 days of September 2023:

- Greece
- Turkey
- Libya <--- *thousands feared dead*
- Brazil
- Hong Kong
- Shanghai
- Spain
- Las Vegas


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1. Huge downpours from Storm Daniel have flooded enormous swaths of land in central Greece, putting entire towns under several meters of standing water.

This is a huge agricultural area, with 25% of crop being lost.
2. In Turkey, rains from Storm Daniel that also struck Greece destroyed several towns, trapping this crowd of people in a quickly flooding room.
Read 11 tweets
Mar 2, 2023
There are quite a few people running around saying that these extreme snow totals in California this winter are evidence against climate change.

Well... is it?

Here is a quick crash course on the physics of snow and precipitation: 🧵
Snow is a complicated way to measure temperatures, especially when speaking to the general public about it.

When people think of snow, they think of wintertime, cold weather, and polar regions. When we talk about climate change, we're talking about the Earth warming up.
Consequently, people tend to believe that more global warming = less snow. For some cases, especially in warmer climates, that is absolutely true.

However, it is not true everywhere all the time, and mountainous California is one of those examples.
Read 7 tweets
Mar 1, 2023
You know what.

That is it. That is my last Google Sheet generated graph.

This has been a long time coming.

Here is a proper graph I just creating using python.

It took me 10 minutes to make this.

I hope you enjoy.
Hahaha!!

Look at this!

Chat GTP is helping me out and... I give it my code and it tells me how to fix it!

In under 30 minutes I not only learned out to create a graph, I learned how to add a trendline, change the line color, change the background color, and label it!
YOOOO!!!!

I JUST CODED THIS
Read 4 tweets
Sep 7, 2022
This should put the 2022 California heat wave into perspective for you. Image
Climate change is accelerating worldwide.

In Pasadena, CA, a day w/ an average temp of 90°F (( High temp + low temp) / 2 ) used to occur once per decade. It was reserved for the absolute hottest days of resident's lives.

Now, a single heatwave is producing 10 such days IN A ROW
Climate change is loading the dice against us. Extreme weather events like floods, heatwaves, wildfires, and droughts are becoming more extreme, more frequent, and longer lasting.

The atmosphere holding more energy is dangerous for the way life on Earth is evolved right now.
Read 6 tweets
Sep 7, 2022
Hmm...

The previous annual record in Pasadena, CA for most days with an average temperature of 90°F (high+low / 2) was 5 days in 2020.

Not only could 2022 double that, it will do so all in one heatwave.

A streak that is 2x the previous record annual total.

Looks great, guys.
Understand that is requires a stupidly rapid shift in climate for a STREAK to be twice as long as the previous record ANNUAL TOTAL.

Truly our worst heatwave ever.
Actually, I am wrong about this. There were only 4 days with an average temp of 90 in Pasadena in 2020. 9/7 has an error on the NWS NowData.

So.... today we reach 2x the previous annual maximum total, and we're doing it in a single heatwave. Thurs and Fri will bring us to 10.
Read 4 tweets
Jun 17, 2022
The western megadrought will very likely become the biggest climate story in the nation for this half of the century.

An enormous amount of infrastructure, money, and manpower will be required to keep water flowing to the cities of Los Angeles, Las Vegas, Phoenix, and San Diego.
No other climate catastrophe, whether it be wildfires, heatwaves, or flooding, has the power to bring an entire region to its knees.

Water is life. If Lake Mead dries up, the water availability to CA will be stretched even further before this state dries up too.
This catastrophe is going to be he first one of many to bite us in the ass. You want to adapt to the climate crisis instead of stopping it?

Adapting to this issue will first require the fallowing of entire agricultural regions in the SW US.
Read 6 tweets

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