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13 Jun, 4 tweets, 4 min read
The two hottest Mays *on record* for Russia 🇷🇺 have occurred in the last two years.

Records go back to 1891. This is mind-blowing.

May 2021 was 2nd hottest behind 2020.

2020 2021
The temperature change in Russia over the last couple of centuries is staggering. Data via @BerkeleyEarth.

May 2020 and May 2021 also attached (global view) for comparison with data from @CopernicusEU
Thanks for the heads up @EKMeteo & @extremetemps

Shaping up to be a busy summer already... A lot of heat building on both sides of the Atlantic for starters.

More will be appearing on instagram.
⬇️⬇️⬇️
instagram.com/scottduncanwx

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More from @ScottDuncanWX

Scott Duncan Profile picture
14 Jun
Dude, where's my car? 🤔

A car dramatically disappears into the ground in Mumbai's Ghatkopar 🇮🇳 after heavy rainfall.

A whole new meaning to underground parking.

Hats off to @trevorjdunn for that witty response.
The fact that the car manages to disappear entirely is actually terrifying.
Read 5 tweets
Scott Duncan Profile picture
11 Jun
Antarctica is ridiculously cold right now.

It is deep winter down there with the relentless night. But it is significantly colder than normal.

It is so cold, it is having an impact on the global temperature anomaly.

THREAD
A lot of heat in Northern Hemisphere across many continents over the coming days but Antarctica sticks out like a sore thumb.

Map via @khaustein
This is the jet stream. The fast river of winds encircles the deep cold. Mesmerising right?

But right now, we have a strong jet and polar vortex locking the extreme cold over the ice sheets.
Read 10 tweets
Scott Duncan Profile picture
20 May
Unprecedented heat in the Arctic again today.

Even hotter than yesterday. This thread explains what is going on. ImageImage
This part of the world is crazy. Northerly winds delivers cold and sub freezing while southerly winds can push exceptional heat (despite being in the Arctic). The range of extremes is enormous.

Check the trend from the last few days from this weather station...

Source: Ogimet ImageImage
Arctic heat flashes like this are not new. The fact that we continually push the boundaries of what is possible and keep breaking records in the Arctic is all part of climate change.

The Arctic is warming much faster than the rest of Planet Earth.
Read 5 tweets
Scott Duncan Profile picture
19 May
It was hotter in the Arctic than pretty much all of your favourite European holiday destinations today.

This thread explains what is going on.
Let's start with anomalies. An anomaly compares the actual temperature to what is considered average for the time of year.

🔴 = warmer than normal
🔵 = colder than normal

You can see that most of Europe is much colder than average while Russia bakes in incredible warmth.
The weather pattern is perfect for singling out parts of Finland and Russia as hotspots.

The jet stream has a southerly track and locks cool air over much of the continent. The jet stream then lifts north around a blocking high pressure in Russia.
Read 15 tweets
Scott Duncan Profile picture
19 May
It reached +30°C (86.5°F) in the Arctic today. Hotter than pretty much all of Europe right now.

Truly exceptional for any time of the year but mind-boggling for May. More updates to follow.
This part of the Arctic is 20-24°C hotter than average for this time of year.

Notice how cool most of Europe is compared to normal.
The maximum temperature has since snuck up to +30.5°C.

Observations available via OGIMET
ogimet.com/cgi-bin/ogimet…
Read 9 tweets
Scott Duncan Profile picture
6 Apr
One extreme to another in less than one week!

Beauvais, France 🇫🇷 broke its monthly heat record on March 31 with a baking +24.8°C and then went on to beat its monthly cold record on April 6 with a chilling -6.9°C.

This violent season flip is brutal for flora and fauna.
A closer look et excellent travail de @KeraunosObs

'But we can't just compare maximum temperature from one day to the minimum of another'

I hear ya. That is bad practice. This is how the maximum temperature from 31 March compares to maximum temperature of today (6 April).

Mot places AT LEAST 20°C colder - awaiting finalisation.
Read 4 tweets

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