Daan van den Broek

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@Daaanvdb

Meteorologist |
Researcher @IlmaTiede |
daanvandenbroek.com |
Freelance Writer |
MSc Atmospheric Sciences @helsinkiuni - Minor done @UNISvalbard

daanvandenbroek.com Joined January 2011

775 Following 2K Followers 16K Posts

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Daan van den Broek @Daaanvdb Apr 16, 2025

📚 Paper alert!

Thrilled to share my first scientific publication as a first author!

"Svalbard's Record‐Breaking Arctic Summer 2024: Anomalies Beyond Climatological Warming Trends" is just out in Geophysical Research Letters, open access.

🧵(1/5)

Daan van den Broek @Daaanvdb 10h

This is going to make some climate 'skeptics' real mad.

Prof Michael E. Mann Verified account @MichaelEMann Jun 15

Sorry mendacious climate deniers. The #HockeyStick is longer and sharper now, as demonstrated by an independent group of ~80 paleoclimate scientists around the world: skepticalscience.com/print.php?n=19…

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Daan van den Broek @Daaanvdb 12h

According to this genius, we can’t conclude that:

- Mars is colder than Earth
- Antarctica is colder than the Sahara
- Finland is warmer in July than January

Apparently, spatial averaging is now “statistical fiction”.

NPC Knuckles @KnucklesNp26684 13h

@Daaanvdb "The overwhelming majority shows warming."

It doesn't matter. You CANNOT make judgements for THE ENTIRE WORLD (i.e. "global temperature") based on a suite of highly localised measurements. It has no validity in terms of physics or reality. It is a statistical FICTION.
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Daan van den Broek @Daaanvdb 13h

ECMWF subseasonal forecasts have indicated anomalous high pressure in the north many consecutive runs.

The signal recently shifted from a Greenland blocking towards Scandinavian blocking for late Nov and early Dec.

I would expect a relatively cold start of the winter if it materializes. ❄️📉

Daan van den Broek Verified account @Daaanvdb 13h

Many seasonal forecasts look like this - remarkable agreement.

If it materializes, I would expect a colder than average winter in at least northern Europe.

The only risk is that the negative NAO pattern is relatively far west-based in some forecasts.
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Daan van den Broek @Daaanvdb 13h

Many seasonal forecasts look like this - remarkable agreement.

If it materializes, I would expect a colder than average winter in at least northern Europe.

The only risk is that the negative NAO pattern is relatively far west-based in some forecasts.

MetRyan @MetRyan96 16h

Another look at the GLOSEA update

This is the strongest signal for Northern blocking this model has produced (back to 2009)

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