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Sahara dust over Switzerland

Today, looking outside, quite a strange picture.

The answer: Sahara Dust.


The view from my balcony just now.

A friend was flying today and sent these:

Some more information on that here:

https://forecast.uoa.gr/en/forecast-maps/dust/europe

LSZH(work) LSZF (GA base), Switzerland

It’s interesting to see Sahara dust this time of year. What is the temperature?

Many might consider Sahara a useless desert, but these sandstorms actually provide nutrients to the Amazon rainforest and are probably why it is a big as it is.

https://www.nasa.gov/content/goddard/nasa-satellite-reveals-how-much-saharan-dust-feeds-amazon-s-plants

ESME, ESMS

Yes we saw it here in central France. Thanks for the explanation !

LFOU, France

That’s what it looked like from FL280

Dimme wrote:

It’s interesting to see Sahara dust this time of year. What is the temperature?

At my position about +7C. The weather situation however was one of Föhn, where you get southern winds towards the alps which then climb and fall over them, so we got up to 15C in certain places. Not extreme but quite interesting.

As you have probably seen the general weather situation is one of a quite huge low over Spain moving northeast, which was the reason we did get the dust. It will cause a bit of bother in Germany today…

LSZH(work) LSZF (GA base), Switzerland

This could generate some business for engine and instrument filter manufacturers

Administrator
Shoreham EGKA, United Kingdom

dust departure was Fri around noon. It’s the near red color in the false color picture.

9 hrs later

again 9 hrs later

7 hrs later, Sat 13 UTC

here VIS, Sat 12 UTC, still visible in the “natural” color pic.

Sahara dust near Madrid, Jul 2020

Dimme wrote:

provide nutrients to the Amazon

Thanks Dimme, really interesting

I had this at Lyon Bron in 2008, where the rain was dirty from the dust

EGHO-LFQF-KCLW, United Kingdom
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