We need strong winds for desert dust to reach us from North Africa, as it is now. The focus at this moment is exceptional, too.
The basics in brief
- There is currently as much as 60,000 tons of desert dust over Switzerland.
- Above all, it is rare that you will be able to observe the phenomenon for several days in a row.
Desert dust still hovered over Switzerland. As of Wednesday afternoon, the dust concentration was 1.5 grams per square meter, writes SRF. This has been converted About 60,000 tons over Switzerland. Or, more precisely, about 2,500 truckloads of desert dust.
Particles currently sink significantly into the deep layers of the air because they are so small. When it rains, dust on garden furniture or cars is easy to see.
Did you see desert dust too?
“High dust concentrations are as rare as they are now over several days,” reports SRF–Atmosphere. Such events are likely to occur in The autumn Spring is happening.
However, in order for dust to reach us from North Africa at all, strong winds are needed in the desert region. This causes the sand to circulate, lifting fine particles several thousand meters into the air and transporting them to central Europe.
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