“The computer models do take into account an average sand concentration in the air, but the difference was greater than expected,” says Dehenauw. The sand does not only make it harder for sunlight to get through. It also leads to more clouds, causing lower temperatures. Moreover, these two phenomena reinforce each other. During the night the sandstorm will pass over our country, but tomorrow there will be sun everywhere.
“I’ve never seen this in my career,” Dehenauw said on Twitter. “Future for many more scientific discussions, but very unfortunate for the people who wanted to enjoy the promised spring warmth. The weatherman proposes, nature disposes.”
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