On 21/04/11 22:39, Peter Scott wrote:

Happens from time to time. Why do you feel it's unlikely?


I am sure they are right about it. It's a long way from North Africa and
we haven't had extreme winds as far as I know. Spose it's the jet stream?


http://earthobservatory.nasa.gov/IOTD/view.php?id=50123


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djc