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cloudstreet.jpgA picture of "cloud streets" over the east coast of the US taken from a satellite. These are all the parallel lines of cloud starting over the Atlantic and running south-east. You can have a look at the NASA page here. They have happened because cold air has blown over the warm sea but there is a warmer air above those two layers. Convection gets set up in the bottom two layers but trapped when it hits the top layer. These convective cells seem to set up in long parallel tubes. This means we get shallow cloud (at the top of the second layer) along the side of the tube where the air has risen from the seaAnd for those of you with a sharp eye - yes we have just learned how to put images in out posts ;)New episode recorded - post it soon.

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