This week’s satellite image was taken this morning over Cuba, just to show that I sometimes glance at weather outside of the United States.
What this image shows is a form of land convergence generated by opposing sea breezes. Because land heats faster than water, the land heats up and air rises, forming a surface low pressure system over the land. Air rushes in to fill this low pressure, generating a sea breeze. On a thin strip of land, like Cuba or Florida, sea breezes rush in from both sides, forming a convergence zone, marked by the cumulus clouds that are forming over the land.
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Satellite Imagery comes from: NASA MSFC Earth Sciences Office