NASA’s Terra satellite using it’s Moderate Resolution Imaging Spectroradiometer (MODIS) and captured images of ‘cloud streets’ formed over parts of Pennsylvania and New York. With the arrival of cloud streets, the temperature dipped to record lows in some places.
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Cloud streets occur when heated air columns rise and rise until they reach a warmer layer that acts as a lid. The temperature inversion then causes the rising columns to form parallel cylinders of rotating air. Post the phenomenon “on the upward side of the cylinders (rising air), water vapor condenses and forms clouds. And along the downward side (descending air), skies remain clear,” NASA wrote in a blog.
