warm snowstorms

What is dynamic cooling of the atmosphere?

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In atmospheric dynamics, a negatively tilted upper-level trough tends to be stronger and much more dynamic, particularly if there is a closed upper low Both rising air and heavy precipitation (especially snow) work to cool the atmosphere from the top down.  This is called dynamic cooling and it is extremely efficient at turning an otherwise … Read more

Weather Myths: Too Warm for the Snow to Stick?

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Before I begin this piece, I want to present a challenge.  The following chart shows the actual high and low temperatures for a full month in Atlanta, Georgia. *A condensed version of this writeup was also featured in the Douglas County Sentinel. Challenge: Can you spot the day with a historic snowstorm? During this particular … Read more