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Ask Todd: Rain to snow translation

11:10 PM, Sep 20, 2012   |    comments
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We're cooling down and moving into a new season, and with all the rain earlier this week, it has some people thinking "what if?"

Thompson asks: "Todd, we all know winter is on the way. If the rain from Sunday, Monday and Tuesday, heaven forbid, came a few months later, how much snow would we have had on the ground? How does inches of rain translate into inches of snow?"

Another viewer, Jeff, also asked a similar question.

When it comes to snow and rain, here's a basic rule of thumb. In most cases, one inch of rain equals 10 inches of snow, roughly. This is known as the liquid-to-snow ratio.

Such as, in the storm everyone remembers, the Blizzard of '93 dumped 15.5 inches of snow on Knoxville. Many areas had closer to two feet!

And if you lived through it you remember, here in East Tennessee, two feet is a lot of snow.

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