How long SHOULD it take this latest snowfall to MELT? GO AWAY! - KMSP-TV

How long SHOULD it take this latest snowfall to MELT? GO AWAY!

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Meteorologist Steve Frazier Meteorologist Steve Frazier

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If you are tired of snow and cold, then Wednesday's snowfall is not an event that has you doing the happy dance. It is spring, and no matter how many times Mother Nature tries to convince us otherwise, the white stuff just can't hang around as long as it wants. It's a mathematical formula that uses the sun and the warmth to battle any signs of winter.

Here is a great website for all you climate buffs out there http://climate.umn.edu/. It's the State of Minnesota Climate office and it keeps the records for all weather events in the state.

I've cut out a cross section from April, and if you take a look at our last April snowfall, April 3-4 to be exact, we had 6.5" of snow.

We had a high of 40° on April 4th and you see our snow depth went from 6" to 4". The next day, we had a high of 50° and loss another 4" from our snow depth. We also had clear skies and a good southwesterly wind at about 20 mph. However, at night we also went below freezing. So, if you outline a pattern, it appears that on a clear day with the strong sun angle this time of year, we melt the following amount of snow.

30° to 40° ABOUT 2" PER DAY

40° to 50° ABOUT 4" PER DAY

50° to 60° ABOUT 6 " PER DAY

Keep in mind this is an estimate on how fast the snow melt should occur in mostly sunny conditions with warming southerly winds. Other factors such as cloud cover, overnight lows, and winds blowing over existing snow, will slow the melt. Because our new snow is so clean and white, it will take a bit longer to melt at first. Once it starts melting, its not as bright and the melting process grows exponentially. This is not an exact science but its safe to say that this formula will give you a good idea of how long you can expect the white stuff to last.

Lets take Tammy's situation in Pine City.

Her van is buried under 17" of snow, so how long before this mess is gone for her? Below is the current 7 Day forecast through the next few days.

 

We have 2 days in the 40s, so that is 8". Then we have 2 days in the 60s, so that is another 12 inches. Now, there is no need for the 70° reading, as Tammy's snow is all melted in about 4 days. 

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