What a difference a degree can make - KMSP-TV

What a difference a degree can make

Posted: Updated:
Meteorologist Cody Matz Meteorologist Cody Matz

Our strong April storm is now over and more seasonable like temperatures are on their way here, but it was truly amazing how different parts of the metro experienced DRASTICALLY different conditions. As we all know by now, parts of the north and west metro topped a foot of snow with Isanti coming in with the most snow at 19". But the difference between that 19" of snow and literally zero was just 40 miles. Parts of the south and southeast metro didn't get a flake of snow, with the airport officially coming in with .3" of the white stuff. Check out the two maps below that show a color coated graphical representation of the snow that fell.

An incredibly tight contour across the area, and it all had to do with the temperature. All of a couple degrees made the difference between getting a lot of rain versus a lot of snow. Check out the metro area high temperatures from Wednesday shown on the following map from Mesowest data. This has many data points from all over the metro.

Notice that the areas that got the heaviest snow saw highs at or below freezing. Parts of the north metro that got that 3" to 8" band saw temperatures top out just above freezing in that 33°, 34°, 35° category. Then the areas that got less than 2" or even none at all, had highs even warmer ranging from 38° in Edina and Eden Prairie that ended up with about 1", to 40° in Apple Valley and 42° in Hastings that got nothing!!

But, there was plenty of moisture!! The areas that didn't get the snow, certainly got the rain. Check out the rain totals from this storm…

1.40" Farmington
1.29" Hastings
1.00" Cottage Grove
0.86" Woodbury
0.85" Inver Grove Heights
0.84" Eagan
0.71" Northfield
0.68" Cannon Falls
0.67" MSP Airport
0.65" Stillwater
0.64" Faribault
0.61" Apple Valley
0.60" New Prague
0.57" St. Paul
0.55" Prior Lake
0.51" Edina
0.36" Redwood Falls
0.45" St. Peter
0.42" Eden Prairie
0.38" Mankato
0.34" Le Seuer
0.22" Waseca
0.19" New Ulm
0.18" Sleepy Eye

Now, this time of year, it is typically a 10 to 1 ratio from snow to liquid. This means that every inch of rain would equal 10" of snow. So… if temperatures in the south metro would have been at that 32° mark, then that 1.4" in Farmington, could have been 14" of snow! Just a little perspective!!

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