Why Minnesota's snow total forecast for latest storm has dropped
MINNEAPOLIS — A storm system is set to arrive in Minnesota late Friday, likely bringing several inches of snow for the Twin Cities.
Earlier forecasts showed the potential for up to 9 inches of snow in parts of the state, including the metro. But the latest accumulation models have dialed totals down a bit.
The WCCO NEXT Weather Team says based on six different forecast models, the metro could see between 2-6.5 inches of accumulation by late Saturday — though a narrow band may see more.
Meteorologist Joseph Dames says it will be fluffy snow, with central Minnesota and western Wisconsin still the general area for the highest snow totals.
The National Weather Service predicts between 3-6 inches will fall in the metro, and it's issued a winter weather advisory for most of Minnesota, Wisconsin and the Dakotas from Saturday at midnight through 6 p.m. Parts of eastern Minnesota and western Wisconsin are also in an ice storm warning.
A NEXT Weather Alert has also been issued due to potential impacts on state roads.
So why the big change in snow total predictions?
Dames reminds us that weather models are always going to change as we near an event.
"The closer we are to that event, the more clear the forecast is. That means, there will be a contrast between weather data from three days ago, and even a few hours before the snow arrives," Dames said.
What's changed in the last 24 hours?
The amount of moisture has come down, meaning we won't have as much to work with to build some of the massive snow totals that were indicated in previous weather models.
And Dames says there are signs of dry air preventing some areas from seeing snow until later in the night.
What hasn't changed?
Dames say the general timing and location of the snow is still the same.
"It will happen late Friday night closer to midnight and will continue through Saturday morning," he said.
The system will exit in time for Super Bowl Sunday, but it will usher in a string of days with single-digit highs and subzero lows, likely leading to some cold weather advisories.
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