Gradually milder this week; odds of a brown Christmas growing?

Our slow-motion warming trend continues this week. Milder Pacific air blows into Minnesota as the week rolls on.

National Oceanic and Atmospheric Administration upper-air map for Friday

Thawing out

High temperatures above freezing will cover most of Minnesota by the end of the week. And there are signs the milder than average air will last into next week. Right now, I don’t see any subzero cold snaps in sight for the next one to two weeks.

NOAA forecast temperatures for Minneapolis via Weather Bell

Snow Drought 

Bare ground covers a good chunk of central Minnesota these days. NASA’s MODIS 1,000-meter resolution shot shows the lack of snow cover in central Minnesota from space.

NASA

Here’s the latest snow cover map from the Minnesota Department of Natural Resources:

Minnesota DNR State Climatology Office

Brown Christmas?

Right now the major models do not support significant snowfall in the next one to two weeks. That could change with any new model run that far out.

The National Oceanic and Atmospheric Administration’s Global Forecast System model total snowfall through Dec. 2o suggests maybe a couple inches, at best, for parts of Minnesota.

NOAA GFS total snowfall output through Dec. 20 via tropical tidbits

Historically, the Twin Cities sees a white Christmas (at least 1-inch of snow cover) 71 percent of years. The odds are closer to 100-percent across northern Minnesota.

Minnesota DNR State Climatology Office

Unless the weather maps spin up a storm, this may be one of those 1 in 4 or 5 years on average with a brown Christmas for parts of central Minnesota, and maybe even parts of the Twin Cities.

Stay tuned.