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Freezing drizzle and rain expected on Tuesday, flooding possible.

Mar 10, 2019 10:31AM ● By Editor
From the National Weather Service - March 10, 2019

A warmer system arrives Tuesday bringing mostly rain, but may start out as freezing drizzle. With the frozen ground, rain may cause street flooding.

From Ron Trenda - Minnesota Public Radio - March 10, 2019

Snow totals across Minnesota

Many observers take their snow measurements in the morning, so we’ll continue to see a flow of snowstorm totals.  I measured 6.1 inches from our weekend storm in St. Paul.  Oak Grove, in Anoka county, reported 6.8 inches of new snow. The snow total at Minneapolis-St. Paul International Airport was 4.7 inches.  St. Cloud reported 7.5 inches. Herman, which is in west-central Minnesota, came in with 15 inches of new snow. There were multiple reports of 12 inches or more of snow in western Minnesota.

You can check snow accumulations as they are posted by the National Weather Service. Hover over any data point on the National Weather Service snow map site to see the snow total and the time of observation.  Some locations have not updated since Saturday afternoon, so they do not reflect the storm totals.

Temperature trends

Sunday afternoon highs will be in the 20s across much of Minnesota, with some some spots in the east topping 30 degrees.

Monday highs will be in the 20s in most spots:

Our average high this time of year is 38 degrees in the Twin Cities metro area.

Metro area highs are projected to be in the upper 30s on Tuesday, followed by mid 40s Wednesday. We’re looking at highs in the lower 40s Thursday, then lower 30s on Friday.

Unwelcome rains

Rain is expected to arrive Tuesday afternoon, and we’ll have extended periods of rain Wednesday into Thursday. The rain could change to snow in western Minnesota early Thursday and in eastern Minnesota late Thursday.

The National Oceanic and Atmospheric Administration’s Global Forecast System model shows the potential precipitation pattern Tuesday afternoon through Thursday evening:

NOAA GFS precipitation rate (mm/hour) Tuesday afternoon Sunday through Thursday evening, via tropicaltidbits

We could see one to two inches of rain this week, which could lead to some localized flooding.

The Twin Cities office of the National Weather Service mentioned potential flooding in their forecast discussion for this week:

The combination of 1-2″ of rainfall along with dew points above
freezing and strong southerly winds during this system will likely
lead to localized street/urban flooding and small streams as well.
It would be wise to clear snow and ice from storm drains prior to
Wednesday if possible.

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