Tuesday, February 28, 2017

Light snow continues tonight; Cooler temperatures Wed-Fri; Warming up this weekend (Highs in the 40s)

/Issued 5:48 PM CST, Tuesday, February 28, 2017/










Source:  http://weather.cod.edu
















Source:  http://kamala.cod.edu/SPC/













Source:  http://kamala.cod.edu/SPC/













No real surprise that there is a potential for a severe thunderstorm outbreak including some tornadoes tonight in the white outlined area on the map -- The image below shows the upper level wind speeds from Tuesday morning per 12z European model.  Very strong winds over the southwest U.S. with another batch of strong winds centered over the upper Midwest -- Severe weather potential is in between the two wind maximums.  Source:  http://weather.cod.edu/
















Tonight's low temperature forecast.  Source:  https://graphical.weather.gov




















Wednesday's high temperature forecast.  Source:  https://graphical.weather.gov




















March climate normals for Duluth, Minnesota
Base period:  1981-2010

Normal temperature:  26 degrees
Precipitation:  1.49"
Snowfall:  13.2"

Normal high temperature on the 1st:  29 degrees
Normal high temperature on the 31st:  41 degrees

Normal low temperature on the 1st:  11 degrees
Normal low temperature on the 31st:  24 degrees

Warmest March on record:  39.2 degrees set in 2010
Coldest:  13.5 degrees set in 1923

Snowiest March on record:  48.2" set in 1917
Least snowiest:  Trace set in 2010

Wettest March on record:  5.12" set in 1965
Driest:  0.22" set in 1959

March averages 9 days with snowfall (At least 0.1" accumulation)

Average number of days with a high temperature of at least 50 F:  3
Average number of subzero days:  3

Astronomical data for March:

Sunrise on the 1st:  6:47 AM CST
Sunrise on the 31st:  6:49 AM CDT

Sunset on the 1st:  5:54 PM CST
Sunset on the 31st:  7:36 PM CDT

Note:  Spring forward (Daylight Saving Time) at 2 AM on Sunday, March 12th.

Today is the final day of Meteorological winter 2016-2017.  Below are a few stats from this winter at Duluth, Minnesota.  More stats in the days ahead.

*3 days this month with a high temperature in the 50s -- This is an all-time record for the month of February.  The previous record was 2 days which was set in 1981.  Note:  Records go back to 1874.

*22 days this winter with a subzero low temperature; Last winter had 19 subzero days.  The December through February average is 34.  Two winters in a row that finished well below average.

*50.2" of snow this winter (May add a bit more to that total before midnight) Snowfall this winter is slightly above the average of 49.5".

*The winter of 2016-2017 will end up colder than last winter but will still be well above average!  Possibly in the top 10 list for warmest winters on record.

Preliminary snowfall reports from February 28, 2017
Source:  http://www.weather.gov/dlh/

Beroun, MN 5 NE:  3.2"
Cornucopia, WI:  2.7"
Cloquet, MN:  2.5"
Holyoke, MN 2 E:  2.0"
Duluth, MN (Official NWS total)  1.9" thru 2:15 PM today
Superior, WI:  1.3"
Beaver Bay, MN:  1.0"

Weather Synopsis for northeast Minnesota and northwest Wisconsin

It's been an interesting day with different types of weather over the Northland today.  Will start off in northern Minnesota, here it's been a mostly sunny and dry afternoon with temperatures in the upper 20s to mid 30s.  Farther south, it's been a totally different type of day as a band of light snow with pockets of moderate to heavy snow affecting portions of east central Minnesota and far northwest Wisconsin -- Snow totals underneath this band have generally been in the 1 to around 4 inch range through 4 PM today.  Highs in eastern Minnesota and northwest Wisconsin were mainly in the 30s today, and there has been some rain and sleet mixed in with the snow at times in far southern portions of the area.

Light snow is forecast to continue most of tonight in east central Minnesota and northwest Wisconsin while it remains dry across northern Minnesota.  Quite a range in overnight lows from around 0 and in the single digits in northern Minnesota to the 20s in eastern Minnesota and northwest Wisconsin.

Note:  Additional snowfall of about 1 to 3 inches is possible tonight in portions of eastern Minnesota and northwest Wisconsin.  Roads which may have been wet most of the day could become snow, slush and ice covered tonight as temperatures drop.

Partly to mostly cloudy skies on the way for Wednesday with highs in the 20s to lower 30s.  There is a chance for some light snow early tomorrow morning in parts of northwest Wisconsin with another chance for snow showers and flurries spreading southeast across the Northland late Wednesday afternoon or Wednesday night.  Snowfall should remain less than an inch.

Forecast for Duluth and Superior

.Tonight...  Breezy.  Light snow.  Additional accumulation around one inch.  Total event accumulation of 2 to 3 inches.  Low 16 to 21.  Wind northeast at 10 to 20 mph.

.Wednesday...  Partly to mostly cloudy.  Flurries possible.  High 26 to 31.  Wind north to northeast at 10 to 20 mph.

Normal temperatures for Wednesday

High:  29
Low:  11

Sunrise Wednesday:  6:48 AM CST
Sunset Wednesday:   5:55 PM CST

Tim