Monday, December 5, 2016

Several inches of snow in parts of the Northland tonight; Rain-snow mix (Less snow accumulation closer to Lake Superior) Windy, colder with lingering snow showers Tue-Thu; Weekend snow potential; Brutally cold next week

/Issued 4:50 PM CST, Monday, December 5, 2016/

Another tough snowfall forecast especially for areas near Lake Superior as it looks like the warm air is winning out which should result in only minor slushy snowfall amounts (If any) near the lake tonight.











Winter weather headlines map - More information on the various headlines at the links below.

Blizzard warning (Red area on map) http://forecast.weather.gov/wwamap/wwatxtget.php?cwa=fgf&wwa=blizzard%20warning

Winter storm warning (Pink area on map) http://forecast.weather.gov/wwamap/wwatxtget.php?cwa=dlh&wwa=winter%20storm%20warning

Winter weather advisory (Purple area on map) http://forecast.weather.gov/wwamap/wwatxtget.php?cwa=dlh&wwa=winter%20weather%20advisory











Source:  http://www.wpc.ncep.noaa.gov/















Surface map forecast valid at 7 AM CST Tuesday per 18z RAP model.  Source:  http://weather.cod.edu/

Cold air will move up from the SW on Tuesday.  Morning temperatures around 30 degrees in northeast Minnesota and northwest Wisconsin will fall through into the 20s, and perhaps into the teens.  Arctic air will be found over the northern Rockies with subzero temperatures as far east as the western Dakotas Tuesday morning.















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



















Tuesday's high temperature forecast.  Source:  http://graphical.weather.gov/



















Weather Summary for northeast Minnesota and northwest Wisconsin

Quick changes today! Was nice to finally get some sun in parts of the area including in the Twin Ports today but clouds are thickening up once again late this afternoon as a new storm system takes aim at the Northland.  Highs today were mainly in the 30s with winds turning to the east at 5 to 15 mph.

Low pressure was over eastern South Dakota at 3 PM today with a rapidly developing area of snow or mixed precipitation expanding north/east across central-eastern Minnesota and northwest Wisconsin.

Forecast Discussion for northeast Minnesota and northwest Wisconsin

.Short Term Forecast...

Tonight (December 5)

Low pressure tracks northeast out of eastern South Dakota and into northwest Minnesota by daybreak.  This storm will bring snow to most of the Northland tonight with rain or snow and possibly some sleet expected from eastern Minnesota into northwest Wisconsin, and also closer to Lake Superior.

Temperatures won't drop much tonight since will remain east of the surface low which results in a warm air advection pattern.  Temperatures will be in the 30-35 degree range most of the night but will fall into the 20s in western-southwest portions of the area by daybreak.  Winds out of the east or southeast at 10 to 20 mph will shift to the south or southwest toward daybreak.

Tuesday (December 6)

Blustery and turning colder! Low pressure is forecast to move slowly E/NE out of northwest Minnesota on Tuesday while an arctic front approaches from the W/SW.  Snow showers and flurries are likely behind this low on Tuesday with falling temperatures ranging from the lower teens to lower 20s.  Winds will be out of the south or southwest at 15 to 25 mph with higher gusts possible.

.Extended Forecast...

Wednesday and Thursday (December 7-8)

Brisk and colder with occasional snow showers.  High temperatures Wednesday and Thursday are forecast to be in the teens and 20s with similar low temperatures expected for Wednesday night.  Note:  Wind chills (Feels like temperatures) will likely range from around 10 below to 5 above zero during the middle of the week.

Note:  Keeping an eye on a potential snow maker for this weekend (10th-11th) Next week still has potential to be brutally cold around the Northland, time frame for that 13th-18th.  Subzero daytime highs possible with nighttime lows 10 below to 30 below zero.  Dangerously low wind chills also possible at times.

Forecast for Duluth and Superior

Event:  *Winter Weather Advisory for Duluth*
Timing:  Until 6 AM CST Tuesday

.Tonight...  Wet snow away from Lake Superior with total accumulation of around 2-3".  Rain and wet snow closer to Lake Superior with total snowfall accumulation of around 1" possible.  Breezy.  Areas of fog and drizzle.  Low 28 to 33.  Wind east to southeast at 10 to 20 mph.

.Tuesday...  Breezy and colder.  Snow showers and flurries possible especially in the afternoon.  High 28 to 33 early with temperatures falling to around 20 degrees.  Wind southwest at 15 to 25 mph.

Normal temperatures for Tuesday

High:  25
Low:   11

Sunrise Tuesday:  7:39 AM CST
Sunset Tuesday:   4:20 PM CST

Tim