Saturday, February 24, 2018

Winter Storm to impact the Northland tonight with snow (heavy at times) gusty winds near Lake Superior. Updated snowfall map in this post

/Issued 5:12 PM CST, Saturday, February 24, 2018/


Goes-16 True Color satellite imagery from late Saturday afternoon, February 24, 2018.


21z HRRR model simulated radar forecast for tonight

Blue colors=Snow

Here's my updated snowfall map for tonight's storm. 


Water vapor satellite loop of the approaching winter storm that will affect northeast Minnesota and northwest Wisconsin tonight.  This is a very strong storm system.

Link to Road Conditions



Winter Storm to impact the Northland tonight

•Low pressure over central Missouri late this afternoon will lift rapidly to the N/NE reaching east central Lake Superior by daybreak.  As the low lifts northeast it will deepen from ~1004mb to ~986mb.

•Snow will continue to lift north out of central/eastern Minnesota and west central Wisconsin this evening.

•Snow will be heavy at times tonight with snowfall rates of 1 to possibly 2 inches per hour occurring in parts of northeast Minnesota and northwest Wisconsin tonight.

•East to northeast winds will be gusty especially near Lake Superior where wind gusts of 20 to 35 mph are possible most of the night.

•Areas of blowing and drifting snow are expected tonight, especially near Lake Superior.

•There could be brief whiteout conditions in parts of the area tonight due to the falling and blowing snow.

•Snow will taper off from southwest to northeast Sunday morning with slowly improving conditions expected through the day.


Friday, February 23, 2018

Snow returns Saturday evening, ends Sunday morning - Winter Storm Warning/Advisory in effect for the entire Northland. Snowfall reports from Feb 22-23 in this post

/Issued 5:12 PM CST, Friday, February 23, 2018/

Here's my snowfall accumulation map for Saturday night's storm.  More info. below.

Winter weather headlines map for Saturday evening through Sunday morning.


Forecast maps for Saturday through Sunday morning.


18z GFS model 500mb forecast from 6 AM Saturday to 6 AM Sunday.  This will be a very dynamic storm as it moves out of the Rockies/southern Plains on Saturday, as the trough lifts into the upper Midwest and upper Great Lakes Saturday night its expected to take on a bit of a negative tilt.


12z WRF-ARW model -- Future radar from Noon Saturday to 6 AM Sunday.  Note:  Snow shows up as blue colors on the map below.

Snow should begin to fall in southern sections of the Northland between 4-6 PM Saturday.  The snow will spread farther north after 6 PM Saturday.



Snowfall Reports for February 22-23, 2018

2 N Barrows, MN:  8.0 inches
East Gull Lake, MN:  7.9 inches
2 W Hayward, WI:  7.8 inches
3 NE Brainerd, MN:  7.6 inches
3 W Clam Lake, WI:  7.5 inches
Libby, MN:  7.4 inches
7 W Phillips, WI:  7.0 inches
Brainerd, MN:  7.0 inches
Hayward, WI:  7.0 inches
2 ENE Hibbing, MN:  7.0 inches
2 NNE Lester Park, MN:  6.5 inches
2 NW Duluth, MN:  6.2 inches
7 N McGregor, MN:  6.1 inches
Gordon, WI:  6.0 inches
9 N Bayfield, WI:  6.0 inches
Twig, MN:  6.0 inches
Gile, WI:  6.0 inches
Drummond, WI:  6.0 inches
1 N Solon Springs, WI:  6.0 inches
Cotton, MN:  5.8 inches
Ashland, WI:  5.7 inches
5 NW Knife River, MN:  5.5 inches
4 E Iron River, WI:  5.5 inches
Keewatin, MN:  5.3 inches
4 W Grand Marais, MN:  5.2 inches
Phillips, WI:  5.1 inches
4 S Bruno, MN:  5.0 inches
Gary New Duluth, MN:  5.0 inches
2 SW Lester Park, MN:  5.0 inches
7 SW Grand Rapids, MN:  5.0 inches
1 N Cloquet, MN:  5.0 inches
4 N Floodwood, MN:  5.0 inches
5 N Virginia, MN:  5.0 inches
1.5 SW Hinckley, MN:  5.0 inches
Duluth Airport:  4.9 inches
Holyoke, MN:  4.8 inches
Island Lake, MN:  4.8 inches
Herbster, WI:  4.8 inches
Kelly Lake, MN:  4.8 inches
Oulu, WI:  4.7 inches
Kettle River, MN:  4.5 inches
1 NE West Duluth, MN:  4.5 inches
1 SW Washburn, WI:  4.5 inches
2 WSW Lutsen, MN:  4.4 inches
3 W Two Harbors, MN:  4.4 inches
Grantsburg, WI:  4.3 inches
Ely, MN:  4.2 inches
Embarrass, MN:  4.0 inches
1 NNE Cloquet, MN:  4.0 inches
Cook, MN:  4.0 inches
Cass Lake, MN:  3.5 inches
International Falls, MN:  1.0 inch

Note:  Duluth, Minnesota had its 2nd snowiest February 23 on record and their 4th wettest February 23 on record today.  Snowfall total was 3.4 inches (Snowiest, 3.9 inches on 2/23/1893)  Precipitation total 0.28 inches (Wettest 0.52 inches on 2/23/1922)

Storm Timeline for Duluth and Superior

•Saturday:  Increasing cloudiness with temperatures in the mid 20s to around 30 degrees.  Wind becoming east to northeast at 5 to 15 mph.

•Saturday evening:  East to northeast wind increases to 15 to 25 mph with gusts over 30 mph possible.  Strongest wind gusts roughly 5 PM Saturday to 3 AM Sunday. 

•Snow developing Saturday evening, between 6-9 PM.  Heavy snow is possible with snowfall rates around an inch per hour Saturday night.

•Brief whiteout conditions are possible at the height of the storm Saturday night.

•Snow ends Sunday morning between 6-8 AM.

•Snowfall storm totals of 4 to 6 inches are expected by Sunday morning.

...Model trends for the Saturday night storm...

-There is some uncertainty on the track of this storm with most computer models showing a slightly farther east track to the low, however, the NAM is more to the west, and that hasn't changed much over the past few model runs.  If the other computer models trend toward the NAM, then I would have to nudge the 6-9 inch snow zone slightly further west to include the North Shore and Duluth areas.

-Regardless of the storm's track, it looks like a quick hitter, so I'm not really seeing anyone getting more than 9 inches of snow out of this storm, of course there always seems to be a surprise or two with these snow events so will just have to wait and see how this one goes.  Even though this storm will move through quickly, it will still pack a punch with heavy snowfall rates of one inch or more per hour possible for several hours Saturday night especially for northwest Wisconsin.

-Snow is expected to overspread the Northland from south to north -- Starting in southern areas late Saturday afternoon, then progressing farther north/east Saturday evening (Quite similar to Thursday night's snow event)

-Snow is forecast to end from SW-NE Sunday morning.


Thursday, February 22, 2018

Winter Storm Watch for parts of the Northland Saturday night-Sunday morning. More snow and gusty winds possible Sat PM-Sun AM

/Issued 5:45 PM CST, Thursday, February 22, 2018/


15z SREF model from 2.22.2018

15z SREF model from 2.22.2018

Winter weather headlines map for Saturday night through Sunday morning.

Here's my snowfall potential map for Saturday night through Sunday morning.  I'll fine tune this map during the next few days.

Storm Potential for Saturday night through Sunday morning

*Winter Storm Watch for Duluth and Superior Saturday evening through Sunday morning*

Low pressure is forecast to move out into the south-central Plains on Saturday, then its forecast to lift quite rapidly toward the northeast, reaching the Great Lakes area by Sunday morning. 

As the surface low lifts northeast it could deepen quite a bit from around 1007mb Saturday morning to around 984mb Sunday morning.

The upper level trough moving east out of the Rockies Saturday could take on a bit of a negative tilt as it reaches the upper Midwest/Great Lakes area Saturday night.

There is some uncertainty regarding the track and intensity of this system, but if this storm does track far enough to the north/west, then it will bring accumulating snow (Possibly heavy) to parts of the Northland from Saturday evening into Sunday morning.

Stay tuned for more updates


Snow on the way tonight - Winter Weather Advisory in effect, Winter Storm Warning North Shore. Patchy freezing drizzle Fri AM

/Issued 4:22 PM CST, Thursday, February 22, 2018/

Here's my snowfall map for tonight's event

-Most of northeast Minnesota and all of northwest Wisconsin should end up in the 3 to 6 inch range although I have some concerns with how long the heavier snow will last, if it doesn't last too long, then I could see snow totals on the low end of that range, closer to 3 or 4 inches. 

-Lesser amounts of snow for the northwest section, generally 2 to 3 inches with about 1 or 2 inches near the International Falls area.

-Some potential for lake enhanced snow along the North Shore tonight with easterly winds, so a few spots could get up to 7 inches of snow.

Winter Weather Headlines map for tonight.


Radar loop ending at 4:15 PM CST, Thursday, February 22, 2018.

Snow (Blue colors on map) lifting N/NE out of southern Minnesota.  Snow should arrive in the Twin Ports between 6-9 PM this evening.

Evolution of tonight's snow system.



18z NAM 3km Simulated Radar forecast beginning at 5 PM this evening, ending at 12 PM Friday. 

Pink=Mixed Precipitation

2017-2018 Snowfall Stats for Duluth, Minnesota

Winter Total so far (Dec 1 - Feb 21)
Meteorological winter is the period from Dec 1 through Feb 28

34.6 inches (-11.3 inches below normal)

Annual Total so far (Through Feb 21)

56.2 inches (-5.8 inches below normal)

Note:  Average winter snowfall at Duluth, Minnesota is 49.5 inches, and the annual average snowfall is 86.1 inches.  Two decent chances for snow tonight and again Saturday night so will be adding to our winter and annual totals through the weekend.

Weather Tidbits

38 days with a below zero low temperature so far this winter at Duluth, Minnesota.  Average is 34 days.  Last winter had 22 days with a below zero low temperature.  Looking at the temperature trend through the rest of this winter (Through February 28) I don't think will drop below zero anymore for the rest of this month, so our winter total will finish slightly above the average, and will have had 16 more days with a below zero low temperature this winter compared to last winter.

Weather Synopsis

Most of the Northland had subzero temperatures once again this morning but sunshine to start the day combined with weak southerly flow on the backside of high pressure now off to our east helped to warm temperatures into the 20s with a few locations reaching 30 degrees this afternoon.  Clouds have been increasing from south-north in our area this afternoon ahead of our next snow maker which arrives tonight.

The upper levels remain virtually unchanged from previous days -- Still under a southwest flow aloft over the upper Midwest with a ridge across the southeast U.S. and an upper level trough covering the northwest U.S./northern Rockies. 

There isn't much of a surface reflection for tonight's system with generally a broad and rather weak surface low across the Plains, this low will reach west central Wisconsin by daybreak Friday.  Although the surface low is sorta weak, there will be a decent amount of lift as the low approaches later tonight, and moisture will also increase ahead of the low with southerly winds drawing higher PWATS of 0.40" to 0.50" into the Northland.

Snow will spread generally from south to north across the area through Midnight with snow after Midnight through 7-8 AM Friday, snow is then expected to taper off from SW-NE after 8 AM Friday.  There could also be some freezing drizzle Friday morning especially in northwest Wisconsin and far eastern Minnesota.

Impacts from tonight's winter weather event for northeast Minn and northwest WI

•Reduced visibilities, possibly down to a quarter or half mile at times under the most intense snow bands later in the night.

•Expect a slow Friday morning commute with snow covered and slippery road conditions.

•Not much wind with this event, although easterly winds near Lake Superior could increase to around 20 mph later tonight, so some patchy blowing snow could develop overnight near Lake Superior.

•A risk for some freezing drizzle especially Friday morning for northwest Wisconsin and eastern Minnesota with a light glaze of ice possible on top of the snow.

Temperatures won't fall much tonight with lows generally in the teens and 20s, highs Friday will be in the 20s to lower 30s, yes some of us should climb to near or even a degree or two above freezing Friday afternoon!

Link to Road Conditions



Forecast for Duluth and Superior

Event:  *Winter Weather Advisory*
Timing:  9 PM this evening to Noon CST Friday

.Tonight...  Snow developing between 6-9 PM.  Snow overnight.  Low 18 to 23.  Wind east at 10 to 15 mph with gusts to 20 mph.  Patchy blowing snow possible late.

.Friday...  Snow tapering off between 8-10 AM.  Total snowfall accumulation of 3 to 6 inches.  Patchy freezing drizzle possible during the morning.  Mostly cloudy with some afternoon sun.  High 30 to 34.  Wind becoming northwest at 10 to 20 mph.

.Saturday...  Partly to mostly cloudy.  High 22 to 27.  Wind becoming east at 5 to 15 mph.

Normal temperatures for Friday

High:  27
Low:     9

Sunrise Friday:  6:59 AM CST
Sunset Friday:   5:46 PM CST


Wednesday, February 21, 2018

Subzero temps for Thu AM; Snow arrives Thu late afternoon/evening - Winter Storm Watch/Advisory in effect for parts of the Northland

/Issued 5:23 PM CST, Wednesday, February 21, 2018/

Here's my snowfall map for Thursday night.

This will be a warmer system compared to our last one with snowfall ratios likely to be in the 10:1 to around 15:1 range, also with the milder temperatures, lake enhanced snowfall potential is a little lower, but winds will be out of the east Thursday night so this could still lead to some lake enhanced snow along the North Shore which is why I have that area outlined in 6 inch plus snowfall potential.

Note:  Our next winter weather event arrives Thursday afternoon or evening and continues through Friday morning.  Winter weather headlines map below.

For Duluth and Superior:  *Winter Storm Watch* from Thursday evening through Friday afternoon.


18z 3km NAM Simulated Precipitation Type Radar starting Thursday afternoon (Noon) ending Friday afternoon (Noon)

Note:  Timing of when the snow begins may change a bit by tomorrow morning, but right now it looks like the snow will arrive in the Twin Ports between 5-8 PM Thursday with snow all of Thursday night, looks like the snow will come to an end Friday morning, between 8-10 AM.


18z GFS model -- 500mb forecast valid for late Saturday night/early Sunday morning.

Have had very few negative tilted troughs impact the upper Midwest this winter, but this could change this weekend, will just have to wait and see how much phasing can occur.  Potential is there for a rather deep surface low to track northeast out of the central Plains this weekend with a sub 990mb low possible by Sunday over the central/eastern Great Lakes.


True-Color satellite image from February 21, 2018.


12z Euro Ensemble model -- 500mb height anomaly analysis from Wednesday morning, February 21, 2018.


RTMA model

Incredible temperature contrast continues today, check out Texas! 80s to near 90 degrees in south Texas, 20s with wintry precipitation over north Texas today!  Widespread 70s to near 80 degree temperatures over the mid-Atlantic and northeast U.S. today.


Weather Synopsis

A nice break from the snowy stretch we've been in the past few days.  Lots of sun across our area today but it was a little chilly with highs ranging from around 20 to the mid 20s.  Surface map late this afternoon had high pressure of 1038mb over Iowa with a pattern consisting of a western trough and a massive east coast ridge.  Powerful upper level winds >150 knots covered the upper Midwest, upper Great Lakes and eastern Canada today between summer like warmth out east and arctic air to the north/west.

It'll be another cold night tonight with high pressure remaining over the upper Midwest.  Clear to partly cloudy skies are expected with overnight lows similar to this morning's lows with temperatures in the single digits, teens and 20s below zero over most of the Northland.

Clouds will increase during the day Thursday as our next snow maker approaches from the southwest.  Southerly flow on the backside of a departing high will transport moisture northward into the upper Midwest while a surface low and lift approaches from the southwest. 

Will see snow spread into southern sections of the Northland mid to late Thursday afternoon with snow lifting farther north/east for Thursday night.  Bursts of moderate to heavy snowfall with hourly rates approaching an inch are possible over parts of northeast Minnesota and northwest Wisconsin Thursday night/early Friday morning.  In addition to the snow there could be some freezing drizzle Thursday night-Friday morning especially in parts of northwest Wisconsin.

Note:  It's still a little ways out, and the storm track and strength of this weekend's storm could change but computer models have been trending toward a stronger low for this weekend, and if this system comes far enough north like what most computer models show it doing today, then much of northeast Minnesota and northwest Wisconsin can expect another round of snow Saturday afternoon through Sunday morning with snowfall potential of more than 4 inches.

Forecast for Duluth and Superior

Event:  *Winter Storm Watch*
Timing:  Thursday evening through Friday afternoon

.Tonight...  Clear to partly cloudy.  Low 0 to 5 below.  Wind southwest at 5 to 15 mph.

.Thursday...  Increasing cloudiness.  High 23 to 26.  Wind south to southeast at 10 to 15 mph.

.Thursday night...  Snow developing between 5-8 PM with snow overnight.  Low 20 to 23.  Wind east at 10 to 20 mph.

.Friday...  Snow ending during the morning.  Total snowfall accumulations of 3 to 6 inches.  Mostly cloudy.  High 30 to 33.  Wind northwest at 10 to 20 mph.

Normal temperatures for Thursday

High:  26
Low:     9

Sunrise Thursday:  7:01 AM CST
Sunset Thursday:   5:44 PM CST


Tuesday, February 20, 2018

Recap of the February 18-20 Snow Event. Sunshine Wednesday; Snow returns Thursday night

/Issued 5:01 PM CST, Tuesday, February 20, 2018/




12z GEFS model from February 20, 2018.  That's quite a bit of precipitation that could fall over the upper Midwest during the next 2 weeks or so, and those are liquid precipitation amounts, so a lot of this could fall as snow after looking at projected temperatures through early March, and if that is the case, then some parts of the upper Midwest could be looking at over a foot of snow by March 8.


18z RGEM Temperature analysis from Tuesday afternoon, February 20, 2018.

3-Day Snowfall Totals from around the Northland

Timing:  Sunday through Tuesday, February 18-20, 2018

2 ENE Holyoke, MN:  14.2 inches
1 SW Ely, MN:  13.5 inches
2 NW Duluth, MN:  12.6 inches
6 N Knife River, MN:  12.0 inches
Embarrass, MN:  12.0 inches
3 N Amnicon Falls State Park, WI:  11.7 inches
2 NW Gary New Duluth, MN:  10.0 inches
Duluth Airport:  9.9 inches
3 N Mahtowa, MN:  9.8 inches
2 NE Duluth, MN:  9.7 inches
Cook, MN:  9.5 inches

*February 18-20 Snow Event Recap*

In a winter that has had very little snow events in most of the Northland, the February 18-20 event was a nice one! Snow depths over most of northeast Minnesota and northwest Wisconsin are at their highest we've seen so far this winter with many locations now at a foot to two feet or more of snow on the ground.

Sunday's snow:  This was handled differently by the various computer models, some had it further south from where it actually occurred, but a few of them nailed the area that was hit quite nicely.

Surprises:  The heavy snow band that setup Monday over parts of far eastern Minnesota and far northwest Wisconsin, computer models showed an area of snow developing over that area, but snow totals overachieved by quite a bit.  Also the amount of freezing drizzle that occurred early Tuesday morning in the Twin Ports area, wasn't expecting much if any icing here in Duluth.

Lake Effect:  I figured there was a pretty good chance that that there would be some lake effect/enhanced snow near Lake Superior with the NE flow over the lake on Monday, and a nice band of heavy lake effect snow did develop Monday evening, but with the wind out of the N-NE, this snow band targeted the far south portion of the city of Duluth, including the Fond du Lac area, east into Superior.  Winds really never shifted to the E-NE which would've shifted that heavier lake snow band farther north into Duluth Monday night.

Note:  This was going to be a rather long duration event with multiple waves of snow impacting northeast Minnesota and northwest Wisconsin from Sunday through Tuesday.  The official snowfall total at the Duluth Airport was nearly 10 inches (9.9 inches)  My 3-day snowfall forecast was for 5-8 inches of snow in the Duluth area.  My snowfall forecast ended up too low for a good portion of northeast Minnesota and northwest Wisconsin.

Weather Synopsis

An impressive temperature contrast remained in place across the U.S. today with late afternoon temperatures ranging from 5 above in northwest North Dakota to 46F at Las Vegas, NV to the mid 20s in central Oklahoma to the 70s and 80s over the southern U.S. with some locations in Florida approaching 90 degrees!  60s as far north as Chicago today, near 50F in Milwaukee.

Looking at the upper levels, southwest flow aloft continues across the upper Midwest with an upper level trough over the western High Plains while a massive upper level ridge (594 meters, incredible for February) dominated the southeast U.S.  Winds aloft are already strong and will get even stronger tonight and Wednesday with winds at 250mb (~20,000 feet) at around 160 knots late this afternoon, increasing to >200 knots on Wednesday with the corridor of powerful jet stream winds extending from the upper Great Lakes to eastern Canada.

A period of quieter weather on the way for the Northland as high pressure builds southeast out of the northern Plains.  Partly to mostly cloudy skies tonight should give way to mostly sunny skies for Wednesday.  Colder tonight with lows ranging from around 10 below to the single digits above zero.  Highs Wednesday will be in the low to mid 20s, near to slightly below normal for late February.

Clouds increase Thursday which will lead to another round of accumulating snow for northeast Minnesota and northwest Wisconsin Thursday night into Friday morning.  The Friday morning commute could be a slick one!

Forecast for Duluth and Superior

.Tonight...  Partly to mostly cloudy.  Low 0 to 5 below.  Wind west to northwest at 10 to 20 mph.

.Wednesday...  Mostly sunny.  High 20 to 25.  Wind southwest at 10 to 15 mph.

.Thursday...  Partly to mostly cloudy.  High 20 to 25.  Wind south to southeast at 5 to 15 mph.

Normal temperatures for Wednesday

High:  26
Low:     8

Sunrise Wednesday:  7:03 AM CST
Sunset Wednesday:   5:43 PM CST


Monday, February 19, 2018

Snow and blowing snow continues through Tuesday morning. Gusty NE wind near Lake Superior. More snow possible later this week

/Issued 5:01 PM CST, Monday, February 19, 2018/


12z RGEM model.  One thing that is helping to produce our snow is this large temperature gradient that is in place.  Here's the temperature forecast for Tuesday morning.

Note:  Winter Weather Advisory remains in effect through Noon Tuesday for all of northeast Minnesota and northwest Wisconsin.  Main precipitation type in northeast Minnesota will be snow, but in parts of northwest Wisconsin there could be a mix of snow, freezing rain, freezing drizzle or sleet tonight and Tuesday morning with a light glaze of ice accumulation possible especially around the Hayward Lakes area, possibly as far north as Ashland.


Radar loop through 4:45 PM CST, Monday, February 19, 2018.

Snow continues to lift north/northeast across northeast Minnesota and northwest Wisconsin late this afternoon.  More snow should develop over west central Minnesota this evening, and that snow will impact the Northland overnight through Tuesday morning.

Note:  Additional snowfall potential for tonight and Tuesday.



18z NAM 3km model -- Simulated radar forecast through Tuesday afternoon.

Blue:  Snow
Pink/Purple:  Mixed precipitation types, freezing rain and sleet

Snow continues tonight and Tuesday morning in the Twin Ports, ending Tuesday afternoon.



Final Snowfall Storm Totals from Sunday, February 18, 2018

Hovland, MN:  15.0 inches
2 WSW Lutsen, MN:  14.3 inches
4 NE Britt, MN:  13.0 inches
Lutsen, MN:  13.0 inches
4 NNE Marcell, MN:  11.5 inches
6 NE Makinen, MN:  11.0 inches
Cass Lake, MN:  10.0 inches
Wolf Ridge, MN:  10.0 inches
4 W Grand Marais, MN:  9.0 inches
Chisholm, MN:  9.0 inches
1 SW Ely, MN:  9.0 inches
Embarass, MN:  9.0 inches
Cook, MN:  7.0 inches
Cotton, MN:  7.0 inches
2 SW Two Harbors, MN:  5.9 inches
6 SSW Grand Rapids, MN:  5.2 inches
Ashland, WI:  4.9 inches
2 NW Duluth, MN:  4.6 inches
1 WSW Maple, WI:  4.5 inches
Hawthorne, WI:  4.0 inches
9 N Bayfield, WI:  3.8 inches
Duluth Airport:  3.6 inches
Washburn, WI:  3.0 inches
1 SE Moose Lake, MN:  2.8 inches
Wrenshall, MN:  2.7 inches
Gordon, WI:  2.4 inches
2 SW Lester Park, MN:  2.3 inches
International Falls, MN:  1.6 inches

Snowfall reports from Monday, February 19, 2018

Note:  Totals listed below are through Monday afternoon.

3 SSW Cornucopia, WI:  8.0 inches
Benoit, WI:  8.0 inches
Ashland, WI:  7.1 inches
3 N Amnicon Falls State Park, WI:  5.3 inches
Kerrick, MN:  5.0 inches
Oulu, WI:  4.5 inches
2 N Solon Springs, WI:  4.0 inches
2 SW Moose Lake, MN:  4.0 inches
2 SW Hinckley, MN:  4.0 inches
3 N Mahtowa, MN:  3.7 inches
Kettle River, MN:  2.3 inches
Springbrook, WI:  2.0 inches
Duluth Airport:  1.8 inches (Total through 4 PM today)

Weather Tidbits

•3.6 inches of snow at the Duluth Airport on Sunday, February 18 -- This is the heaviest calendar day snowfall so far this winter.  Previous heaviest was 3.2 inches on January 11.

•3rd wettest February 18 on record at Duluth, Minnesota with a precipitation total on Sunday of 0.31 inches.  Wettest February 18 on record was in 1909 with 0.40 inches of precipitation.

•2nd snowiest February 18 on record at Duluth, Minnesota with a snowfall total of 3.6 inches on Sunday.  Snowiest February 18 on record was in 1909 with 4.2 inches of snow.

Link to Road Conditions



Weather Synopsis

Pattern hasn't changed at all today with a trough over the Rockies and a ridge over the southeast U.S. The upper Midwest remains in a moist SW flow aloft with waves of energy ejecting northeast out of the Rockies trough.  A strong baroclinic zone remained in place today with late afternoon 850mb temperatures ranging from -20C in western North Dakota to +12C in central Missouri -- Surface temperatures range from 5 above in western North Dakota to 65 degrees in central Missouri at 3 PM today.

An intense area of frontogenesis helped to produce an area of snow today which impacted parts of northwest Wisconsin back toward Duluth and a small part of far eastern Minnesota with snowfall amounts of 3 to around 9 inches reported under this band today with the highest totals impacting portions of northwest Wisconsin.

Snow will persist over the Northland tonight as another wave ejects northeast out of the Plains which will enhance the lift over our area, this system will move quickly through our area though so the snow should taper off from southwest-northeast during the day Tuesday.

In addition to the snow, there could be some sleet, freezing rain or freezing drizzle tonight mostly over portions of northwest Wisconsin.

Note:  Will get a break from this wintry weather Tuesday night through Thursday morning with quite a bit of sunshine expected on Wednesday.

Lows tonight will range from around zero in far northern Minnesota to the teens in eastern Minnesota and northwest Wisconsin.  Highs Tuesday will be in the single digits and teens.  Portions of the Northland could go subzero Wednesday morning, with highs Wednesday in the upper teens to middle 20s.

Snow could return to the Northland later this week during the Thursday evening-Friday time frame.

Forecast for Duluth and Superior

Event:  *Winter Weather Advisory*
Timing:  Until Noon CST Tuesday

.Tonight...  Windy with snow and blowing snow.  Low 11 to 16.  Wind east to northeast at 15 to 25 mph with gusts to 35 mph possible near Lake Superior.

.Tuesday...  Snow during the morning, snow ending during the afternoon.  Total snowfall accumulations from tonight through Tuesday of 3 to 6 inches.  High 16 to 19.  Wind northeast at 10 to 20 mph becoming north to northwest during the afternoon.

.Wednesday...  Mostly sunny.  High 20 to 25.  Wind southwest at 10 to 15 mph.

Normal temperatures for Tuesday

High:  26
Low:     8

Sunrise Tuesday:  7:04 AM CST
Sunset Tuesday:   5:41 PM CST