Wednesday, February 18, 2015

February 18, 2015 Weather Report - For Duluth: Coldest February 18th since 1941 (Today's high temp -5 degrees) Bitter cold continues into Thursday; Friday snow update

/Issued 2:55 PM CST, Wednesday, February 18, 2015/

Tips for staying safe in the extreme cold.  Source, NWS Duluth, Minnesota:

Another wind chill advisory for the entire Northland through Noon Thursday - light blue area on the map.  Source, NWS.  More information at this link:

Low temperature report for This Morning, February 18, 2015
Source:  National Weather Service Duluth, Minnesota

Duluth, MN:  -17F
International Falls, MN:  -21F
Brainerd, MN:  -16F
Hibbing, MN:  -19F
Hayward, WI:  -12F
Two Harbors, MN:  -15F
Silver Bay, MN:  -15F
Ely, MN:  -20F
Orr, MN:  -24F
Cook, MN:  -24F
Crane Lake, MN:  -33F
Bigfork, MN:  -20F
Grand Rapids, MN:  -18F
Longville, MN:  -18F
Pine River, MN:  -17F
Moose Lake, MN:  -15F
Cloquet, MN:  -17F
McGregor, MN:  -15F
Walker, MN:  -19F
Superior, WI:  -13F
Solon Springs, WI:  -13F
Siren, WI:  -11F
Phillips, WI:  -11F
3 E of Wright, MN:  -19F
Cotton, MN:  -26F
Cass Lake, MN:  -21F
Northome, MN:  -22F
Togo, MN:  -24F
25 E of Ely, MN:  -26F
Brimson, MN:  -23F
Duluth, MN (NWS)  -18F
Embarrass, MN:  -24F
Floodwood, MN:  -22F
4 E of Island Lake, MN:  -20F
Kabetogama, MN:  -26F
3 E of Orr, MN:  -26F
2 S of Tower, MN:  -25F
Butternut, WI:  -14F
4 W of Clam Lake, WI:  -14F
Gordon, WI:  -15F
Winter, WI:  -14F

Lowest wind chill temperatures This Morning, February 18, 2015
Source:  National Weather Service Duluth, Minnesota

Grand Marais, MN (Airport)  -49F
Grand Rapids, MN:  -44F
International Falls, MN:  -40F
Cloquet, MN:  -41F
Orr, MN:  -41F
Ely, MN:  -41F
Walker, MN:  -41F
1 NNE of Hermantown, MN:  -40F
Duluth, MN (Airport)  -39F
Bruno, MN:  -38F
Northome, MN:  -38F
2 SW of Proctor, MN:  -36F
Siren, WI:  -33F
Superior, WI:  -33F
Hinckley, MN:  -32F
Glidden, WI:  -30F
Sky Harbor Airport, MN:  -30F
Phillips, WI:  -30F
Ashland, WI:  -30F

Weather Tidbits:

*Low temperature of -17 at the Duluth Airport This Morning, February 18, 2015 is the coldest low temperature since January 5 (-18 degrees)

*This Morning's low is also the 2nd coldest minimum temperature so far this winter at the Duluth Airport.  -17 degrees Today February 18; Coldest is -18 degrees on January 5.

*Looks like we tied with 1941 for coldest February 18th on record at the Duluth Airport.  The unofficial high temperature for Today is -5 degrees, if this holds then it will tie with 1941 for lowest maximum temperature ever recorded on the 18th of February.

Weather Summary for February 18, 2015
Location:  northeast Minnesota and northwest Wisconsin

An impressive shot of arctic air across the Northland Today with high pressure of 1030mb covering the northern Plains This Afternoon.  Skies were sunny to partly cloudy with highs only in the single digits below zero to around zero degrees.  Winds were out of the northwest at 10 to 15 mph with higher gusts.  Afternoon wind chill temperatures were running in the teens and 20s below zero.

Forecast Discussion for northeast Minnesota and northwest Wisconsin

Short Term Forecast - Confidence:  High.

Tonight (February 18)

-28 to -32C 850mb temperatures covered the Northland late This Afternoon - very impressive! 500mb heights were in the 504-510 range, also very impressive -- basically all this points to an arctic airmass which is exactly what is occurring.  Mostly clear skies will be found over the area Tonight with bitterly cold temperatures continuing as lows fall into the teens, 20s, and 30s below zero.  Winds will be out of the northwest at 5 to 15 mph.

Thursday and Thursday Night (February 19)

Arctic high pressure will exit to the east/southeast during this period as low pressure approaches from the northwest during the Overnight hours.  Sunny to partly cloudy skies are forecast Tomorrow with highs in the single digits below to single digits above zero.  Lows Thursday Night will range from the single digits above to teens below zero.  We should see clouds increase across the Northland Thursday Night with some light snow possibly breaking out in western parts of the area Overnight.  Winds on Thursday will be out of the southwest or northwest at 5 to 15 mph.  Winds Thursday Night will be out of the south at 5 to 15 mph.

Extended Forecast - Confidence:  High.

Friday through Sunday (February 20-22)

A light snowfall event is still expected on Friday as an area of low pressure moves east-southeast through the Upper Midwest -- About 1" to possibly 2" of snow is possible on Friday.  Generally dry weather is expected for Saturday and Sunday.

High temperatures on Friday will range from the single digits in far northeast Minnesota with teens to around 20 degrees expected elsewhere, lows Friday Night will range from the single digits below to teens above zero.  Highs on Saturday are forecast to be in the teens to lower 20s with lows Saturday Night in the single digits, teens, and 20s below.  Highs on Sunday will be in the single digits below to single digits above zero.

Long Range Forecast - Confidence:  High.

(February 23-28)

Below average temperatures are expected to continue as we close out the month of February.  The coldest period looks to be from the 23rd-25th.  A light snowfall event is possible on the 23rd otherwise it looks fairly dry during the long range.


Timing:  Until Noon CST Thursday.

.Tonight...  Bitterly cold with dangerous wind chills.  Mostly clear.  Low 15 below to 20 below.  Wind northwest at 10 to 15 mph.  Wind chills as low as 35 below.

.Thursday...  Very cold.  Mostly sunny.  High 0 to 5.  Wind west at 5 to 15 mph.  Morning wind chills as low as 35 below.

.Thursday Night...  Partly to mostly cloudy.  Low 3 below to 8 below.  Wind south around 10 mph.

.Friday...  Light snow with accumulations of 1-2" possible.  High 13 to 18.

.Friday Night...  Flurries.  Mostly cloudy.  Low 2 to 7.

.Saturday...  Partly to mostly cloudy.  High 13 to 18.

.Saturday Night...  Partly cloudy.  Low 10 below to 15 below.

.Sunday...  Partly cloudy.  High 0 to 5.

Normal temperatures for Thursday

High:  25
Low:    7

Sunrise Thursday:  7:06 AM CST
Sunset Thursday:   5:39 PM CST