Friday, February 13, 2015

February 13, 2015 Weather Report - Bitterly cold/dangerous wind chills Tonight and Saturday; More arctic dumps next week.

/Issued 4:03 PM CST, Friday, February 13, 2015/

Minnesota snow depth map as of February 12, 2015.  Source, MNDNR.  Text reports below.




















A larger view of the snow depth as of February 13, 2015.  Source, Midwest Regional Climate Center.


















Snow depth report as of February 13, 2015
Source:  National Weather Service Duluth, Minnesota

northeast Minnesota:

Duluth:  9"
International Falls:  16"
7 NW of Brainerd:  5"
12 N of Isle:  4"
3 E of Wright:  4"
Cotton, MN:  8"
Cass Lake:  6"
Togo:  10"
Cook:  14"
Embarrass:  12"
Floodwood:  5"
4 E of Island Lake:  11"
Kabetogama:  19"
3 E of Orr:  12"

northwest Wisconsin:

3 S of Ashland:  2"
1 WSW of Saxon:  17"
Hurley:  18"
4 W of Clam Lake:  11"
Gordon:  7"
9 SE of Webster:  5"
Winter:  11"

NWS hazards map.  Light blue=Wind Chill Advisory.

More information at this link:  http://forecast.weather.gov/wwamap/wwatxtget.php?cwa=dlh&wwa=wind%20chill%20advisory

















Weather Summary for February 13, 2015
Location:  northeast Minnesota and northwest Wisconsin

Temperatures warmed up Today as we wait for the next slug of arctic air which arrives later Tonight.  With the milder temperatures came some light snow and flurries at times across the Northland Today as low pressure passes through Ontario.  Snowfall accumulations were under an inch except in Duluth where 1" of fluffy snow fell earlier in the day.  High temperatures Today were in the teens and 20s with winds west or northwest at 10 to 20 mph.

Forecast Discussion for northeast Minnesota and northwest Wisconsin

Short Term Forecast - Confidence:  High.

Tonight (February 13)

Arctic high pressure averaging 1045mb will build into western Manitoba during the night as low pressure moves into southeastern Ontario.  Brisk winds and frigid temperatures will be found in our area Tonight with north or northwest winds in the 10-25 mph range while lows fall into the single digits, teens, and 20s below zero.  Partly cloudy skies are expected Tonight with scattered flurries mainly early.

Saturday and Saturday Night (February 14)

High pressure of around 1045mb slides by to our north during this period.  It'll be dry but bitterly cold Tomorrow and Tomorrow Night.  Highs are forecast to be in the single digits below to single digits above zero with lows in the single digits, teens, and 20s below with 30s below even possible in the traditional cold spots.  Winds on Saturday will be out of the north or northwest at 10 to 20 mph.  Winds Saturday Night will turn to the north/east at 5 to 15 mph.

Note:  Lake effect snow showers are possible Tonight and Saturday along the South Shore of Lake Superior, especially in Ashland and Iron Counties.  There's a lesser chance for lake effect snow showers Saturday Night into Sunday along the North Shore of Lake Superior as winds veer to the east, and then south/southeast.

Extended Forecast - Confidence:  High.

Sunday through Tuesday (February 15-17)

There is a chance for a little bit of snow from Sunday into Monday as a weak system moves slowly across the Upper Midwest but only minor snow accumulations are expected.  Dry weather returns on Tuesday.  High temperatures will be in the single digits below to single digits above zero on Sunday with single digits and teens on Monday with mostly single digits on Tuesday.  Lows Sunday Night will range from the single digits below to single digits above zero.  Lows Monday Night will be in the single digits, teens, and 20s below.

Long Range Forecast - Confidence:  High.

(February 18-23)

More shots of arctic air are expected to affect the Northland from the 18th-23rd resulting in continued below average temperatures.  Little if any snow during the long range.

5 DAY FORECAST FOR DULUTH AND SUPERIOR

Event:  *WIND CHILL ADVISORY* for Duluth
Timing:  Midnight Tonight until Noon CST Saturday

Event:  *WIND CHILL ADVISORY* for Superior
Timing:  3 AM Tonight until Noon CST Saturday

Tonight...  Frigid.  Breezy.  Clear to partly cloudy.  A few flurries possible early.  Low 6 below to 11 below.  Wind north to northwest at 10 to 20 mph with higher gusts.  Wind chills as low as 30 below to 35 below.

.Saturday...  Frigid.  Sunshine.  High 0 to 5.  Wind north to northwest at 10 to 20 mph.  Wind chills as low as 30 below to 35 below before Noon.

.Saturday Night...  Very cold.  Partly cloudy.  Low 9 below to 14 below.  Wind becoming east around 10 mph.

.Sunday...  Partly to mostly cloudy.  High 2 to 7.

.Sunday Night...  Considerable cloudiness.  Low 0 to 5.

.Monday...  Considerable cloudiness.  High 15 to 20.

.Monday Night...  Partly to mostly cloudy.  Low 5 below to 10 below.

.Tuesday...  Partly cloudy.  High 0 to 5.

Normal temperatures for Saturday

High:  24
Low:    6

Sunrise Saturday:  7:15 AM CST
Sunset Saturday:   5:32 PM CST

Tim