/Issued 3:40 PM CDT, Wednesday, September 17, 2014/
Late Afternoon visible satellite image. Gusty E/NE winds resulting in widespread clouds coming off Lake Superior along the North and South Shore. These clouds will need to burn off for frost/freeze conditions to develop Overnight, not very confident on that occurring. Will just have to wait and see. Source, COD website.
NWS hazards map.
-Dark blue=Freeze warning
-Blue=Frost advisory
-Light blue=Beach hazards statement for dangerous swimming conditions.
*FREEZE WARNING*
Source: National Weather Service Duluth, Minnesota
A freeze warning has been issued for a part of Northeast Minnesota including the Arrowhead.
Timing: Midnight Tonight until 7 AM CDT Thursday.
Counties included in the warning:
Cook MN
Northern Lake MN
Some cities included in the warning:
Grand Marais
Hovland
Grand Portage
Isabella
Discussion: Temperatures are forecast to fall to between 27 and 32 degrees. Tender vegetation will stop growing.
A freeze warning means sub-freezing temperatures are imminent or highly likely. These conditions will kill crops and other sensitive vegetation.
*FROST ADVISORY*
Source: National Weather Service Duluth, Minnesota
A frost advisory has been issued for portions of Northeast Minnesota and Northwest Wisconsin.
Timing: Midnight Tonight until 7 AM CDT Thursday.
Counties included in the advisory:
Koochiching MN
Central and Northern St. Louis MN
Southern Lake MN
Bayfield WI
Ashland WI
Iron WI
Sawyer WI
Price WI
Some cities included in the advisory:
International Falls
Littlefork
Hibbing
Ely
Orr
Crane Lake
Two Harbors
Finland
Silver Bay
Port Wing
Bayfield
Washburn
Cable
Drummond
Ashland
High Bridge
Mellen
Clam Lake
Hurley
Upson
Gile
Hayward
Winter
Park Falls
Fifield
Discussion: Temperatures are forecast to fall to between 29 and 34 degrees. Sensitive outdoor plans may be killed if left uncovered.
A frost advisory means that frost is possible. Sensitive outdoor plants may be killed if left uncovered.
Weather Tidbits for Duluth, Minnesota – Airport location
*High temperature of 69F on September 16 was the warmest maximum temperature since September 9 (73F) Tuesday (16th) also marked the 1st time getting above 60 degrees since September 9.
Weather Summary for September 17, 2014
Location: Northeast Minnesota and Northwest Wisconsin
A cold front has moved into Central Minnesota late This Afternoon with high pressure of 1022mb covering Manitoba and Ontario. Much colder temperatures developed Today near Lake Superior while another mild day occurred elsewhere. Late Afternoon temperatures ranged from the 40s near Lake Superior under mostly cloudy skies while partly cloudy skies and mid 60s to low 70s were common across Western-Southern areas with 50s along the Borderland. Winds were out of the east to northeast at 15-30 mph near Lake Superior while north or northwest winds prevailed elsewhere at generally less than 15 mph.
Forecast Discussion for NE Minnesota and NW Wisconsin
Short Term Forecast – Confidence: High.
Tonight (September 17)
High pressure will continue to build south out of Ontario. Partly to mostly cloudy skies are expected Tonight with lows in the 30s and 40s with some 20s possible over the Arrowhead. Winds will be out of the east or shift to the east if they haven’t do so already. Wind speeds will range from 5-15 mph with gusts to 30 mph near Lake Superior.
Thursday and Thursday Night (September 18)
High pressure will be in control of our weather this period as it passes north/east of our area. Partly to mostly cloudy skies are forecast with highs in the 60s in Western/Southern areas with 40s and 50s near Lake Superior. Lows Thursday Night will be in the 40s and 50s with 30s in the Arrowhead. Winds will be out of the east or southeast at 5 to 15 mph with higher gusts near Lake Superior.
Extended Forecast – Confidence: High.
Friday through Sunday (September 19-21)
An area of low pressure along with a warm front and cold front will move through the area on Friday which will be followed by a secondary cold front and upper level trough on Saturday. These systems could bring some showers to the Northland from Friday into Saturday.
High temperatures are forecast to be in the 50s and 60s on Friday with milder temperatures possible on Saturday when 60s and 70s are possible. Highs on Sunday will be in the 50s and 60s. Lows Friday Night will be in the 50s and 60s. Lows Saturday Night will be in the 40s and 50s.
Long Range Forecast – Confidence: High.
(September 22-27)
Near to below average temperatures through this period with possible showers sometime around the 25th-27th time frame.
5 DAY FORECAST FOR DULUTH AND SUPERIOR
.Tonight… Breezy and colder. Mostly cloudy with some partial clearing possible late. Low 40 to 45. Wind east at 10 to 20 mph with gusts to 30 mph near Lake Superior.
.Thursday… Considerable cloudiness. High 48 to 53. Wind east at 10 to 20 mph.
.Thursday Night… Partly to mostly cloudy. Low 43 to 48. Wind east to southeast at 10 to 20 mph becoming south late.
.Friday… Showers possible at times. Considerable cloudiness. High 60 to 65.
.Friday Night… Mostly cloudy. Showers possible. Low 55 to 60.
.Saturday… Partly sunny. A few showers possible. High 70 to 75.
.Saturday Night… Partly to mostly cloudy. Low 47 to 52.
.Sunday… Partly sunny. High 60 to 65.
Normal temperatures for Today
High: 65
Low: 46
Sunrise Thursday: 6:50 AM CDT
Sunset Thursday: 7:14 PM CDT
Tim
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