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Great Lakes Ice Outlook (CLEICELIO)

issued Monday Wednesday Friday


262
FZUS81 KCLE 242202
ICELIO

GREAT LAKES ICE OUTLOOK
NATIONAL WEATHER SERVICE CLEVELAND OHIO
502 PM EST FRI FEB 24 2017

ACTIVE WATCHES...WARNINGS...AND ADVISORIES ON THE GREAT LAKES CAN
BE FOUND AT...HTTP://WWW.CRH.NOAA.GOV/GREATLAKES/?C=HAZ&L=GL&P=A

5 DAY ICE DISCUSSION...
MOST ICE REMAINS CONFINED TO PROTECTED BAYS AND SHORELINES OF THE
NORTHERN LAKES. PRIMARY LOCATIONS INCLUDE THUNDER BAY, NEAR THE
APOSTLE ISLANDS AND THE EASTERN TIP OF LAKE SUPEROR. GREEN BAY, AND THE
NORTHERN TIP OF LAKE MICHIGAN. AND THE HE NORTH CHANNEL AND THE EASTERN
SHORES OF GEORGIAN BAY ON LAKE HURON. COLDER AIR WILL SPREAD BACK INTO THE
REGION SATURDAY THROUGH MONDAY. EXPECT LITTLE TO NO ICE GROWTH ON THE
SOUTHERN LAKES THROUGH THE MIDDLE OF NEXT WEEK. THE NORTHERN LAKES WILL
SEE SLOW TO MODERATE ICE GROWTH THROUGH MONDAY AND SLOW GROWTH TUESDAY AND
WEDNESDAY.

THE GREAT LAKES ICE ANALYSIS PRODUCTS CAN BE FOUND AT:

HTTP://WWW.NATICE.NOAA.GOV/PRODUCTS/GREAT_LAKES.HTML

AND

HTTP://WWW.GLERL.NOAA.GOV/DATA/ICE/#CURRENTCONDITIONS

     MAX WIND (KNOTS) AT EACH SITE FOR THE 12 HOUR FCST PERIOD

       LOCATION   TONIGHT      SAT  SAT NIGHT      SUN  SUN NIGHT
  WEST SUPERIOR      010/22    310/20    240/19    290/13    200/12
   MID SUPERIOR      340/27    330/25    290/16    290/14    260/10
  EAST SUPERIOR      350/28    320/27    230/20    300/16    260/12
 NORTH MICHIGAN      320/26    300/24    220/25    230/23    260/08
 SOUTH MICHIGAN      310/27    300/25    200/23    200/26    250/09
    NORTH HURON      270/19    290/30    290/26    210/23    270/12
      MID HURON      240/22    280/27    290/22    210/23    270/12
    SOUTH HURON      240/20    280/25    280/20    200/22    240/10
      WEST ERIE      260/21    270/26    270/21    200/16    220/10
      EAST ERIE      180/19    250/30    270/21    220/24    230/17
CENTRAL ONTARIO      170/20    270/28    270/28    230/25    250/23

A FULL GRAPHICAL FORECAST OF WIND ON THE GREAT LAKES CAN BE FOUND AT:
HTTP://WWW.CRH.NOAA.GOV.GREATLAKES/?C=MAP&L=GL&P=A&M=WS

        TEMPERATURE  FORECASTS FOR SELECTED CITIES

 LOCATION   02/25   02/26   02/27   02/28   03/01   03/02
   DULUTH  11  26  15  29  15  35  23  35  22  30  13  29
MARQUETTE  21  23  19  31  19  33  27  37  30  34  18  27
 GREENBAY  21  26  17  35  20  37  28  42  31  38  21  33
MILWAUKEE  25  27  22  42  29  42  35  48  35  40  26  35
  CHICAGO  28  30  25  44  32  45  38  52  38  43  28  38
 MUSKEGON  29  31  25  38  30  41  33  47  35  42  27  34
   ALPENA  32  33  20  37  25  38  30  43  33  40  22  30
  DETROIT  39  42  25  40  32  45  35  51  41  49  30  38
   TOLEDO  36  38  22  40  31  47  36  53  41  51  28  39
CLEVELAND  44  46  27  38  35  45  35  50  45  51  31  36
  BUFFALO  57  57  27  35  31  42  33  47  42  51  31  34

A FULL GRAPHICAL FORECAST OF THE GREAT LAKES FORECAST TEMPERATURES
CAN BE FOUND AT HTTP://WWW.CRH.NOAA.GOV/GREATLAKES/?C=MAP&L=GL&P=A&M=TE

FREEZING DEGREE DAY ACCUMULATIONS AT SELECTED STATIONS
COMPARED TO NORMAL CALCULATED ON FRI FEB 24:

LOCATION           DATE   NORMAL CURRENT
----------------------------------------

   DULUTH,   MN  FEB   23 1739 1178
MARQUETTE,   MI  FEB   23 1463 1060
SAU_S_MAR,   MI  FEB   23 1178  625
 GREENBAY,   WI  FEB   23 1116  550
MILWAUKEE,   WI  FEB   23  631  234
  CHICAGO,   IL  FEB   23  503  172
 MUSKEGON,   MI  FEB   23  393   54
   ALPENA,   MI  FEB   23  896  472
  DETROIT,   MI  FEB   23  377    0
   TOLEDO,   OH  FEB   23  383   23
CLEVELAND,   OH  FEB   23  196    0
  BUFFALO,   NY  FEB   23  497   78


NORMAL TEMPS FOR SELECTED LOCATIONS AROUND THE
GREAT LAKES FOR FRI FEB 24

LOCATION     HIGH LOW
----------------------------------------------

    DULUTH,MN  28  10
 MARQUETTE,MI  29  13
  GREENBAY,WI  28  10
 MILWAUKEE,WI  37  22
   CHICAGO,IL  40  24
  MUSKEGON,MI  37  22
    ALPENA,MI  28  10
   DETROIT,MI  39  23
    TOLEDO,OH  40  23
 CLEVELAND,OH  41  25
   BUFFALO,NY  37  21

$$


 


                             Freezing Degree Day Information

	CLEWRKLIO DEF 
TTAA00 KCLE 261715
 
FREEZING DEGREE DAY ACCUMULATIONS AT SELECTED STATIONS
COMPARED TO NORMAL CALCULATED ON Sun Feb 26:
 
LOCATION           DATE   NORMAL CURRENT
----------------------------------------
    
   DULUTH,   MN  FEB   25 1767 1209    
MARQUETTE,   MI  FEB   25 1491 1086    
SAU_S_MAR,   MI  FEB   25 1202  638    
 GREENBAY,   WI  FEB   25 1134  563    
MILWAUKEE,   WI  FEB   25  638  240    
  CHICAGO,   IL  FEB   25  505  171    
 MUSKEGON,   MI  FEB   25  399   48    
   ALPENA,   MI  FEB   25  916  476    
  DETROIT,   MI  FEB   25  381    0    
   TOLEDO,   OH  FEB   25  386    0    
CLEVELAND,   OH  FEB   25  196    0    
  BUFFALO,   NY  FEB   25  505   39    




                         Canadian Daily Ice Forecast 

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FICN19 CWIS 261645
Ice forecasts for the Great Lakes issued by Environment Canada at
12:00 p.m. EST Sunday 26 February 2017 for today tonight and Monday.
The next scheduled forecasts will be issued at 12:00 p.m. Monday.

Western Lake Superior.
Open water becoming 5 tenths of new lake ice in Thunder Bay and
along parts of the southern shore overnight. Consolidated thick lake
ice in Black Bay, Nipigon Bay and Chequamegon Bay.

Eastern Lake Superior.
Open water except 4 tenths of new lake ice including 1 tenth of thin
lake ice along parts of the southern and eastern shore becoming 8
tenths of new lake ice including 2 tenths of thin lake ice
overnight.

Whitefish Bay.
9 tenths of new lake ice except 9 tenths of thin lake ice including
1 tenth of medium lake ice in the southern section.

Northern Lake Huron.
Open water except 3 tenths of medium lake ice in the extreme
northwestern section.

Southern Lake Huron.
Open water except 2 tenths of medium lake ice in Saginaw Bay.

North Channel.
8 tenths of medium lake ice. Consolidated medium lake ice in the St.
Marys River and in the extreme eastern section of the channel.

Georgian Bay.
Open water except 7 tenths of thin lake ice including 1 tenth of
medium lake ice along the eastern shore. Consolidated medium lake
ice in Severn Sound.

Lake St. Clair.
Open water.

Lake Erie.
Open water.

Western Lake Ontario.
Open water.

Eastern Lake Ontario.
Open water except 3 tenths of thin lake ice in the St. Lawrence
River. Consolidated rotten medium lake ice in the Bay Of Quinte and
some bays in the eastern section.

Northern Lake Michigan.
Open water except 7 tenths of medium lake ice north and east of
Beaver Island and in Little Traverse Bay.

Southern Lake Michigan.
Open water.

Green Bay.
8 tenths of new lake ice except 9 to 10 tenths of medium lake ice
along the western shore of the Door Peninsula. Consolidated medium
lake ice including a trace of thick lake ice south of Sturgeon Bay
and in the Bays de Noc.

The Lake Michigan ice description has been pared by the U.S.
National Ice Center.

End

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                            Freeze-Up/Break-Up Outlook (NWS CLE)

	

   National Ice Center 30 day ice outlook


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FECN19 CWIS 151800 
THIRTY DAY ICE OUTLOOK FOR THE GREAT LAKES ISSUED BY ENVIRONMENT CANADA 
ON 15 FEBRUARY 2017 FOR MID-FEBRUARY TO MID-MARCH.  
THE NEXT SCHEDULED BULLETIN WILL BE ISSUED ON 1 MARCH 2017.

Lake Superior

Average air temperatures were near normal in the first half of 
February. Air temperatures will be above normal for mid-February to 
mid-March. 

Thunder Bay.
End of February... Consolidated medium with some thick lake ice except 8 
to 10 tenths of medium lake ice over the central section of the bay.
Mid-March... Consolidated thick lake ice except 9 to 10 tenths of medium 
lake ice near the entrance to the bay.

Nipigon and Black Bays.
February 15 to March 15... Consolidated with thick lake ice.

From Grand Marais Minnesota to the entrance to Nipigon Bay.
End of February... 3 to 5 tenths of new and thin lake ice except 5 to 8 
tenths of thin and medium lake ice between the entrance to Thunder Bay 
and Isle Royale.
Mid-March... 4 to 7 tenths of new and thin lake ice except 7 to 9 tenths 
of medium lake ice between the entrance to Thunder Bay and Isle Royale.

From Grand Marais to Duluth.
End of February... Open water except 2 to 4 tenths of new and thin lake 
ice from Two Harbours to Duluth.
Mid-March... Patches of new and thin lake ice otherwise open water.

Southern Lake Superior west of Keweenaw Peninsula.
End of February... 8 to 10 tenths of thin and medium lake ice extending 
up to 10 nautical miles from the shore. Consolidated thick lake ice in 
Chequamegon Bay and the Apostle Islands. 
Mid-March... 5 to 8 tenths of thin and medium lake ice extending up to 10 
nautical miles from the shore.  Consolidated thick lake ice in 
Chequamegon Bay and the Apostle Islands.

Southern Lake Superior east of the Keweenaw Peninsula.
End of February... 5 to 7 tenths of new and thin lake ice except isolated 
areas of 8 to 10 tenths of thin lake ice along the shore.
Mid-March... 3 to 5 tenths of thin and medium lake ice except isolated 
areas of 8 to 10 tenths of medium lake ice along the shore.

Whitefish Bay.
End of February... 7 to 9 tenths of new and thin lake ice except 9 to 10 
tenths of new and thin lake ice over the southeastern section. 
Consolidated thick lake ice in isolated bays.
Mid-March... 8 to 10 tenths of thin and medium lake ice.

From Whitefish Bay northwards to Michipicoten Bay.
End of February.... Open water.
Mid-March... 2 to 4 tenths of new and thin lake ice.

From Michipicoten Bay to the entrance to Nipigon Bay.
February 15 to March 15... Open water except isolated patches of new lake 
ice along the shore.

Elsewhere in Lake Superior.
February 15 to March 15... Ice free to open water. 

Lake Michigan

Average air temperatures were near normal in the first half of 
February. Air temperatures will be above normal for mid-February to 
mid-March. 

Green Bay.
February 15 to March 15... Consolidated medium and thick lake ice except 
8 to 10 tenths of thin and medium lake ice over the central section of 
the bay.

Northeastern Lake Michigan.
End of February... 5 to 7 tenths of thin lake ice except 9 to 10 tenths 
of thin and medium lake ice east of Beaver Island to the Straits of 
Mackinac and in Little Traverse Bay. 
Mid-March... 5 to 7 tenths of thin and medium lake ice except 9 to 10 
tenths of medium and thick lake ice east of Beaver Island to the 
Straits of Mackinac and in Little Traverse Bay. 

Elsewhere in Lake Michigan.
End of February... Open water except isolated areas of 5 to 7 tenths of 
new lake ice along the western shore and the eastern shore south of 
Little Sable Point.
Mid-March...  Open water.

Lake Huron and Georgian Bay

Average air temperatures were near normal in the first half of 
February. Air temperatures will be above normal for mid-February to 
mid-March. 

North Channel.
February 15 to March 15... 8 to 10 tenths of thin and medium lake ice. 
Consolidated medium with some thick lake ice over the eastern and 
western sections.

St Mary's River.
February 15 to March 15... Consolidated medium with some thick lake ice.

South of Manitoulin Island westward to north-western Lake Huron.
End of February... 5 to 7 tenths of new and thin lake ice in a narrow 
band along the shore.
Mid-March... Open water.

North-western Lake Huron near the Straits of Mackinac.
End of February... 8 to 10 tenths of thin and medium lake ice except 
consolidated thin and medium lake ice near the Straits of Mackinac.
Mid-March... 5 to 8 tenths of thin and medium lake ice except 
consolidated medium lake ice south of Bois Blanc Island and near the 
Straits of Mackinac.

From north-western Lake Huron to Saginaw Bay.
End of February... 5 to 8 tenths of thin and medium lake ice.
Mid-March... Patches of thin and medium lake ice along the shore 
otherwise open water.

Saginaw Bay.
End of February... 9 to 10 tenths of thin and medium lake ice except 
consolidated with medium lake ice over the southeastern section.
Mid-March... 9 to 10 tenths of medium lake ice.

The southern and eastern shore of Lake Huron.
End of February... 8 to 10 tenths of new and thin lake ice within 10 
nautical miles of the shore.
Mid-March... 4 to 7 tenths of new and thin lake ice in a narrow band 
along the eastern and southern shores.

Georgian Bay.
End of February... Open water except 8 to 10 tenths of thin and medium 
lake ice extending up to 25 nautical miles from the northern and 
eastern shores.  Consolidated medium lake ice along the northern and 
eastern shores.
Mid-March... Open water except 7 to 9 tenths of thin and medium lake 
ice within 15 nautical miles of the northern and eastern shores. 
Consolidated medium lake ice along the northern and eastern shores.  

Elsewhere in Lake Huron.
February 15 to March 15... Open water. 

Lake Erie and Lake St. Clair

Average air temperatures were above normal in the first half of 
February. Air temperatures will be above normal for mid-February to 
mid-March. 

Lake St Clair and the Western Basin.
End of February... 3 to 5 tenths of new and thin lake ice except 8 to 10 
tenths of thin and medium lake ice over eastern Lake St Clair and the 
northern section of the Western Basin.
Mid-March... Open water except patches of thin and medium lake ice in 
the eastern section of Lake St Clair.

The rest of Lake Erie.
End of February... Open water except 4 to 7 tenths of new and thin lake 
ice over the western section west of Ashtabula and along the northern 
shore. 
Mid-March... Isolated patches of new and thin lake ice otherwise open 
water.

Lake Ontario

Average air temperatures were above normal in the first half of 
February. Air temperatures will be above normal for mid-February to 
mid-March. 

Northeastern Lake Ontario.
End of February... Open water except 3 to 5 tenths of new and thin lake 
ice within 10 nautical miles of the shore. Consolidated medium lake ice 
in isolated bays.
Mid-March... Open water except 2 to 4 tenths of new and thin lake ice 
within 10 nautical miles of the shore. Consolidated medium lake ice in 
isolated bays.

Bay of Quinte.
February 15 to March 15... Consolidated medium lake ice. 

St Lawrence River.
End of February... 8 to 10 tenths of new and thin lake ice. 
Mid-March... 3 to 5 tenths of new and thin lake ice. 

Elsewhere in Lake Ontario.
February 15 to March 15... Patches of new lake ice along sections of the 
shore otherwise open water. 

END


 
 
 
 
 
Lake Ontario.
February 15 to March 15... Patches of new lake ice along sections of the 
shore otherwise open water. 

END


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END


 
 
 
 
 
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Canadian 30-day ice outlook

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FECN19 CWIS 151800 
THIRTY DAY ICE OUTLOOK FOR THE GREAT LAKES ISSUED BY ENVIRONMENT CANADA 
ON 15 FEBRUARY 2017 FOR MID-FEBRUARY TO MID-MARCH.  
THE NEXT SCHEDULED BULLETIN WILL BE ISSUED ON 1 MARCH 2017.

Lake Superior

Average air temperatures were near normal in the first half of 
February. Air temperatures will be above normal for mid-February to 
mid-March. 

Thunder Bay.
End of February... Consolidated medium with some thick lake ice except 8 
to 10 tenths of medium lake ice over the central section of the bay.
Mid-March... Consolidated thick lake ice except 9 to 10 tenths of medium 
lake ice near the entrance to the bay.

Nipigon and Black Bays.
February 15 to March 15... Consolidated with thick lake ice.

From Grand Marais Minnesota to the entrance to Nipigon Bay.
End of February... 3 to 5 tenths of new and thin lake ice except 5 to 8 
tenths of thin and medium lake ice between the entrance to Thunder Bay 
and Isle Royale.
Mid-March... 4 to 7 tenths of new and thin lake ice except 7 to 9 tenths 
of medium lake ice between the entrance to Thunder Bay and Isle Royale.

From Grand Marais to Duluth.
End of February... Open water except 2 to 4 tenths of new and thin lake 
ice from Two Harbours to Duluth.
Mid-March... Patches of new and thin lake ice otherwise open water.

Southern Lake Superior west of Keweenaw Peninsula.
End of February... 8 to 10 tenths of thin and medium lake ice extending 
up to 10 nautical miles from the shore. Consolidated thick lake ice in 
Chequamegon Bay and the Apostle Islands. 
Mid-March... 5 to 8 tenths of thin and medium lake ice extending up to 10 
nautical miles from the shore.  Consolidated thick lake ice in 
Chequamegon Bay and the Apostle Islands.

Southern Lake Superior east of the Keweenaw Peninsula.
End of February... 5 to 7 tenths of new and thin lake ice except isolated 
areas of 8 to 10 tenths of thin lake ice along the shore.
Mid-March... 3 to 5 tenths of thin and medium lake ice except isolated 
areas of 8 to 10 tenths of medium lake ice along the shore.

Whitefish Bay.
End of February... 7 to 9 tenths of new and thin lake ice except 9 to 10 
tenths of new and thin lake ice over the southeastern section. 
Consolidated thick lake ice in isolated bays.
Mid-March... 8 to 10 tenths of thin and medium lake ice.

From Whitefish Bay northwards to Michipicoten Bay.
End of February.... Open water.
Mid-March... 2 to 4 tenths of new and thin lake ice.

From Michipicoten Bay to the entrance to Nipigon Bay.
February 15 to March 15... Open water except isolated patches of new lake 
ice along the shore.

Elsewhere in Lake Superior.
February 15 to March 15... Ice free to open water. 

Lake Michigan

Average air temperatures were near normal in the first half of 
February. Air temperatures will be above normal for mid-February to 
mid-March. 

Green Bay.
February 15 to March 15... Consolidated medium and thick lake ice except 
8 to 10 tenths of thin and medium lake ice over the central section of 
the bay.

Northeastern Lake Michigan.
End of February... 5 to 7 tenths of thin lake ice except 9 to 10 tenths 
of thin and medium lake ice east of Beaver Island to the Straits of 
Mackinac and in Little Traverse Bay. 
Mid-March... 5 to 7 tenths of thin and medium lake ice except 9 to 10 
tenths of medium and thick lake ice east of Beaver Island to the 
Straits of Mackinac and in Little Traverse Bay. 

Elsewhere in Lake Michigan.
End of February... Open water except isolated areas of 5 to 7 tenths of 
new lake ice along the western shore and the eastern shore south of 
Little Sable Point.
Mid-March...  Open water.

Lake Huron and Georgian Bay

Average air temperatures were near normal in the first half of 
February. Air temperatures will be above normal for mid-February to 
mid-March. 

North Channel.
February 15 to March 15... 8 to 10 tenths of thin and medium lake ice. 
Consolidated medium with some thick lake ice over the eastern and 
western sections.

St Mary's River.
February 15 to March 15... Consolidated medium with some thick lake ice.

South of Manitoulin Island westward to north-western Lake Huron.
End of February... 5 to 7 tenths of new and thin lake ice in a narrow 
band along the shore.
Mid-March... Open water.

North-western Lake Huron near the Straits of Mackinac.
End of February... 8 to 10 tenths of thin and medium lake ice except 
consolidated thin and medium lake ice near the Straits of Mackinac.
Mid-March... 5 to 8 tenths of thin and medium lake ice except 
consolidated medium lake ice south of Bois Blanc Island and near the 
Straits of Mackinac.

From north-western Lake Huron to Saginaw Bay.
End of February... 5 to 8 tenths of thin and medium lake ice.
Mid-March... Patches of thin and medium lake ice along the shore 
otherwise open water.

Saginaw Bay.
End of February... 9 to 10 tenths of thin and medium lake ice except 
consolidated with medium lake ice over the southeastern section.
Mid-March... 9 to 10 tenths of medium lake ice.

The southern and eastern shore of Lake Huron.
End of February... 8 to 10 tenths of new and thin lake ice within 10 
nautical miles of the shore.
Mid-March... 4 to 7 tenths of new and thin lake ice in a narrow band 
along the eastern and southern shores.

Georgian Bay.
End of February... Open water except 8 to 10 tenths of thin and medium 
lake ice extending up to 25 nautical miles from the northern and 
eastern shores.  Consolidated medium lake ice along the northern and 
eastern shores.
Mid-March... Open water except 7 to 9 tenths of thin and medium lake 
ice within 15 nautical miles of the northern and eastern shores. 
Consolidated medium lake ice along the northern and eastern shores.  

Elsewhere in Lake Huron.
February 15 to March 15... Open water. 

Lake Erie and Lake St. Clair

Average air temperatures were above normal in the first half of 
February. Air temperatures will be above normal for mid-February to 
mid-March. 

Lake St Clair and the Western Basin.
End of February... 3 to 5 tenths of new and thin lake ice except 8 to 10 
tenths of thin and medium lake ice over eastern Lake St Clair and the 
northern section of the Western Basin.
Mid-March... Open water except patches of thin and medium lake ice in 
the eastern section of Lake St Clair.

The rest of Lake Erie.
End of February... Open water except 4 to 7 tenths of new and thin lake 
ice over the western section west of Ashtabula and along the northern 
shore. 
Mid-March... Isolated patches of new and thin lake ice otherwise open 
water.

Lake Ontario

Average air temperatures were above normal in the first half of 
February. Air temperatures will be above normal for mid-February to 
mid-March. 

Northeastern Lake Ontario.
End of February... Open water except 3 to 5 tenths of new and thin lake 
ice within 10 nautical miles of the shore. Consolidated medium lake ice 
in isolated bays.
Mid-March... Open water except 2 to 4 tenths of new and thin lake ice 
within 10 nautical miles of the shore. Consolidated medium lake ice in 
isolated bays.

Bay of Quinte.
February 15 to March 15... Consolidated medium lake ice. 

St Lawrence River.
End of February... 8 to 10 tenths of new and thin lake ice. 
Mid-March... 3 to 5 tenths of new and thin lake ice. 

Elsewhere in Lake Ontario.
February 15 to March 15... Patches of new lake ice along sections of the 
shore otherwise open water. 

END


 
 
 
 
 
Lake Ontario.
February 15 to March 15... Patches of new lake ice along sections of the 
shore otherwise open water. 

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