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Jan07 Review for Northern Lower Michigan
NOUS43 KAPX 030425
PNSAPX

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE GAYLORD MI
1125 PM EST FRI FEB 2 2007

...WINTER CONDITIONS ARRIVE FOR THE LATTER HALF OF JANUARY...

JANUARY 2007 HAD 2 VERY DISTINCT PERIODS. THE FIRST PERIOD LASTING 
FROM THE 1ST...THROUGH THE 15TH...FEATURED WELL ABOVE NORMAL 
TEMPERATURES AND ALMOST NO SNOW ACROSS THE ENTIRE REGION.  THIS WARM 
PERIOD WAS PROVIDED BY A STUBBORN UPPER LEVEL RIDGE THAT HAD BEEN 
SITTING OVER THE EASTERN CONUS SINCE THE MIDDLE OF DECEMBER. THIS 
RIDGE KEPT THE NORTHERN JET STREAM FROM DIPPING DOWN INTO THE 
NORTHERN CONUS...WHICH TYPICALLY PROVIDES THE GREAT LAKES REGION 
WITH COLD TEMPERATURES AND SNOW. JANUARY IS TYPICALLY AN ACTIVE 
MONTH FOR WEATHER IN NORTHERN MICHIGAN...BUT THANKS TO THE WEATHER 
PATTERN...THE FIRST PART OF JANUARY WAS EXTREMELY QUIET.

HOW WARM WAS THE FIRST HALF OF JANUARY? BELOW IS A LOOK AT HOW SOME 
LOCATIONS FARED WITH RESPECT TO THEIR AVERAGE TEMPERATURE FOR THE 
FIRST 15 DAYS OF JANUARY (MAX...MIN...AND MEAN VALUES REPRESENT 
AVERAGE VALUES FOR THE FIRST 15 DAYS):

                 SSM     HTL     APN     TVC*    GLR*    ALL

JAN MEAN 2007   27.2    30.3    31.2    32.6    28.7    30.0 
MEAN DEPARTURE +13.5   +11.9   +12.6   +11.0   +10.9   +12.0

*UNOFFICIAL DATA (OBSERVED PRECIPITATION IS FROM AUTOMATED SURFACE 
OBSERVING SYSTEM (ASOS) AND NORMAL DATA IS COMPILED FROM COOPERATIVE 
OBSERVER SITES IN VICINITY OF ASOS SITES)  

HERE IS HOW THESE LOCATIONS RANKED WITH RESPECT TO THE WARMEST 
AVERAGE TEMPERATURE FOR THE FIRST 15 DAYS OF JANUARY:

SAULT SAINTE MARIE 

AVG.   YEAR
29.9   1932
28.3   1987
27.2   2007 (3RD WARMEST)

HOUGHTON LAKE (1913-2007)

AVG.   YEAR
31.7   1932
30.3   2007 (2ND WARMEST)
29.0   2006

ALPENA (1916-2007)

AVG.   YEAR
32.4   1932
31.2   2007 (2ND WARMEST)
30.2   1987

TRAVERSE CITY (1896-2007)

AVG.   YEAR
33.3   1987
33.2   1932
33.0   2006
32.6   2007 (4TH WARMEST)

GAYLORD (1893-2007)

AVG.   YEAR
28.7   2007 (1ST WARMEST)
28.5   1987
28.4   2006
____________________________________________________________________
 
AS THE MIDDLE OF JANUARY APPROACHED...MANY WERE WONDERING IF WINTER 
WOULD EVER ARRIVE ACROSS THE AREA. THESE CONCERNS WERE ANSWERED ON 
THE 12TH AND 13TH OF JANUARY...AS A COLD FRONT PLOWED ACROSS 
NORTHERN MICHIGAN...PUTTING AN END TO THE WARM WEATHER...AND SETTING 
UP A MUCH DIFFERENT PATTERN FOR THE REMAINDER OF THE MONTH. THE 
UPPER LEVEL RIDGE BROKE DOWN...ONLY TO BE REPLACED BY AN UPPER LEVEL 
TROUGH. THIS TROUGH PRODUCED MUCH COLDER TEMPERATURES...AND MORE 
PERSISTENT LAKE EFFECT SNOWS ACROSS THE AREA. AS THE MONTH OF 
JANUARY ENDED...MANY PLACES IN NORTHERN MICHIGAN HAD NEARLY A FOOT 
OF SNOW ON THE GROUND.  

HERE IS A LOOK AT HOW SOME LOCATIONS FARED WITH RESPECT TO THEIR 
FINAL AVERAGE TEMPERATURES DURING JANUARY 2007 (MAX...MIN...AND 
MEAN VALUES REPRESENT AVERAGE VALUES DURING THE MONTH):

                 SSM     HTL     APN     TVC*    GLR*    ALL

JAN MAX 2007    26.3    28.9    30.2    31.8    27.7    29.0
MAX DEPARTURE   +4.8    +3.0    +4.1    +4.5    +2.5    +3.8

JAN MEAN 2007   19.5    22.4    23.3    25.7    21.3    22.4
MEAN DEPARTURE  +6.3    +4.6    +5.5    +4.8    +3.9    +5.0

JAN MIN 2007    12.6    15.9    16.3    19.6    15.0    15.9
MIN DEPARTURE   +7.7    +6.2    +6.8    +5.2    +5.4    +6.3

*UNOFFICIAL DATA (OBSERVED PRECIPITATION IS FROM AUTOMATED SURFACE 
OBSERVING SYSTEM (ASOS) AND NORMAL DATA IS COMPILED FROM COOPERATIVE 
OBSERVER SITES IN VICINITY OF ASOS SITES)  
____________________________________________________________________

EVEN WITH THE VERY SLOW START TO THE MONTH...JANUARY ENDED JUST SHY 
OF NORMAL WITH REGARDS TO OVERALL SNOWFALL. ALL OF THE SNOWFALL CAME 
BETWEEN THE 12TH AND 31ST OF JANUARY...WITH NO SNOW BEFORE THIS 
PERIOD. MUCH OF THE SNOW WAS PRODUCED WITH LAKE EFFECT PROCESSES... 
WHICH IS TYPICAL FOR JANUARY. 

HERE IS A LOOK AT HOW SOME LOCATIONS FARED DURING JANUARY 2007:

                         SSM     HTL     APN     TVC*    GLR* 

TOTAL SNOWFALL (IN)     32.7    13.9    22.9    18.7    34.8
DEPARTURE FROM NORMAL   -1.9    -4.9    -0.8   -11.7    -4.0  

*UNOFFICIAL DATA (OBSERVED AND NORMAL DATA ARE COMPILED FROM 
COOPERATIVE OBSERVER SITES) 
___________________________________________________________________

ALTHOUGH SNOWFALL MADE A NICE RECOVERY DURING THE MONTH...THE 
OVERALL LIQUID PRECIPITATION STILL FAILED TO REACH NORMAL VALUES. A 
LOT OF THIS WAS DUE TO THE HIGH SNOW TO LIQUID RATIO. MUCH OF THE 
SNOWFALL WAS PURE LAKE EFFECT SNOW...WHICH TYPICALLY HAS VERY LITTLE 
MOISTURE IN THE SNOW.

HERE IS A LOOK AT HOW SOME LOCATIONS FARED WITH RESPECT TO LIQUID 
PRECIPITATION DURING JANUARY 2007:

                           SSM     HTL     APN     TVC*    GLR* 

TOTAL PRECIPITATION (IN)  1.86    0.93    1.08    0.70    0.87
DEPARTURE FROM NORMAL    -0.78   -0.68   -0.68   -2.28   -2.18

*UNOFFICIAL DATA (OBSERVED PRECIPITATION IS FROM AUTOMATED SURFACE 
OBSERVING SYSTEM (ASOS) AND NORMAL DATA IS COMPILED FROM COOPERATIVE 
OBSERVER SITES IN VICINITY OF ASOS SITES)
___________________________________________________________________

HERE IS THE MORE NOTABLE WEATHER EVENTS DURING JANUARY 2007:

ON THE 5TH AND 6TH OF JANUARY...WARM WEATHER PRODUCED RECORD 
HIGH TEMPERATURES IN GAYLORD AND ALPENA. ON THE 5TH...GAYLORD 
REACHED 45 DEGREES...WHILE ALPENA REACHED 50. THEN ON THE 
6TH...GAYLORD REACHED 38 DEGREES AND ALPENA REACHED 41 DEGREES. THIS 
WARM WEATHER WAS PART OF AN EXTENDED PERIOD OF WARMTH LASTING FROM 
THE MIDDLE OF DECEMBER...THROUGH THE FIRST HALF OF JANUARY.

ON JANUARY 30TH AND 31ST...LAKE EFFECT SNOW DUMPED AROUND A FOOT OF 
SNOW IN AREAS AROUND WHITEFISH POINT AND PARADISE.

                     **********************

FOR ADDITIONAL CLIMATE INFORMATION INCLUDING UP TO DATE LOCAL 
CLIMATE GRAPHICS...SEASONAL OUTLOOKS...AND EL NINO INFORMATION... 
PLEASE VISIT THE FOLLOWING WEBSITES:

GAYLORD NATIONAL WEATHER SERVICE
  WWW.CRH.NOAA.GOV/APX/CLIMATE.PHP

CLIMATE PREDICTION CENTER
  HTTP://WWW.CPC.NOAA.GOV/PRODUCTS/PREDICTIONS/

EL NINO AND LA NINA INFORMATION
  HTTP://WWW.CPC.NOAA.GOV/PRODUCTS/ANALYSIS_MONITORING/ENSO_ADVISORY/

FOR MORE INFORMATION...CONTACT THE GAYLORD NATIONAL WEATHER SERVICE 
AT (989) 731-3384...EXTENSION 726 OR 766.

$$

KAS



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