Record Warmth Over Upper Michigan The Last 6 Months

...RECORD WARMTH OVER UPPER MICHIGAN DURING THE LAST SIX MONTHS...

 

DESPITE A SPELL OF WINTRY WEATHER AND SOME HEAVY SNOW EARLY IN THE

MONTH AS WELL AS SEASONABLE CHILL THE LAST FEW DAYS...MARCH 2012

WILL GO DOWN IN THE RECORD BOOKS AS A MONTH OF UNPRECEDENTED WARMTH

OVER UPPER MICHIGAN. THE MONTHLY MEAN TEMPERATURE ENDED UP FROM NEAR

37 AT MANISTIQUE TO AS HIGH AS ALMOST 44 DEGREES JUST INLAND FROM

ONTONAGON...READINGS WHICH RANGED FROM 10 TO 12 DEGREES ABOVE

AVERAGE OVER THE EAST TO AROUND 15 DEGREES ABOVE NORMAL OVER THE

WEST AND AS MUCH AS 16 DEGREES ABOVE AT IRONWOOD. IN FACT...THESE

MONTHLY AVERAGE TEMPERATURES WOULD HAVE BEEN ABOVE NORMAL FOR APRIL.

MARCH 2012 IS NOW THE WARMEST THIRD MONTH ON RECORD EXCEPT AT

MANISTIQUE...WHERE MARCH 2012 IS THE SECOND WARMEST BEHIND ONLY

1946. THE CAUSE OF THIS EARLY WARMTH WAS A SPRAWLING RIDGE OF HIGH

PRESSURE THAT DOMINATED MOST OF THE TIME FROM 3/7 TO THE LAST WEEK

AND BROUGHT A NUMBER OF DAYS THAT WOULD HAVE BEEN WARM EVEN BY

MID-SUMMER STANDARDS.

 

 

SOME LOCATIONS OBSERVED THEIR FIRST 80-DEGREE HIGH TEMPERATURES AND

50-DEGREE LOW TEMPERATURES EVER IN MARCH DURING THIS MONTH OF

UNPRECEDENTED WARMTH. AT MANY PLACES...THE HIGHEST MARCH MAXIMUM AND

MINIMUM TEMPERATURES ON RECORD OCCURRED IN 2012.

 

ACTUALLY...UNSEASONABLY WARM WEATHER HAS PREVAILED SINCE LAST

OCTOBER. EXCEPT IN MARQUETTE...WHERE RECORDS EXTEND LONGEST AND BACK

INTO THE 1870S...THE SIX-MONTH PERIOD FROM 10/1/2011 THROUGH

3/31/2012 IS NOW THE WARMEST OCTOBER THROUGH MARCH ON RECORD. AT

MARQUETTE...OCTOBER 2011 THROUGH MARCH 2012 TRAILS ONLY THE SAME SIX

MONTHS IN 1877-78 AS THE WARMEST OCTOBER THROUGH MARCH ON RECORD.

 


 



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