Top 7 Lowest Pressures Recorded at Madison and Milwaukee

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
810 PM CDT THU OCT 28 2010






...VERY LOW MEAN SEA LEVEL PRESSURE READINGS FOR MILWAUKEE AND
MADISON ON TUESDAY OCTOBER 26 2010...


THE RECENT INTENSE LOW PRESSURE SYSTEM THAT MOVED THROUGH THE REGION
ESTABLISHED THE RECORD LOWEST MEAN SEA LEVEL PRESSURE READING FOR
WISCONSIN. SUPERIOR RECORDED A VALUE OF 28.39 INCHES OF MERCURY...OR
961.3 MILLIBARS...ON TUESDAY OCTOBER 26 2010. THIS BROKE THE
PREVIOUS RECORD OF 28.45 INCHES OF MERCURY...OR 963.4
MILLIBARS...SET AT GREEN BAY ON APRIL 3 1982.


THIS SYSTEM ALSO BROUGHT VERY LOW MEAN SEA LEVEL PRESSURE READINGS
TO MILWAUKEE AND MADISON ON TUESDAY OCTOBER 26 2010. MADISON SET ITS
SECOND LOWEST MEAN SEA LEVEL PRESSURE READING ON RECORD...AT 28.80
INCHES OF MERCURY...OR 975.3 MILLIBARS. MILWAUKEE SET ITS SEVENTH
LOWEST MEAN SEA LEVEL PRESSURE READING ON RECORD...AT 28.90 INCHES
OF MERCURY...OR 978.7 MILLIBARS.


THESE VALUES WERE THE LOWEST VALUES EVER RECORDED IN OCTOBER FOR
BOTH SITES.


BELOW IS A LISTING OF THE TOP 7 LOWEST MEAN SEA LEVEL PRESSURE
VALUES RECORDED AT MILWAUKEE AND MADISON...


MILWAUKEE...


TOP 7 LOWEST MEAN SEA LEVEL PRESSURE READINGS...

1. 28.71 INCHES OF MERCURY/972.2 MILLIBARS/APRIL 3 1982.
2. 28.77 INCHES OF MERCURY/974.3 MILLIBARS/FEBRUARY 28 1902.
3. 28.83 INCHES OF MERCURY/976.3 MILLIBARS/DECEMBER 4 1973.
3. 28.83 INCHES OF MERCURY/976.3 MILLIBARS/MARCH 12 1923.
5. 28.85 INCHES OF MERCURY/977.0 MILLIBARS/JANUARY 24 1938.
6. 28.88 INCHES OF MERCURY/978.0 MILLIBARS/NOVEMBER 29 1919.
**7. 28.90 INCHES OF MERCURY/978.7 MILLIBARS/OCTOBER 26 2010.**


MADISON...


TOP 7 LOWEST MEAN SEA LEVEL PRESSURE READINGS...


1. 28.62 INCHES OF MERCURY/969.2 MILLIBARS/APRIL 3 1982.
**2. 28.80 INCHES OF MERCURY/975.3 MILLIBARS/OCTOBER 26 2010.**
3. 28.83 INCHES OF MERCURY/976.3 MILLIBARS/JANUARY 10 1975.
3. 28.83 INCHES OF MERCURY/976.3 MILLIBARS/JANUARY 11 1975.
5. 28.85 INCHES OF MERCURY/977.0 MILLIBARS/MARCH 2 2007.
6. 28.86 INCHES OF MERCURY/977.3 MILLIBARS/FEBRUARY 5 1971.
7. 28.91 INCHES OF MERCURY/979.0 MILLIBARS/DECEMBER 9 2009.
 


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