Tuesday, April 19, 2011

Record Late Snowfall in Green Bay


April 20 Update: The final daily snowfall total for Green Bay was 9.9".

For the ICE AGERS: Some temperature context for this event:

Despite the unseasonable cold of the last few days, the month of April so far has been within 0.7° of the long-term average in Green Bay. On the other hand, the month-to-date precipitation of 3.92" is slightly under 2.5 times the average amount. The season-to-date total of 7.00" is also almost double the average.

Here are some other month-to-date temperature departures from around the rest of Wisconsin:
Oshkosh    +1.5
Wausau -0.6
La Crosse +1.8
Madison +2.6
Marquette +1.6
Milwaukee +0.5
These daily snowfall records for April 19 were also set:
 CITY           SNOWFALL(IN)     OLD RECORD(IN)     YEAR

GREEN BAY(NWS) 9.9 1.5 1898
APPLETON 9.4 0.5 1924...1928
WISCONSIN RAPIDS 6.0 0.5 1982
STURGEON BAY 5.0 2.0 1925...1993
OSHKOSH 4.6 0.2 1953
STEVENS POINT 4.0 T 1914...1922
WAUSAU 1.9 1.5 1898
MERRILL 0.9 0.8 1928
The top 5 seasonal snowfall totals at Green Bay are:
RANK    SNOWFALL       YEARS
1 147.7 INCHES 1887/88
2 103.6 INCHES 1889/90
3 92.4 INCHES 2010/11 [through April 19]
4 87.7 INCHES 2008/09
5 87.4 INCHES 2007/08
Original post:
The National Weather Service reports that today's snowfall at Green Bay, Wisconsin has set a record for so late in the season:
AS OF 9 PM THIS EVENING...8.7 INCHES OF SNOW HAD FALLEN IN GREEN BAY.

THIS IS THE GREATEST DAILY SNOWFALL EVER SO LATE IN THE SEASON.

TODAY`S SNOWFALL BRINGS THE SEASONAL TOTAL TO 91.2 INCHES...WHICH
IS THE THIRD GREATEST SEASONAL TOTAL EVER IN GREEN BAY...AND THE
MOST SINCE THE WINTER OF 1889-1890.
This exceeds by half an inch the 8.2" which fell 4 days later in the month on April 23, 1910. Measurable snow has fallen as late as May 28, when 3" fell in 1947 at Green Bay.

Daily records were also set or tied at Milwaukee and Madison:
A RECORD SNOWFALL OF A TRACE WAS SET AT MILWAUKEE WI ON APRIL 19.
THIS TIES THE OLD RECORD OF A TRACE SET IN 1990.

A RECORD PRECIPITATION OF 1.04 INCHES WAS SET IN MADISON ON
APRIL 19. THE PREVIOUS RECORD WAS 0.93 INCHES IN 1993.

A RECORD SNOWFALL OF 1.3 INCHES WAS SET IN MADISON ON APRIL 19.
THE PREVIOUS SNOWFALL RECORD OF 0.3 INCHES WAS SET IN 1953.

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