Thursday's Beneficial Rainfall

Several waves of showers and thunderstorms ahead of a strong cold front deposited beneficial rainfall across southern Wisconsin on Thursday.  Hit and miss showers and thunderstorms affected southern Wisconsin Thursday morning.  More widespread thunderstorms swept across southern Wisconsin during the late afternoon and evening. 

The below image depicts the 24 hour rainfall that occurred ending at 4 am CDT this morning.   The heaviest rainfall occurred around Madison and Stoughton northeast into the Beaver Dam area.  Madison set a new record rainfall for September 19th by recording 1.94 inches for the day.  The previous record had been 1.88 inches set in 1931.  An official rainfall observer located 5 miles southwest of the Madison Capitol square reported 2.13 inches for the day.

24 hour rainfall

Another swath of heavy rainfall occurred from around Lone Rock northeast across the Spring Green area to near Portage and Poynette.

Here is a list of 24 hour rainfall amounts ending at 7am for a few locations in southeast Wisconsin. Additional locations across Wisconsin are here.

MKE  : MILWAUKEE            0.53
MSN : MADISON 1.79
Y30W3: MADISON-NORTHEAST 2.36
FLD : FOND DU LAC 0.99
SBM : SHEBOYGAN 0.39
ENW : KENOSHA 0.26
LNR : LONE ROCK 1.51
BEAW3: BEAVER DAM-WWTP 2.00
LODW3: LODI-WWTP 2.22
Y26W3: POYNETTE-3 NE 2.84
SACW3: SAUK CITY-1 SW-WWTP 1.68
BRGW3: BURLINGTON-FOX RIVER 1.25
WWW01: EAST TROY-3 NE 1.81
WWK04: WAUKESHA-2 SW 0.93

Kavinsky/Marquardt
National Weather Service Milwaukee/Sullivan

 

 



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