January 21-22, 2005 Snowfall

Brief Synopsis
A surface low pressure area strengthened over the plains Friday afternoon and moved
rapidly across the Mississippi Valley and Indiana Friday night...reaching Ohio Saturday morning
and eventually the East Coast by Saturday Night. Moisture flowing north ahead of and around the northern
perimeter of the low (which had become more of an inverted trough of low pressure) combined with cold air
in place across the Great Lakes region to produce widespread snowfall. Surface high pressure from Canada
pushed into the north central states Friday night and early Saturday in the wake of the departing low. The
tight pressure gradient between the high and low pressure generated strong winds that gusted to around 40
mph at times. This caused considerable blowing and drifting snow on Saturday with significantly reduced
visibilities.
Northeast winds along Lake Michigan added and additional 2 to 4 inches of snow to the the lakeside counties
due to lake effect snow showers.
Two Day Snowfall Totals For Southern Wisconsin Only
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0600 PM SNOW RACINE 42.73N 87.81W
01/22/2005 12.0 INCH RACINE WI CO-OP OBSERVER
0600 PM SNOW BURLINGTON 42.68N 88.28W
01/22/2005 11.0 INCH RACINE WI CO-OP OBSERVER
0600 PM SNOW 1 NW WATERFORD 42.77N 88.23W
01/22/2005 12.8 INCH RACINE WI CO-OP OBSERVER
0600 PM SNOW 2 W GENOA CITY 42.50N 88.36W
01/22/2005 10.2 INCH WALWORTH WI CO-OP OBSERVER
0600 PM SNOW MILLARD 42.73N 88.62W
01/22/2005 7.4 INCH WALWORTH WI CO-OP OBSERVER
0600 PM SNOW DELAVAN 42.63N 88.63W
01/22/2005 6.0 INCH WALWORTH WI CO-OP OBSERVER
0600 PM SNOW WEST ALLIS 43.01N 88.03W
01/22/2005 13.5 INCH MILWAUKEE WI CO-OP OBSERVER
0600 PM SNOW MILWAUKEE 43.06N 87.97W
01/22/2005 11.4 INCH MILWAUKEE WI CO-OP OBSERVER
MITCHELL INTERNATIONAL AIRPORT
0600 PM SNOW WAUWATOSA 43.06N 88.03W
01/22/2005 12.5 INCH MILWAUKEE WI CO-OP OBSERVER
0600 PM SNOW BROWN DEER 43.17N 87.97W
01/22/2005 15.0 INCH MILWAUKEE WI CO-OP OBSERVER
0600 PM SNOW 2 W WAUKESHA 43.01N 88.28W
01/22/2005 11.0 INCH WAUKESHA WI NWS EMPLOYEE
0600 PM SNOW NORTH PRAIRIE 42.94N 88.40W
01/22/2005 10.5 INCH WAUKESHA WI CO-OP OBSERVER
0600 PM SNOW 4 S WAUKESHA 42.95N 88.24W
01/22/2005 13.3 INCH WAUKESHA WI CO-OP OBSERVER
0600 PM SNOW WAUKESHA 43.01N 88.24W
01/22/2005 10.0 INCH WAUKESHA WI CO-OP OBSERVER
0600 PM SNOW OCONOMOWOC 43.11N 88.50W
01/22/2005 8.0 INCH WAUKESHA WI CO-OP OBSERVER
0600 PM SNOW MERTON 43.14N 88.31W
01/22/2005 6.8 INCH WAUKESHA WI CO-OP OBSERVER
0600 PM SNOW CEDARBURG 43.30N 87.99W
01/22/2005 11.3 INCH OZAUKEE WI CO-OP OBSERVER
0600 PM SNOW PORT WASHINGTON 43.39N 87.88W
01/22/2005 7.5 INCH OZAUKEE WI CO-OP OBSERVER
0600 PM SNOW WEST BEND 43.42N 88.18W
01/22/2005 8.5 INCH WASHINGTON WI CO-OP OBSERVER
0600 PM SNOW 1 SSW PALMYRA 42.87N 88.60W
01/22/2005 10.5 INCH JEFFERSON WI NWS EMPLOYEE
0600 PM SNOW GLENDALE 43.14N 87.94W
01/22/2005 12.0 INCH MILWAUKEE WI NWS EMPLOYEE
0600 PM SNOW GREENDALE 42.94N 88.00W
01/22/2005 11.0 INCH MILWAUKEE WI NWS EMPLOYEE
0600 PM SNOW 1 N JEFFERSON 43.02N 88.81W
01/22/2005 8.0 INCH JEFFERSON WI NWS EMPLOYEE
0600 PM SNOW CROSS PLAINS 43.11N 89.65W
01/22/2005 8.8 INCH DANE WI TRAINED SPOTTER
0600 PM SNOW GREENFIELD 42.96N 88.01W
01/22/2005 13.0 INCH MILWAUKEE WI CO-OP OBSERVER
0600 PM SNOW 1 NW KENOSHA 42.59N 87.87W
01/22/2005 15.0 INCH KENOSHA WI CO-OP OBSERVER
0600 PM SNOW BROOKFIELD 43.06N 88.12W
01/22/2005 14.5 INCH WAUKESHA WI CO-OP OBSERVER
0600 PM SNOW 3 SE WAUKESHA 42.98N 88.20W
01/22/2005 13.7 INCH WAUKESHA WI CO-OP OBSERVER
0600 PM SNOW PLEASANT PRAIRIE 42.52N 87.88W
01/22/2005 12.0 INCH KENOSHA WI CO-OP OBSERVER
0600 PM SNOW MUKWONAGO 42.87N 88.33W
01/22/2005 13.0 INCH WAUKESHA WI CO-OP OBSERVER
0600 PM SNOW 2 SE PLEASANT PRAIRIE 42.50N 87.85W
01/22/2005 12.5 INCH KENOSHA WI CO-OP OBSERVER
0600 PM SNOW 1 E BURLINGTON 42.68N 88.26W
01/22/2005 13.2 INCH RACINE WI CO-OP OBSERVER
0600 PM SNOW 1 N BIG BEND 42.90N 88.20W
01/22/2005 11.5 INCH WAUKESHA WI CO-OP OBSERVER
0600 PM SNOW 1 E WEST ALLIS 43.01N 88.01W
01/22/2005 12.5 INCH MILWAUKEE WI CO-OP OBSERVER
0600 PM SNOW 2 NW MILWAUKEE 43.08N 87.99W
01/22/2005 16.0 INCH MILWAUKEE WI CO-OP OBSERVER
0600 PM SNOW RIPON 43.85N 88.84W
01/22/2005 10.8 INCH FOND DU LAC WI CO-OP OBSERVER
0600 PM SNOW 4 SW KENOSHA 42.54N 87.91W
01/22/2005 14.5 INCH KENOSHA WI CO-OP OBSERVER
0600 PM SNOW TWIN LAKES 42.52N 88.26W
01/22/2005 10.0 INCH KENOSHA WI CO-OP OBSERVER
0600 PM SNOW PADDOCK LAKE 42.57N 88.10W
01/22/2005 12.0 INCH KENOSHA WI CO-OP OBSERVER
0600 PM SNOW UNION GROVE 42.68N 88.05W
01/22/2005 14.0 INCH RACINE WI CO-OP OBSERVER
0600 PM SNOW HUSTISFORD 43.35N 88.60W
01/22/2005 8.0 INCH DODGE WI CO-OP OBSERVER
0600 PM SNOW 7 WNW POYNETTE 43.43N 89.54W
01/22/2005 6.7 INCH COLUMBIA WI CO-OP OBSERVER
0600 PM SNOW 3 SE PORTAGE 43.52N 89.42W
01/22/2005 7.0 INCH COLUMBIA WI CO-OP OBSERVER
0600 PM SNOW ARGYLE 42.70N 89.87W
01/22/2005 10.0 INCH LAFAYETTE WI CO-OP OBSERVER
0600 PM SNOW BLANCHARDVILLE 42.81N 89.86W
01/22/2005 9.0 INCH LAFAYETTE WI CO-OP OBSERVER
0600 PM SNOW 2 N DODGEVILLE 42.99N 90.13W
01/22/2005 13.2 INCH IOWA WI CO-OP OBSERVER
0600 PM SNOW BARABOO 43.47N 89.74W
01/22/2005 7.5 INCH SAUK WI CO-OP OBSERVER
0600 PM SNOW 1 NNE REEDSBURG 43.55N 89.99W
01/22/2005 8.5 INCH SAUK WI CO-OP OBSERVER
0600 PM SNOW LA VALLE 43.58N 90.13W
01/22/2005 8.0 INCH SAUK WI CO-OP OBSERVER
0600 PM SNOW SHEBOYGAN 43.75N 87.73W
01/22/2005 8.5 INCH SHEBOYGAN WI CO-OP OBSERVER
0600 PM SNOW ELKHART LAKE 43.83N 88.01W
01/22/2005 9.1 INCH SHEBOYGAN WI CO-OP OBSERVER
0600 PM SNOW HAVEN 43.85N 87.75W
01/22/2005 8.0 INCH SHEBOYGAN WI AMATEUR RADIO
0600 PM SNOW 2 SW FOND DU LAC 43.75N 88.47W
01/22/2005 7.5 INCH FOND DU LAC WI CO-OP OBSERVER
0600 PM SNOW TAYCHEEDAH 43.81N 88.40W
01/22/2005 7.0 INCH FOND DU LAC WI CO-OP OBSERVER
0600 PM SNOW NORTH FOND DU LAC 43.81N 88.48W
01/22/2005 7.0 INCH FOND DU LAC WI CO-OP OBSERVER
0600 PM SNOW 6 N OXFORD 43.87N 89.56W
01/22/2005 6.3 INCH MARQUETTE WI CO-OP OBSERVER
0600 PM SNOW SHOREWOOD 43.09N 87.89W
01/22/2005 12.0 INCH MILWAUKEE WI PUBLIC
0600 PM SNOW BROWN DEER 43.17N 87.97W
01/22/2005 15.0 INCH MILWAUKEE WI COUNTY OFFICIAL
0600 PM SNOW SHOREWOOD 43.09N 87.89W
01/22/2005 12.0 INCH MILWAUKEE WI PUBLIC
0600 PM SNOW SUSSEX 43.14N 88.22W
01/22/2005 12.0 INCH WAUKESHA WI PUBLIC
0600 PM SNOW 7 SW MADISON 43.01N 89.49W
01/22/2005 11.0 INCH DANE WI PUBLIC
0600 PM SNOW MOUNT HOREB 43.01N 89.73W
01/22/2005 10.5 INCH DANE WI PUBLIC
0600 PM SNOW CROSS PLAINS 43.11N 89.65W
01/22/2005 8.8 INCH DANE WI TRAINED SPOTTER
0600 PM SNOW RICHFIELD 43.26N 88.19W
01/22/2005 9.0 INCH WASHINGTON WI CO-OP OBSERVER
0600 PM SNOW 1 N SUN PRAIRIE 43.20N 89.23W
01/22/2005 9.0 INCH DANE WI TRAINED SPOTTER
0600 PM SNOW JACKSON 43.32N 88.16W
01/22/2005 10.0 INCH WASHINGTON WI CO-OP OBSERVER
0600 PM SNOW GERMANTOWN 43.24N 88.12W
01/22/2005 8.6 INCH WASHINGTON WI CO-OP OBSERVER
0600 PM SNOW BELOIT 42.52N 89.02W
01/22/2005 8.0 INCH ROCK WI CO-OP OBSERVER
0600 PM SNOW AFTON 42.60N 89.07W
01/22/2005 7.5 INCH ROCK WI CO-OP OBSERVER
0600 PM SNOW JANESVILLE 42.68N 89.02W
01/22/2005 9.0 INCH ROCK WI CO-OP OBSERVER
0600 PM SNOW MONROE 42.60N 89.64W
01/22/2005 8.2 INCH GREEN WI CO-OP OBSERVER
0600 PM SNOW BRODHEAD 42.62N 89.38W
01/22/2005 9.7 INCH GREEN WI CO-OP OBSERVER
0600 PM SNOW WHITEWATER 42.83N 88.74W
01/22/2005 9.0 INCH WALWORTH WI CO-OP OBSERVER
0600 PM SNOW ROME 42.98N 88.63W
01/22/2005 10.0 INCH JEFFERSON WI AMATEUR RADIO
0600 PM SNOW WATERTOWN 43.19N 88.72W
01/22/2005 8.0 INCH JEFFERSON WI TRAINED SPOTTER
0600 PM SNOW 3 SE SULLIVAN 42.98N 88.55W
01/22/2005 10.0 INCH JEFFERSON WI OFFICIAL NWS OBS
0600 PM SNOW LAKE MILLS 43.07N 88.91W
01/22/2005 10.0 INCH JEFFERSON WI CO-OP OBSERVER
0600 PM SNOW FORT ATKINSON 42.93N 88.84W
01/22/2005 7.8 INCH JEFFERSON WI CO-OP OBSERVER
0600 PM SNOW JEFFERSON 43.01N 88.81W
01/22/2005 10.5 INCH JEFFERSON WI CO-OP OBSERVER
0600 PM SNOW COTTAGE GROVE 43.08N 89.20W
01/22/2005 6.0 INCH DANE WI CO-OP OBSERVER
0600 PM SNOW MADISON 43.08N 89.39W
01/22/2005 7.2 INCH DANE WI OFFICIAL NWS OBS
MADISON TRUAX FIELD
0600 PM SNOW MIDDLETON 43.10N 89.51W
01/22/2005 7.4 INCH DANE WI CO-OP OBSERVER
0600 PM SNOW 4 NNE SUN PRAIRIE 43.24N 89.20W
01/22/2005 7.0 INCH DANE WI CO-OP OBSERVER
0600 PM SNOW MORRISONVILLE 43.28N 89.36W
01/22/2005 8.0 INCH DANE WI CO-OP OBSERVER
0600 PM SNOW JUNEAU 43.41N 88.70W
01/22/2005 11.0 INCH DODGE WI CO-OP OBSERVER
0600 PM SNOW HORICON 43.44N 88.64W
01/22/2005 8.7 INCH DODGE WI CO-OP OBSERVER
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