Jan 6-7 Snowfall Totals

During the day on January 6th a strong Alberta clipper dropped out of the northern Plains, spreading snow over the upper Midwest. Snow began across eastern Iowa during the afternoon of the 6th, before spreading east later in the evening.

The system was mainly forced by the upper levels, where dynamics helped to organize the snow into a heavier band from northwest Iowa, to near Muscatine. With a weak surface reflection, winds were also relatively light during the snowfall. This, coupled with temperatures well below normal, yielded snow to liquid ratios in excess of 20:1, and in some cases greater than 25:1. The result was a light, fluffy, and very picturesque snow that piled up quickly. By the morning of the 7th, a dry slot had nosed into parts of the area south of Highway 34, brining an end to accumulating snows until later in the day. This helped to hold final totals down across southeast Iowa, northeast Missouri and extreme western Illinois. With the system pulling off to the east later on the 7th, wrap around snows brought another inch or two of accumulations to some areas before tapering to flurries.

The band of heavier snows persisted in the center of the DVN CWA for the majority of the event, and as a result the highest totals were along and north of a line from Benton and Iowa counties in Iowa, to Mercer county Illinois.

January 6-7, 2010 Snow Storm Totals

 The above map is a 2 day total from our Regional Summary  & CoCoRahs observations, plus the storm totals from the  Local Storm Reports Summary. 

 

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
923 PM CST THU JAN 07 2010


THE REPORTS BELOW ARE SEPARATED INTO SNOW...AND ICE AND SLEET
CATEGORIES...THEN BY AMOUNT...AND ARE NOT NECESSARILY THE
FINAL AMOUNT FOR EACH LOCATION.


SNOW REPORTS LISTED BY AMOUNT

 INCHES  LOCATION                 ST  COUNTY           TIME
 ------  -----------------------  --  --------------   -------
  9.8    BERTRAM                  IA  LINN             0900 PM
  8.7    2 NE FREEPORT            IL  STEPHENSON       0350 PM
  8.5    WNW PARNELL              IA  IOWA             0420 PM
  8.0    7 ESE NICHOLS            IA  MUSCATINE        0653 PM
  8.0    2 W MUSCATINE            IA  MUSCATINE        0645 PM
  8.0    1 W CONESVILLE           IA  MUSCATINE        0640 PM
  7.8    1 NNW ROCK FALLS         IL  WHITESIDE        0353 PM
  7.7    E SOLON                  IA  JOHNSON          0500 PM
  7.5    CHARLOTTE                IA  CLINTON          0705 PM
  7.3    ERIE                     IL  WHITESIDE        0645 PM
  7.3    MOLINE QUAD-CITY AIRPOR  IL  ROCK ISLAND      0555 PM
  7.3    GALENA                   IL  JO DAVIESS       0548 PM
  7.0    INDEPENDENCE             IA  BUCHANAN         0835 PM
  7.0    1 WNW MORRISON           IL  WHITESIDE        0833 PM
  7.0    WELLMAN                  IA  WASHINGTON       0819 PM
  7.0    FREEPORT                 IL  STEPHENSON       0700 PM
  7.0    1 SSE CEDAR RAPIDS       IA  LINN             0700 PM
  7.0    ESE MONMOUTH             IL  WARREN           0430 PM
  7.0    SSE ATKINS               IA  BENTON           0400 PM
  7.0    3 SE CEDAR RAPIDS        IA  LINN             0350 PM
  7.0    STOCKTON                 IL  JO DAVIESS       0330 PM
  6.9    1 WSW SHERRARD           IL  MERCER           0400 PM
  6.8    1 SE VINTON              IA  BENTON           0810 PM
  6.5    2 NE FULTON              IL  WHITESIDE        0545 PM
  6.5    4 WSW MOLINE             IL  ROCK ISLAND      0353 PM
  6.3    ARGO FAY                 IL  CARROLL          0436 PM
  6.2    ERIE                     IL  WHITESIDE        0518 PM
  6.1    3 SSW CENTER JUNCTION    IA  JONES            0619 PM
  6.0    1 W CAMBRIDGE            IL  HENRY            0755 PM
  6.0    MUSCATINE                IA  MUSCATINE        0644 PM
  6.0    SSW STOCKTON             IL  JO DAVIESS       0520 PM
  5.9    5 NW CEDAR RAPIDS        IA  LINN             0800 PM
  5.8    1 SSW CORDOVA            IL  ROCK ISLAND      0530 PM
  5.6    2 NE CALAMUS             IA  CLINTON          0543 PM
  5.3    DUBUQUE REGIONAL AIRPOR  IA  DUBUQUE          0606 PM
  5.3    4 E WHAT CHEER           IA  KEOKUK           0508 PM
  5.3    3 NNE STOCKTON           IL  JO DAVIESS       0420 PM
  5.0    1 SSW MACOMB             IL  MCDONOUGH        0900 PM
  5.0    WASHINGTON               IA  WASHINGTON       0400 PM


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