Isolated Heavy Rainfall Afternoon May 26th - Morning May 27th, 2014

During the afternoon of Memorial Day, and overnight into the morning of May 27th, 2014, scattered showers and thunderstorms developed and moved generally south or southeast. While most locations across southeast South Dakota, southwest Minnesota, northwest Iowa, and far northeast Nebraska only received a third of an inch of rain or less, some isolated places picked up more than a half inch. A few spots were dumped with 2 to 4 inches of rain, as heavy rainstorms moved very slowly in parts of northwest Iowa. Here is an interpolated map of rainfall across the area, followed by a text listing of selected precipitation reports through 1030 am:

...LATEST RAINFALL REPORTS...

LOCATION                       AMOUNT    TIME/DATE
HOLLY SPRINGS 1NW              4.40 IN   0700 AM 05/27
HORNICK                        1.98 IN   1000 AM 05/27
1 SW SIOUX CITY                1.61 IN   1000 AM 05/27
SIOUX CITY ANG                 1.41 IN   0600 AM 05/27
3 SSE LAKE PARK                1.12 IN   1030 AM 05/27
1 N MITCHELL                   1.05 IN   0700 AM 05/27
1 SW BROOKINGS                 1.02 IN   0800 AM 05/27
SIOUX GATEWAY AIRPORT          1.01 IN   0652 AM 05/27
MITCHELL                       0.94 IN   1155 PM 05/26
EMERSON                        0.94 IN   0600 AM 05/27
MINNEOTA                       0.92 IN   1006 AM 05/27
VOLGA                          0.90 IN   1030 AM 05/27
2 NNW SIOUX CITY               0.77 IN   1000 AM 05/27
OLDHAM                         0.69 IN   0700 AM 05/27
ORANGE CITY                    0.68 IN   0700 AM 05/27
MITCHELL MUNICIPAL AIRPORT     0.61 IN   0653 AM 05/27
WHITE                          0.51 IN   0700 AM 05/27
MARSHALL MUNICIPAL-RYAN FIELD  0.49 IN   0655 AM 05/27
BATTLE CREEK 3NE               0.47 IN   0800 AM 05/27
MARSHALL                       0.38 IN   0900 AM 05/27
1 ENE WALL LAKE                0.38 IN   0800 AM 05/27
2 N BRUCE                      0.38 IN   0945 AM 05/27
LAKE PARK                      0.35 IN   0800 AM 05/27
WALL LAKE                      0.34 IN   0915 AM 05/27
2 W ARCO                       0.33 IN   1030 AM 05/27
3 WSW SPENCER                  0.31 IN   0945 AM 05/27
1 S MARSHALL                   0.30 IN   0700 AM 05/27
ALTON                          0.30 IN   1000 AM 05/27
5 W SIOUX FALLS                0.29 IN   1022 AM 05/27
SPENCER MUNICIPAL AIRPORT      0.28 IN   0653 AM 05/27
4 SSE WESTFIELD                0.24 IN   1011 AM 05/27
TYLER                          0.23 IN   1027 AM 05/27
EVERLY                         0.22 IN   0700 AM 05/27
1 WNW LAKE BENTON              0.19 IN   1015 AM 05/27
5 N PIPESTONE                  0.19 IN   0930 AM 05/27
PIPESTONE                      0.17 IN   1021 AM 05/27
2 NE BROOKINGS                 0.16 IN   0800 AM 05/27
PETERSON                       0.13 IN   1000 AM 05/27
SIBLEY                         0.12 IN   0700 AM 05/27
3 W SIOUX FALLS                0.12 IN   0945 AM 05/27
VICKS CORNER-SPIRIT LAKE IOWA  0.10 IN   1200 AM 05/27
BROOKINGS                      0.10 IN   0800 AM 05/27
ROCK RAPIDS                    0.10 IN   0800 AM 05/27
7 WNW COLTON                   0.10 IN   1000 AM 05/27
SIOUX FALLS 5SE FSD ARPT       0.09 IN   0700 AM 05/27
4 ESE SIOUX FALLS              0.09 IN   0715 AM 05/27
CORRECTIONVILLE                0.09 IN   1000 AM 05/27
LAKEFIELD                      0.09 IN   0700 AM 05/27
WORTHINGTON                    0.09 IN   0700 AM 05/27
4 NNE TEA                      0.09 IN   1028 AM 05/27
1 NNE ROUND LAKE               0.09 IN   1030 AM 05/27
1 NNE BRANDON                  0.07 IN   0945 AM 05/27
SIOUX FALLS 4.5S FSD ARPT      0.07 IN   0700 AM 05/27
3 WNW EVERLY                   0.07 IN   0700 AM 05/27
SLAYTON MUNICIPAL AIRPORT      0.07 IN   0654 AM 05/27
MARION                         0.06 IN   0700 AM 05/27
ALEXANDRIA                     0.06 IN   0700 AM 05/27
NO. 2                          0.05 IN   0700 AM 05/27
TYNDALL                        0.05 IN   0800 AM 05/27
4 SSE TABOR                    0.05 IN   0800 AM 05/27
HURLEY                         0.05 IN   0600 AM 05/27
7 SSW AURORA                   0.05 IN   0945 AM 05/27
WORTHINGTON MUNICIPAL AIRPORT  0.04 IN   0655 AM 05/27
SIOUX FALLS NWS                0.04 IN   0700 AM 05/27
3 SSW SIOUX FALLS              0.04 IN   1025 AM 05/27
1 NE SIOUX FALLS               0.03 IN   0930 AM 05/27
2 WSW LAKESIDE                 0.03 IN   0900 AM 05/27
SIOUX FALLS                    0.03 IN   0656 AM 05/27
3 NNE PARKER                   0.03 IN   0915 AM 05/27
1 S PUKWANA                    0.03 IN   0700 AM 05/27
5 E CHESTER                    0.03 IN   0700 AM 05/27
CHESTER 2N                     0.03 IN   0700 AM 05/27
LUVERNE                        0.03 IN   0930 AM 05/27
LINN GROVE                     0.02 IN   1000 AM 05/27
SPIRIT LAKE                    0.02 IN   1200 AM 05/27
2 ENE FULTON                   0.02 IN   0700 AM 05/27
WAGNER                         0.02 IN   0700 AM 05/27
3 SSW SIOUX FALLS              0.02 IN   1000 AM 05/27
2 E MADISON                    0.01 IN   0900 AM 05/27
CHEROKEE MUNICIPAL AIRPORT     0.01 IN   0655 AM 05/27
WINFRED 2S                     0.01 IN   0600 AM 05/27
3 S HENDRICKS                  0.01 IN   1015 AM 05/27

OBSERVATIONS ARE COLLECTED FROM A VARIETY OF SOURCES WITH VARYING
EQUIPMENT AND EXPOSURE. NOT ALL DATA LISTED ARE CONSIDERED OFFICIAL.
 


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