Snow and Wind Reports From February 20th Winter Storm

A potent winter storm moved through the Upper Midwest February 20th, bringing a variety of weather hazards. Heavy snow, wintry mix, and even thunderstorms were reported. The image below is a preliminary snow graphic.

Snow

Wind

Check back throughout today for more summaries and updates on this winter storm.

...SNOWFALL REPORTS FROM FEBRUARY 20-21 WINTER STORM...

LOCATION                       AMOUNT    TIME/DATE       LAT/LON

...IOWA...

...ALLAMAKEE...
WAUKON 8NW                     1.0       0747 AM 02/21   43.34N/91.60W

...CHICKASAW...
N. WASHINGTON                  6.0       0755 PM 02/20   43.12N/92.42W
NEW HAMPTON                    6.0       0700 AM 02/21   43.06N/92.31W

...CLAYTON...
1 SW MONONA                    2.1       0700 AM 02/21   43.04N/91.40W
1 ESE GUTTENBERG               0.1       0600 AM 02/21   42.78N/91.10W

...FAYETTE...
1 WNW OELWEIN                  0.5       0500 AM 02/21   42.68N/91.93W
OELWEIN 1E                     0.3       0802 PM 02/20   42.67N/91.92W
1 NW FAYETTE                   0.3       0700 AM 02/21   42.85N/91.82W

...FLOYD...
2 SSE NORA SPRINGS             6.0       0700 AM 02/21   43.11N/92.99W
1 SSE CHARLES CITY             4.6       0700 AM 02/21   43.06N/92.67W
COLWELL                        3.5       0721 PM 02/20   43.16N/92.59W

...HOWARD...
SPRING VALLEY 8SSE             6.5       0759 PM 02/20   43.34N/92.17W
RICEVILLE                      5.1       0806 PM 02/20   43.36N/92.55W
ELMA                           3.8       0728 PM 02/20   43.24N/92.44W
2 NE CRESCO                    2.9       0700 AM 02/21   43.39N/92.09W

...MITCHELL...
SAINT ANSGAR                   7.8       0630 AM 02/21   43.38N/92.92W
ST ANSGAR 7NW                  6.2       0520 PM 02/20   43.44N/93.01W
OSAGE                          4.2       0700 AM 02/21   43.28N/92.81W

...WINNESHIEK...
7 SE LOCUST                    1.0       0647 AM 02/21   43.34N/91.64W
1 ENE DECORAH                  1.0       0715 PM 02/20   43.31N/91.77W
HIGHLANDVILLE                  1.0       0716 PM 02/20   43.45N/91.68W

...MINNESOTA...

...DODGE...
MANTORVILLE 2ESE               9.0       0620 AM 02/21   44.05N/92.72W
KASSON                         8.3       0826 PM 02/20   44.03N/92.75W
HAYFIELD                       7.7       0917 PM 02/20   43.89N/92.85W
2 NE BERNE                     6.5       0739 PM 02/20   44.18N/92.74W
DODGE CENTER                   6.0       0924 PM 02/20   44.03N/92.86W

...FILLMORE...
SPRING VALLEY 3SW              10.5      0819 AM 02/21   43.66N/92.43W
1 NNW SPRING VALLEY            6.6       0700 AM 02/21   43.69N/92.39W
CHERRY GROVE                   5.5       0715 PM 02/20   43.58N/92.28W
LANESBORO                      4.5       0700 AM 02/21   43.72N/91.97W
PETERSON 1S                    3.0       0707 AM 02/21   43.78N/91.82W
PRESTON 1SSE                   2.9       0353 PM 02/20   43.66N/92.08W
HIGHLAND 2SE                   2.8       0820 PM 02/20   43.65N/91.84W
MABEL                          1.0       0730 AM 02/21   43.52N/91.76W

...HOUSTON...
SPRING GROVE 4N                2.8       0700 AM 02/21   43.61N/91.62W
3 WSW LA CRESCENT              1.8       0800 PM 02/20   43.81N/91.36W

...MOWER...
GRAND MEADOW                   10.0      0813 PM 02/20   43.70N/92.56W
LYLE 2NE                       9.5       0749 AM 02/21   43.54N/92.92W
AUSTIN KAAL TV                 8.0       0902 PM 02/20   43.68N/92.95W
1 S AUSTIN                     8.0       0700 AM 02/21   43.65N/92.97W
LE ROY                         7.0       0804 PM 02/20   43.51N/92.51W
ADAMS 2S                       7.0       0729 AM 02/21   43.56N/92.71W

...OLMSTED...
4 W SIMPSON                    9.0       0700 AM 02/21   43.93N/92.48W
4 N STEWARTVILLE               8.8       0554 AM 02/21   43.91N/92.50W
ORONOCO                        8.7       0937 PM 02/20   44.16N/92.54W
3 NE ROCHESTER                 8.0       0600 AM 02/21   44.04N/92.44W
2 W ROCHESTER                  8.0       0717 PM 02/20   44.01N/92.52W
ROCHESTER KTTC TV              7.5       0805 PM 02/20   44.09N/92.51W
1 SE PREDMORE                  7.5       0753 AM 02/21   43.93N/92.32W
3 NE ROCHESTER                 7.0       0916 PM 02/20   44.04N/92.43W
4 W SIMPSON                    7.0       0745 PM 02/20   43.94N/92.48W
2 N VIOLA                      7.0       0700 AM 02/21   44.10N/92.27W
STEWARTVILLE                   6.9       0745 PM 02/20   43.86N/92.49W
2 SW GENOA                     6.5       0700 AM 02/21   44.09N/92.64W

...WABASHA...
4 SSW ZUMBRO FALLS             10.3      0730 AM 02/21   44.24N/92.46W
OAK CENTER                     8.5       0833 AM 02/21   44.35N/92.40W
PLAINVIEW                      7.5       0701 PM 02/20   44.17N/92.17W
READS LANDING 1W               6.0       1037 PM 02/20   44.40N/92.17W
PLAINVIEW                      5.0       0848 PM 02/20   44.16N/92.17W
LAKE CITY                      5.0       0800 AM 02/21   44.44N/92.28W
1 N WABASHA                    4.5       0700 AM 02/21   44.38N/92.05W

...WINONA...
SAINT CHARLES                  6.5       0609 PM 02/20   43.97N/92.06W
WINONA                         5.3       0700 PM 02/20   44.05N/91.66W
3 ESE STOCKTON                 4.5       0811 PM 02/20   44.01N/91.71W
1 NW WHITMAN                   3.5       0700 AM 02/21   44.16N/91.81W
GOODVIEW                       3.3       1027 PM 02/20   44.07N/91.71W
2 NE GOODVIEW                  2.5       0600 AM 02/21   44.09N/91.67W
7 N NODINE                     2.2       0600 AM 02/21   44.00N/91.44W
4 SE DAKOTA                    0.3       0600 AM 02/21   43.87N/91.31W

...WISCONSIN...

...BUFFALO...
ALMA                           5.0       0600 AM 02/21   44.33N/91.92W

...CLARK...
OWEN 2N                        6.3       0800 AM 02/21   44.98N/90.55W
ABBOTSFORD                     2.8       0702 AM 02/21   44.95N/90.32W
NEILLSVILLE 3ESE               1.9       0700 AM 02/21   44.54N/90.53W

...CRAWFORD...
2 NNW CLAYTON                  0.5       0720 AM 02/21   43.41N/90.73W

...GRANT...
LANCASTER                      0.2       0700 AM 02/21   42.85N/90.71W

...JACKSON...
1 NW VAUDREUIL                 3.1       0700 AM 02/21   44.32N/90.83W

...LA CROSSE...
7 ENE BURR OAK                 3.5       0700 AM 02/21   44.07N/90.92W
NWS LA CROSSE                  2.2       0600 AM 02/21   43.82N/91.19W
HOLMEN 4N                      2.0       0716 AM 02/21   44.02N/91.30W
1 N FRENCH ISLAND              1.7       0553 AM 02/21   43.88N/91.26W
WEST SALEM                     1.3       0700 AM 02/21   43.90N/91.09W

...MONROE...
TUNNEL CITY                    2.1       0700 AM 02/21   44.01N/90.57W

...RICHLAND...
2 NW RICHLAND CENTER           0.5       0700 AM 02/21   43.36N/90.42W

...TAYLOR...
MEDFORD                        12.0      0800 AM 02/21   45.13N/90.34W

...TREMPEALEAU...
INDEPENDENCE 3NE               6.0       0855 AM 02/21   44.39N/91.39W
OSSEO                          5.8       0700 AM 02/21   44.58N/91.22W
2 W WHITEHALL                  4.0       0525 AM 02/21   44.37N/91.36W
ARCADIA                        4.0       0811 PM 02/20   44.25N/91.49W
1 WSW IDUNA                    3.0       0645 AM 02/21   44.19N/91.34W
2 WSW GALESVILLE               1.6       0700 AM 02/21   44.07N/91.39W

...VERNON...
1 ESE VIROQUA                  2.0       0700 AM 02/21   43.55N/90.87W
1 E VIROQUA                    1.6       0700 AM 02/21   43.56N/90.88W
LA FARGE                       1.2       0700 AM 02/21   43.57N/90.64W
GENOA                          1.0       0600 AM 02/21   43.57N/91.23W
STODDARD                       0.5       0700 AM 02/21   43.66N/91.22W
1 WSW HILLSBORO                0.2       0700 AM 02/21   43.65N/90.35W
2 WSW HILLSBORO                0.1       0700 AM 02/21   43.63N/90.38W

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



 

...HIGHEST WIND GUSTS FEBRUARY 20-21...

LOCATION                       SPEED     TIME/DATE       LAT/LON

...IOWA...

...CHICKASAW...
2 N IONIA                      50        0915 PM 02/20   43.07N/92.46W
3 SW RICHFIELD                 39        0920 PM 02/20   42.91N/92.10W

...CLAYTON...
MONONA                         30        1209 AM 02/21   43.04N/91.39W
STRAWBERRY POINT               26        0308 PM 02/20   42.68N/91.53W

...FAYETTE...
OELWEIN MUNICIPAL AIRPORT      55        1135 PM 02/20   42.68N/91.97W
2 S FAYETTE                    32        0920 PM 02/20   42.80N/91.80W

...FLOYD...
CHARLES CITY                   56        1115 PM 02/20   43.07N/92.61W
ROCKFORD                       21        1112 PM 02/20   43.05N/92.93W

...MITCHELL...
SAINT ANSGAR                   23        0917 PM 02/20   43.37N/92.92W

...WINNESHIEK...
4 E NORDNESS                   47        1144 PM 02/20   43.25N/91.70W
DECORAH MUNICIPAL AIRPORT      41        0335 AM 02/21   43.28N/91.74W

...MINNESOTA...

...DODGE...
DODGE CENTER AIRPORT           32        1034 PM 02/20   44.02N/92.83W

...FILLMORE...
2 ESE CANTON                   43        0345 AM 02/21   43.51N/91.88W
PRESTON FILLMORE COUNTY AIRPOR 37        0431 AM 02/21   43.68N/92.18W
3 SSW LANESBORO                29        0136 AM 02/21   43.67N/92.00W

...HOUSTON...
4 SSE MOUND PRAIRIE            25        0220 AM 02/21   43.72N/91.44W

...MOWER...
AUSTIN MUNICIPAL AIRPORT       44        0934 PM 02/20   43.66N/92.93W
LE ROY                         23        1013 PM 02/20   43.51N/92.51W

...OLMSTED...
ROCHESTER INTERNATIONAL AIRPOR 51        0738 AM 02/21   43.91N/92.50W
4 NW ROCHESTER                 37        1010 PM 02/20   44.05N/92.53W
MAYO HELIPAD                   30        0353 AM 02/21   44.02N/92.48W
1 SSE STEWARTVILLE             21        0715 AM 02/21   43.84N/92.48W

...WABASHA...
2 SSE KELLOGG                  50        1130 PM 02/20   44.28N/91.99W
1 E LAKE CITY                  24        1152 PM 02/20   44.45N/92.27W
1 ENE WABASHA                  23        1151 PM 02/20   44.38N/92.03W
1 N HAMMOND                    20        0439 PM 02/20   44.24N/92.38W

...WINONA...
1 E RIDGEWAY                   43        0220 AM 02/21   43.91N/91.54W
WINONA MUNICIPAL AIRPORT       30        0418 AM 02/21   44.08N/91.71W

...WISCONSIN...

...ADAMS...
FRIENDSHIP                     21        0359 PM 02/20   43.97N/89.82W

...CLARK...
1 WNW SIDNEY                   33        0635 AM 02/21   44.56N/90.66W

...CRAWFORD...
PRAIRIE DU CHIEN  AIRPORT      44        1155 PM 02/20   43.02N/91.12W
1 SW MOUNT STERLING            39        0210 AM 02/21   43.31N/90.94W
1 WNW PRAIRIE DU CHIEN         34        1210 AM 02/21   43.05N/91.15W
DE SOTO                        24        0551 AM 02/21   43.42N/91.19W

...GRANT...
PLATTEVILLE MUNICIPAL AIRPORT  52        0155 AM 02/21   42.69N/90.44W
2 NE EAST DUBUQUE              43        0157 AM 02/21   42.52N/90.62W
BOSCOBEL AIRPORT               39        0146 AM 02/21   43.16N/90.67W
1 ENE BOSCOBEL                 35        0203 AM 02/21   43.15N/90.68W
TENNYSON                       22        0500 AM 02/21   42.69N/90.70W

...JACKSON...
BLACK RIVER FALLS AREA AIRPORT 37        0335 AM 02/21   44.25N/90.86W
1 E BLACK RIVER FALLS          23        0415 AM 02/21   44.30N/90.83W

...JUNEAU...
VOLK FIELD AIRPORT             43        0256 AM 02/21   43.94N/90.25W
1 E MAUSTON                    37        0205 AM 02/21   43.80N/90.06W
NECEDAH                        36        0348 AM 02/21   44.03N/90.08W
MAUSTON                        33        0252 PM 02/20   43.80N/90.07W
WI NECEDAH 5 WNW               20        0200 AM 02/21   44.06N/90.17W

...LA CROSSE...
LA CROSSE REGIONAL AIRPORT     39        1213 AM 02/21   43.88N/91.26W
WFO LA CROSSE                  37        1200 AM 02/21   43.82N/91.19W
1 SW LA CROSSE                 27        0138 AM 02/21   43.81N/91.25W
1 WSW ONALASKA                 26        1158 PM 02/20   43.88N/91.23W

...MONROE...
4 NNW RIDGEVILLE               40        0209 PM 02/20   43.94N/90.60W
SPARTA/FORT MC COY AIRPORT     37        0221 PM 02/20   43.96N/90.74W
2 N TOMAH                      34        0305 PM 02/20   44.02N/90.50W

...TAYLOR...
MEDFORD TAYLOR COUNTY AIRPORT  33        0615 AM 02/21   45.10N/90.30W
3 NE LUBLIN                    32        0314 AM 02/21   45.11N/90.69W

...TREMPEALEAU...
2 NNE TAMARACK                 43        0512 AM 02/21   44.21N/91.46W

...VERNON...
VIROQUA MUNICIPAL AIRPORT      40        0735 AM 02/21   43.58N/90.90W

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


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