Overview
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A unique day of weather unfolded across all of eastern Iowa, northwest Illinois and far northeast Missouri. Strong low pressure developed over the Plains and quickly traversed into the Upper Mississippi River Valley, producing very strong winds and record warmth across the Midwest. All climate sites in our area set new record high temperatures, and either broke or tied all-time record December highs. In addition to the warmth, severe thunderstorms occurred across the area during the evening. Winds were the primary concern, with gusts of 60-80 MPH measured from Benton county into the Quad Cities metro. Several reports of damage were also received, with numerous power outages. |
 Surface Analysis: Weather Prediction Center (WPC) |
Wind Reports:
PUBLIC INFORMATION STATEMENT NATIONAL WEATHER SERVICE QUAD CITIES IA IL 320 AM CST THU DEC 16 2021 ...HIGHEST WIND REPORTS... LOCATION SPEED TIME/DATE LAT/LON WINNEBAGO 86 MPH 0938 PM 12/15 42.35N/90.02W IOWA CITY ARPT 70 MPH 0843 PM 12/15 41.63N/91.55W DUBUQUE 69 MPH 0957 PM 12/15 42.46N/90.77W DUBUQUE ARPT 69 MPH 1130 PM 12/15 42.40N/90.70W INDEPENDENCE ARPT 67 MPH 1155 PM 12/15 42.45N/91.95W 1 NNE AURORA 66 MPH 1255 AM 12/16 42.64N/91.72W CEDAR RAPIDS ARPT 66 MPH 0826 PM 12/15 41.88N/91.72W DAVENPORT ARPT 63 MPH 1231 AM 12/16 41.62N/90.58W MONTICELLO ARPT 63 MPH 1155 PM 12/15 42.22N/91.17W 3 SE MAYSVILLE 63 MPH 1150 PM 12/15 41.60N/90.68W INDEPENDENCE 62 MPH 1200 AM 12/16 42.47N/91.88W BIGGSVILLE 62 MPH 0914 PM 12/15 40.94N/90.85W FAIRBANK 61 MPH 1131 PM 12/15 42.64N/92.05W STANLEY 61 MPH 1131 PM 12/15 42.64N/91.81W BURLINGTON ARPT 61 MPH 0929 PM 12/15 40.77N/91.13W QUAD CITY INTL ARPT 60 MPH 1024 PM 12/15 41.45N/90.52W MOUNT PLEASANT ARPT 60 MPH 0855 PM 12/15 40.95N/91.52W 1 E BRANDON 60 MPH 1230 AM 12/16 42.31N/91.98W UNIVERSITY HEIGHTS (WEATHERS 59 MPH 0850 PM 12/15 41.66N/91.55W ELDRIDGE 59 MPH 1255 AM 12/16 41.64N/90.59W FAIRFIELD ARPT 59 MPH 0855 PM 12/15 41.03N/91.97W STOCKTON 58 MPH 0946 PM 12/15 42.40N/89.99W MARION 58 MPH 0906 PM 12/15 42.08N/91.60W KEOKUK ARPT 58 MPH 0915 PM 12/15 40.47N/91.42W MUSCATINE ARPT 58 MPH 1135 PM 12/15 41.37N/91.15W 2 W UNIVERSITY HEIGHTS 58 MPH 0840 PM 12/15 41.66N/91.60W MAQUOKETA 58 MPH 0950 PM 12/15 42.07N/90.68W 28THAW 58 MPH 0823 PM 12/15 41.90N/91.95W LOWDNW 58 MPH 0928 PM 12/15 41.85N/90.90W NEW LONDON 57 MPH 0930 PM 12/15 40.97N/91.34W CLINTON ARPT 56 MPH 1247 AM 12/16 41.82N/90.32W FORT MADISON ARPT 56 MPH 0915 PM 12/15 40.67N/91.32W 1 W DEWITT 56 MPH 0953 PM 12/15 41.83N/90.57W MARION 55 MPH 1158 PM 12/15 42.10N/91.62W SAVANNA ARPT 55 MPH 0915 PM 12/15 42.05N/90.12W 1 SSE MANCHESTER 55 MPH 1220 AM 12/16 42.47N/91.45W WASHINGTON ARPT 54 MPH 1055 PM 12/15 41.27N/91.67W FREEPORT ARPT 54 MPH 0130 AM 12/16 42.25N/89.58W MACOMB ARPT 54 MPH 0935 PM 12/15 40.52N/90.65W CENTER GROVE 53 MPH 0154 AM 12/16 42.49N/90.73W URBANA 52 MPH 0815 PM 12/15 42.22N/91.88W TIPTON 52 MPH 0630 PM 12/15 41.77N/91.13W ELDRIDGE 52 MPH 1200 AM 12/16 41.65N/90.59W RIVERSIDE 52 MPH 0856 PM 12/15 41.53N/91.62W VINTON ARPT 52 MPH 1135 PM 12/15 42.22N/92.02W 1 N WILLIAMSBURG 52 MPH 0800 PM 12/15 41.69N/92.01W STOCKTON 3 NNE 52 MPH 0900 PM 12/15 42.40N/90.00W FLAGSTAFF CHESHIRE 51 MPH 0816 PM 12/15 41.59N/90.55W MONMOUTH 51 MPH 0955 PM 12/15 40.93N/90.63W 0.6 W LOWDEN (UPR) 51 MPH 0932 PM 12/15 41.86N/90.93W MECHANICSVILLE (UPR) 50 MPH 0905 PM 12/15 41.90N/91.26W
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Storm Reports
| Interactive Storm Report Map (IEM) | SPC Storm Reports | |
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PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1029 PM CST WED DEC 15 2021
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1030 PM TSTM WND DMG FREEPORT 42.30N 89.63W 12/15/2021 STEPHENSON IL TRAINED SPOTTER SPOTTER REPORT A TEN INCH DIAMETER TREE UPROOTED AGAINST A HOUSE.
0949 PM TSTM WND GST 4 SE BLANDINSVILLE 40.51N 90.82W
12/15/2021 M68 MPH MCDONOUGH IL PUBLIC
68 MPH MEASURED WIND GUST.
0940 PM TSTM WND GST 3 SE MAYSVILLE 41.62N 90.68W
12/15/2021 M60 MPH SCOTT IA PUBLIC
0939 PM TSTM WND DMG 1 E HURSTVILLE 42.10N 90.67W
12/15/2021 JACKSON IA PUBLIC
POWER POLES BROKEN.
0938 PM TSTM WND DMG 1 NW MAQUOKETA 42.07N 90.68W
12/15/2021 JACKSON IA PUBLIC
POWER POLES BROKEN.
0930 PM TSTM WND DMG 3 ESE COTTER 41.28N 91.42W
12/15/2021 LOUISA IA AMATEUR RADIO
TREE DOWN ON ROADWAY ABOUT 3 W COLUMBUS
JUNCTION.
0930 PM TSTM WND DMG 3 ESE COTTER 41.28N 91.42W
12/15/2021 LOUISA IA AMATEUR RADIO
TREE DOWN ON ROADWAY ABOUT 3 W OF COLUMBUS
JUNCTION.
0927 PM TSTM WND GST 4 NNE MUSCATINE 41.47N 91.05W
12/15/2021 M60 MPH MUSCATINE IA CO-OP OBSERVER
0925 PM TSTM WND GST LOWDEN 41.86N 90.92W
12/15/2021 M70 MPH CEDAR IA CO-OP OBSERVER
0924 PM TSTM WND DMG 3 NE MUSCATINE 41.46N 91.03W
12/15/2021 MUSCATINE IA PUBLIC
POWER POLES BROKEN.
0922 PM TSTM WND DMG 2 SW WEST BURLINGTON 40.81N 91.20W
12/15/2021 DES MOINES IA TRAINED SPOTTER
SHED BLOWN DOWN AND SKIRTING BLOWN OFF A
MOBILE HOME.
0919 PM TSTM WND DMG 2 NNE DODGEVILLE 40.97N 91.17W
12/15/2021 DES MOINES IA TRAINED SPOTTER
TREE DOWN ON POWER LINES. TIME ESTIMATED BY
RADAR.
0913 PM TSTM WND DMG 2 S FRUITLAND 41.32N 91.13W
12/15/2021 LOUISA IA PUBLIC
PART OF A BUILDING BLOWN INTO THE ROADWAY.
0910 PM TSTM WND GST KEOKUK 40.41N 91.41W
12/15/2021 M60 MPH LEE IA TRAINED SPOTTER
0906 PM TSTM WND GST KEOKUK AIRPORT 40.47N 91.43W
12/15/2021 M58 MPH LEE IA AWOS
0905 PM NON-TSTM WND DMG GOOSE LAKE 41.97N 90.39W
12/15/2021 CLINTON IA PUBLIC
CAR PORT BLOWN OVER.
0903 PM TSTM WND GST 1 SSW FAIRVIEW 42.07N 91.34W 12/15/2021 M59 MPH JONES IA DEPT OF HIGHWAYS DELAYED REPORT. IADOT RWIS. 0900 PM TSTM WND GST 4 E IOWA CITY 41.65N 91.47W 12/15/2021 E70 MPH JOHNSON IA TRAINED SPOTTER POWER OUT. 0857 PM TSTM WND GST 1 ENE TIFFIN 41.71N 91.66W 12/15/2021 E60 MPH JOHNSON IA TRAINED SPOTTER 0855 PM TSTM WND GST MOUNT PLEASANT MUNICIPA 40.95N 91.52W 12/15/2021 M60 MPH HENRY IA AWOS 0854 PM TSTM WND GST 2 SE IOWA CITY 41.64N 91.51W 12/15/2021 M70 MPH JOHNSON IA TRAINED SPOTTER 0852 PM TSTM WND GST IOWA CITY MUNICIPALITY 41.63N 91.55W 12/15/2021 M70 MPH JOHNSON IA ASOS 0852 PM TSTM WND GST 2 SSW WILLIAMSTOWN 41.54N 91.74W 12/15/2021 M64 MPH JOHNSON IA TRAINED SPOTTER
0849 PM TSTM WND DMG GREELEY 42.58N 91.34W 12/15/2021 DELAWARE IA BROADCAST MEDIA HOUSE AND ROOF DAMAGE IN GREELEY AND ONEIDA. 0848 PM TSTM WND DMG 2 NE ROBINSON 42.36N 91.56W 12/15/2021 DELAWARE IA TRAINED SPOTTER SHINGLE DAMAGE REPORTED AS WELL AS OTHER DAMAGE IN THE NEIGHBORHOOD. 0847 PM NON-TSTM WND GST 3 NE MUSCATINE 41.46N 91.03W 12/15/2021 M62 MPH MUSCATINE IA PUBLIC NON-THUNDERSTORM WIND GUST FROM PUBLIC WEATHER STATION. TREE BRANCHES DOWN IN NEIGHBORHOOD. 0845 PM TSTM WND DMG COGGON 42.28N 91.53W 12/15/2021 LINN IA TRAINED SPOTTER TREE DOWN ON HOUSE. TIME ESTIMATED BY RADAR. 0842 PM TSTM WND DMG 2 WNW CORALVILLE 41.70N 91.63W 12/15/2021 JOHNSON IA TRAINED SPOTTER ESTIMATED 70 MPH WIND GUST KNOCKED DOWN A TIN SHED.
0838 PM TSTM WND GST HIAWATHA 42.05N 91.68W 12/15/2021 E80 MPH LINN IA TRAINED SPOTTER CORRECTS THE TIME FROM THE PREVIOUS TSTM WND GST REPORT FROM HIAWATHA. SPOTTERR ESTIMATED WIND GUST OF 80 MPH BUT NO WAS DAMAGE NOTED. ALSO REPORTED SEVERAL 60 MPH GUSTS AROUND THAT TIME FRAME.
0832 PM TSTM WND DMG 1 E TIFFIN 41.71N 91.66W 12/15/2021 JOHNSON IA PUBLIC THUNDERSTORM WINDS THREW TRAMPOLINE AGAINST HOUSE, CAUSING A METAL POLE TO PIERCE THE SIDING AND ENTER THE HOUSE. TIME IS ESTIMATED BY RADAR.
0832 PM TSTM WND GST ATKINS 42.00N 91.86W 12/15/2021 M65 MPH BENTON IA FIRE DEPT/RESCUE
0830 PM TSTM WND DMG 1 WSW WALFORD 41.88N 91.86W 12/15/2021 BENTON IA BROADCAST MEDIA *** 1 FATAL *** SEVERE THUNDERSTORMS WINDS CAUSED A SEMI-TRAILER BLOW-OVER. THE DRIVER WAS THROWN FROM THE VEHICLE AND PRONOUNCED DEAD AT THE SCENE. 0830 PM TSTM WND GST CEDAR RAPIDS MUNICIPALI 41.88N 91.72W 12/15/2021 M66 MPH LINN IA ASOS 0826 PM TSTM WND GST NORWAY 41.90N 91.92W 12/15/2021 M70 MPH BENTON IA PUBLIC REPORT RELAYED BY EM. 0824 PM TSTM WND GST NORWAY 41.90N 91.92W 12/15/2021 E65 MPH BENTON IA TRAINED SPOTTER REPORT RELAYED BY EM. 0820 PM TSTM WND GST 2 SW CHENEY 42.23N 91.96W 12/15/2021 M76 MPH BENTON IA BROADCAST MEDIA
0813 PM TSTM WND DMG STANLEY 42.64N 91.81W 12/15/2021 BUCHANAN IA TRAINED SPOTTER TREE REPORTED DOWN IN STANLEY. TIME ESTIMATED FROM RADAR. 0813 PM TSTM WND DMG 2 SSW CHENEY 42.22N 91.94W 12/15/2021 BENTON IA BROADCAST MEDIA TREE DOWN OVER HIGHWAY 150. 0802 PM TSTM WND GST BLAIRSTOWN 41.91N 92.08W 12/15/2021 E60 MPH BENTON IA FIRE DEPT/RESCUE REPORT RELAYED FROM EM. 0731 PM NON-TSTM WND DMG 2 NW CEDAR RAPIDS 41.99N 91.70W 12/15/2021 LINN IA PUBLIC REPORT FROM MPING: 1-INCH TREE LIMBS BROKEN; SHINGLES BLOWN OFF.
Rain Reports
24 hour precipitation reports (in Inches), for eastern Iowa, northwest and west central Illinois, and northeast Missouri. Reported between Midnight and 9 AM, Thursday December 16, 2021. ....IOWA.... Marshalltown ASOS N 0.49 Guttenberg Dam 10 0.45 Oelwein AWOS 0.43 Manchester 0.42 Waterloo ASOS NW 0.41 Marengo 0.41 NWS Johnston* 5 NNW 0.41 Newton 1 NE 0.40 Ames US 30 2 SSE 0.40 Boone 1 SSW 0.38 Perry 0 W 0.30 Center Point 0.6 NNW 0.28 Mount Auburn 2.2 NNW 0.28 Williamsburg 0.28 Pella 4 N 0.28 Elkader 6SSW 0.27 Marshalltown 1 NW 0.27 Marengo 2.6 SSW 0.26 Fayette 1 NW 0.25 Pella AWOS 2 WSW 0.24 Marion 1.7 NNW 0.22 Beaconsfield 1 NNE 0.18 Oskaloosa 1 NNW 0.18 Marengo 3.6 N 0.15 Sigourney 0.15 Tipton 0.7 N 0.12 Parnell 0.1 SSW 0.12 Calamus 2.0 NE 0.11 Cedar Rapids Arpt 0.09 Ottumwa ASOS NNW 0.08 Dubuque Arpt 0.08 Fairfax 4.0 NW 0.07 Bellevue LD12 0.07 Rathbun Reservoir 2 N 0.06 Muscatine 2.1 N 0.05 Keokuk LD19 0.05 Washington 0.05 North English 0.05 Ainsworth 7.4 N 0.04 Charlotte 1.9 WNW 0.04 Solon 0.3 ESE 0.04 Iowa City Arpt 0.04 Fort Madison 0.9 NE 0.03 Wapello 5.4 SE 0.03 Wapello 0.2 S 0.03 West Branch 2.0 NNW 0.03 Oskaloosa AWOS 9 ESE 0.03 Davenport Arpt 0.03 Dubuque #3 7 SW 0.03 Mt Pleasant 1 SSW 0.02 Monticello 1 E 0.02 Anamosa 3 SSW 0.02 Muscatine 2N 0.02 Burlington Arpt 0.02 North Liberty 0.7 SSW 0.01 Keosauqua 0.01 New London 1.5 SW 0.00 Morning Sun 1.7 E 0.00 Davenport 0.9 WNW 0.00 Camanche 1.2 W 0.00 Mason City 1 NNE 0.00 Burlington 6.5 SSW 0.00 Wellman 4.0 E 0.00 Hampton 1 N 0.00 Columbus Jct 2 SSW 0.00 Dubuque LD11 0.00 Donnellson 0.00 Centerville 0 NE 0.00 Iowa City 0.00 ....ILLINOIS.... Tuscola 0.19 Decatur Airport 0.08 Dallas City 3.0 SSE 0.06 Mundelein 0.06 Windsor 0.06 Augusta 0.06 New Windsor 2.0 N 0.04 Gladstone LD18 0.04 Coal Valley 2.6 E 0.03 Ogden 0.03 Quad City Arpt 0.03 Stronghurst 0.4 SSW 0.02 Winslow 4.3 ESE 0.02 Elizabeth 0.02 New Boston LD17 0.02 Lincoln NWS 0.02 Bentley 0.02 Geneseo 2.0 NW 0.01 Coal Valley 1.9 SE 0.01 Mount Carroll 6.8 NNW 0.01 Freeport 1.7 NW 0.01 Ill. City LD16 3 WNW 0.01 Romeoville 0.01 Bloomington Airport 0.01 Jacksonville 2E 0.01 Joliet 0.01 Colchester 3.5 NE 0.00 Galva 2.7 NE 0.00 Davis 0.5 N 0.00 Prairie City 2S 0.00 Rockford ASOS 0.00 Galesburg 0.00 Peoria ASOS 0.00 Altona 0.00 Aledo 0.00 Princeton 1.1 SE 0.00 Jacksonville AWOS 0.00 Princeton 0.00 Freeport 0.00 Paw Paw 1 E 0.00 Steward 0.00 Rochelle AWOS 0.00 Ottawa 4 SW 0.00 Streator 3 SE 0.00 Kewanee 1 E 0.00 Mendota 2 SE 0.00 Quincy ASOS 0.00 Fulton LD13 0.00 Rock Falls 0.00 ....MISSOURI.... Memphis 0.10 Chillicothe 2 NW 0.09 Kirksville ASOS 0.01 Columbia 0.00 ....WISCONSIN.... Lancaster 4WSW 0.55 La Crosse WFO 0.46 Viroqua 0.45 Prairie du Chien AWOS 0.31 Steuben 4SE 3 NE 0.26
Environment
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| Figure 1: Day 1 Severe Outlook (issued 12/15 636a) |
Figure 2: Day 1 Tornado Outlook (issued 12/15 636a) |
Figure 3: Day 1 Wind Outlook (issued 12/15 636a) |
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| Figure 4: 12z 12/15 DVN Sounding | Figure 5: 00z 12/16 DVN Sounding | Figure 6: 00z 12/16 850mb analysis |
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| Figure 7: 00z 12/16 750mb analysis | Figure 8: 00z 12/16 250mb analysis |
Additional Information
Summaries from other NWS Offices
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