Damaging Winds and Golf Ball Hail - May 6, 2023

Overview

Several severe thunderstorms developed across much of eastern Iowa and northeast Missouri into portions of northwest Illinois on the evening of May 6, 2023.

An initial supercell developed across northwest Missouri during the early afternoon hours from the remnants of morning storms to the west. This storm moved across much of the state, producing a tornado along its track. North of this storm, the strengthening low-level jet helped to fire additional showers and thunderstorms, mainly along and south of Interstate 80. Storms mainly produce hailed around half an inch to one inch (quarter size), with one storm in particular in eastern Van Buren County producing hail up to golf ball size. Through the evening, storms merged and weakened in intensity, but not before producing some wind damage across northern and central Lee County.

Heavy rain also fell from storms as some remained stationary for long periods of time. Most notably, locations north and east of Fairfield, IA recorded over two inches of rain.

WPC Surface Analysis May 6, 2023

Radar
Storm Reports
Rainfall
Environment

Radar

IEM RADAR LOOP

Storm Reports

Storm Reports 5/6 12pm - 5/7 12pm	SPC Severe Weather Event: May 06, 2023


PRELIMINARY LOCAL STORM REPORT...SUMMARY NATIONAL WEATHER SERVICE QUAD CITIES IA IL ..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON... ..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.... ..REMARKS.. 0123 AM HAIL WAYLAND 41.15N 91.66W 05/07/2023 M1.25 INCH HENRY IA PUBLIC 1247 AM HAIL 2 W CHARLIE HEATH MEMOR 40.58N 91.94W 05/07/2023 E1.25 INCH CLARK MO PUBLIC DELAYED REPORT, PEA TO HALF DOLLAR SIZE HAIL IN 3 ROUNDS OF STORMS. 1120 PM HAIL RIVERSIDE 41.48N 91.58W 05/06/2023 E1.00 INCH WASHINGTON IA BROADCAST MEDIA 1114 PM HAIL 1 E KALONA 41.49N 91.67W 05/06/2023 E0.70 INCH WASHINGTON IA TRAINED SPOTTER CORRECTS PREVIOUS HAIL REPORT FROM 1 E KALONA. 1042 PM HAIL 2 W WELLMAN 41.47N 91.87W 05/06/2023 M1.00 INCH WASHINGTON IA PUBLIC 1041 PM HAIL 2 SW FAIRFIELD 40.98N 92.00W 05/06/2023 M1.25 INCH JEFFERSON IA PUBLIC 1036 PM HAIL 2 SSW ELVASTON 40.36N 91.26W 05/06/2023 M0.88 INCH HANCOCK IL PUBLIC 1034 PM HAIL 3 ESE BATAVIA 40.98N 92.12W 05/06/2023 M1.00 INCH JEFFERSON IA PUBLIC 0959 PM HAIL 1 SE WEST BURLINGTON 40.81N 91.16W 05/06/2023 E0.50 INCH DES MOINES IA TRAINED SPOTTER 0949 PM HAIL 1 W WEST BURLINGTON 40.82N 91.20W 05/06/2023 M1.00 INCH DES MOINES IA PUBLIC 0945 PM TSTM WND DMG 1 S SALEM 40.83N 91.62W 05/06/2023 HENRY IA CO-OP OBSERVER TREES DOWN AND SHINGLES OFF ROOF. 0938 PM HAIL 1 NE SAWYER 40.71N 91.33W 05/06/2023 E0.88 INCH LEE IA TRAINED SPOTTER GRAPE SIZED HAIL. 0938 PM TSTM WND DMG 1 NE SAWYER 40.71N 91.33W 05/06/2023 LEE IA TRAINED SPOTTER 8 INCH DIAMETER LIMBS DOWN. TIME ESTIMATED. 0933 PM HAIL 1 ESE WEST POINT 40.71N 91.44W 05/06/2023 E0.50 INCH LEE IA TRAINED SPOTTER 0932 PM HAIL 1 ESE WEST POINT 40.71N 91.44W 05/06/2023 U0.50 INCH LEE IA PUBLIC REPORT FROM MPING: HALF-INCH (0.50 IN.). 0908 PM HAIL 3 W MOUNT STERLING 40.62N 92.00W 05/06/2023 M0.25 INCH VAN BUREN IA TRAINED SPOTTER 0903 PM HAIL 3 WSW CRAWFORD 40.45N 92.33W 05/06/2023 M1.00 INCH SCOTLAND MO PUBLIC QUARTER SIZED HAIL CURRENTLY FALLING. 0857 PM HAIL 1 N KEOSAUQUA 40.75N 91.96W 05/06/2023 E0.75 INCH VAN BUREN IA 911 CALL CENTER SHERRIFF OFFICE RELAYED REPORT OF PENNY SIZED HAIL AT HIS RESIDENCE NORTH OF KEOSAUQUA. TIME ESTIMATED. 0852 PM HAIL 2 N BENTONSPORT/VERNON 40.77N 91.85W 05/06/2023 M1.75 INCH VAN BUREN IA PUBLIC GOLF BALL SIZE HAIL NOW FALLING AS STORM SEEMS TO BE GROWING IN STRENGTH. 0825 PM HAIL 3 NE DOUDS/LEANDO 40.86N 92.04W 05/06/2023 M1.25 INCH VAN BUREN IA PUBLIC A FEW HALF DOLLAR SIZED HAIL STONES NOW FALLING AT THE TIME OF THIS REPORT. 0817 PM HAIL 1 NNW SELMA 40.88N 92.16W 05/06/2023 M1.00 INCH VAN BUREN IA PUBLIC QUARTER SIZED HAIL NOW FALLING WITH VERY STRONG WIND GUSTS CAUSING MINOR TREE DAMAGE.

Rain Reports

Local Rainfall Map	MRCC Regional Rainfall Map


24 hour precipitation reports (in Inches), for eastern Iowa, northwest and west central Illinois, and northeast Missouri. Reported between Midnight and 9 AM, Sunday May 07, 2023.
....IOWA.... Fairfield 5.7 NNE 2.20 Fort Madison 4.5 NNW 1.40 Donnellson 1.11 Fort Madison 7.7 N 0.93 Fairfield 0.80 Burlington 6.5 SSW 0.69 Wapello 5.4 SE 0.64 Burlington Arpt 0.57 Burlington 2S 0.53 Salem 1S 0.50 Fort Madison 0.9 NE 0.41 Waterloo ASOS 5 NW 0.41 Fayette 1 NW 0.36 Iowa City 2.3 E 0.32 Elkader 6SSW 0.31 Oelwein AWOS 0.28 Iowa City Arpt 0.28 Parnell 0.1 SSW 0.25 Danville 2.9 W 0.19 Mason City 1 NNE 0.17 Iowa City 0.16 Coralville 1.4 S 0.15 Mason City ASOS 6 W 0.12 Newton 1 NE 0.10 Cedar Rapids 2.1 NW 0.06 New London 1.5 SW 0.05 Wellman 4.0 E 0.04 Keokuk LD19 0.03 Wapello 0.2 S 0.02 Davenport 1.0 NE 0.02 Dundee 1.4 NNE 0.02 Guttenberg Dam 10 0.02 Perry 0 W 0.02 Camanche 1.2 W 0.01 Williamsburg 0.6 SW 0.01 Marion 0.4 NNW 0.01 Asbury 0.4 SW 0.01 Independence 0.6 ESE 0.01 Marshalltown 1 NW 0.01 NWS Johnston* 5 NNW 0.01 Davenport Arpt 0.01 Ely 2.0 N 0.00 Marshalltown ASOS 4 N 0.00 Williamsburg 0.00 Muscatine 2N 0.00 Lowden 0.00 Boone 1 SSW 0.00 Yarmouth 1.9 SW 0.00 Muscatine 3.0 NE 0.00 Washington 5.8 SW 0.00 Davenport 0.9 WNW 0.00 Le Claire 1.8 NNE 0.00 Charlotte 1.9 WNW 0.00 Solon 0.4 WNW 0.00 Amana 4.7 W 0.00 Lisbon 0.1 W 0.00 Robins 0.8 SE 0.00 Marion 1.7 NNW 0.00 Mount Auburn 2.2 NNW 0.00 Pella AWOS 2 WSW 0.00 Rathbun Reservoir 2 N 0.00 Ottumwa ASOS 6 NNW 0.00 Centerville 0 NE 0.00 Allerton 2 S 0.00 Oskaloosa AWOS 9 ESE 0.00 Bellevue LD12 0.00 Cedar Rapids Arpt 0.00 Belle Plaine 0.00 Anamosa 3 SSW 0.00 Dubuque LD11 0.00 Washington 0.00 Vinton 0.00 Monticello 1 E 0.00 Dubuque Arpt 0.00 Grinnell AWOS 2 SSW 0.00	....ILLINOIS.... Lincoln NWS 1.19 Stronghurst 0.4 SSW 0.46 Decatur Airport 0.40 Aledo 0.36 Colchester 3.5 NE 0.34 Bentley 0.33 New Boston LD17 0.31 Peoria Arpt 0.27 Quincy Arpt 0.19 St Anne 0.15 Freeport 4.3 W 0.09 Alpha 2.3 N 0.08 Woodhull 0.3 ESE 0.08 Gladstone LD18 0.06 New Windsor 2.0 N 0.05 Romeoville 0.05 Kewanee 1 E 0.03 Joliet Arpt 0.03 Jacksonville Arpt 0.03 Moline 0.7 NNE 0.02 East Dubuque 1.7 SE 0.02 McNabb 1.4 NW 0.01 Mount Carroll 6.8 NNW 0.01 Davis 0.5 N 0.01 Mundelein 0.01 Ill. City LD16 3 WNW 0.01 Fulton LD13 0.01 Winslow 4.3 ESE 0.00 Stockton 3.4 NNE 0.00 Elizabeth 0.00 Rockford Arpt 0.00 Paw Paw 1 E 0.00 Quad City Arpt 0.00 Stockton 3 NNE 0.00 Princeton 1.1 SE 0.00 Walnut 5.3 ENE 0.00 Geneseo 2.0 NW 0.00 Coal Valley 1.9 SE 0.00 Atkinson 2.6 NNE 0.00 Moline 2.5 W 0.00 Coleta 1.4 SSW 0.00 Lena 0.3 SSE 0.00 Freeport 2.9 WSW 0.00 Stockton 4.6 NW 0.00 Freeport 0.00 Ottawa 4 SW 0.00 Augusta 0.00 Steward 0.00 Mendota 2 SE 0.00 Princeton 0.00 Rochelle Arpt 0.00 ....MISSOURI.... Kirksville Arpt 0.57 Columbia Arpt 0.09 Chillicothe Arpt 0.01 ....WISCONSIN.... Prairie du Chien AWOS 0.09 Brodhead 1 SW 0.04 La Crosse WFO 0.03 Viroqua 0.01 Whitewater 0.01 Monroe 1 W 0.01 Sullivan-NWS 2 SE 0.00 Beloit-College 0.00 Madison Arpt 0.00 Allenton-WWTP .6 NW 0.00 Darlington 0.00 ....MINNESOTA.... Theilman 1SSW 0.68 Grand Meadow 0.10

Environment

SPC Severe Weather Event: May 06, 2023

1630Z SPC Day 1 Categorical Outlook	1630Z SPC Day 1 Tornado Outlook	1630Z SPC Day 1 Hail Outlook	1630Z SPC Day 1 Wind Outlook


Mesoscale Discussion 690	Mesoscale Discussion 694	Mesoscale Discussion 699	Mesoscale Discussion 700


	WW 191	WPC MPD 0230

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Damaging Winds and Golf Ball Hail - May 6, 2023