Overview (Updated 8/1/23)
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Event Summary
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Surface Analysis (WPC) |
Fast Facts Infographic | Observed Maximum Wind Gusts Infographic |
Tornadoes
Tornado #1 - Clinton, IA
Track Map Downloadable KMZ File |
The Enhanced Fujita (EF) Scale classifies tornadoes into the following categories:
EF0 Weak 65-85 mph |
EF1 Moderate 86-110 mph |
EF2 Significant 111-135 mph |
EF3 Severe 136-165 mph |
EF4 Extreme 166-200 mph |
EF5 Catastrophic 200+ mph |
Photos & Video
Lena, IL (Brandon McGrew) |
Morrison, IL (Ben Gooley) |
Clinton, IA (David French) |
Clinton, IA (David French) |
Lena, IL (Brandon McGrew) |
Lena, IL (Brandon McGrew) |
Lena, IL (Brandon McGrew) |
Andrew, IA (NWS Storm Survey) |
Delaware County, IA (Jeff Elliot) |
Caption (source) |
Caption (source) |
Caption (source) |
Storm Reports
Storm Reports 7/28 | SPC Severe Weather Event: July 28, 2023 | ||
Preliminary Local Storm Report...Summary National Weather Service Quad Cities IA IL 516 AM CDT Sat Jul 29 2023 ..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON... ..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.... ..REMARKS.. 0716 PM Tstm Wnd Gst 1 WSW Independence 42.48N 91.89W 07/28/2023 M70 MPH Buchanan IA Mesonet Corrects previous tstm wnd gst report from 1 N Independence. reported on Davis weather station. 0735 PM Tstm Wnd Dmg Jesup 42.48N 92.07W 07/28/2023 Buchanan IA Trained Spotter several 6 inch diameter trees down. 0735 PM Tstm Wnd Gst Jesup 42.48N 92.07W 07/28/2023 E60 MPH Buchanan IA Trained Spotter 0739 PM Hail 1 S Edmore 42.53N 90.68W 07/28/2023 M1.00 inch Dubuque IA Broadcast Media Reported at Dubuque County Fairgrounds. 0740 PM Hail 1 NE Rockdale 42.48N 90.67W 07/28/2023 M0.88 inch Dubuque IA Trained Spotter South side of Dubuque near Highway 61. 0740 PM Tstm Wnd Gst 1 SW Vinton 42.15N 92.04W 07/28/2023 M53 MPH Benton IA Mesonet 0745 PM Hail Mount Auburn 42.26N 92.09W 07/28/2023 E0.88 inch Benton IA Trained Spotter 0749 PM Tstm Wnd Gst Manchester 42.49N 91.46W 07/28/2023 E70 MPH Delaware IA Trained Spotter 0753 PM Tstm Wnd Gst Ryan 42.35N 91.48W 07/28/2023 M61 MPH Delaware IA Emergency Mngr 0758 PM Tstm Wnd Gst Palo 42.06N 91.80W 07/28/2023 E70 MPH Linn IA Public 0759 PM Tstm Wnd Gst Atkins 42.00N 91.86W 07/28/2023 E60 MPH Benton IA Public 0800 PM Tstm Wnd Dmg Ryan 42.36N 91.48W 07/28/2023 Delaware IA Emergency Mngr Corrects previous tstm wnd dmg report from Ryan. Outbuilding damage in Ryan. 0802 PM Tstm Wnd Gst 2 SSW Midway 42.08N 91.71W 07/28/2023 M82 MPH Linn IA Trained Spotter 0804 PM Tstm Wnd Gst 2 WNW Marion 42.04N 91.63W 07/28/2023 E65 MPH Linn IA Trained Spotter 0805 PM Tstm Wnd Gst Hiawatha 42.05N 91.68W 07/28/2023 E90 MPH Linn IA Trained Spotter 0807 PM Tstm Wnd Dmg 4 W Cedar Rapids 41.96N 91.74W 07/28/2023 Linn IA Public Tree limbs broken; Power poles broken, shingles blown off part of the roof. 0809 PM Tstm Wnd Dmg 2 WNW Marion 42.04N 91.62W 07/28/2023 Linn IA Public Report from mPING: 1-inch tree limbs broken; Shingles blown off. 0810 PM Tstm Wnd Gst Cedar Rapids 41.98N 91.68W 07/28/2023 M58 MPH Linn IA Dept of Highways IADOT RWIS. 0810 PM Tstm Wnd Gst 3 NNE Cedar Rapids 42.01N 91.66W 07/28/2023 E80 MPH Linn IA Trained Spotter trees limbs down.. power out... 0810 PM Tstm Wnd Gst Cedar Rapids 41.98N 91.67W 07/28/2023 M75 MPH Linn IA Mesonet Mesonet station RCDI4 in Cedar Rapids along I-380. 0811 PM Tstm Wnd Gst Hiawatha 42.05N 91.68W 07/28/2023 E90 MPH Linn IA Trained Spotter 90 mph winds lasting 6 minutes and still ongoing. Zero visibility. 0815 PM Tstm Wnd Gst Marion 42.03N 91.59W 07/28/2023 M66 MPH Linn IA Mesonet 0816 PM Tstm Wnd Gst Cedar Rapids Airport 41.89N 91.71W 07/28/2023 M69 MPH Linn IA ASOS 0818 PM Tstm Wnd Gst 1 SSW Fairview 42.07N 91.34W 07/28/2023 M58 MPH Jones IA Dept of Highways IADOT RWIS. 0818 PM Tstm Wnd Dmg Monticello 42.24N 91.19W 07/28/2023 Jones IA Law Enforcement Several trees and numerous large branches downed across town. 0820 PM Tstm Wnd Gst 3 E Cedar Rapids 41.97N 91.61W 07/28/2023 M72 MPH Linn IA Trained Spotter 0820 PM Tstm Wnd Dmg 2 ENE Marion 42.04N 91.56W 07/28/2023 Linn IA Trained Spotter damage to mobile homes. 0820 PM Tstm Wnd Gst Marion 42.04N 91.59W 07/28/2023 E90 MPH Linn IA Trained Spotter 0822 PM Tstm Wnd Gst Martelle 42.02N 91.36W 07/28/2023 M95 MPH Jones IA Broadcast Media Relayed from a public viewer measured on their personal weather station. 0822 PM Tstm Wnd Gst 2 NNW Lisbon 41.94N 91.40W 07/28/2023 M65 MPH Linn IA Mesonet Mesonet station DVI09350. 0823 PM Tstm Wnd Dmg Anamosa 42.11N 91.28W 07/28/2023 Jones IA Law Enforcement Multiple trees downed. 0824 PM Tstm Wnd Dmg 2 ENE Cedar Rapids 41.99N 91.64W 07/28/2023 Linn IA Public Report from mPING: 3-inch tree limbs broken; Power poles broken. 0828 PM Tstm Wnd Gst 2 S Mc Connell 42.40N 89.74W 07/28/2023 E80 MPH Stephenson IL Trained Spotter 0835 PM Tstm Wnd Dmg Wyoming 42.06N 91.00W 07/28/2023 Jones IA Law Enforcement Powerlines downed througout town, including one onto a mobile home. 0838 PM Tstm Wnd Dmg 2 S Mc Connell 42.40N 89.74W 07/28/2023 Stephenson IL Trained Spotter Large tree branch blown down on a boat. 0839 PM Tstm Wnd Gst Lowden 41.86N 90.92W 07/28/2023 E71 MPH Cedar IA Mesonet union pacific railroad mesonet station. 0840 PM Tstm Wnd Dmg Clarence 41.88N 91.06W 07/28/2023 Cedar IA Law Enforcement Large tree downed on 5th Avenue on the south side of town. 0840 PM Tstm Wnd Dmg Swisher 41.84N 91.70W 07/28/2023 Johnson IA Public Several trees down in town, time estimated from radar. 0841 PM Tornado Andrew 42.15N 90.59W 07/28/2023 Jackson IA Broadcast Media Confirmed tornado by TV6 employee crossed Highway 61 near Andrew. 0841 PM Tstm Wnd Dmg Monticello 42.24N 91.19W 07/28/2023 Jones IA Public Corrects previous tstm wnd dmg report from Monticello. Trees down throughout town. 0842 PM Tstm Wnd Gst 1 E Dubuque Regional Ar 42.40N 90.70W 07/28/2023 M69 MPH Dubuque IA ASOS Corrects previous tstm wnd gst report from 1 E Dubuque Regional Arpt. 0848 PM Tstm Wnd Dmg Tipton 41.77N 91.13W 07/28/2023 Cedar IA Law Enforcement Numerous trees downed across town. 0849 PM Tstm Wnd Gst 3 N Zwingle 42.34N 90.69W 07/28/2023 M59 MPH Dubuque IA Emergency Mngr 0850 PM Tstm Wnd Gst 2 NNW Bennett 41.77N 90.99W 07/28/2023 M65 MPH Cedar IA Mesonet Mesonet station DVI11039. 0851 PM Tstm Wnd Gst Freeport 42.29N 89.63W 07/28/2023 E60 MPH Stephenson IL Trained Spotter 0851 PM Tstm Wnd Dmg 2 ENE Red Oak 42.41N 89.63W 07/28/2023 Stephenson IL Public Report from mPING: Trees uprooted or snapped; Roof blown off, time estimated from radar. 0855 PM Tstm Wnd Gst 1 ESE Wilton 41.59N 91.01W 07/28/2023 E60 MPH Muscatine IA Trained Spotter 0856 PM Tstm Wnd Dmg Freeport 42.29N 89.64W 07/28/2023 Stephenson IL Trained Spotter several 5 inch diameter tree limbs down near intersection of Harlem and Empire, time estimated from radar. 0856 PM Tstm Wnd Dmg Wheatland 41.83N 90.84W 07/28/2023 Clinton IA Law Enforcement Trees and powerlines downed. 0858 PM Tstm Wnd Dmg Andrew 42.15N 90.59W 07/28/2023 Jackson IA Fire Dept/Rescue Trees down Highway 62 in Andrew. Possible tornado. 0900 PM Tstm Wnd Dmg Galena 42.42N 90.43W 07/28/2023 Jo Daviess IL Public Several trees down within the county, with trees down over wires in Galena. Time estimated from radar. 0905 PM Tstm Wnd Dmg Maquoketa 42.07N 90.67W 07/28/2023 Jackson IA Trained Spotter 3 - 4 inch limbs down in City of Maquoketa. 0905 PM Tstm Wnd Dmg 4 SE Shueyville 41.81N 91.59W 07/28/2023 Johnson IA Emergency Mngr Several trees down at Sandy Beach Campground. Time estimated from radar. 0906 PM Rain 1 NE Fairfax 41.93N 91.76W 07/28/2023 M2.08 inch Linn IA Trained Spotter 0907 PM Tstm Wnd Dmg 4 N Sweetland Center 41.55N 90.97W 07/28/2023 Muscatine IA Public Report from mPING: 1-inch tree limbs broken; Shingles blown off. 0908 PM Tstm Wnd Dmg 1 SW Green Island 42.15N 90.33W 07/28/2023 Jackson IA Law Enforcement Large tree downed. 0912 PM Tstm Wnd Gst Davenport Municipality 41.62N 90.58W 07/28/2023 M58 MPH Scott IA ASOS DVN ASOS. 0913 PM Tstm Wnd Dmg Marion 42.04N 91.59W 07/28/2023 Linn IA Law Enforcement Updates previous report from Marion. Many large branches downed as well as some wired downed. 0914 PM Tstm Wnd Dmg 1 SW Lena 42.37N 89.83W 07/28/2023 Stephenson IL Public Report from mPING: 1-inch tree limbs broken; Shingles blown off. 0915 PM Tstm Wnd Dmg 1 N Park View 41.70N 90.54W 07/28/2023 Scott IA Public Report from mPING: 1-inch tree limbs broken; Shingles blown off. 0916 PM Rain Nora 42.46N 89.94W 07/28/2023 M2.25 inch Jo Daviess IL Trained Spotter rainfall since 8 pm. 0919 PM Tstm Wnd Dmg Clinton 41.84N 90.23W 07/28/2023 Clinton IA Law Enforcement Trees down throughout the city. 0919 PM Tstm Wnd Dmg Low Moor 41.80N 90.35W 07/28/2023 Clinton IA Law Enforcement Trees and powerlines downed. 0922 PM Tstm Wnd Gst Colona 41.49N 90.35W 07/28/2023 E60 MPH Henry IL Trained Spotter Time estimated from radar. 0923 PM Tstm Wnd Dmg Fulton 41.87N 90.16W 07/28/2023 Whiteside IL Law Enforcement Scattering of trees downed. 0925 PM Tstm Wnd Dmg 1 NNE Coyne Center 41.41N 90.56W 07/28/2023 Rock Island IL Trained Spotter Tree down on Coyne Center Rd near trailer park, time estimated from radar. 0925 PM Tstm Wnd Dmg 2 NE Pleasant Valley 41.58N 90.39W 07/28/2023 Scott IA Public Report from mPING: 3-inch tree limbs broken; Power poles broken, time estimated from radar. 0926 PM Tstm Wnd Dmg 2 NE Hillsdale 41.63N 90.15W 07/28/2023 Whiteside IL Public Report from mPING: 1-inch tree limbs broken; Shingles blown off. 0931 PM Rain Hanover 42.25N 90.27W 07/28/2023 M3.65 inch Jo Daviess IL Trained Spotter Rainfall in past 24 hrs, 2 inches in past hour. 0931 PM Rain 1 NE Rockdale 42.48N 90.67W 07/28/2023 E3.00 inch Dubuque IA Trained Spotter Started at 6pm. 0933 PM Tstm Wnd Gst 4 SW Williamsburg 41.63N 92.06W 07/28/2023 E70 MPH Iowa IA Emergency Mngr time estimated from radar. 0940 PM Hail 4 SW Williamsburg 41.63N 92.05W 07/28/2023 E0.88 inch Iowa IA Emergency Mngr 0945 PM Tstm Wnd Dmg 1 WNW Atkinson 41.42N 90.03W 07/28/2023 Henry IL Emergency Mngr Multiple power lines and tree limbs down between Geneseo and Annawan. 0954 PM Tstm Wnd Gst 4 E Yorktown 41.57N 89.78W 07/28/2023 M50 MPH Bureau IL Mesonet 1004 PM Tstm Wnd Dmg Walnut 41.56N 89.59W 07/28/2023 Bureau IL Law Enforcement Large limbs down. 1032 PM Tstm Wnd Dmg 1 N Muscatine 41.43N 91.07W 07/28/2023 Muscatine IA Fire Dept/Rescue Tree downed onto a power line and likely a cause of a house catching fire. 1040 PM Tstm Wnd Dmg Hennepin 41.26N 89.32W 07/28/2023 Putnam IL Public 8 inch tree snapped near sheriff office, 2-3 inch tree limbs down. Time estimated from radar. 1200 AM Rain Dubuque Regional Arpt 42.40N 90.70W 07/29/2023 M2.53 inch Dubuque IA ASOS ASOS station KDBQ July 28th evening total. 1200 AM Rain 1 WNW Galena Territory 42.41N 90.35W 07/29/2023 M3.05 inch Jo Daviess IL Mesonet Mesonet station CW7485 July 28th evening total.
Rain Reports
Local Rainfall Map | MRCC Regional Rainfall Map |
....IOWA.... Dubuque Arpt 2.53 Dubuque #3 7 SW 1.88 Dubuque 1.0 SE 1.51 Bellevue LD12 1.50 Manchester 1.43 Grinnell AWOS 2 SSW 1.41 Robins 0.8 SE 1.14 Vinton 3.6 SE 1.01 Dubuque LD11 1.00 Vinton 0.95 Peosta 2.9 E 0.91 Cedar Rapids Arpt 0.86 North English 0.86 Parnell 0.1 SSW 0.85 Charlotte 1.9 WNW 0.77 Center Point 0.6 NNW 0.77 North Liberty 0.7 SSW 0.76 Williamsburg 0.6 SW 0.73 Maquoketa 0.66 Dubuque 1.4 WNW 0.64 Asbury 0.4 SW 0.64 Camanche 1.2 W 0.61 Dundee 1.4 NNE 0.60 De Witt 0.60 Marion 0.4 NNW 0.59 Cedar Rapids 2.1 NW 0.58 Pella AWOS 2 WSW 0.53 Marengo 3.6 N 0.49 Solon 0.3 ESE 0.48 Amana 4.7 W 0.48 Fayette 1 NW 0.48 Anamosa 3 SSW 0.48 Wellman 4.0 E 0.46 Oelwein AWOS 0.46 Solon 0.4 WNW 0.44 Hampton 1 N 0.43 Monticello 1 E 0.43 Belle Plaine 0.42 Ely 2.0 N 0.38 Ottumwa ASOS 6 NNW 0.38 Marshalltown ASOS 4 N 0.35 West Branch 2.3 SSW 0.32 Dyersville 1.7 ESE 0.32 Lowden 0.32 Eldridge 5.4 E 0.31 Waterloo ASOS 5 NW 0.31 Guttenberg Dam 10 0.30 Lisbon 0.1 W 0.28 Muscatine 2.6 NNE 0.27 Wapello 5.4 SE 0.26 Muscatine 2.1 N 0.26 Clarence 3.9 S 0.26 Coralville 1.3 SE 0.26 Muscatine 1.4 N 0.25 Farmington 3.5 W 0.24 Muscatine 3.0 NE 0.24 Muscatine 2N 0.24 Farmington 2.4 W 0.23 Burlington 0.8 SSE 0.23 Centerville 0 NE 0.23 Farmington 0.3 NW 0.22 Mason City ASOS 6 W 0.22 Iowa City Arpt 0.22 Davenport Arpt 0.22 Farmington 0.4 NNW 0.21 Fairfield 0.21 Davenport 0.9 WNW 0.20 Tipton 0.3 ESE 0.20 Rathbun Reservoir 2 N 0.20 Sigourney 0.20 Morning Sun 1.7 E 0.18 Burlington Arpt 0.18 Yarmouth 1.9 SW 0.15 Davenport 2.1 N 0.15 Iowa City 0.15 Iowa City 2.3 E 0.14 Marshalltown 1 NW 0.14 Washington 0.14 Oskaloosa AWOS 9 ESE 0.12 Burlington 6.5 SSW 0.11 Holy Cross 1.8 E 0.11 Elkader 6SSW 0.10 Mason City 1 NNE 0.10 Donnellson 0.10 Fairfield 5.7 NNE 0.09 Hillsboro 5.8 SE 0.03 Wapello 0.2 S 0.03 Strawberry Point 0.03 Salem 1S 0.00 Fort Madison 0.9 NE 0.00 Perry 0 W 0.00 NWS Johnston* 5 NNW 0.00 Keokuk LD19 0.00 Boone 1 SSW 0.00 ....ILLINOIS.... Mundelein 2.74 Stockton 3.4 NNE 2.58 Stockton 3 NNE 2.58 Stockton 4.6 NW 2.41 East Dubuque 1.7 SE 2.35 Elizabeth 2.24 Hanover 0.2 NW 2.15 Stockton 5.9 WNW 2.13 Lena 0.3 SSE 1.80 East Dubuque 1.7 ENE 1.75 Mount Carroll 6.8 NNW 1.62 Lanark 4.2 NNW 1.61 1.50 Lanark 5.3 N 1.49 Freeport 2.9 WSW 1.04 Winslow 4.3 ESE 1.00 Rock Falls 3.1 S 0.98 Freeport 0.98 Rockford Arpt 0.96 Galesburg 0.86 Sterling 5.9 NNE 0.78 Monmouth 0.4 SE 0.64 Peoria Arpt 0.59 Fulton LD13 0.50 Ogden 0.46 Quad City Arpt 0.46 Prophetstown 0.2 SW 0.45 Coal Valley 2.6 E 0.41 Coal Valley 1.9 SE 0.40 Gladstone LD18 0.40 Streator 3 SE 0.40 Ottawa 4 SW 0.35 Romeoville 0.35 Kewanee 1 E 0.35 Galva 0.9 SE 0.34 Mendota 2 SE 0.33 Tuscola 0.30 Dallas City 3.0 SSE 0.27 St Anne 0.25 Lincoln NWS 0.25 Bloomington Airport 0.23 McNabb 1.4 NW 0.22 Ill. City LD16 3 WNW 0.21 La Harpe 0.20 Princeton 1.1 SE 0.18 Princeton 0.18 Stronghurst 0.4 SSW 0.17 Steward 0.15 Rochelle Arpt 0.14 Decatur Airport 0.09 Illinois City 6.7 SW 0.08 New Windsor 2.0 N 0.05 Colchester 3.5 NE 0.04 Aledo 0.03 Windsor 0.02 Augusta 0.00 New Boston LD17 0.00 Quincy Arpt 0.00 Jacksonville Arpt 0.00 ....MISSOURI.... Columbia Arpt 0.00 Chillicothe Arpt 0.00 Kirksville Arpt 0.00 Memphis 0.00 ....WISCONSIN.... Darlington 1.60 Madison Arpt 1.51 Beloit-College 1.31 Sullivan-NWS 2 SE 1.25 Allenton-WWTP .6 NW 0.92 Delavan-1 W-WWTP 1 W 0.65 Monroe 1 W 0.59 Brodhead 1 SW 0.45 Prairie du Chien AWOS 0.38 Steuben 4SE 3 NE 0.25 La Crosse WFO 0.03 Viroqua 0.00 ....MINNESOTA.... Theilman 1SSW 0.00 |
Environment
SPC Severe Weather Event Page July 28th, 2023
Figure 1: SPC 1300z Day 1 Outlook | Figure 2: SPC 1300z Day 1 Tornado | Figure 3: SPC 1300z Day 1 Hail |
Figure 4: SPC 1300z Day 1 Wind | Figure 5: Mesoscale Discussion #1761 | Figure 6: Mesoscale Discussion #1763 |
Figure 7: Severe Thunderstorm Area | Figure 8: Severe Thunderstorm Area | Figure 9: 20z DVN Sounding |
Figure 10: 00z DVN Sounding |
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