Swells and high surf from both Imelda and Humberto are expected to bring dangerous marine conditions and rip currents to much of the East Coast over the next several days. A series of Pacific frontal systems will bring waves of showers and thunderstorms to portions of northern California and the Pacific Northwest through midweek. Read More >
Overview
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A warm, moist, and unstable air mass across the region ahead of a southward sinking cold front resulted in thunderstorm development, several being severe. These produced large hail and scattered damaging winds. Most hail reports ranged in size from quarter to golf ball size hail. The largest hail fell in Van Buren County near Keosauqua where 2 to 3 inch diameter hail fell. There were also a few reports of 60 to 80 MPH across far southeast Iowa into west central Illinois which damaged trees and knocked down several outbuildings. The most widespread damage occurred near Oakville, IA.
In addition, two brief tornadoes touchdown in northern McDonough County in west central Illinois and did not cause any damage.
Tornadoes
Damage Assessment Toolkit Viewer
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 |
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Storm Reports
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Storm Report Map of County Warning Area and Adjacent Areas Note numbers of reports on key are nationwide totals from June 13 |
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| Interactive Storm Report Map (SPC) |
| Nationwide Storm Report Map Image (SPC) |
Preliminary Local Storm Report...Summary National Weather Service Quad Cities IA IL 1106 AM CDT Fri Jun 14 2024 ..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON... ..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.... ..REMARKS.. 0436 PM Hail 5 E Bible Grove 40.36N 92.21W 06/13/2024 M1.00 Inch Scotland MO Public Corrects previous hail report from 5 E Bible Grove. Occurring right now at intersection of highway 15 and county T. 0439 PM Hail 4 NE Lebanon 40.77N 92.04W 06/13/2024 M1.00 Inch Van Buren IA Trained Spotter 0448 PM Hail Keosauqua 40.73N 91.96W 06/13/2024 M3.00 Inch Van Buren IA Emergency Mngr Photo from county EM of 3 inch hail in Keosauqua. 0448 PM Hail 3 ESE Keosauqua 40.72N 91.92W 06/13/2024 M1.75 Inch Van Buren IA Trained Spotter A few golf ball size hail stones found. Time estimated by radar. 0453 PM Hail Keosauqua 40.73N 91.96W 06/13/2024 E1.75 Inch Van Buren IA Public Updated report via mPING near downtown Keosauqua. 0454 PM Hail Bonaparte 40.70N 91.80W 06/13/2024 E1.50 Inch Van Buren IA Trained Spotter VB38 reported ping pong hail. 0539 PM Tstm Wnd Gst 1 SSW Mooar 40.44N 91.45W 06/13/2024 E70 MPH Lee IA Trained Spotter Estimated 60 to 70 mph wind gusts. 0544 PM Rain 3 ENE Charlie Heath Mem 40.59N 91.84W 06/13/2024 M2.70 Inch Clark MO Trained Spotter storm total from Judy. 0546 PM Tstm Wnd Gst Keokuk Airport 40.47N 91.43W 06/13/2024 M70 MPH Lee IA AWOS 0613 PM Hail 4 NNW Hillsboro 40.88N 91.75W 06/13/2024 M0.88 Inch Van Buren IA Trained Spotter 0613 PM Tstm Wnd Gst 1 ENE Oakville 41.10N 91.03W 06/13/2024 E80 MPH Louisa IA Emergency Mngr Roof blown off an unused hog shed. Suspected microburst winds. Time estimated from radar. 0615 PM Tstm Wnd Dmg 1 SE Oakville 41.09N 91.03W 06/13/2024 Louisa IA Public Report was relayed by broadcast media. 12 inch tree broken off about a foot above the base. Open farm outbuilding destroyed. Pictures shared and show damage in one direction. Time of the event was estimated using radar. 0622 PM Hail 2 SSW Hillsboro 40.81N 91.73W 06/13/2024 E1.00 Inch Van Buren IA Public Reported via mPING. Time estimated by radar. 0624 PM Hail 2 SW Hillsboro 40.81N 91.73W 06/13/2024 M1.00 Inch Van Buren IA Public Report from mPING: Quarter (1.00 in.). 0630 PM Tstm Wnd Dmg Keithsburg 41.10N 90.94W 06/13/2024 Mercer IL Trained Spotter Picture of a large branch broken off of a hickory tree. 0655 PM Hail 3 SE Cantril 40.61N 92.03W 06/13/2024 E1.75 Inch Van Buren IA Trained Spotter VB73. 0656 PM Hail 3 W Charlie Heath Memor 40.58N 91.94W 06/13/2024 M1.50 Inch Clark MO Trained Spotter 0656 PM Tornado 1 ESE Good Hope 40.55N 90.65W 06/13/2024 McDonough IL NWS Storm Survey A brief tornado touchdown was observed by a chaser northeast of the Macomb Municipal Airport. This tornado occurred in an open field and no damage was observed. Therefore the tornado will be rated EF-Unknown. 0656 PM Tstm Wnd Dmg 3 N Scottsburg 40.59N 90.60W 06/13/2024 McDonough IL Emergency Mngr Power pole knocked down from thunderstorm winds. Time estimated from radar. 0701 PM Tornado 1 N Bardolph 40.51N 90.56W 06/13/2024 McDonough IL NWS Storm Survey A brief tornado was observed in an open field between Bushnell and Bardolph. There was no observed damage with the tornado, and therefore has been assigned an EF-Unknown. 0709 PM Hail 1 SE Dodgeville 40.94N 91.17W 06/13/2024 E1.00 Inch Des Moines IA Storm Chaser 0711 PM Hail Wayland 40.40N 91.58W 06/13/2024 M1.00 Inch Clark MO Public delayed report, time estimated from radar. 0712 PM Hail 3 WNW Mount Sterling 40.63N 92.00W 06/13/2024 E2.00 Inch Van Buren IA Trained Spotter VB46. 0720 PM Hail 3 W Mount Sterling 40.62N 92.00W 06/13/2024 E1.50 Inch Van Buren IA Trained Spotter 0725 PM Hail Kahoka 40.42N 91.72W 06/13/2024 E1.50 Inch Clark MO Public Photo of hail larger than a quarter relayed via social media. Time estimated by radar.
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, Friday June 14, 2024. ....IOWA.... Danville 2.9 W 1.73 Keokuk LD19 1.28 Donnellson 0.90 New London 1.5 SW 0.88 Hillsboro 5.8 SE 0.84 Keosauqua 0.82 Yarmouth 1.9 SW 0.70 Mt Pleasant 1 SSW 0.68 Morning Sun 1.7 E 0.63 Burlington Arpt 0.60 Wapello 5.4 SE 0.54 Fort Madison 0.9 NE 0.53 Burlington 6.5 SSW 0.25 Salem 1S 0.22 Columbus Jct 2 SSW 0.20 Fort Madison 7.7 N 0.19 Muscatine 3.0 NE 0.14 Davenport 0.9 WNW 0.08 West Branch 2.3 SSW 0.08 Fairfield 0.08 Davenport 1.0 NE 0.07 Davenport 2.1 N 0.06
....ILLINOIS.... Ogden 1.62 Galesburg 1.35 Prairie City 2S 1.29 Stronghurst 0.4 SSW 1.21 Ottawa 4 SW 0.80 Gladstone LD18 0.61 Galva 0.9 SE 0.60 Bentley 0.59 Streator 3 SE 0.51 St Anne 0.43 Lincoln NWS 0.41 Bloomington Airport 0.34 Joliet Arpt 0.33 Monmouth 0.4 SE 0.28 Augusta 0.28 Quincy Arpt 0.26 Windsor 0.25 New Boston LD17 0.25 Peoria Arpt 0.23 Aledo 0.22 McNabb 1.4 NW 0.20 Jacksonville 2E 0.20 Warsaw 5.8 SE 0.17 Decatur Airport 0.17 Ill. City LD16 3 WNW 0.15 Colona 0.5 ESE 0.12 Romeoville 0.12 Moline 0.7 NNE 0.11
....MISSOURI.... Kahoka 5.2 ESE 1.01 Kahoka 0.6 S 0.75 Kirksville Arpt 0.56
Outlooks and Environment
Storm Prediction Center Outlooks
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| SPC Day 1 1630z Outlook |
Tornado Risk Probabilities
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Severe Wind Risk Probabilities **Sig Severe Likely** |
Severe Hail Risk Probabilities **Sig Severe Likely** |
Watches and Mesoscale Discussions
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| Mesoscale Discussion #1247 | Mesoscale Discussion #1249 | Severe Thunderstorm Watch #409 |
Local Soundings at DVN
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| 06/13/2024 - 7:00 am | 06/13/2024 - 1:00 pm |
Synoptic Environment
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| 500 mb Chart | 700 mb Chart | 850 mb Chart | Surface Chart |
Mesoscale Environment
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0-6 km Wind Shear Favorable for Organized Convection |
Instability Favorable for Organized Convection |
Midlevel Lapse Rates Favorable for Large Hail |
Downdraft CAPE Favorable for Strong Downdrafts |
Surface Weather
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20Z / 3 PM CDTSurface Weather Map Slow moving frontal boundary moving into a warm, moist, and unstable air mass. |
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