The heat continues along and east of the Mississippi River. The most significant cumulative heat impacts are expected across the Mid-Atlantic through today and eastern Ohio Valley through Friday. Severe weather and heavy rainfall potential from the Southwest, Plains, upper Midwest, Great Lakes, mid-Atlantic and Northeast the next couple of days. A disturbance near the Marianas may bring flooding. Read More >
Overview
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Scattered showers and thunderstorms developed and tracked across the region Wednesday afternoon and evening, as an area of low pressure moved over Iowa. Numerous storms brought torrential rain, lightning, damaging winds, and flash flooding. Rainfall totals over 2 inches was common and all falling within 6 hours. Street flooding and excessive water was reported in the Quad Cities with several vehicles stranded on roads.
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 12-hr Radar Rainfall Estimates |
Tornado:
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Tornado - 1 ESE Delta, IA to 2 NNW Sigourney, IA
Track Map  
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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
| Interactive Storm Map | SPC Storm Reports |
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PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
850 PM CDT WED JUN 20 2018
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0326 PM TSTM WND DMG PARNELL 41.58N 92.00W
06/20/2018 IOWA IA TRAINED SPOTTER
TREE BRANCHES DOWN, LARGEST 3" DIAMETER.
TIME ESTIMATED BY RADAR.
0327 PM TSTM WND DMG 1 ESE WEST CHESTER 41.34N 91.81W
06/20/2018 WASHINGTON IA BROADCAST MEDIA
POWER POLES SNAPPED AND CROP DAMAGE
REPORTED, REPLAYED BY KCRG.
0333 PM TSTM WND DMG 1 SE WASHINGTON 41.29N 91.69W
06/20/2018 WASHINGTON IA PUBLIC
BRANCHES OF LARGE TREES SNAPPED.
0343 PM TSTM WND GST IOWA CITY ARPT 41.64N 91.55W
06/20/2018 M46 MPH JOHNSON IA ASOS
ASOS STATION IOW, IOWA CITY ARPT.
0353 PM HEAVY RAIN KALONA 41.49N 91.70W
06/20/2018 M1.00 INCH WASHINGTON IA TRAINED SPOTTER
FELL IN 25 MINUTES.
0400 PM HEAVY RAIN PARNELL 41.58N 92.01W
06/20/2018 M1.03 INCH IOWA IA TRAINED SPOTTER
30 MINUTE RAINFALL.
0410 PM HEAVY RAIN 1 ENE NORTH LIBERTY 41.75N 91.59W
06/20/2018 M1.50 INCH JOHNSON IA TRAINED SPOTTER
RAIN FELL IN PAST 20 MIN.
0415 PM HEAVY RAIN 2 SE IOWA CITY 41.64N 91.51W
06/20/2018 E1.50 INCH JOHNSON IA TRAINED SPOTTER
30 MINUTE RAINFALL. MINOR STREET FLOODING
ALONG CURBS TO 3 FEET INTO STREETS.
0420 PM HEAVY RAIN KALONA 41.49N 91.70W
06/20/2018 M1.65 INCH WASHINGTON IA PUBLIC
REPORT FROM SOCIAL MEDIA. RAIN FALL IN HALF
AN HOUR.
0425 PM TSTM WND DMG KEOKUK 40.42N 91.40W
06/20/2018 LEE IA TRAINED SPOTTER
DELAYED REPORT OF A TREE DOWN IN NORTHERN
KEOKUK. TIME ESTIMATED BASED ON RADAR.
0425 PM HEAVY RAIN 1 NW WILLIAMSTOWN 41.58N 91.75W
06/20/2018 E1.30 INCH JOHNSON IA TRAINED SPOTTER
45 MINUTE RAINFALL.
0428 PM FUNNEL CLOUD SPRINGVILLE 42.06N 91.44W
06/20/2018 LINN IA EMERGENCY MNGR
0446 PM TSTM WND DMG 1 SSW MOOAR 40.44N 91.45W
06/20/2018 LEE IA TRAINED SPOTTER
LIGHT POLE DOWN ALONG WITH SEVERAL 2 INCH
DIAMETER BRANCHES.
0512 PM HEAVY RAIN BURLINGTON REGIONAL AIR 40.78N 91.13W
06/20/2018 M2.24 INCH DES MOINES IA ASOS
TOTAL RAINFALL SINCE 5PM. OVER 2 INCHES FELL
BETWEEN 4 AND 5 PM.
0515 PM HEAVY RAIN MOUNT PLEASANT 40.96N 91.55W
06/20/2018 M2.12 INCH HENRY IA BROADCAST MEDIA
PUBLIC REPORT RELAYED FROM WQAD. RAINFALL
BETWEEN 2:30 PM AND 4:30 PM.
0515 PM HEAVY RAIN 2 NNW DAVENPORT 41.58N 90.61W
06/20/2018 U0.00 INCH SCOTT IA NWS EMPLOYEE
VERY HEAVY RAIN FALLING CURRENTLY, STALLED
CAR IN STREET WITH WATER FLOWING OVER ROAD
NEAR PINE ST.
0533 PM FLASH FLOOD 1 SSE DAVENPORT 41.54N 90.59W
06/20/2018 SCOTT IA TRAINED SPOTTER
WATER OVER STREETS TOWARDS HOSPITAL NEAR
MARQUETTE AND LOCUST STREETS. DUCK CREEK
ALSO RISING VERY FAST AND ABOUT 1 FT NEAR
BANK FULL.
0540 PM HAIL 3 WSW BETTENDORF 41.54N 90.53W
06/20/2018 M0.25 INCH SCOTT IA TRAINED SPOTTER
0544 PM HEAVY RAIN LOWDEN 41.86N 90.92W
06/20/2018 E1.25 INCH CEDAR IA CO-OP OBSERVER
RAIN FELL IN PAST 35 MIN.
0545 PM HEAVY RAIN HIAWATHA 42.05N 91.68W
06/20/2018 E1.50 INCH LINN IA TRAINED SPOTTER
TOTAL SO FAR.
0548 PM FLASH FLOOD 1 WNW DAVENPORT 41.56N 90.62W
06/20/2018 SCOTT IA PUBLIC
CARS STRANDED ON KIMBERLY RD WEST OF
DIVISION TOWARDS WAL-MART, REPORT VIA KWQC
FACEBOOK.
0550 PM FLASH FLOOD 1 NE DAVENPORT 41.56N 90.60W
06/20/2018 SCOTT IA PUBLIC
CAR STRANDED WITH WATER MORE THAN HALFWAY UP
ITS SIDE. REPORT WITH PHOTO VIA KWQC
FACEBOOK.
0554 PM FLASH FLOOD 2 ESE DAVENPORT 41.54N 90.57W
06/20/2018 SCOTT IA PUBLIC
6+ INCHES FAST MOVING WATER NEAR
INTERSECTION OF PERSHING AND DOVER. REPORT
VIA FACEBOOK.
0615 PM HEAVY RAIN DAVENPORT MUNICIPALITY 41.62N 90.58W
06/20/2018 M2.93 INCH SCOTT IA ASOS
TOTAL RAINFALL AS OF 615PM. RAIN STILL
ONGOING.
0633 PM FLASH FLOOD BETTENDORF 41.56N 90.48W
06/20/2018 SCOTT IA PUBLIC
CAR STRANDED AT THE INTERSECTION OF
TANGLEFOOT AND DEVILS GLEN RD IN BETTENDORF.
REPORT W/ PHOTO VIA KWQC FACEBOOK PAGE.
0653 PM HEAVY RAIN 1 S DAVENPORT 41.55N 90.60W
06/20/2018 E4.00 INCH SCOTT IA TRAINED SPOTTER
0700 PM HEAVY RAIN 1 E GREEN RIVER 41.47N 90.32W
06/20/2018 M1.00 INCH HENRY IL TRAINED SPOTTER
90 MINUTE RAINFALL.
0713 PM HEAVY RAIN 1 NE KEOKUK 40.42N 91.39W
06/20/2018 E2.10 INCH LEE IA TRAINED SPOTTER
0716 PM HEAVY RAIN 2 NE COLUSA 40.59N 91.14W
06/20/2018 E1.02 INCH HANCOCK IL TRAINED SPOTTER
0802 PM HEAVY RAIN 1 NE FORT MADISON 40.64N 91.33W
06/20/2018 E2.50 INCH LEE IA TRAINED SPOTTER
0809 PM HEAVY RAIN 1 SSW DAVENPORT 41.55N 90.61W
06/20/2018 M4.50 INCH SCOTT IA TRAINED SPOTTER
RAIN TOTAL SINCE 430 PM.
0824 PM HEAVY RAIN 1 NW ELDRIDGE 41.64N 90.59W
06/20/2018 M2.53 INCH SCOTT IA NWS EMPLOYEE
RAINFALL IN PAST 12-HRS.
Rain Reports
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| Figure 1: Local 24-hr Rainfall |
Figure 2: Regional 24-hr Rainfall (ending 7am 6/21) |
24 hour precipitation reports (in Inches), for eastern Iowa, northwest and west central Illinois, and northeast Missouri. Reported between Midnight and 9 AM, Thursday June 21, 2018. ....IOWA.... Davenport 0.9 WNW 5.12 Davenport 3.8 NNW 4.85 Davenport 0.9 SSW 4.53 Davenport Arpt 5 N 4.11 Davenport 2.9 W 3.95 Le Claire LD14 3.45 Eldridge 0.7 SSW 3.31 Bettendorf 2.2 SE 3.21 Burlington 6.5 SSW 3.09 Montrose 0.3 NNW 3.07 Eldridge 0.6 S 2.90 Marion 1.7 NNW 2.82 Burlington 2S 2.66 Burlington Arpt 2 SW 2.52 Center Point 0.6 NNW 2.43 Park View 0.2 WSW 2.29 Central City 6.7 W 2.23 Lowden 2.21 Mt Pleasant 1 SSW 2.20 Fort Madison 0.9 NE 2.18 Maquoketa 4W 2.06 Hopkinton 5.4 WSW 2.00 Quasqueton 0.5 W 1.96 Pella 4 N 1.92 Coggon 1.89 Camanche 1.2 W 1.85 Mason City ASOS 6 W 1.83 Manchester 1.81 Keokuk LD19 1.81 Iowa City 4.5 N 1.75 Hampton 1 N 1.70 Delmar 2.3 NW 1.68 North Liberty 1.0 ENE 1.62 Calamus 2.0 NE 1.62 Parnell 0.1 SSW 1.57 Fulton 1.56 Oelwein AWOS 1.56 Anamosa 3 SSW 1.52 West Point 7.5 NW 1.52 Iowa City 1.49 Oskaloosa 1 NNW 1.46 Donnellson 1.45 Center Junction 2.6 W 1.41 NWS Johnston* 5 NNW 1.40 Brighton 1.38 Cascade 1.37 Dubuque #3 7 SW 1.36 Strawberry Point 1.32 Monticello 1 E 1.28 Elkader 6SSW 1.25 Washington 1.24 De Witt 1.22 Williamsburg 1.22 Muscatine 2N 1.20 Iowa City Arpt 1.17 Peosta 2.9 E 1.17 Solon 0.3 ESE 1.10 Amana 4.7 W 1.05 Muscatine 1.4 N 1.00 Salem 1S 0.98 Dubuque Arpt 7 SW 0.96 Ainsworth 7.4 N 0.94 Marshalltown 1 NW 0.92 Kalona 7.3 NNW 0.91 Ames US 30 2 SSE 0.91 Tripoli 0 N 0.89 Mason City 1 NNE 0.85 Salem 3.1 ESE 0.85 New London 1.5 SW 0.80 Oskaloosa AWOS 9 ESE 0.79 Cresco 1 NE 0.78 Guttenberg Dam 10 0.70 Fairfield 0.70 Cedar Rapids Arpt 5 SW 0.70 Marshalltown ASOS 4 N 0.67 Bellevue LD12 0.65 Waterloo ASOS 5 NW 0.63 Marengo 2.6 SSW 0.63 Grinnell 2 SW 0.60 Ottumwa ASOS 6 NNW 0.60 Marengo 0.55 Centerville 0 NE 0.51 Albia 3 NNE 0.40 Grinnell AWOS 2 SSW 0.36 Boone 1 SSW 0.31 Perry 0 W 0.28 Dubuque LD11 0.26 Rathbun Reservoir 2 N 0.25 Toledo 3 N 0.25 Keosauqua 0.20 Beaconsfield 1 NNE 0.00 Pella AWOS 2 WSW 0.00 ....ILLINOIS.... Moline 0.9 N 3.27 New Boston LD17 2.16 Milan 8.8 SSW 2.14 Quad City Arpt 3 S 2.06 Peoria ASOS 1.82 Geneseo 2.0 NW 1.78 Coal Valley 1.9 SE 1.76 Galesburg 1.70 Gladstone LD18 1.65 Ill. City LD16 3 WNW 1.57 New Windsor 2.0 N 1.55 Streator 3 SE 1.42 Dallas City 3.0 SSE 1.32 Galesburg Arpt 3 SW 1.28 Augusta 1.14 La Harpe 1.12 Joliet 1.01 Chadwick 2.7 WSW 1.00 Coleta 1.4 SSW 0.99 Quincy Dam 21 0.95 Quincy ASOS 0.95 Princeton 1.1 SE 0.89 Princeton 0.89 Warsaw 5.8 SE 0.89 Roseville 0.6 WNW 0.84 Tiskilwa 2.1 N 0.81 Colchester 3.5 NE 0.77 Minonk 0.75 Bentley 0.74 Alexis 1 SW 0.73 Lincoln NWS 0.73 Havana 0.68 Tuscola 0.66 Prairie City 2S 0.61 Aledo 0.60 Morrison 3.2 E 0.53 Ottawa 4 SW 0.50 Kewanee 1 E 0.49 Romeoville 0.48 Mount Carroll 6.8 NNW 0.48 Bloomington Airport 0.47 Mendota 2 SE 0.45 Macomb 3.8 NW 0.44 Paw Paw 1 E 0.43 Pearl City 0.4 SW 0.43 Altona 0.42 Shannon 0.2 S 0.38 Elizabeth 0.38 Freeport 0.35 Galena 0.31 Steward 0.23 St Anne 0.22 Davis 0.5 N 0.20 Orangeville 2.8 NW 0.20 Jacksonville AWOS 0.19 Decatur Airport 0.17 Windsor 0.15 Freeport 2.0 NW 0.15 Mundelein 0.12 Ogden 0.07 Winslow 4.3 ESE 0.03 Rochelle 0.03 Rockford ASOS 0.01 Rochelle AWOS 0.01 Roscoe 2SE 0.01 ....MISSOURI.... Memphis 0.1 S 1.64 Memphis 1.15 Columbia 0.95 Canton LD20 0.83 Kahoka 0.6 S 0.78 Kirksville ASOS 0.21 Chillicothe 2 NW 0.00 ....WISCONSIN.... Steuben 4SE 3 NE 1.24 Viroqua 0.64 Prairie du Chien AWOS 0.59 Lancaster 4WSW 0.30 La Crosse WFO 0.21 Madison-ASOS 0.10 Brodhead 1 SW 0.04 Watertown-AWOS 0.02 Beloit-College 0.01 Allenton-WWTP .6 NW 0.01 Delavan-1 W-WWTP 1 W 0.00 ....MINNESOTA.... Theilman 1SSW 0.55 Preston 0.33 Grand Meadow 0.32
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