Repeated rounds of showers and thunderstorms could bring a flash flooding threat across the Four Corners region and from the mid-Mississippi Valley into the lower Great Lakes. Hot temperatures and high humidity will continue to challenge daily records from the Southern Plains to the lower Mississippi Valley. Read More >
Overview
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Thunderstorms quickly developed during the late afternoon and moved across the region. Storms produced hail as they first developed and then became more of a damaging wind threat as they moved eastward across the region. In addition to the severe weather, these storms produced very heavy rainfall of 1 to 2 inches in 1 to 2 hours. |
Storm Reports
| Interactive Storm Report Map | SPC Storm Reports |
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PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
827 PM CDT FRI JUL 21 2017
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0427 PM HEAVY RAIN 1 NNW ELY 41.89N 91.59W
07/21/2017 M1.40 INCH LINN IA TRAINED SPOTTER
FELL IN 15 MINUTES.
0503 PM HAIL 2 N ELY 41.90N 91.58W
07/21/2017 M0.25 INCH LINN IA TRAINED SPOTTER
0507 PM TSTM WND DMG ELY 41.88N 91.59W
07/21/2017 LINN IA PUBLIC
LARGE TREE LIMBS DOWN OVER CAR. REPORT VIA KCRG
FACEBOOK...TIME ESTIMATED.
0509 PM TSTM WND DMG WNW WILLIAMSTOWN 41.57N 91.74W
07/21/2017 JOHNSON IA LAW ENFORCEMENT
TREE BRANCHES DOWN. WIND ESTIMATED AT 50-60 MPH.
0509 PM TSTM WND DMG S FAIRBANK 42.64N 92.05W
07/21/2017 BUCHANAN IA LAW ENFORCEMENT
TREE BRANCHES BLOWN DOWN. WINDS ESTIMATED AT 50-60 MPH.
0512 PM HAIL WNW WILLIAMSTOWN 41.57N 91.74W
07/21/2017 E1.00 INCH JOHNSON IA LAW ENFORCEMENT
0517 PM TSTM WND DMG 1 S MARTELLE 42.01N 91.36W
07/21/2017 JONES IA PUBLIC
SHED DAMAGED AND LEANED OVER. REPORT VIA KCRG FACEBOOK.
0519 PM TSTM WND GST IOWA CITY MUNICIPAL AIR 41.63N 91.55W
07/21/2017 M53.00 MPH JOHNSON IA ASOS
0522 PM HAIL 4 SW CORALVILLE 41.65N 91.65W
07/21/2017 E1.00 INCH JOHNSON IA PUBLIC
REPORT VIA KCRG FACEBOOK.
0529 PM HAIL 2 W IOWA CITY 41.66N 91.57W
07/21/2017 E0.88 INCH JOHNSON IA EMERGENCY MNGR
0540 PM HEAVY RAIN E SOLON 41.80N 91.49W
07/21/2017 M1.47 INCH JOHNSON IA TRAINED SPOTTER
0550 PM FLASH FLOOD 2 SW IOWA CITY 41.64N 91.57W
07/21/2017 JOHNSON IA TRAINED SPOTTER
SEVERAL INCHES OF WATER FLOWING OVER ROAD WITH MANHOLE
COVERS BLOWN OUT.
0605 PM FLASH FLOOD IOWA CITY 41.66N 91.54W
07/21/2017 JOHNSON IA EMERGENCY MNGR
REPORT OF A FEW CARS STALLED IN SEVERAL INCHES OF PONDING
WATER ON STREET IN TOWN.
0609 PM FUNNEL CLOUD 1 N NICHOLS 41.49N 91.31W
07/21/2017 MUSCATINE IA LAW ENFORCEMENT
JUST SOUTH OF 155TH ST AND DAVIS AVE.
0617 PM FUNNEL CLOUD 3 S ATALISSA 41.53N 91.17W
07/21/2017 MUSCATINE IA LAW ENFORCEMENT
REPORTED VIA ATALISSA PD NEAR 155TH AND KELLY AVE.
0620 PM HEAVY RAIN OLIN 42.00N 91.14W
07/21/2017 M2.52 INCH JONES IA TRAINED SPOTTER
RAINFALL IN PAST 45 MIN.
0624 PM HEAVY RAIN OLIN 42.00N 91.14W
07/21/2017 M2.52 INCH JONES IA TRAINED SPOTTER
0634 PM HAIL 1 E FREEPORT 42.29N 89.62W
07/21/2017 E0.25 INCH STEPHENSON IL TRAINED SPOTTER
0638 PM HEAVY RAIN 2 NNE CEDAR RAPIDS 42.01N 91.65W
07/21/2017 M2.02 INCH LINN IA TRAINED SPOTTER
0638 PM HEAVY RAIN THOMSON 41.96N 90.10W
07/21/2017 M1.00 INCH CARROLL IL TRAINED SPOTTER
0638 PM HEAVY RAIN 1 SW NORTH LIBERTY 41.73N 91.62W
07/21/2017 M1.55 INCH JOHNSON IA TRAINED SPOTTER
FELL IN 90 MINUTES
0656 PM TSTM WND GST DEWITT 41.82N 90.55W
07/21/2017 E50.00 MPH CLINTON IA NWS EMPLOYEE
0700 PM HEAVY RAIN 3 SSW CENTER JUNCTION 42.08N 91.11W
07/21/2017 M2.40 INCH JONES IA TRAINED SPOTTER
RAIN FELL IN 45 MINUTES.
0718 PM TSTM WND DMG 1 N TAYLOR RIDGE 41.40N 90.67W
07/21/2017 ROCK ISLAND IL TRAINED SPOTTER
POWER LINES DOWN.
0721 PM TSTM WND DMG FULTON 41.87N 90.16W
07/21/2017 WHITESIDE IL LAW ENFORCEMENT
TREES ARE DOWN ACROSS THE TOWN OF FULTON.
0724 PM TSTM WND DMG 2 NE FULTON 41.89N 90.13W
07/21/2017 WHITESIDE IL LAW ENFORCEMENT
BARN BLOWN DOWN.
0725 PM TSTM WND GST MOLINE QUAD-CITY AIRPOR 41.45N 90.50W
07/21/2017 M71.00 MPH ROCK ISLAND IL ASOS
0808 PM HEAVY RAIN 3 NNE STOCKTON 42.39N 89.98W
07/21/2017 M2.00 INCH JO DAVIESS IL CO-OP OBSERVER
RAIN CAME IN TWO SEPARATE STORMS THIS EVENING.
0716 PM TSTM WND DMG 2 N TAYLOR RIDGE 41.42N 90.67W
07/21/2017 ROCK ISLAND IL TRAINED SPOTTER
WIND KNOCKED DOWN A 5 INCH DIAMETER HEALTHY TREE BRANCH
OFF OF A SILVER MAPLE TREE.
0846 PM HEAVY RAIN SW STOCKTON 42.35N 90.01W
07/21/2017 M1.66 INCH JO DAVIESS IL TRAINED SPOTTER
0847 PM HEAVY RAIN 1 SSE EDGEWOOD 42.63N 91.39W
07/21/2017 M1.88 INCH DELAWARE IA TRAINED SPOTTER
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