A series of cold fronts will continue to bring periods of gusty winds, low elevation rainfall, and high elevation snow to the Pacific Northwest this week. Heavy to excessive rainfall may produce areas of flooding over southern Texas through Monday morning. Read More >
Overview
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Severe thunderstorms developed along a cold front that dropped south across eastern Iowa and northwest Illinois Tuesday evening. Occasional lightning, heavy downpours, and very large hail were reported. The hardest hit areas were the northeast side of Cedar Rapids and the Iowa side of the Quad Cities where ping pong ball to baseball sized hail fell in a short amount of time. Golf ball hail fell in northern Stephenson county in IL near Orangeville. Widespread quarter sized hail was also reported during the evening in several other counties. |
 Near KGAN studio in Cedar Rapids, IA - photo by Nick Stewart |
Hail Photos:
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| St. Andrews Golf Course Cedar Rapids,IA Photo: Adam Colbeck |
Marion,IA Photo: Craig Smoldt |
Conesville,IA Photo: Auston Conaway |
Bettendorf, IA Photo: Kelli Emerson |
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| NE Cedar Rapids,IA Photo: Heidi Popelka |
E Davenport,IA Photo: Zane Satre |
Storm Reports
| Interactive Storm Report Map | SPC Storm Reports |
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RELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1159 PM CDT TUE APR 7 2020
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0552 PM HAIL HIAWATHA 42.05N 91.68W
04/07/2020 M0.25 INCH LINN IA TRAINED SPOTTER
0608 PM HAIL 4 NNE STOCKTON 42.40N 89.99W
04/07/2020 M0.70 INCH JO DAVIESS IL TRAINED SPOTTER
0612 PM HAIL 4 WSW WAUBEEK 42.14N 91.54W
04/07/2020 M0.70 INCH LINN IA TRAINED SPOTTER
HAIL WAS INCREASING IN SIZE DURING THE PHONE
CALL.
0620 PM HAIL ORANGEVILLE 42.47N 89.64W
04/07/2020 M1.75 INCH STEPHENSON IL PUBLIC
RELAYED FROM BROADCAST MEDIA.
0622 PM HAIL 3 E ROCK GROVE 42.46N 89.46W
04/07/2020 M0.25 INCH STEPHENSON IL TRAINED SPOTTER
0629 PM HAIL 1 ENE ANAMOSA 42.11N 91.27W
04/07/2020 M1.00 INCH JONES IA TRAINED SPOTTER
0630 PM HAIL ANAMOSA 42.11N 91.28W
04/07/2020 M0.88 INCH JONES IA TRAINED SPOTTER
0640 PM HAIL 2 NW MARION 42.05N 91.61W
04/07/2020 M2.00 INCH LINN IA TRAINED SPOTTER
0640 PM HAIL 2 W HIAWATHA 42.04N 91.72W
04/07/2020 M1.75 INCH LINN IA TRAINED SPOTTER
0640 PM HAIL 1 W HIAWATHA 42.04N 91.71W
04/07/2020 M1.00 INCH LINN IA TRAINED SPOTTER
0641 PM HAIL 2 ENE HIAWATHA 42.06N 91.65W
04/07/2020 E2.00 INCH LINN IA TRAINED SPOTTER
0642 PM HAIL HIAWATHA 42.05N 91.68W
04/07/2020 E1.50 INCH LINN IA TRAINED SPOTTER
QUARTER TO GOLF BALL SIZE HAIL.
0644 PM HAIL 3 ESE HIAWATHA 42.03N 91.64W
04/07/2020 M2.75 INCH LINN IA BROADCAST MEDIA
MEASURED AT KGAN.
0644 PM HAIL MARION 42.04N 91.59W
04/07/2020 E1.00 INCH LINN IA PUBLIC
QUARTER SIZE HAIL COVERING THE ROUND.
0645 PM HAIL 1 NNE CEDAR RAPIDS 41.98N 91.66W
04/07/2020 E2.50 INCH LINN IA PUBLIC
0645 PM HAIL 1 SW MARION 42.02N 91.60W
04/07/2020 M2.50 INCH LINN IA PUBLIC
0645 PM HAIL 3 ESE HIAWATHA 42.03N 91.64W
04/07/2020 M2.00 INCH LINN IA BROADCAST MEDIA
REPORT IS FROM KGAN STUDIOS. AT LEAST ONE
BROKEN WIDSHIELD.
0645 PM HAIL 2 WSW MARION 42.03N 91.62W
04/07/2020 M2.00 INCH LINN IA PUBLIC
0645 PM HAIL HIAWATHA 42.05N 91.68W
04/07/2020 M1.75 INCH LINN IA TRAINED SPOTTER
CONSIDERABLE DAMAGE TO VEHICLES.
0646 PM HAIL 2 W MARION 42.03N 91.63W
04/07/2020 E2.25 INCH LINN IA PUBLIC
REPORT FROM MPING: HEN EGG+ (2.25 IN.).
0646 PM HAIL 2 WSW MARION 42.02N 91.63W
04/07/2020 M1.75 INCH LINN IA TRAINED SPOTTER
0646 PM HAIL 2 SE HIAWATHA 42.02N 91.66W
04/07/2020 M1.75 INCH LINN IA TRAINED SPOTTER
0647 PM HAIL HIAWATHA 42.05N 91.68W
04/07/2020 M2.00 INCH LINN IA PUBLIC
CORRECTED THE TIME.
0648 PM HAIL 2 ENE MARION 42.04N 91.56W
04/07/2020 E1.75 INCH LINN IA TRAINED SPOTTER
0649 PM HAIL 1 NW MARION 42.05N 91.61W
04/07/2020 E1.00 INCH LINN IA TRAINED SPOTTER
0652 PM HAIL 2 N CEDAR RAPIDS 41.99N 91.66W
04/07/2020 E1.75 INCH LINN IA TRAINED SPOTTER
0654 PM HAIL MARION 42.03N 91.60W
04/07/2020 E1.75 INCH LINN IA PUBLIC
0654 PM HAIL 1 N MARION 42.06N 91.59W
04/07/2020 E1.50 INCH LINN IA TRAINED SPOTTER
QUARTER TO PING PONG SIZE HIAL AT HIGHWAY 13
AND 100.
0654 PM HAIL 2 ENE MARION 42.05N 91.56W
04/07/2020 M1.50 INCH LINN IA TRAINED SPOTTER
0655 PM HAIL CEDAR RAPIDS 41.98N 91.67W
04/07/2020 M1.00 INCH LINN IA PUBLIC
0702 PM HAIL 1 NE FAIRFAX 41.93N 91.77W
04/07/2020 M1.00 INCH LINN IA TRAINED SPOTTER
0703 PM HAIL 2 ENE MARION 42.04N 91.56W
04/07/2020 M1.75 INCH LINN IA TRAINED SPOTTER
0704 PM HAIL 3 NNE FAIRFAX 41.96N 91.75W
04/07/2020 M1.00 INCH LINN IA TRAINED SPOTTER
0706 PM HAIL 4 NE FAIRFAX 41.97N 91.75W
04/07/2020 U1.00 INCH LINN IA PUBLIC
0710 PM HAIL 3 SSE CEDAR RAPIDS 41.93N 91.65W
04/07/2020 E1.00 INCH LINN IA TRAINED SPOTTER
0718 PM HAIL 2 WNW FREEPORT 42.30N 89.67W
04/07/2020 M0.50 INCH STEPHENSON IL TRAINED SPOTTER
0719 PM HAIL FREEPORT 42.29N 89.63W
04/07/2020 M1.00 INCH STEPHENSON IL TRAINED SPOTTER
0719 PM HAIL FREEPORT 42.28N 89.63W
04/07/2020 M0.70 INCH STEPHENSON IL TRAINED SPOTTER
0736 PM HAIL 4 N BUCHANAN 41.82N 91.25W
04/07/2020 E1.00 INCH CEDAR IA PUBLIC
0739 PM HAIL STANWOOD 41.89N 91.15W
04/07/2020 M1.00 INCH CEDAR IA TRAINED SPOTTER
0742 PM HAIL LOWDEN 41.86N 90.92W
04/07/2020 E1.75 INCH CEDAR IA CO-OP OBSERVER
0748 PM HAIL TIPTON 41.77N 91.13W
04/07/2020 M1.00 INCH CEDAR IA PUBLIC
0749 PM HAIL MARION 42.03N 91.60W
04/07/2020 M1.50 INCH LINN IA PUBLIC
0753 PM HAIL TIPTON 41.77N 91.13W
04/07/2020 E1.00 INCH CEDAR IA TRAINED SPOTTER
0753 PM HAIL TIPTON 41.77N 91.13W
04/07/2020 M0.70 INCH CEDAR IA PUBLIC
0754 PM HAIL OXFORD 41.73N 91.79W
04/07/2020 E1.00 INCH JOHNSON IA LAW ENFORCEMENT
SHERIFF DEPUTY ESTIMATED QUARTER.
0755 PM HAIL 1 S TIPTON 41.76N 91.13W
04/07/2020 M1.50 INCH CEDAR IA PUBLIC
0759 PM HAIL LOWDEN 41.86N 90.92W
04/07/2020 M1.50 INCH CEDAR IA CO-OP OBSERVER
HAIL WAS MAINLY DIME TO QUARTER WITH LARGEST
HAILSTONE BEING 1.5 INCHES.
0801 PM HAIL 1 SE NORTH LIBERTY 41.73N 91.59W
04/07/2020 E0.25 INCH JOHNSON IA TRAINED SPOTTER
0805 PM HAIL WHEATLAND 41.83N 90.84W
04/07/2020 E0.50 INCH CLINTON IA PUBLIC
REPORT FROM MPING: HALF-INCH (0.50 IN.).
0810 PM HAIL 1 SSW NORTH LIBERTY 41.73N 91.62W
04/07/2020 M0.25 INCH JOHNSON IA TRAINED SPOTTER
0812 PM HAIL SUNBURY 41.67N 90.93W
04/07/2020 E1.00 INCH CEDAR IA TRAINED SPOTTER
0819 PM HAIL DONAHUE 41.69N 90.67W
04/07/2020 M0.75 INCH SCOTT IA PUBLIC
0829 PM HAIL 4 WNW DAVENPORT 41.59N 90.67W
04/07/2020 M1.75 INCH SCOTT IA TRAINED SPOTTER
CORRECTS PREVIOUS TIME OF THE REPORT FROM
831 TO 829. HAIL REPORT FROM 4 WNW
DAVENPORT. SPOTTER REPORTED GOLF BALL SIZE
HAIL AT WEST KIMBERLY AND I-280.
0831 PM HAIL 4 NW DAVENPORT 41.59N 90.67W
04/07/2020 E2.00 INCH SCOTT IA TRAINED SPOTTER
0835 PM HAIL 2 NW SPRINGDALE 41.69N 91.30W
04/07/2020 E0.50 INCH CEDAR IA PUBLIC
0837 PM HAIL DAVENPORT MUNICIPALITY 41.62N 90.58W
04/07/2020 E1.00 INCH SCOTT IA NWS EMPLOYEE
0839 PM HAIL 1 N DAVENPORT 41.57N 90.61W
04/07/2020 M1.00 INCH SCOTT IA TRAINED SPOTTER
0840 PM HAIL 2 ENE DAVENPORT 41.57N 90.58W
04/07/2020 E2.00 INCH SCOTT IA TRAINED SPOTTER
0840 PM HAIL 1 NNW DAVENPORT 41.57N 90.61W
04/07/2020 E1.25 INCH SCOTT IA TRAINED SPOTTER
0840 PM HAIL 2 W BETTENDORF 41.57N 90.51W
04/07/2020 M1.00 INCH SCOTT IA PUBLIC
REPORT FROM MPING: QUARTER (1.00 IN.).
0841 PM HAIL 3 E DAVENPORT 41.55N 90.55W
04/07/2020 E2.00 INCH SCOTT IA NWS EMPLOYEE
1.50 TO 2.00 INCH HAIL.
0841 PM HAIL 1 NE DAVENPORT 41.57N 90.59W
04/07/2020 M1.75 INCH SCOTT IA NWS EMPLOYEE
0842 PM HAIL 2 W BETTENDORF 41.57N 90.51W
04/07/2020 M1.75 INCH SCOTT IA NWS EMPLOYEE
0844 PM HAIL 1 NW DAVENPORT 41.56N 90.62W
04/07/2020 M1.25 INCH SCOTT IA TRAINED SPOTTER
0845 PM HAIL 2 W BETTENDORF 41.55N 90.52W
04/07/2020 U2.00 INCH SCOTT IA PUBLIC
0845 PM HAIL 2 SSE DAVENPORT 41.53N 90.59W
04/07/2020 E1.50 INCH SCOTT IA TRAINED SPOTTER
0845 PM HAIL BETTENDORF 41.56N 90.48W
04/07/2020 M1.00 INCH SCOTT IA TRAINED SPOTTER
0846 PM HAIL 3 ESE DAVENPORT 41.54N 90.54W
04/07/2020 M1.50 INCH SCOTT IA NWS EMPLOYEE
0849 PM HAIL 2 WSW BETTENDORF 41.56N 90.51W
04/07/2020 E1.75 INCH SCOTT IA TRAINED SPOTTER
A FEW STONES WERE GOLF BALL SIZE.
0852 PM HAIL 1 W BETTENDORF 41.56N 90.49W
04/07/2020 E1.25 INCH SCOTT IA TRAINED SPOTTER
MOSTLY PEA SIZED HIAL WITH A FEW SILVER
DOLLAR SIZED HAILSTONES.
0855 PM HAIL 3 W RIVERDALE 41.53N 90.53W
04/07/2020 M1.75 INCH SCOTT IA TRAINED SPOTTER
0900 PM HAIL 1 N CARBON CLIFF 41.51N 90.39W
04/07/2020 M1.50 INCH ROCK ISLAND IL TRAINED SPOTTER
0909 PM HAIL 2 E KALONA 41.49N 91.66W
04/07/2020 M0.88 INCH WASHINGTON IA TRAINED SPOTTER
0912 PM HAIL RIVERSIDE 41.48N 91.58W
04/07/2020 M1.00 INCH WASHINGTON IA TRAINED SPOTTER
0913 PM HAIL 4 N MUSCATINE 41.48N 91.07W
04/07/2020 M0.88 INCH MUSCATINE IA TRAINED SPOTTER
0918 PM HAIL 3 S SWEETLAND CENTER 41.46N 90.97W
04/07/2020 E1.25 INCH MUSCATINE IA PUBLIC
REPORT FROM MPING: HALF DOLLAR (1.25 IN.).
0918 PM HAIL 2 N MUSCATINE 41.47N 91.05W
04/07/2020 E1.00 INCH MUSCATINE IA CO-OP OBSERVER
0920 PM HAIL 1 SSW GENESEO 41.44N 90.16W
04/07/2020 E0.70 INCH HENRY IL TRAINED SPOTTER
PEA TO DIME SIZE HAIL.
0937 PM HAIL CONESVILLE 41.38N 91.35W
04/07/2020 E2.00 INCH MUSCATINE IA FIRE DEPT/RESCUE
REPORT FROM FIRE DEPARTMENT CHIEF, SOME HAIL
STONES OF 2.25 INCHES.
0939 PM HAIL CONESVILLE 41.38N 91.35W
04/07/2020 M1.50 INCH MUSCATINE IA FIRE DEPT/RESCUE
REPORTED BY CONESVILLE VOLUNTEER
FIREFIGHTER.
0940 PM HAIL CONESVILLE 41.38N 91.35W
04/07/2020 E1.75 INCH MUSCATINE IA PUBLIC
0945 PM HAIL 3 WNW OAK GROVE 41.43N 90.62W
04/07/2020 E0.50 INCH ROCK ISLAND IL TRAINED SPOTTER
PEA TO DIMES.
0947 PM HAIL 2 W MUSCATINE MUNICIPAL 41.37N 91.18W
04/07/2020 M1.75 INCH MUSCATINE IA PUBLIC
REPORT FROM SOCIAL MEDIA WITH PICTURES.
0951 PM HAIL 2 ESE SAND SPRINGS 41.31N 91.15W
04/07/2020 M1.00 INCH LOUISA IA TRAINED SPOTTER
NICKEL TO QUARTERS.
0953 PM HAIL 1 SSE SAND SPRINGS 41.30N 91.18W
04/07/2020 M1.50 INCH LOUISA IA TRAINED SPOTTER
1045 PM HAIL 1 E ALEXIS 41.06N 90.55W
04/07/2020 M1.25 INCH WARREN IL TRAINED SPOTTER
HAIL WAS 3/4 TO 1.5 INCHES WITH MOST STONES
AT QUARTER SIZED.
Environment
SPC Event Summary - April 7th, 2020
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| Figure 1: DVN 12z 04/07 Sounding | Figure 2: DVN 00z 04/08 Sounding | Figure 3: SPC MCD #297 |
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| Figure 4: SPC MCD #300 | Figure 5: MRMS MESH tracks | Figure 6: MRMS MESH loop |
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| Figure 7: MRMS VII loop | Figure 8: 00z 04/08 700-500 mb lapse rate | Figure 9: 23z 04/07 Lifted Index / SBCIN |
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| Figure 10: 00z 04/08 Effective Bulk Shear | Figure 11: 00z 04/08 Sig Hail Parameter |
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