Dangerous heat is expected across portions of the Central and Southeast U.S. through July. Heavy rains, flash flooding & severe weather are possible across the middle Missouri River Valley and Upper Midwest to the upper Great Lakes. Heavy rains and flash flooding are also possible across portions of the Southeast. A tropical disturbance brings heavy rain to Guam & the Marianas through Saturday. Read More >
Overview
Thunderstorms developed during the late afternoon and evening hours ahead of a cold front draped across central Iowa. Some of these thunderstorms became severe, producing hail between the size of a quarter and half dollar. The largest hail fell in Carroll County. There were also several reports of wind damage. |
Radar Image (7:45 P.M.) (IEM) (Click to zoom) (Click here for Animation) |
Photos & Video
More Pictures Coming Soon!
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Quarter to Half Dollar Size Hail 4 W Morrison, IL. Time ~ 6:15 P.M.(Photo credit to Gateway Area Storm Chasers) | () | () | () |
Interactive Storm Map | SPC Storm Reports |
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Storm Reports
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON... ..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.... ..REMARKS.. 0523 PM HAIL 3 SE SAVANNA 42.06N 90.09W 05/02/2018 M1.00 INCH CARROLL IL TRAINED SPOTTER 0530 PM HAIL 4 W MOUNT CARROLL 42.09N 90.05W 05/02/2018 M0.75 INCH CARROLL IL TRAINED SPOTTER 0535 PM HAIL 4 SSE MOUNT CARROLL 42.05N 89.94W 05/02/2018 M1.00 INCH CARROLL IL TRAINED SPOTTER 0553 PM HAIL 4 N HITT 42.05N 89.73W 05/02/2018 M1.25 INCH CARROLL IL TRAINED SPOTTER 0554 PM HAIL 5 NNE HITT 42.07N 89.70W 05/02/2018 E2.00 INCH CARROLL IL PUBLIC VIA FACEBOOK...DELAYED REPORT. 0554 PM HAIL CLINTON 41.84N 90.23W 05/02/2018 M1.00 INCH CLINTON IA CO-OP OBSERVER DELAYED REPORT 0600 PM HAIL 2 ESE CLINTON 41.83N 90.21W 05/02/2018 M0.75 INCH CLINTON IA TRAINED SPOTTER 0621 PM HAIL MORRISON 41.81N 89.97W 05/02/2018 M1.00 INCH WHITESIDE IL TRAINED SPOTTER 0625 PM HAIL MORRISON 41.81N 89.97W 05/02/2018 M1.75 INCH WHITESIDE IL TRAINED SPOTTER 0627 PM HAIL 1 WNW MORRISON 41.81N 89.98W 05/02/2018 M1.50 INCH WHITESIDE IL TRAINED SPOTTER 0657 PM HAIL PARNELL 41.58N 92.00W 05/02/2018 M0.25 INCH IOWA IA TRAINED SPOTTER 0704 PM TSTM WND DMG 2 N WHAT CHEER 41.43N 92.35W 05/02/2018 KEOKUK IA EMERGENCY MNGR POWER POLE BLOWN DOWN 0724 PM HAIL 1 NW WILLIAMSTOWN 41.58N 91.75W 05/02/2018 M1.00 INCH JOHNSON IA TRAINED SPOTTER 0748 PM HAIL 1 S HILLS 41.55N 91.53W 05/02/2018 M1.00 INCH JOHNSON IA TRAINED SPOTTER 0748 PM HEAVY RAIN 1 S HILLS 41.55N 91.53W 05/02/2018 M1.34 INCH JOHNSON IA TRAINED SPOTTER TORRENTIAL RAIN. WATER IS POOLING ON THE YARD. 0759 PM TSTM WND GST HILLS 41.57N 91.54W 05/02/2018 E60.00 MPH JOHNSON IA EMERGENCY MNGR 0800 PM HAIL HILLS 41.57N 91.54W 05/02/2018 M0.75 INCH JOHNSON IA TRAINED SPOTTER 0814 PM HAIL 2 SE IOWA CITY 41.64N 91.51W 05/02/2018 M0.88 INCH JOHNSON IA TRAINED SPOTTER PENNY TO NICKLE SIZE HAIL 0814 PM HEAVY RAIN 2 SE IOWA CITY 41.64N 91.51W 05/02/2018 M1.30 INCH JOHNSON IA TRAINED SPOTTER STREET IS FULL OF WATER. 0819 PM HAIL SW KALONA 41.48N 91.71W 05/02/2018 E0.25 INCH WASHINGTON IA TRAINED SPOTTER 0820 PM LIGHTNING WSW KALONA 41.49N 91.71W 05/02/2018 WASHINGTON IA TRAINED SPOTTER LIGHTNING STRIKE DAMAGED A HOME IN THE 200 BLOCK OF C AVE. 0823 PM HEAVY RAIN 2 NNW WILLIAMSTOWN 41.59N 91.75W 05/02/2018 M1.60 INCH JOHNSON IA TRAINED SPOTTER RAINFALL FROM THE FIRST ROUND OF STORMS 0848 PM HEAVY RAIN 1 NW WILLIAMSTOWN 41.58N 91.75W 05/02/2018 M2.30 INCH JOHNSON IA TRAINED SPOTTER RAINFALL IN THE PAST HOUR
0805 AM HEAVY RAIN 3 E STERLING 41.80N 89.64W 05/03/2018 M2.01 INCH WHITESIDE IL TRAINED SPOTTER 0738 AM HEAVY RAIN 1 W BETTENDORF 41.56N 90.49W 05/03/2018 M1.92 INCH SCOTT IA TRAINED SPOTTER 0.21 SINCE MIDNIGHT. 0736 AM HEAVY RAIN DEWITT 41.82N 90.55W 05/03/2018 M1.10 INCH CLINTON IA TRAINED SPOTTER 0735 AM HEAVY RAIN 2 NNW MUSCATINE 41.44N 91.08W 05/03/2018 M1.34 INCH MUSCATINE IA TRAINED SPOTTER 0713 AM HAIL 1 SE MORRISON 41.80N 89.96W 05/03/2018 M1.00 INCH WHITESIDE IL PUBLIC 0712 AM HEAVY RAIN 1 SE MORRISON 41.80N 89.96W 05/03/2018 M2.25 INCH WHITESIDE IL PUBLIC 0634 AM HEAVY RAIN COLUMBUS JUNCTION 41.28N 91.37W 05/03/2018 M1.25 INCH LOUISA IA TRAINED SPOTTER 0545 AM HEAVY RAIN PARNELL 41.58N 92.01W 05/03/2018 M1.63 INCH IOWA IA TRAINED SPOTTER 12 HOUR RAIN TOTAL. 0622 PM HAIL 4 SE WHITTON 42.18N 90.26W 05/02/2018 E1.25 INCH CARROLL IL LAW ENFORCEMENT HAIL DAMAGE TO ROOFS AND CARS. DELAYED REPORT. 0535 PM HAIL 2 S DAKOTA DORNINK AIRP 42.36N 89.57W 05/02/2018 M0.75 INCH STEPHENSON IL TRAINED SPOTTER CORRECTS PREVIOUS HAIL REPORT FROM 2 S DAKOTA DORNINK AIRPORT. DIME SIZE HAIL. 0520 PM HAIL 1 W FREEPORT ALBERTUS 42.25N 89.60W 05/02/2018 M1.00 INCH STEPHENSON IL TRAINED SPOTTER CORRECTS PREVIOUS HAIL REPORT FROM 1 W FREEPORT ALBERTUS. 0.75 INCH. 0450 PM HAIL 3 NNW GOOSE LAKE 42.01N 90.39W 05/02/2018 E1.00 INCH CLINTON IA TRAINED SPOTTER IN COMBINATION WITH SEVERE WIDNS, DESTROYED A BI-CARBONATE ROOF ON A DAIRY BARN. 0450 PM TSTM WND GST 3 S PRESTON 42.01N 90.39W 05/02/2018 E60 MPH CLINTON IA TRAINED SPOTTER COMBINATION WITH SEVERE HAIL, DESTROYED A BI-CARBONATE ROOF ON A DAIRY BARN.
Environment
Additional environmental data.
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Figure 1: SPC Day 1 Outlook (20:00 UTC) | Figure 2: SPC Day 1 Tornado Outlook (20:00 UTC) | Figure 3: SPC Day 1 Hail Outlook (20:00 UTC) |
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Figure 4: SPC Day 1 Wind Outlook (20:00 UTC) | Figure 5: DVN Sounding: 5/2/18 19z | Figure 6: DVN Sounding: 5/3/18 00z |
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