Dangerous, long-lasting heat remains across the Mid-South to Mid-Mississippi Valley, while heat expands into the Northeast for a brief period on Friday. Strong to isolated severe thunderstorms and heavy rain pose a flash flooding threat from from the southern High Plains east to the Great Lakes. Tropical Depression 12W brings heavy rain to Guam & the Marianas through Saturday. Read More >
Overview
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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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