Well above average temperatures will prevail across the Plains and the West Coast this week, while a cold front will bring Arctic air to the South and East Coast Thursday and Friday. Lake effect snow is forecast downwind of the Great Lakes through Thursday along and behind the Arctic front, as well as mountain snow across the Southern Appalachians. 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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