A cold front sparked a few showers and thunderstorms just north and south of the Highway 20 corridor on April 29th.  Ahead of the front, temperatures in the upper 70s and lower 80s were found across eastern Iowa, northwest Illinois and northeast Missouri, as strong south winds brought warm air into the region. Some of the storms were severe, producing hail up to the size of a tennis ball.

Hail in DELAWARE, IOWA
From 29-APR-13 09:00:00 to 29-APR-13 09:00:00 (CST-6)
Location: RYAN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Quarter sized hail fell in Ryan, IA near Highway 13 at 1000 am CDT April 29.

Hail in JACKSON, IOWA
From 29-APR-13 19:15:00 to 29-APR-13 19:15:00 (CST-6)
Location: LA MOTTE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in DELAWARE, IOWA
From 29-APR-13 09:31:00 to 29-APR-13 09:31:00 (CST-6)
Location: SAND SPG
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in BUCHANAN, IOWA
From 29-APR-13 09:37:00 to 29-APR-13 09:37:00 (CST-6)
Location: AURORA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Quarter sized hail fell about 5 miles southwest of Aurora, IA near the intersection of 155th St. and Olympic Ave. at 1037 am CDT April 29.  The hail covered the ground.

Hail in BUCHANAN, IOWA
From 29-APR-13 09:45:00 to 29-APR-13 09:45:00 (CST-6)
Location: AURORA
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Ping pong ball sized hail fell about 5 miles south of Aurora, IA around 1045 am CDT April 29.  Most of the hail was pea sized.

Hail in BUCHANAN, IOWA
From 29-APR-13 09:48:00 to 29-APR-13 09:48:00 (CST-6)
Location: AURORA
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Quarter sized hail fell in and about 1 mile south of Aurora, IA at 1048 am CDT April 29.

Hail in DELAWARE, IOWA
From 29-APR-13 10:11:00 to 29-APR-13 10:11:00 (CST-6)
Location: MANCHESTER ARPT
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in DELAWARE, IOWA
From 29-APR-13 10:20:00 to 29-APR-13 10:20:00 (CST-6)
Location: GREELEY
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in DUBUQUE, IOWA
From 29-APR-13 11:02:00 to 29-APR-13 11:02:00 (CST-6)
Location: ASBURY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter sized hail fell about 6 miles west of Dubuque, IA at 1202 pm CDT April 29.

Hail in DUBUQUE, IOWA
From 29-APR-13 11:09:00 to 29-APR-13 11:09:00 (CST-6)
Location: ASBURY
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in DUBUQUE, IOWA
From 29-APR-13 11:10:00 to 29-APR-13 11:10:00 (CST-6)
Location: CENTER GROVE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter sized hail fell about 2 miles west northwest of Dubuque, IA at 1210 pm CDT April 29.

Hail in DUBUQUE, IOWA
From 29-APR-13 11:11:00 to 29-APR-13 11:11:00 (CST-6)
Location: ASBURY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter sized hail fell about 2 miles west northwest of Dubuque, IA at 1211 pm CDT April 29.

Hail in DUBUQUE, IOWA
From 29-APR-13 19:24:00 to 29-APR-13 19:24:00 (CST-6)
Location: (DBQ)DUBUQUE MUNI AR
Magnitude: 2.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Two inch diameter hail fell 2 miles south southeast of the Dubuque Regional Airport, IA around 824 pm CDT April 29.

Hail in DUBUQUE, IOWA
From 29-APR-13 19:26:00 to 29-APR-13 19:26:00 (CST-6)
Location: (DBQ)DUBUQUE MUNI AR
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Ping pong sized hail fell 1 mile southeast of Dubuque Regional Airport, IA around 826 pm CDT April 29.

Hail in DUBUQUE, IOWA
From 29-APR-13 19:26:00 to 29-APR-13 19:26:00 (CST-6)
Location: (DBQ)DUBUQUE MUNI AR
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Golf ball sized hail fell 2 miles east of the Dubuque Regional Airport, IA around 826 pm CDT April 29.

Hail in DUBUQUE, IOWA
From 29-APR-13 19:30:00 to 29-APR-13 19:30:00 (CST-6)
Location: KEY WEST
Magnitude: 2.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Tennis ball sized hail fell 3 miles northeast of the Dubuque Regional Airport, IA around 830 pm CDT April 29.

Hail in DUBUQUE, IOWA
From 29-APR-13 11:12:00 to 29-APR-13 11:12:00 (CST-6)
Location: ASBURY
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter