A pair of severe storms moved across northeastern South Dakota during the evening hours of the 9th.  These storms caused extensive damage to crops, especially west of Frederick in Brown County where beans and corn fields were completely destroyed.  As the storms moved from Barnard, through Columbia and into the Groton area, the hail increased to baseball size. There was also some structural damage to siding along with broken windows.

Hail in MCPHERSON, SOUTH DAKOTA
From 09-JUL-13 17:38:00 to 09-JUL-13 17:38:00 (CST-6)
Location: SPRING CREEK COLONY
Magnitude: 1.00 
Reported by: COOP Observer

Thunderstorm Wind in MCPHERSON, SOUTH DAKOTA
From 09-JUL-13 17:46:00 to 09-JUL-13 17:46:00 (CST-6)
Location: SPRING CREEK COLONY
Magnitude: 52.00 EG
Reported by: Public

An estimated wind of 60 mph flattened corn.

Hail in BROWN, SOUTH DAKOTA
From 09-JUL-13 17:50:00 to 09-JUL-13 17:50:00 (CST-6)
Location: WINSHIP
Magnitude: 1.50 
Reported by: Trained Spotter

Hail in BROWN, SOUTH DAKOTA
From 09-JUL-13 17:55:00 to 09-JUL-13 17:55:00 (CST-6)
Location: FREDERICK
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A bean field was destroyed by quarter size hail.

Hail in BROWN, SOUTH DAKOTA
From 09-JUL-13 17:58:00 to 09-JUL-13 17:58:00 (CST-6)
Location: FREDERICK
Magnitude: 1.75 
Reported by: Public

Hail in BROWN, SOUTH DAKOTA
From 09-JUL-13 18:01:00 to 09-JUL-13 18:01:00 (CST-6)
Location: BARNARD
Magnitude: 1.25 
Reported by: Public

Hail in BROWN, SOUTH DAKOTA
From 09-JUL-13 18:05:00 to 09-JUL-13 18:05:00 (CST-6)
Location: WESTPORT
Magnitude: 2.50 
Reported by: Public

Hail in BROWN, SOUTH DAKOTA
From 09-JUL-13 18:05:00 to 09-JUL-13 18:05:00 (CST-6)
Location: COLUMBIA
Magnitude: 2.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Hail in BROWN, SOUTH DAKOTA
From 09-JUL-13 18:10:00 to 09-JUL-13 18:10:00 (CST-6)
Location: COLUMBIA
Magnitude: 1.75 
Reported by: SHAVE Project

Hail in BROWN, SOUTH DAKOTA
From 09-JUL-13 18:15:00 to 09-JUL-13 18:15:00 (CST-6)
Location: PUTNEY
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in BROWN, SOUTH DAKOTA
From 09-JUL-13 18:23:00 to 09-JUL-13 18:23:00 (CST-6)
Location: GROTON MUNI ARPT
Magnitude: 1.00 
Reported by: Fire Department/Rescue

Hail in BROWN, SOUTH DAKOTA
From 09-JUL-13 18:30:00 to 09-JUL-13 18:30:00 (CST-6)
Location: GROTON MUNI ARPT
Magnitude: 2.00 
Reported by: Public

Hail in BROWN, SOUTH DAKOTA
From 09-JUL-13 18:32:00 to 09-JUL-13 18:32:00 (CST-6)
Location: GROTON
Magnitude: 1.75 
Reported by: Emergency Manager

Hail in BROWN, SOUTH DAKOTA
From 09-JUL-13 18:34:00 to 09-JUL-13 18:34:00 (CST-6)
Location: GROTON
Magnitude: 1.50 
Reported by: Emergency Manager

Hail in BROWN, SOUTH DAKOTA
From 09-JUL-13 18:35:00 to 09-JUL-13 18:35:00 (CST-6)
Location: GROTON
Magnitude: 1.75 
Reported by: Public

Hail in DAY, SOUTH DAKOTA
From 09-JUL-13 18:42:00 to 09-JUL-13 18:42:00 (CST-6)
Location: ANDOVER
Magnitude: 1.00 
Reported by: Law Enforcement

Hail in DAY, SOUTH DAKOTA
From 09-JUL-13 19:00:00 to 09-JUL-13 19:00:00 (CST-6)
Location: BRISTOL
Magnitude: 1.50 
Reported by: Law Enforcement

Thunderstorm Wind in DAY, SOUTH DAKOTA
From 09-JUL-13 19:15:00 to 09-JUL-13 19:15:00 (CST-6)
Location: LILY
Magnitude: 52.00 EG
Reported by: Law Enforcement

An estimated wind gust of 60 mph was reported.