A line of severe thunderstorms with hail up to the size of golfballs and winds over 80 mph at times brought widespread property and crop damage to far northeast Brown, across Marshall and Roberts counties. The wind and hail caused the most damage to crops in a 20 mile to 70 mile long area from north of Britton over to Sisseton and into west central Minnesota. Much of the crops were shredded to the ground. In fact, approximately 30 percent (70,000 acres) of Marshall counties 227,000 acres of crops were damaged or destroyed.  Cities receiving the most damage from the line of storms were, Hecla, Andover, Britton, Kidder, Veblen, Roslyn, Langford, Lake City, Claire City, Sisseton, Waubay, Rosholt, and Wilmot.  Storm damage mostly included, trees and branches down, power lines and poles down, roof and siding damage from hail and fallen trees, some farm outbuildings damaged or destroyed, and many windows broke out of homes and vehicles.  Also, many boats, docks, and campers received some damage in the path of the storms. Specifically, an aerial crop spraying plane at the Sisseton airport was picked up and thrown 450 feet and landed upside down. In Claire City, a 55,000 bushel grain bin was blown off of it's foundation and flattened.  On a farm five miles north of Amherst, three large grain bins were blown over and damaged.

Thunderstorm Wind in ROBERTS, SOUTH DAKOTA
From 03-JUL-03 22:46:00 to 03-JUL-03 22:46:00 (CST)
Location: SISSETON
Magnitude: 58 MG
Reported by: AWOS,ASOS,MESONET,ETC

Hail in MARSHALL, SOUTH DAKOTA
From 03-JUL-03 21:55:00 to 03-JUL-03 21:55:00 (CST)
Location: BRITTON
Magnitude: 1.00 
Reported by: TRAINED SPOTTER

Hail in MARSHALL, SOUTH DAKOTA
From 03-JUL-03 22:00:00 to 03-JUL-03 22:00:00 (CST)
Location: KIDDER
Magnitude: 2.75 
Reported by: TRAINED SPOTTER

Hail in MARSHALL, SOUTH DAKOTA
From 03-JUL-03 22:00:00 to 03-JUL-03 22:00:00 (CST)
Location: BRITTON
Magnitude: 1.00 
Reported by: GENERAL PUBLIC

Thunderstorm Wind in DAY, SOUTH DAKOTA
From 03-JUL-03 22:45:00 to 03-JUL-03 22:45:00 (CST)
Location: WAUBAY
Magnitude: 61 EG
Reported by: LAW ENFORCEMENT

Thunderstorm Wind in MARSHALL, SOUTH DAKOTA
From 03-JUL-03 22:00:00 to 03-JUL-03 22:00:00 (CST)
Location: KIDDER
Magnitude: 70 EG
Reported by: LAW ENFORCEMENT

Eighty mph wind gusts along with large hail caused a lot of damage in and around Kidder.  Many vehicles and buildings were damaged by the large hail and wind including, broken windows, siding, and roof damage.  Many trees along with power lines and poles were downed by the high winds.

Thunderstorm Wind in MARSHALL, SOUTH DAKOTA
From 03-JUL-03 21:55:00 to 03-JUL-03 21:55:00 (CST)
Location: BRITTON
Magnitude: 70 EG
Reported by: TRAINED SPOTTER

High winds of 80 mph or higher knocked the blades off of a windmill, downed several large trees along with downing many power lines.

Hail in ROBERTS, SOUTH DAKOTA
From 03-JUL-03 22:46:00 to 03-JUL-03 22:46:00 (CST)
Location: SISSETON
Magnitude: 1.00 
Reported by: LAW ENFORCEMENT

Thunderstorm Wind in MARSHALL, SOUTH DAKOTA
From 03-JUL-03 22:00:00 to 03-JUL-03 22:00:00 (CST)
Location: KIDDER
Magnitude: 70 EG
Reported by: TRAINED SPOTTER

Hail in GRANT, SOUTH DAKOTA
From 03-JUL-03 23:40:00 to 03-JUL-03 23:40:00 (CST)
Location: MILBANK
Magnitude: 0.75 
Reported by: EMERGENCY MANAGER

Hail in ROBERTS, SOUTH DAKOTA
From 03-JUL-03 22:35:00 to 03-JUL-03 22:46:00 (CST)
Location: SISSETON
Magnitude: 1.00 
Reported by: GENERAL PUBLIC

Thunderstorm Wind in GRANT, SOUTH DAKOTA
From 03-JUL-03 23:23:00 to 03-JUL-03 23:23:00 (CST)
Location: MARVIN
Magnitude: 52 EG
Reported by: TRAINED SPOTTER

Thunderstorm Wind in MARSHALL, SOUTH DAKOTA
From 03-JUL-03 22:00:00 to 03-JUL-03 22:00:00 (CST)
Location: BRITTON
Magnitude: 61 EG
Reported by: LAW ENFORCEMENT

Hail in BROWN, SOUTH DAKOTA
From 03-JUL-03 21:51:00 to 03-JUL-03 21:51:00 (CST)
Location: FREDERICK
Magnitude: 1.25 
Reported by: LAW ENFORCEMENT

Thunderstorm Wind in BROWN, SOUTH DAKOTA
From 03-JUL-03 21:52:00 to 03-JUL-03 21:52:00 (CST)
Location: HECLA
Magnitude: 61 EG
Reported by: TRAINED SPOTTER

Thunderstorm Wind in BROWN, SOUTH DAKOTA
From 03-JUL-03 21:56:00 to 03-JUL-03 21:56:00 (CST)
Location: (ABR)ABERDEEN RGNL A
Magnitude: 53 MG
Reported by: AWOS,ASOS,MESONET,ETC

Thunderstorm Wind in BROWN, SOUTH DAKOTA
From 03-JUL-03 22:39:00 to 03-JUL-03 22:39:00 (CST)
Location: GROTON
Magnitude: 52 EG
Reported by: LAW ENFORCEMENT

Thunderstorm Wind in CODINGTON, SOUTH DAKOTA
From 03-JUL-03 23:15:00 to 03-JUL-03 23:15:00 (CST)
Location: WATERTOWN
Magnitude: 56 EG
Reported by: EMERGENCY MANAGER

Thunderstorm Wind in ROBERTS, SOUTH DAKOTA
From 03-JUL-03 23:10:00 to 03-JUL-03 23:10:00 (CST)
Location: CLAIRE CITY
Magnitude: 52 EG
Reported by: LAW ENFORCEMENT

Thunderstorm Wind in BROWN, SOUTH DAKOTA
From 03-JUL-03 21:41:00 to 03-JUL-03 21:41:00 (CST)
Location: FREDERICK
Magnitude: 52 EG
Reported by: LAW ENFORCEMENT

Thunderstorm Wind in MCPHERSON, SOUTH DAKOTA
From 03-JUL-03 21:35:00 to 03-JUL-03 21:35:00 (CST)
Location: SPRING CREEK COLONY
Magnitude: 52 EG
Reported by: GENERAL PUBLIC

Thunderstorm Wind in DAY, SOUTH DAKOTA
From 03-JUL-03 22:41:00 to 03-JUL-03 22:41:00 (CST)
Location: WAUBAY
Magnitude: 61 EG
Reported by: LAW ENFORCEMENT

Seventy mph winds knocked over many boats on the lake, damaged several campers and vehicles, along with downing many trees.

Thunderstorm Wind in BROWN, SOUTH DAKOTA
From 03-JUL-03 22:10:00 to 03-JUL-03 22:10:00 (CST)
Location: GROTON
Magnitude: 52 EG
Reported by: LAW ENFORCEMENT

Thunderstorm Wind in CLARK, SOUTH DAKOTA
From 03-JUL-03 23:01:00 to 03-JUL-03 23:01:00 (CST)
Location: CLARK
Magnitude: 52 EG
Reported by: LAW ENFORCEMENT

Thunderstorm Wind in ROBERTS, SOUTH DAKOTA
From 03-JUL-03 23:10:00 to 03-JUL-03 23:10:00 (CST)
Location: ROSHOLT
Magnitude: 52 EG
Reported by: TRAINED SPOTTER

Hail in DEWEY, SOUTH DAKOTA
From 03-JUL-03 18:43:00 to 03-JUL-03 18:43:00 (CST)
Location: EAGLE BUTTE
Magnitude: 0.75 
Reported by: TRAINED SPOTTER

Hail in DEWEY, SOUTH DAKOTA
From 03-JUL-03 19:38:00 to 03-JUL-03 19:38:00 (CST)
Location: TRAIL CITY
Magnitude: 1.25 
Reported by: TRAINED SPOTTER

Hail in WALWORTH, SOUTH DAKOTA
From 03-JUL-03 19:47:00 to 03-JUL-03 19:47:00 (CST)
Location: MOBRIDGE
Magnitude: 0.75 
Reported by: EMERGENCY MANAGER

Hail in MCPHERSON, SOUTH DAKOTA
From 03-JUL-03 21:35:00 to 03-JUL-03 21:35:00 (CST)
Location: SPRING CREEK COLONY
Magnitude: 1.00 
Reported by: GENERAL PUBLIC