Brown storm history
Storm events recorded in Brown, South Dakota between 1950 and 2025.
1,397
Total events
85
Tornadoes
434
Hail
186
Floods
10
Deaths
$11.2M
Property damage
Most significant events
Strongest tornadoes, deadliest events, and biggest damage in this county. Up to 50 shown.
Tornado F4 Tornado
Tornado F3 Tornado
Tornado F3 Tornado
Tornado F3 Tornado
Very heavy rains of 5 to nearly 10 inches fell within a 6 to 10 hour period across most of Brown county causing widespread flash flooding. Most of the cities affected included Aberdeen, Warner, Columbia, Hecla, Groton, Barnard, Bath, and Stratford. Several hundred homes, some bus…
High Wind High Wind
High Wind High Wind
High winds caused damage throughout the city of Aberdeen. A large branch fell on the south side of town, damaging a vehicle and a street light, while a downtown storefront window was shattered. Additionally, a section of fence was blown down at the residence of a National Weather…
Heavy Snow Heavy Snow
Blizzard Blizzard
Blizzard conditions of 1/4 mile visibility were observed by the Aberdeen Regional Airport ASOS beginning around 10:00 am. The peak wind gust recorded by the ASOS was 60 mph, while the South Dakota Department of Transportation Mesonet station in Frederick peaked at 69 mph. Approxi…
Flood Flood
The James River remained above flood stage from the beginning of the month until the early morning hours of October 20th. This was a continuation of flooding that began in August.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm winds caused a small metal shed to tip over.
Flood Flood
Despite cresting in August, the James River would remain in flood through much of the month of September. The James River near Columbia fell below flood stage late in the morning of September 22nd. This flooding mainly impacts agricultural bottomlands.
Flood Flood
The James River near Stratford started the month in flood, cresting at 15.39, or 1.39 feet above flood stage on September 24th. The river would remain in flood through the end of the month, mainly impacting agricultural bottomlands.
Flood Flood
The river would top out at 14.64 feet, or 0.64 feet above flood stage, at the end of the month. The flooding mainly impacted adjacent agricultural lands.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm Wind Thunderstorm Wind
Flood Flood
Thunderstorm Wind Thunderstorm Wind
Public reported tree damage by estimated thunderstorm winds around 60 mph.
Flood Flood
The river near Columbia went into flood at 9:15 p.m. CST on August 10th and remained in flood through the rest of the month. It crested at 15.15 feet, which is 2.15 feet above flood stage, primarily impacting agricultural lands.
Thunderstorm Wind Thunderstorm Wind
The Aberdeen Regional Airport Automated Surface Observing System (ASOS) recorded a peak gust of 60 mph.
Hail Hail
Hail Hail
Thunderstorm Wind Thunderstorm Wind
A caller stated that multiple large tree branches had come down at Lee Park golf course.
Thunderstorm Wind Thunderstorm Wind
Photos sent by the public included several large tree limbs down and plants in the garden flattened.
Thunderstorm Wind Thunderstorm Wind
Thunderstorm Wind Thunderstorm Wind
A trained spotter reported that hay bales had rolled across highway 12 due to thunderstorm winds.
Excessive Heat Excessive Heat
Thunderstorm Wind Thunderstorm Wind
A caller near the town of Frederick estimated a thunderstorm wind gust of 60 mph. No damage was noted.
Thunderstorm Wind Thunderstorm Wind
A 62 mph gust was recorded by a South Dakota Department of Transportation mesonet station two miles east-northeast of Aberdeen.
Flood Flood
An NWS employee reported that 3rd Avenue between Penn Street and South State Street in Aberdeen was closed due to flooding. A CoCoRaHS observer 1.5 miles south-southwest of downtown recorded 2.28 inches of rainfall.
Hail Hail
Hail Hail
Hail Hail
A caller stated the storm produced dime to penny sized hail, and that the hail had damaged crops.
Thunderstorm Wind Thunderstorm Wind
A member of the public reported that their fertilizer bin had been tipped over by estimated 70 mph winds, with the combination of winds and small hail responsible for crop damage.
Funnel Cloud Funnel Cloud
A funnel cloud was observed from the National Weather Service office in Aberdeen.
Tornado EF0 Tornado
A weak tornado touched down four miles southeast of the Aberdeen Regional Airport. It blew apart a swing set and launched a trampoline into a nearby cornfield. Spotty damage to the corn crop was also noted.
Thunderstorm Wind Thunderstorm Wind
The caller stated that an estimated 60 mph wind caused a large branch to break off of their tree.
Events by year
| Year | Events | Tornadoes |
|---|---|---|
| 2025 | 48 | 1 |
| 2024 | 31 | 0 |
| 2023 | 38 | 0 |
| 2022 | 73 | 3 |
| 2021 | 54 | 0 |
| 2020 | 69 | 1 |
| 2019 | 44 | 0 |
| 2018 | 23 | 0 |
| 2017 | 41 | 1 |
| 2016 | 47 | 0 |
| 2015 | 51 | 0 |
| 2014 | 30 | 0 |
| 2013 | 47 | 0 |
| 2012 | 30 | 1 |
| 2011 | 47 | 0 |
| 2010 | 54 | 2 |
| 2009 | 49 | 0 |
| 2008 | 45 | 1 |
| 2007 | 34 | 1 |
| 2006 | 19 | 0 |
| 2005 | 50 | 5 |
| 2004 | 18 | 2 |
| 2003 | 17 | 0 |
| 2002 | 24 | 5 |
| 2001 | 21 | 0 |
| 2000 | 36 | 1 |
| 1999 | 22 | 1 |
| 1998 | 19 | 1 |
| 1997 | 16 | 0 |
| 1996 | 29 | 7 |
| 1995 | 5 | 1 |
| 1994 | 7 | 1 |
| 1993 | 5 | 0 |
| 1992 | 21 | 0 |
| 1991 | 23 | 0 |
| 1990 | 11 | 2 |
| 1989 | 9 | 0 |
| 1988 | 14 | 0 |
| 1987 | 11 | 1 |
| 1986 | 17 | 1 |
| 1985 | 16 | 3 |
| 1984 | 8 | 3 |
| 1983 | 10 | 0 |
| 1982 | 8 | 1 |
| 1981 | 7 | 2 |
| 1980 | 14 | 7 |
| 1979 | 2 | 1 |
| 1978 | 6 | 1 |
| 1977 | 8 | 2 |
| 1976 | 3 | 0 |
| 1975 | 3 | 3 |
| 1974 | 6 | 1 |
| 1973 | 6 | 4 |
| 1972 | 7 | 2 |
| 1971 | 2 | 1 |
| 1970 | 3 | 2 |
| 1969 | 2 | 2 |
| 1968 | 1 | 0 |
| 1967 | 5 | 0 |
| 1966 | 4 | 2 |
| 1965 | 3 | 1 |
| 1964 | 3 | 0 |
| 1963 | 2 | 0 |
| 1962 | 1 | 0 |
| 1961 | 4 | 1 |
| 1960 | 2 | 1 |
| 1959 | 2 | 1 |
| 1957 | 4 | 3 |
| 1956 | 1 | 0 |
| 1955 | 5 | 2 |