South Dakota, 2013

Flash Flood and Hail in South Dakota, September 18 to 19, 2013

September 18 to 19, 2013 · NWS ABR · 36 events in 11 counties and zones

A surface low pressure system, along with an upper level trough of low pressure brought widespread severe weather across north central and northeastern South Dakota. Severe storms produced large hail up to two inches in diameter, winds up to 70 mph, along with some isolated flash flooding.

Where it happened

Every event with a place to put it. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
$5,000
Crop damage
None recorded
Events
36

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS ABR wrote it up.

A surface low pressure system, along with an upper level trough of low pressure brought widespread severe weather across north central and northeastern South Dakota. Severe storms produced large hail up to two inches in diameter, winds up to 70 mph, along with some isolated flash flooding. These conditions caused damage to homes, vehicles, crops, and trees. Locally heavy rainfall of 2 to 5 inches in Spink County resulted in some flash flooding.

The radar

The Aberdeen radar (KABR), 52 km away, was scanning. The volume nearest the first event began at 23:01 UTC.

Open the radar archive at this moment

Event by event

21 hail, 14 thunderstorm wind, 1 flash flood. Local standard time, as filed.

Hail, Brown

When
September 18, 5:00 PM CST
Where
Brown County, 7.28 mi WNW of Hecla
Measured
2 in hail
Reported by
Trained Spotter
Coordinates
45.920, -98.290

Large hail caused some minor crop damage.

Hail, Hand

When
September 18, 5:37 PM CST
Where
Hand County, 18.16 mi E of Polo
Measured
1 in hail
Reported by
Public
Coordinates
44.790, -98.730

Hail, Hand

When
September 18, 5:50 PM CST
Where
Hand County, 15.28 mi ENE of Polo
Measured
1.25 in hail
Reported by
Public
Coordinates
44.840, -98.800

Hail, Brown

When
September 18, 5:50 PM CST
Where
Brown County, 0.48 mi E of Bath
Measured
1 in hail
Reported by
Emergency Manager
Coordinates
45.470, -98.320

Hail, Brown

When
September 18, 6:01 PM CST
Where
Brown County, 2.76 mi N of Tacoma Park
Measured
1.75 in hail
Reported by
Emergency Manager
Coordinates
45.570, -98.250

Golf ball size hail caused some damage to vehicles.

Thunderstorm Wind, Dewey

When
September 18, 5:13 PM MST
Where
Dewey County, 2.07 mi S of Firesteel
Measured
56 kt (64 mph) estimated gust
Reported by
Law Enforcement
Coordinates
45.400, -101.280

Law enforcement estimated 60 to 65 mph wind gusts.

Thunderstorm Wind, Stanley

When
September 18, 5:20 PM MST
Where
Stanley County, 10.67 mi ENE of Hayes Hamilton Arpt
Measured
61 kt (70 mph) estimated gust
Reported by
Trained Spotter
Coordinates
44.690, -101.100

A trained spotter estimated 65 to 70 mph wind gusts.

Thunderstorm Wind, Corson

When
September 18, 5:25 PM MST
Where
Corson County, 16.38 mi SW of Little Eagle
Measured
61 kt (70 mph) estimated gust
Reported by
Public
Coordinates
45.510, -101.070

An estimated 70 mph wind gust was reported by the public.

Hail, Spink

When
September 18, 6:40 PM CST
Where
Spink County, Redfield
Measured
1 in hail
Reported by
Law Enforcement
Coordinates
44.870, -98.520

Hail, Dewey

When
September 18, 5:41 PM MST
Where
Dewey County, 12.75 mi SSE of Thatcher
Measured
1 in hail
Reported by
Public
Coordinates
44.860, -100.800

Hail, Brown

When
September 18, 6:45 PM CST
Where
Brown County, 3.57 mi NE of Groton Muni Arpt
Measured
1.75 in hail
Reported by
Emergency Manager
Coordinates
45.560, -98.040

Thunderstorm Wind, Dewey

When
September 18, 6:00 PM MST
Where
Dewey County, 2.29 mi NNW of Promise
Measured
52 kt (60 mph) estimated gust
Reported by
Public
Coordinates
45.360, -100.620

An estimated 60 mph wind gust was reported by the public.

Thunderstorm Wind, Dewey

When
September 18, 6:00 PM MST
Where
Dewey County, 12.78 mi SSE of La Plant
Measured
61 kt (70 mph) estimated gust
Reported by
Public
Coordinates
44.950, -100.610

An estimated 70 mph wind brought down a few branches.

Thunderstorm Wind, Corson

When
September 18, 6:15 PM MST
Where
Corson County, 2.29 mi SSE of Mahto
Measured
54 kt (62 mph) measured gust
Reported by
Mesonet
Coordinates
45.740, -100.660

Hail, Spink

When
September 18, 7:15 PM CST
Where
Spink County, 1.47 mi W of Redfield Arpt
Measured
1.75 in hail
Reported by
Public
Coordinates
44.850, -98.560

Thunderstorm Wind, Walworth

When
September 18, 7:24 PM CST
Where
Walworth County, 0.84 mi NW of Mobridge
Measured
52 kt (60 mph) estimated gust
Reported by
Law Enforcement
Coordinates
45.540, -100.440

Law enforcement estimated 60 mph winds in Mobridge.

Thunderstorm Wind, Campbell

When
September 18, 7:45 PM CST
Where
Campbell County, 2.37 mi SW of Pollock
Measured
52 kt (60 mph) estimated gust
Reported by
Public
Coordinates
45.880, -100.320

The public estimated wind gusts of 60 mph.

Thunderstorm Wind, Edmunds

When
September 18, 7:45 PM CST
Where
Edmunds County, 0.84 mi SW of Bowdle
Measured
50 kt (58 mph) measured gust
Reported by
Mesonet
Coordinates
45.440, -99.680

Thunderstorm Wind, Campbell

When
September 18, 7:46 PM CST
Where
Campbell County, 7.62 mi S of Pollock
Measured
52 kt (60 mph) estimated gust
Reported by
Fire Department/Rescue
Coordinates
45.790, -100.290

Sixty mph wind gusts were reported by the fire department.

Thunderstorm Wind, Campbell

When
September 18, 8:09 PM CST
Where
Campbell County, 1.46 mi NNW of Herreid Muni Arpt
Measured
52 kt (60 mph) measured gust
Reported by
Mesonet
Coordinates
45.870, -100.080

Hail, Spink

When
September 18, 8:15 PM CST
Where
Spink County, 2.4 mi NW of Crandon
Measured
1.75 in hail
Reported by
Public
Coordinates
44.790, -98.490

Hail, Spink

When
September 18, 8:45 PM CST
Where
Spink County, 4.8 mi NW of Tulare
Measured
1.5 in hail
Reported by
Public
Coordinates
44.770, -98.580

Hail, Spink

When
September 18, 8:45 PM CST
Where
Spink County, 1.96 mi W of Frankfort
Measured
1 in hail
Reported by
Public
Coordinates
44.870, -98.340

Hail, Spink

When
September 18, 8:45 PM CST
Where
Spink County, 3.59 mi SSE of Redfield Arpt
Measured
1.75 in hail
Reported by
Law Enforcement
Coordinates
44.800, -98.510

The large hail cracked the windshield of a police cruiser.

Thunderstorm Wind, Brown

When
September 18, 8:48 PM CST
Where
Brown County, 1.69 mi NE of Richmond
Measured
52 kt (60 mph) estimated gust
Reported by
NWS Employee
Coordinates
45.540, -98.610

Sixty mph wind gusts were reported.

Thunderstorm Wind, Brown

When
September 18, 8:49 PM CST
Where
Brown County, 1.69 mi NE of Richmond
Measured
52 kt (60 mph) estimated gust
Reported by
NWS Employee
Coordinates
45.540, -98.610

Sixty mph winds were reported.

Hail, Spink

When
September 18, 8:50 PM CST
Where
Spink County, 2.29 mi SSW of Frankfort
Measured
1 in hail
Reported by
Public
Coordinates
44.840, -98.320

Hail, Brown

When
September 18, 8:51 PM CST
Where
Brown County, 1.69 mi NE of Richmond
Measured
1 in hail
Reported by
Public
Coordinates
45.540, -98.610

Hail, Clark

When
September 18, 8:55 PM CST
Where
Clark County, 4.26 mi SSE of Raymond
Measured
1.25 in hail
Reported by
Public
Coordinates
44.860, -97.900

Half dollar size hail caused some minor crop damage.

Hail, Brown

When
September 18, 9:00 PM CST
Where
Brown County, Aberdeen
Measured
1.5 in hail
Reported by
NWS Employee
Coordinates
45.470, -98.480

Hail, Brown

When
September 18, 9:03 PM CST
Where
Brown County, Aberdeen
Measured
1.75 in hail
Reported by
NWS Employee
Coordinates
45.470, -98.480

Golf ball size hail caused damage to many vehicles in north Aberdeen along with a few structures receiving some siding and roof damage.

Thunderstorm Wind, Brown

When
September 18, 9:04 PM CST
Where
Brown County, Westport
Measured
56 kt (64 mph) estimated gust
Reported by
Public
Coordinates
45.650, -98.500

An estimated 65 mph wind gust brought some branches down.

Hail, Brown

When
September 18, 9:15 PM CST
Where
Brown County, 3.39 mi W of Plana
Measured
1 in hail
Reported by
Public
Coordinates
45.520, -98.390

Hail, Hamlin

When
September 18, 9:55 PM CST
Where
Hamlin County, 4.88 mi WNW of Hazel
Measured
1 in hail
Reported by
Emergency Manager
Coordinates
44.780, -97.460

Flash Flood, Spink

When
September 18, 10:00 PM CST to September 19, 2:00 AM CST
Where
Spink County, 2.29 mi SSW of Frankfort to 2.4 mi SSW of Frankfort
Cause
Heavy Rain
Property damage
$5,000
Reported by
Public
Coordinates
44.840, -98.320

A section of a gravel driveway was washed out requiring some repairs.

Hail, Clark

When
September 18, 10:30 PM CST
Where
Clark County, 3.69 mi WNW of Clark
Measured
1 in hail
Reported by
Public
Coordinates
44.900, -97.790

What these are

Hail
Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
Thunderstorm Wind
Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.
Flash Flood
Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in South Dakota in 2013Every state in 2013This day in weather historyWarnings in South Dakota, September 2013

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 477007, 477011, 477013, 477014, 477017, 477008, 477009, 477010, 477019, 477012, 477020, 477015, 477016, 477018, 477021, 477022, 477023, 477024, 477025, 477026, 477027, 477028, 477029, 477030, 477031, 477032, 477033, 477034, 477035, 477036, 477037, 477038, 477039, 477040, 477042, 477043.