Hail and Damaging Winds in South Dakota, July 5, 2017

Name: Hail and Damaging Winds in South Dakota, July 5, 2017
Start: 2017-07-05T17:16
End: 2017-07-05T21:12
Location: South Dakota

July 5, 2017 · NWS ABR · 34 events in 9 counties and zones

Severe thunderstorms developed across parts of central and northeast South Dakota during the late afternoon and evening hours. Large hail up to the size of golf balls along with damaging winds up to 80 mph brought some structural and tree damage to the region.

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: None recorded
Crop damage: None recorded
Events: 34

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.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Aberdeen, SD wrote its last area forecast discussion before the first event at Jul 5, 5:14 PM CST, 2 minutes earlier.

Area forecast discussion, Jul 5, 5:14 PM CST, 2 minutes before

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Hazardous weather outlook, Jul 5, 2:04 PM CST, 3 hours 12 minutes before

Hazardous Weather Outlook...UPDATED
National Weather Service Aberdeen SD
304 PM CDT Wed Jul 5 2017

MNZ039-046-SDZ003>011-015>023-033>037-045-048-051-062015-
Traverse-Big Stone-Corson-Campbell-McPherson-Brown-Marshall-
Roberts-Walworth-Edmunds-Day-Dewey-Potter-Faulk-Spink-Clark-
Codington-Grant-Hamlin-Deuel-Stanley-Sully-Hughes-Hyde-Hand-Jones-
Lyman-Buffalo-
304 PM CDT Wed Jul 5 2017 /204 PM MDT Wed Jul 5 2017/

This Hazardous Weather Outlook is for portions of west central
Minnesota, central South Dakota, north central South Dakota, and
northeast South Dakota.

.DAY ONE...This Afternoon and Tonight

Heat indices of 95 to 105 degrees can be expected today.

An isolated thunderstorm may develop late in the afternoon or
early evening and could become strong, although the best chance
for thunderstorms will be after midnight across far northeast
South Dakota and west central Minnesota as a system tracks
southeast out of North Dakota. Stronger storms may produce large
hail or damaging winds.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

The combination of breezy northerly winds, dry air, and warm
temperatures will produce high to very high fire danger for
counties along and west of the James River on Thursday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

In the hours before

Special weather statement, Jul 5, 4:12 PM CST, 1 hour 4 minutes before

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Special weather statement, Jul 5, 4:34 PM CST, 42 minutes before

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Special weather statement, Jul 5, 4:51 PM CST, 25 minutes before

Special Weather Statement
National Weather Service Aberdeen SD
551 PM CDT WED JUL 5 2017

SDZ003-004-009-052330-
Walworth SD-Campbell SD-Corson SD-
551 PM CDT WED JUL 5 2017

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN CORSON...
SOUTHWESTERN CAMPBELL AND NORTHWESTERN WALWORTH COUNTIES UNTIL 630 PM
CDT/530 PM MDT/...

At 551 PM CDT/451 PM MDT/, Doppler radar was tracking a strong
thunderstorm over Mahto, or 9 miles southeast of Mclaughlin, moving
east at 25 mph.

Nickel size hail and wind gusts up to 50 mph will be possible with
this storm.

Locations impacted include...
Wakpala, Mahto and Indian Memorial Rec Area.

LAT...LON 4569 10080 4589 10069 4580 10025 4556 10044
TIME...MOT...LOC 2251Z 291DEG 20KT 4574 10066

Serr

The radar

The Aberdeen radar (KABR), 20 km away, was scanning. The volume nearest the first event began at 23:17 UTC.

Open the radar archive at this moment

Event by event

20 thunderstorm wind, 14 hail. Local standard time, as filed.

Thunderstorm Wind, Brown

When: July 5, 5:16 PM CST
Where: Brown County, 1.46 mi NNW of Richmond
Measured: 70 kt (81 mph) measured gust
Reported by: Mesonet
Coordinates: 45.540, -98.640

Hail, Corson

When: July 5, 4:20 PM MST
Where: Corson County, 4.56 mi ESE of Wakpala
Measured: 0.88 in hail
Reported by: Public
Coordinates: 45.650, -100.440

Hail, Brown

When: July 5, 5:21 PM CST
Where: Brown County, 2.38 mi NW of Aberdeen
Measured: 1 in hail
Reported by: Trained Spotter
Coordinates: 45.490, -98.520

Hail, Brown

When: July 5, 5:22 PM CST
Where: Brown County, 1.45 mi E of Richmond
Measured: 1 in hail
Reported by: Trained Spotter
Coordinates: 45.520, -98.600

Hail, Corson

When: July 5, 4:23 PM MST
Where: Corson County, 16.69 mi S of Black Horse
Measured: 1.5 in hail
Reported by: Public
Coordinates: 45.480, -101.420

Ping pong sized hail damaged or destroyed some crops.

Hail, Edmunds

When: July 5, 5:26 PM CST
Where: Edmunds County, 2.93 mi NNE of Mina
Measured: 0.88 in hail
Reported by: Emergency Manager
Coordinates: 45.470, -98.750

Thunderstorm Wind, Edmunds

When: July 5, 5:28 PM CST
Where: Edmunds County, 4.39 mi NNE of Mina
Measured: 70 kt (81 mph) estimated gust
Reported by: Public
Coordinates: 45.490, -98.740

Estimated eighty mph winds destroyed a barn with a person inside. The person was not injured. Two cows were killed by flying debris.

Thunderstorm Wind, Edmunds

When: July 5, 5:31 PM CST
Where: Edmunds County, 2.38 mi NE of Mina
Measured: 70 kt (81 mph) estimated gust
Reported by: Trained Spotter
Coordinates: 45.450, -98.730

Eighty mph winds downed numerous trees along Mina Lake. A portion of a metal shed roof was removed along with several docks, boat lifts, and pontoons flipped on the lake.

Thunderstorm Wind, Edmunds

When: July 5, 5:32 PM CST
Where: Edmunds County, 2.13 mi NNE of Mina
Measured: 61 kt (70 mph) estimated gust
Reported by: NWS Employee
Coordinates: 45.460, -98.760

Seventy mph winds downed two large trees.

Hail, Brown

When: July 5, 5:48 PM CST
Where: Brown County, 0.48 mi E of Bath
Measured: 1 in hail
Reported by: Law Enforcement
Coordinates: 45.470, -98.320

Hail, Brown

When: July 5, 5:48 PM CST
Where: Brown County, 1.46 mi NNE of Bath
Measured: 1.75 in hail
Reported by: Public
Coordinates: 45.490, -98.320

Hail, Brown

When: July 5, 6:00 PM CST
Where: Brown County, 2.13 mi SSW of James
Measured: 1.75 in hail
Reported by: Public
Coordinates: 45.440, -98.230

Hail, Brown

When: July 5, 6:05 PM CST
Where: Brown County, 6.25 mi SSW of Warner
Measured: 1 in hail
Reported by: Trained Spotter
Coordinates: 45.240, -98.560

Thunderstorm Wind, Spink

When: July 5, 6:17 PM CST
Where: Spink County, 0.69 mi N of Northville
Measured: 65 kt (75 mph) estimated gust
Reported by: Public
Coordinates: 45.160, -98.580

Estimated seventy-five mph winds downed five empty grain bins.

Thunderstorm Wind, Dewey

When: July 5, 5:22 PM MST
Where: Dewey County, 4.26 mi NNE of Eagle Butte
Measured: 56 kt (64 mph) measured gust
Reported by: Mesonet
Coordinates: 45.060, -101.210

Hail, Spink

When: July 5, 6:25 PM CST to 6:32 PM CST
Where: Spink County, 0.69 mi N of Northville
Measured: 0.88 in hail
Reported by: Fire Department/Rescue
Coordinates: 45.160, -98.580

Thunderstorm Wind, Spink

When: July 5, 6:25 PM CST
Where: Spink County, 0.69 mi N of Northville
Measured: 52 kt (60 mph) estimated gust
Reported by: Fire Department/Rescue
Coordinates: 45.160, -98.580

Sixty mph winds downed some large tree branches along with causing some roof damage.

Hail, Spink

When: July 5, 6:55 PM CST
Where: Spink County, Ashton
Measured: 1 in hail
Reported by: Trained Spotter
Coordinates: 45.000, -98.500

Thunderstorm Wind, Stanley

When: July 5, 6:17 PM MST
Where: Stanley County, 8.05 mi ENE of Sansarc
Measured: 52 kt (60 mph) estimated gust
Reported by: Public
Coordinates: 44.560, -100.890

Sixty mph winds downed many large tree branches along with one tree.

Thunderstorm Wind, Stanley

When: July 5, 6:20 PM MST
Where: Stanley County, 7.95 mi SSW of Mission Ridge
Measured: 52 kt (60 mph) estimated gust
Reported by: Public
Coordinates: 44.580, -100.850

Sixty mph winds took the door off an outbuilding.

Hail, Spink

When: July 5, 7:34 PM CST
Where: Spink County, 2.85 mi SE of Crandon
Measured: 1 in hail
Reported by: Public
Coordinates: 44.740, -98.410

Hail, Brown

When: July 5, 7:48 PM CST
Where: Brown County, 1.19 mi SW of Frederick
Measured: 1.5 in hail
Reported by: Public
Coordinates: 45.820, -98.540

Thunderstorm Wind, Hughes

When: July 5, 7:49 PM CST
Where: Hughes County, 0.49 mi W of (Pir)pierre Arpt
Measured: 55 kt (63 mph) measured gust
Reported by: ASOS
Coordinates: 44.380, -100.290

Thunderstorm Wind, Hughes

When: July 5, 8:00 PM CST
Where: Hughes County, 4.43 mi W of Blunt
Measured: 52 kt (60 mph) measured gust
Reported by: Mesonet
Coordinates: 44.520, -100.070

Thunderstorm Wind, Hughes

When: July 5, 8:00 PM CST
Where: Hughes County, 0.49 mi W of Harrold Arpt
Measured: 57 kt (66 mph) measured gust
Reported by: Mesonet
Coordinates: 44.530, -99.740

Hail, Brown

When: July 5, 8:05 PM CST
Where: Brown County, 7.12 mi NE of Barnard
Measured: 1 in hail
Reported by: Trained Spotter
Coordinates: 45.790, -98.380

Thunderstorm Wind, Hyde

When: July 5, 8:07 PM CST
Where: Hyde County, 0.49 mi W of Highmore Arpt
Measured: 50 kt (58 mph) measured gust
Reported by: Mesonet
Coordinates: 44.530, -99.440

Thunderstorm Wind, Hughes

When: July 5, 8:10 PM CST
Where: Hughes County, 3.96 mi W of De Grey
Measured: 50 kt (58 mph) measured gust
Reported by: Mesonet
Coordinates: 44.280, -100.000

Thunderstorm Wind, Hyde

When: July 5, 8:15 PM CST
Where: Hyde County, 0.49 mi W of Highmore
Measured: 61 kt (70 mph) estimated gust
Reported by: Public
Coordinates: 44.520, -99.440

A large tree was downed by estimated seventy mph winds.

Thunderstorm Wind, Lyman

When: July 5, 8:20 PM CST
Where: Lyman County, 3.71 mi NW of Mc Clure
Measured: 66 kt (76 mph) measured gust
Reported by: Mesonet
Coordinates: 44.120, -100.300

Thunderstorm Wind, Lyman

When: July 5, 8:28 PM CST
Where: Lyman County, 0.85 mi NW of Presho
Measured: 52 kt (60 mph) measured gust
Reported by: Mesonet
Coordinates: 43.910, -100.060

Thunderstorm Wind, Lyman

When: July 5, 8:35 PM CST
Where: Lyman County, 0.85 mi NW of Presho
Measured: 58 kt (67 mph) measured gust
Reported by: Mesonet
Coordinates: 43.910, -100.060

Thunderstorm Wind, Lyman

When: July 5, 8:36 PM CST
Where: Lyman County, 0.85 mi SW of Presho Muni Arpt
Measured: 64 kt (74 mph) measured gust
Reported by: Mesonet
Coordinates: 43.910, -100.040

Thunderstorm Wind, Lyman

When: July 5, 9:12 PM CST
Where: Lyman County, 0.5 mi E of Reliance Arpt
Measured: 55 kt (63 mph) measured gust
Reported by: Mesonet
Coordinates: 43.850, -99.560

What these are

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.
Hail: Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.

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

The same day elsewhere

Every storm in South Dakota in 2017 Every state in 2017 This day in weather history Warnings in South Dakota, July 2017

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 2026-10-01. Each event’s entry at NCEI: 713810, 713749, 713751, 713747, 713759, 713761, 713790, 713794, 713798, 713764, 713765, 713768, 713772, 713803, 713812, 713777, 713832, 713779, 713816, 713818, 713781, 713782, 713819, 713821, 713822, 713783, 713823, 713824, 713807, 713826, 713827, 713829, 713830, 713831.