Hail and Damaging Winds in South Dakota, July 2, 2020

Name: Hail and Damaging Winds in South Dakota, July 2, 2020
Start: 2020-07-02T17:06
End: 2020-07-02T19:05
Location: South Dakota

July 2, 2020 · NWS ABR · 3 events in 3 counties and zones

A line of storms moving in from western South Dakota brought strong wind gusts along with some hail and brief heavy rain. Isolated reports of penny size hail along with severe winds to sixty mph occurred.

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: 3

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 2, 4:26 PM MST, 40 minutes earlier.

Area forecast discussion, Jul 2, 4:26 PM MST, 40 minutes before

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Hazardous weather outlook, Jul 2, 2:14 AM MST, 14 hours 52 minutes before

Hazardous Weather Outlook
National Weather Service Aberdeen SD
414 AM CDT Thu Jul 2 2020

SDZ003-004-009-015-016-033>035-045-048-030915-
Corson-Campbell-Walworth-Dewey-Potter-Stanley-Sully-Hughes-Jones-
Lyman-
414 AM CDT Thu Jul 2 2020 /314 AM MDT Thu Jul 2 2020/

This Hazardous Weather Outlook is for central South Dakota and
north central South Dakota.

.DAY ONE...Today and tonight.

Strong to severe storms will be possible late this afternoon through
this evening. Some storms may be capable of producing golf ball size
hail and 60 mph wind gusts.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Additional afternoon and nighttime thunderstorms are possible Friday
through early next week. Some storms on Friday and Saturday could
become strong to severe.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be requested. Weather spotters are encouraged
to submit reports to the National Weather Service in Aberdeen. The
public can submit reports on our web page, Facebook page, or our
Twitter feed.

SDZ005-006-010-017>019-036-037-051-030915-
McPherson-Brown-Edmunds-Faulk-Spink-Clark-Hyde-Hand-Buffalo-
414 AM CDT Thu Jul 2 2020

This Hazardous Weather Outlook is for central South Dakota, north
central South Dakota and northeast South Dakota.

.DAY ONE...Today and tonight.

Thunderstorms will be possible tonight. While severe weather is not
expected, some storms could produce small hail and gusty winds.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Additional afternoon and nighttime thunderstorms are possible Friday
through early next week. Some storms on Friday and Saturday could
become strong to severe.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

MNZ039-046-SDZ007-008-011-020>023-030915-
Traverse-Big Stone-Marshall-Roberts-Day-Codington-Grant-Hamlin-Deuel-
414 AM CDT Thu Jul 2 2020

This Hazardous Weather Outlook is for west central Minnesota and
northeast South Dakota.

.DAY ONE...Today and tonight.

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Additional afternoon and nighttime thunderstorms are possible Friday
through early next week. Some storms on Friday and Saturday could
become strong to severe.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

SD

The radar

The Bismarck radar (KBIS), 131 km away, was scanning. The volume nearest the first event began at 00:05 UTC.

Open the radar archive at this moment

Event by event

2 thunderstorm wind, 1 hail. Local standard time, as filed.

Thunderstorm Wind, Corson

When: July 2, 5:06 PM MST
Where: Corson County, 11.1 mi S of Bullhead
Measured: 51 kt (59 mph) measured gust
Reported by: Mesonet
Coordinates: 45.610, -101.060

Thunderstorm Wind, Dewey

When: July 2, 5:16 PM MST
Where: Dewey County, 0.69 mi S of Parade
Measured: 52 kt (60 mph) estimated gust
Reported by: Trained Spotter
Coordinates: 45.020, -101.100

Sixty mph winds were estimated.

Hail, Stanley

When: July 2, 7:05 PM MST
Where: Stanley County, 2.07 mi S of Bunker
Measured: 0.75 in hail
Reported by: Public
Coordinates: 44.200, -101.100

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 2020 Every state in 2020 This day in weather history Warnings in South Dakota, July 2020

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: 907862, 907864, 907861.