South Dakota, 2023

Tornado in South Dakota, June 21, 2023

June 21, 2023 · NWS UNR · 1 event in 1 county or zone

A thunderstorm produced a brief tornado southeast of Lemmon. No damage was reported.

Where it happened

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
1

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 UNR wrote it up.

A thunderstorm produced a brief tornado southeast of Lemmon. No damage was reported.

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 Rapid City, SD wrote its last area forecast discussion before the first event at Jun 21, 4:00 PM MST, 2 hours 19 minutes earlier.

Area forecast discussion, Jun 21, 4:00 PM MST, 2 hours 19 minutes before
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Hazardous weather outlook, Jun 21, 1:15 AM MST, 17 hours 4 minutes before
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In the hours before

Local storm report, Jun 21, 2:48 PM MST, 3 hours 31 minutes before
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The radar

The Bismarck radar (KBIS), 141 km away, was scanning. The volume nearest the first event began at 01:17 UTC.

Open the radar archive at this moment

Event by event

1 tornado. Local standard time, as filed.

Tornado, Perkins

When
June 21, 6:19 PM MST to 6:21 PM MST
Where
Perkins County, 8 mi SE of Lemmon to 6.89 mi SE of (Lem)lemmon Arpt
Rating
EF0
Path length
1.76 mi
Path width
50 yd
Reported by
Public
Coordinates
45.858, -102.042

A tornado briefly developed southeast of Lemmon. No damage was reported.

What these are

Tornado
A violently rotating column of air in contact with the ground and extending from a thunderstorm, filed with its path, width and Fujita or Enhanced Fujita rating from the damage survey.

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

The same day elsewhere

More

Every storm in South Dakota in 2023Every state in 2023This day in weather historyThe tornado archive for South Dakota, 2023Warnings in South Dakota, June 2023

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: 1099896.