Hail, Jackson
- When
- June 22, 3:45 PM MST
- Where
- Jackson County, Potato Creek
- Measured
- 0.75 in hail
- Reported by
- Trained Spotter
- Coordinates
- 43.530, -102.000
Flash Flood and Hail in South Dakota, June 22, 2018
A severe thunderstorm produced hail and strong wind gusts over portions of southwestern Jackson County. Heavy rainfall caused minor flooding in Potato Creek.
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
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 4
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 severe thunderstorm produced hail and strong wind gusts over portions of southwestern Jackson County. Heavy rainfall caused minor flooding in Potato Creek.
The radar
The Rapid City radar (KUDX), 94 km away, was scanning. The volume nearest the first event began at 22:46 UTC.
Event by event
2 hail, 1 thunderstorm wind, 1 flash flood. Local standard time, as filed.
Hail, Jackson
- When
- June 22, 3:55 PM MST
- Where
- Jackson County, 1 mi WSW of Potato Creek
- Measured
- 1.25 in hail
- Reported by
- Emergency Manager
- Coordinates
- 43.525, -102.018
Thunderstorm Wind, Jackson
- When
- June 22, 4:10 PM MST
- Where
- Jackson County, 4 mi ENE of Potato Creek
- Measured
- 61 kt (70 mph) estimated gust
- Reported by
- Emergency Manager
- Coordinates
- 43.552, -101.926
Several vehicles blown off the road at the intersection of SD Highway 44 and BIA 2.
Flash Flood, Jackson
- When
- June 22, 6:00 PM MST to 6:45 PM MST
- Where
- Jackson County, 1.47 mi WNW of Potato Creek to 5.2 mi SSW of Potato Creek
- Cause
- Heavy Rain
- Reported by
- Trained Spotter
- Coordinates
- 43.540, -102.026
Runoff from brief heavy rain flooded BIA Highway 2 at Potato Creek. Water was flowing over the road just east of the Potato Creek bridge. The runoff also caused street flooding in Potato Creek.
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
- Heat in Arizona, June 22 to 23, 2018
- Tornadoes and Damaging Winds in Alabama, June 22, 2018
- Damaging Winds in Mississippi, June 22, 2018
- Hail and Damaging Winds in Virginia, June 22, 2018
- Flash Flooding and Hail in Arkansas, June 22 to 24, 2018
- Tornado and Damaging Winds in Georgia, June 22, 2018
- Hail and Damaging Winds in Oklahoma, June 22 to 23, 2018
- Damaging Winds in Tennessee, June 22, 2018
- Tornado and Flood in Texas, June 22, 2018
- Damaging Winds in Virginia, June 22, 2018
- Flash Flooding and Flooding in Virginia, June 22, 2018
- Hail and Damaging Winds in Louisiana, June 22, 2018
More
Every storm in South Dakota in 2018Every state in 2018This day in weather historyWarnings in South Dakota, June 2018
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 2026-09-30. Each event’s entry at NCEI: 756755, 756756, 756759, 765163.