South Dakota, 2002

Hail in South Dakota, September 18, 2002

September 18, 2002 · NWS FSD · 2 events in 2 counties and zones

2 hail, as filed by the National Weather Service.

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

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
2

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 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 Sioux Falls, SD wrote its last area forecast discussion before the first event at Sep 17, 8:07 PM CST, 6 hours 8 minutes earlier.

Area forecast discussion, Sep 17, 8:07 PM CST, 6 hours 8 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SIOUX FALLS SD
907 PM CDT TUE SEP 17 2002

HAVE TWEAKED DATABASE A BIT WITH RESPECT TO CLOUD COVERAGE AND DEW
POINTS. DEW POINTS ALREADY MOVING INTO THE LOW 60S ACROSS NORTHWEST
IOWA AND UPSTREAM INTO CENTRAL IOWA...THE DEW POINTS CLIMB INTO THE
MID 60S. HAVE ALSO ADDED A CHANCE FOR THUNDER TO THE SOUTHWEST CWA
AS MINOR CONVECTION CONTINUES TO PULSE UP AND DOWN ACROSS NORTH
CENTRAL NE ON THE NOSE OF AN INCOMING JET STREAK. JET STREAK WINDS
APPEAR TO BE MUCH STRONGER PER THE WATER VAPOR LOOP OVER CA AND NV
SO ANTICIPATE THIS ACTIVITY SHOULD CONTINUE THROUGHOUT THE NIGHT.

OTHERWISE TEMPERATURES IN PRETTY GOOD SHAPE WITH LOWS ABOUT 10 TO 15
DEGREES ABOVE NORMAL.

.FSD...NONE

08

The radar

The Sioux Falls radar (KFSD), 6 km away, was scanning. The volume nearest the first event began at 08:13 UTC.

Open the radar archive at this moment

Event by event

2 hail. Local standard time, as filed.

Hail, Lincoln

When
September 18, 2:15 AM CST
Where
Lincoln County, Sioux Falls
Measured
0.75 in hail
Reported by
NWS EMPLOYEE(OFF DUTY)
Coordinates
43.533, -96.733

Hail, Minnehaha

When
September 18, 2:20 AM CST
Where
Minnehaha County, Sioux Falls
Measured
0.75 in hail
Reported by
EMERGENCY MANAGER
Coordinates
43.533, -96.733

What these are

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

More

Every storm in South Dakota in 2002Every state in 2002This day in weather historyWarnings in South Dakota, September 2002

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: 5320637, 5320638.