Name: Hail in South Dakota, August 24, 2002
Start: 2002-08-24T15:38
End: 2002-08-24T15:38
Location: South Dakota

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: 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 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 Aug 24, 1:30 PM MST, 2 hours 8 minutes earlier.

Area forecast discussion, Aug 24, 1:30 PM MST, 2 hours 8 minutes before

AREA FORECAST DISCUSSION FOR WESTERN SD AND NORTHEASTERN WY
NATIONAL WEATHER SERVICE RAPID CITY SD
230 PM MDT SAT AUG 24 2002

MID LEVEL CIRCULATION SEEN IN WATER VAPOR PICS OVER SRN MT...WITH
TROF AXIS EXTENDING SEWD INTO WRN NEB. JET STREAK IS NOW ENTERING
WRN WY. CONVECTION ALREADY FIRING OVR WRN HALF OF CWFA WHERE CAPPING
INVERSION HAS WEAKENED SIGNIFICANTLY. HOWEVER...MID/HI LVL CLDS HAVE
KEPT CAP IN PLACE OVR WRN SD PLAINS. CONCERNS EVE REMAIN HEAVY RAIN
POTENTIAL WITH SLOW STORM MOTIONS...MAINLY EARLY THIS EVE...AS WELL
AS LARGE HAIL.

MID LEVEL TROF AXIS WILL LIFT SLOWLY NEWD ACRS CWFA THIS EVE. PLENTY
OF UVV WILL BE GENERATED FOR WIDESPREAD CONVECTIVE ACTIVITY. SHEAR
VALUES ARE MINIMAL ACRS FAR NERN ZONES...BUT INCREASE IN VALUE
TOWARDS THE SWRN ZONES. THEREFORE...EXPECT MOST INTENSE ROTATING
UPDRAFTS TO REMAIN OVR OR JUST SOUTH OF SWRN ZONES.
HOWEVER...POTENTIAL STILL IN PLACE FOR LOCALLY HEAVY RAINS AS STORM
MOTIONS WILL BE VERY SLOW...AND ALSO FOR LARGE HAIL WITH MID LVL
COLD POCKET AND LOW WET-BULB ZERO TEMPS. THE ACTIVITY WILL COME TO
AN END LATER THIS EVE IN THE SW...AND LIKELY CONT THRU THE NIGHT IN
THE NE.

NRN STREAM TROF WILL WORK SLOWLY EWD THRU NRN PLAINS/SRN CANADA
REMAINDER OF 3 DAY FCST. THIS WILL KEEP CWFA UNDER SW FLOW ALOFT FOR
CONTD UNSETTLED WX AND NEAR CLIMO TEMPS. HOWEVER...HEAVY RAIN THREAT
APPEARS TO DECREASE AS PRECIP H20 VALUES LOWER AND FASTER MID LVL
FLOW RETURNS.

EXTENDED...MED RANGE GUIDANCE SUGGESTS PAC COAST TROF MOVG LITTLE
THRU THU...THUS KEEPING CWFA IN UNSETTLED PATTERN. IT IS DIFFICULT
TO TIME SHORT WAVES SO WILL KEEP CHC PCPN IN FCST THU DAY 5. WEAK
RIDGING MAY CUT OFF MOISTURE SOURCE TOWARDS END OF WEEK.

.UNR...FLOOD WATCH CONTINUES UNTIL SAT EVE FOR BLKHLS PORTIONS OF
       LAWRENCE COUNTY.

JOHNSON

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

1 hail. Local standard time, as filed.

Hail, Lawrence

When: August 24, 3:38 PM MST
Where: Lawrence County, 3 mi ESE of Deadwood
Measured: 0.75 in hail
Reported by: TRAINED SPOTTER
Coordinates: 44.367, -103.650

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 2002 Every state in 2002 This day in weather history Warnings in South Dakota, August 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: 5310803.