Thunderstorm Wind, McPherson
- When
- April 18, 1:15 AM CST
- Where
- McPherson County, 9 mi E of Leola
- Measured
- 61 kt (70 mph)
- Reported by
- TRAINED SPOTTER
- Coordinates
- 45.717, -98.767
Hail and Damaging Winds in South Dakota, April 18, 2002
2 thunderstorm wind, 1 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
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 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 Apr 17, 8:15 PM CST, 5 hours earlier.
Area forecast discussion, Apr 17, 8:15 PM CST, 5 hours before
AREA FORECAST DISCUSSION FOR CENTRAL/N-EAST SD AND W-CENTRAL MN NATIONAL WEATHER SERVICE ABERDEEN SD 915 PM CDT WED APR 17 2002 FOR NOW SEE NO COMPELLING REASON TO CHANGE FORECAST. DESTABILIZATION ABOVE THE BOUNDARY LAYER IS STILL EXPECTED ALONG WITH A CONSEQUENT INCREASE IN TSRA LATE AS UPPER WAVE BEGINS MOVING OUT OF ROCKIES...AND WARM FRONT LIFTS NORTH. LOWS MIGHT BE A TOUCH LOW GIVEN SFC WINDS BUT STILL IN THE BALLPARK. .ABR...NONE. TDK
The radar
The Aberdeen radar (KABR), 40 km away, was scanning. The volume nearest the first event began at 07:16 UTC.
Event by event
2 thunderstorm wind, 1 hail. Local standard time, as filed.
Hail, Brown
- When
- April 18, 1:25 AM CST
- Where
- Brown County, 7 mi NW of Frederick
- Measured
- 0.75 in hail
- Reported by
- GENERAL PUBLIC
- Coordinates
- 45.900, -98.617
Thunderstorm Wind, Brown
- When
- April 18, 1:25 AM CST
- Where
- Brown County, 7 mi NW of Frederick
- Measured
- 52 kt (60 mph)
- Reported by
- GENERAL PUBLIC
- Coordinates
- 45.900, -98.617
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
- High Wind in Nebraska, April 18, 2002
- Tornadoes and Flooding in Wisconsin, April 18 to 19, 2002
- Tornadoes and Hail in Iowa, April 18, 2002
- Hail and Damaging Winds in Wisconsin, April 18, 2002
- High Wind in Iowa, April 18, 2002
- Flash Flood and Damaging Winds in Maryland, April 18, 2002
- Hail and Damaging Winds in Michigan, April 18, 2002
- Hail and Damaging Winds in Michigan, April 18, 2002
- Damaging Winds and Lightning Strikes in Virginia, April 18, 2002
- High Wind in Nebraska, April 18, 2002
- Hail and Damaging Winds in Wisconsin, April 18, 2002
- Tornado and Hail in Kansas, April 18 to 19, 2002
More
Every storm in South Dakota in 2002Every state in 2002This day in weather historyWarnings in South Dakota, April 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 2026-10-01. Each event’s entry at NCEI: 5293611, 5293612, 5293613.