Lightning, Yankton
- When
- August 30, 6:15 AM CST
- Where
- Yankton County, 3 mi NE of Yankton
- Reported by
- NEWSPAPER
- Coordinates
- 43.009, -97.395 (the zone’s center; the record gives no point)
Lightning caused a haystack fire.
1 lightning, as filed by the National Weather Service.
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
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.
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 Aug 30, 2:30 AM CST, 3 hours 45 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SIOUX FALLS SD 330 AM CDT FRI AUG 30 2002 MODELS ARE IN REASONABLY GOOD AGREEMENT. GENERALLY FOLLOWED THE ETA FOR THE EXPECTED RAINFALL PATTERN FROM THUNDERSTORMS FORECAST FOR TODAY AND EARLY THIS EVENING IN THE CWA. BEST POPS FOR THIS EVENING WILL BE CENTERED IN THE WESTERN CWA AND DIMINISH TO LESS THEN 20 PERCENT IN IDA AND BUENA VISTA COUNTIES OF NORTHWEST IOWA. SCATTERED THUNDERSTORMS DEVELOPED AFTER 07Z IN SOUTHEAST SD...AND SHOULD MOVE RAPIDLY NORTH. ADDITIONAL SCATTERED THUNDERSTORM DEVELOPMENT IS EXPECTED DURING THE COURSE OF THE DAY. THE AREA DRIES OUT BY EARLY EVENING. EARLIER FORECAST HAD INCLUDED A CHANCE OF THUNDERSTORMS IN THE NORTHWEST CWA LATE SATURDAY NIGHT...BUT DROPPED THAT AND ONLY INCLUDED POPS FOR SUNDAY AS NEXT WAVE COMES THROUGH THE AREA. LITTLE CHANGE IN TEMPERATURE FORECASTS FOR TODAY...AND THEN A WARM UP FOR SATURDAY. STAYED WITHIN A FEW DEGREES OF NGM MOS GUIDANCE VALUES THROUGH SUNDAY. NO CHANGE TO THE EXTENDED FORECAST FOR NOW. .FSD...NONE UMLAND
The Sioux Falls radar (KFSD), 84 km away, was scanning. The volume nearest the first event began at 12:14 UTC.
1 lightning. Local standard time, as filed.
Lightning caused a haystack fire.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in South Dakota in 2002Every state in 2002This day in weather historyWarnings in South Dakota, August 2002
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: 5317769.