Hail, Gregory
- When
- August 26, 4:20 AM CST
- Where
- Gregory County, 4 mi E of Fairfax
- Measured
- 0.75 in hail
- Reported by
- GENERAL PUBLIC
- Coordinates
- 43.033, -98.817
1 hail, as filed by the National Weather Service.
Every event with a place to put it. 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 26, 2:15 AM CST, 2 hours 5 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SIOUX FALLS SD 315 AM CDT MON AUG 26 2002 MODELS ARE IN REASONABLE AGREEMENT WITH MAJOR FEATURES...BUT CERTAINLY HAVE SOME DIFFERENCES ON WHEN AND WHERE RAINFALL CAN BE EXPECTED. GENERALLY USED A BLEND OF THE MESO ETA AND AVN. WILL MAKE A LAST MINUTE CALL ON THUNDERSTORMS WHICH WILL JUST CLIP THE EXTREME SOUTHWEST PART OF THE CWA BEFORE SUNRISE. THUNDERSTORMS WILL DEVELOP LATE AGAIN IN THE AFTERNOON IN CENTRAL SD AND MAY CATCH THE WESTERN CWA...SO WILL KEEP SOME LOW POPS THERE. DROPPED THE POPS THAT WERE IN THE FORECAST FOR THE EASTERN CWA FOR THIS AFTERNOON. THUNDERSTORMS WILL CONTINUE TO HAVE A DIFFICULT BUCKING THE RIDGE AND MOVING EAST ACROSS THE CWA TONIGHT AND TUESDAY. I LEFT MUCH OF NORTHWEST IA DRY TONIGHT...AND ONLY MENTIONED A SLIGHT CHANCE FOR TUESDAY. DETAILS OF WHEN AND WHAT AREAS WILL RECEIVE ANY RAINFALL FOR TUESDAY NIGHT AND WEDNESDAY BECOME QUITE SKETCHY...SO BROAD BRUSHED THE TIMING AND CHANCES OF THUNDERSTORMS THROUGH WEDNESDAY. ONLY MINOR CHANGES TO THE EARLIER TEMPERATURE FORECASTS WHICH FOLLOW FAIRLY CLOSE TO MOS GUIDANCE. NO CHANGES FOR THE EXTENDED FORECASTS FOR NOW. .FSD...NONE UMLAND
The Sioux Falls radar (KFSD), 180 km away, was scanning. The volume nearest the first event began at 10:17 UTC.
1 hail. Local standard time, as filed.
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: 5317689.