1 flash flood, 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 May 28, 8:06 PM CST, 3 hours 44 minutes earlier.
AREA FORECAST DISCUSSION FOR SOUTHEAST SD/SOUTHWEST MN/NORTHWEST IA NATIONAL WEATHER SERVICE SIOUX FALLS SD 905 PM CDT TUE MAY 28 2002 SHWRS AND TSTMS DVLPD LATE THIS AFTN ALONG WEAK TROF MOVG E THRU IN EXTRM SE SD AND WEAK BNDRY FM NRN NE INTO NW IA ALNG THE MN BORDER THAT WAS SAGGING S. THE TSTMS WERE NOW WEAKING WITH SUNSET AND SHLD CONT TO DO SO TNGT. WILL HAVE SCTD SHWRS/TSTMS ENDING IN FAR ERN AND SE ZNS OVR SW MN...NW IA AND EXTRM NRN NE BY MDNGT. CRNT FCST LOWS LOOK GOOD FOR TNGT AS WNDS BCMG LGT...MAINLY FM S TO SW...AND PTCLDY SKIES. .FSD...NONE 45
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1159 PM CDT TUE MAY 28 2002
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0939 PM 2 WSW BURBANK SD .88 INCH HAIL
05/28/02 CLAY REPORTED BY PUBLIC.
1000 PM SERGEANT BLUFF IA .88 INCH HAIL
05/28/02 WOODBURY REPORTED BY LAW
ENFORCEMENT OFFICIAL.
1000 PM SIOUX CITY IA 1.25 INCH HAIL
05/28/02 WOODBURY REPORTED BY LAW
ENFORCEMENT OFFICIAL.
1008 PM SERGEANT BLUFF IA 1.75 INCH HAIL
05/28/02 WOODBURY REPORTED BY LAW
ENFORCEMENT OFFICIAL.
1050 PM OKOBOJI IA .88 INCH HAIL
05/28/02 DICKINSON REPORTED BY LAW
ENFORCEMENT OFFICIAL.
1051 PM 3 W SPIRIT LAKE IA .88 INCH HAIL
05/28/02 DICKINSON REPORTED BY STORM
SPOTTER.
1130 PM 4 W ELK PT SD .75 INCH HAIL
05/28/02 UNION REPORTED BY LAW
ENFORCEMENT OFFICIAL.The Omaha radar (KOAX), 122 km away, was scanning. The volume nearest the first event began at 05:48 UTC.
1 flash flood. Local standard time, as filed.
Street flooding was reported in much of Sioux City following heavy rain. The flooding was deep enough at some places to float cars.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Iowa in 2002Every state in 2002This day in weather historyWarnings in Iowa, May 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: 5295622.