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 Twin Cities, MN wrote its last area forecast discussion before the first event at Jun 17, 2:00 PM CST, 12 hours earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 300 PM CDT MON JUN 17 2002 WEAK AREA OF CONVECTION IS BEING MAINTAINED BY MID LEVEL THETA-E ADVECTION GENERATED BY A SHORT WAVE TROUGH...NOW INTO S CENTRAL MN. THE PROBLEM WILL BE REDEVELOPMENT TONIGHT. MODELS ARE SIMILAR IN GENERATING STRONG 850-700 MB THETA-E ADVECTION AHEAD OF THE NEXT SHORT WAVE TROUGH...NOW OVER WRN SD. BEST INSTABILITY AND INSTABILITY GRADIENT APPEARS TO DEVELOP IN WRN AND SRN ZONES...BUT CLOUDS AND A FEW SHOWERS COULD SPREAD INTO E CENTRAL MN AS WELL. SRLY FLOW BRINGS HIGHER DEWPOINTS AND WARM ADVECTION AHEAD OF THE A STRONGER TROUGH...FORECAST TO CROSS THE NRN ROCKIES BY TUE AFTERNOON. HEATING COULD BE AFFECTED BY DEBRIS FROM EARLY MORNING CONVECTION (AS TODAY) AND THE AVN IS SLOWER THAN THE ETA IN DRIVING THE WARM AIR INTO MN. IT APPEARS THE BEST CHANCE FOR SEVERE WEATHER WILL BE IN WRN MN ZONES. WEDNESDAY WILL ALSO BE WARM AND UNSTABLE WITH BETTER DYNAMICS FOR MUCH OF MN AND NW WI. AN MCS IS POSSIBLE WEDNESDAY NIGHT IN MN. A SHORT WAVE RIDGE IS FORECAST FOR THURSDAY...WITH ANOTHER TROUGH SHOWING POTENTIAL FOR AN MCS SOMEWHERE IN MN FRIDAY NIGHT AND SATURDAY MORNING. .MSP...NONE. CWS
The Minneapolis radar (KMPX), 134 km away, was scanning. The volume nearest the first event began at 08:01 UTC.
1 flash flood. Local standard time, as filed.
Total rainfall of 3.5 to 5 inches fell across much of the county, mainly from Delavan to Frost and Walters. Water covered a few roads in several townships, and washed away 35 acres of corn near Frost.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Minnesota in 2002Every state in 2002This day in weather historyWarnings in Minnesota, June 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: 5301925.