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 Bismarck, ND wrote its last area forecast discussion before the first event at Aug 30, 1:40 PM CST, 2 hours 5 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BISMARCK ND 240 PM CDT FRI AUG 30 2002 MODELS IN FAIR AGREEMENT WITH MID LEVEL TROUGH OVER WESTERN NORTH DAKOTA MOVING NORTHEAST. FIRST S/W OVER CENTRAL NORTH DAKOTA WITH CLEARING OVER WESTERN SOUTH DAKOTA AND SOUTWEST NORTH DAKOTA. CONVECTION ALREADY STARTING TO BUBBLE ALONG CLEARING LINE WHERE VERY MOIST AND UNSTABLE AIR IS GETTING BEST SOLAR HEATING. SEVERE THUNDERSTORM WATCH WILL BE ISSUED SHORTLY. SECOND S/W TO CWA THIS EVENING WITH CONVECTION TIMED TO END TONIGHT AND RECOMMENCE AGAIN SATURDAY AFTERNOON WITH NEXT SERIES OF SMALLER SHORT WAVES. SURFACE FEATURES STALL OVER CENTRAL NORTH DAKOTA UNTIL THESE FEATURES FINALLY PUSH FRONT OUT OF OUR REGION SUNDAY. IN EXTENDED PORTION WILL CONTINUE DRY FOR LABOR DAY AND TUESDAY. PUSH BACK NEXT PREICPITATION UNTIL WEDNESDAY NIGHT...CONTINUE FOR THURSDAY THEN ADD A DRY FRIDAY AS PACIFIC HIGH PRESSURE BUILDS OVER REGION. .BIS...NONE. HW
The national radar mosaic for the moment the first event began.
1 flash flood. Local standard time, as filed.
County roads flooded with 1 to 2 feet of water resulting in deep cuts in the roads. Rainfall of 5.08 inches from the storm.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in North Dakota in 2002Every state in 2002This day in weather historyWarnings in North 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: 5310304.