1 thunderstorm wind, 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 Bismarck, ND wrote its last area forecast discussion before the first event at Jul 30, 1:55 PM CST, 10 hours 5 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BISMARCK ND 255 PM CDT MON JUL 30 2001 SFC LOW IN CNRTL SD WI INVERTED TROUGH EXTENDING NWD TO CNTRL ND. SFC DWPTS IN THE 70S FROM BIS TO NEAR PEMBINA...AND IN THE 50S AT ISN AND MOT. THIS SFC BOUNDARY PROGGED TO REMAIN FROM NERN ND TO THE S CNTRL AND EXTEND TO THE SFC LOW THAT IS PROGGED TO DEVELOP WWD INTO WY THIS EVE. SFC TO H850 DWPTS EXPECTED TO RISE ALONG AND TO THE NW OF THE BOUNDARY OVERNIGHT ALONG STRONG H850 SLY JET THAT DEVELOPS BY 06Z. K INDICES FROM MORNING SOUNDINGS ARE 39 AT BIS AND 42 AT ABR...WI PWS OF 1.57 AND 1.77 INCHES RESPECTIVELY...WI WBZ OVER 12000 FT. ONLY THING KEEPING TSTMS FROM FORMING IS MID LEVEL CAP OVER SRN ND. EXPECT VORT MAXES THAT ARE PROGGED TO MOVE INTO SRN/SWRN ND LATE THIS EVE/OVERNIGHT TO DISTURB CAPPED ENVIRONMENT AND CONVECTION WILL COMMENCE. EXPECT HEAVY RAIN EVENT ALONG AND JUST NW OF SFC BOUNDARY...AS WELL AS TO ITS SOUTHEAST. WILL ISSUE FLASH FLOOD WATCH TONIGHT FOR EVERYWHERE BUT THE FAR NW COUNTIES. MORNING HODOGRAPHS ALSO INDICATE SUFFICIENT SHEARING TO SUPPORT SUPERCELLS/MULTICELL TSTMS. WL MENTION POSSIBILITY OF SVR ALSO. ON TUE...SFC BOUNDARY MARCHES EWD ACROSS DAKOTAS...BUT H500 SWLY FLOW KEEPS BRINGING SIGNIFICANT VORT MAXES OVER ND. MID SHIFT MAY WANT TO EXTEND FFWATCH INTO DAYTIME TUE DEPENDING ON HOW EXPECTED MCS MOVEMENT PROGRESSES...AS WELL AS NEW DEVELOPMENT FROM VORT ENERGY. MAIN H500 TROUGH MOVES INTO MN BY 12Z WED AND WL KEEP PCPN CHCS IN THROUGH TUE NIGHT. CAPES AND LIS DECREASE SIGNIFICANTLY TUE NIGHT AND WL MENTION SHOWERS OR THUNDERSTORMS. IN THE EXTENDED...RIDGING IN H500 FLOW WL KEEP ND MAINLY DRY WED THROUGH FRI...BUT ANOTHER WEST COAST H500 TROUGH STRENGTHENS AND ND IN SWLY FLOW ALOFT IN TIME FOR WEEKEND TSTMS. .BIS...FLASH FLOOD WATCH TONIGHT FOR ALL BUT NWRN COUNTIES. VINING
The Bismarck radar (KBIS), 109 km away, was scanning. The volume nearest the first event began at 06:01 UTC.
1 thunderstorm wind. Local standard time, as filed.
Roof damage to commercial building and semi truck blown over. Playground equipment scattered.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in North Dakota in 2001Every state in 2001This day in weather historyWarnings in North Dakota, July 2001
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: 5257523.