1 thunderstorm wind, as filed by the National Weather Service.
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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 Rapid City, SD wrote its last area forecast discussion before the first event at Jul 30, 1:00 PM MST, 3 hours 15 minutes earlier.
AREA FORECAST DISCUSSION FOR WESTERN SD AND NORTHEASTERN WY NATIONAL WEATHER SERVICE RAPID CITY SD 200 PM MDT MON JUL 30 2001 CURRENT SURFACE MAP HAS BOUNDARY FROM SOUTHWEST TO NORTH CENTRAL SOUTH DAKOTA...WITH WEAK LOW NEAR KD07. 60+ DEWPOINTS SOUTH OF THE BOUNDARY...AND WRAPPING AROUND THE NORTH SIDE OF THE LOW. AREA OF CONVECTION DEVELOPING OVER THE HIGHER TERRAIN OF EAST CENTRAL WYOMING THIS AFTERNOON AS WEAK SHORTWAVE LIFTS THROUGH THE AREA. FURTHER DEVELOPMENT ALONG THE BOUNDARY INTO SOUTHWEST SOUTH DAKOTA EXPECTED THIS EVENING...HOWEVER WILL BE FIGHTING A STRONG CAP IN PLACE. LATER TONIGHT...LOW LEVEL JET INCREASES OVER EASTERN HALF OF CWA. CONVECTIVE FEEDBACK ON THE ETA AND AVN INDICATING MCS TO DEVELOP ACROSS NORTHWEST SOUTH DAKOTA INTO NORTH DAKOTA. BOUNDARY SLIDES SOUTH ACROSS THE AREA TUESDAY...WITH WESTERN SOUTH DAKOTA/NORTHEAST WYOMING IN RIGHT ENTRANCE REGION OF THE JET. THIS WILL KEEP THE NORTHWEST CLOUDY AND COOLER WITH A CHANCE OF SHOWERS/THUNDERSTORMS THROUGH THE DAY. SOUTH CENTRAL COUNTIES WILL WARM UP AHEAD OF THE FRONT...WITH A ROUND OF AFTERNOON/EVENING THUNDERSTORMS. FORECAST SOUNDINGS SUPPORT SEASONAL TEMPERATURES ON WEDNESDAY WITH DRY CONDITIONS. UPPER LEVEL RIDGE BUILDS FOR THURSDAY AND FRIDAY...WITH TEMPERATURES CLIMBING BACK INTO THE 90S. UPPER LEVEL TROF TO MOVE THROUGH THE NORTHERN PLAINS THIS WEEKEND...SO INCLUDED A CHANCE OF THUNDERSTORMS BOTH DAYS. BACK TO SOME RIDGING FOR MONDAY. .UNR...NONE. KC
The Rapid City radar (KUDX), 109 km away, was scanning. The volume nearest the first event began at 23:13 UTC.
1 thunderstorm wind. Local standard time, as filed.
Thunderstorms winds damaged construction signs. "Large" hail was also reported, but no size was given.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in South Dakota in 2001Every state in 2001This day in weather historyWarnings in South 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 2026-09-30. Each event’s entry at NCEI: 5260920.