A small tornado touched down briefly in southern Butte County.
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 episode as NWS UNR wrote it up.
A small tornado touched down briefly in southern Butte County.
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 1, 9:00 AM MST, 2 hours 55 minutes earlier.
AREA FORECAST DISCUSSION FOR WESTERN SD AND NORTHEASTERN WY NATIONAL WEATHER SERVICE RAPID CITY SD 1000 AM MDT FRI JUL 1 2011 .DISCUSSION...SHORT WAVE OVER NCNTRL NE IS MOVING NE TOWARD SCNTRL SD. BAND OF THUNDERSTORMS AHEAD OF SYSTEM ARE MOVING ACROSS TRIPP COUNTY...WITH LIGHTER SHOWERS TO THE WEST...FROM DUPREE TO PINE RIDGE...AND ANOTHER BAND ALONG THE EASTERN EDGE OF THE BLACK HILLS. WITH TRACK OF LOW...PRECIP WILL BE SLOW TO CLEAR THIS AFTERNOON. AT THE SURFACE...COLD FRONT WELL TO THE EAST AND SOUTH OF AREA...WITH TROF EXTENDS FROM NERN CO TO NWRN WY. COOLER AIR HAS PUSHED INTO WRN SD BEHIND THE FRONT...AND ALONG WITH EXTENSIVE CLOUD COVER...WILL LOWER MAX TEMPS FOR TODAY. && .AVIATION... SHOWERS AND THUNDERSTORMS WILL CONTINUE THROUGH THIS MORNING...WITH A FEW LINGERING INTO THE AFTERNOON. AREAS OF MVFR WITH LCL IFR CIGS WILL CONTINUE THROUGH THE MORNING...WITH CONDITIONS IMPROVING THIS AFTERNOON. && .UNR WATCHES/WARNINGS/ADVISORIES... SD...NONE. WY...NONE. && SS/AC
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE RAPID CITY SD 435 AM MDT FRI JUL 1 2011 SDZ001-002-012>014-024>032-041>044-046-047-049-072>074-WYZ054>058- 071-021300- BENNETT-BUTTE-CENTRAL BLACK HILLS-CUSTER CO PLAINS-FALL RIVER-HAAKON- HARDING-HERMOSA FOOT HILLS-JACKSON-MELLETTE-NORTHEASTERN CROOK- NORTHERN BLACK HILLS-NORTHERN CAMPBELL-NORTHERN FOOT HILLS- NORTHERN MEADE CO PLAINS-PENNINGTON CO PLAINS-PERKINS-RAPID CITY- SHANNON-SOUTHERN BLACK HILLS-SOUTHERN CAMPBELL-SOUTHERN FOOT HILLS- SOUTHERN MEADE CO PLAINS-STURGIS/PIEDMONT FOOT HILLS-TODD-TRIPP- WESTERN CROOK-WESTON-WYOMING BLACK HILLS-ZIEBACH- 435 AM MDT (535 AM CDT) FRI JUL 1 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN SOUTH DAKOTA AND NORTHEASTERN WYOMING. .DAY ONE...TODAY AND TONIGHT SCATTERED THUNDERSTORMS ARE EXPECTED ACROSS THE AREA TODAY. SEVERE STORMS ARE NOT EXPECTED. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY THERE IS A CHANCE OF THUNDERSTORMS ACROSS THE AREA SATURDAY INTO SATURDAY NIGHT. WIDESPREAD SEVERE STORMS ARE NOT EXPECTED AT THIS TIME...BUT A FEW STORMS COULD BE STRONG TO SEVERE...ESPECIALLY ACROSS THE BLACK HILLS AREA. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RAPID CITY SD 730 AM MDT FRI JUL 1 2011 WYZ055-011415- SOUTHERN CAMPBELL WY- 730 AM MDT FRI JUL 1 2011 ...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN CAMPBELL COUNTY UNTIL 815 AM MDT... AT 727 AM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 12 MILES NORTHWEST OF PUMPKIN BUTTES...OR 28 MILES WEST OF WRIGHT...MOVING SOUTHEAST AT 15 MPH. HAIL UP TO THE SIZE OF PENNIES AND WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS STORM. LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE... PUMPKIN BUTTES... SAVAGETON... SANDERS
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE RAPID CITY SD 907 AM MDT FRI JUL 1 2011 SDZ046-047-049-011600- MELLETTE SD-TODD SD-TRIPP SD- 1007 AM CDT FRI JUL 1 2011 ...SIGNIFICANT WEATHER ADVISORY FOR EASTERN MELLETTE...EASTERN TODD AND TRIPP COUNTIES UNTIL 1100 AM CDT... AT 1002 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM WITTEN TO 10 MILES EAST OF SPARKS...AND MOVING NORTH AT 30 MPH. HAIL UP TO THE SIZE OF PENNIES AND WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THESE STORMS...ALONG WITH HEAVY RAIN. LOCATIONS NEAR THE PATH OF THESE STORMS INCLUDE... WINNER... CLEARFIELD... MILLBORO... IDEAL... WEWELA... COLOME... HAMILL... SANDERS
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RAPID CITY SD
1150 AM MDT FRI JUL 01 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1000 PM NON-TSTM WND DMG 7 N IDEAL 43.65N 99.92W
06/30/2011 TRIPP SD TRAINED SPOTTER
STRONG THUNDERSTORM WINDS--ESTIMATED 70 MPH--MOVED EMPTY
STOCK TANKS, BROKE SOME SMALL BRANCHES, AND STRIPPED SOME
ROOFING TIN FROM A BUILDING.
0330 PM TSTM WND DMG 15 E ARDMORE 43.02N 103.36W
06/30/2011 FALL RIVER SD TRAINED SPOTTER
ESTIMATED 60 MPH WINDS BLEW OVER A PROPANE TANK AND
DAMAGED AN OUTBUILDING.
&&
DBARBERPRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE RAPID CITY SD
1228 PM MDT FRI JUL 01 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0840 PM TSTM WND GST 2 ESE OKREEK 43.37N 100.34W
06/30/2011 E60.00 MPH TODD SD TRAINED SPOTTER
BLEW SHINGLES OFF ROOF AND OVERTURNED SMALL STRUCTURE
0923 PM TSTM WND GST 5 N HAMILL 43.66N 99.64W
06/30/2011 E60.00 MPH TRIPP SD TRAINED SPOTTER
1000 PM TSTM WND DMG 7 N IDEAL 43.65N 99.92W
06/30/2011 TRIPP SD TRAINED SPOTTER
STRONG THUNDERSTORM WINDS--ESTIMATED 70 MPH--MOVED EMPTY
STOCK TANKS, BROKE SOME SMALL BRANCHES, AND STRIPPED SOME
ROOFING TIN FROM A BUILDING.
&&
DBARBERThe Rapid City radar (KUDX), 79 km away, was scanning. The volume nearest the first event began at 18:56 UTC.
1 tornado. Local standard time, as filed.
The tornado did not cause any damage. Size and location were based on pictures and reports.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in South Dakota in 2011Every state in 2011This day in weather historyThe tornado archive for South Dakota, 2011Warnings in South Dakota, July 2011
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: 333926.