1 lightning, 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 Sioux Falls, SD wrote its last area forecast discussion before the first event at Jun 10, 2:50 PM CST, 1 hour 10 minutes earlier.
AREA FORECAST DISCUSSION FOR SOUTHEAST SD/SOUTHWEST MN/NORTHWEST IA NATIONAL WEATHER SERVICE SIOUX FALLS SD 350 PM CDT MON JUN 10 2002 BIG PICTURE RELATIVELY UNCHANGED WITH UPPER LOW WANDERING THRU FRONTAL BOUNDARY LINED UP ON THE INTERSTATE 29 CORRIDOR ATTM...AND WORKING EWRD. QUITE UNSTABLE WITH LI IN -4 TO -6 RANGE...BUT SHEAR IS PRACTICALLY NONEXISTANT IN LOWER 3KM...THEN BECOMES STRONGLY SHEARED UNIDIRECTIONALLY. STILL WKLY CAPPED...YET SCT SHRA/ISOLD TSRA STARTING UP IN PAST 20 MINS...WITH LKLY SOURCE OF INITIATION FRONTAL CONVERGENCE. MAIN ISSUE IS DEALING WITH CONVECTION SHORT TERM...THEN VARIOUS TIMING OF PRECIP CHCS AS UPPER LOW WANDERS NORTH OF CWA THRU WED. AVN SUPERIOR TO ETA IN SHORT TERM FRONTAL POSITION...AND WITH HANDLING OF UPPER LVL LOW...SO WL USE...WITH REFERENCE TO ETA MSTR FIELDS AT LOW LVLS. DEVELOPMENT ALG FRONT COULD BE QUITE RAPID WITH DEGREE OF INSTABILITY THIS EVENING. HOWEVER...SHEAR REALLY PRECLUDES SIG SVR WX...WITH LKLY AT BEST TO SEE SOME PULSY LARGE HAIL AS WBZ DOWN A BIT TODAY INTO 11-11.5KFT. LOW LCL AND STORM INTERACTION MAKES ME THINK OF SHORT LIVED FUNNELS. DEEP WARM CLOUD DEPTH AND WK WNDS ALSO MAKES FOR BRIEF HEAVY RAINFALL. EXPECT FRONTAL PUSH IS FAIRLY WELL DEFINED BY UPPER LVL Q VECTORS...WITH PUSH THIS AFTERNOON...THEN SHOWING TENDENCY TO SLOW OVERNIGHT WITH ACTIVITY TO CLEAR CWA LATE EVENING...WITH EXCEPTION OF FAR SE. LTR TONIGHT...TSRA REINVIGORATED BY MID LVL WAVE SWINGING OUT INTO CNTRL PLAINS...BUT SHUD AFFECT MAINLY LOWER MO RVR CWA ARND KSUX. INTERESTING FEATURE DEVELOPS ON TUESDAY...AN APPARENT SECONDARY FRONT DEVELOPS IN REGION OF UPR Q CONVERGENCE THRU CNTRL SD LTR TNGT... INTO THE WRN CWA MIDDAY. SEEMS TO BE FRONTAL DEVELOPMENT FORCED BY UPPER LVL FEATURES. BNDRY IS DEEP FRONTOGENETIC...HAS MUCH COOLER AIR AFLT AND FAIRLY GOOD MID LVL MSTR...BUT DRY LOW LVLS. FAIRLY GUD INSTABILITY ABV INVERSION...AND SEEMINGLY LTL IMPEDENCE TO HEATING UP TO WHERE LFC/LCL DIFFERENCE IS LESS THAN 1KFT. POTENTIAL WOULD ONLY INCRS IF ABLE TO BLEED BTR MSTR OFF FORMER FRONT. POTENTIAL FOR SCT LINE OF LOW TOPPED CONVECTION TO DEVELOP. OTHER CONVECTION CONTINUES EARLY IN DAY ACRS NW IA...ENDING BY AROUND NOON WITH LOSS AND VEERING OF LLJ. NEXT PCP THREAT COMES CLOSE LTR TUE NIGHT ALG SRN CWA ON NRN FRINGE OF MID LVL FRONTOGENESIS AS JET ENTRANCE PASSES BY TO N. DRY MOST OF WED...BUT NEXT LOBE WITH REALLY GOOD MID LVL MSTR...AND TRAILED AT LAST BY PUSH OF COLD AIR...ALG WITH WDSPRD SC/SCT SHRA SW MN FOR LTR THU. TEMPWISE...TEND TO WARM SIDE OF ALL GUIDANCE...AS AVN TOO COLD...BUT ETA A BIT TEPID PERHAPS. FARTHER OUT...GUIDANCE CONTINUES TO BE CONSISTENT IN NATURE...WITH OPER AVN CLOSE TO ENSEMBLE MEAN...WITH FAIRLY TIGHT ENSEMBLE CLUSTERING. CANADIAN AND ECMWF MORE CONSISTENT WITH TIMING AND TRACK OF CLOSED LOW IN SHORT TERM...FARTHER AND A LITTLE SLOWER. GENERAL TRANSITION TO ERN TROUGH WRN RIDGE UNDERWAY...WITH DOMINANT NW FLOW WITH PERIODIC WAVES. WL GENERALLY GO WITH BLEND OF TIMING...SLOWER THAN AVN FOR GUIDANCE. ANY LINGERING SHRA WL BE VERY SHORT LIVED ON THU EVNG...AS LOBE WRAPS BY E OF AREA...AND MORE SUBSIDENT FLOW SPREADS IN THRU FRIDAY. WMFNT WORKS INTO CWA ON FRIDAY...BUT ANY DEPTH OF MSTR AND REMAINS N. MORE CANADIANISH TIMING WOULD BRING SIDEDOOR FRONT INTO NRN CWA DURG SAT AFTN...AND SAG SWRD...SLOWING AND STALLING AS PARENT JET ENERGY ABANDONS AND NEXT PIECE OF JET ENERGY DIVES IN CLOSE BEHIND IN NW FLOW ALFT. WITH TMPS RELATIVELY COOL MID LVLS...NW FLOW CAN BE TROUBLESOME FOR DEVELOPMENT OF SCT SHRA/TSRA WITH ANY WK IMPULSE. MOST OF THE SIGNIFICANT JET SUPPORT REMAINS NE OF REGION. COULD BE SCT TSRA ALNG BNDRY WITH COMBINING MEAGER MSTR...JET AND FRONTAL LIFT...WHICH THREATENS TO LINGER SUNDAY WITH FRONTAL ZONE. FRONT REINFORCED ON MONDAY BY NEXT COLD PUSH TOWARD MN...AND BETTER RETURN FLOW SETS UP WITH LLJ ENHANCED BY JET ENTRANCE TO N...AND WL CARRY CHC TSRA FOR MONDAY...LKLY TO FAVOR SOMETHING ON THE EVNG/NOCTURNAL SIDE. .FSD...NONE CHAPMAN
SIGNIFICANT WEATHER OUTLOOK NATIONAL WEATHER SERVICE SIOUX FALLS SD 1100 AM CDT MON JUN 10 2002 *** THIS SIGNIFICANT WEATHER OUTLOOK FROM THE NATIONAL WEATHER SERVICE PERTAINS ONLY TO CONDITIONS ASSOCIATED WITH THUNDERSTORMS. *** .SYNOPSIS... A COLD FRONT NEAR THE MISSOURI RIVER LATE THIS MORNING WILL MOVE VERY SLOWLY EAST AND SLIGHTLY WEAKEN THROUGH THE AFTERNOON AND EVENING. A WEAK IMPULSE IN THE UPPER ATMOSPHERE...MOVING FROM THE CENTRAL PLAINS TO THE UPPER MIDWEST...MAY TRIGGER A FEW THUNDERSTORMS THIS AFTERNOON AND EVENING. SURFACE BASED INSTABILITY AND WIND SHEAR WILL BE LIMITED...DUE TO THE WEAKENING FRONT...WIDESPREAD LOW CLOUDS ACROSS THE AREA THIS MORNING...AND WEAK WINDS ALOFT. THIS WILL INHIBIT SIGNIFICANT THUNDERSTORM DEVELOPMENT. HOWEVER ISOLATED STORMS COULD PRODUCE UP TO DIME SIZE HAIL...AS THEY TAP UNSTABLE AIR ALOFT. SDZ039-040-050-052>071>071-MNZ072-080-081-089-090-097-098-098-IAZ002- 003-012>014-020>022-031>032-032-NEZ014-014-110500- BEADLE-KINGSBURY-BROOKINGS-LINCOLN-LYON-JERAULD-SANBORN-MINER-LAKE- MOODY-PIPESTONE-MURRAY-COTTONWOOD-BRULE-AURORA-DAVISON-HANSON-MCCOOK- MINNEHAHA-ROCK-NOBLES-JACKSON-GREGORY-CHARLES MIX-DOUGLAS-HUTCHINSON- TURNER-LINCOLN-LYON-OSCEOLA-DICKINSON-BON HOMME-YANKTON-CLAY-UNION- SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE-BUENA VISTA-DIXON-DAKOTA-WOODBURY-IDA- INCLUDING THE CITIES OF...HURON...BROOKINGS...PIPESTONE...SLAYTON... CHAMBERLAIN...MITCHELL...SIOUX FALLS...LUVERNE...WORTHINGTON...ROCK RAPIDS... SPIRIT LAKE...YANKTON...VERMILLION...ELK POINT...SIOUX CENTER...SPENCER... LE MARS...STORM LAKE...SIOUX CITY... 1100 AM CDT MON JUN 10 2002 * FORECAST THROUGH MIDNIGHT: THERE IS A CHANCE OF SHOWERS AND THUNDERSTORMS DEVELOPING ACROSS THE AREA THIS AFTERNOON AND EVENING. THUNDERSTORMS WOULD BE SCATTERED IN NATURE...WITH THE POSSIBILITY OF ISOLATED STORMS BECOMING STRONG ENOUGH TO PRODUCE DIME SIZE HAIL. * SIGNIFICANT WEATHER: SMALL HAIL...LESS THAN DIME SIZE. * SPOTTER ACTIVATION: SPOTTER ACTIVATION IS NOT ANTICIPATED.
SIGNIFICANT WEATHER OUTLOOK...CORRECTED UGC CODING NATIONAL WEATHER SERVICE SIOUX FALLS SD 1100 AM CDT MON JUN 10 2002 *** THIS SIGNIFICANT WEATHER OUTLOOK FROM THE NATIONAL WEATHER SERVICE PERTAINS ONLY TO CONDITIONS ASSOCIATED WITH THUNDERSTORMS. *** .SYNOPSIS... A COLD FRONT NEAR THE MISSOURI RIVER LATE THIS MORNING WILL MOVE VERY SLOWLY EAST AND SLIGHTLY WEAKEN THROUGH THE AFTERNOON AND EVENING. A WEAK IMPULSE IN THE UPPER ATMOSPHERE...MOVING FROM THE CENTRAL PLAINS TO THE UPPER MIDWEST...MAY TRIGGER A FEW THUNDERSTORMS THIS AFTERNOON AND EVENING. SURFACE BASED INSTABILITY AND WIND SHEAR WILL BE LIMITED...DUE TO THE WEAKENING FRONT...WIDESPREAD LOW CLOUDS ACROSS THE AREA THIS MORNING...AND WEAK WINDS ALOFT. THIS WILL INHIBIT SIGNIFICANT THUNDERSTORM DEVELOPMENT. HOWEVER ISOLATED STORMS COULD PRODUCE UP TO DIME SIZE HAIL...AS THEY TAP UNSTABLE AIR ALOFT. SDZ038>040-050-052>071-MNZ071-072-080-081-089-090-097-098-IAZ001>003- 012>014-020>022-031-032-NEZ013-014-110500- BEADLE-KINGSBURY-BROOKINGS-LINCOLN-LYON-JERAULD-SANBORN-MINER-LAKE- MOODY-PIPESTONE-MURRAY-COTTONWOOD-BRULE-AURORA-DAVISON-HANSON-MCCOOK- MINNEHAHA-ROCK-NOBLES-JACKSON-GREGORY-CHARLES MIX-DOUGLAS-HUTCHINSON- TURNER-LINCOLN-LYON-OSCEOLA-DICKINSON-BON HOMME-YANKTON-CLAY-UNION- SIOUX-OBRIEN-CLAY-PLYMOUTH-CHEROKEE-BUENA VISTA-DIXON-DAKOTA-WOODBURY-IDA- INCLUDING THE CITIES OF...HURON...BROOKINGS...PIPESTONE...SLAYTON... CHAMBERLAIN...MITCHELL...SIOUX FALLS...LUVERNE...WORTHINGTON...ROCK RAPIDS... SPIRIT LAKE...YANKTON...VERMILLION...ELK POINT...SIOUX CENTER...SPENCER... LE MARS...STORM LAKE...SIOUX CITY... 1100 AM CDT MON JUN 10 2002 * FORECAST THROUGH MIDNIGHT: THERE IS A CHANCE OF SHOWERS AND THUNDERSTORMS DEVELOPING ACROSS THE AREA THIS AFTERNOON AND EVENING. THUNDERSTORMS WOULD BE SCATTERED IN NATURE...WITH THE POSSIBILITY OF ISOLATED STORMS BECOMING STRONG ENOUGH TO PRODUCE DIME SIZE HAIL. * SIGNIFICANT WEATHER: SMALL HAIL...LESS THAN DIME SIZE. * SPOTTER ACTIVATION: SPOTTER ACTIVATION IS NOT ANTICIPATED.
The Sioux Falls radar (KFSD), 49 km away, was scanning. The volume nearest the first event began at 21:57 UTC.
1 lightning. Local standard time, as filed.
Lightning struck a house, damaging both exterior and interior walls, and damaging electrical and telephone lines to the house.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in South Dakota in 2002Every state in 2002This day in weather historyWarnings in South Dakota, 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: 5305730.