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 Sioux Falls, SD wrote its last area forecast discussion before the first event at Jun 1, 2:20 PM CST, 24 minutes earlier.
AREA FORECAST DISCUSSION FOR SOUTHEAST SD/SOUTHWEST MN/NORTHWEST IA NATIONAL WEATHER SERVICE SIOUX FALLS SD 320 PM CDT FRI JUN 1 2001 SCT SHWRS/TSTMS DVLPD NE HLF CWA THIS AFTN AS AIR MASS MIXED OUT TO STG INSTABILITY ALOFT. THIS COLD POOL ALOFT WILL MOVE OFF TO SE AND ACTIVITY WILL DSIPT BY SS. MUCH OF CLDS AND STG NWLY WNDS ALSO DIURNAL EXCPT NERN CWA TNGT AND CLDS SHOULD MOSTLY DSIPT WITH TIME...LETTING TEMPS DROP LATE. AIR MASS WILL CONTINUE TO MODIFY FM SW TO NE OVR CWA SAT AFTN AS HEIGHTS RISE...AND WL GO BACK TO A LIT WARMER THAN GUID ESP W AND S IN CWA. KIND OF DISAPPOINTED HOW MODELS ARE DOWNPLAYING POTENTIAL SIGNIFICANT RAIN EVENT IN PARTS OF CWA FOR LATER SUN THRU MON NGT. AS UPR LOW DIGS EWD INTO REGION...IT WILL TAP INTO DEEP SELY FLW OF MORE MOIST AIR AND ISENTROPIC LIFT EVEN THOUGH BEST INSTABILITY AND LOW LVL BOUNDARY STAYS WELL S OF AREA. BIG QUESTION IS TIMING AND PLACEMENT IN CWA AS MODELS ALL DIFFERENT...SO WILL KIND OF BROADBRUSH HIGH POPS SPRDG EWD OVR CWA FM W TO E OVR CWA SUN THRU SUN NGT. WILL KEEP GOOD CHC SHWRS/RAIN MON THRU MON NGT...ENDG W IN CWA BY TUE. DRY WITH A WRMG TREND FM W TO E OVR CWA WED THRU FRI WITH UPR RDG BLDG BACK IN. .FSD...NONE RYRHOLM
SIGNIFICANT WEATHER OUTLOOK NATIONAL WEATHER SERVICE SIOUX FALLS SD 1101 AM CDT FRI JUN 1 2001 *** THIS SIGNIFICANT WEATHER OUTLOOK FROM THE NATIONAL WEATHER SERVICE PERTAINS ONLY TO CONDITIONS ASSOCIATED WITH THUNDERSTORMS. *** .SYNOPSIS... A DEPARTING COLD FRONT WILL LEAVE SOME INSTABILITY SHOWERS AROUND THIS AFTERNOON...BUT IT WILL BE TOO STABLE FOR ANY OF THIS CONVECTION TO REACH SEVERE LIMITS. SDZ038>040-050-052>071-MNZ071-072-080-081-089-090-097-098-IAZ001>003- 012>014-020>022-031-032-NEZ013-014-020500- 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...SIOUX CENTER...SPENCER...LE MARS...STORM LAKE... SIOUX CITY... 1101 AM CDT FRI JUN 1 2001 * FORECAST THROUGH MIDNIGHT: SIGNIFICANT WEATHER IS NOT EXPECTED IN THIS AREA THROUGH MIDNIGHT. * SIGNIFICANT WEATHER: NONE. * SPOTTER ACTIVATION: SPOTTER ACTIVATION IS NOT ANTICIPATED.
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
153 PM CDT FRI JUN 01 2001
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0102 PM OKOBOJI IA 1 INCH HAIL
06/01/01 DICKINSON PEA TO QUARTER SIZE
HAIL. REPORTED BY PUBLIC.
0102 PM OKOBOJI LAKE IA 2 1/2 INCHES OF HAIL IN
06/01/01 DICKINSON THE BOTTOM OF A BOAT.
SIZE UNKNOWN. REPORTED
BY PUBLIC.
0109 PM 4 SE SPIRIT LAKE IA 1 INCH HAIL
06/01/01 DICKINSON MANY PEA TO DIME SIZE
HAIL...FEW QUARTER.
REPORTED BY PUBLIC.
0118 PM 3 N TERRIL IA .75 INCH HAIL
06/01/01 DICKINSON MANY PEA TO DIME SIZE
HAIL. REPORTED BY PUBLIC.The Sioux Falls radar (KFSD), 128 km away, was scanning. The volume nearest the first event began at 20:41 UTC.
1 thunderstorm wind. Local standard time, as filed.
Thunderstorm winds caused tree damage, including large branches blown down.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Iowa in 2001Every state in 2001This day in weather historyWarnings in Iowa, June 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: 5252602.