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 Omaha, NE wrote its last area forecast discussion before the first event at Jun 17, 2:48 AM CST, 10 hours 27 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE OMAHA NE 348 AM CDT MON JUN 17 2001 MAIN FCST CONCERN IN THE SHORT TERM IS CNVTN AND PSBLTY OF SVR WX AND HOT TEMPS TDA. VIGOROUS UPR SHRTWV TROF AT 07Z LOCD OVR ID AND WRN MT IS FCST TO MOV INTO THE NRN PLND TDA AND TNGT. ALREADY DP CNVTN HAS BROKEN OUT ACRS SD ON THE NOSE OF STG UPR LVL JET. ASSOCD STG CDFNT IS FCST TO DROP SEWD ACRS NEBRASKA TDA AND TNGT. AHD OF THE FNT...HI THICKNESSES MEAN THE ATMOSPHERE WL BE CAPPED AND HOT DURG THE DY. 850 MB WNDS WL BE VRY STG WITH MESOETA FCSTG WNDS 50+ KTS OUT OF THE SW. WITH GOOD MIXING OCRG DURG HE AFTN...WNDS SHUD BE STG AHD OF FNT. THUS WL PUT A WND ADVISORY OUT FOR LATE MRNG AND THIS AFTN FOR CNTRL AND S ZNS. BELIEVE SVR WX THREAT WL DVLP LATE IN THE DAY AS FNT MOVS SEWD AND CAP BKS. FCST MDL SNDGS INDC HI INSTBY WITH CAPES OVR 4000 J/KG AND STG 0-3 KM SHEAR CREATING HELICITIES AROUND 220. SPC RGT ON TRACK WITH A MDT RISK OVR AREA. BELIEVE WE MAY HAVE AN ERY TORNADO THREAT AND THEN STMS BCMG MORE OUTFLOW DOMINANT LTR IN THE EVE. FOR HIGHS TDA WITH SW WINDS EXPC MID 90S IN LNK AND 90 TO 95 IN OMA. TNGT...TSTMS WL LINGER OVRNGT IN SERN NEBRASKA AS SYS BCMS AN MCS AND TSTM ACTVTY MAY CONT INTO TUE MRNG. CLDY SKIES AND COOLER WL OCR OVR MUCH OF THE AREA. SHWRS ARE STILL PSBL IN THE S AND WL PUT SOME POPS OUT FOR THAT AREA. HIGHS MAINLY IN THE 70S. .OMA...WIND ADVISORY LATE MORNING AND AFTN E CNTRL AND SERN NEBRASKA AND ALL OF SWRN IA. SMITH
IAZ043-055-056-069-079-080-090-091-NEZ011-012-015>018-030>034- 042>045-050>053-065>068-078-088>093-172310- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 1218 PM CDT SUN JUN 17 2001 STORM SPOTTERS ARE LIKELY TO BE REQUIRED THIS AFTERNOON OR TONIGHT ALONG AND NORTH OF A LINE FROM COLUMBUS TO OMAHA AND OAKLAND IOWA. THERE IS STILL A CHANCE THAT SPOTTERS MAY BE NEEDED TO THE SOUTH OF THIS LINE. AN INCREASINGLY UNSTABLE AIRMASS IS DEVELOPING OVER EASTERN NEBRASKA AND SOUTHWEST IOWA THIS AFTERNOON AS TEMPERATURES RISE...AND MOIST AIR MOVES IN FROM THE SOUTH. A CAP OF WARM DRY AIR AT BETWEEN 5 THOUSAND AND 10 THOUSAND FEET IS FORECAST TO BREAK DURING THE MID TO LATE AFTERNOON...ESPECIALLY OVER NORTHEAST NEBRASKA AND WEST CENTRAL IOWA. FARTHER SOUTH...THE CAP MAY BE STRONG ENOUGH TO LIMIT THUNDERSTORM DEVELOPMENT. ONCE THE CAP BREAKS...THUNDERSTORMS ARE EXPECTED TO DEVELOP RAPIDLY. STRONG INSTABILITY AND SHEAR WILL FAVOR SUPERCELL THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS AND LARGE HAIL. SEVERAL WEAK LOW LEVEL BOUNDARIES ARE IN THE AREA...WHICH COULD ALSO ALLOW TORNADOES TO DEVELOP. POLLACK
The Omaha radar (KOAX), 65 km away, was scanning. The volume nearest the first event began at 19:12 UTC.
1 thunderstorm wind. Local standard time, as filed.
Thunderstorm winds uprooted several trees causing damage to 2 sheds near Little Sioux.
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: 5254197.