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 Apr 6, 1:00 PM CST, 8 hours 45 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE OMAHA NE 200 PM CDT FRI APR 6 2001 MAIN FCST CHALLENGE IS TSRA THREAT AND TIMING IN THE 1ST PD. 18Z SFC ANLYS INDICATES WMFNT EXTENDING FM ALG THE IA/MO BORDER TO EXTRM SE NE THEN INTO NRN KS. IR SLTL IMAGERY INDICATES MAIN UPPER LEVEL LOW BULGING E ACROSS ERN NM AND INTO THE WRN TX PNHDL ATTM. SVR TSRA ACTIVITY HAS FIRED RAPIDLY LAST HR OVER WRN KS IN LOW LVL WAA REGIEME. THIS ACTIVITY IS SPREADINTO RAOIDLY NE AT 60MPH AND MAY AFFECT WRN PTNS OF THE CWA LATER TAFTN. OTHER CONCERN FOR TSRA DVLPMENT WILL BE ALG WMFNT WHERE ETA AND NGM BOTH DVLP TSRA FROM S CNTRL NE THRU SE NE AND INTO SRN IA. HELICITY VALUES AROUND 400M2/S2 ALG WITH HIGHLY UNSTABLE AIRMASS TO THE S OF THE FNT WILL LIKELY LEAD TO SVR TSRA DEVELOPMENT LATER TAFTN AND EARLY THIS EVE ALG THE FNT. THERMAL CONTRAST ALG THE WMFNT IS INCRG LAST FEW HRS WITH TEMPS IN THE UPPER 70S TO THE S AND MID 50S TO THE N WITHIN A 20 MILE DISTANCE. EXPECT TSRA ACTIVITY TO DEVELOP ALG THE WMFNT AROUND 4 OR 5 PM...THEN SPREAD RAPIDLY NEWD. THERE IS A TORNADO THREAT FOR ANY STORMS THAT DEVELOP ALG THE FNT...BUT AS STORMS MOVE NE AWAY FROM THE FRONT AND OVER COOLER BOUNDARY LAYER AIR TO THE N...TORNADO THREAT DECREASES SIGNIFICANTLY...BUT LARGE HAIL WILL BE THE PRIMARY THREAT. SOME THREAT FOR FLASH FLOODING OVER EXTREME SE NEB AND SW IA AS LAST NIGHTS CONVECTION LEFT TOPSOIL SATURDATED IN SOME AREAS. 6HRLY FLASH FLOOD GUIDANCE IS IN THE 1.2 TO 1.6 INCH RANGE. COVERAGE OF ACTIVITY ALSO IN QUESTION. COORD WITH DSM EARLIER TDY AND WILL HOLD OFF ON FF WATCH ISSUANCE...BUT WILL HAVE TO BE MONITORED ONCE DEVELOPMENT TAKES PLACE. NEXT ROUND OF TSRA ACTIVITY WILL BE MORE SYNOPTIC SCALE INDUCED AS MAIN 50H UPPER LOW BULGING E ACROSS ERN MN AND W TX PNHDL ATTM EJECTS NEWD. ELEVATED SVR TSRA HAVE FIRED RAPIDLY OVER WRN KS PAST HR. THIS IS IN ADVANCE OF PRIMARY TSRA ACTIVITY WHICH WILL DEVELOP OVER THE WRN HIGH PLNS FURTHER TO THE SW LATER THIS AFTERNOON....THEN MOVE RAPIDLY NEWD. LOW LEVEL FLOW IS ALREADY BACKING OVER THE WRN HIGH PLNS IN RESPONSE TO APROACHING UPPER SYSTEM AND STRENGTHENING SFC LOW OVER NE CO. TSRA ACTIVITY IS MOVING TO THE NE AT 50-60 MPH AND THIS WILL LIKELY BE THE CASE FOR ALL TSRA ACTIVITY THROUGH THE NIGHT. ALTHOUGH TSRA WILL BE POSSIBLE ANYTIME FROM LATE AFTERNOON THROUGH THE NIGHT...GREATEST COVERAGE WILL LIKELY BE FROM AROUND 8PM TO 2AM. MAIN SVR THREAT WITH THIS ACTIVITY LIKELY TO BE HIGH WNDS. TORNADO THREAT LIKELY TO BE DIMINISHED LATER INTO THE EVENING DUE TO LESS INSTABILITY ...THOUGH LRG HAIL AND AN ISOLD TORNADO CANNOT BE RULED OUT. SAT...PATTERN QUIETS DOWN SIGNIFICANTLY. GUSTY WNW WNDS EXPECTED EARLY WITH SOME DEC LATE IN THE DAY AS SFC LOW LIFTS RPDLY NE. DEC CLDS EXPECTED EARLY AND MOSTLY SUNNY SKIES IN THE AFTN. GUID TEMPS LOOK REASONABLE AND WILL RANGE HIGHS IN THE 60S. SAT NIGHT...WNDS WILL DEC SIGNIFICANTLY. SOME MID CLDS INDICATED IN TIME SECTIONS SO WILL KEEP PTLY CLOUDY SKIES GOING. SUN...DEVELOPING WMFNT FROM NW INTO S CNTLR NE WILL BEGIN TO SHIFT E. HIGHEST MEAN RH INDICATED OVER THE FAR S SO WILL KEEP N PTLY SUNNY AND GO MSTLY SUNNY ELSEWHERE. TEMPS TO BE A SLITRLW WARMER WITH HIGHS FROM THE MID 60S TO MID 70S. SUN NIGHT...THE AVN INDICATES A WEAK SHRTWV EJECTING ENE ACROSS SDN SD AND NRN NE. THE AVN ALSO INDICATES SOME MINOR QPF WITH THIS FEATURE OVER THE FAR N...SO WILL GO WITH 30% POPS FAR N AND LEAVE E CNTLR NAD SE NE AND SW IA DRY. IN THE EXTENDED...NEXT WRN U.S. SYSTEM IS PROGGED TO MOVE TO THE S OF NEB. THIS MAY GENERATE SOME SHRA/TSRA ACTIVITY WED AND THURS...UNTIL THEN DRY AND SEASONABLE TEMPS EXPECTED. .OMA...NONE SKERRITT
IAZ043-055-056-069-079-080-090-091-NEZ011-012-015>018-030>034- 042>045-050>053-065>068-078-088>093-070215- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 520 PM CDT FRI APR 6 2001 ...TORNADO WATCH FOR SOUTHEAST NEBRASKA UNTIL 9 PM CDT... THERE IS A HIGH RISK OF SEVERE THUNDERSTORMS IN SOUTHEAST NEBRASKA THIS EVENING. THERE IS A MODERATE RISK OVER SOUTHERN SOUTHWEST IOWA. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS THE REST OF EASTERN NEBRASKA AND SOUTHWEST IOWA THIS EVENING AND ACROSS ALL OF THE AREA LATE TONIGHT. A WARM FRONT WILL MOVE NORTH FROM JUST SOUTH OF THE PLATTE RIVER IN EASTERN NEBRASKA INTO FAR NORTHERN NORTHEAST NEBRASKA THIS EVENING. THUNDERSTORMS WILL CONTINUE NEAR AND NORTH OF THIS FRONT...MOVING NORTH INTO SOUTH DAKOTA. OTHER THUNDERSTORMS ARE LIKELY TO FORM IN THE WARM MOIST AIR SOUTH OF THE FRONT OVER SOUTHEAST NEBRASKA AND SOUTHWEST IOWA. ANY OF THESE STORMS MAY PRODUCE SEVERE WEATHER...INCLUDING LARGE HAIL...DAMAGING WINDS AND TORNADOES. A DRY LINE FRONT IN WESTERN KANSAS AND TEXAS WILL ALSO GENERATE THUNDERSTORMS. THESE MAY REACH EASTERN NEBRASKA LATE TONIGHT AND COULD ALSO PRODUCE SEVERE WEATHER IN EASTERN NEBRASKA AND SOUTHWEST IOWA LATE TONIGHT. SOME OF THESE THUNDERSTORMS COULD PRODUCE VERY HEAVY RAIN. RAINFALL IN EXTREME SOUTHEAST NEBRASKA AND SOUTHWEST IOWA YESTERDAY HAS LED TO SATURATED GROUND IN SOME AREAS. PEOPLE IN EXTREME SOUTHEAST NEBRASKA AND SOUTHWEST IOWA SHOULD BE ON THE LOOKOUT FOR THE POSSIBILITY FOR LOCALIZED FLASH FLOODING WITH THUNDERSTORMS ESPECIALLY LATE TONIGHT. PEOPLE ARE URGED TO MONITOR NOAA WEATHER RADIO OR LOCAL MEDIA OUTLETS FROM LOATE THIS AFTERNOON THROUGH TONIGHT FOR SEVERE WEATHER WATCHES AND POSSIBLE WARNINGS. HAVE A PLAN OF ACTION READY TO SEEK SHELTER AND SAFETY IF WARNINGS ARE ISSUED AND WEATHER THREATENS. POWERS
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
544 PM CDT FRI APR 06 2001
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0405 PM ALBION NE .75 INCH HAIL
04/06/01 BOONE REPORTED BY LAW
ENFORCEMENT OFFICIAL.
0459 PM 1 S PIERCE NE .75 INCH HAIL
04/06/01 PIERCE REPORTED BY COOPERATIVE
OBSERVER.
0525 PM 2 SE LAUREL NE .75 INCH HAIL
04/06/01 CEDAR REPORTED BY PUBLIC.
0525 PM 5 E LAUREL NE .75 INCH HAIL
04/06/01 CEDAR REPORTED BY PUBLIC.PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
556 PM CDT FRI APR 06 2001
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0405 PM 3 W CLEARWATER NE .75 INCH HAIL
04/06/01 ANTELOPE REPORTED BY LAW
ENFORCEMENT OFFICIAL.IAZ043-055-056-069-079-080-090-091-NEZ011-012-015>018-030>034- 042>045-050>053-065>068-078-088>093-070630- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 905 PM CDT FRI APR 6 2001 ...TORNADO WATCH FOR SOUTHEAST NEBRASKA UNTIL 1 AM CDT EARLY SATURDAY... THERE IS STILL SOME RISK OF SEVERE THUNDERSTORMS IN EASTERN NEBRASKA AND SOUTHWEST IOWA OVERNIGHT. SEVERE THUNDERSTORMS ARE MOST LIKELY IN SOUTHEAST NEBRASKA INTO EARLY MORNING. A LINE OF THUNDERSTORMS FROM CENTRAL NEBRASKA TO WESTERN OKLAHOMA WILL CONTINUE EAST THROUGH THE NIGHT. THESE THUNDERSTORMS HAVE THE POTENTIAL OF PRODUCING SEVERE WEATHER. THE PRIMARY THREAT IS FOR DAMAGING WINDS...ALTHOUGH LARGE HAIL AND EVEN A TORNADO IS POSSIBLE. LOCALLY HEAVY RAINS ARE POSSIBLE WITH THESE THUNDERSTORMS. POWERS
IAZ043-055-056-069-079-080-090-091-NEZ011-012-015>018-030>034- 042>045-050>053-065>068-078-088>093-070630- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 905 PM CDT FRI APR 6 200
The national radar mosaic for the moment the first event began.
1 thunderstorm wind. Local standard time, as filed.
Thunderstorm wind gusts estimated between 60 and 70 mph knocked tree limbs down in town.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Nebraska in 2001Every state in 2001This day in weather historyWarnings in Nebraska, April 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: 5240757.