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 Sep 15, 1:50 AM CST, 55 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 250 AM CDT WED SEP 15 2004 .DISCUSSION... SHORT TERM...LEADING EDGE OF CONVECTION PUSHING ACROSS THE CWA THIS MORNING IN ADVANCE OF TROF EXTENDING FROM ERN WY INTO ERN CO AT 06Z. RADAR INDICATING HEAVIER RAIN JUST STARTING TO MOVE INTO NORTHEAST NEBRASKA WITH THREE HOUR AMOUNTS BETWEEN 1-1.5 INCHES ESTIMATED BY RADAR JUST WEST OF THE OUTLOOK AREA AT 07Z. WITH ADDITIONAL AREA OF RAIN MOVING ACROSS FOR REMAINDER OF THE NIGHT WILL CONTINUE FLOOD WATCH UNTIL 6AM. MODELS REMAIN CONSISTANT IN MOVING THIS SYSTEM EAST OF THE AREA DURING THE AFTERNOON. WILL CONTINUE WITH LIKELY POPS THROUGH MID MORNING OVER ERN HALF OF CWA THEN CHANCE THROUGH 18Z WITH RAIN EXPECTED TO BE EAST OF THE AREA FOR THE AFTERNOON. COOLER TODAY BEHIND THE FRONT WITH LITTLE CHANGE TO TEMPERATURE TREND OF PREVIOUS FORECAST. WILL HAVE TO KEEP AN EYE ON SERN CORNER THOUGH SINCE CURRENT TEMPERATURES STILL IN THE UPPER 70S AND FRONT NOT EXPECTED THROUGH UNTIL LATE MORNING. HIGH PRESSURE THEN DOMINATES THROUGH FRIDAY WITH SOME INDICATION OF A CHANCE OF WARM ADVECTION PRECIP FRIDAY NIGHT OR SO BY MODELS...ALTHOUGH WILL CONTINUE WITH DRY FORECAST FOR NOW AND SEE IF THIS TREND CONTINUES IN LATER RUNS. LITTLE CHANGE TO REMAINDER OF FORECAST IN THE EXTENDED PERIOD WITH WARMUP AHEAD OF WRN TROF THIS WEEKEND AND EARLY NEXT WEEK BEFORE NEXT SIGNIFICANT FRONT MOVES IN AROUND TUESDAY. && .OAX WATCHES/WARNINGS/ADVISORIES... NE...FLOOD WATCH THROUGH 11Z FOR KNOX...ANTELOPE...PIERCE... CEDAR...WAYNE AND THURSTON COUNTIES. IA...NONE. && FOBERT
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 1055 PM CDT TUE SEP 14 2004 IAZ043-055-056-069-079-080-090-091-NEZ011-012-015>018-030>034- 042>045-050>053-065>068-078-088>093-151105- ANTELOPE-BOONE-BURT-BUTLER-CASS-CEDAR-COLFAX-CUMING-DODGE-DOUGLAS- FREMONT IA-GAGE-HARRISON IA-JEFFERSON-JOHNSON-KNOX-LANCASTER-MADISON- MILLS IA-MONONA IA-MONTGOMERY IA-NEMAHA-OTOE-PAGE IA-PAWNEE-PIERCE- PLATTE-POTTAWATTAMIE IA-RICHARDSON-SALINE-SARPY-SAUNDERS-SEWARD- SHELBY IA-STANTON-THURSTON-WASHINGTON-WAYNE- 1055 PM CDT TUE SEP 14 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN NEBRASKA AND SOUTHWEST IOWA. .DAY ONE...TONIGHT AND WEDNESDAY SEVERE THUNDERSTORMS ARE POSSIBLE ACROSS PARTS OF THE OUTLOOK AREA OVERNIGHT. LARGE HAIL...GUSTY WINDS...AND LOCALLY HEAVY RAIN WILL BE THE PRIMARY HAZARDS. WEDNESDAY MORNING...SCATTERED THUNDERSTORMS ARE EXPECTED...HOWEVER... SMALL HAIL...LIGHTNING AND ADDITIONAL RAINFALL WILL BE POSSIBLE WITH THE STRONGEST STORMS. A FLOOD WATCH IS IN EFFECT FOR CEDAR...PIERCE...WAYNE...ANTELOPE... KNOX AND THURSTON COUNTIES UNTIL 6AM CDT. A WEATHER DISTURBANCE OVER WESTERN NEBRASKA WILL CONTINUE TO PROGRESS EASTWARD OVERNIGHT...MEANWHILE...A SURFACE FRONT REMAINS IN PLACE OVER EASTERN NEBRASKA AND WESTERN IOWA. A STRONG UPPER LEVEL JET WILL COMBINE WITH THE INSTABILITY AND STRONG SHEAR TO PRODUCE SCATTERED THUNDERSTORMS...SOME OF WHICH MAY BE SEVERE WEATHER. PARTS OF NORTHEAST NEBRASKA RECEIVED 1 TO 4 INCHES OF RAINFALL OVERNIGHT...THIS HAS MOISTENED SOIL CONDITIONS AND A FLOOD WATCH IS IN EFFECT DUE TO THE POTENTIAL FOR ADDITIONAL HEAVY RAINFALL AND FLOODING TONIGHT. .DAYS TWO THROUGH SEVEN...WEDNESDAY NIGHT THROUGH TUESDAY THUNDERSTORMS WILL BE POSSIBLE OVER THE OUTLOOK AREA MONDAY AND TUESDAY. SOME OF THE STORMS MAY BE SEVERE. .SPOTTER INFORMATION STATEMENT... STORM SPOTTERS HAVE BEEN ACTIVATED OVERNIGHT FOR PARTS OF THE OUTLOOK AREA. STORM SPOTTER ACTIVATION SHOULD NOT BE NEEDED WEDNESDAY. ZAPOTOCNY
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 1000 PM CDT TUE SEP 14 2004 IAZ043-055-056-069-079-080-090-091-NEZ011-012-015>018-030>034- 042>045-050>053-065>068-078-088>093-150330- ANTELOPE-BOONE-BURT-BUTLER-CASS-CEDAR-COLFAX-CUMING-DODGE-DOUGLAS- FREMONT IA-GAGE-HARRISON IA-JEFFERSON-JOHNSON-KNOX-LANCASTER-MADISON- MILLS IA-MONONA IA-MONTGOMERY IA-NEMAHA-OTOE-PAGE IA-PAWNEE-PIERCE- PLATTE-POTTAWATTAMIE IA-RICHARDSON-SALINE-SARPY-SAUNDERS-SEWARD- SHELBY IA-STANTON-THURSTON-WASHINGTON-WAYNE- INCLUDING THE CITIES OF...ALBION...AUBURN...BEATRICE...BELLEVUE... BLAIR...CLARINDA...COLUMBUS...COUNCIL BLUFFS...CRETE...FAIRBURY... FALLS CITY...FREMONT...HARLAN...HARTINGTON...LINCOLN... NEBRASKA CITY...NELIGH...NORFOLK...OMAHA...ONAWA...RED OAK... SEWARD...SIDNEY...TEKAMAH...WAYNE 1000 PM CDT TUE SEP 14 2004 SEVERE THUNDERSTORM WATCH NUMBER 819 HAS EXPIRED FOR EASTERN NEBRASKA AND SOUTHWEST IOWA. SEVERE THUNDERSTORM WATCH NUMBER 821 REMAINS IN EFFECT FOR: ANTELOPE...PIERCE...MADISON...BOONE...AND PLATTE COUNTIES UNTIL 2AM CDT. ZAPOTOCNY
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 201 AM CDT WED SEP 15 2004 NEZ016-017-030-031-042-150730- ANTELOPE-BOONE-MADISON-PIERCE-PLATTE- INCLUDING THE CITIES OF...ALBION...COLUMBUS...NELIGH...NORFOLK 201 AM CDT WED SEP 15 2004 SEVERE THUNDERSTORM WATCH NUMBER 821...WHICH WAS IN EFFECT FOR PARTS OF EASTERN NEBRASKA...EXPIRED AT 2 AM CDT. THUNDERSTORMS WILL MOVE ACROSS THE AREA OVERNIGHT...BUT THE THREAT FOR SEVERE WEATHER IS NOT AS HIGH AS IT WAS EARLIER. MILLER
The Omaha radar (KOAX), 63 km away, was scanning. The volume nearest the first event began at 08:44 UTC.
1 thunderstorm wind. Local standard time, as filed.
Thunderstorm wind gusts estimated at over 60 mph uprooted several trees and caused serious damage to many others. At least 20 to 30 mature trees in town came down or had to be removed due to serious damage. Fallen tree branches also downed power lines in Lincoln.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Nebraska in 2004Every state in 2004This day in weather historyWarnings in Nebraska, September 2004
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: 5421672.