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 Aug 18, 1:10 PM CST, 2 hours 7 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 210 PM CDT MON AUG 18 2003 TEMPERATURES AND PRECIP CHANCES THROUGH MIDWEEK MAIN CONCERN. SYNOPSIS...SURFACE TROF LOCATED ACROSS CENTRAL NEBRASKA AT 18Z WITH SCATTERED THUNDERSTORMS DEVELOPING FROM NORTH CENTRAL KANSAS INTO NORTHEAST NEBARSKA. EXTENSIVE CLOUDS ACOSS MOST OF THE AREA FROM CONVECTION THIS MORNING THAT MOVED JUST WEST OF THE CWA. SOUTHEAST PARTS OF THE CWA REMAIN VERY HOT WITH TEMPERATURES AROUND 100 FROM OMAHA AND LINCOLN SOUTH. UPPER WAVE CONTINUES TO LINGER OVER THE CENTRAL ROCKIES WITH MAIN FLOW STILL ACROSS CANADA. WITH CONVECTION ALREADY DEVELOPING WILL INCREASE POPS ACROSS MOST OF THE AREA FOR THIS EVENING AT LEAST WITH A CONTINUED CHANCE THROUGH WEDNESDAY AS MODELS TRACK UPPER WAVE SLOWLY ACROSS CENTRAL PLAINS DURING THIS TIME. TEMPERATURES WILL CONTINUE TO BE A CHALLENGE AS SURFACE TROF LINGERS ACROSS CENTRAL NEBRASKA WITH TEMPERATURES DEPENDANT ON AMOUNT OF CLOUD AND PRECIP COVERAGE. WILL CONTINUE WITH CURRENT TEMPERATURE TRENDS IN FORCAST FOR TUESDAY AND BEYOND AT THIS TIME. NOT MUCH CHANGE OTHERWISE TO REMAINDER OF THE FORECAST. .OMA...NONE. FOBERT
IAZ043-055-056-069-079-080-090-091-NEZ011-012-015>018-030>034- 042>045-050>053-065>068-078-088>093-182300- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE OMAHA/VALLEY NE 345 PM CDT MON AUG 18 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PARTS OF EASTERN NEBRASKA AND SOUTHWEST IOWA. .DAY ONE...THIS AFTERNOON AND TONIGHT SEVERE THUNDERSTORMS ARE POSSIBLE ACROSS MOST OF THE OUTLOOK AREA THIS AFTERNOON AND THIS EVENING. A SLOW MOVING SURFACE AND UPPER LEVEL LOW PRESSURE SYSTEM WILL FOCUS STORMS OVER EASTERN NEBRASKA AND WESTERN IOWA. WHILE WIND SHEAR IS MINIMAL...THE HIGH INSTABILITY WILL MAKE DAMAGING WINDS AND LARGE HAIL THE MAIN SEVERE WEATHER THREATS. TEMPERATURES IN THE 90S ALONG WITH INCREASING HUMIDITY WILL PUSH HEAT INDEX VALUES INTO THE 100 TO 105 DEGREE RANGE THIS AFTERNOON. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY THE HEAT INDEX IS FORECAST TO REACH 100 TO 105 DEGREES AGAIN TUESDAY AFTERNOON MAINLY NEAR AND SOUTH OF THE PLATTE RIVER IN NEBRASKA AND FROM COUNCIL BLUFFS SOUTHWARD IN SOUTHWEST IOWA. THE CHANCE FOR THUNDERSTORMS WILL CONTINUE TUESDAY AND WEDNESDAY AS THE STORM SYSTEM MOVES ACROSS THE PLAINS. SOME SEVERE THUNDERSTORMS WILL BE POSSIBLE WITH DAMAGING WINDS THE MAIN THREAT. .SPOTTER INFORMATION STATEMENT... STORM SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT. DERGAN
The Grand Island radar (KUEX), 105 km away, was scanning. The volume nearest the first event began at 21:16 UTC.
1 thunderstorm wind. Local standard time, as filed.
Thunderstorm wind gusts estimated at 70 mph blew a 60 foot by 80 foot roof off of a business in town.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Nebraska in 2003Every state in 2003This day in weather historyWarnings in Nebraska, August 2003
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: 5374493.