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 St. Louis, MO wrote its last area forecast discussion before the first event at Sep 15, 2:45 PM CST, 2 hours 50 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE ST LOUIS MO 345 PM CDT WED SEP 15 2004 .DISCUSSION... MAIN CONCERNS THIS PKG TO BE MVMT OF CD FNT ACRS RGN THIS EVE/TNGT AND INFLUENCE OF IVAN ON SYNOP FEATURES MVMT INTO WK END. UA MDLS INITIALIZED VERY GOOD WITH 500MB TROF OVR NRN PLNS WITH SWLY FLOW ACRS CTRL AND UPR MIDWEST. THIS WV LIFTS QUICKLY NE INTO GT LKS BY 24H AND FLOW BECMS ZNL ACRS CTRL US. RMNS OF HURCN IVAN MOV INTO SERN U.S. AND STALLS WITH QSTNRY TROF. MDLS HANDLE DIFFERENTLY BUT FLOW BECMS NLY ACRS FA OVR WKEND. AT LWR LVLS 850MB LLJ FM THIS MRNG HAS MOVD NE AND MDLS DO NOT REESTABLISH TNGT. CD FNT NOW ACRS NW MO WL MOV SE ACRS RGN TNGT AND SLOWING. RADARS SHWG LN TSRA ALG FNT AND HV INCRSD POPS TO LIKELY OVR ALL XCPT XTRM NWRN AND SERN ZNS FOR TNGT. WL END PCPN TNGT FM W AND OUT OF FA BY MIDDAY THU. DRY CONDS TO CONT THRU WKEND AS IVAN MOVS THRU SERN U.S. WITH STG SUBSIDENCE TO NW OF THAT SYSTEM. XTNDD TO RMN DRY UNTIL WED WHEN NXT FROPA XPCTD SO WL INTRO CHC POPS FOR WED AND WED NGT. TEMPS TO BE AT OR SLGTLY ABV NRML FOR PD. && .LSX WATCHES/WARNINGS/ADVISORIES... MO...NONE. IL...NONE. && WDB
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE ST LOUIS MO 309 PM CDT WED SEP 15 2004 ILZ058>060-064-065-095>102-MOZ018-019-026-027-034>036-041-042- 047>052-059>065-072-073-161100- ADAMS IL-AUDRAIN-BOND IL-BOONE-BROWN-CALHOUN IL-CALLAWAY-COLE- CRAWFORD-FAYETTE IL-FRANKLIN-GASCONADE-GREENE IL-JEFFERSON-JERSEY IL- KNOX-LEWIS-LINCOLN-MACOUPIN IL-MADISON IL-MARION-MONITEAU-MONROE- MONROE IL-MONTGOMERY-MONTGOMERY IL-OSAGE-PIKE-PIKE IL-RALLS-SHELBY- ST CHARLES-ST CLAIR IL-ST LOUIS-ST LOUIS CITY-WARREN-WASHINGTON- 309 PM CDT WED SEP 15 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PARTS OF NORTHEAST...CENTRAL AND EAST CENTRAL MISSOURI AS WELL AS WEST CENTRAL AND PARTS OF SOUTH CENTRAL AND SOUTHWEST ILLINOIS. .DAY ONE...TONIGHT THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS EVENING. THUNDERSTORMS ARE EXPECTED TO DEVELOP AS THE ATMOSPHERE BECOMES UNSTABLE AHEAD OF A COLD FRONT THAT WILL MOVE ACROSS THE REGION TONIGHT. A FEW OF THESE STORMS MAY BECOME SEVERE...CAPABLE OF PRODUCING DAMAGING WIND GUSTS IN EXCESS OF 60 MPH. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH WEDNESDAY THERE WILL BE A CHANCE OF THUNDERSTORMS ACROSS THE AREA ON WEDNESDAY. .SPOTTER ACTIVATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED THIS EVENING. ILZ069-070-074-079-MOZ074-075-084-085-099-161100- CLINTON IL-IRON-MADISON-MARION IL-RANDOLPH IL-REYNOLDS-ST FRANCOIS- STE GENEVIEVE-WASHINGTON IL- 309 PM CDT WED SEP 15 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PARTS OF SOUTHEAST MISSOURI AS WELL AS PARTS OF SOUTH CENTRAL AND SOUTHWEST ILLINOIS. .DAY ONE...TONIGHT SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS THE REGION FROM THIS EVENING INTO TONIGHT AHEAD OF A COLD FRONT THAT WILL MOVE INTO THE AREA LATE TONIGHT. NO ORGANIZED OR WIDESPREAD SEVERE WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH WEDNESDAY THERE WILL BE A CHANCE OF THUNDERSTORMS ACROSS THE AREA ON WEDNESDAY. .SPOTTER ACTIVATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED TODAY OR TONIGHT. JPK
The St Louis radar (KLSX), 114 km away, was scanning. The volume nearest the first event began at 23:35 UTC.
1 thunderstorm wind. Local standard time, as filed.
The County Sheriff reported a tractor trailer overturned on Highway 19 southwest of Perry.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Missouri in 2004Every state in 2004This day in weather historyWarnings in Missouri, 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: 5420132.