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 May 22, 3:40 AM CST, 1 hour 5 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE ST LOUIS MO 440 AM CDT SUN MAY 22 2005 .DISCUSSION... CENTROID OF THIS MRNGS MCS SHUD CONT TRACKING SE ERY TDA...AS W 85H JET CONTS TO PUMP UNSTBL AMS INTO COMPLEX. WITH STGST CNVTN OVR CNTRL MO INTERCEPTING BEST MSTR AND INSTABILITY....BLV THAT PCPN WL CONT TO HV A TUF TIME GETTING TOO MUCH FURTHER E THAN A KSTL-KSAR LN. MEANWHILE...TAIL END OF SHTWV ROTATING ARND UPR LOW OVR N MN APRS TO BE THE IMPETUS FOR SE MVMT OF THE BACK EDGE OF THE MCS. EXTRAP OF THIS TRAILING EDGE PLACES THE END OF THIS MRNGS PCPN NR A VIH-STL LN BY 12Z. BLV THAT THIS MRNGS PCPN MAY PUT A REAL DENT INTO PCPN CHCS THIS AFTN AS CDFNT PUSHES ACR S SECTIONS OF FA. NOT ONLY WL CLDS/PCPN LIMIT DESTABILIZATION OF AMS...BUT OUTFLOW FURTHER S MAY BECOME THE EFFECTIVE BNDRY...WITH CNVGC NR FNT FCST TO BE FAIRLY WK. HV OPTED TO CONT CHC POPS ALG-S OF A KJEF-KALN LN FOR AFTN FOR NOW...AND LET DAY SHIFT NOWCAST ADJUSTMENTS TO THIS AFTNS PCPN THRT. UPR LO OVR NE MN WL DROP SE...AND WL ALLOW A BIT OF A RETROGRESSION OF UPR LOW THAT HAS BEEN PARKED OVR NE U.S. THIS SHUD ALLOW COOLER AIR TO BACKDOOR ACR AREA DURG THE FEW HLF OF THE WORK WEEK. GOING FCST TRENDS HV A NICE HNDL ON THIS...AND ONLY MADE MINOR ADJ. PCPN THRT WITH THIS COOL AMS SHUD RMN LO TIL WED...AS NXT SHTWV APRCHS AREA. && .LSX WATCHES/WARNINGS/ADVISORIES... MO...NONE. IL...NONE. && TRUETT
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE ST LOUIS MO 356 PM CDT SAT MAY 21 2005 ILZ095>097-MOZ018-019-026-027-034>036-041-042-047>052-059-060-221100- ADAMS IL-AUDRAIN-BOONE-BROWN-CALLAWAY-COLE-GASCONADE-KNOX-LEWIS- LINCOLN-MARION-MONITEAU-MONROE-MONTGOMERY-OSAGE-PIKE-PIKE IL-RALLS- SHELBY-WARREN- 356 PM CDT SAT MAY 21 2005 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PARTS OF NORTHEAST MISSOURI AND WEST CENTRAL ILLINOIS. .DAY ONE...TONIGHT A COMPLEX OF THUNDERSTORMS IS EXPECTED TO MOVE INTO THE AREA FROM THE NORTHWEST AFTER MIDNIGHT. THERE IS A SLIGHT RISK THAT A FEW OF THESE STORMS COULD BE SEVERE...CAPABLE OF PRODUCING QUARTER SIZE HAIL AND WIND GUSTS IN EXCESS OF 60 MPH. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY THERE IS STILL A CHANCE OF THUNDERSTORMS ON SUNDAY MORNING AHEAD OF A COLD FRONT PUSHING THROUGH MISSOURI AND ILLINOIS. THE NEXT CHANCE OF THUNDERSTORMS WILL BE WEDNESDAY AND WEDNESDAY NIGHT AS STORM SYSTEM MOVES ACROSS THE MIDWEST. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED LATE TONIGHT. ILZ069-070-074-079-MOZ072>075-084-085-099-221100- CLINTON IL-CRAWFORD-IRON-MADISON-MARION IL-RANDOLPH IL-REYNOLDS- ST FRANCOIS-STE GENEVIEVE-WASHINGTON-WASHINGTON IL- 356 PM CDT SAT MAY 21 2005 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PARTS OF SOUTHEAST MISSOURI AS WELL AS PARTS OF SOUTHERN ILLINOIS. .DAY ONE...TONIGHT THERE IS A CHANCE OF THUNDERSTORMS LATE TONIGHT. AT THIS TIME...IT DOES NOT APPEAR THAT THESE STORMS WILL BE SEVERE. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY A COLD FRONT WILL MOVE ACROSS MISSOURI AND ILLINOIS DURING THE DAY ON SUNDAY. THERE IS STILL SOME UNCERTAINTY ON HOW THUNDERSTORMS LATE TONIGHT WILL AFFECT THE REDEVELOPMENT OF STORMS ON SUNDAY AFTERNOON. AT THIS TIME...THERE IS A SLIGHT RISK THAT A FEW STORMS COULD BE SEVERE...CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING WINDS. THE NEXT CHANCE OF THUNDERSTORMS WILL BE WEDNESDAY NIGHT AND THURSDAY AS A STORM SYSTEM MOVES ACROSS THE MIDWEST. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED TONIGHT...BUT MAY BE NEEDED DURING THE DAY ON SUNDAY. ILZ058>060-064-065-098>102-MOZ061>065-221100- BOND IL-CALHOUN IL-FAYETTE IL-FRANKLIN-GREENE IL-JEFFERSON-JERSEY IL- MACOUPIN IL-MADISON IL-MONROE IL-MONTGOMERY IL-ST CHARLES- ST CLAIR IL-ST LOUIS-ST LOUIS CITY- 356 PM CDT SAT MAY 21 2005 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PARTS OF EAST CENTRAL MISSOURI AS WELL AS PARTS SOUTH CENTRAL AND SOUTHWEST ILLINOIS. .DAY ONE...TONIGHT THERE IS A CHANCE OF THUNDERSTORMS LATE TONIGHT. AT THIS TIME...IT DOES NOT APPEAR THAT THESE STORMS WILL BE SEVERE. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY THERE IS A CHANCE OF THUNDERSTORMS ON SUNDAY AS A COLD FRONT MOVES ACROSS THE AREA. THE NEXT CHANCE OF THUNDERSTORMS WILL BE WEDNESDAY NIGHT AND THURSDAY AS A STORM SYSTEM MOVES ACROSS THE MIDWEST. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED TONIGHT. BRITT
The St Louis radar (KLSX), 112 km away, was scanning. The volume nearest the first event began at 10:45 UTC.
1 thunderstorm wind. Local standard time, as filed.
Thunderstorm wind gusts tore the roof off a mobile home on Route NN. Damage was estimated at $5000.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Missouri in 2005Every state in 2005This day in weather historyWarnings in Missouri, May 2005
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: 5445750.