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 Jun 12, 12:00 PM CST, 11 hours 39 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE ST LOUIS MO 100 PM CDT SAT JUN 12 2004 CLOSED H5 LOW WAS CENTERED OVER SASKATCHEWAN THIS MORNING WITH RIDGE OVER THE EASTERN STATES. SYSTEM WILL OPEN UP AND SWING INTO SOUTHEASTERN CANADA. FLOW PATTERN FLATTENS OUT WITH A NEARLY ZONAL FLOW ACROSS THE NORTHERN THIRD OF THE COUNTRY WITH RIDGING ACROSS THE SOUTHERN PART OF THE COUNTRY BY TUESDAY. CLOSED LOW WAS SITUATED OVER TX. UNDER THE EXPECTED UPPER FLOW PATTERN, EXPECT FRONTAL BOUNDARY TO REMAIN ACROSS THE MIDWEST MUCH OF NEXT WEEK. LOOKS LIKE MCS SEASON IS OPEN. UPPER JET OF 75 KTS WAS SWINGING ACROSS SOUTHERN AZ INTO NM THIS MORNING. THE ETA, GFS, NGM AND UKMET ALL FORECAST A JET STREAK OF 80 KTS ACROSS THE UPPER MIDWEST BY MIDNIGHT TONIGHT WITH A STRONGER JET COMING INTO THE PACIFIC NW. THE GFS IS ONLY MODEL OF THE 4 THAT FORECASTS SIGNIFICANT DIVERGENCE ACROSS EAST CENTRAL MO THIS EVENING. AS A RESULT IT FORECASTS A BATCH OF HEAVY RAIN ACROSS THE EASTERN OZARKS INTO SOUTHERN IL THIS AFTERNOON AND EVENING. THE JET COMING INTO THE PACIFIC NW IS FORECAST TO NOSE INTO CENTRAL PLAINS SUNDAY NIGHT. EXPECT ANOTHER MCS TO AFFECT MO SUNDAY NIGHT WITH HEAVY RAIN POSSIBLE NORTH OF I-70. THE GFS AND ETA BOTH STRONGLY HINT AT YET ANOTHER MCS MONDAY NIGHT MAINLY NORTH OF I-70. THE 850 MOISTURE WAS POOLED FROM THE CENTRAL PLAINS ACROSS THE SOUTHERN HALF OF MO INTO THE OH VALLEY THIS MORNING. LOW LEVEL JET WILL ADVECT HIGHER MOISTURE BACK INTO THE REGION TONIGHT. THE 10 KM WRF MODEL OUT OF NCAR APPEARS TO BE HANDLING THE ONGOING CONVECTION FROM SOUTHEAST NEB INTO SOUTHERN MO BETTER THAN THE 4 KM WRF. THE 10 KM WRF MODEL FORECASTS A MCS ACROSS NORTHEAST KS/SOUTHEAST NEB/NORTHWEST MO BY THIS EVENING WITH SYSTEM EXPANDING AND ROLLING ACROSS NORTH MO INTO CENTRAL AND EAST CENTRAL MO AFTER MIDNIGHT. SYSTEM WEAKENS DURING THE MORNING WHICH IS THE TYPICAL LIFE CYCLE. MODEL THEN FORECASTS ANOTHERN MCS DEVELOPING FROM NORTH CENTRAL TO WEST CENTRAL MO DURING THE LATE AFTERNOON HOURS ON SUNDAY. && .LSX WATCHES/WARNINGS/ADVISORIES... .MO...FLOOD WATCH FOR TONIGHT FOR CENTRAL AND NORTHEAST MO .IL...FLOOD WATCH FOR TONIGHT FOR WEST CENTRAL IL
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE ST LOUIS MO 300 PM CDT SAT JUN 12 2004 ILZ095>097-MOZ018-019-026-027-034>036-041-042-047>050-131000- ADAMS IL-AUDRAIN-BOONE-BROWN-CALLAWAY-COLE-KNOX-LEWIS-MARION- MONITEAU-MONROE-OSAGE-PIKE-PIKE IL-RALLS-SHELBY- 300 PM CDT SAT JUN 12 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL AND NORTHEAST MISSOURI AS WELL AS WEST CENTRAL ILLINOIS. .DAY ONE...TONIGHT A FLOOD WATCH IS IN EFFECT TONIGHT. ALSO THERE IS SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS THE REGION. A COMPLEXES OF THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS THE CENTRAL PLAINS DURING THE LATE AFTERNOON AND EVENING....AND MOVE EASTWARD INTO THE REGION TONIGHT. THESE STORMS WILL BE CAPABLE OF PRODUCING LARGE HAIL...DAMAGING WINDS AND LOCALLY HEAVY RAINFALL...HEAVY COULD PRODUCE LOCALLY FLOODING. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY THE ACTIVE PATTERN WILL CONTINUE ON SUNDAY AND MONDAY ACROSS THE REGION WITH A CONTINUED RISK OF SEVERE THUNDERSTORMS. THE COMBINATION OF VERY WARM AND UNSTABLE AIR ENTRENCHED ACROSS THE MISSISSIPPI VALLEY REGION...ALONG WITH MIGRATING UPPER LEVEL DISTURBANCES...WILL RESULT IN SEVERAL ROUNDS OF THUNDERSTORMS FROM LATE SUNDAY THROUGH MONDAY. THE MAIN SEVERE WEATHER THREAT FROM THESE STORMS WILL BE LARGE HAIL...DAMAGING WINDS AND LOCALLY HEAVY RAINFALL. THERE IS A CHANCE FOR THUNDERSTORMS DURING THE PERIOD FROM TUESDAY THROUGH THURSDAY NIGHT. THIS PERSISTENT THUNDERSTORM THREAT IS DUE TO THE COMBINATION OF AN UNSTABLE SUMMERTIME AIRMASS...AND A SERIES OF WEAK UPPER LEVEL DISTURBANCES. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED TONIGHT. ILZ058>060-064-065-069-070-074-079-098>102-MOZ051-052-059>065- 072>075-084-085-099-131000- BOND IL-CALHOUN IL-CLINTON IL-CRAWFORD-FAYETTE IL-FRANKLIN-GASCONADE- GREENE IL-IRON-JEFFERSON-JERSEY IL-LINCOLN-MACOUPIN IL-MADISON- MADISON IL-MARION IL-MONROE IL-MONTGOMERY-MONTGOMERY IL-RANDOLPH IL- REYNOLDS-ST CHARLES-ST CLAIR IL-ST FRANCOIS-ST LOUIS-ST LOUIS CITY- STE GENEVIEVE-WARREN-WASHINGTON-WASHINGTON IL- 300 PM CDT SAT JUN 12 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST CENTRAL AND SOUTHEAST MISSOURI AS WELL AS SOUTHWEST ILLINOIS. .DAY ONE...TONIGHT THERE IS SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS THE REGION. A COMPLEXES OF THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS THE CENTRAL PLAINS DURING LATE THIS AFTERNOON. THEY WILL MOVE EASTWARD INTO THE REGION TONIGHT. THESE STORMS WILL BE CAPABLE OF PRODUCING LARGE HAIL...DAMAGING WINDS AND LOCALLY HEAVY RAINFALL. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY THE ACTIVE PATTERN WILL CONTINUE ON SUNDAY AND MONDAY ACROSS THE REGION WITH A CONTINUED RISK OF SEVERE THUNDERSTORMS. THE COMBINATION OF VERY WARM AND UNSTABLE AIR ENTRENCHED ACROSS THE MISSISSIPPI VALLEY REGION...ALONG WITH MIGRATING UPPER LEVEL DISTURBANCES...WILL RESULT IN SEVERAL ROUNDS OF THUNDERSTORMS FROM LATE SUNDAY THROUGH MONDAY. THE MAIN SEVERE WEATHER THREAT FROM THESE STORMS WILL BE LARGE HAIL...DAMAGING WINDS AND LOCALLY HEAVY RAINFALL. THERE IS A CHANCE FOR THUNDERSTORMS DURING THE PERIOD FROM TUESDAY THROUGH THURSDAY NIGHT. THIS PERSISTENT THUNDERSTORM THREAT IS DUE TO THE COMBINATION OF AN UNSTABLE SUMMERTIME AIRMASS...AND A SERIES OF WEAK UPPER LEVEL DISTURBANCES. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED TONIGHT.
The St Louis radar (KLSX), 142 km away, was scanning. The volume nearest the first event began at 05:38 UTC.
1 thunderstorm wind. Local standard time, as filed.
Thunderstorm wind gusts downed some large tree branches and power lines.
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, June 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: 5401986.