3 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 Topeka, KS wrote its last area forecast discussion before the first event at Jul 21, 2:57 AM CST, 1 hour 3 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TOPEKA KS 357 AM CDT WED JUL 21 2004 .DISCUSSION... SHORTTERM CONCERNS ARE EXTENT CURRENT CONVECTION WILL SPREAD TO THE EAST...THEN TEMPERATURES AND PRECIP CHANCES FOR THIS AFTERNOON. LATER CONCERNS ARE EXTENT OF PRECIP WITH BOUNDARY SLIPPING SOUTH ACROSS AREA LATE TONIGHT THROUGH THURSDAY...THEN TEMPERATURES AND PRECIP CHANCES SUNDAY INTO TUESDAY. AT EARLY MORNING...SURFACE TROUGH EXTENDED FROM LOW OVER EASTERN DAKOTAS INTO NORTHWEST KANSAS. UPPER FLOW SHOWS RIDGES ALOFT BEING FLATTEN BY SHORTWAVE ENERGY WITH SEVERAL IMPULSES IN FLOW. ACTIVITY HAS BEEN MOST ACTIVE NORTH BUT SINCE ABOUT 2 30 AM HAS INCREASE IN CONVERGENCE AREA ALONG OUTFLOW BOUNDARY HEADING INTO NORTH CENTRAL KANSAS. WILL GO WITH SCATTERED ACTIVITY FOR NORTH CENTRAL AND FAR NORTHERN COUNTIES OF CWA FOR THE MORNING EXPECTING ACTIVITY TO DIMINISH AFTER MID MORNING. PROBLEM THEN IS CLOUD DEBRIS AND EFFECT ON TEMPERATURES AND LEFT OVER BOUNDARIES. WENT HIGHS FROM AROUND 97 TO 99 ACROSS CWA. HEAT INDICES FROM AROUND 100 TO 105. FOR TONIGHT...GFS MOST VIGOROUS WITH NEXT SHORTWAVE COMING OUT OF CENTRAL ROCKIES. FOR NOW KEEPING POPS IN THE CHANCE RANGE AS MODELS DIFFER ON STRENGTH OF FEATURE. AS IT SWINGS BY FRONT TO THE NORTH BEGINS TO DROP SOUTH. LOWS FROM AROUND 70 NORTH CENTRAL TO LOWER 70S EAST CENTRAL. ON THURSDAY...MODELS STILL CONFUSING ISSUE WITH TIMING DIFFERENCES ON SHORTWAVE ENERGY PLUS HAVE FRONT SAGGING ACROSS CWA. FOR NOW FAVORING THE ETA ON FRONTAL MOTION. AGAIN KEEP CHANCE POPS DUE TO UNCERTAINTY OF STRENGTH OF UPPER FEATURES AND FRONTAL TIMING. COOL DOWN COMMENCES WITH HIGHS IN THE MIDDLE 80S NORTH CENTRAL TO AROUND 90 EAST CENTRAL. THURSDAY NIGHT INTO FRIDAY MODELS APPEAR TO HAVE SOME CONTINUITY WITH BOUNDARY SINKING ACROSS CWA...POPS GENERALLY IN THE 50 PERCENT RANGE FOR NOW THURSDAY NIGHT AND 30 AND 40 PERCENTS FRIDAY AM...20 AND 30 PERCENT NORTH TO SOUTH FRIDAY AFTERNOON AS OVERRUNNING OF FRONT LINGERS THE LIFT ESPECIALLY OVER SOUTHERN PORTIONS FRIDAY AFTERNOON. HIGHS FRIDAY FROM UPPER 70S NORTH TO LOWER 80S SOUTH WITH THE MAV NUMBERS ABOUT 3 TO 4 DEGREES COOLER THAN THAT. SATURDAY AND SUNDAY DRY FOR NOW BUT MOISTURE TO THE WEST AND MODELS INCONSISTENT WITH DEPICTING TROUGHING TO THE NORTH. ECMWF WANTS TO SWING A TROUGH ACROSS IN NORTHERN STREAM SUNDAY...THE 00Z GFS NOW SLOWER WITH THIS FEATURE...CLOSING IT OFF MONDAY TO THE NORTH AND SWINGING IT INTO IOWA AND MINNESOTA BY 12Z TUESDAY. WITH THIS UNCERTAINTY...LEFT FORECAST DRY FOR NOW. NORTHWEST FLOW SHOULD KEEP TEMPERATURES MILD AND WILL GO WITH HIGHS IN THE MAINLY LOWER 80S ...SOME REBOUND HINTED BY MEX NUMBERS FOR TUESDAY AND STARTED TREND UP WITH THE MID 80S. && .TOP...WATCHES/WARNINGS/ADVISORIES...NONE. && PF
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TOPEKA KS 442 PM CDT TUE JUL 20 2004 KSZ008>012-020>024-026-034>040-054>056-058-059-211000- ANDERSON-BROWN-CLAY-CLOUD-COFFEY-DICKINSON-DOUGLAS-FRANKLIN-GEARY- JACKSON-JEFFERSON-LYON-MARSHALL-MORRIS-NEMAHA-OSAGE-OTTAWA- POTTAWATOMIE-REPUBLIC-RILEY-SHAWNEE-WABAUNSEE-WASHINGTON- INCLUDING THE CITIES OF...ABILENE...CLAY CENTER...CONCORDIA... EMPORIA...HIAWATHA...JUNCTION CITY...LAWRENCE...MANHATTAN... MARYSVILLE...OTTAWA AND TOPEKA 442 PM CDT TUE JUL 20 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL...NORTHEAST AND EAST CENTRAL KANSAS. .DAY ONE...TONIGHT THERE IS A CHANCE FOR THUNDERSTORMS AFTER MIDNIGHT TONIGHT FOR AREAS GENERALLY ALONG AND NORTH OF AN ABILENE TO HIAWATHA LINE. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY THUNDERSTORM CHANCES WILL CONTINUE ACROSS MUCH OF THE AREA WEDNESDAY THROUGH FRIDAY. SOME OF THE THUNDERSTORMS TO THE NORTH OF I 70 COULD BRIEFLY PRODUCE LARGE HAIL AND STRONG GUSTY WINDS WEDNESDAY AFTERNOON AND EVENING. .SPOTTER INFORMATION STATEMENT... SPOTTERS SHOULD NOT BE NEEDED TONIGHT. && MORE INFORMATION MAY BE OBTAINED AT THE FOLLOWING WEB PAGE: HTTP://WWW.CRH.NOAA.GOV/TOP (ALL LOWER CASE)
The Topeka radar (KTWX), 89 km away, was scanning. The volume nearest the first event began at 09:58 UTC.
3 thunderstorm wind. Local standard time, as filed.
Strong winds blew down 13 power line poles near Waterville.
Strong winds blew down a large tree onto highway 77.
Strong winds blew the roof off of a warehouse in Waterville. Trees were also blow over, one knocking off a street light.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Kansas in 2004Every state in 2004This day in weather historyWarnings in Kansas, July 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: 5405329, 5405330, 5405331.