A scattered strong thunderstorm produced minor wind damage in the Madison area on the morning of the 24th.
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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 episode as NWS ICT wrote it up.
A scattered strong thunderstorm produced minor wind damage in the Madison area on the morning of the 24th.
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 Wichita, KS wrote its last area forecast discussion before the first event at Jul 24, 4:12 AM CST, 4 hours 18 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE WICHITA KS 512 AM CDT SUN JUL 24 2011 .AVIATION...12Z TAFS KRSL/KSLN/KHUT/KICT/KCNU WEAK FRONTAL BOUNDARY OOZING SLOWLY SOUTH ACROSS THE KS REGION WILL LIKELY RESULT IN SCATTERED AFTERNOON AND EVENING THUNDERSTORMS ACROSS MUCH OF THE AREA. HAVE INSERTED VCTS FOR ALL TERMINALS STARTING 20-21Z. DUE TO WEAK SHEAR...THREAT FOR ORGANIZED SEVERE WEATHER IS LOW...BUT ISOLATED OCCURRENCES OF STRONG DOWNBURST WINDS ARE LIKELY. A MOIST/UNSTABLE ATMOSPHERE COUPLED WITH THE LINGERING FRONTAL BOUNDARY SHOULD CONTINUE HIT- AND-MISS THUNDERSTORMS ACROSS THE AREA WELL INTO THE EVENING. ADK && .PREV DISCUSSION... /ISSUED 343 AM CDT SUN JUL 24 2011/ DISCUSSION... FORECAST CONCERNS TODAY WILL BE HOT TEMPS THIS AFTERNOON...THEN PROBABLY THE BEST CHANCE FOR MEASURABLE RAINFALL ACROSS THE AREA THIS EVENING. THEN HOT TEMPS AGAIN FOR MID WEEK. TODAY-TONIGHT: ANOTHER HOT AND HUMID DAY IS EXPECTED ACROSS THE AREA TODAY...AS A WEAK COOL FRONT BEGINS TO DROP SOUTH-SOUTHEAST INTO THE FORECAST AREA FOR THE AFTERNOON HOURS. MAIN CONCERN WILL BE WHERE THIS EFFECTIVE FRONT WILL END UP FOR THE AFTERNOON HOURS...WITH POSSIBLE CONVECTION BUBBLING UP ALONG IT DURING THE LATE AFTERNOON AND EVENING HOURS. CONVERGENCE INCREASES ENOUGH ALONG THIS BOUNDARY FOR AT LEAST A WIDELY SCATTERED STORM CHANCE GIVEN THE UNSTABLE AIRMASS EXPECTED TO BE IN PLACE...AND TEMPS REACHING 105. GFS/NAM-WRF BOTH SHOW THIS BOUNDARY WILL BE LOCATED ALONG HIGHWAY 50 FOR THE AFTERNOON HOURS WITH THIS PROBABLY BEING THE BEST CHANCE FOR SHOWERS AND THUNDERSTORMS THAT MOST AREAS HAVE SEEN IN ALMOST TWO WEEKS...ALBEIT A SMALL CHANCE. A HOT AIRMASS WILL BE LOCATED SOUTH OF THIS BOUNDARY WITH UPPER 60 TO LOW 70 DEWPOINTS POOLING ALONG THE BOUNDARY. COMPRESSIONAL HEATING WILL AGAIN PUSH TEMPS ACROSS SRN KS IN THE 102 TO 105 DEGREE RANGE WITH HEAT INDICES IN THE 105 TO 110 RANGE. SO CURRENT HEAT HEADLINES LOOK RIGHT ON TAP. A LITTLE CONCERNED ABOUT CEN KS ACTUALLY REACHING HEAT CRITERIA WITH TEMPS ACTUALLY IN THE MIDDLE 90S IN THIS AREA...BUT HEAT INDEX VALUES MAY STILL TOP OUT IN THE 105 TO 110 DEGREE RANGE GIVEN THE HIGHER SFC DEWPOINTS IN THIS AREA. MON: UNCERTAINTY EXISTS ON WHERE THE EFFECTIVE BOUNDARY WILL BE ON MON...AS WARM ADVECTION BEGINS TO INCREASE AGAIN ACROSS THE PLAINS. CURRENT MODEL TRENDS SUGGEST THAT THE BOUNDARY WILL LIFT BACK INTO NORTHERN AND NORTHEAST KS FOR MON AFTERNOON...WITH THE HOT TEMPS AGAIN SURGING BACK INTO THE 100 TO 104 DEGREE RANGE ACROSS SRN KS. HAVE DECIDED TO EXTEND THE EXCESSIVE HEAT WARNING ACROSS ALL OF SRN KS...GIVEN THE CONTINUED CHANCE OF HOT AND HUMID CONDITIONS. NOT AS CONFIDENT IN HOW CEN KS WILL PLAY OUT...SO WILL NOT EXTEND IT FOR THIS AREA. TUE-THU: HOT TEMPERATURES WILL BE THE STORY FOR THE MIDDLE OF THE WORK WEEK WITH DANGEROUS HEAT INDICES AGAIN SURGING BACK INTO THE 105 TO 110 RANGE. CONSENSUS AT THIS TIME IS TOO ONLY EXTEND THE HEAT HEADLINES INTO MON...BUT THINK EXCESSIVE HEAT HEADLINES WILL BE NEEDED AGAIN FOR TUE THROUGH THU AS WELL. BUT WITH UNCERTAINTY WILL HOLD OFF FOR NOW...BUT WOULD NOT BE SURPRISED TO SEE THIS ADDED WITH LATER UPDATES. COULD AGAIN SEE SOME ISOLATED STORMS DEVELOP ACROSS CEN KS ON WED AFTERNOON AND AGAIN ON THU AFTERNOON...WITH A WEAK BOUNDARY AGAIN EXPECTED TO BE LOCATED IN THIS AREA...SO WILL KEEP A SLIGHT POP GOING IN THIS AREA FOR NOW. THU NIGHT-SAT: SOME RELIEF FROM THE HEAT LOOKS POSSIBLE FOR THU NIGHT THROUGH SAT...AS THE STRONG UPPER RIDGE LOOKS TO BREAK DOWN SOME FOR THE END OF THE WEEK. THIS WILL HELP PUSH ANOTHER FRONTAL BOUNDARY ACROSS THE FORECAST AREA FOR THU NIGHT INTO FRI...WITH SLIGHTLY COOLER TEMPS AND A CHANCE OF SHOWERS AND THUNDERSTORMS. KETCHAM AVIATION...06Z TAFS KRSL/KSLN/KHUT/KICT/KCNU THUNDERSTORM ACTIVITY HAS DISSIPATED ACROSS CENTRAL/SOUTH CENTRAL KS AND WILL KEEP TAF SITES DRY OVERNIGHT. AS OF LATE EVENING...A WEAK COLD FRONT EXTENDED FROM NORTHWEST IOWA TO CENTRAL NEBRASKA TO NORTHEAST COLORADO. THIS FRONT SHOULD SINK SOUTHWARD TO NEAR I-70 SUNDAY AFTERNOON. SCATTERED THUNDERSTORMS SHOULD DEVELOP ALONG/NORTH OF THE FRONT SUNDAY PM/EVE. THIS COULD HELP PUSH THE FRONT A BIT FURTHER SOUTH SUNDAY NIGHT. WILL INCLUDE VCTS AT MOST SITES SUN PM/EVE. THE MAIN HAZARD WOULD BE MICROBURST POTENTIAL NEAR ANY STORMS GIVEN INVERTED V TYPE SOUNDINGS. OTHERWISE...VFR TO PREVAIL AWAY FROM ANY STORMS. JMC && .PRELIMINARY POINT TEMPS/POPS... WICHITA-KICT 104 78 102 76 / 30 30 10 10 HUTCHINSON 103 77 100 75 / 40 30 10 10 NEWTON 103 78 100 75 / 40 30 10 10 ELDORADO 104 76 98 74 / 30 30 10 10 WINFIELD-KWLD 105 80 100 76 / 20 20 10 10 RUSSELL 100 74 97 75 / 30 30 10 10 GREAT BEND 101 74 99 75 / 30 30 10 10 SALINA 101 78 99 75 / 30 30 10 10 MCPHERSON 103 77 100 75 / 40 30 10 10 COFFEYVILLE 105 78 98 76 / 20 20 10 10 CHANUTE 105 77 94 75 / 30 30 10 10 IOLA 106 76 94 74 / 30 30 10 10 PARSONS-KPPF 105 78 96 75 / 20 30 10 10 && .ICT WATCHES/WARNINGS/ADVISORIES... EXCESSIVE HEAT WARNING UNTIL 7 PM CDT MONDAY FOR KSZ067>072-082- 083-091>096-098>100. EXCESSIVE HEAT WARNING UNTIL 7 PM CDT THIS EVENING FOR KSZ032- 033-047>053. &&
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE WICHITA KS 544 AM CDT SUN JUL 24 2011 KSZ032-033-047>053-067>072-082-083-091>096-098>100-251045- RUSSELL-LINCOLN-BARTON-ELLSWORTH-SALINE-RICE-MCPHERSON-MARION-CHASE- RENO-HARVEY-BUTLER-GREENWOOD-WOODSON-ALLEN-KINGMAN-SEDGWICK-HARPER- SUMNER-COWLEY-ELK-WILSON-NEOSHO-CHAUTAUQUA-MONTGOMERY-LABETTE- 544 AM CDT SUN JUL 24 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL KANSAS... SOUTH CENTRAL KANSAS AND SOUTHEAST KANSAS. .DAY ONE...TODAY AND TONIGHT DANGEROUS HEAT WILL AFFECT THE ENTIRE AREA THROUGH THE EARLY EVENING HOURS...PLEASE CHECK THE EXCESSIVE HEAT WARNING FOR DETAILS. ISOLATED TO WIDELY SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS CENTRAL KANSAS ALONG AND NORTH OF A LINE FROM HUTCHINSON TO NEWTON TO EUREKA LATE THIS AFTERNOON INTO THIS EVENING. A COUPLE OF THE STRONGER STORMS MAY PRODUCE BRIEF DAMAGING WINDS. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT MONDAY ACROSS SOUTHERN KANSAS. CHECK THE EXCESSIVE HEAT WARNING FOR ADDITIONAL DETAILS. THE TRIPLE DIGIT HEAT INDICES WILL CONTINUE THROUGH AT LEAST FRIDAY OVER THE ENTIRE AREA. ADDITIONAL EXCESSIVE HEAT WARNINGS MAY BE NEEDED LATER IN THE WEEK. THERE ARE SLIGHT CHANCES FOR STORMS MONDAY AFTERNOON AND AGAIN DURING THE AFTERNOON HOURS FOR WEDNESDAY AND THURSDAY ACROSS CENTRAL KANSAS. STRONG STORMS ARE LIKELY AND ISOLATED SEVERE STORMS POSSIBLE. VERY HIGH FIRE DANGER IS FORECAST SOUTHWEST OF A LINE FROM GREAT BEND TO WELLINGTON ON WEDNESDAY AND THURSDAY. .SPOTTER INFORMATION STATEMENT... SKYWARN SPOTTER ACTIVATION IS NOT ANTICIPATED TODAY OR TONIGHT. && FOR A GRAPHICAL VERSION OF THIS INFORMATION...SEE OUR WEBPAGE AT (LOWERCASE) HTTP://WEATHER.GOV/WICHITA/HWO/HWO.PHP KETCHAM
The Topeka radar (KTWX), 97 km away, was scanning. The volume nearest the first event began at 14:27 UTC.
1 thunderstorm wind. Local standard time, as filed.
Winds estimated between 45 and 55 mph partially downed a few power poles, and also produced some tree damage.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Kansas in 2011Every state in 2011This day in weather historyWarnings in Kansas, July 2011
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: 335897.