Another round of hot, sunny, and moist conditions moved into eastern Kansas on the 26th. The heat persisted into August for Coffey, Anderson, and Lyon county.
Every event with a place to put it; 23 filed by county or forecast zone are drawn at its center, in a lighter ring. 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 episode as NWS TOP wrote it up.
Another round of hot, sunny, and moist conditions moved into eastern Kansas on the 26th. The heat persisted into August for Coffey, Anderson, and Lyon county. Heat indices below 100 occurred across most the cwa on the 29th and 30th as boundary moved through most of northeast Kansas.
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 26, 11:24 AM CST, 36 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TOPEKA KS 1224 PM CDT TUE JUL 26 2011 ...UPDATE TO AVIATION... .DISCUSSION... THE HEAT CONTINUES THROUGH MID WEEK...PRECIP CHANCES BEGIN TO NOSE INTO THE AREA FROM THE NORTH WEDNESDAY AFTERNOON. HIGH PRESSURE ALOFT CENTERED OVER THE TX PANHANDLE HAS FLATTENED A BIT AS SHORTWAVE TROFS MOVE THROUGH THE NORTHERN PLAINS. SHARPER TROF MOVING ACROSS THE PAC NW ATTM. TODAY-WED...ANOTHER WARM DAY TODAY AS HIGHS EXPECTED TO RANGE FROM THE MID 90S FAR NE TO AROUND 100 IN THE SOUTHWEST. MID LEVEL TEMPS CONTINUE TO BUILD OVERNIGHT AS NORTHERN WAVE APPROACHES..LEAVING WARM OVERNIGHT LOWS AND A RISE IN 850MB TEMPS OF 2-3C FOR WEDNESDAY. EXPECT AFTERNOON MIXING WILL DO TWO THINGS...PRIMARILY MAKE IT HOT WITH HIGHS IN THE 100 TO 105 RANGE...BUT MAY ALSO DESTABILIZE ENOUGH ALONG THE INCOMING FRONT FOR A FEW AFTERNOON STORMS TO FIRE IN THE NE CORNER. ADDED SOME AFTERNOON POPS FOR THIS. THURS-FRI...LLJ VEERS THROUGH THE NIGHT AND THIS MAY AID IN KEEPING FRONT FARTHER NORTHWARD AND ALIGNED WITH THE WESTERLY FLOW SOUTH OF THE NORTHERN WAVE. EXPECT STORM CHANCES AND LOCATIONS WILL BE INFLUENCED ON THE MESOSCALE...WITH AN OUTFLOW BOUNDARY ACROSS THE AREA THURSDAY A POSSIBILITY ESPECIALLY FOR THE NORTHERN COUNTIES. HAVE THEREFORE NOT EXTENDED THE HEAT WARNING INTO THURSDAY AS OF YET. WORTH NOTING THAT AREAS SOUTH OF THE FRONT WILL BE QUITE WARM AND WOULD LIKELY REACH HEAT ADVISORY CRITERIA. ALSO STORMS WOULD BE CAPABLE OF DAMAGING WINDS CONSIDERING THE STRONG LAPSE RATES IN THE LOW LEVELS. HAVE CONTINUED POP CHANCES INTO FRIDAY AS FRONT MAKES SLOW PROGRESS SOUTH AND EVENTUALLY WASHES OUT. COOLER TEMPERATURES EXPECTED FRIDAY WITH HIGHS IN THE 90S. SAT-MON...SATURDAY A BIT OF A TRANSITION DAY WITH HIGHS IN THE 90S BUT CONDITIONS DRYING OUT. RIDGE BEGINS TO REBOUND LATE SATURDAY ACROSS CENTRAL KS AND THEN BACK TO EASTERN ZONES ON SUNDAY WHERE WOULDNT BE SURPRISED TO BE BACK NEAR THE CENTURY MARK SUNDAY INTO MONDAY. 67 && .AVIATION... FEW TO SCT BOUNDARY LAYER CU WILL DEVELOP THIS AFTERNOON AT THE TAF SITES. LOW-LEVEL JET WILL INCREASE THROUGH THE NIGHT CAUSING MODERATE LOW-LEVEL VERTICAL WIND SHEAR BETWEEN 06Z-14Z WED. SOUTHERLY SFC WINDS WILL INCREASE TO 15 TO 20 KTS AFTER 15Z WED. GARGAN && .TOP WATCHES/WARNINGS/ADVISORIES... EXCESSIVE HEAT WARNING UNTIL 8 PM CDT WEDNESDAY FOR KSZ008>012- 020>024-026-036-038>040. EXCESSIVE HEAT WARNING UNTIL 8 PM CDT WEDNESDAY FOR KSZ034-035- 037-054>056-058-059. &&
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TOPEKA KS 532 AM CDT TUE JUL 26 2011 KSZ008>012-020>024-026-034>040-054>056-058-059-271045- REPUBLIC-WASHINGTON-MARSHALL-NEMAHA-BROWN-CLOUD-CLAY-RILEY- POTTAWATOMIE-JACKSON-JEFFERSON-OTTAWA-DICKINSON-GEARY-MORRIS- WABAUNSEE-SHAWNEE-DOUGLAS-LYON-OSAGE-FRANKLIN-COFFEY-ANDERSON- 532 AM CDT TUE JUL 26 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL...NORTH CENTRAL AND NORTHEAST KANSAS. .DAY ONE...TODAY AND TONIGHT. AN EXCESSIVE HEAT WARNING IS IN EFFECT FOR THE AREA TODAY AS HEAT INDICES APPROACH 105 TO 108 DEGREES THIS AFTERNOON. OVERNIGHT TEMPERATURES WILL ONLY DROP INTO THE UPPER 70S TO LOWER 80S. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. AN EXCESSIVE HEAT WARNING IS NOW IN EFFECT FOR THE ENTIRE AREA THROUGH EARLY WEDNESDAY EVENING FOR HEAT INDICES COMMONLY IN THE 105 TO 110 DEGREE RANGE AND WARM OVERNIGHT LOW TEMPERATURES. THUNDERSTORMS ARE POSSIBLE ACROSS MOST OF THE AREA WEDNESDAY NIGHT INTO SATURDAY AFTERNOON. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED THROUGH TONIGHT.
The national radar mosaic for the moment the first event began.
23 excessive heat. Local standard time, as filed.
Heat indices across the county reached to 110-115 as a warm and moist air mass moved into the area for a prolonged period of time.
Heat indices across the county reached to 105-110 as a warm and moist air mass moved into the area for a prolonged period of time.
Heat indices across the county reached to 105-110 as a warm and moist air mass moved into the area for a prolonged period of time.
Heat indices across the county reached to 105-110 as a warm and moist air mass moved into the area for a prolonged period of time.
Heat indices across the county reached to 105-110 as a warm and moist air mass moved into the area for a prolonged period of time.
Heat indices across the county reached to 105-110 as a warm and moist air mass moved into the area for a prolonged period of time.
Heat indices across the county reached to 105-110 as a warm and moist air mass moved into the area for a prolonged period of time.
Heat indices across the county reached to 105-110 as a warm and moist air mass moved into the area for a prolonged period of time.
Heat indices across the county reached to 105-110 as a warm and moist air mass moved into the area for a prolonged period of time.
Heat indices across the county reached to 105-110 as a warm and moist air mass moved into the area for a prolonged period of time.
Heat indices across the county reached to 105-110 as a warm and moist air mass moved into the area for a prolonged period of time.
Heat indices across the county reached to 105-110 as a warm and moist air mass moved into the area for a prolonged period of time.
Heat indices across the county reached to 105-110 as a warm and moist air mass moved into the area for a prolonged period of time.
Heat indices across the county reached to 105-110 as a warm and moist air mass moved into the area for a prolonged period of time.
Heat indices across the county reached to 105-110 as a warm and moist air mass moved into the area for a prolonged period of time.
Heat indices across the county reached to 105-110 as a warm and moist air mass moved into the area for a prolonged period of time.
Heat indices across the county reached to 105-110 as a warm and moist air mass moved into the area for a prolonged period of time.
Heat indices across the county reached to 105-110 as a warm and moist air mass moved into the area for a prolonged period of time.
Heat indices across the county reached to 105-110 as a warm and moist air mass moved into the area for a prolonged period of time.
Heat indices across the county reached to 105-110 as a warm and moist air mass moved into the area for a prolonged period of time.
Heat indices across the county reached to 105-110 as a warm and moist air mass moved into the area for a prolonged period of time.
Heat indices across the county reached to 105-110 as a warm and moist air mass moved into the area for a prolonged period of time.
Heat indices across the county reached to 105-110 as a warm and moist air mass moved into the area for a prolonged period of time.
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: 335132, 335136, 335137, 335138, 335139, 335140, 335141, 335142, 335143, 335144, 335145, 335146, 335147, 335148, 335149, 335150, 335151, 335152, 335154, 335155, 335156, 335157, 335158.