Isolated thunderstorms developed across portions of the Missouri Ozarks during the early evening. The storms developed in a very moist and unstable atmosphere and produced isolated heavy rain and flash flooding along with localized wind damage.
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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 SGF wrote it up.
Isolated thunderstorms developed across portions of the Missouri Ozarks during the early evening. The storms developed in a very moist and unstable atmosphere and produced isolated heavy rain and flash flooding along with localized wind damage.
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 Springfield, MO wrote its last area forecast discussion before the first event at Jul 29, 1:38 PM CST, 2 hours 11 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SPRINGFIELD MO 238 PM CDT THU JUL 29 2010 .DISCUSSION... /ISSUED 114 PM CDT THU JUL 29 2010/ A WEAK SURFACE FRONT HAD STALLED FROM NORTHEAST KANSAS TO SOUTHEAST MISSOURI TODAY UNDERNEATH THE UPPER LEVEL HIGH PRESSURE RIDGE. ISOLATED TO SCATTERED CONVECTION HAD DEVELOPED ACROSS THE OZARKS AND OSAGE PLAINS IN RESPONSE TO AN UNSTABLE AND VERY MOIST AIRMASS INTERACTING WITH BROAD LOW LEVEL CONVERGENCE ALONG THE FRONT. EXPECT CONVECTION TO CONTINUE TO PERCOLATE INTO THE EARLY EVENING BEFORE DIMINISHING. VERY HEAVY RAINFALL AND LOCALIZED FLOODING WILL BE THE PRIMARY CONCERN WITH THESE STORMS WITH ONLY OUTSIDE RISK FOR STRONG WIND GUSTS. THE CENTER OF THE UPPER RIDGE WILL BECOME POSITIONED TO OUR WEST THE NEXT COUPLE OF DAYS RESULTING IN A SLIGHTLY MORE NORTHWESTERLY FLOW ALOFT. MEANWHILE THE REMNANTS OF THE SURFACE FRONT WILL MEANDER ACROSS THE LOWER MISSOURI AND WESTERN OHIO RIVER VALLEYS. THIS WILL PROVIDE SOME FOCUS FOR ISOLATED TO SCATTERED CONVECTION ESPECIALLY ACROSS CENTRAL AND SOUTH CENTRAL MISSOURI FRIDAY AND SATURDAY. WILL HAVE TO MONITOR POTENTIAL CONVECTIVE COMPLEX DEVELOPMENT UPSTREAM THE NEXT COUPLE OF NIGHTS AS WEAK IMPULSES RIDE AROUND THE UPPER RIDGE. THE HOTTEST TEMPERATURES FRIDAY WILL IMPACT THE OSAGE PLAINS OF SOUTHEAST KANSAS AND FAR SOUTHWEST MISSOURI WHERE MAXIMUM HEAT INDEX VALUES WILL LIKELY REACH 105. THEREFORE A HEAT ADVISORY WILL BE ISSUED. THE UPPER RIDGE WILL EXPAND ACROSS THE REGION SUNDAY INTO EARLY NEXT WEEK RESULTING IN ONLY ISOLATED IF ANY DIURNAL CONVECTION AND HOTTER TEMPERATURES. WITH HIGH TEMPERATURES IN THE MIDDLE TO UPPER 90S AND DEWPOINTS IN THE 70S...HEAT INDEX VALUES OF 100 TO 107 WILL BE COMMON AND ADDITIONAL HEAT ADVISORIES OR WARNINGS MAY BE ISSUED IN THE COMING DAYS. FOSTER && .AVIATION... FOR THE 18Z TAFS...SCT RA/TSRA CONTINUES TO DEVELOP EARLY THIS AFTERNOON. CURRENTLY HAVE JUST INDICATED VCTS AT ALL THREE TERMINALS AS CONVECTIVE DEVELOPMENT IS EXPECTED TO BE RATHER UNFOCUSED IN NATURE. SHOULD TSRA MOVE OVER AN AIRFIELD HOWEVER...BRIEF PERIODS OF MVFR TO IFR CIGS AND VIS CAN BE EXPECTED. OTHERWISE...CIGS SHOULD REMAIN LOW END VFR THROUGH THE AFTERNOON OUTSIDE OF TSRA. CONVECTION SHOULD DISSIPATE AROUND SUNSET TONIGHT. SOME INDICATION RIGHT NOW THAT A THUNDERSTORM COMPLEX COULD FORM OVER NEBRASKA/IOWA AND DROP SOUTH OVERNIGHT...THOUGH CONFIDENCE IS EXTREMELY LOW AND THUS HAVE LEFT OUT ANY MENTION OF TSRA OVERNIGHT ATTM. OTHER POSSIBLE ISSUE OVERNIGHT COULD BE MVFR HZ/BR...ESPECIALLY AT ANY TERMINAL THAT SEES PRECIPITATION TODAY. HOWEVER...WILL LEAVE IT TO LATER SHIFTS TO FINE TUNE THIS POSSIBILITY. BOXELL && .SGF WATCHES/WARNINGS/ADVISORIES... MO...HEAT ADVISORY FRIDAY AFTERNOON WEST OF AN OSCEOLA TO CASSVILLE LINE. KS...HEAT ADVISORY FRIDAY AFTERNOON FOR EXTREME SOUTHEAST KANSAS. &&
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SPRINGFIELD MO 100 PM CDT THU JUL 29 2010 KSZ073-097-101-MOZ055>058-066>071-077>083-088>098-101>106-301800- BOURBON-CRAWFORD-CHEROKEE-BENTON-MORGAN-MILLER-MARIES-VERNON- ST. CLAIR-HICKORY-CAMDEN-PULASKI-PHELPS-BARTON-CEDAR-POLK-DALLAS- LACLEDE-TEXAS-DENT-JASPER-DADE-GREENE-WEBSTER-WRIGHT-NEWTON- LAWRENCE-CHRISTIAN-DOUGLAS-HOWELL-SHANNON-MCDONALD-BARRY-STONE- TANEY-OZARK-OREGON- 100 PM CDT THU JUL 29 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF THE MISSOURI OZARKS AND EXTREME SOUTHEAST KANSAS. .DAY ONE...THIS AFTERNOON AND TONIGHT. THE HAZARDOUS WEATHER RISK LEVEL IS...ELEVATED. WEATHER HAZARDS EXPECTED... LIMITED LIGHTNING RISK. LIMITED FLOODING RISK. LIMITED RISK OF THUNDERSTORM WIND GUSTS UP TO 60 MPH. ELEVATED EXCESSIVE HEAT RISK. DISCUSSION... A VERY MOIST AND UNSTABLE AIRMASS WILL INTERACT WITH A STALLED FRONT FROM NORTHEAST KANSAS TO SOUTHEAST MISSOURI TO PRODUCE SCATTERED THUNDERSTORMS THIS AFTERNOON AND EVENING. DUE TO WEAK WIND SHEAR IN THE ATMOSPHERE...SEVERE STORMS ARE UNLIKELY. HOWEVER A FEW OF THE STORMS COULD PRODUCE STRONG WIND GUSTS. THE SLOW MOVEMENT OF THE STORMS AND HIGH MOISTURE CONTENT IN THE ATMOSPHERE WILL LEAD TO THE POTENTIAL OF LOCALIZED FLASH FLOODING. AFTERNOON TEMPERATURES WILL REACH THE LOWER TO MIDDLE 90S WITH HEAT INDEX VALUES REACHING THE UPPER 90S TO AROUND 103 DEGREES. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. THUNDERSTORMS WILL AGAIN BE POSSIBLE FRIDAY ESPECIALLY ACROSS CENTRAL AND SOUTH CENTRAL MISSOURI. A FEW STRONG TO SEVERE STORMS WILL BE POSSIBLE. HOT AND HUMID CONDITIONS ARE EXPECTED OVER THE WEEKEND INTO EARLY NEXT WEEK WITH AFTERNOON HEAT INDEX VALUES RANGING FROM 00 TO 107 DEGREES. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED THROUGH TONIGHT. && THIS PRODUCT IS NOW AVAILABLE IN GRAPHICAL FORMAT...ALONG WITH OTHER WEATHER...HYDROLOGICAL AND CLIMATE INFORMATION...AT HTTP://WWW.CRH.NOAA.GOV/SGF(ALL LOWERCASE) FOSTER
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SPRINGFIELD MO 441 PM CDT THU JUL 29 2010 MOZ095-292215- CHRISTIAN MO- 441 PM CDT THU JUL 29 2010 ...SIGNIFICANT WEATHER ALERT FOR EASTERN CHRISTIAN COUNTY UNTIL 515 PM CDT... AT 438 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR CHRISTIAN CENTER...OR 6 MILES EAST OF HIGHLANDVILLE...MOVING EAST AT 5 MPH. PENNY SIZE HAIL...AND WINDS AROUND 50 MPH ARE EXPECTED WITH THIS STORM. CCC/WISE
The Springfield radar (KSGF), 36 km away, was scanning. The volume nearest the first event began at 21:47 UTC.
3 flash flood, 1 thunderstorm wind. Local standard time, as filed.
A roof of a hay barn was damaged and collapsed onto a nearby horse barn along Missouri Highway W south of Ozark.
Heavy rains from thunderstorms briefly flooded the roadway at the intersection of Hi Lonesome Road and Morarity Avenue northwest of Cole Camp.
Heavy rains from thunderstorms briefly flooded the roadway at the intersection of Hi Lonesome Road and Morarity Avenue northwest of Cole Camp.
Heavy rainfall from thunderstorms produced street flooding in Rolla at 10th Street and Forum Drive. One to two feet of water was flowing over the roadway.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Missouri in 2010Every state in 2010This day in weather historyWarnings in Missouri, July 2010
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: 249959, 249951, 249952, 249958.