A hot and humid air mass continued over Oklahoma during the afternoon. Lift associated with a mid-level disturbance traveling east from New Mexico contributed to thunderstorm development during the mid afternoon hours.
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 episode as NWS OUN wrote it up.
A hot and humid air mass continued over Oklahoma during the afternoon. Lift associated with a mid-level disturbance traveling east from New Mexico contributed to thunderstorm development during the mid afternoon hours. As was the case for several days, most of the thunderstorms were more pulse-like, causing them to form, strengthen, and collapse over a short amount of time. However, the downburst associated with the collapsing storm produced winds exceeding 60 mph over some locations, along with extremely heavy rainfall. The strong winds caused some damage to trees, power lines/poles, and some structures.
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 Norman, OK wrote its last area forecast discussion before the first event at Aug 31, 1:26 PM CST, 49 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NORMAN OK 226 PM CDT TUE AUG 31 2010 .DISCUSSION... SCATTERED SHOWERS/STORMS WILL CONT ACROSS PARTS OF THE FA THIS AFTN/EVENING DUE TO HEATING AND A WEAK DISTURBANCE MOVING ACROSS THE REGION. ACTIVITY WILL DECREASE/END THIS EVENING. WITH WEAKLY CAPPED AND MOIST AIRMASS IN PLACE AND DISTURBANCES MOVING THROUGH FLOW... SCATTERED SHOWERS/STORMS WILL BE POSSIBLE AGAIN WEDNESDAY ACROSS PARTS OF THE FA. THE HOT AND HUMID CONDITIONS WILL LEAD TO HEAT INDEX VALUES MAINLY FROM 100 TO 105 SO WILL HOLD OFF ON HEAT ADVISORY FOR WED BUT ANY SLIGHT CHANGE IN FORECASTED TEMPS COULD LEAD TO A HEAT ADVISORY. A COLD FRONT WILL MOVE INTO NW OK AROUND MID-DAY THURSDAY AND CONT TO PUSH SOUTH ACROSS THE REGION THURSDAY AFTERNOON AND NIGHT. SHOWERS AND THUNDERSTORMS WILL LIKELY DEVELOP ALONG AND BEHIND THE FRONT THURSDAY INTO EARLY FRIDAY MORNING... WITH RAIN CHANCES SHIFTING SOUTH OF THE FA SOMETIME FRIDAY MORNING. THE COLD FRONT WILL BRINGING A COOLER AND DRIER AIRMASS TO THE REGION... WITH TEMPERATURES MAINLY IN THE 80S FRIDAY AND SATURDAY. TEMPERATURES WILL GRADUALLY BEGIN TO WARM SUNDAY INTO EARLY NEXT WEEK. MODELS SHOW ANOTHER FRONT MAYBE MOVING INTO NORTHERN PARTS OF THE FA TOWARDS THE MIDDLE OF NEXT WEEK. && .PRELIMINARY POINT TEMPS/POPS... OKLAHOMA CITY OK 75 95 75 95 / 30 40 30 30 HOBART OK 72 98 73 99 / 30 20 20 30 WICHITA FALLS TX 76 99 76 99 / 30 20 20 20 GAGE OK 68 96 70 91 / 20 20 20 30 PONCA CITY OK 76 93 74 90 / 30 50 30 50 DURANT OK 75 93 75 94 / 20 40 20 20 && .OUN WATCHES/WARNINGS/ADVISORIES... OK...NONE. TX...NONE. && 11/25
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NORMAN OK
1141 AM CDT TUE AUG 31 2010
OKZ004>048-050>052-TXZ083>090-011200-
HARPER-WOODS-ALFALFA-GRANT-KAY-ELLIS-WOODWARD-MAJOR-GARFIELD-NOBLE-
ROGER MILLS-DEWEY-CUSTER-BLAINE-KINGFISHER-LOGAN-PAYNE-BECKHAM-
WASHITA-CADDO-CANADIAN-OKLAHOMA-LINCOLN-GRADY-MCCLAIN-CLEVELAND-
POTTAWATOMIE-SEMINOLE-HUGHES-HARMON-GREER-KIOWA-JACKSON-TILLMAN-
COMANCHE-STEPHENS-GARVIN-MURRAY-PONTOTOC-COAL-COTTON-JEFFERSON-
CARTER-JOHNSTON-ATOKA-LOVE-MARSHALL-BRYAN-HARDEMAN-FOARD-WILBARGER-
WICHITA-KNOX-BAYLOR-ARCHER-CLAY-
1141 AM CDT TUE AUG 31 2010
THIS HAZARDOUS WEATHER OUTLOOK COVERS NORTHERN...WESTERN...
CENTRAL...AND SOUTHERN OKLAHOMA...AND WESTERN NORTH TEXAS.
.DAY ONE...TODAY AND TONIGHT...
THUNDERSTORM OUTLOOK...
SCATTERED THUNDERSTORMS ARE EXPECTED...BUT THE CHANCE FOR ORGANIZED
SEVERE STORMS WILL REMAIN LOW.
DISCUSSION...
PLENTIFUL LOW-LEVEL MOISTURE AND AN APPROACHING WEAK DISTURBANCE
WILL ALLOW THE DEVELOPMENT OF SCATTERED THUNDERSTORMS. MOST OF THE
STORMS ARE EXPECTED TO BE CONFINED TO FAR WESTERN OKLAHOMA AND
ADJACENT PORTIONS OF NORTH TEXAS...AND ALSO OVER SOUTHEAST OKLAHOMA.
IN BETWEEN...ANY THUNDERSTORM ACTIVITY WILL BE ISOLATED. HEAVY RAIN
AND 40 MPH WIND GUSTS MAY ACCOMPANY ANY THUNDERSTORM...BUT SEVERE
WEATHER CHANCES ARE LOW.
PROBABILITY TABLE...
VALID THROUGH 700 AM CDT WEDNESDAY SEP 1.
PROBABILITY OF THUNDERSTORMS OCCURRING IN THE
NWS NORMAN COUNTY WARNING AREA...100 PERCENT.
PROBABILITY OF SEVERE STORMS IF STORMS OCCUR...15 PERCENT.
OTHER HAZARDOUS WEATHER...
HIGH HUMIDITY AND HOT TEMPERATURES WILL CAUSE THE HEAT INDEX TO
INCREASE TO AROUND 100 THIS AFTERNOON. A HEAT ADVISORY IS NOT
ANTICIPATED...CAUTION SHOULD STILL BE USED IF YOU ARE GOING TO BE
OUTDOORS FOR ANY LENGTH OF TIME.
.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY...
THUNDERSTORM OUTLOOK...
SCATTERED THUNDERSTORMS WILL BE POSSIBLE UNTIL FRIDAY. THE GREATEST
CHANCE WILL COME LATE THURSDAY AND EARLY FRIDAY AS A STRONG COLD
FRONT PUSHES THROUGH THE REGION.
OTHER HAZARDOUS WEATHER...
THE HOT AND HUMID CONDITIONS WILL CONTINUE ON WEDNESDAY...BEFORE A
STRONG COLD FRONT MOVES THROUGH ON THURSDAY.
THE NEXT SCHEDULED HAZARDOUS WEATHER OUTLOOK WILL BE ISSUED AT 5 AM
WEDNESDAY MORNING.SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORMAN OK 226 PM CDT TUE AUG 31 2010 OKZ018-019-024-025-311945- LOGAN OK-KINGFISHER OK-CANADIAN OK-OKLAHOMA OK- 226 PM CDT TUE AUG 31 2010 ...SIGNIFICANT WEATHER ADVISORY... THIS SIGNIFICANT WEATHER ADVISORY IS FOR CANADIAN...KINGFISHER... LOGAN AND OKLAHOMA COUNTIES. AT 226 PM CDT...A STRONG THUNDERSTORM WAS LOCATED OVER NORTHWESTERN OKLAHOMA CITY...JUST SOUTHEAST OF PIEDMONT...MOVING NORTH AT 25 MPH. HAZARDS INCLUDE... WIND GUSTS TO 50 MPH... MONITOR THE WEATHER SITUATION CLOSELY AND BE ALERT FOR THREATENING WEATHER CONDITIONS. LAT...LON 3587 9771 3579 9747 3552 9764 3557 9782
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORMAN OK 251 PM CDT TUE AUG 31 2010 TXZ088-312015- BAYLOR TX- 251 PM CDT TUE AUG 31 2010 ...SIGNIFICANT WEATHER ADVISORY... THIS SIGNIFICANT WEATHER ADVISORY IS FOR BAYLOR COUNTY. AT 252 PM CDT...A STRONG THUNDERSTORM WAS LOCATED 5 MILES SOUTHEAST OF SEYMOUR...MOVING NORTH AT 15 MPH. HAZARDS INCLUDE... WIND GUSTS TO 50 MPH... FREQUENT CLOUD TO GROUND LIGHTNING... MONITOR THE WEATHER SITUATION CLOSELY AND BE ALERT FOR THREATENING WEATHER CONDITIONS. LAT...LON 3377 9926 3372 9901 3345 9911 3349 9932
The Altus AFB radar (KFDR), 93 km away, was scanning. The volume nearest the first event began at 20:15 UTC.
4 thunderstorm wind. Local standard time, as filed.
Strong winds knocked down several power poles and associated power lines. Cyril High School lost a portion of its roof. No injuries were reported. Monetary damage estimates were not available.
Several 4-inch diameter tree limbs were downed near SW 25 Street and May Avenue. Monetary damages were estimated.
Large power poles were downed near Garland Road and Highway 412. Monetary damages were estimated.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Oklahoma in 2010Every state in 2010This day in weather historyWarnings in Oklahoma, August 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: 255309, 255322, 255323, 255324.