1 thunderstorm wind, 1 hail, 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 Tulsa, OK wrote its last area forecast discussion before the first event at Aug 11, 2:10 PM CST, 2 hours 20 minutes earlier.
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 310 PM CDT SAT AUG 11 2001 OUTFLOW BOUNDARY HAS SHIFTED A LITTLE S THIS AFTERNOON AND IS NOW SITUATED FROM SRN LE FLORE INTO CNTRL PUSHMATAHA AND CHOCTAW COUNTIES IN SE OK. LOOKING LIKE BEST CHANCES OF SVR MAY BE A LITTLE FARTHER S THAN EARLIER THOUGHT...GENERALLY ALONG AND S OF THE RED RIVER. HAVE SEEN EARLIER CONVECTION OVER NCNTRL OK MOVE INTO NE OK...WITH ADDITIONAL ISOLATED CONVECTION DEVELOPING IN NW AR. PLAN ON CARRYING CHANCE POPS THRU THE EVENING FOR ABOUT THE NRN 1/2 OF THE FORECAST AREA...AND WILL KEEP POPS IN ALL NIGHT FOR THE SRN ZONES. OUTFLOW BOUNDARY WILL BE OUT OF THE PICTURE BY SUNDAY...ALTHO MESOETA/AVN SUGGEST A WEAK SFC BOUNDARY FROM NW AR INTO WCNTRL AR FOR TOMORROW AFTERNOON. WILL LIMIT LOW POPS TO SE OK/WCNTRL AR...WITH DRIER LOW-LEVEL AIR PROGGD TO MOVE INTO NE OK. TEMP GUIDANCE LOOKS REASONABLE...AND DIDNT STRAY TOO FAR. SHUD HAVE COMFORTABLE OVERNIGHT LOWS IN MOST LOCATIONS SUN AND MON NIGHT. AVN MAINTAINS DRY LOW-LEVELS FOR MON THRU WED. NEXT FRONT FORECAST INTO CNTRL KS BY WED AFTERNOON...ABOUT 6-12 HRS FASTER THAN 00Z MRF. WILL KEEP MON THRU WED DRY FOR NOW...WITH POPS IN THE THUR THRU SAT TIMEFRAME. IF MRF IS CORRECT...BEST CHANCES OF PRECIP WILL FALL ON FRI. FCSTID = 18 PRELIM NUMBERS... TUL 72 92 70 92 / 30 10 10 10 FSM 71 94 70 94 / 30 20 20 10 MLC 71 95 69 95 / 30 20 20 10 BVO 68 92 66 92 / 30 10 10 10 FYV 66 90 65 90 / 30 10 10 10 BYV 66 90 65 90 / 30 10 10 10 MIO 68 91 66 91 / 30 10 10 10 MKO 72 92 70 92 / 30 10 10 10 F10 72 92 70 92 / 30 10 10 10 HHW 72 96 70 96 / 40 30 20 10 .TSA... AR...NONE. OK...NONE.
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1133 AM CDT SAT AUG 11 2001
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0306 PM BALD HILL OK WIND DAMAGE
08/10/01 OKMULGEE CONCESSION TRAILER
BLOWN OVER RPTD BY
PUBLIC.
0310 PM 3 W JAMESVILLE OK WIND DAMAGE
08/10/01 MUSKOGEE ROOF DAMAGE AND LARGE
TREE LIMBS DOWN RPTD BY
PUBLIC.
0332 PM TAFT OK WIND DAMAGE
08/10/01 MUSKOGEE LARGE TREE BLOWN DOWN
RPTD BY CO S.O.
0741 PM 2 S CLAYTON OK WIND DAMAGE
08/10/01 PUSHMATAHA POWER POLES BLOWN DOWN
RPTD BY COUNTY S.O.
TLARZ001-002-010-011-019-020-029-OKZ049-053>076-121100- EASTERN OKLAHOMA/NORTHWEST ARKANSAS HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TULSA OK 100 PM CDT SAT AUG 11 2001 ...ISOLATED SEVERE THUNDERSTORMS POSSIBLE THIS AFTERNOON AND EARLY THIS EVENING ACROSS SOUTHEAST OKLAHOMA AND WEST CENTRAL ARKANSAS... EARLY THIS AFTERNOON AN OUTFLOW BOUNDARY EXTENDED ACROSS SOUTHERN OKLAHOMA...JUST NORTH OF THE RED RIVER VALLEY INTO LE FLORE COUNTY AND SOUTHWEST ARKANSAS. THIS AREA HAS REMAINED MOSTLY SUNNY THROUGH THE MORNING HOURS AND THE AIRMASS HAS BECOME UNSTABLE. SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED TO FORM ALONG THE BOUNDARY. ISOLATED SEVERE STORMS REMAIN POSSIBLE...MAINLY AFTER 3 PM UNTIL AROUND SUNSET. THE BEST CHANCE FOR ANY SEVERE THUNDERSTORMS WILL BE NEAR THE OUTFLOW BOUNDARY...OR GENERALLY SOUTH OF A LINE FROM MCALESTER TO FORT SMITH. ONGOING SHOWERS AND THUNDERSTORMS ACROSS NORTH CENTRAL OKLAHOMA WILL AFFECT PORTIONS OF NORTHEAST OKLAHOMA THIS AFTERNOON...BUT THESE STORMS SHOULD REMAIN BELOW SEVERE LIMITS. ISOLATED SHOWERS WERE ALSO DEVELOPING ACROSS NORTHEAST OKLAHOMA...AHEAD OF THE MAIN AREA OF CONVECTION TO THE WEST. .SPOTTER ACTIVATION... ORGANIZED SEVERE WEATHER IS STILL NOT EXPECTED TODAY. HOWEVER...SPOTTER ACTIVATION MAY BE NEEDED IN A FEW AREAS OF SOUTHEAST OKLAHOMA OR WEST CENTRAL ARKANSAS THIS AFTERNOON OR EVENING. SPOTTERS SHOULD MONITOR THE LATEST WEATHER CONDITIONS AND BE READY FOR ACTION IF WARNINGS ARE ISSUED. .DISCUSSION... THE AIRMASS IN THE THREAT AREA HAS BECOME UNSTABLE...WITH ESTIMATED LIFTED INDEX VALUES BETWEEN -4 AND -6C...AND SURFACE BASED CAPES OF AROUND 3000 J/KG. IN ADDITION...THERE IS THE OUTFLOW BOUNDARY IN THE AREA TO HELP FOCUS CONVECTION. UPPER LEVEL WIND FIELDS ARE WEAK...AND THIS WILL INHIBIT WIDESPREAD SEVERE THUNDERSTORM DEVELOPMENT...AND ANY SEVERE STORMS WHICH DO DEVELOP MAY BE SHORT LIVED. HOWEVER...THE MAIN THREAT FROM ANY SEVERE STORMS IS DAMAGING DOWNBURST WINDS. LARGE HAIL IS A SECONDARY THREAT...BUT FREEZING LEVELS ARE RELATIVELY HIGH...SO LARGE HAIL SHOULD BE ISOLATED. ELSEWHERE IN NORTHEAST OKLAHOMA AND NORTHWEST ARKANSAS...WIDELY SCATTERED AFTERNOON THUNDERSTORMS WILL DEVELOP THIS AFTERNOON. MOST AREAS NORTH OF THE OUTFLOW BOUNDARY HAVE HAD EXTENSIVE CLOUD COVER THIS MORNING...AND HAVE NOT BECOME AS UNSTABLE AS IN THE SOUTHEAST. THREAT TABLE VALID THROUGH 1100 UTC SUN AUG 12 THREAT AREA 1...SOUTH OF A LINE FROM MCALESTER TO OZARK THUNDERSTORM PROBABILITY...90 SEVERE WEATHER PROBABILITY IF STORMS OCCUR...25 SIGNIFICANT SEVERE WEATHER PROBABILITY IF STORMS OCCUR...15 THREAT AREAS DEFINE THE GREATEST RISK. PROBABILITIES ARE IN PERCENT. SIGNIFICANT SEVERE IS DEFINED AS F1 OR GREATER WIND/TORNADO DAMAGE AND/OR GOLF BALL OR LARGER SIZE HAIL. .OTHER HAZARDS... EXCESSIVE RAINS WILL BE POSSIBLE IN AREAS NEAR SLOW-MOVING THUNDERSTORMS. DETAILED FORECASTS AS WELL AS A GRAPHICAL VERSION OF THIS OUTLOOK CAN BE FOUND AT: WWW.SRH.NOAA.GOV/TULSA SJT
The Western Arkansas radar (KSRX), 109 km away, was scanning. The volume nearest the first event began at 22:28 UTC.
1 thunderstorm wind, 1 hail. Local standard time, as filed.
Wind damage resulted from a thunderstorm at the Northwest Arkansas Regional Airport. A bridge which stretched from the airport terminal to a jet was damaged when it was blown into an adjacent bridge. A few roof tiles were blown off of the terminal when the bridge was dislodged.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Arkansas in 2001Every state in 2001This day in weather historyWarnings in Arkansas, August 2001
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: 5264883, 5264882.