2 thunderstorm wind, 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 9, 2:20 PM CST, 1 hour 10 minutes earlier.
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 320 PM CDT THU AUG 9 2001 AREA 88D RADARS SHOWING ISOLATED CONVECTION AGAIN TODAY. WILL NEED TO CONTINUE THIS INTO THE EVENING IN SOME AREAS. TEMPERATURES HAVE WARMED NICELY AGAIN TODAY AS CU FIELD HAS REMAINED SMALLER THAN YESTERDAY. OVERNIGHT LOWS TONIGHT WILL BE SOMEWHAT OF A CHALLENGE GIVEN POSITION OF FRONT TO OUR NORTH. IF IT MAKES IT DOWN HERE LATE TONIGHT...WE COULD SEE A LATE RALLY ON TEMPS DROPPING OFF ACROSS THE NORTH. IF THE FRONT HANGS UP NORTH A LITTLE LONGER...LOWS COULD BE FAIRLY WARM AGAIN TONIGHT. LOW CLOUDS SHOULD ACCOMPANY THE FRONT WHEN IT MAKES ITS APPEARANCE IN OKLAHOMA ON FRIDAY. AREAL EXTENT OF PRECIPITATION STILL REMAINS IN QUESTION AS SURFACE FRONT MOVES INTO RIDGE. WILL CONTINUE WITH AT LEAST CURRENT POP FORECAST ACROSS THE AREA BUT MAY ADJUST WITHIN THE CHANCE CATEGORY SOME. EXTENDED STILL ON TRACK WITH PRECIP CHANCES INTO SUNDAY AS HIGH BUILDS BACK OVER THE AREA. MRF SHOWING RIDGE SHIFTING BACK TO THE WEST DURING THE WEEK WHICH MAY EVENTUALLY PUT THE CWA IN NORTHWEST FLOW. WILL NEED TO MONITOR THIS PATTERN FOR POSSIBLE INCLUSION OF PRECIPITATION ON THURSDAY. OTHERWISE...NO BIG CHANGES PLANNED FOR EXTENDED AT THIS TIME. HOWIESON FCSTID = 44 ...PRELIMINARY NUMBERS... TUL 77 92 68 90 / 20 30 30 20 FSM 77 93 68 91 / 20 30 30 20 MLC 78 96 70 92 / 20 30 30 30 BVO 74 88 66 89 / 30 30 30 20 FYV 73 88 66 87 / 20 40 30 20 BYV 73 88 66 87 / 20 40 30 20 MIO 74 87 66 88 / 30 40 30 20 MKO 77 92 68 90 / 20 30 30 20 F10 77 92 68 90 / 20 30 30 20 HHW 77 97 71 93 / 10 20 30 30 .TSA... AR...NONE. OK...NONE.
The Tulsa radar (KINX), 69 km away, was scanning. The volume nearest the first event began at 21:28 UTC.
2 thunderstorm wind. Local standard time, as filed.
Thunderstorm winds estimated at 70 miles per hour damaged a barn and blew down power poles. Some windows were blown out of the Pizza Hut.
Thunderstorm winds estimated at 60 miles an hour blew a trailer house elevated for transport over and also blew down several large tree limbs.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Oklahoma in 2001Every state in 2001This day in weather historyWarnings in Oklahoma, 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: 5264771, 5264770.