2 thunderstorm wind, 1 hail, 1 flash flood, as filed by the National Weather Service.
Every event with a place to put it; 1 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 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 Sep 16, 2:30 PM CST, 4 hours 45 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NORMAN OK 330 PM CDT SUN SEP 16 2001 MOIST AND WKLY CAPPED AMS REMAINS OVER THE AREA AGAIN THIS AFTN. RESIDUAL PRECIP FROM OVERNIGHT CONVECTIVE COMPLEX AND XTNSV CLD COVER HAVE HELD TMPS DOWN OVER MUCH OF THE FA. HOWEVER...A FEW TSTMS ARE BEGINNING TO POP OVER SW OK AND WRN N TX WHERE CLDS HAVE THINNED AND TMPS HAVE RISEN INTO THE UPPER 80S. ONE MINOR WAVE NOW MOVING THROUGH OK WITH ANOTHER APCHG FROM NM. WITH THESE FEATURES MOVING THROUGH ALONG WITH WK WAA EXPECTED OVERNIGHT WILL CONT WITH POPS ACRS THE FA. BETTER CHANCES MAY AGAIN BE IN THE NW OVERNIGHT AS ACTIVITY DVLPG OVER ERN CO WILL MAKE A RUN AT THAT AREA. REGIME CHANGES LITTLE ON MONDAY AND WILL CONT CHC CAT POPS. PRECIP CHCS EXPECTED TO INCREASE MONDAY NIGHT...ESP N AS LOW LVL JET CRANKS UP IN ADVANCE OF OR MORE SIG WAVE MOVING THROUGH THE ROCKIES. SFC BNDRY SETTLING SWD OVER KS AND INCRSG LLJ ALG WITH FAVORABLE UPR JET DYNAMICS POINT TO INCRSD CHCS ACRS NRN TIER OF ZONES MONDAY NIGHT. FNT EXPECTED TO PUSH SWD INTO THE FA TUESDAY AND TUESDAY NIGHT AS UPR WAVE MOVES SEWD OUT OF THE ROCKIES. WILL SPREAD HIGHER POPS ACRS THE REMAINDER OF THE FA FOR THIS SCENARIO. EXPECT PRECIP TO END IN THE SE BY ERLY WEDNESDAY WITH DRIER AND SLIGHTLY COOLER SPREADING OVER THE AREA. DRY WX EXPECTED THROUGH THE END OF THE WEEK. ANOTHER SYS APCHS BY THE WEEKEND AND WILL CONT WITH POPS BOTH SAT AND SUN. FCSTID = 2 OKC 67 83 66 83 / 40 30 40 60 HBR 66 84 66 84 / 40 30 40 50 SPS 68 89 68 90 / 40 30 40 50 GAG 64 82 62 80 / 40 40 60 50 PNC 67 82 64 83 / 40 40 60 70 DUA 69 85 69 86 / 30 30 40 50 .OUN... OK...NONE. TX...NONE.
The Norman radar (KTLX), 9 km away, was scanning. The volume nearest the first event began at 01:17 UTC.
2 thunderstorm wind, 1 hail, 1 flash flood. Local standard time, as filed.
Several large trees were uprooted, and one tree fell on a carport with two vehicles under it. Minor roof damage also occurred.
Two mobile homes were destroyed, while minor damage, consisting mostly of broken or blown off roof shingles, occurred to four permanent dwellings. Minor damage was also sustained to four other mobile homes. A 3-year old boy, residing in one of the mobile homes that was destroyed, sustained serious injuries.
Water from torrential rain, rushed into a permanent dwelling to an approximate depth of five inches, causing significant damage to the foundation and interior.
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, September 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: 5263344, 5263345, 5263346, 5263347.