Oklahoma, 2001

Tornado and Hail in Oklahoma, April 11, 2001

April 11, 2001 · NWS TSA · 33 events in 17 counties and zones

30 thunderstorm wind, 2 hail, 1 tornado, as filed by the National Weather Service.

Where it happened

Every event with a place to put it. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
$404,000
Crop damage
None recorded
Events
33

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.

What forecasters said that day

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 Apr 11, 2:55 AM CST, 1 hour 30 minutes earlier.

Area forecast discussion, Apr 11, 2:55 AM CST, 1 hour 30 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
355 AM CDT WED APR 11 2001

RUNNING A BIT BEHIND THIS MORNING...

LARGE RAIN SHIELD WITH EMBEDDED SEVERE THUNDERSTORMS IS CURRENTLY
MOVING THROUGH ERN OK...WITH ADDITIONAL ACTIVITY FARTHER W ALONG
DRYLINE.  VAD WIND PROFILES SHOWING MARGINAL DIRECTION SHEAR...ALTHO
SPEED SHEAR IS IMPRESSIVE.  CHANCE OF SEVERE STORMS WILL CONTINUE
INTO THE MORNING...WITH ACTIVITY EXITING ERN EXTENT OF FORECAST AREA
14-16Z.  WILL USE RADAR FOR FINAL 1ST PERIOD POPS.

INTENSE 982MB SFC CYCLONE WILL LIFT INTO NE TODAY...WITH PRESSURE
GRADIENT TIGHTENING ACROSS THE AREA.  DEEP LAYERED MIXING WILL HELP
BRING DOWN GUSTY SWLY WINDS TO THE SFC...AND WILL GO WITH A WIND
ADVISORY FOR ALL ZONES TODAY.

MUCH DRIER LOW-LEVEL AIR WILL FILTER EWD LATER TODAY AND TONIGHT.
WINDS WILL SLACK OFF TONIGHT...SO THE STRING OF 5 RECORD HIGH LOWS
WILL END AT TULSA WITH MORE SEASONABLE TEMPS ON TAP.

REMAINDER OF WEEK LOOKS SEASONABLE AND DRY.

ZONAL FLOW WILL PERSIST THROUGH THE WEEKEND...WITH SEVERAL
FAST-MOVING/IMPOSSIBLE-TO-TIME WAVES PASSING ACROSS THE FORECAST
AREA.  AVN WANTS TO BRING LOW-LEVEL MOISTURE BACK ON SAT AHEAD OF
STRENGTHENING SFC LOW OVER WRN TX.  WILL KEEP LOW CHANCE POPS IN FOR
SAT AND SUN.

FCSTID = 18

PRELIM NUMBERS...
TUL   74  49  77  53 /  50   0   0  10
FSM   78  50  82  55 /  70   0   0  10
MLC   76  49  81  57 /  50   0   0  10
BVO   74  48  77  52 /  50   0   0  10
FYV   74  47  76  52 /  70   0   0  10
BYV   74  47  76  52 /  70   0   0  10
MIO   74  47  76  52 /  70   0   0  10
MKO   74  49  77  53 /  50   0   0  10
F10   74  49  77  53 /  50   0   0  10
HHW   76  51  81  58 /  60   0   0  10

.TSA...
AR...WIND ADVISORY FOR WEDNESDAY FOR ZONES ARZ001>002...ARZ010>011...
ARZ019>020...ARZ029.

OK...TORNADO WATCH UNTIL 800 AM CDT FOR ZONES
OKZ054>057...OKZ059>062...OKZ064>067...OKZ070>071...OKZ073.

WIND ADVISORY FOR WEDNESDAY FOR ZONES OKZ049...OKZ053>076.

The radar

The Norman radar (KTLX), 81 km away, was scanning. The volume nearest the first event began at 10:23 UTC.

Open the radar archive at this moment

Event by event

30 thunderstorm wind, 2 hail, 1 tornado. Local standard time, as filed.

Thunderstorm Wind, Okfuskee

When
April 11, 4:25 AM CST
Where
Okfuskee County, 1 mi S of Bearden
Property damage
$100
Reported by
EMERGENCY MANAGER
Coordinates
35.333, -96.383

Thunderstorm winds blew down large tree limbs near the Beardon school.

Hail, Okfuskee

When
April 11, 4:30 AM CST
Where
Okfuskee County, Bearden
Measured
0.75 in hail
Reported by
TRAINED SPOTTER
Coordinates
35.350, -96.383

Thunderstorm Wind, Okmulgee

When
April 11, 4:40 AM CST
Where
Okmulgee County, Henryetta
Property damage
$100
Reported by
GENERAL PUBLIC
Coordinates
35.450, -95.983

Thunderstorm wind blew down large tree limbs.

Thunderstorm Wind, Pittsburg

When
April 11, 5:15 AM CST
Where
Pittsburg County, 1 mi SE of Canadian
Measured
52 kt (60 mph)
Reported by
PARK/FOREST SERVICE
Coordinates
35.150, -95.633

Thunderstorm Wind, Latimer

When
April 11, 5:30 AM CST
Where
Latimer County, Gowen
Property damage
$1,000
Reported by
EMERGENCY MANAGER
Coordinates
34.867, -95.467

Thunderstorm winds damaged a barn.

Thunderstorm Wind, Choctaw

When
April 11, 5:30 AM CST
Where
Choctaw County, Soper
Property damage
$10,000
Reported by
LAW ENFORCEMENT
Coordinates
34.033, -95.700

Thunderstorm winds blew the roofs off of two barns.

Thunderstorm Wind, Pushmataha

When
April 11, 5:42 AM CST
Where
Pushmataha County, 9 mi W of Antlers
Measured
52 kt (60 mph)
Reported by
LAW ENFORCEMENT
Coordinates
34.233, -95.767

Thunderstorm Wind, Choctaw

When
April 11, 5:45 AM CST
Where
Choctaw County, Grant
Property damage
$1,000
Reported by
LAW ENFORCEMENT
Coordinates
33.933, -95.517

Thunderstorm winds damaged a trailer.

Thunderstorm Wind, McIntosh

When
April 11, 5:58 AM CST
Where
McIntosh County, Checotah
Property damage
$90,000
Reported by
EMERGENCY MANAGER
Coordinates
35.433, -95.517

Thunderstorm winds destroyed three mobile homes.

Hail, Latimer

When
April 11, 6:00 AM CST
Where
Latimer County, Yanush
Measured
0.75 in hail
Reported by
EMERGENCY MANAGER
Coordinates
34.700, -95.317

Thunderstorm Wind, Muskogee

When
April 11, 6:00 AM CST
Where
Muskogee County, 7 mi W of Muskogee
Property damage
$20,000
Reported by
EMERGENCY MANAGER
Coordinates
35.750, -95.483

Thunderstorm winds blew the roofs off of several buildings.

Thunderstorm Wind, Haskell

When
April 11, 6:15 AM CST
Where
Haskell County, Stigler
Property damage
$20,000
Reported by
EMERGENCY MANAGER
Coordinates
35.250, -95.133

Thunderstorm winds damaged three houses.

Thunderstorm Wind, Mayes

When
April 11, 6:25 AM CST
Where
Mayes County, Salina
Property damage
$3,000
Reported by
EMERGENCY MANAGER
Coordinates
36.300, -95.150

Thunderstorm winds blew down trees and power lines.

Thunderstorm Wind, Wagoner

When
April 11, 6:25 AM CST
Where
Wagoner County, Wagoner
Property damage
$3,000
Reported by
EMERGENCY MANAGER
Coordinates
35.850, -95.383

Thunderstorm winds blew down trees and numerous power lines.

Thunderstorm Wind, Mayes

When
April 11, 6:25 AM CST
Where
Mayes County, Locust Grove
Property damage
$3,000
Reported by
EMERGENCY MANAGER
Coordinates
36.200, -95.167

Thunderstorm winds blew down trees and power lines.

Thunderstorm Wind, Mayes

When
April 11, 6:25 AM CST
Where
Mayes County, Adair
Property damage
$3,000
Reported by
EMERGENCY MANAGER
Coordinates
36.433, -95.267

Thunderstorm winds blew down trees and power lines.

Tornado, Haskell

When
April 11, 6:26 AM CST to 6:31 AM CST
Where
Haskell County, 4 mi N of Stigler
Rating
F1
Path length
3 mi
Path width
400 yd
Property damage
$100,000
Reported by
NWS STORM SURVEY
Coordinates
35.300, -95.133

A F1 tornado touched down 4 miles north of Stigler and traveled 3 miles before it lifted 5 miles southwest of Tamaha. A roof of a house and a porch were tore off and six barns were destroyed. In addition numerous trees were damaged and several power lines were blown down. Winds associated with the parent storm of this tornado gusted to 91 miles an hour at the mesonet site 3 miles northwest of Stigler.

Thunderstorm Wind, Muskogee

When
April 11, 6:30 AM CST
Where
Muskogee County, Webbers Falls
Measured
52 kt (60 mph)
Reported by
TRAINED SPOTTER
Coordinates
35.517, -95.133

Thunderstorm Wind, Sequoyah

When
April 11, 6:35 AM CST
Where
Sequoyah County, Gore
Measured
52 kt (60 mph)
Reported by
TRAINED SPOTTER
Coordinates
35.533, -95.117

Thunderstorm Wind, Sequoyah

When
April 11, 6:41 AM CST to 6:44 AM CST
Where
Sequoyah County, 2 mi W of Vian
Property damage
$10,000
Reported by
NWS STORM SURVEY
Coordinates
35.500, -95.000

Thunderstorm winds blew the roof off a barn and downed several trees and power lines from west of Vian to near Box.

Thunderstorm Wind, Mayes

When
April 11, 6:50 AM CST
Where
Mayes County, 2 mi S of Chouteau
Property damage
$15,000
Reported by
EMERGENCY MANAGER
Coordinates
36.150, -95.350

Thunderstorm winds destroyed a barn and uprooted around ten trees.

Thunderstorm Wind, Mayes

When
April 11, 6:55 AM CST
Where
Mayes County, Locust Grove
Property damage
$5,000
Reported by
EMERGENCY MANAGER
Coordinates
36.200, -95.167

Thunderstorm winds blew a boat dock loose and also downed numerous trees and power lines.

Thunderstorm Wind, Le Flore

When
April 11, 7:07 AM CST
Where
Le Flore County, Poteau
Measured
50 kt (58 mph)
Reported by
TRAINED SPOTTER
Coordinates
35.050, -94.617

Thunderstorm Wind, Craig

When
April 11, 7:15 AM CST
Where
Craig County, 8 mi SE of Vinita
Measured
61 kt (70 mph)
Reported by
TRAINED SPOTTER
Coordinates
36.567, -95.050

A spotter reported 70 mile an hour winds in Ketchum.

Thunderstorm Wind, Craig

When
April 11, 7:15 AM CST
Where
Craig County, 4 mi SE of Vinita
Property damage
$5,000
Reported by
TRAINED SPOTTER
Coordinates
36.617, -95.100

Thunderstorm winds blew the roof off a barn.

Thunderstorm Wind, Craig

When
April 11, 7:15 AM CST
Where
Craig County, 5 mi NE of Vinita
Property damage
$5,000
Reported by
LAW ENFORCEMENT
Coordinates
36.700, -95.083

Thunderstorm winds overturned a semi on the Will Rogers turnpike.

Thunderstorm Wind, Delaware

When
April 11, 7:15 AM CST
Where
Delaware County, Bernice
Measured
57 kt (66 mph)
Property damage
$100
Reported by
TRAINED SPOTTER
Coordinates
36.617, -94.917

A spotter reported 65 mile an hour winds. These winds blew down trees.

Thunderstorm Wind, Le Flore

When
April 11, 7:15 AM CST
Where
Le Flore County, Pocola
Measured
52 kt (60 mph)
Reported by
TRAINED SPOTTER
Coordinates
35.233, -94.483

Thunderstorm Wind, Le Flore

When
April 11, 7:15 AM CST
Where
Le Flore County, Cameron
Measured
52 kt (60 mph)
Reported by
TRAINED SPOTTER
Coordinates
35.133, -94.550

Thunderstorm Wind, Ottawa

When
April 11, 7:30 AM CST
Where
Ottawa County, 3 mi W of Miami
Measured
61 kt (70 mph)
Reported by
TRAINED SPOTTER
Coordinates
36.883, -94.933

Thunderstorm Wind, Adair

When
April 11, 7:30 AM CST
Where
Adair County, 2 mi NNW of Watts
Property damage
$100,000
Reported by
EMERGENCY MANAGER
Coordinates
36.150, -94.583

Very strong thunderstorm winds associated with a downburst damaged seven dwellings including 4 mobile homes and three wood framed houses. Another house was damaged as a large tree fell on it. Two barns were competely destroyed and a small shed was overturned. Numerous other trees and power lines were blown down as well.

Thunderstorm Wind, Adair

When
April 11, 7:30 AM CST
Where
Adair County, Westville
Property damage
$10,000
Reported by
NEWSPAPER
Coordinates
35.983, -94.567

Thundestorm winds blew a tree onto a house causing damage to the roof.

Thunderstorm Wind, Le Flore

When
April 11, 7:50 AM CST
Where
Le Flore County, Spiro
Property damage
$100
Reported by
AMATEUR RADIO
Coordinates
35.233, -94.633

Thunderstorm winds blew down a large tree.

What these are

Thunderstorm Wind
Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.
Hail
Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
Tornado
A violently rotating column of air in contact with the ground and extending from a thunderstorm, filed with its path, width and Fujita or Enhanced Fujita rating from the damage survey.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Oklahoma in 2001Every state in 2001This day in weather historyThe tornado archive for Oklahoma, 2001Warnings in Oklahoma, April 2001

Sources

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: 5241074, 5241073, 5241075, 5241076, 5241077, 5241078, 5241080, 5241079, 5241081, 5241082, 5241083, 5241084, 5241085, 5241086, 5241170, 5241171, 5241185, 5241172, 5241173, 5241186, 5241174, 5241176, 5241175, 5241177, 5241178, 5241179, 5241180, 5241181, 5241182, 5241183, 5241187, 5241188, 5241184.