Tornado and Hail in Oklahoma, July 11 to 12, 2020

Name: Tornado and Hail in Oklahoma, July 11 to 12, 2020
Start: 2020-07-11T17:42
End: 2020-07-12T02:30
Location: Oklahoma

July 11 to 12, 2020 · NWS OUN · 61 events in 19 counties and zones

An outflow boundary was the focus for thunderstorm development during the evening of the 11th. Several supercells produced large hail before merging into a cluster of storms that led to several significant severe wind reports that lasted into the early morning of the 12th.

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: $8.0 million
Crop damage: None recorded
Events: 61

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 happened

The episode as NWS OUN wrote it up.

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 Norman, OK wrote its last area forecast discussion before the first event at Jul 11, 3:19 PM CST, 2 hours 23 minutes earlier.

Area forecast discussion, Jul 11, 3:19 PM CST, 2 hours 23 minutes before

Area Forecast Discussion
National Weather Service Norman OK
419 PM CDT Sat Jul 11 2020

...New SHORT TERM, LONG TERM...

.SHORT TERM...
(This evening through Sunday)
Issued at 417 PM CDT Sat Jul 11 2020

As of 4PM, maximum temperatures at/near 107 deg F were observed
over western Oklahoma with widespread heat indices of 110 to 115
deg F. Per mesonet observations, the highest HI so far was 119 deg
F near the Red River, in Jefferson County. With temperatures
exceeding 100 deg F temperatures over western north Texas
tomorrow, a Heat Advisory has been issued for our TX counties
through 9PM tomorrow.

There is an Enhanced Risk of severe thunderstorms across north-
central Oklahoma this evening and tonight, extending as far south
as Kingfisher to Stillwater. Severe thunderstorms with large hail
up to 2 inches in diameter and damaging wind gusts of 60 to 80
mph are possible with storms in this area. Latest CAM runs
suggest a slightly later time frame for storm initiation over
north/northwest OK, with CI now anticipated in the 6-10PM time
frame. An extremely unstable air mass is present with mesoanalysis
MLCAPE values ranging from 4000 to 5000 J/kg over north-central OK
and 3000 to 4000 J/kg over northwest OK. The 18Z special
soundings at LMN and OUN indicate a very strong cap in place with
CIN values near -200 J/kg. However, with the approaching surface
boundary, change in topography over NW Oklahoma, and anticipated
cooling aloft (in associated with the shortwave), severe
thunderstorms are likely to develop late this evening over
northwest and north-central OK. Convection over central Oklahoma
seems less likely.

Thompson

&&

.LONG TERM...
(Sunday night through next Friday)
Issued at 320 PM CDT Sat Jul 11 2020

Upper level ridge over the SW CONUS will shift east and begin to
break down by midweek as a strong longwave trough tracks eastward
across Canada. The hottest day of the week appears to be Tuesday
with 850H temperatures prog'd to be up to 35C over western north
TX. Temperatures of 100 to 105 F are expected over much of the
area, with highs near 110 F over southwest OK and western north
TX. There is a slight chance for showers/thunderstorms late each
day from Sunday through Thursday (over NW/N Oklahoma) in
association with several embedded shortwaves traveling along the
periphery of the ridge.

Thompson

&&

.AVIATION...
(18Z TAFS)
Issued at 1240 PM CDT Sat Jul 11 2020

Primarily VFR forecast across the region outside of TSRA which
will be mainly confined to northern Oklahoma terminals after 00Z.
This activity could make it into central Oklahoma toward and after
06Z so will keep PROB30 going at KOKC and KOUN. Eastern to
northerly wind shift behind weak cold front/outflow for late
tonight and tomorrow morning.

&&

.PRELIMINARY POINT TEMPS/POPS...
Oklahoma City OK  97  74  94  73 /  20  40  20  10
Hobart OK        105  75 100  74 /  10  20  10  10
Wichita Falls TX 104  76 102  76 /   0  10  10  10
Gage OK          105  71  96  70 /  20  40  10  20
Ponca City OK     97  72  91  70 /  40  80  10  10
Durant OK         99  75  99  75 /   0  30  20  10

&&

.OUN WATCHES/WARNINGS/ADVISORIES...
OK...Excessive Heat Warning until 9 PM CDT this evening for
     OKZ006>008-011>013-017>020-023>032-035>048-050>052.

     Heat Advisory until 9 PM CDT this evening for OKZ004-005-009-010-
     014>016-021-022-033-034.

TX...Excessive Heat Warning until 9 PM CDT this evening for
     TXZ083>090.

     Heat Advisory from 9 PM this evening to 9 PM CDT Sunday for
     TXZ083>090.

&&

SHORT TERM...01
LONG TERM....01
AVIATION...11

Hazardous weather outlook, Jul 11, 3:05 PM CST, 2 hours 37 minutes before

Hazardous Weather Outlook
National Weather Service Norman OK
405 PM CDT Sat Jul 11 2020

OKZ004>048-050>052-TXZ083>090-122115-
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-
405 PM CDT Sat Jul 11 2020

This hazardous weather outlook is for portions of northern...
western...central...and southern Oklahoma...and western north
Texas.

.DAY ONE...This Afternoon and Tonight...

.Thunderstorms...
There is an Enhanced Risk for severe thunderstorms late this
afternoon through the evening across north-central Oklahoma,
generally north of a line extending from Alva, to Hennessey, to
Cushing. This includes Enid, Ponca City and Stillwater. A Slight
Risk extends farther west and south, including Woodward, Hinton,
the OKC metro, Seminole, Ada, and Coalgate. Even farther south, a
Marginal Risk covers the rest of Oklahoma and a portion of north
Texas near the Red River.

Hail to the size of baseballs and wind gusts of 80 mph will be
the main hazards in the Enhanced Risk area, while damaging wind
gusts of 60 to 80 mph and golfball size hail will be the primary
hazard elsewhere.

Severe storms are expected to develop over southwest Kansas or
northwest Oklahoma early this evening, then spread east and south
into the body of Oklahoma through the evening hours.

.SPOTTER AND EMERGENCY MANAGEMENT STATEMENT...

Storm spotter groups and emergency management personnel across
northern Oklahoma should prepare for severe weather operations
this evening and perhaps overnight.

.DAYS TWO THROUGH SEVEN...Sunday through Friday...

.Thunderstorms...
Thunderstorms are possible late Sunday and early Monday and again
late Tuesday and early Wednesday. Most of these would occur across
northern and central Oklahoma.

.Heat...
Very hot conditions will exist Monday and Tuesday.

.Fire Weather...
Elevated fire weather conditions will occur Monday and Tuesday in
western Oklahoma and adjacent parts of northern Texas.

Get graphics and more details at weather.gov/norman...and follow
our weather forecast office on Twitter and Facebook.

In the hours before

Special weather statement, Jul 11, 5:12 PM CST, 30 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE Norman OK
612 PM CDT Sat Jul 11 2020

OKZ011-112330-
Major OK-
612 PM CDT Sat Jul 11 2020

...SIGNIFICANT WEATHER ADVISORY FOR east central Major County Until
630 PM CDT...

AT 610 PM CDT, a raidly developing thunderstorm was located 4 miles
southeast of Cleo Springs, moving east at 10 MPH.

HAZARDS INCLUDE...
Hail up to the size of nickels...
Wind gusts over 50 MPH...

Locations impacted include...
Ringwood, Ames and Meno.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Storm intensity is increasing and severe weather may develop rapidly.
Stay alert and listen for warnings.

&&

LAT...LON 3621 9811 3632 9844 3643 9842 3643 9811
TIME...MOT...LOC 2310Z 280DEG 9KT 3637 9837

BRB

Special weather statement, Jul 11, 5:29 PM CST, 13 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE Norman OK
629 PM CDT Sat Jul 11 2020

OKZ004-010-112345-
Woodward OK-Harper OK-
629 PM CDT Sat Jul 11 2020

...SIGNIFICANT WEATHER ADVISORY FOR northeastern Woodward and
southeastern Harper Counties Until 645 PM CDT...

AT 624 PM CDT, a strong thunderstorm was located 11 miles southwest
of Alabaster Caverns State Park, moving southeast at 20 MPH.

HAZARDS INCLUDE...
Hail up to the size of nickels...
Wind gusts over 50 MPH...

This storm will remain over mainly rural areas of northeastern
Woodward and southeastern Harper Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Storm intensity is increasing and severe weather may develop rapidly.
Stay alert and listen for warnings.

&&

LAT...LON 3660 9942 3672 9937 3667 9907 3647 9915
TIME...MOT...LOC 2324Z 296DEG 16KT 3663 9933

BRB

Special weather statement, Jul 11, 5:30 PM CST, 12 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE Norman OK
630 PM CDT Sat Jul 11 2020

OKZ010-112345-
Woodward OK-
630 PM CDT Sat Jul 11 2020

...SIGNIFICANT WEATHER ADVISORY FOR southwestern Woodward County
Until 645 PM CDT...

AT 629 PM CDT, a strong thunderstorm was located 5 miles southwest of
Woodward, moving southeast at 20 MPH.

HAZARDS INCLUDE...
Hail up to the size of nickels...
Wind gusts over 50 MPH...

Locations impacted include...
Woodward, Sharon and Tangier.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Storm intensity is increasing and severe weather may develop rapidly.
Stay alert and listen for warnings.

&&

LAT...LON 3635 9958 3648 9952 3640 9919 3623 9932
TIME...MOT...LOC 2329Z 296DEG 16KT 3638 9949

BRB

The radar

The Vance AFB radar (KVNX), 119 km away, was scanning. The volume nearest the first event began at 23:43 UTC.

Open the radar archive at this moment

Event by event

44 thunderstorm wind, 16 hail, 1 tornado. Local standard time, as filed.

Hail, Woodward

When: July 11, 5:42 PM CST
Where: Woodward County, 0.89 mi SW of Woodward
Measured: 1 in hail
Reported by: Emergency Manager
Coordinates: 36.420, -99.400

Hail, Woodward

When: July 11, 5:43 PM CST
Where: Woodward County, 0.89 mi SW of Woodward
Measured: 0.75 in hail
Reported by: Trained Spotter
Coordinates: 36.420, -99.400

Hail, Garfield

When: July 11, 5:44 PM CST
Where: Garfield County, 2.07 mi N of Lahoma
Measured: 1.75 in hail
Reported by: Trained Spotter
Coordinates: 36.420, -98.090

Hail, Major

When: July 11, 5:46 PM CST
Where: Major County, Ames
Measured: 1 in hail
Reported by: COOP Observer
Coordinates: 36.250, -98.190

Hail, Garfield

When: July 11, 5:52 PM CST
Where: Garfield County, Lahoma
Measured: 1.75 in hail
Reported by: Trained Spotter
Coordinates: 36.390, -98.090

Hail, Garfield

When: July 11, 6:01 PM CST
Where: Garfield County, 0.89 mi NE of Enid
Measured: 1.5 in hail
Reported by: Emergency Manager
Coordinates: 36.410, -97.870

Hail, Garfield

When: July 11, 6:04 PM CST
Where: Garfield County, 0.89 mi NE of Enid
Measured: 1.75 in hail
Reported by: Public
Coordinates: 36.410, -97.870

Hail, Garfield

When: July 11, 6:07 PM CST
Where: Garfield County, 1.11 mi E of (End)vance Afb Enid
Measured: 1 in hail
Reported by: Other Federal Agency
Coordinates: 36.340, -97.900

Observation at KEND airport.

Hail, Garfield

When: July 11, 6:20 PM CST
Where: Garfield County, 2.87 mi ENE of Enid
Measured: 2 in hail
Reported by: Trained Spotter
Coordinates: 36.410, -97.830

Time estimated from radar.

Thunderstorm Wind, Garfield

When: July 11, 6:22 PM CST
Where: Garfield County, 1.81 mi WSW of (Wdg) Woodring Arpt
Measured: 52 kt (60 mph) measured gust
Reported by: AWOS
Coordinates: 36.370, -97.820

Hail, Major

When: July 11, 6:28 PM CST
Where: Major County, 5.21 mi SE of Ames
Measured: 1.5 in hail
Reported by: Trained Spotter
Coordinates: 36.200, -98.120

Thunderstorm Wind, Garfield

When: July 11, 6:30 PM CST
Where: Garfield County, 2.33 mi ESE of Breckinridge
Measured: 54 kt (62 mph) measured gust
Reported by: Mesonet
Coordinates: 36.430, -97.690

Hail, Woodward

When: July 11, 6:35 PM CST
Where: Woodward County, 15.36 mi N of Mooreland Arpt
Measured: 1.75 in hail
Reported by: Public
Coordinates: 36.700, -99.150

Hail, Woodward

When: July 11, 6:40 PM CST
Where: Woodward County, Mooreland
Measured: 0.75 in hail
Reported by: Public
Coordinates: 36.440, -99.210

Hail, Harper

When: July 11, 7:48 PM CST
Where: Harper County, Laverne
Measured: 1 in hail
Reported by: Fire Department/Rescue
Coordinates: 36.710, -99.900

Thunderstorm Wind, Alfalfa

When: July 11, 7:55 PM CST
Where: Alfalfa County, 0.89 mi SW of Cherokee
Measured: 50 kt (58 mph) measured gust
Reported by: Mesonet
Coordinates: 36.740, -98.360

Hail, Garfield

When: July 11, 8:13 PM CST
Where: Garfield County, 1.38 mi N of Hillsdale
Measured: 1 in hail
Reported by: Emergency Manager
Coordinates: 36.580, -97.990

Thunderstorm Wind, Alfalfa

When: July 11, 8:18 PM CST
Where: Alfalfa County, Goltry
Measured: 78 kt (90 mph) estimated gust
Property damage: $10,000
Reported by: Broadcast Media
Coordinates: 36.530, -98.150

Significant structure damage to a bar in Goltry.

Hail, Grant

When: July 11, 8:35 PM CST
Where: Grant County, Pond Creek
Measured: 0.88 in hail
Reported by: Emergency Manager
Coordinates: 36.670, -97.800

Thunderstorm Wind, Grant

When: July 11, 8:49 PM CST
Where: Grant County, 2.21 mi E of Renfrow
Measured: 68 kt (78 mph) measured gust
Reported by: Public
Coordinates: 36.920, -97.620

Thunderstorm Wind, Blaine

When: July 11, 10:15 PM CST
Where: Blaine County, 0.89 mi NW of Watonga
Measured: 51 kt (59 mph) measured gust
Reported by: AWOS
Coordinates: 35.860, -98.420

Thunderstorm Wind, Kingfisher

When: July 11, 10:15 PM CST
Where: Kingfisher County, 1.32 mi ENE of Okarche
Measured: 53 kt (61 mph) measured gust
Reported by: Trained Spotter
Coordinates: 35.740, -97.960

Thunderstorm Wind, Canadian

When: July 11, 10:20 PM CST
Where: Canadian County, 4.36 mi SW of Concho
Measured: 51 kt (59 mph) measured gust
Reported by: Mesonet
Coordinates: 35.570, -98.050

Thunderstorm Wind, Canadian

When: July 11, 10:25 PM CST
Where: Canadian County, 4.36 mi SW of Concho
Measured: 60 kt (69 mph) measured gust
Reported by: Mesonet
Coordinates: 35.570, -98.050

Thunderstorm Wind, Canadian

When: July 11, 10:35 PM CST
Where: Canadian County, 4.17 mi WSW of Yukon
Measured: 56 kt (64 mph) measured gust
Reported by: AWOS
Coordinates: 35.480, -97.810

Thunderstorm Wind, Canadian

When: July 11, 10:35 PM CST
Where: Canadian County, 3.96 mi WSW of El Reno
Measured: 62 kt (71 mph) measured gust
Reported by: AWOS
Coordinates: 35.500, -98.020

Thunderstorm Wind, Grady

When: July 11, 10:35 PM CST
Where: Grady County, 1.78 mi SW of Minco
Measured: 50 kt (58 mph) measured gust
Reported by: Mesonet
Coordinates: 35.290, -97.960

Thunderstorm Wind, Canadian

When: July 11, 10:40 PM CST
Where: Canadian County, Mustang
Measured: 52 kt (60 mph) estimated gust
Reported by: Public
Coordinates: 35.390, -97.720

Several reports of tree damage.

Thunderstorm Wind, Grady

When: July 11, 10:40 PM CST
Where: Grady County, 1.78 mi SW of Minco
Measured: 61 kt (70 mph) measured gust
Reported by: Mesonet
Coordinates: 35.290, -97.960

Thunderstorm Wind, Oklahoma

When: July 11, 10:40 PM CST
Where: Oklahoma County, (Pwa)wiley Post Apt
Measured: 50 kt (58 mph) measured gust
Reported by: ASOS
Coordinates: 35.530, -97.650

Thunderstorm Wind, Grady

When: July 11, 10:45 PM CST
Where: Grady County, 3.06 mi NW of Bridge Creek
Measured: 61 kt (70 mph) estimated gust
Property damage: $5,000
Reported by: Emergency Manager
Coordinates: 35.260, -97.760

Significant damage to a greenhouse structure.

Thunderstorm Wind, McClain

When: July 11, 10:50 PM CST
Where: McClain County, 1.69 mi W of Newcastle
Measured: 56 kt (64 mph) estimated gust
Reported by: NWS Employee
Coordinates: 35.250, -97.630

Estimated severe wind gust.

Thunderstorm Wind, Canadian

When: July 11, 10:54 PM CST
Where: Canadian County, 0.56 mi W of Concho
Measured: 50 kt (58 mph) measured gust
Reported by: Mesonet
Coordinates: 35.610, -98.000

Thunderstorm Wind, Oklahoma

When: July 11, 10:54 PM CST
Where: Oklahoma County, (Okc)will Rogers Apt
Measured: 56 kt (64 mph) measured gust
Reported by: ASOS
Coordinates: 35.390, -97.600

Thunderstorm Wind, Canadian

When: July 11, 10:55 PM CST
Where: Canadian County, 3.94 mi SE of Piedmont
Measured: 50 kt (58 mph) measured gust
Reported by: AWOS
Coordinates: 35.600, -97.700

Thunderstorm Wind, Cleveland

When: July 11, 10:58 PM CST
Where: Cleveland County, 2.76 mi S of Norman
Measured: 52 kt (60 mph) estimated gust
Reported by: NWS Employee
Coordinates: 35.180, -97.440

Estimated at the National Weather Center.

Thunderstorm Wind, Cleveland

When: July 11, 10:58 PM CST
Where: Cleveland County, 0.56 mi W of (Oun)norman Westheimer Arpt
Measured: 61 kt (70 mph) estimated gust
Reported by: NWS Employee
Coordinates: 35.250, -97.480

Estimated severe wind gust.

Thunderstorm Wind, Oklahoma

When: July 11, 11:00 PM CST
Where: Oklahoma County, Midwest City
Measured: 56 kt (64 mph) estimated gust
Property damage: $1,000
Reported by: Emergency Manager
Coordinates: 35.460, -97.390

Power lines reported downed in at least two locations in Midwest City.

Thunderstorm Wind, Cleveland

When: July 11, 11:00 PM CST
Where: Cleveland County, 0.69 mi S of (Oun)norman Westheimer Arpt
Measured: 68 kt (78 mph) measured gust
Reported by: Mesonet
Coordinates: 35.240, -97.470

Thunderstorm Wind, Oklahoma

When: July 11, 11:01 PM CST
Where: Oklahoma County, 0.69 mi N of (Tik)tinker Afb
Measured: 51 kt (59 mph) measured gust
Reported by: Other Federal Agency
Coordinates: 35.420, -97.390

Thunderstorm Wind, Cleveland

When: July 11, 11:02 PM CST
Where: Cleveland County, 2.36 mi SSE of Norman
Measured: 65 kt (75 mph) estimated gust
Property damage: $5,000
Reported by: Public
Coordinates: 35.190, -97.420

Numerous power lines snapped and downed trees in south Norman near Classen and Imhoff.

Tornado, Cleveland

When: July 11, 11:04 PM CST
Where: Cleveland County, 4.55 mi SSW of Stanley Draper Lake Dam
Rating: EF0
Path length: 0.2 mi
Path width: 10 yd
Property damage: $20,000
Reported by: NWS Storm Survey
Coordinates: 35.266, -97.369

Embedded within the large area of damaging winds, NWS meteorologists observed a narrow path of enhanced damage with evidence of a convergence and rotation. A number of trees and the roof of a home were damaged by this brief tornado just north and northeast of 48th Avenue NE and Tecumseh Road in Norman.

Thunderstorm Wind, Cleveland

When: July 11, 11:05 PM CST
Where: Cleveland County, 0.69 mi S of (Oun)norman Westheimer Arpt
Measured: 64 kt (74 mph) measured gust
Reported by: Mesonet
Coordinates: 35.240, -97.470

Thunderstorm Wind, Grady

When: July 11, 11:10 PM CST
Where: Grady County, 6.83 mi NNE of Bridge Creek
Measured: 62 kt (71 mph) measured gust
Reported by: Public
Coordinates: 35.320, -97.670

Thunderstorm Wind, Cleveland

When: July 11, 11:15 PM CST
Where: Cleveland County, 0.56 mi W of (Oun)norman Westheimer Arpt
Measured: 50 kt (58 mph) measured gust
Reported by: AWOS
Coordinates: 35.250, -97.480

Thunderstorm Wind, Cleveland

When: July 11, 11:19 PM CST
Where: Cleveland County, 4.13 mi NNE of (Oun)norman Westheimer Arpt
Measured: 70 kt (81 mph) measured gust
Reported by: Public
Coordinates: 35.300, -97.430

Measured at a personal weather station near Belmar golf course.

Thunderstorm Wind, Cleveland

When: July 11, 11:22 PM CST
Where: Cleveland County, 10.75 mi E of Lexington
Measured: 74 kt (85 mph) estimated gust
Reported by: Trained Spotter
Coordinates: 35.010, -97.150

Near SH-39 and the Cleveland-Pottawatomie county line.

Thunderstorm Wind, Caddo

When: July 11, 11:25 PM CST
Where: Caddo County, 3.24 mi SSE of Stecker
Measured: 59 kt (68 mph) measured gust
Reported by: Mesonet
Coordinates: 34.920, -98.290

Thunderstorm Wind, Pottawatomie

When: July 11, 11:25 PM CST
Where: Pottawatomie County, 4.19 mi WSW of Trousdale
Measured: 74 kt (85 mph) estimated gust
Property damage: $2,000
Reported by: Public
Coordinates: 35.020, -97.110

Damage to construction equipment and trees. Hwy 39 and Pottawatomie Rd.

Thunderstorm Wind, Cleveland

When: July 11, 11:25 PM CST
Where: Cleveland County, 6 mi E of Lexington
Measured: 65 kt (75 mph) estimated gust
Property damage: $8.0 million
Reported by: Other Federal Agency
Coordinates: 35.010, -97.234

Four Chinook helicopters located outside at an Army Aviation Support Facility received damage to their rotor blades, with the blades being severely twisted and requiring replacement.

Hail, Caddo

When: July 11, 11:36 PM CST
Where: Caddo County, 0.69 mi S of Anadarko
Measured: 1.25 in hail
Reported by: Trained Spotter
Coordinates: 35.070, -98.240

Thunderstorm Wind, Garvin

When: July 11, 11:45 PM CST
Where: Garvin County, 4.73 mi NNW of Stratford
Measured: 51 kt (59 mph) measured gust
Reported by: Mesonet
Coordinates: 34.860, -97.000

Thunderstorm Wind, Garvin

When: July 11, 11:50 PM CST
Where: Garvin County, 4.73 mi NNW of Stratford
Measured: 50 kt (58 mph) measured gust
Reported by: Mesonet
Coordinates: 34.860, -97.000

Thunderstorm Wind, Grady

When: July 12, 12:01 AM CST
Where: Grady County, 4.15 mi S of Rush Springs
Measured: 52 kt (60 mph) estimated gust
Reported by: Trained Spotter
Coordinates: 34.720, -97.960

Estimated severe wind gust.

Thunderstorm Wind, Murray

When: July 12, 12:05 AM CST
Where: Murray County, 0.57 mi W of Sulphur
Measured: 56 kt (64 mph) estimated gust
Reported by: Public
Coordinates: 34.510, -96.980

Eight inch tree limbs snapped. Relayed via twitter.

Thunderstorm Wind, Carter

When: July 12, 12:35 AM CST
Where: Carter County, 3.86 mi NNE of Lone Grove
Measured: 56 kt (64 mph) measured gust
Reported by: Mesonet
Coordinates: 34.230, -97.230

Thunderstorm Wind, Carter

When: July 12, 12:41 AM CST
Where: Carter County, 2.76 mi N of Ardmore
Measured: 52 kt (60 mph) measured gust
Reported by: Trained Spotter
Coordinates: 34.210, -97.140

Thunderstorm Wind, Comanche

When: July 12, 1:17 AM CST
Where: Comanche County, Meers
Measured: 53 kt (61 mph) measured gust
Reported by: Trained Spotter
Coordinates: 34.780, -98.580

Thunderstorm Wind, Canadian

When: July 12, 1:25 AM CST
Where: Canadian County, 4.36 mi SW of Concho
Measured: 54 kt (62 mph) measured gust
Reported by: Mesonet
Coordinates: 35.570, -98.050

Thunderstorm Wind, Canadian

When: July 12, 1:35 AM CST
Where: Canadian County, 3.96 mi WSW of El Reno
Measured: 52 kt (60 mph) measured gust
Reported by: AWOS
Coordinates: 35.500, -98.020

Thunderstorm Wind, Oklahoma

When: July 12, 2:30 AM CST
Where: Oklahoma County, 16.13 mi W of Wheatland
Measured: 56 kt (64 mph) estimated gust
Property damage: $2,000
Reported by: Emergency Manager
Coordinates: 35.391, -97.936

A couple small sheet metal buildings destroyed. Piece of wood pierced the windshield of a truck.

What these are

Hail: Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
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.
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

Every storm in Oklahoma in 2020 Every state in 2020 This day in weather history The tornado archive for Oklahoma, 2020 Warnings in Oklahoma, July 2020

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: 910628, 910629, 910630, 910631, 910632, 910633, 910634, 910635, 910636, 910637, 910638, 910639, 910640, 910641, 910642, 910643, 910644, 910645, 910874, 910875, 910876, 910877, 910878, 910879, 910880, 910881, 910882, 910883, 910884, 910885, 910886, 910887, 910888, 910889, 910915, 910916, 910917, 910919, 910920, 910922, and more.