Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 130, NWS Tulsa, OK

July 10, 20216 counties in Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Jul 10, 2021, 8:11 PM CDT for 6 counties in Oklahoma. It was in force for 49 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jul 10, 2021, 8:11 PM CDT (01:11 UTC)
Expired: Jul 10, 2021, 9:00 PM CDT
In force: 49 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Cherokee County, OK, Mayes County, OK, Muskogee County, OK, Rogers County, OK, Tulsa County, OK, Wagoner County, OK

The radar

The Tulsa radar (KINX), 21 km from the middle of the area, began a volume at 01:14 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

Time	Report	Where	Remark
Jul 10, 8:20 PM CDT	TSTM WND GST 63	2 Ne Coweta, OK	THUNDERSTORM WIND GUST OF 63 MPH MEASURED MY HOME WEATHER STATION IN COWETA.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jul 10, 3:02 PM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 1.2 hours before the alert went out and 187 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 2329 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 756 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 193 m²/s²
0-3 km storm-relative helicity: 261 m²/s²
Significant tornado parameter: 2.0
Supercell composite: 11.8

Open this sounding in Storm Lab

The text

As transmitted.

843 
WUUS54 KTSA 110111
SVRTSA
OKC021-097-101-131-143-145-110200-
/O.NEW.KTSA.SV.W.0130.210711T0111Z-210711T0200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tulsa OK
811 PM CDT Sat Jul 10 2021

The National Weather Service in Tulsa has issued a

* Severe Thunderstorm Warning for...
  Southern Rogers County in northeastern Oklahoma...
  Southwestern Mayes County in northeastern Oklahoma...
  Wagoner County in northeastern Oklahoma...
  Northwestern Cherokee County in east central Oklahoma...
  Northwestern Muskogee County in east central Oklahoma...
  Southeastern Tulsa County in northeastern Oklahoma...

* Until 900 PM CDT.

* At 811 PM CDT, severe thunderstorms were located along a line
  extending from 2 miles west of Verdigris to 3 miles north of Oneta
  to 4 miles east of Bixby, moving east at 50 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations in or near the path include...
  Tulsa...                          Broken Arrow...
  Muskogee...                       Claremore...
  Wagoner...                        Owasso...
  Bixby...                          Coweta...
  Catoosa...                        Fort Gibson...
  Verdigris...                      Chouteau...
  Haskell...                        Inola...
  Locust Grove...                   Okay...
  Hulbert...                        Porter...
  Tullahassee...                    Stonebluff...

This includes Interstate 44 between mile markers 234 and 246.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3621 9515 3593 9511 3570 9523 3585 9577
      3586 9577 3585 9580 3589 9593 3608 9580
      3631 9581
TIME...MOT...LOC 0111Z 285DEG 42KT 3623 9573 3607 9570 3594 9581 

HAIL...<.75IN
WIND...60MPH
 
$$

Lacy

2 follow-up statements

304 
WWUS54 KTSA 110117
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
817 PM CDT Sat Jul 10 2021

OKC143-110126-
/O.CAN.KTSA.SV.W.0130.000000T0000Z-210711T0200Z/
Tulsa OK-
817 PM CDT Sat Jul 10 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN TULSA COUNTY IS
CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
northeastern and east central Oklahoma.

LAT...LON 3621 9515 3593 9511 3570 9523 3585 9577
      3586 9577 3585 9579 3586 9582 3590 9582
      3590 9576 3601 9576 3604 9573 3625 9573
TIME...MOT...LOC 0116Z 285DEG 53KT 3620 9561 3604 9558 3591 9569 

$$

OKC021-097-101-131-145-110200-
/O.CON.KTSA.SV.W.0130.000000T0000Z-210711T0200Z/
Rogers OK-Mayes OK-Wagoner OK-Cherokee OK-Muskogee OK-
817 PM CDT Sat Jul 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
FOR SOUTHWESTERN ROGERS...SOUTHWESTERN MAYES...WAGONER...NORTHWESTERN
CHEROKEE AND NORTHWESTERN MUSKOGEE COUNTIES...

At 816 PM CDT, severe thunderstorms were located along a line
extending from 4 miles southeast of Verdigris to 7 miles east of
Oneta to 3 miles northeast of Stonebluff, moving east at 60 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations in or near the path include...
Broken Arrow...                   Muskogee...
Wagoner...                        Coweta...
Catoosa...                        Fort Gibson...
Verdigris...                      Chouteau...
Haskell...                        Inola...
Locust Grove...                   Okay...
Hulbert...                        Porter...
Tullahassee...                    Stonebluff...
Sequoyah State Park...            Oneta...
Redbird...                        Mazie...

This includes Interstate 44 between mile markers 238 and 243.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3621 9515 3593 9511 3570 9523 3585 9577
      3586 9577 3585 9579 3586 9582 3590 9582
      3590 9576 3601 9576 3604 9573 3625 9573
TIME...MOT...LOC 0116Z 285DEG 53KT 3620 9561 3604 9558 3591 9569 

HAIL...<.75IN
WIND...60MPH
 
$$

Lacy

542 
WWUS54 KTSA 110131
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
831 PM CDT Sat Jul 10 2021

OKC097-131-110140-
/O.CAN.KTSA.SV.W.0130.000000T0000Z-210711T0200Z/
Rogers OK-Mayes OK-
831 PM CDT Sat Jul 10 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN ROGERS AND
SOUTHWESTERN MAYES COUNTIES IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
northeastern and east central Oklahoma.

LAT...LON 3593 9511 3570 9523 3585 9577 3586 9577
      3585 9579 3586 9582 3590 9582 3590 9576
      3598 9557 3607 9550 3607 9513
TIME...MOT...LOC 0130Z 295DEG 41KT 3609 9546 3593 9543 3580 9554 

$$

OKC021-101-145-110200-
/O.CON.KTSA.SV.W.0130.000000T0000Z-210711T0200Z/
Wagoner OK-Cherokee OK-Muskogee OK-
831 PM CDT Sat Jul 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
FOR WAGONER...NORTHWESTERN CHEROKEE AND NORTHWESTERN MUSKOGEE
COUNTIES...

At 830 PM CDT, severe thunderstorms were located along a line
extending from 5 miles southeast of Inola to 3 miles southwest of
Wagoner to 2 miles north of Taft, moving southeast at 50 mph.

HAZARD...70 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings.

Locations in or near the path include...
Muskogee...                       Wagoner...
Coweta...                         Fort Gibson...
Haskell...                        Okay...
Hulbert...                        Porter...
Tullahassee...                    Stonebluff...
Sequoyah State Park...            Redbird...
Lost City...                      Choska...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3593 9511 3570 9523 3585 9577 3586 9577
      3585 9579 3586 9582 3590 9582 3590 9576
      3598 9557 3607 9550 3607 9513
TIME...MOT...LOC 0130Z 295DEG 41KT 3609 9546 3593 9543 3580 9554 

HAIL...<.75IN
WIND...70MPH
 
$$

Lacy

The office that day

Everything else NWS Tulsa, OK issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 10, 7:08 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Osage, Pawnee	52 min
Jul 10, 7:25 PM CDT	Special Weather Statement	TSA	Cherokee, Muskogee, Sequoyah	35 min
Jul 10, 7:27 PM CDT	Special Weather Statement	TSA	Tulsa, Wagoner	33 min
Jul 10, 7:35 PM CDT	Areal Flood Advisory	TSA	Cherokee, Creek, Mayes, Osage, Pawnee, Rogers and 2 more	3 hr
Jul 10, 7:49 PM CDT	Special Weather Statement	TSA	Tulsa	26 min
Jul 10, 7:51 PM CDT	Severe Thunderstorm Warning	TSA	Creek	39 min
Jul 10, 7:58 PM CDT	Special Weather Statement	TSA	Adair, Sequoyah	32 min
Jul 10, 8:23 PM CDT	Special Weather Statement	TSA	Sequoyah	37 min
Jul 10, 8:26 PM CDT	Special Weather Statement	TSA	Creek, Okfuskee, Okmulgee	49 min
Jul 10, 8:28 PM CDT	Special Weather Statement	TSA	Sequoyah	32 min
Jul 10, 8:39 PM CDT	Severe Thunderstorm Warning	TSA	Creek, McIntosh, Okmulgee	51 min
Jul 10, 8:40 PM CDT	Areal Flood Advisory	TSA	Adair, Cherokee, Creek, Muskogee, Okmulgee, Sequoyah and 2 more	3 hr
Jul 10, 8:43 PM CDT	Severe Thunderstorm Warning	TSA	Cherokee, Muskogee, Sequoyah, Wagoner	29 min
Jul 10, 8:46 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Okfuskee	44 min
Jul 10, 9:17 PM CDT	Special Weather Statement	TSA	Okfuskee	43 min
Jul 10, 9:20 PM CDT	Severe Thunderstorm Warning	TSA	Sequoyah	40 min
Jul 10, 9:23 PM CDT	Severe Thunderstorm Warning	TSA	McIntosh, Muskogee, Okmulgee	34 min
Jul 10, 9:56 PM CDT	Special Weather Statement	TSA	Latimer, Pittsburg	49 min
Jul 10, 10:21 PM CDT	Severe Thunderstorm Warning	TSA	Haskell, Latimer, LeFlore, Pittsburg	39 min
Jul 10, 10:22 PM CDT	Areal Flood Advisory	TSA	Creek, Haskell, McIntosh, Muskogee, Okfuskee, Okmulgee and 1 more	3 hr
Jul 10, 10:41 PM CDT	Special Weather Statement	TSA	Pittsburg	34 min
Jul 10, 10:50 PM CDT	Special Weather Statement	TSA	Latimer, LeFlore	25 min
Jul 10, 11:07 PM CDT	Special Weather Statement	TSA	LeFlore	38 min
Jul 10, 11:10 PM CDT	Special Weather Statement	TSA	Pittsburg	35 min
Jul 11, 12:05 AM CDT	Special Weather Statement	TSA	Pushmataha	55 min
Jul 11, 12:43 AM CDT	Special Weather Statement	TSA	Choctaw, Pushmataha	47 min
Jul 11, 1:28 AM CDT	Special Weather Statement	TSA	Choctaw	62 min
Jul 11, 1:56 AM CDT	Areal Flood Advisory	TSA	Choctaw	3 hr
Jul 11, 2:27 AM CDT	Special Weather Statement	TSA	Choctaw	63 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2021 Every severe thunderstorm warning in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.