Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 252, NWS Tulsa, OK

May 11, 201111 counties in Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at May 11, 2011, 5:26 PM CDT for 11 counties in Oklahoma. It was in force for 64 min. 11 reports 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: May 11, 2011, 5:26 PM CDT (22:26 UTC)
Expired: May 11, 2011, 6:30 PM CDT
In force: 64 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon

Counties Cherokee County, OK, Craig County, OK, Creek County, OK, Haskell County, OK, Mayes County, OK, McIntosh County, OK, Muskogee County, OK, Rogers County, OK, Sequoyah County, OK, Tulsa County, OK, Wagoner County, OK

The radar

The Tulsa radar (KINX), 42 km from the middle of the area, began a volume at 22:29 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
May 11, 5:40 PM CDT	TSTM WND GST 65	3 Se Tulsa, OK	ESTIMATED NEAR 61ST AND GARNETT
May 11, 5:52 PM CDT	TSTM WND GST 70	7 Nnw Inola, OK
May 11, 6:01 PM CDT	TSTM WND GST 60	Chouteau, OK
May 11, 6:03 PM CDT	TSTM WND DMG	1 E Chouteau, OK	POWER LINES DOWN ON REDBUD ROAD EAST OF CHOUTEAU. RELAYED BY EMERGENCY MANAGEMENT.
May 11, 6:07 PM CDT	TSTM WND DMG	10 Ene Claremore, OK	SEVERAL TREES WERE UPROOTED...LARGE TREE LIMBS WERE SNAPPED...AND THE ROOFS OF SEVERAL HOMES WERE DAMAGED
May 11, 6:07 PM CDT	TSTM WND DMG	7 Wnw Pryor, OK	LARGE TREE LIMBS WERE SNAPPED
May 11, 6:10 PM CDT	TSTM WND DMG	3 S Locust Grove, OK	LARGE LIMBS DOWN ALONG HWY 82 SOUTH OF LOCUST GROVE. RELAYED BY EMERGENCY MANAGEMENT.
May 11, 6:10 PM CDT	TSTM WND DMG	4 E Claremore, OK	SEVERAL BARNS WERE DAMAGED BY STRONG THUNDERSTORM WIND
May 11, 6:11 PM CDT	TORNADO	Locust Grove, OK	50 YARD WIDE EF0 WITH ESTIMATED MAXIMUM WINDS OF 80 MPH WITH A PATH LENGTH AROUND ONE HALF MILE.
May 11, 6:15 PM CDT	TSTM WND GST 60	Claremore, OK	THUNDERSTORM WIND GUST MEASURED AT THE CLAREMORE REGIONAL AIRPORT.
May 11, 6:23 PM CDT	TSTM WND DMG	3 S Locust Grove, OK	LARGE LIMBS DOWN ALONG HWY 82 SOUTH OF LOCUST GROVE. RELAYED BY EMERGENCY MANAGEMENT.

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
May 11, 1:16 PM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 10.4 hours before the alert went out and 185 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: 1845 J/kg
Mixed-layer CIN: -120 J/kg
Mixed-layer LCL: 652 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 117 m²/s²
0-3 km storm-relative helicity: 249 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

007 
WUUS54 KTSA 112226
SVRTSA
OKC021-035-037-061-091-097-101-131-135-143-145-112330-
/O.NEW.KTSA.SV.W.0252.110511T2226Z-110511T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
526 PM CDT WED MAY 11 2011

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN CHEROKEE COUNTY IN EAST CENTRAL OKLAHOMA
  MUSKOGEE COUNTY IN EAST CENTRAL OKLAHOMA
  NORTHWESTERN SEQUOYAH COUNTY IN EAST CENTRAL OKLAHOMA
  SOUTHWESTERN CRAIG COUNTY IN NORTHEAST OKLAHOMA
  EASTERN CREEK COUNTY IN NORTHEAST OKLAHOMA
  MAYES COUNTY IN NORTHEAST OKLAHOMA
  ROGERS COUNTY IN NORTHEAST OKLAHOMA
  EASTERN TULSA COUNTY IN NORTHEAST OKLAHOMA
  WAGONER COUNTY IN NORTHEAST OKLAHOMA
  WESTERN HASKELL COUNTY IN SOUTHEAST OKLAHOMA
  NORTHEASTERN MCINTOSH COUNTY IN SOUTHEAST OKLAHOMA

* UNTIL 630 PM CDT

* AT 523 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM 4 MILES SOUTHWEST OF BIXBY TO 6 MILES NORTH OF
  OKTAHA TO 5 MILES SOUTH OF ENTERPRISE...MOVING NORTHEAST AT 50 MPH.

  STORM HAZARDS INCLUDE...
  QUARTER SIZE HAIL...
  WIND GUSTS TO 60 MPH...

* SOME LOCATIONS IN OR NEAR THE PATH OF THESE STORMS INCLUDE...
  HASKELL...BIXBY...ENTERPRISE...TAFT...STONEBLUFF...JENKS...
  WHITEFIELD...PORTER...COWETA...TULLAHASSEE...BRIARTOWN...BROKEN
  ARROW...ONETA...TULSA...KEEFETON...MUSKOGEE...PORUM...WARNER...
  WAGONER...CATOOSA...OKAY...OWASSO...VERDIGRIS...INOLA...FORT
  GIBSON...WEBBERS FALLS...GORE...BRAGGS...VIAN...TIAWAH...
  CLAREMORE...CHOUTEAU...OOLOGAH...PUMPKIN CENTER...HULBERT...
  PRYOR...FOYIL...LOCUST GROVE...TALALA...SALINA...PEGGS...ADAIR...
  CHELSEA AND PENSACOLA.

THIS INCLUDES INTERSTATE 44 BETWEEN MILE MARKERS 223 AND 274.

THIS INCLUDES INTERSTATE 40 BETWEEN MILE MARKERS 264 AND 297.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PEOPLE OUTSIDE SHOULD MOVE TO A SAFE SHELTER...PREFERABLY INSIDE A
STRONG BUILDING. STAY AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

&&

LAT...LON 3643 9508 3550 9492 3508 9534 3516 9535
      3516 9545 3529 9545 3530 9550 3557 9555
      3567 9572 3572 9572 3573 9576 3585 9576
      3587 9608 3660 9568 3660 9544 3663 9543
TIME...MOT...LOC 2226Z 203DEG 43KT 3594 9592 3569 9548
          3519 9539

$$

4 follow-up statements

604 
WWUS54 KTSA 112244
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
544 PM CDT WED MAY 11 2011

OKC037-112254-
/O.CAN.KTSA.SV.W.0252.000000T0000Z-110511T2330Z/
CREEK OK-
544 PM CDT WED MAY 11 2011

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN CREEK COUNTY IS
CANCELLED...

LAT...LON 3663 9543 3643 9508 3550 9492 3508 9534
      3516 9535 3516 9545 3529 9545 3530 9550
      3557 9555 3567 9572 3572 9572 3573 9576
      3585 9576 3597 9602 3660 9568 3660 9544
TIME...MOT...LOC 2244Z 214DEG 45KT 3617 9576 3592 9531
          3542 9523

$$

OKC021-035-061-091-097-101-131-135-143-145-112330-
/O.CON.KTSA.SV.W.0252.000000T0000Z-110511T2330Z/
CHEROKEE OK-CRAIG OK-HASKELL OK-MCINTOSH OK-MAYES OK-MUSKOGEE OK-
ROGERS OK-SEQUOYAH OK-TULSA OK-WAGONER OK-
544 PM CDT WED MAY 11 2011

...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR
WAGONER...EASTERN TULSA...NORTHWESTERN SEQUOYAH...ROGERS...
MUSKOGEE...MAYES...NORTHEASTERN MCINTOSH...WESTERN HASKELL...
SOUTHWESTERN CRAIG AND WESTERN CHEROKEE COUNTIES...

AT 540 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM TULSA TO OKAY TO PORUM...MOVING NORTHEAST AT 50 MPH.

STORM HAZARDS INCLUDE...
DAMAGING WIND GUSTS TO 70 MPH...

SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...CATOOSA...
OWASSO...FORT GIBSON...BRAGGS...VERDIGRIS...INOLA...WEBBERS FALLS...
MAZIE...GORE...TIAWAH...PUMPKIN CENTER...CLAREMORE...VIAN...
CHOUTEAU...HULBERT...MURPHY...LOST CITY...BOX...OOLOGAH...PEGGS...
LOCUST GROVE...PRYOR...FOYIL...TALALA...BUSHYHEAD...SALINA...ADAIR...
CHELSEA...STRANG AND PENSACOLA.

THIS INCLUDES INTERSTATE 44 BETWEEN MILE MARKERS 223 AND 274.

THIS INCLUDES INTERSTATE 40 BETWEEN MILE MARKERS 264 AND 297.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM HAS A HISTORY OF PRODUCING DAMAGING WINDS. SEEK SHELTER
IMMEDIATELY INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.
MOBILE HOMES AND HIGH PROFILE VEHICLES ARE ESPECIALLY SUSCEPTIBLE TO
HIGH WINDS AND MAY BE OVERTURNED.

&&

LAT...LON 3663 9543 3643 9508 3550 9492 3508 9534
      3516 9535 3516 9545 3529 9545 3530 9550
      3557 9555 3567 9572 3572 9572 3573 9576
      3585 9576 3597 9602 3660 9568 3660 9544
TIME...MOT...LOC 2244Z 214DEG 45KT 3617 9576 3592 9531
          3542 9523

$$

449 
WWUS54 KTSA 112258
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
558 PM CDT WED MAY 11 2011

OKC021-035-061-091-097-101-131-135-143-145-112330-
/O.CON.KTSA.SV.W.0252.000000T0000Z-110511T2330Z/
CHEROKEE OK-CRAIG OK-HASKELL OK-MCINTOSH OK-MAYES OK-MUSKOGEE OK-
ROGERS OK-SEQUOYAH OK-TULSA OK-WAGONER OK-
558 PM CDT WED MAY 11 2011

...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR
WAGONER...EASTERN TULSA...NORTHWESTERN SEQUOYAH...ROGERS...
MUSKOGEE...MAYES...NORTHEASTERN MCINTOSH...NORTHERN HASKELL...
SOUTHWESTERN CRAIG AND WESTERN CHEROKEE COUNTIES...

AT 557 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM CLAREMORE TO 6 MILES NORTHWEST OF LOST CITY TO GORE...
MOVING NORTHEAST AT 50 MPH.

STORM HAZARDS INCLUDE...
DAMAGING WIND GUSTS TO 70 MPH...

SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
CHOUTEAU...HULBERT...MURPHY...LOST CITY...BOX...OOLOGAH...PEGGS...
LOCUST GROVE...PRYOR...FOYIL...TALALA...BUSHYHEAD...SALINA...ADAIR...
CHELSEA...STRANG AND PENSACOLA.

THIS INCLUDES INTERSTATE 44 BETWEEN MILE MARKERS 230 AND 274.

THIS INCLUDES INTERSTATE 40 BETWEEN MILE MARKERS 272 AND 297.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM HAS A HISTORY OF PRODUCING DAMAGING WINDS. SEEK SHELTER
IMMEDIATELY INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.
MOBILE HOMES AND HIGH PROFILE VEHICLES ARE ESPECIALLY SUSCEPTIBLE TO
HIGH WINDS AND MAY BE OVERTURNED.

&&

LAT...LON 3663 9543 3643 9508 3550 9492 3517 9525
      3595 9560 3618 9590 3660 9568 3660 9544
TIME...MOT...LOC 2258Z 214DEG 45KT 3632 9564 3606 9519
          3556 9511

$$

554 
WWUS54 KTSA 112305
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
605 PM CDT WED MAY 11 2011

OKC091-143-112315-
/O.CAN.KTSA.SV.W.0252.000000T0000Z-110511T2330Z/
MCINTOSH OK-TULSA OK-
605 PM CDT WED MAY 11 2011

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN TULSA AND NORTHEASTERN
MCINTOSH COUNTIES IS CANCELLED...

LAT...LON 3663 9543 3643 9508 3550 9492 3526 9516
      3600 9546 3625 9574 3660 9568 3660 9544
TIME...MOT...LOC 2305Z 214DEG 45KT 3637 9561 3609 9517
          3563 9505

$$

OKC021-035-061-097-101-131-135-145-112330-
/O.CON.KTSA.SV.W.0252.000000T0000Z-110511T2330Z/
CHEROKEE OK-CRAIG OK-HASKELL OK-MAYES OK-MUSKOGEE OK-ROGERS OK-
SEQUOYAH OK-WAGONER OK-
605 PM CDT WED MAY 11 2011

...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR
EASTERN WAGONER...NORTHWESTERN SEQUOYAH...ROGERS...EASTERN
MUSKOGEE...MAYES...NORTHERN HASKELL...SOUTHWESTERN CRAIG AND WESTERN
CHEROKEE COUNTIES...

AT 603 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM CLAREMORE TO PEGGS TO BOX...MOVING NORTHEAST AT 50
MPH.

STORM HAZARDS INCLUDE...
QUARTER SIZE HAIL...
DAMAGING WIND GUSTS TO 70 MPH...

SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...PEGGS...
LOCUST GROVE...FOYIL...PRYOR...BUSHYHEAD...SALINA...CHELSEA...
ADAIR...STRANG AND PENSACOLA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM HAS A HISTORY OF PRODUCING DAMAGING WINDS. SEEK SHELTER
IMMEDIATELY INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.
MOBILE HOMES AND HIGH PROFILE VEHICLES ARE ESPECIALLY SUSCEPTIBLE TO
HIGH WINDS AND MAY BE OVERTURNED.

&&

LAT...LON 3663 9543 3643 9508 3550 9492 3526 9516
      3600 9546 3625 9574 3660 9568 3660 9544
TIME...MOT...LOC 2305Z 214DEG 45KT 3637 9561 3609 9517
          3563 9505

$$

502 
WWUS54 KTSA 112322
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
622 PM CDT WED MAY 11 2011

OKC061-101-145-112332-
/O.CAN.KTSA.SV.W.0252.000000T0000Z-110511T2330Z/
HASKELL OK-MUSKOGEE OK-WAGONER OK-
622 PM CDT WED MAY 11 2011

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN WAGONER...EASTERN
MUSKOGEE AND NORTHERN HASKELL COUNTIES IS CANCELLED...

LAT...LON 3663 9543 3643 9508 3550 9492 3542 9501
      3574 9513 3581 9513 3582 9516 3602 9523
      3607 9521 3608 9527 3630 9542 3660 9568
      3660 9544
TIME...MOT...LOC 2322Z 214DEG 45KT 3655 9546 3627 9502
          3581 9490

$$

OKC021-035-097-131-135-112330-
/O.CON.KTSA.SV.W.0252.000000T0000Z-110511T2330Z/
CHEROKEE OK-CRAIG OK-MAYES OK-ROGERS OK-SEQUOYAH OK-
622 PM CDT WED MAY 11 2011

...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR
NORTHWESTERN SEQUOYAH...NORTHEASTERN ROGERS...MAYES...SOUTHWESTERN
CRAIG AND WESTERN CHEROKEE COUNTIES...

AT 619 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM CHELSEA TO 7 MILES EAST OF LOCUST GROVE TO 14 MILES
NORTH OF BOX...MOVING NORTHEAST AT 50 MPH.

STORM HAZARDS INCLUDE...
QUARTER SIZE HAIL...
DAMAGING WIND GUSTS TO 70 MPH...

SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...ADAIR...
STRANG AND PENSACOLA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM HAS A HISTORY OF PRODUCING DAMAGING WINDS. SEEK SHELTER
IMMEDIATELY INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.
MOBILE HOMES AND HIGH PROFILE VEHICLES ARE ESPECIALLY SUSCEPTIBLE TO
HIGH WINDS AND MAY BE OVERTURNED.

&&

LAT...LON 3663 9543 3643 9508 3550 9492 3542 9501
      3574 9513 3581 9513 3582 9516 3602 9523
      3607 9521 3608 9527 3630 9542 3660 9568
      3660 9544
TIME...MOT...LOC 2322Z 214DEG 45KT 3655 9546 3627 9502
          3581 9490

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 11, 2:28 PM CDT	Special Weather Statement	TSA	Pawnee	62 min
May 11, 3:18 PM CDT	Severe Thunderstorm Warning	TSA	Osage	27 min
May 11, 3:25 PM CDT	Severe Thunderstorm Warning	TSA	Choctaw, Pushmataha	65 min
May 11, 3:54 PM CDT	Special Weather Statement	TSA	Pawnee	36 min
May 11, 4:01 PM CDT	Special Weather Statement	TSA	Washington	29 min
May 11, 4:05 PM CDT	Special Weather Statement	TSA	Creek	25 min
May 11, 4:07 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	53 min
May 11, 4:19 PM CDT	Special Weather Statement	TSA	Okfuskee	41 min
May 11, 4:25 PM CDT	Severe Thunderstorm Warning	TSA	Nowata, Washington	50 min
May 11, 4:28 PM CDT	Special Weather Statement	TSA	Creek	32 min
May 11, 4:29 PM CDT	Severe Thunderstorm Warning	TSA	Choctaw, Latimer, Pittsburg, Pushmataha	61 min
May 11, 4:41 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Osage, Pawnee	49 min
May 11, 4:43 PM CDT	Severe Thunderstorm Warning	TSA	McIntosh, Muskogee, Okfuskee, Okmulgee	47 min
May 11, 4:51 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Osage, Pawnee, Tulsa	39 min
May 11, 5:06 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Osage, Pawnee, Tulsa, Washington	39 min
May 11, 5:09 PM CDT	Severe Thunderstorm Warning	TSA	Haskell, Latimer, LeFlore, Pittsburg, Pushmataha	66 min
May 11, 5:11 PM CDT	Severe Thunderstorm Warning	TSA	Nowata, Rogers, Washington	49 min
May 11, 5:18 PM CDT	Areal Flood Advisory	TSA	Creek, Osage, Rogers, Tulsa, Wagoner	117 min
May 11, 5:18 PM CDT	Special Weather Statement	TSA	Tulsa	27 min
May 11, 5:31 PM CDT	Severe Thunderstorm Warning	TSA	Nowata, Osage, Rogers, Tulsa, Washington	59 min
May 11, 6:01 PM CDT	Severe Thunderstorm Warning	TSA	Nowata, Washington	29 min
May 11, 6:07 PM CDT	Areal Flood Advisory	TSA	Nowata, Washington	113 min
May 11, 6:08 PM CDT	Severe Thunderstorm Warning	TSA	Adair, Cherokee, Haskell, LeFlore, Sequoyah	52 min
May 11, 6:15 PM CDT	Severe Thunderstorm Warning	TSA	Craig, Delaware, Mayes, Nowata, Ottawa	60 min
May 11, 6:57 PM CDT	Severe Thunderstorm Warning	TSA	Adair, Delaware	33 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2011 Every severe thunderstorm warning in 2011

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.