Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 231, NWS Tulsa, OK

August 16, 20124 counties in Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Aug 16, 2012, 5:44 PM CDT for 4 counties in Oklahoma. It was in force for 46 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Aug 16, 2012, 5:44 PM CDT (22:44 UTC)
Expired: Aug 16, 2012, 6:30 PM CDT
In force: 46 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon

Counties Creek County, OK, Osage County, OK, Pawnee County, OK, Tulsa County, OK

The nearest sounding before it

Lamont, OK (KLMN), launched 12:00Z, 10.7 hours before the alert went out and 128 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: 1119 J/kg
Mixed-layer CIN: -249 J/kg
Mixed-layer LCL: 1947 m above ground
0-6 km bulk shear: 7 kt
0-1 km storm-relative helicity: 108 m²/s²
0-3 km storm-relative helicity: 210 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.9

Open this sounding in Storm Lab

The text

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

824 
WUUS54 KTSA 162244
SVRTSA
OKC037-113-117-143-162330-
/O.NEW.KTSA.SV.W.0231.120816T2244Z-120816T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
544 PM CDT THU AUG 16 2012

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN CREEK COUNTY IN NORTHEAST OKLAHOMA
  SOUTHERN OSAGE COUNTY IN NORTHEAST OKLAHOMA
  EASTERN PAWNEE COUNTY IN NORTHEAST OKLAHOMA
  WESTERN TULSA COUNTY IN NORTHEAST OKLAHOMA

* UNTIL 630 PM CDT

* AT 542 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 3 MILES NORTHEAST
  OF MANNFORD...MOVING SOUTHEAST AT 20 MPH.

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

* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...KEYSTONE
  STATE PARK.

THIS INCLUDES INTERSTATE 44 BETWEEN MILE MARKERS 207 AND 215.

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 3609 9605 3597 9616 3614 9641 3624 9632
TIME...MOT...LOC 2244Z 306DEG 19KT 3616 9631

$$

1 follow-up statement

954 
WWUS54 KTSA 162312
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
612 PM CDT THU AUG 16 2012

OKC113-117-162322-
/O.CAN.KTSA.SV.W.0231.000000T0000Z-120816T2330Z/
OSAGE OK-PAWNEE OK-
612 PM CDT THU AUG 16 2012

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN PAWNEE AND SOUTHERN
OSAGE COUNTIES IS CANCELLED...

LAT...LON 3617 9626 3616 9617 3609 9605 3597 9616
      3603 9625 3610 9636
TIME...MOT...LOC 2312Z 306DEG 19KT 3609 9625

$$

OKC037-143-162330-
/O.CON.KTSA.SV.W.0231.000000T0000Z-120816T2330Z/
CREEK OK-TULSA OK-
612 PM CDT THU AUG 16 2012

...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR
WESTERN TULSA AND NORTHEASTERN CREEK COUNTIES...

AT 611 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR KEYSTONE STATE
PARK...MOVING SOUTHEAST AT 20 MPH.

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

THIS STORM WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS.

THIS INCLUDES INTERSTATE 44 BETWEEN MILE MARKERS 207 AND 215.

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 3617 9626 3616 9617 3609 9605 3597 9616
      3603 9625 3610 9636
TIME...MOT...LOC 2312Z 306DEG 19KT 3609 9625

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 15, 7:24 PM CDT	Special Weather Statement	TSA	Sequoyah	36 min
Aug 16, 1:42 PM CDT	Special Weather Statement	TSA	Delaware	33 min
Aug 16, 1:53 PM CDT	Special Weather Statement	TSA	Delaware	37 min
Aug 16, 2:02 PM CDT	Severe Thunderstorm Warning	TSA	Adair, Cherokee, Delaware	46 min
Aug 16, 2:15 PM CDT	Severe Thunderstorm Warning	TSA	Adair, Delaware	60 min
Aug 16, 2:38 PM CDT	Special Weather Statement	TSA	Nowata, Washington	37 min
Aug 16, 3:23 PM CDT	Special Weather Statement	TSA	Delaware	67 min
Aug 16, 4:19 PM CDT	Severe Thunderstorm Warning	TSA	Delaware	26 min
Aug 16, 4:24 PM CDT	Special Weather Statement	TSA	Ottawa	36 min
Aug 16, 4:31 PM CDT	Severe Thunderstorm Warning	TSA	Ottawa	26 min
Aug 16, 4:34 PM CDT	Special Weather Statement	TSA	Rogers	26 min
Aug 16, 4:41 PM CDT	Special Weather Statement	TSA	Mayes	34 min
Aug 16, 4:50 PM CDT	Special Weather Statement	TSA	Delaware	25 min
Aug 16, 4:53 PM CDT	Severe Thunderstorm Warning	TSA	Rogers	28 min
Aug 16, 5:03 PM CDT	Severe Thunderstorm Warning	TSA	Delaware	30 min
Aug 16, 5:16 PM CDT	Special Weather Statement	TSA	Tulsa	29 min
Aug 16, 5:16 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee, Tulsa	44 min
Aug 16, 5:21 PM CDT	Special Weather Statement	TSA	Mayes	24 min
Aug 16, 5:25 PM CDT	Special Weather Statement	TSA	Wagoner	35 min
Aug 16, 5:31 PM CDT	Severe Thunderstorm Warning	TSA	Rogers, Tulsa, Wagoner	29 min
Aug 16, 5:39 PM CDT	Severe Thunderstorm Warning	TSA	Adair, Cherokee, Delaware	36 min
Aug 16, 5:47 PM CDT	Special Weather Statement	TSA	Cherokee	28 min
Aug 16, 5:53 PM CDT	Severe Thunderstorm Warning	TSA	Cherokee, Mayes	52 min
Aug 16, 6:03 PM CDT	Severe Thunderstorm Warning	TSA	Muskogee, Tulsa, Wagoner	46 min
Aug 16, 6:17 PM CDT	Severe Thunderstorm Warning	TSA	Creek	31 min
Aug 16, 6:30 PM CDT	Special Weather Statement	TSA	Adair	60 min
Aug 16, 6:40 PM CDT	Severe Thunderstorm Warning	TSA	Cherokee, Muskogee, Wagoner	35 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2012 Every severe thunderstorm warning in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.