Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 91, NWS Tulsa, OK

May 29, 2012Creek County, Tulsa County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at May 29, 2012, 8:55 PM CDT for Creek County, Tulsa County, Oklahoma. It was in force for 28 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: May 29, 2012, 8:55 PM CDT (01:55 UTC)
Expired: May 29, 2012, 9:23 PM CDT
In force: 28 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon

Counties Creek County, OK, Tulsa County, OK

The radar

The Tulsa radar (KINX), 33 km from the middle of the area, began a volume at 01:56 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.

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 29, 7:33 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 1.9 hours before the alert went out and 166 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: 2199 J/kg
Mixed-layer CIN: -34 J/kg
Mixed-layer LCL: 1607 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: -23 m²/s²
0-3 km storm-relative helicity: 192 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 6.2

Open this sounding in Storm Lab

The text

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

691 
WUUS54 KTSA 300155
SVRTSA
OKC037-143-300245-
/O.NEW.KTSA.SV.W.0091.120530T0155Z-120530T0245Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
855 PM CDT TUE MAY 29 2012

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN CREEK COUNTY IN NORTHEAST OKLAHOMA
  CENTRAL TULSA COUNTY IN NORTHEAST OKLAHOMA

* UNTIL 945 PM CDT

* AT 852 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 6 MILES WEST OF
  JENKS...MOVING EAST AT 20 MPH.

  STORM HAZARDS INCLUDE...
  QUARTER SIZE HAIL...
  WIND GUSTS TO 65 MPH...

* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...JENKS...
  TULSA AND BROKEN ARROW.

THIS INCLUDES INTERSTATE 44 BETWEEN MILE MARKERS 212 AND 232.

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 3614 9612 3618 9581 3616 9581 3616 9577
      3600 9576 3598 9610
TIME...MOT...LOC 0155Z 266DEG 17KT 3605 9606

$$

2 follow-up statements

909 
WWUS54 KTSA 300211
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
911 PM CDT TUE MAY 29 2012

OKC037-300222-
/O.CAN.KTSA.SV.W.0091.000000T0000Z-120530T0245Z/
CREEK OK-
911 PM CDT TUE MAY 29 2012

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

LAT...LON 3612 9577 3603 9576 3600 9577 3599 9603
      3608 9603
TIME...MOT...LOC 0212Z 273DEG 18KT 3601 9595

$$

OKC143-300245-
/O.CON.KTSA.SV.W.0091.000000T0000Z-120530T0245Z/
TULSA OK-
911 PM CDT TUE MAY 29 2012

...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM CDT FOR
SOUTHERN TULSA COUNTY...

AT 909 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR JENKS...MOVING
EAST 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...TULSA AND
BROKEN ARROW.

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 3612 9577 3603 9576 3600 9577 3599 9603
      3608 9603
TIME...MOT...LOC 0212Z 273DEG 18KT 3601 9595

$$

093 
WWUS54 KTSA 300223
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
923 PM CDT TUE MAY 29 2012

OKC143-300233-
/O.CAN.KTSA.SV.W.0091.000000T0000Z-120530T0245Z/
TULSA OK-
923 PM CDT TUE MAY 29 2012

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

THE THUNDERSTORM HAS MOVED OUT OF THE WARNED AREA AND WEAKENED BELOW
SEVERE LIMITS...THEREFORE THE SEVERE THUNDERSTORM WARNING HAS BEEN
CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1 AM!

LAT...LON 3612 9577 3603 9576 3600 9577 3599 9603
      3608 9603
TIME...MOT...LOC 0223Z 273DEG 18KT 3601 9588

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 29, 7:11 PM CDT	Special Weather Statement	TSA	Osage	49 min
May 29, 7:27 PM CDT	Special Weather Statement	TSA	Creek	48 min
May 29, 7:49 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	41 min
May 29, 8:07 PM CDT	Special Weather Statement	TSA	Creek	53 min
May 29, 8:17 PM CDT	Severe Thunderstorm Warning	TSA	Osage	43 min
May 29, 8:25 PM CDT	Severe Thunderstorm Warning	TSA	Osage	35 min
May 29, 8:30 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Okmulgee, Tulsa	45 min
May 29, 8:40 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Okfuskee, Okmulgee	50 min
May 29, 8:44 PM CDT	Severe Thunderstorm Warning	TSA	Osage	46 min
May 29, 8:49 PM CDT	Special Weather Statement	TSA	Tulsa	41 min
May 29, 8:57 PM CDT	Severe Thunderstorm Warning	TSA	Muskogee, Okmulgee, Tulsa, Wagoner	48 min
May 29, 9:18 PM CDT	Severe Thunderstorm Warning	TSA	McIntosh, Muskogee, Okfuskee, Okmulgee	27 min
May 29, 9:29 PM CDT	Special Weather Statement	TSA	Muskogee	46 min
May 29, 9:34 PM CDT	Special Weather Statement	TSA	Okfuskee	26 min
May 29, 9:39 PM CDT	Special Weather Statement	TSA	Wagoner	36 min
May 29, 9:46 PM CDT	Special Weather Statement	TSA	McIntosh	44 min
May 29, 10:05 PM CDT	Special Weather Statement	TSA	Cherokee, Craig, Mayes, Muskogee, Nowata	55 min
May 29, 10:10 PM CDT	Areal Flood Advisory	TSA	McIntosh, Okfuskee, Okmulgee	110 min
May 29, 10:19 PM CDT	Special Weather Statement	TSA	McIntosh, Pittsburg	41 min
May 29, 10:22 PM CDT	Severe Thunderstorm Warning	TSA	Latimer, McIntosh, Pittsburg	53 min
May 29, 10:52 PM CDT	Severe Thunderstorm Warning	TSA	Haskell, Latimer, McIntosh, Pittsburg	68 min
May 29, 10:54 PM CDT	Special Weather Statement	TSA	Ottawa	36 min
May 29, 11:04 PM CDT	Severe Thunderstorm Warning	TSA	Delaware, Ottawa	45 min
May 29, 11:17 PM CDT	Special Weather Statement	TSA	Sequoyah	58 min
May 29, 11:21 PM CDT	Severe Thunderstorm Warning	TSA	Haskell, Latimer, LeFlore, Pittsburg, Pushmataha	54 min
May 29, 11:38 PM CDT	Severe Thunderstorm Warning	TSA	Choctaw, Latimer, Pittsburg, Pushmataha	67 min
May 30, 12:31 AM CDT	Severe Thunderstorm Warning	TSA	Choctaw, Pushmataha	59 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; radar from the NEXRAD Level II archive.