Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 86, NWS Tulsa, OK

May 29, 2012Osage County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at May 29, 2012, 8:17 PM CDT for Osage County, Oklahoma. It was in force for 43 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, 8:17 PM CDT (01:17 UTC)
Expired
May 29, 2012, 9:00 PM CDT
In force
43 min
Issued by
NWS Tulsa, OK
Area
Storm-based polygon

County Osage County, OK

The radar

The Tulsa radar (KINX), 114 km from the middle of the area, began a volume at 01:18 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.

IssuedProductOfficeLasted
May 29, 7:33 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 1.3 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-pSkew-T log-p diagram, Norman, OK at 00:00Z on 2012-05-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2199 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Norman, OK at 00:00Z on 2012-05-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -23 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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.

321 
WUUS54 KTSA 300117
SVRTSA
OKC113-300200-
/O.NEW.KTSA.SV.W.0086.120530T0117Z-120530T0200Z/

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

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL OSAGE COUNTY IN NORTHEAST OKLAHOMA

* UNTIL 900 PM CDT

* AT 814 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 5 MILES SOUTH OF
  SHIDLER...MOVING NORTHEAST AT 15 MPH.

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

* THIS STORM WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS.

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 3688 9655 3667 9645 3669 9672 3675 9673
TIME...MOT...LOC 0117Z 245DEG 12KT 3671 9663

$$
3 follow-up statements
184 
WWUS54 KTSA 300127
SVSTSA

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

OKC113-300200-
/O.CON.KTSA.SV.W.0086.000000T0000Z-120530T0200Z/
OSAGE OK-
827 PM CDT TUE MAY 29 2012

...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT FOR
CENTRAL OSAGE COUNTY...

AT 822 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR SHIDLER...
MOVING NORTHEAST AT 15 MPH.

STORM HAZARDS INCLUDE...
HALF DOLLAR SIZE HAIL...
WIND GUSTS TO 60 MPH...

THIS STORM WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS.

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 3688 9655 3667 9645 3669 9672 3675 9673
TIME...MOT...LOC 0127Z 245DEG 12KT 3672 9659

$$
431 
WWUS54 KTSA 300134
SVSTSA

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

OKC113-300200-
/O.CON.KTSA.SV.W.0086.000000T0000Z-120530T0200Z/
OSAGE OK-
834 PM CDT TUE MAY 29 2012

...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT FOR
CENTRAL OSAGE COUNTY...

AT 831 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER CENTRAL OSAGE
COUNTY...MOVING NORTHEAST AT 15 MPH.

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

THIS STORM WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS.

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 3676 9661 3683 9653 3667 9645 3668 9661
TIME...MOT...LOC 0135Z 245DEG 12KT 3673 9656

$$
642 
WWUS54 KTSA 300152
SVSTSA

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

OKC113-300203-
/O.EXP.KTSA.SV.W.0086.000000T0000Z-120530T0200Z/
OSAGE OK-
852 PM CDT TUE MAY 29 2012

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL OSAGE COUNTY EXPIRES
AT 900 PM CDT...

THE THUNDERSTORM HAS MOVED OUT OF THE WARNED AREA...THEREFORE THE
SEVERE THUNDERSTORM WARNING WILL BE ALLOWED TO EXPIRE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1 AM!

LAT...LON 3676 9661 3683 9653 3667 9645 3668 9661
TIME...MOT...LOC 0153Z 245DEG 12KT 3676 9649

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 29, 7:11 PM CDTSpecial Weather StatementTSAOsage49 min
May 29, 7:27 PM CDTSpecial Weather StatementTSACreek48 min
May 29, 7:49 PM CDTSevere Thunderstorm WarningTSAOsage, Pawnee41 min
May 29, 8:07 PM CDTSpecial Weather StatementTSACreek53 min
May 29, 8:25 PM CDTSevere Thunderstorm WarningTSAOsage35 min
May 29, 8:30 PM CDTSevere Thunderstorm WarningTSACreek, Okmulgee, Tulsa45 min
May 29, 8:40 PM CDTSevere Thunderstorm WarningTSACreek, Okfuskee, Okmulgee50 min
May 29, 8:44 PM CDTSevere Thunderstorm WarningTSAOsage46 min
May 29, 8:49 PM CDTSpecial Weather StatementTSATulsa41 min
May 29, 8:55 PM CDTSevere Thunderstorm WarningTSACreek, Tulsa28 min
May 29, 8:57 PM CDTSevere Thunderstorm WarningTSAMuskogee, Okmulgee, Tulsa, Wagoner48 min
May 29, 9:18 PM CDTSevere Thunderstorm WarningTSAMcIntosh, Muskogee, Okfuskee, Okmulgee27 min
May 29, 9:29 PM CDTSpecial Weather StatementTSAMuskogee46 min
May 29, 9:34 PM CDTSpecial Weather StatementTSAOkfuskee26 min
May 29, 9:39 PM CDTSpecial Weather StatementTSAWagoner36 min
May 29, 9:46 PM CDTSpecial Weather StatementTSAMcIntosh44 min
May 29, 10:05 PM CDTSpecial Weather StatementTSACherokee, Craig, Mayes, Muskogee, Nowata55 min
May 29, 10:10 PM CDTAreal Flood AdvisoryTSAMcIntosh, Okfuskee, Okmulgee110 min
May 29, 10:19 PM CDTSpecial Weather StatementTSAMcIntosh, Pittsburg41 min
May 29, 10:22 PM CDTSevere Thunderstorm WarningTSALatimer, McIntosh, Pittsburg53 min
May 29, 10:52 PM CDTSevere Thunderstorm WarningTSAHaskell, Latimer, McIntosh, Pittsburg68 min
May 29, 10:54 PM CDTSpecial Weather StatementTSAOttawa36 min
May 29, 11:04 PM CDTSevere Thunderstorm WarningTSADelaware, Ottawa45 min
May 29, 11:17 PM CDTSpecial Weather StatementTSASequoyah58 min
May 29, 11:21 PM CDTSevere Thunderstorm WarningTSAHaskell, Latimer, LeFlore, Pittsburg, Pushmataha54 min
May 29, 11:38 PM CDTSevere Thunderstorm WarningTSAChoctaw, Latimer, Pittsburg, Pushmataha67 min
May 30, 12:31 AM CDTSevere Thunderstorm WarningTSAChoctaw, Pushmataha59 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2012Every 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.