Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 85, NWS Tulsa, OK

May 29, 2012Osage County, Pawnee County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at May 29, 2012, 7:49 PM CDT for Osage County, Pawnee County, Oklahoma. It was in force for 41 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, 7:49 PM CDT (00:49 UTC)
Expired
May 29, 2012, 8:30 PM CDT
In force
41 min
Issued by
NWS Tulsa, OK
Area
Storm-based polygon

Counties Osage County, OK, Pawnee County, OK

The radar

The Tulsa radar (KINX), 108 km from the middle of the area, began a volume at 00:52 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, 0.8 hours before the alert went out and 168 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.

239 
WUUS54 KTSA 300049
SVRTSA
OKC113-117-300130-
/O.NEW.KTSA.SV.W.0085.120530T0049Z-120530T0130Z/

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

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN OSAGE COUNTY IN NORTHEAST OKLAHOMA
  PAWNEE COUNTY IN NORTHEAST OKLAHOMA

* UNTIL 830 PM CDT

* AT 748 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 3 MILES NORTHWEST
  OF FAIRFAX...MOVING EAST AT 10 MPH.

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

* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...RALSTON
  AND FAIRFAX.

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 3667 9647 3641 9662 3656 9689 3669 9679
TIME...MOT...LOC 0050Z 286DEG 11KT 3660 9675

$$
1 follow-up statement
972 
WWUS54 KTSA 300110
SVSTSA

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

OKC113-117-300130-
/O.CON.KTSA.SV.W.0085.000000T0000Z-120530T0130Z/
OSAGE OK-PAWNEE OK-
810 PM CDT TUE MAY 29 2012

...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR
PAWNEE AND CENTRAL OSAGE COUNTIES...

AT 805 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR FAIRFAX...
MOVING EAST 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 3652 9678 3669 9674 3667 9647 3641 9662
TIME...MOT...LOC 0110Z 286DEG 11KT 3655 9666

$$

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, 8:07 PM CDTSpecial Weather StatementTSACreek53 min
May 29, 8:17 PM CDTSevere Thunderstorm WarningTSAOsage43 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.