Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 27, NWS Tulsa, OK

April 3, 2012Haskell County, Latimer County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Apr 3, 2012, 5:33 PM CDT for Haskell County, Latimer County, Oklahoma. It was in force for 42 min. 1 report 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
Apr 3, 2012, 5:33 PM CDT (22:33 UTC)
Expired
Apr 3, 2012, 6:15 PM CDT
In force
42 min
Issued by
NWS Tulsa, OK
Area
Storm-based polygon

Counties Haskell County, OK, Latimer County, OK

The radar

The Western Arkansas radar (KSRX), 85 km from the middle of the area, began a volume at 22:32 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

TimeReportWhereRemark
Apr 3, 5:40 PM CDTTSTM WND DMGWilburton, OKTREES AND POWER LINES DOWN IN WILBURTON.

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.

IssuedProductOfficeLasted
Apr 3, 3:43 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 10.6 hours before the alert went out and 248 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, Springfield, MO at 12:00Z on 2012-04-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 7 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, Springfield, MO at 12:00Z on 2012-04-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -81 square meters per square second.193958Sfc1 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
7 J/kg
Mixed-layer CIN
-92 J/kg
Mixed-layer LCL
803 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
-81 m²/s²
0-3 km storm-relative helicity
123 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.

685 
WUUS54 KTSA 032233
SVRTSA
OKC061-077-032315-
/O.NEW.KTSA.SV.W.0027.120403T2233Z-120403T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
533 PM CDT TUE APR 3 2012

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN HASKELL COUNTY IN SOUTHEAST OKLAHOMA
  NORTHERN LATIMER COUNTY IN SOUTHEAST OKLAHOMA

* UNTIL 615 PM CDT

* AT 532 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR WILBURTON...
  MOVING NORTHEAST AT 30 MPH.

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

* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...RED
  OAK...LEQUIRE AND MCCURTAIN.

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.

TORNADOES CAN DEVELOP SUDDENLY FROM SEVERE THUNDERSTORMS. TAKE COVER
ON THE LOWEST FLOOR IN AN INTERIOR ROOM AND STAY AWAY FROM WINDOWS.

&&

LAT...LON 3501 9545 3503 9538 3503 9535 3505 9535
      3521 9494 3494 9493 3494 9500 3492 9500
      3479 9537
TIME...MOT...LOC 2234Z 243DEG 27KT 3495 9529

$$
2 follow-up statements
130 
WWUS54 KTSA 032257
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
557 PM CDT TUE APR 3 2012

OKC061-077-032315-
/O.CON.KTSA.SV.W.0027.000000T0000Z-120403T2315Z/
HASKELL OK-LATIMER OK-
557 PM CDT TUE APR 3 2012

...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM CDT FOR
NORTHEASTERN LATIMER AND SOUTHERN HASKELL COUNTIES...

AT 555 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR PANOLA...
MOVING NORTHEAST AT 25 MPH.

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

SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...RED OAK...
LEQUIRE AND MCCURTAIN.

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.

TORNADOES CAN DEVELOP SUDDENLY FROM SEVERE THUNDERSTORMS. TAKE COVER
ON THE LOWEST FLOOR IN AN INTERIOR ROOM AND STAY AWAY FROM WINDOWS.

&&

LAT...LON 3503 9535 3505 9535 3521 9494 3494 9493
      3494 9500 3492 9500 3483 9529
TIME...MOT...LOC 2257Z 243DEG 20KT 3500 9518

$$
895 
WWUS54 KTSA 032312
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
612 PM CDT TUE APR 3 2012

OKC061-077-032322-
/O.EXP.KTSA.SV.W.0027.000000T0000Z-120403T2315Z/
HASKELL OK-LATIMER OK-
612 PM CDT TUE APR 3 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN LATIMER AND
SOUTHERN HASKELL COUNTIES EXPIRES AT 615 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 11 PM!

LAT...LON 3503 9535 3505 9535 3521 9494 3494 9493
      3494 9500 3492 9500 3483 9529
TIME...MOT...LOC 2312Z 243DEG 20KT 3504 9509

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 3, 7:00 AM CDTSpecial Weather StatementTSAPittsburg60 min
Apr 3, 7:27 AM CDTSpecial Weather StatementTSAPittsburg63 min
Apr 3, 8:00 AM CDTAreal Flood AdvisoryTSAHaskell, Latimer, Pittsburg, Pushmataha60 min
Apr 3, 9:04 AM CDTAreal Flood AdvisoryTSAHaskell, Latimer, LeFlore, Pushmataha116 min
Apr 3, 4:01 PM CDTSpecial Weather StatementTSAPittsburg44 min
Apr 3, 4:50 PM CDTSpecial Weather StatementTSAPittsburg40 min
Apr 3, 6:09 PM CDTSevere Thunderstorm WarningTSAHaskell, Latimer, LeFlore36 min
Apr 3, 6:24 PM CDTSpecial Weather StatementTSAHaskell51 min
Apr 3, 6:44 PM CDTSevere Thunderstorm WarningTSALeFlore, Sequoyah46 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.