Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 178, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Aug 6, 2012, 4:53 PM CDT for Choctaw County, Oklahoma. It was in force for 52 min. 2 reports 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
- Aug 6, 2012, 4:53 PM CDT (21:53 UTC)
- Expired
- Aug 6, 2012, 5:45 PM CDT
- In force
- 52 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
County Choctaw County, OK
The radar
The Western Arkansas radar (KSRX), 185 km from the middle of the area, began a volume at 21:56 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 6, 4:58 PM CDT | TSTM WND DMG | Hugo, OK | A LOT OF TREES AND TREE LIMBS DOWN ACROSS HUGO. SOME TREES BLOCKING ROADWAYS. |
| Aug 6, 4:58 PM CDT | TSTM WND GST 65 | Hugo, OK |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Fort Worth, TX (KFWD), launched 12:00Z, 9.9 hours before the alert went out and 205 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.
- Mixed-layer CAPE
- 1433 J/kg
- Mixed-layer CIN
- -149 J/kg
- Mixed-layer LCL
- 1436 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- -37 m²/s²
- 0-3 km storm-relative helicity
- 10 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.2
The text
As transmitted, in the capitals the NWS used until 2016.
439
WUUS54 KTSA 062153
SVRTSA
OKC023-062245-
/O.NEW.KTSA.SV.W.0178.120806T2153Z-120806T2245Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
453 PM CDT MON AUG 6 2012
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CENTRAL CHOCTAW COUNTY IN SOUTHEAST OKLAHOMA
* UNTIL 545 PM CDT
* AT 451 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR GOODLAND...
MOVING SOUTH AT 15 MPH.
STORM HAZARDS INCLUDE...
QUARTER SIZE HAIL...
DAMAGING WIND GUSTS TO 70 MPH...
* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
GOODLAND.
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 3388 9547 3387 9551 3389 9551 3388 9555
3393 9557 3393 9559 3392 9562 3407 9567
3410 9542 3387 9537 3386 9542
TIME...MOT...LOC 2153Z 351DEG 15KT 3399 9556
$$4 follow-up statements
939
WWUS54 KTSA 062208
SVSTSA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
508 PM CDT MON AUG 6 2012
OKC023-062245-
/O.CON.KTSA.SV.W.0178.000000T0000Z-120806T2245Z/
CHOCTAW OK-
508 PM CDT MON AUG 6 2012
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CDT FOR
CENTRAL CHOCTAW COUNTY...
AT 504 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR HUGO...MOVING
SOUTHEAST AT 15 MPH.
STORM HAZARDS INCLUDE...
QUARTER SIZE HAIL...
DAMAGING WIND GUSTS TO 70 MPH...
SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...FALLON...
GRANT AND ORD.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PEOPLE OUTSIDE SHOULD MOVE TO A SAFE SHELTER...PREFERABLY INSIDE A
STRONG BUILDING. STAY AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
&&
LAT...LON 3388 9547 3387 9551 3389 9551 3388 9555
3393 9557 3393 9559 3392 9562 3405 9565
3407 9541 3387 9537 3386 9542
TIME...MOT...LOC 2208Z 331DEG 13KT 3397 9549
$$057
WWUS54 KTSA 062225
SVSTSA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
525 PM CDT MON AUG 6 2012
OKC023-062245-
/O.CON.KTSA.SV.W.0178.000000T0000Z-120806T2245Z/
CHOCTAW OK-
525 PM CDT MON AUG 6 2012
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CDT FOR
SOUTHERN CHOCTAW COUNTY...
AT 522 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR ORD...MOVING
SOUTHEAST AT 15 MPH.
STORM HAZARDS INCLUDE...
DAMAGING WIND GUSTS TO 70 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 3388 9547 3387 9551 3389 9551 3388 9555
3393 9557 3393 9559 3392 9562 3399 9560
3402 9541 3387 9537 3386 9542
TIME...MOT...LOC 2225Z 331DEG 13KT 3392 9545
$$439
WWUS54 KTSA 062237
SVSTSA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
537 PM CDT MON AUG 6 2012
OKC023-062245-
/O.CON.KTSA.SV.W.0178.000000T0000Z-120806T2245Z/
CHOCTAW OK-
537 PM CDT MON AUG 6 2012
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CDT FOR
SOUTHERN CHOCTAW COUNTY...
AT 535 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR ORD...MOVING
SOUTHEAST AT 15 MPH.
STORM HAZARDS INCLUDE...
WIND GUSTS TO 60 MPH...
THIS STORM WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PEOPLE OUTSIDE SHOULD MOVE TO A SAFE SHELTER...PREFERABLY INSIDE A
STRONG BUILDING. STAY AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
&&
LAT...LON 3388 9547 3387 9551 3389 9551 3388 9555
3394 9556 3397 9540 3387 9537 3386 9542
TIME...MOT...LOC 2237Z 331DEG 13KT 3388 9542
$$995
WWUS54 KTSA 062244
SVSTSA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
544 PM CDT MON AUG 6 2012
OKC023-062254-
/O.EXP.KTSA.SV.W.0178.000000T0000Z-120806T2245Z/
CHOCTAW OK-
544 PM CDT MON AUG 6 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN CHOCTAW COUNTY
EXPIRES AT 545 PM CDT...
THE THUNDERSTORM HAS MOVED OUT OF THE WARNED AREA...THEREFORE THE
SEVERE THUNDERSTORM WARNING WILL BE ALLOWED TO EXPIRE.
TO REPORT PREVIOUS HAIL OR WIND DAMAGE...HAVE THE NEAREST LAW
ENFORCEMENT AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
FORECAST OFFICE IN TULSA.
LAT...LON 3388 9547 3387 9551 3389 9551 3388 9555
3394 9556 3397 9540 3387 9537 3386 9542
TIME...MOT...LOC 2244Z 331DEG 13KT 3386 9540
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 6, 3:57 PM CDT | Special Weather Statement | TSA | Choctaw | 33 min |
| Aug 6, 3:59 PM CDT | Heat Advisory | TSA | Cherokee, Choctaw, Craig, Creek, Delaware, Haskell and 14 more | 29 hr |
| Aug 6, 4:31 PM CDT | Special Weather Statement | TSA | Choctaw | 29 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.