Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 294, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Dec 19, 2012, 8:20 PM CST for 4 counties in Oklahoma. It was in force for 40 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
- Dec 19, 2012, 8:20 PM CST (02:20 UTC)
- Expired
- Dec 19, 2012, 9:00 PM CST
- In force
- 40 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
Counties Haskell County, OK, Muskogee County, OK, Pittsburg County, OK, Sequoyah County, OK
The radar
The Western Arkansas radar (KSRX), 72 km from the middle of the area, began a volume at 02:22 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 |
|---|---|---|---|
| Dec 19, 8:48 PM CST | TSTM WND DMG | Keota, OK | NUMEROUS LARGE LIMS DOWN ACROSS THE CITY. |
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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Dec 19, 7:36 PM CST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Norman, OK (KOUN), launched 00:00Z, 2.3 hours before the alert went out and 204 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
- 7 J/kg
- Mixed-layer CIN
- -200 J/kg
- Mixed-layer LCL
- 1443 m above ground
- 0-6 km bulk shear
- 76 kt
- 0-1 km storm-relative helicity
- 163 m²/s²
- 0-3 km storm-relative helicity
- 149 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
874
WUUS54 KTSA 200220
SVRTSA
OKC061-101-121-135-200300-
/O.NEW.KTSA.SV.W.0294.121220T0220Z-121220T0300Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
820 PM CST WED DEC 19 2012
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN MUSKOGEE COUNTY IN EAST CENTRAL OKLAHOMA
SOUTHWESTERN SEQUOYAH COUNTY IN EAST CENTRAL OKLAHOMA
HASKELL COUNTY IN SOUTHEAST OKLAHOMA
NORTHEASTERN PITTSBURG COUNTY IN SOUTHEAST OKLAHOMA
* UNTIL 900 PM CST
* AT 817 PM CST...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 3 MILES WEST OF ENTERPRISE TO QUINTON TO 5 MILES
SOUTHWEST OF QUINTON...MOVING NORTHEAST AT 55 MPH.
STORM HAZARDS INCLUDE...
WIND GUSTS TO 60 MPH...
* SOME LOCATIONS IN OR NEAR THE PATH OF THESE STORMS INCLUDE...
KINTA...WHITEFIELD...BRIARTOWN...PORUM...STIGLER...TAMAHA...
KEOTA...VIAN AND SALLISAW.
THIS INCLUDES INTERSTATE 40 BETWEEN MILE MARKERS 290 AND 307.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH IS IN EFFECT FOR THE WARNED AREA. PEOPLE OUTDOORS
SHOULD MOVE INSIDE A STURDY BUILDING. STAY AWAY FROM WINDOWS AND
DOORS UNTIL THE STORM HAS PASSED.
PEOPLE OUTDOORS SHOULD MOVE INSIDE A STURDY BUILDING. STAY AWAY FROM
WINDOWS AND DOORS UNTIL THE STORM HAS PASSED.
&&
LAT...LON 3511 9543 3523 9550 3531 9537 3530 9535
3533 9534 3557 9496 3546 9478 3532 9480
3532 9482 3522 9482 3521 9492 3519 9493
3503 9543 3503 9546
TIME...MOT...LOC 0220Z 239DEG 48KT 3525 9540 3516 9534
3508 9537
$$2 follow-up statements
068
WWUS54 KTSA 200236
SVSTSA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
836 PM CST WED DEC 19 2012
OKC061-101-121-135-200300-
/O.CON.KTSA.SV.W.0294.000000T0000Z-121220T0300Z/
HASKELL OK-MUSKOGEE OK-PITTSBURG OK-SEQUOYAH OK-
836 PM CST WED DEC 19 2012
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CST FOR
SOUTHWESTERN SEQUOYAH...NORTHEASTERN PITTSBURG...SOUTHEASTERN
MUSKOGEE AND HASKELL COUNTIES...
AT 835 PM CST...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 7 MILES NORTHWEST OF KANIMA TO STIGLER TO 7 MILES EAST
OF KINTA...MOVING NORTHEAST AT 55 MPH.
STORM HAZARDS INCLUDE...
WIND GUSTS TO 60 MPH...
SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...KANIMA...
TAMAHA...VIAN...KEOTA...MC KEY AND SALLISAW.
THIS INCLUDES INTERSTATE 40 BETWEEN MILE MARKERS 290 AND 307.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH IS IN EFFECT FOR THE WARNED AREA. PEOPLE OUTDOORS
SHOULD MOVE INSIDE A STURDY BUILDING. STAY AWAY FROM WINDOWS AND
DOORS UNTIL THE STORM HAS PASSED.
&&
LAT...LON 3503 9546 3511 9543 3524 9533 3538 9525
3557 9496 3546 9478 3532 9480 3532 9482
3522 9482 3521 9492 3519 9494 3503 9543
TIME...MOT...LOC 0237Z 239DEG 48KT 3537 9508 3526 9506
3515 9510
$$115
WWUS54 KTSA 200252
SVSTSA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
852 PM CST WED DEC 19 2012
OKC101-121-200302-
/O.CAN.KTSA.SV.W.0294.000000T0000Z-121220T0300Z/
MUSKOGEE OK-PITTSBURG OK-
852 PM CST WED DEC 19 2012
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN PITTSBURG AND
SOUTHEASTERN MUSKOGEE COUNTIES IS CANCELLED...
LAT...LON 3519 9494 3514 9510 3526 9504 3534 9504
3550 9506 3557 9496 3546 9478 3532 9480
3532 9482 3522 9482 3521 9492
TIME...MOT...LOC 0252Z 239DEG 48KT 3547 9487 3536 9485
3525 9489
$$
OKC061-135-200300-
/O.CON.KTSA.SV.W.0294.000000T0000Z-121220T0300Z/
HASKELL OK-SEQUOYAH OK-
852 PM CST WED DEC 19 2012
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CST FOR
CENTRAL SEQUOYAH AND EASTERN HASKELL COUNTIES...
AT 848 PM CST...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM MC KEY TO KEOTA...MOVING NORTHEAST AT 55 MPH.
STORM HAZARDS INCLUDE...
WIND GUSTS TO 60 MPH...
SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...SALLISAW.
THIS INCLUDES INTERSTATE 40 BETWEEN MILE MARKERS 292 AND 307.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH IS IN EFFECT FOR THE WARNED AREA. PEOPLE OUTDOORS
SHOULD MOVE INSIDE A STURDY BUILDING. STAY AWAY FROM WINDOWS AND
DOORS UNTIL THE STORM HAS PASSED.
PEOPLE OUTDOORS SHOULD MOVE INSIDE A STURDY BUILDING. STAY AWAY FROM
WINDOWS AND DOORS UNTIL THE STORM HAS PASSED.
&&
LAT...LON 3519 9494 3514 9510 3526 9504 3534 9504
3550 9506 3557 9496 3546 9478 3532 9480
3532 9482 3522 9482 3521 9492
TIME...MOT...LOC 0252Z 239DEG 48KT 3547 9487 3536 9485
3525 9489
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 19, 7:28 PM CST | Special Weather Statement | TSA | Pittsburg | 32 min |
| Dec 19, 7:46 PM CST | Severe Thunderstorm Warning | TSA | Pittsburg | 44 min |
| Dec 19, 8:15 PM CST | Special Weather Statement | TSA | Latimer | 45 min |
| Dec 19, 8:45 PM CST | Severe Thunderstorm Warning | TSA | Haskell, Sequoyah | 45 min |
| Dec 19, 8:50 PM CST | Special Weather Statement | TSA | Latimer, LeFlore, Pushmataha | 55 min |
| Dec 19, 8:54 PM CST | Severe Thunderstorm Warning | TSA | Haskell, LeFlore, Sequoyah | 36 min |
| Dec 19, 9:11 PM CST | Severe Thunderstorm Warning | TSA | LeFlore | 34 min |
| Dec 19, 9:23 PM CST | Special Weather Statement | TSA | Choctaw | 67 min |
| Dec 19, 9:34 PM CST | Special Weather Statement | TSA | LeFlore | 56 min |
| Dec 20, 1:09 PM CST | Wind Advisory | TSA | Adair | 4 hr |
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.