Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 18, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Mar 8, 2012, 3:40 PM CST for Latimer County, LeFlore County, Pushmataha County, Oklahoma. It was in force for 65 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
- Mar 8, 2012, 3:40 PM CST (21:40 UTC)
- Expired
- Mar 8, 2012, 4:45 PM CST
- In force
- 65 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
Counties Latimer County, OK, LeFlore County, OK, Pushmataha County, OK
The radar
The Western Arkansas radar (KSRX), 62 km from the middle of the area, began a volume at 21:43 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 |
|---|---|---|---|
| Mar 8, 3:45 PM CST | HAIL 1.25 | 4 Ne Yanush, OK |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Norman, OK (KOUN), launched 12:00Z, 9.7 hours before the alert went out and 230 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
- 9 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 405 m above ground
- 0-6 km bulk shear
- 68 kt
- 0-1 km storm-relative helicity
- 195 m²/s²
- 0-3 km storm-relative helicity
- 205 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.4
The text
As transmitted, in the capitals the NWS used until 2016.
224 WUUS54 KTSA 082140 SVRTSA OKC077-079-127-082245- /O.NEW.KTSA.SV.W.0018.120308T2140Z-120308T2245Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 340 PM CST THU MAR 8 2012 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHEASTERN LATIMER COUNTY IN SOUTHEAST OKLAHOMA NORTHERN LE FLORE COUNTY IN SOUTHEAST OKLAHOMA NORTHERN PUSHMATAHA COUNTY IN SOUTHEAST OKLAHOMA * UNTIL 445 PM CST * AT 338 PM CST...A SEVERE THUNDERSTORM WAS LOCATED NEAR YANUSH... MOVING NORTHEAST AT 60 MPH. STORM HAZARDS INCLUDE... QUARTER SIZE HAIL... * SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE... TALIHINA...BENGAL...TALIMENA STATE PARK...FANSHAWE...LAKE WISTER STATE PARK...WISTER...HOWE AND POTEAU. 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 3519 9463 3498 9446 3462 9532 3474 9542 TIME...MOT...LOC 2141Z 238DEG 51KT 3472 9527 $$
7 follow-up statements
756 WWUS54 KTSA 082144 SVSTSA SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 344 PM CST THU MAR 8 2012 OKC127-082155- /O.CAN.KTSA.SV.W.0018.000000T0000Z-120308T2245Z/ PUSHMATAHA OK- 344 PM CST THU MAR 8 2012 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN PUSHMATAHA COUNTY IS CANCELLED... LAT...LON 3468 9524 3477 9535 3519 9463 3498 9446 TIME...MOT...LOC 2145Z 237DEG 48KT 3475 9523 $$ OKC077-079-082245- /O.CON.KTSA.SV.W.0018.000000T0000Z-120308T2245Z/ LE FLORE OK-LATIMER OK- 344 PM CST THU MAR 8 2012 ...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM CST FOR SOUTHEASTERN LATIMER AND NORTHERN LE FLORE COUNTIES... AT 343 PM CST...A SEVERE THUNDERSTORM WAS LOCATED 12 MILES WEST OF TALIHINA...MOVING NORTHEAST AT 55 MPH. STORM HAZARDS INCLUDE... QUARTER SIZE HAIL... SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE... TALIHINA...BENGAL...FANSHAWE...SUMMERFIELD...LAKE WISTER STATE PARK...WISTER...HOWE...POTEAU AND SHADY POINT. 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 3468 9524 3477 9535 3519 9463 3498 9446 TIME...MOT...LOC 2145Z 237DEG 48KT 3475 9523 $$
546 WWUS54 KTSA 082154 SVSTSA SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 354 PM CST THU MAR 8 2012 OKC077-079-082245- /O.CON.KTSA.SV.W.0018.000000T0000Z-120308T2245Z/ LE FLORE OK-LATIMER OK- 354 PM CST THU MAR 8 2012 ...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM CST FOR EASTERN LATIMER AND NORTHERN LE FLORE COUNTIES... AT 352 PM CST...A SEVERE THUNDERSTORM WAS LOCATED NEAR BENGAL... MOVING NORTHEAST AT 55 MPH. THIS STORM HAS A HISTORY OF PRODUCING HAIL TO THE SIZE OF QUARTERS NEAR YANUSH. STORM HAZARDS INCLUDE... QUARTER SIZE HAIL... SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...BENGAL... FANSHAWE...SUMMERFIELD...LAKE WISTER STATE PARK...WISTER...HOWE... POTEAU AND SHADY POINT. PRECAUTIONARY/PREPAREDNESS ACTIONS... PEOPLE OUTSIDE SHOULD MOVE TO A SAFE SHELTER...PREFERABLY INSIDE A STRONG BUILDING. STAY AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. && LAT...LON 3475 9512 3482 9523 3519 9463 3498 9446 TIME...MOT...LOC 2154Z 237DEG 48KT 3481 9512 $$
538 WWUS54 KTSA 082202 SVSTSA SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 402 PM CST THU MAR 8 2012 OKC077-079-082245- /O.CON.KTSA.SV.W.0018.000000T0000Z-120308T2245Z/ LE FLORE OK-LATIMER OK- 402 PM CST THU MAR 8 2012 ...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM CST FOR EASTERN LATIMER AND NORTHERN LE FLORE COUNTIES... AT 401 PM CST...A SEVERE THUNDERSTORM WAS LOCATED 8 MILES SOUTHWEST OF FANSHAWE...MOVING NORTHEAST AT 55 MPH. STORM HAZARDS INCLUDE... QUARTER SIZE HAIL... SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE... FANSHAWE...SUMMERFIELD...LAKE WISTER STATE PARK...WISTER...HOWE... POTEAU AND SHADY POINT. 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 3482 9501 3489 9511 3519 9463 3498 9446 TIME...MOT...LOC 2202Z 237DEG 48KT 3488 9501 $$
165 WWUS54 KTSA 082207 SVSTSA SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 407 PM CST THU MAR 8 2012 OKC077-079-082245- /O.CON.KTSA.SV.W.0018.000000T0000Z-120308T2245Z/ LE FLORE OK-LATIMER OK- 407 PM CST THU MAR 8 2012 ...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM CST FOR EASTERN LATIMER AND NORTHERN LE FLORE COUNTIES... AT 406 PM CST...A SEVERE THUNDERSTORM WAS LOCATED NEAR FANSHAWE... MOVING NORTHEAST AT 55 MPH. STORM HAZARDS INCLUDE... QUARTER SIZE HAIL... SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE... FANSHAWE...SUMMERFIELD...LAKE WISTER STATE PARK...WISTER...HOWE... POTEAU AND SHADY POINT. PRECAUTIONARY/PREPAREDNESS ACTIONS... PEOPLE OUTSIDE SHOULD MOVE TO A SAFE SHELTER...PREFERABLY INSIDE A STRONG BUILDING. STAY AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. && LAT...LON 3485 9495 3492 9502 3519 9463 3498 9446 TIME...MOT...LOC 2207Z 237DEG 48KT 3491 9493 $$
196 WWUS54 KTSA 082216 SVSTSA SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 416 PM CST THU MAR 8 2012 OKC077-082226- /O.CAN.KTSA.SV.W.0018.000000T0000Z-120308T2245Z/ LATIMER OK- 416 PM CST THU MAR 8 2012 ...THE SEVERE THUNDERSTORM WARNING FOR EASTERN LATIMER COUNTY IS CANCELLED... LAT...LON 3490 9482 3495 9487 3519 9463 3498 9446 TIME...MOT...LOC 2216Z 237DEG 48KT 3495 9480 $$ OKC079-082245- /O.CON.KTSA.SV.W.0018.000000T0000Z-120308T2245Z/ LE FLORE OK- 416 PM CST THU MAR 8 2012 ...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM CST FOR NORTHERN LE FLORE COUNTY... AT 415 PM CST...A SEVERE THUNDERSTORM WAS LOCATED NEAR LAKE WISTER STATE PARK...MOVING NORTHEAST AT 55 MPH. STORM HAZARDS INCLUDE... QUARTER SIZE HAIL... SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...LAKE WISTER STATE PARK...WISTER...HOWE...POTEAU AND SHADY POINT. PRECAUTIONARY/PREPAREDNESS ACTIONS... PEOPLE OUTSIDE SHOULD MOVE TO A SAFE SHELTER...PREFERABLY INSIDE A STRONG BUILDING. STAY AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. && LAT...LON 3490 9482 3495 9487 3519 9463 3498 9446 TIME...MOT...LOC 2216Z 237DEG 48KT 3495 9480 $$
527 WWUS54 KTSA 082222 SVSTSA SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 422 PM CST THU MAR 8 2012 OKC079-082245- /O.CON.KTSA.SV.W.0018.000000T0000Z-120308T2245Z/ LE FLORE OK- 422 PM CST THU MAR 8 2012 ...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM CST FOR CENTRAL LE FLORE COUNTY... AT 420 PM CST...A SEVERE THUNDERSTORM WAS LOCATED NEAR WISTER... MOVING NORTHEAST AT 55 MPH. STORM HAZARDS INCLUDE... QUARTER SIZE HAIL... SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...POTEAU. 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 3494 9476 3497 9481 3514 9459 3503 9450 TIME...MOT...LOC 2223Z 237DEG 48KT 3500 9470 $$
920 WWUS54 KTSA 082239 SVSTSA SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TULSA OK 439 PM CST THU MAR 8 2012 OKC079-082249- /O.EXP.KTSA.SV.W.0018.000000T0000Z-120308T2245Z/ LE FLORE OK- 439 PM CST THU MAR 8 2012 ...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL LE FLORE COUNTY EXPIRES AT 445 PM CST... THE THUNDERSTORM HAS MOVED OUT OF THE WARNED AREA AND WEAKENED BELOW SEVERE LIMITS...THEREFORE THE SEVERE THUNDERSTORM WARNING WILL BE ALLOWED TO EXPIRE. SMALL HAIL AND HEAVY RAIN WILL STILL BE POSSIBLE WITH THIS STORM. LAT...LON 3494 9476 3497 9481 3514 9459 3503 9450 TIME...MOT...LOC 2239Z 237DEG 48KT 3507 9444 $$
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 8, 11:13 AM CST | Special Weather Statement | TSA | Cherokee | 32 min |
| Mar 8, 2:55 PM CST | Special Weather Statement | TSA | Pushmataha | 65 min |
| Mar 8, 3:01 PM CST | Severe Thunderstorm Warning | TSA | Latimer, Pittsburg, Pushmataha | 59 min |
| Mar 8, 3:19 PM CST | Special Weather Statement | TSA | McIntosh | 26 min |
| Mar 8, 3:59 PM CST | Special Weather Statement | TSA | Cherokee, Muskogee | 31 min |
| Mar 8, 4:21 PM CST | Special Weather Statement | TSA | Adair, Cherokee | 24 min |
| Mar 8, 4:47 PM CST | Special Weather Statement | TSA | Creek | 28 min |
| Mar 8, 5:00 PM CST | Special Weather Statement | TSA | LeFlore | 45 min |
| Mar 8, 5:33 PM CST | Special Weather Statement | TSA | LeFlore | 42 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.