Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 256, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Sep 7, 2012, 4:53 PM CDT for 4 counties in Oklahoma. It was in force for 52 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
- Sep 7, 2012, 4:53 PM CDT (21:53 UTC)
- Expired
- Sep 7, 2012, 5:45 PM CDT
- In force
- 52 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
Counties McIntosh County, OK, Muskogee County, OK, Okmulgee County, OK, Wagoner County, OK
The radar
The Tulsa radar (KINX), 65 km from the middle of the area, began a volume at 21:54 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 |
|---|---|---|---|
| Sep 7, 5:15 PM CDT | TSTM WND DMG | Checotah, OK | FENCES DOWN. ROOF DAMAGE. METAL SHED ROOF BLOWN OFF. ESTIMATED GUST TO 70 MPH. |
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 |
|---|---|---|---|
| Sep 7, 2:35 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Norman, OK (KOUN), launched 12:00Z, 9.9 hours before the alert went out and 161 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
- 460 J/kg
- Mixed-layer CIN
- -231 J/kg
- Mixed-layer LCL
- 2065 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- -47 m²/s²
- 0-3 km storm-relative helicity
- 60 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
524
WUUS54 KTSA 072153
SVRTSA
OKC091-101-111-145-072245-
/O.NEW.KTSA.SV.W.0256.120907T2153Z-120907T2245Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
453 PM CDT FRI SEP 7 2012
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
MUSKOGEE COUNTY IN EAST CENTRAL OKLAHOMA
EASTERN OKMULGEE COUNTY IN NORTHEAST OKLAHOMA
SOUTHERN WAGONER COUNTY IN NORTHEAST OKLAHOMA
MCINTOSH COUNTY IN SOUTHEAST OKLAHOMA
* UNTIL 545 PM CDT
* AT 449 PM CDT...A CLUSTER OF POTENTIALLY SEVERE THUNDERSTORMS WERE
LOCATED ALONG A LINE EXTENDING FROM 8 MILES WEST OF BALD HILL TO 3
MILES NORTH OF MORRIS TO 3 MILES NORTHWEST OF GRAYSON TO 6 MILES
SOUTHEAST OF HENRYETTA...MOVING EAST AT 35 MPH.
STORM HAZARDS INCLUDE...
WIND GUSTS TO 60 MPH...
* SOME LOCATIONS IN OR NEAR THE PATH OF THESE STORMS INCLUDE...
GRAYSON...HOFFMAN...BALD HILL...BOYNTON...STIDHAM...COUNCIL HILL...
LAKE EUFAULA STATE PARK...CHECOTAH...OKTAHA...RENTIESVILLE...
TAFT...KEEFETON...WARNER AND MUSKOGEE.
THIS INCLUDES INTERSTATE 40 BETWEEN MILE MARKERS 238 AND 278.
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 3581 9605 3582 9538 3564 9522 3552 9527
3533 9529 3529 9598 3552 9599 3565 9594
TIME...MOT...LOC 2153Z 270DEG 30KT 3574 9594 3565 9582
3552 9587 3537 9589
$$
LACY2 follow-up statements
051
WWUS54 KTSA 072213
SVSTSA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
513 PM CDT FRI SEP 7 2012
OKC111-072223-
/O.CAN.KTSA.SV.W.0256.000000T0000Z-120907T2245Z/
OKMULGEE OK-
513 PM CDT FRI SEP 7 2012
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN OKMULGEE COUNTY IS
CANCELLED...
LAT...LON 3554 9571 3565 9570 3571 9572 3572 9571
3572 9573 3580 9576 3582 9538 3564 9522
3552 9527 3533 9529 3530 9577
TIME...MOT...LOC 2213Z 270DEG 30KT 3574 9573 3558 9550
3552 9567 3537 9569
$$
OKC091-101-145-072245-
/O.CON.KTSA.SV.W.0256.000000T0000Z-120907T2245Z/
MCINTOSH OK-MUSKOGEE OK-WAGONER OK-
513 PM CDT FRI SEP 7 2012
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CDT FOR
SOUTHERN WAGONER...MUSKOGEE AND NORTHEASTERN MCINTOSH COUNTIES...
AT 511 PM CDT...A CLUSTER OF POTENTIALLY SEVERE THUNDERSTORMS WERE
LOCATED ALONG A LINE EXTENDING FROM 6 MILES WEST OF JAMESVILLE TO
OKTAHA TO COUNCIL HILL TO STIDHAM...MOVING EAST AT 35 MPH.
STORM HAZARDS INCLUDE...
WIND GUSTS TO 60 MPH...
SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...OKTAHA...
LAKE EUFAULA STATE PARK...JAMESVILLE...ONAPA...CHECOTAH...
RENTIESVILLE...KEEFETON...TAFT...SUMMIT...WARNER AND MUSKOGEE.
THIS INCLUDES INTERSTATE 40 BETWEEN MILE MARKERS 253 AND 278.
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 3554 9571 3565 9570 3571 9572 3572 9571
3572 9573 3580 9576 3582 9538 3564 9522
3552 9527 3533 9529 3530 9577
TIME...MOT...LOC 2213Z 270DEG 30KT 3574 9573 3558 9550
3552 9567 3537 9569
$$338
WWUS54 KTSA 072241
SVSTSA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
541 PM CDT FRI SEP 7 2012
OKC091-101-145-072251-
/O.EXP.KTSA.SV.W.0256.000000T0000Z-120907T2245Z/
MCINTOSH OK-MUSKOGEE OK-WAGONER OK-
541 PM CDT FRI SEP 7 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN WAGONER...MUSKOGEE
AND NORTHEASTERN MCINTOSH COUNTIES EXPIRES AT 545 PM CDT...
THE THUNDERSTORM HAS MOVED OUT OF THE WARNED AREA...THEREFORE THE
SEVERE THUNDERSTORM WARNING WILL BE ALLOWED TO EXPIRE.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 10 PM.
LAT...LON 3554 9571 3565 9570 3571 9572 3572 9571
3572 9573 3580 9576 3582 9538 3564 9522
3552 9527 3533 9529 3530 9577
TIME...MOT...LOC 2241Z 270DEG 30KT 3574 9544 3558 9521
3552 9538 3537 9540
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 7, 3:22 AM CDT | Wind Advisory | TSA | Craig, Creek, Delaware, Mayes, Nowata, Okfuskee and 7 more | 17 hr |
| Sep 7, 2:49 PM CDT | Special Weather Statement | TSA | Nowata, Osage, Washington | 41 min |
| Sep 7, 2:53 PM CDT | Severe Thunderstorm Warning | TSA | Craig, Nowata, Rogers, Washington | 67 min |
| Sep 7, 3:01 PM CDT | Severe Thunderstorm Warning | TSA | Craig, Nowata | 44 min |
| Sep 7, 3:32 PM CDT | Special Weather Statement | TSA | Wagoner | 28 min |
| Sep 7, 3:40 PM CDT | Severe Thunderstorm Warning | TSA | Craig, Delaware, Ottawa | 50 min |
| Sep 7, 3:46 PM CDT | Severe Thunderstorm Warning | TSA | Craig, Mayes, Rogers | 44 min |
| Sep 7, 3:47 PM CDT | Red Flag Warning | TSA | Cherokee, Haskell, Latimer, McIntosh, Mayes, Muskogee and 3 more | 4 hr |
| Sep 7, 3:54 PM CDT | Special Weather Statement | TSA | Creek, Okfuskee | 51 min |
| Sep 7, 3:58 PM CDT | Severe Thunderstorm Warning | TSA | Cherokee, Muskogee, Wagoner | 17 min |
| Sep 7, 4:04 PM CDT | Severe Thunderstorm Warning | TSA | Creek, Okfuskee, Okmulgee | 56 min |
| Sep 7, 4:09 PM CDT | Severe Thunderstorm Warning | TSA | Adair, Cherokee, Delaware, Mayes | 51 min |
| Sep 7, 4:25 PM CDT | Severe Thunderstorm Warning | TSA | Delaware, Ottawa | 35 min |
| Sep 7, 4:36 PM CDT | Severe Thunderstorm Warning | TSA | Cherokee, Mayes, Muskogee, Okmulgee, Wagoner | 39 min |
| Sep 7, 5:01 PM CDT | Severe Thunderstorm Warning | TSA | Adair, Cherokee, Delaware, Muskogee, Sequoyah | 59 min |
| Sep 7, 5:30 PM CDT | Severe Thunderstorm Warning | TSA | Haskell, LeFlore, McIntosh, Muskogee, Pittsburg, Sequoyah | 60 min |
| Sep 7, 5:55 PM CDT | Severe Thunderstorm Warning | TSA | Adair, Haskell, Latimer, LeFlore, Sequoyah | 65 min |
| Sep 7, 6:21 PM CDT | Special Weather Statement | TSA | Latimer | 24 min |
| Sep 7, 6:37 PM CDT | Severe Thunderstorm Warning | TSA | LeFlore | 38 min |
| Sep 7, 6:56 PM CDT | Special Weather Statement | TSA | LeFlore | 34 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.