Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 274, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Oct 13, 2012, 6:44 PM CDT for Delaware County, Ottawa County, Oklahoma. It was in force for 44 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Oct 13, 2012, 6:44 PM CDT (23:44 UTC)
- Expired
- Oct 13, 2012, 7:28 PM CDT
- In force
- 44 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
Counties Delaware County, OK, Ottawa County, OK
The radar
The Tulsa radar (KINX), 102 km from the middle of the area, began a volume at 23:45 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Oct 13, 5:57 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 11.7 hours before the alert went out and 94 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
- 25 J/kg
- Mixed-layer CIN
- -385 J/kg
- Mixed-layer LCL
- 685 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 359 m²/s²
- 0-3 km storm-relative helicity
- 270 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
926
WUUS54 KTSA 132344
SVRTSA
OKC041-115-140045-
/O.NEW.KTSA.SV.W.0274.121013T2344Z-121014T0045Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
644 PM CDT SAT OCT 13 2012
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHERN DELAWARE COUNTY IN NORTHEAST OKLAHOMA
OTTAWA COUNTY IN NORTHEAST OKLAHOMA
* UNTIL 745 PM CDT
* AT 641 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 16 MILES WEST OF COMMERCE TO 8 MILES WEST OF
NARCISSA TO 9 MILES WEST OF CLEORA...MOVING EAST AT 40 MPH. DAMAGING
WINDS TO 72 MPH WERE REPORTED 7 MILES EAST OF CENTRALIA AT 634 PM.
STORM HAZARDS INCLUDE...
DAMAGING WIND GUSTS TO 70 MPH...
* SOME LOCATIONS IN OR NEAR THE PATH OF THESE STORMS INCLUDE...
CLEORA...AFTON...NARCISSA...BERNICE...MIAMI...BERNICE STATE PARK...
COMMERCE...FAIRLAND...PICHER...QUAPAW...GROVE AND WYANDOTTE.
THIS INCLUDES INTERSTATE 44 BETWEEN MILE MARKERS 294 AND 324.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PEOPLE OUTDOORS SHOULD MOVE INSIDE A STURDY BUILDING. STAY AWAY FROM
WINDOWS AND DOORS UNTIL THE STORM HAS PASSED.
A TORNADO WATCH IS IN EFFECT FOR THIS AREA.
&&
LAT...LON 3699 9461 3659 9461 3656 9500 3694 9500
3695 9500 3697 9504 3699 9503 3700 9501
3700 9462
TIME...MOT...LOC 2343Z 254DEG 35KT 3700 9513 3683 9504
3663 9510
$$2 follow-up statements
294
WWUS54 KTSA 140001
SVSTSA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
701 PM CDT SAT OCT 13 2012
OKC041-115-140045-
/O.CON.KTSA.SV.W.0274.000000T0000Z-121014T0045Z/
DELAWARE OK-OTTAWA OK-
701 PM CDT SAT OCT 13 2012
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR
OTTAWA AND NORTHERN DELAWARE COUNTIES...
AT 658 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM PICHER TO TWIN BRIDGES STATE PARK TO BERNICE...MOVING
NORTHEAST AT 50 MPH.
STORM HAZARDS INCLUDE...
DAMAGING WIND GUSTS OF 60 TO 70 MPH...
SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...TWIN
BRIDGES STATE PARK...GROVE...WYANDOTTE...PEORIA AND TIFF CITY.
THIS INCLUDES INTERSTATE 44 BETWEEN MILE MARKERS 294 AND 324.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH IS IN EFFECT FOR THE WARNED AREA. PEOPLE OUTDOORS
SHOULD MOVE INSIDE A STURDY BUILDING. STAY AWAY FROM WINDOWS AND
DOORS UNTIL THE STORM HAS PASSED.
PEOPLE OUTDOORS SHOULD MOVE INSIDE A STURDY BUILDING. STAY AWAY FROM
WINDOWS AND DOORS UNTIL THE STORM HAS PASSED.
&&
LAT...LON 3699 9461 3659 9461 3656 9500 3694 9500
3695 9500 3697 9504 3699 9503 3700 9501
3700 9462
TIME...MOT...LOC 0001Z 245DEG 42KT 3701 9479 3683 9477
3663 9489
$$098
WWUS54 KTSA 140028
SVSTSA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
728 PM CDT SAT OCT 13 2012
OKC041-115-140038-
/O.CAN.KTSA.SV.W.0274.000000T0000Z-121014T0045Z/
DELAWARE OK-OTTAWA OK-
728 PM CDT SAT OCT 13 2012
...THE SEVERE THUNDERSTORM WARNING FOR OTTAWA AND NORTHERN DELAWARE
COUNTIES IS CANCELLED...
THE THUNDERSTORM HAS MOVED OUT OF THE WARNED AREA...THEREFORE THE
SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED.
GUSTY WINDS...AND VERY HEAVY RAIN WILL STILL BE POSSIBLE OVER
PORTIONS OF OTTAWA AND NORTHERN DELAWARE COUNTIES THROUGH 8 PM.
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.
A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT.
LAT...LON 3699 9461 3659 9461 3656 9500 3694 9500
3695 9500 3697 9504 3699 9503 3700 9501
3700 9462
TIME...MOT...LOC 0028Z 245DEG 42KT 3714 9443 3696 9441
3676 9453
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 13, 12:43 PM CDT | Flash Flood Watch | TSA | Adair, Cherokee, Choctaw, Craig, Creek, Delaware and 16 more | 12 hr |
| Oct 13, 4:30 PM CDT | Special Weather Statement | TSA | Creek | 30 min |
| Oct 13, 5:01 PM CDT | Special Weather Statement | TSA | Osage | 29 min |
| Oct 13, 5:14 PM CDT | Severe Thunderstorm Warning | TSA | Nowata, Osage, Pawnee, Rogers, Tulsa, Washington | 61 min |
| Oct 13, 6:12 PM CDT | Severe Thunderstorm Warning | TSA | Craig, Nowata, Rogers | 48 min |
| Oct 13, 6:21 PM CDT | Areal Flood Advisory | TSA | Creek, Osage, Pawnee, Rogers, Tulsa, Washington | 3 hr |
| Oct 13, 6:33 PM CDT | Flash Flood Warning | TSA | Creek, Osage, Rogers, Tulsa, Wagoner | 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.