Alert archive / Oklahoma / Tornado Warnings in 2012
Tornado Warning 8, NWS Tulsa, OK
NWS Tulsa, OK issued this tornado warning at Apr 14, 2012, 3:39 AM CDT for Pawnee County, Oklahoma. It was in force for 17 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
- Apr 14, 2012, 3:39 AM CDT (08:39 UTC)
- Expired
- Apr 14, 2012, 3:56 AM CDT
- In force
- 17 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
County Pawnee County, OK
The radar
The Tulsa radar (KINX), 107 km from the middle of the area, began a volume at 08:42 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 |
|---|---|---|---|
| Apr 14, 3:40 AM CDT | TSTM WND DMG | 1 N Pawnee, OK | 4 INCH TREE LIMBS DOWN AND TIN BLOWN OFF A BUILDING JUST NORTH OF PAWNEE |
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 |
|---|---|---|---|
| Apr 13, 8:36 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Norman, OK (KOUN), launched 00:00Z, 8.7 hours before the alert went out and 144 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
- 2227 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 617 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 269 m²/s²
- 0-3 km storm-relative helicity
- 389 m²/s²
- Significant tornado parameter
- 3.5
- Supercell composite
- 15.6
The text
As transmitted, in the capitals the NWS used until 2016.
888
WFUS54 KTSA 140839
TORTSA
OKC117-140915-
/O.NEW.KTSA.TO.W.0008.120414T0839Z-120414T0915Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
339 AM CDT SAT APR 14 2012
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
* TORNADO WARNING FOR...
PAWNEE COUNTY IN NORTHEAST OKLAHOMA
* UNTIL 415 AM CDT
* AT 338 AM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO WAS LOCATED NEAR PAWNEE...MOVING NORTHEAST AT 30 MPH.
* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
PAWNEE...SKEDEE...BLACKBURN AND RALSTON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
NIGHTTIME TORNADOES ARE ESPECIALLY DANGEROUS...TAKE COVER NOW! IF YOU
WAIT UNTIL YOU SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A
SAFE PLACE!
&&
LAT...LON 3655 9680 3656 9675 3648 9670 3644 9672
3643 9669 3642 9662 3637 9658 3640 9655
3639 9652 3621 9681 3624 9683 3624 9686
3628 9693
TIME...MOT...LOC 0839Z 216DEG 26KT 3633 9680
$$1 follow-up statement
436
WWUS54 KTSA 140856
SVSTSA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
356 AM CDT SAT APR 14 2012
OKC117-140906-
/O.CAN.KTSA.TO.W.0008.000000T0000Z-120414T0915Z/
PAWNEE OK-
356 AM CDT SAT APR 14 2012
...THE TORNADO WARNING FOR PAWNEE COUNTY IS CANCELLED...
THE THUNDERSTORM NO LONGER APPEARS CAPABLE OF PRODUCING A
TORNADO...THEREFORE THE TORNADO WARNING HAS BEEN CANCELLED.
GUSTY WINDS...SMALL HAIL AND VERY HEAVY RAIN WILL STILL BE POSSIBLE
WITH THIS STORM.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 9 AM.
LAT...LON 3655 9680 3656 9675 3648 9670 3644 9672
3643 9669 3642 9662 3637 9658 3640 9655
3639 9652 3621 9681 3624 9683 3624 9686
3628 9693
TIME...MOT...LOC 0856Z 216DEG 26KT 3643 9671
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 13, 8:44 PM CDT | Special Weather Statement | TSA | Osage | 31 min |
| Apr 13, 9:16 PM CDT | Special Weather Statement | TSA | Osage | 29 min |
| Apr 13, 9:42 PM CDT | Special Weather Statement | TSA | Osage | 33 min |
| Apr 14, 12:35 AM CDT | Special Weather Statement | TSA | Creek | 25 min |
| Apr 14, 12:40 AM CDT | Special Weather Statement | TSA | Pawnee | 35 min |
| Apr 14, 1:18 AM CDT | Special Weather Statement | TSA | Pawnee | 57 min |
| Apr 14, 2:09 AM CDT | Special Weather Statement | TSA | Osage, Pawnee | 66 min |
| Apr 14, 3:26 AM CDT | Special Weather Statement | TSA | Craig, Nowata | 64 min |
| Apr 14, 3:52 AM CDT | Special Weather Statement | TSA | Washington | 53 min |
| Apr 14, 4:08 AM CDT | Severe Thunderstorm Warning | TSA | Nowata, Osage, Rogers, Washington | 52 min |
| Apr 14, 4:17 AM CDT | Special Weather Statement | TSA | Creek | 28 min |
| Apr 14, 4:28 AM CDT | Severe Thunderstorm Warning | TSA | Creek | 47 min |
| Apr 14, 4:54 AM CDT | Areal Flood Advisory | TSA | Nowata, Osage, Washington | 111 min |
| Apr 14, 5:00 AM CDT | Special Weather Statement | TSA | Craig | 45 min |
| Apr 14, 5:09 AM CDT | Special Weather Statement | TSA | Pawnee | 36 min |
| Apr 14, 5:12 AM CDT | Special Weather Statement | TSA | Creek | 33 min |
| Apr 14, 5:19 AM CDT | Special Weather Statement | TSA | Ottawa | 26 min |
| Apr 14, 5:41 AM CDT | Special Weather Statement | TSA | Pawnee | 49 min |
| Apr 14, 6:23 AM CDT | Special Weather Statement | TSA | Rogers | 52 min |
| Apr 14, 6:32 AM CDT | Severe Thunderstorm Warning | TSA | Craig, Mayes, Nowata, Rogers, Tulsa, Washington | 43 min |
Nearby
Tornado Warnings in Oklahoma, 2012Every tornado warning in 2012Tornadoes 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.