Alert archive / Oklahoma / Tornado Warnings in 2015
Tornado Warning 20, NWS Tulsa, OK
NWS Tulsa, OK issued this tornado warning at May 6, 2015, 2:57 AM CDT for Creek County, Oklahoma. It was in force for 18 min. 3 reports 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
- May 6, 2015, 2:57 AM CDT (07:57 UTC)
- Expired
- May 6, 2015, 3:15 AM CDT
- In force
- 18 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
County Creek County, OK
The radar
The Tulsa radar (KINX), 58 km from the middle of the area, began a volume at 08:00 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 |
|---|---|---|---|
| May 6, 2:58 AM CDT | TORNADO | 5 Ssw Kellyville, OK | EF0 TORNADO SPLIT A COUPLE HARDWOOD TREES AND SNAPPED LARGE LIMBS FROM OTHER TREES |
| May 6, 3:08 AM CDT | TSTM WND DMG | 4 Sw Kiefer, OK | LARGE TREE LIMBS DOWN ON 171ST STREET SOUTH. TIME IS RADAR ESTIMATED. |
| May 6, 3:12 AM CDT | TSTM WND DMG | 1 N Kiefer, OK | TREE LIMBS DOWN ON 141ST STREET. TIME IS RADAR ESTIMATED. |
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 00:00Z, 8.0 hours before the alert went out and 139 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
- 171 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 762 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 209 m²/s²
- 0-3 km storm-relative helicity
- 304 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 4.9
The text
As transmitted, in the capitals the NWS used until 2016.
521
WFUS54 KTSA 060757
TORTSA
OKC037-060815-
/O.NEW.KTSA.TO.W.0020.150506T0757Z-150506T0815Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
257 AM CDT WED MAY 6 2015
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
* TORNADO WARNING FOR...
EAST CENTRAL CREEK COUNTY IN NORTHEAST OKLAHOMA...
* UNTIL 315 AM CDT
* AT 256 AM CDT...A LINE OF SEVERE THUNDERSTORMS IS CAPABLE OF
PRODUCING TORNADOES ANYWHERE 5 MILES NORTHEAST OF SLICK...AND
MOVING NORTHEAST AT 45 MPH.
HAZARD...TORNADO.
SOURCE...RADAR INDICATED ROTATION.
IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
LIKELY.
* LOCATIONS IN OR NEAR THE PATH INCLUDE...MOUNDS...KIEFER AND
SAPULPA.
THIS INCLUDES INTERSTATE 44 BETWEEN MILE MARKERS 211 AND 215.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. GO TO A DESIGNED SHELTER SUCH AS A SAFE ROOM OR STORM
CELLAR IF AVAILABLE. OTHERWISE...MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF SEEKING SHELTER
IN A BASEMENT...BE SURE TO GET BENEATH SOMETHING STURDY. IF IN A
MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL
SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 3607 9608 3602 9603 3590 9603 3588 9604
3585 9613 3585 9619 3583 9620 3582 9623
3586 9627
TIME...MOT...LOC 0757Z 230DEG 41KT 3585 9622
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$1 follow-up statement
679
WWUS54 KTSA 060808
SVSTSA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
308 AM CDT WED MAY 6 2015
OKC037-060815-
/O.CON.KTSA.TO.W.0020.000000T0000Z-150506T0815Z/
CREEK OK-
308 AM CDT WED MAY 6 2015
...A TORNADO WARNING REMAINS IN EFFECT FOR EAST CENTRAL CREEK COUNTY
UNTIL 315 AM CDT...
AT 307 AM CDT...A LINE OF SEVERE THUNDERSTORMS IS CAPABLE OF
PRODUCING TORNADOES ANYWHERE NEAR KIEFER...AND MOVING NORTHEAST AT 45
MPH.
HAZARD...TORNADO.
SOURCE...RADAR INDICATED ROTATION.
IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS
LIKELY.
LOCATIONS IN OR NEAR THE PATH INCLUDE...KIEFER AND SAPULPA
THIS INCLUDES INTERSTATE 44 BETWEEN MILE MARKERS 210 AND 215.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW. GO TO A DESIGNED SHELTER SUCH AS A SAFE ROOM OR STORM
CELLAR IF AVAILABLE. OTHERWISE...MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF SEEKING SHELTER
IN A BASEMENT...BE SURE TO GET BENEATH SOMETHING STURDY. IF IN A
MOBILE HOME...A VEHICLE OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL
SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 3590 9608 3589 9616 3594 9619 3607 9608
3602 9603 3594 9603
TIME...MOT...LOC 0808Z 230DEG 41KT 3593 9613
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 6, 1:49 AM CDT | Special Weather Statement | TSA | Pawnee | 41 min |
| May 6, 2:10 AM CDT | Special Weather Statement | TSA | Creek, Okfuskee | 35 min |
| May 6, 2:41 AM CDT | Severe Thunderstorm Warning | TSA | Creek, Okmulgee | 49 min |
| May 6, 2:44 AM CDT | Special Weather Statement | TSA | Creek | 46 min |
| May 6, 3:05 AM CDT | Severe Thunderstorm Warning | TSA | Creek, Okmulgee, Rogers, Tulsa, Wagoner | 40 min |
| May 6, 3:15 AM CDT | Special Weather Statement | TSA | Washington | 45 min |
| May 6, 3:47 AM CDT | Special Weather Statement | TSA | Wagoner | 43 min |
| May 6, 3:51 AM CDT | Areal Flood Advisory | TSA | Creek, Okfuskee, Okmulgee | 84 min |
Nearby
Tornado Warnings in Oklahoma, 2015Every tornado warning in 2015Tornadoes in 2015
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.