Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2015
Severe Thunderstorm Warning 113, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at May 6, 2015, 2:41 AM CDT for Creek County, Okmulgee County, Oklahoma. It was in force for 49 min. 4 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, 2:41 AM CDT (07:41 UTC)
- Expired
- May 6, 2015, 3:30 AM CDT
- In force
- 49 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Creek County, OK, Okmulgee County, OK
The radar
The Tulsa radar (KINX), 61 km from the middle of the area, began a volume at 07:40 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, 2:50 AM CDT | TSTM WND DMG | 4 S Bristow, OK | MOST OF THE TOP OF AN OAK TREE SNAPPED OFF. TWO ADDITIONAL TREE UPROOTED. BROKEN LIMB DOWNS POWER LINE ON 281ST. 4 SOUTH ON HWY 48 AND 1 MILE EAST |
| 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, 7.7 hours before the alert went out and 136 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.
735
WUUS54 KTSA 060741
SVRTSA
OKC037-111-060830-
/O.NEW.KTSA.SV.W.0113.150506T0741Z-150506T0830Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
241 AM CDT WED MAY 6 2015
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EASTERN CREEK COUNTY IN NORTHEAST OKLAHOMA...
NORTHWESTERN OKMULGEE COUNTY IN NORTHEAST OKLAHOMA...
* UNTIL 330 AM CDT
* AT 240 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM BRISTOW TO 5 MILES SOUTH OF BRISTOW TO WELTY...AND
MOVING NORTHEAST AT 40 MPH.
HAZARD...60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED.
IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES.
* LOCATIONS IN OR NEAR THE PATH INCLUDE...SLICK...KELLYVILLE...
SAPULPA...KIEFER AND MOUNDS.
THIS INCLUDES INTERSTATE 44 BETWEEN MILE MARKERS 189 AND 213.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
INTENSE SQUALL LINES CAN SOMETIMES PRODUCE BRIEF TORNADOES AND
WIDESPREAD SIGNIFICANT WIND DAMAGE. ALTHOUGH A TORNADO IS NOT
IMMEDIATELY LIKELY...IT IS BEST TO MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR OF A BUILDING. THIS STORM MAY CAUSE SERIOUS INJURY AND
SIGNIFICANT PROPERTY DAMAGE.
&&
LAT...LON 3608 9615 3608 9613 3600 9603 3597 9603
3576 9608 3563 9638 3585 9644
TIME...MOT...LOC 0741Z 227DEG 36KT 3586 9640 3576 9637
3564 9636
HAIL...<.75IN
WIND...60MPH
$$2 follow-up statements
997
WWUS54 KTSA 060809
SVSTSA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
309 AM CDT WED MAY 6 2015
OKC037-111-060830-
/O.CON.KTSA.SV.W.0113.000000T0000Z-150506T0830Z/
CREEK OK-OKMULGEE OK-
309 AM CDT WED MAY 6 2015
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHWESTERN
OKMULGEE AND EAST CENTRAL CREEK COUNTIES UNTIL 330 AM CDT...
AT 307 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM SAPULPA TO KIEFER TO 5 MILES SOUTHWEST OF MOUNDS...AND
MOVING NORTHEAST AT 40 MPH.
HAZARD...60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED.
IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES.
LOCATIONS IN OR NEAR THE PATH INCLUDE...SAPULPA...KIEFER AND MOUNDS
THIS INCLUDES INTERSTATE 44 BETWEEN MILE MARKERS 204 AND 213.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
INTENSE SQUALL LINES CAN SOMETIMES PRODUCE BRIEF TORNADOES AND
WIDESPREAD SIGNIFICANT WIND DAMAGE. ALTHOUGH A TORNADO IS NOT
IMMEDIATELY LIKELY...IT IS BEST TO MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR OF A BUILDING. THIS STORM MAY CAUSE SERIOUS INJURY AND
SIGNIFICANT PROPERTY DAMAGE.
&&
LAT...LON 3608 9615 3608 9613 3600 9603 3597 9603
3576 9608 3571 9619 3600 9623
TIME...MOT...LOC 0809Z 227DEG 36KT 3605 9615 3595 9612
3583 9611
HAIL...<.75IN
WIND...60MPH
$$598
WWUS54 KTSA 060827
SVSTSA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
327 AM CDT WED MAY 6 2015
OKC037-111-060837-
/O.EXP.KTSA.SV.W.0113.000000T0000Z-150506T0830Z/
CREEK OK-OKMULGEE OK-
327 AM CDT WED MAY 6 2015
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN OKMULGEE AND
EASTERN CREEK COUNTIES WILL EXPIRE AT 330 AM CDT...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE
WARNED AREA.
LAT...LON 3608 9615 3608 9613 3600 9603 3597 9603
3576 9608 3571 9619 3600 9623
TIME...MOT...LOC 0827Z 227DEG 36KT 3617 9599 3607 9596
3595 9595
$$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, 2:44 AM CDT | Special Weather Statement | TSA | Creek | 46 min |
| May 6, 2:57 AM CDT | Tornado Warning | TSA | Creek | 18 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
Severe Thunderstorm Warnings in Oklahoma, 2015Every severe thunderstorm warning 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.