Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 552, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Nov 7, 2011, 5:27 PM CST for Osage County, Oklahoma. It was in force for 48 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
- Nov 7, 2011, 5:27 PM CST (23:27 UTC)
- Expired
- Nov 7, 2011, 6:15 PM CST
- In force
- 48 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
County Osage County, OK
The radar
The Wichita radar (KICT), 116 km from the middle of the area, began a volume at 23:29 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 nearest sounding before it
Norman, OK (KOUN), launched 12:00Z, 11.5 hours before the alert went out and 177 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
- 1081 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 482 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 201 m²/s²
- 0-3 km storm-relative helicity
- 163 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 4.1
The text
As transmitted, in the capitals the NWS used until 2016.
454
WUUS54 KTSA 072327
SVRTSA
OKC113-080015-
/O.NEW.KTSA.SV.W.0552.111107T2327Z-111108T0015Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
527 PM CST MON NOV 7 2011
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHWESTERN OSAGE COUNTY IN NORTHEAST OKLAHOMA
* UNTIL 615 PM CST
* AT 524 PM CST...A SEVERE THUNDERSTORM WAS LOCATED 11 MILES WEST OF
BURBANK...MOVING EAST AT 40 MPH.
STORM HAZARDS INCLUDE...
WIND GUSTS TO 60 MPH...
* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
BURBANK...SHIDLER...GRAINOLA...FORAKER AND PEARSONIA.
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 3700 9650 3668 9633 3655 9690 3659 9692
3658 9700 3658 9702 3670 9706 3670 9703
3669 9695 3675 9689 3675 9683 3677 9682
3679 9676 3701 9675
TIME...MOT...LOC 2326Z 255DEG 36KT 3664 9690
$$2 follow-up statements
237
WWUS54 KTSA 072338
SVSTSA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
538 PM CST MON NOV 7 2011
OKC113-080015-
/O.CON.KTSA.SV.W.0552.000000T0000Z-111108T0015Z/
OSAGE OK-
538 PM CST MON NOV 7 2011
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM CST FOR
NORTHWESTERN OSAGE COUNTY...
AT 537 PM CST...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 6 MILES NORTHWEST OF GRAINOLA TO WEBB CITY TO 16 MILES
SOUTHWEST OF BURBANK...MOVING EAST AT 40 MPH.
STORM HAZARDS INCLUDE...
QUARTER SIZE HAIL...
DAMAGING WIND GUSTS TO 70 MPH...
SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
GRAINOLA...SHIDLER...BURBANK...FORAKER AND PEARSONIA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PEOPLE OUTSIDE SHOULD MOVE TO A SAFE SHELTER...PREFERABLY INSIDE A
STRONG BUILDING. STAY AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
&&
LAT...LON 3700 9650 3668 9633 3655 9690 3659 9692
3658 9700 3658 9702 3670 9706 3670 9703
3669 9695 3675 9689 3675 9683 3677 9682
3679 9676 3701 9675
TIME...MOT...LOC 2338Z 257DEG 36KT 3698 9674 3684 9667
3654 9693
$$269
WWUS54 KTSA 080002
SVSTSA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
602 PM CST MON NOV 7 2011
OKC113-080015-
/O.CON.KTSA.SV.W.0552.000000T0000Z-111108T0015Z/
OSAGE OK-
602 PM CST MON NOV 7 2011
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM CST FOR
NORTHWESTERN OSAGE COUNTY...
AT 558 PM CST...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 13 MILES NORTHEAST OF GRAINOLA TO 10 MILES NORTHEAST
OF FORAKER TO 8 MILES SOUTH OF BURBANK...MOVING EAST AT 40 MPH.
STORM HAZARDS INCLUDE...
QUARTER SIZE HAIL...
WIND GUSTS TO 60 MPH...
SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...PEARSONIA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH IS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP SUDDENLY FROM SEVERE THUNDERSTORMS. IF YOU ARE NEAR THE PATH
OF THIS STORM...YOU SHOULD BE ALERT FOR RAPIDLY CHANGING WEATHER
CONDITIONS AND BE READY TO ACT QUICKLY.
&&
LAT...LON 3700 9650 3668 9633 3655 9690 3659 9692
3675 9683 3679 9676 3701 9675
TIME...MOT...LOC 0002Z 257DEG 36KT 3711 9650 3700 9643
3659 9665
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 7, 5:15 PM CST | Special Weather Statement | TSA | Kay | 45 min |
Nearby
Severe Thunderstorm Warnings in Oklahoma, 2011Every severe thunderstorm warning in 2011
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.