Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 474, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Aug 6, 2011, 6:10 PM CDT for Tulsa County, Oklahoma. It was in force for 35 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
- Aug 6, 2011, 6:10 PM CDT (23:10 UTC)
- Expired
- Aug 6, 2011, 6:45 PM CDT
- In force
- 35 min
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
County Tulsa County, OK
The radar
The Tulsa radar (KINX), 26 km from the middle of the area, began a volume at 23:12 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 |
|---|---|---|---|
| Aug 6, 6:29 PM CDT | TSTM WND GST 60 | Tulsa, OK | THUNDERSTORM WIND GUST AT NWS OFFICE 11TH AND 169 ESTIMATED 60 MILES PER HOUR. |
| Aug 6, 6:30 PM CDT | TSTM WND DMG | 3 Nnw Broken Arrow, OK | SEVERAL LARGE TREES GREATER THAN 2 INCHES IN DIAMETER SPLIT AND BLOWN DOWN AT SHILOH NEIGHBORHOOD AT BATTLE CREEK. |
| Aug 6, 6:32 PM CDT | TSTM WND GST 70 | 4 N Broken Arrow, OK | SPOTTER REPORTED 60 TO 70 MILE PER HOUR WIND GUST AND DIME HAIL AT SAVAGE PARK. |
| Aug 6, 6:44 PM CDT | TSTM WND GST 63 | Jenks, OK | 55KT GUST MEASURED AT THE JENKS RIVERSIDE AIRPORT. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Lamont, OK (KLMN), launched 12:00Z, 11.2 hours before the alert went out and 157 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
- 144 J/kg
- Mixed-layer CIN
- -473 J/kg
- Mixed-layer LCL
- 2200 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- -37 m²/s²
- 0-3 km storm-relative helicity
- 127 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
050
WUUS54 KTSA 062310
SVRTSA
OKC143-062345-
/O.NEW.KTSA.SV.W.0474.110806T2310Z-110806T2345Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
610 PM CDT SAT AUG 6 2011
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
TULSA COUNTY IN NORTHEAST OKLAHOMA
* UNTIL 645 PM CDT
* AT 608 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR TULSA...
MOVING EAST-SOUTHEAST AT 5 MPH.
STORM HAZARDS INCLUDE...
WIND GUSTS TO 65 MPH...
* SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...TULSA
AND BROKEN ARROW.
THIS INCLUDES INTERSTATE 44 BETWEEN MILE MARKERS 220 AND 232.
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 3620 9581 3616 9581 3616 9578 3598 9576
3597 9576 3596 9603 3620 9600
TIME...MOT...LOC 2310Z 280DEG 11KT 3612 9592
$$2 follow-up statements
757
WWUS54 KTSA 062318
SVSTSA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
618 PM CDT SAT AUG 6 2011
OKC143-062345-
/O.CON.KTSA.SV.W.0474.000000T0000Z-110806T2345Z/
TULSA OK-
618 PM CDT SAT AUG 6 2011
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM CDT FOR
CENTRAL TULSA COUNTY...
AT 616 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR TULSA...MOVING
EAST-SOUTHEAST AT 5 MPH. THIS STORM HAS DOWNED TREES AND POWERLINES
IN TULSA.
STORM HAZARDS INCLUDE...
DAMAGING WIND GUSTS TO 70 MPH...
FREQUENT CLOUD TO GROUND LIGHTNING...
SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...TULSA AND
BROKEN ARROW.
THIS INCLUDES INTERSTATE 44 BETWEEN MILE MARKERS 220 AND 232.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PEOPLE OUTSIDE SHOULD MOVE TO A SAFE SHELTER...PREFERABLY INSIDE A
STRONG BUILDING. STAY AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
&&
LAT...LON 3620 9581 3616 9581 3616 9578 3598 9576
3597 9576 3596 9603 3620 9600
TIME...MOT...LOC 2317Z 280DEG 11KT 3612 9589
$$049
WWUS54 KTSA 062324
SVSTSA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
624 PM CDT SAT AUG 6 2011
OKC143-062345-
/O.CON.KTSA.SV.W.0474.000000T0000Z-110806T2345Z/
TULSA OK-
624 PM CDT SAT AUG 6 2011
...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM CDT FOR
CENTRAL TULSA COUNTY...
AT 620 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER TULSA...MOVING
EAST AT 5 MPH. A NUMBER OF REPORTS OF WIND DAMAGE ARE BEING
RECEVIVED FROM TULSA.
STORM HAZARDS INCLUDE...
DAMAGING WIND GUSTS TO 75 MPH...
FREQUENT CLOUD TO GROUND LIGHTNING...
SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...TULSA AND
BROKEN ARROW.
THIS INCLUDES INTERSTATE 44 BETWEEN MILE MARKERS 220 AND 232.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS STORM HAS A HISTORY OF PRODUCING DAMAGING WINDS. SEEK SHELTER
IMMEDIATELY INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.
MOBILE HOMES AND HIGH PROFILE VEHICLES ARE ESPECIALLY SUSCEPTIBLE TO
HIGH WINDS AND MAY BE OVERTURNED.
&&
LAT...LON 3620 9581 3616 9581 3616 9578 3598 9576
3597 9576 3596 9603 3620 9600
TIME...MOT...LOC 2323Z 280DEG 5KT 3612 9587
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 6, 3:09 PM CDT | Fire Weather Watch | TSA | Craig, Creek, McIntosh, Mayes, Muskogee, Nowata and 9 more | 36 hr |
| Aug 6, 4:33 PM CDT | Severe Thunderstorm Warning | TSA | Cherokee, Mayes, Wagoner | 20 min |
| Aug 6, 5:41 PM CDT | Special Weather Statement | TSA | Creek | 49 min |
| Aug 6, 5:48 PM CDT | Special Weather Statement | TSA | Tulsa | 27 min |
| Aug 6, 6:00 PM CDT | Special Weather Statement | TSA | Wagoner | 30 min |
| Aug 6, 6:20 PM CDT | Severe Thunderstorm Warning | TSA | Creek | 40 min |
| Aug 6, 6:27 PM CDT | Special Weather Statement | TSA | Tulsa | 33 min |
| Aug 6, 6:35 PM CDT | Severe Thunderstorm Warning | TSA | Rogers, Tulsa, Wagoner | 40 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.