Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 142, NWS Tulsa, OK

July 25, 2021Rogers County, Tulsa County, Wagoner County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Jul 25, 2021, 5:54 PM CDT for Rogers County, Tulsa County, Wagoner County, Oklahoma. It was in force for 31 min. 6 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
Jul 25, 2021, 5:54 PM CDT (22:54 UTC)
Expired
Jul 25, 2021, 6:25 PM CDT
In force
31 min
Issued by
NWS Tulsa, OK
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Rogers County, OK, Tulsa County, OK, Wagoner County, OK

The radar

The Tulsa radar (KINX), 17 km from the middle of the area, began a volume at 22:56 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

TimeReportWhereRemark
Jul 25, 6:00 PM CDTTSTM WND DMGOwasso, OKPICTURE RELAYED VIA SOCIAL MEDIA OF 6-12 INCH DIAMETER TREE BRANCH BLOWN OVER ONTO CAR.
Jul 25, 6:01 PM CDTTSTM WND DMG4 Se Collinsville, OKLIMBS DOWN, SHINGLES BLOWN OFF ROOFS
Jul 25, 6:01 PM CDTTSTM WND DMG4 Sse Collinsville, OKREPORT FROM MPING: 1-INCH TREE LIMBS BROKEN; SHINGLES BLOWN OFF.
Jul 25, 6:01 PM CDTTSTM WND GST 635 Nne Tulsa, OKTUL ASOS MEASURED PEAK WIND GUST OF 63 MPH.
Jul 25, 6:15 PM CDTTSTM WND DMG4 Nnw Broken Arrow, OKNWS EMPLOYEE REPORTS 1 INCH TREE LIMBS BROKEN AND SHINGLES BLOWN OFF. TIME ESTIMATED FROM RADAR.
Jul 25, 6:19 PM CDTTSTM WND DMG2 Sse Collinsville, OKREPORT FROM MPING: 3-INCH TREE LIMBS BROKEN; POWER POLES BROKEN.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 10.9 hours before the alert went out and 180 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.

Skew-T log-pSkew-T log-p diagram, Springfield, MO at 12:00Z on 2021-07-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2314 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 12:00Z on 2021-07-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 73 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
2314 J/kg
Mixed-layer CIN
-19 J/kg
Mixed-layer LCL
992 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
73 m²/s²
0-3 km storm-relative helicity
53 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

733 
WUUS54 KTSA 252254
SVRTSA
OKC131-143-145-252345-
/O.NEW.KTSA.SV.W.0142.210725T2254Z-210725T2345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tulsa OK
554 PM CDT Sun Jul 25 2021

The National Weather Service in Tulsa has issued a

* Severe Thunderstorm Warning for...
  Southern Rogers County in northeastern Oklahoma...
  Northwestern Wagoner County in northeastern Oklahoma...
  Northeastern Tulsa County in northeastern Oklahoma...

* Until 645 PM CDT.

* At 554 PM CDT, a severe thunderstorm was located over Collinsville,
  moving southeast at 30 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations in or near the path include...
  Tulsa...                          Broken Arrow...
  Claremore...                      Owasso...
  Skiatook...                       Catoosa...
  Collinsville...                   Verdigris...
  Inola...                          Taiwah...
  Tiawah...                         

This includes Interstate 44 between mile markers 230 and 252.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3626 9543 3625 9544 3617 9544 3601 9580
      3636 9595 3642 9583 3642 9581 3643 9581
      3646 9576
TIME...MOT...LOC 2254Z 327DEG 25KT 3635 9581 

HAIL...<.75IN
WIND...60MPH
 
$$
1 follow-up statement
738 
WWUS54 KTSA 252325
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
625 PM CDT Sun Jul 25 2021

OKC131-143-145-252335-
/O.CAN.KTSA.SV.W.0142.000000T0000Z-210725T2345Z/
Rogers OK-Wagoner OK-Tulsa OK-
625 PM CDT Sun Jul 25 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN ROGERS...NORTHWESTERN
WAGONER AND NORTHEASTERN TULSA COUNTIES IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.  However gusty winds and
heavy rain are still possible with this thunderstorm.

LAT...LON 3626 9543 3625 9544 3617 9544 3601 9580
      3636 9595 3642 9583 3642 9581 3643 9581
      3646 9576
TIME...MOT...LOC 2321Z 327DEG 25KT 3617 9566 

$$

The office that day

Everything else NWS Tulsa, OK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 25, 3:02 PM CDTHeat AdvisoryTSAAdair, Cherokee, Choctaw, Craig, Creek, Delaware and 16 more29 hr
Jul 25, 3:59 PM CDTSpecial Weather StatementTSACraig31 min
Jul 25, 4:14 PM CDTSpecial Weather StatementTSANowata31 min
Jul 25, 4:17 PM CDTSpecial Weather StatementTSAOsage28 min
Jul 25, 4:35 PM CDTSpecial Weather StatementTSAOsage25 min
Jul 25, 4:55 PM CDTSevere Thunderstorm WarningTSAOsage, Washington35 min
Jul 25, 5:12 PM CDTSevere Thunderstorm WarningTSANowata, Osage, Rogers, Washington33 min
Jul 25, 5:35 PM CDTSevere Thunderstorm WarningTSAOsage, Rogers, Tulsa, Washington40 min
Jul 25, 6:02 PM CDTSpecial Weather StatementTSACreek, Okmulgee43 min
Jul 25, 6:24 PM CDTSpecial Weather StatementTSATulsa, Wagoner51 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2021Every severe thunderstorm warning in 2021

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.