Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 140, NWS Tulsa, OK

July 25, 20214 counties in Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Jul 25, 2021, 5:12 PM CDT for 4 counties in Oklahoma. It was in force for 33 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
Jul 25, 2021, 5:12 PM CDT (22:12 UTC)
Expired
Jul 25, 2021, 5:45 PM CDT
In force
33 min
Issued by
NWS Tulsa, OK
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Nowata County, OK, Osage County, OK, Rogers County, OK, Washington County, OK

The radar

The Tulsa radar (KINX), 50 km from the middle of the area, began a volume at 22:14 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

Springfield, MO (KSGF), launched 12:00Z, 10.2 hours before the alert went out and 195 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.

106 
WUUS54 KTSA 252212
SVRTSA
OKC105-113-131-147-252245-
/O.NEW.KTSA.SV.W.0140.210725T2212Z-210725T2245Z/

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

The National Weather Service in Tulsa has issued a

* Severe Thunderstorm Warning for...
  Northwestern Rogers County in northeastern Oklahoma...
  East central Osage County in northeastern Oklahoma...
  Southern Washington County in northeastern Oklahoma...
  Southwestern Nowata County in northeastern Oklahoma...

* Until 545 PM CDT.

* At 512 PM CDT, a severe thunderstorm was located 4 miles northwest
  of Ochelata, moving southeast at 35 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations in or near the path include...
  Bartlesville...                   Skiatook...
  Barnsdall...                      Ramona...
  Wynona...                         Ochelata...
  Avant...                          Vera...
  Bartlesville Municipal Airport... Watova...
  Okesa...                          Tallant...
  Pershing...                       Nelagoney...
  Wolco...                          

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3665 9561 3647 9577 3642 9588 3642 9600
      3637 9600 3630 9616 3657 9638 3679 9602
TIME...MOT...LOC 2212Z 316DEG 40KT 3663 9604 

HAIL...1.00IN
WIND...60MPH
 
$$

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, 5:35 PM CDTSevere Thunderstorm WarningTSAOsage, Rogers, Tulsa, Washington40 min
Jul 25, 5:54 PM CDTSevere Thunderstorm WarningTSARogers, Tulsa, Wagoner31 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.