Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 252, NWS Tulsa, OK

July 10, 2020Choctaw County, Pushmataha County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Jul 10, 2020, 2:48 PM CDT for Choctaw County, Pushmataha County, Oklahoma. It was in force for 42 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 10, 2020, 2:48 PM CDT (19:48 UTC)
Expired
Jul 10, 2020, 3:30 PM CDT
In force
42 min
Issued by
NWS Tulsa, OK
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Choctaw County, OK, Pushmataha County, OK

The radar

The Western Arkansas radar (KSRX), 148 km from the middle of the area, began a volume at 19:51 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, 7.8 hours before the alert went out and 230 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, Norman, OK at 12:00Z on 2020-07-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 901 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, Norman, OK at 12:00Z on 2020-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 76 square meters per square second.193958Sfc1 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
901 J/kg
Mixed-layer CIN
-265 J/kg
Mixed-layer LCL
1331 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
76 m²/s²
0-3 km storm-relative helicity
105 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted.

030 
WUUS54 KTSA 101948
SVRTSA
OKC023-127-102030-
/O.NEW.KTSA.SV.W.0252.200710T1948Z-200710T2030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tulsa OK
248 PM CDT Fri Jul 10 2020

The National Weather Service in Tulsa has issued a

* Severe Thunderstorm Warning for...
  Southeastern Pushmataha County in southeastern Oklahoma...
  Northeastern Choctaw County in southeastern Oklahoma...

* Until 330 PM CDT.

* At 248 PM CDT, a severe thunderstorm was located near Oleta, moving
  southeast at 15 mph.

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

  SOURCE...Radar indicated.

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

* Locations in or near the path include...
  Fort Towson...                    Rattan...
  Hugo Lake State Park...           Oleta...
  Messer...                         Corinne...
  Apple...                          Sobol...
  Swink...                          

LAT...LON 3407 9550 3429 9540 3426 9505 3424 9506
      3424 9515 3416 9515 3416 9516 3400 9516
TIME...MOT...LOC 1948Z 294DEG 14KT 3417 9531 

HAIL...0.75IN
WIND...60MPH
 
$$
2 follow-up statements
571 
WWUS54 KTSA 102013
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
313 PM CDT Fri Jul 10 2020

OKC127-102023-
/O.CAN.KTSA.SV.W.0252.000000T0000Z-200710T2030Z/
Pushmataha OK-
313 PM CDT Fri Jul 10 2020

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN PUSHMATAHA COUNTY
IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore the warning has been cancelled.

LAT...LON 3407 9550 3416 9542 3416 9526 3415 9520
      3400 9516
TIME...MOT...LOC 2013Z 007DEG 13KT 3408 9533 

$$

OKC023-102030-
/O.CON.KTSA.SV.W.0252.000000T0000Z-200710T2030Z/
Choctaw OK-
313 PM CDT Fri Jul 10 2020

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM CDT
FOR NORTHEASTERN CHOCTAW COUNTY...

At 313 PM CDT, a severe thunderstorm was located near Hugo Lake State
Park, moving south at 15 mph.

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

SOURCE...Radar indicated.

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

Locations in or near the path include...
Fort Towson...                    Hugo Lake State Park...
Messer...                         Apple...
Swink...                          

LAT...LON 3407 9550 3416 9542 3416 9526 3415 9520
      3400 9516
TIME...MOT...LOC 2013Z 007DEG 13KT 3408 9533 

HAIL...0.75IN
WIND...60MPH
 
$$

Lacy
253 
WWUS54 KTSA 102033
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
333 PM CDT Fri Jul 10 2020

OKC023-102042-
/O.EXP.KTSA.SV.W.0252.000000T0000Z-200710T2030Z/
Choctaw OK-
333 PM CDT Fri Jul 10 2020

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN CHOCTAW COUNTY
HAS EXPIRED...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore the warning has
been allowed to expire.

LAT...LON 3407 9550 3416 9542 3416 9526 3415 9520
      3400 9516
TIME...MOT...LOC 2032Z 294DEG 14KT 3405 9526 

$$

Lacy

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 10, 10:41 AM CDTSpecial Weather StatementTSARogers34 min
Jul 10, 11:00 AM CDTAreal Flood AdvisoryTSACreek, Tulsa, Wagoner3 hr
Jul 10, 11:02 AM CDTSpecial Weather StatementTSATulsa28 min
Jul 10, 11:07 AM CDTSpecial Weather StatementTSAOkfuskee38 min
Jul 10, 11:40 AM CDTSpecial Weather StatementTSAWagoner35 min
Jul 10, 12:43 PM CDTSpecial Weather StatementTSAHaskell, Muskogee32 min
Jul 10, 1:16 PM CDTSpecial Weather StatementTSAHaskell, LeFlore59 min
Jul 10, 1:38 PM CDTSpecial Weather StatementTSAPittsburg37 min
Jul 10, 1:46 PM CDTSevere Thunderstorm WarningTSALatimer, LeFlore42 min
Jul 10, 2:02 PM CDTSpecial Weather StatementTSAPushmataha43 min
Jul 10, 2:28 PM CDTSpecial Weather StatementTSALeFlore62 min
Jul 10, 2:38 PM CDTSpecial Weather StatementTSAPushmataha37 min
Jul 10, 3:15 PM CDTSpecial Weather StatementTSAPushmataha30 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2020Every severe thunderstorm warning in 2020

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.