Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 252, NWS Tulsa, OK

July 21, 20195 counties in Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Jul 21, 2019, 10:54 PM CDT for 5 counties in Oklahoma. It was in force for 44 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 21, 2019, 10:54 PM CDT (03:54 UTC)
Expired
Jul 21, 2019, 11:38 PM CDT
In force
44 min
Issued by
NWS Tulsa, OK
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Craig County, OK, Mayes County, OK, Nowata County, OK, Rogers County, OK, Washington County, OK

The radar

The Tulsa radar (KINX), 39 km from the middle of the area, began a volume at 03:53 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 00:00Z, 3.9 hours before the alert went out and 162 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 00:00Z on 2019-07-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1339 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 2019-07-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 33 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
1339 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
1553 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
33 m²/s²
0-3 km storm-relative helicity
92 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.8

Open this sounding in Storm Lab

The text

As transmitted.

221 
WUUS54 KTSA 220354
SVRTSA
OKC035-097-105-131-147-220500-
/O.NEW.KTSA.SV.W.0252.190722T0354Z-190722T0500Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tulsa OK
1054 PM CDT Sun Jul 21 2019

The National Weather Service in Tulsa has issued a

* Severe Thunderstorm Warning for...
  Southern Craig County in northeastern Oklahoma...
  Northern Rogers County in northeastern Oklahoma...
  Northwestern Mayes County in northeastern Oklahoma...
  Southeastern Washington County in northeastern Oklahoma...
  Southeastern Nowata County in northeastern Oklahoma...

* Until midnight CDT.

* At 1054 PM CDT, severe thunderstorms were located along a line
  extending from 7 miles east of Delaware to Watova to 3 miles
  northeast of Vera, moving east 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...
  Claremore...                      Vinita...
  Nowata...                         Chelsea...
  Oologah...                        Adair...
  Foyil...                          Talala...
  Big Cabin...                      New Alluwe...
  Watova...                         White Oak...
  Bushyhead...                      

This includes Interstate 44 between mile markers 248 and 287.
 
LAT...LON 3671 9506 3643 9523 3629 9561 3641 9579
      3642 9580 3642 9582 3648 9591 3662 9570
      3678 9555
TIME...MOT...LOC 0354Z 281DEG 19KT 3680 9551 3660 9565 3649 9585 

HAIL...<.75IN
WIND...60MPH
 
$$
2 follow-up statements
418 
WWUS54 KTSA 220428
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
1128 PM CDT Sun Jul 21 2019

OKC105-147-220438-
/O.CAN.KTSA.SV.W.0252.000000T0000Z-190722T0500Z/
Washington OK-Nowata OK-
1128 PM CDT Sun Jul 21 2019

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN WASHINGTON AND
SOUTHEASTERN NOWATA COUNTIES IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area therefore the warning has been cancelled.

LAT...LON 3671 9506 3643 9523 3629 9561 3636 9572
      3645 9559 3656 9537 3674 9528
TIME...MOT...LOC 0428Z 296DEG 29KT 3668 9522 3648 9536 3638 9556 

$$

OKC035-097-131-220500-
/O.CON.KTSA.SV.W.0252.000000T0000Z-190722T0500Z/
Craig OK-Rogers OK-Mayes OK-
1128 PM CDT Sun Jul 21 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT
FOR SOUTHERN CRAIG...CENTRAL ROGERS AND NORTHWESTERN MAYES
COUNTIES...

At 1128 PM CDT, severe thunderstorms were located along a line
extending from 4 miles northwest of Vinita to 5 miles southeast of
Chelsea to 4 miles southwest of Foyil, moving southeast at 35 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations in or near the path include...
Claremore...                      Vinita...
Chelsea...                        Adair...
Foyil...                          Big Cabin...
White Oak...                      Bushyhead...

This includes Interstate 44 between mile markers 248 and 287.
 
LAT...LON 3671 9506 3643 9523 3629 9561 3636 9572
      3645 9559 3656 9537 3674 9528
TIME...MOT...LOC 0428Z 296DEG 29KT 3668 9522 3648 9536 3638 9556 

HAIL...<.75IN
WIND...60MPH
 
$$
937 
WWUS54 KTSA 220438
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
1138 PM CDT Sun Jul 21 2019

OKC035-097-131-220448-
/O.CAN.KTSA.SV.W.0252.000000T0000Z-190722T0500Z/
Craig OK-Rogers OK-Mayes OK-
1138 PM CDT Sun Jul 21 2019

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN CRAIG...CENTRAL
ROGERS AND NORTHWESTERN MAYES COUNTIES IS CANCELLED...
    
The storms which prompted the warning have weakened below severe
limits, and have exited the warned area. Therefore the warning has 
been cancelled.  However gusty winds to 40 mph are still possible 
with the remaining thunderstorms.

LAT...LON 3671 9506 3643 9523 3629 9561 3636 9572
      3645 9559 3656 9537 3674 9528
TIME...MOT...LOC 0436Z 281DEG 19KT 3667 9516 3647 9530 3637 9550 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 21, 9:11 PM CDTSpecial Weather StatementTSAOsage34 min
Jul 21, 9:17 PM CDTSpecial Weather StatementTSAOsage28 min
Jul 21, 9:27 PM CDTSpecial Weather StatementTSANowata48 min
Jul 21, 9:33 PM CDTSpecial Weather StatementTSAOsage42 min
Jul 21, 9:47 PM CDTSpecial Weather StatementTSAOsage43 min
Jul 21, 9:48 PM CDTSevere Thunderstorm WarningTSACraig, Nowata42 min
Jul 21, 9:52 PM CDTSevere Thunderstorm WarningTSACraig, Delaware, Ottawa38 min
Jul 21, 10:09 PM CDTSevere Thunderstorm WarningTSANowata, Osage, Rogers, Washington51 min
Jul 21, 10:29 PM CDTSpecial Weather StatementTSACraig, Ottawa31 min
Jul 21, 10:40 PM CDTSpecial Weather StatementTSARogers, Tulsa35 min
Jul 21, 11:24 PM CDTSpecial Weather StatementTSADelaware, Mayes51 min
Jul 22, 12:07 AM CDTSpecial Weather StatementTSARogers, Tulsa38 min
Jul 22, 12:10 AM CDTSpecial Weather StatementTSAAdair35 min
Jul 22, 12:16 AM CDTSevere Thunderstorm WarningTSARogers, Tulsa44 min
Jul 22, 12:45 AM CDTSpecial Weather StatementTSAWagoner45 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2019Every severe thunderstorm warning in 2019

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.