Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 80, NWS Tulsa, OK

May 18, 2019Choctaw County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at May 18, 2019, 12:35 PM CDT for Choctaw County, Oklahoma. It was in force for 25 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
May 18, 2019, 12:35 PM CDT (17:35 UTC)
Expired
May 18, 2019, 1:00 PM CDT
In force
25 min
Issued by
NWS Tulsa, OK
Area
Storm-based polygon
Tornado
Possible
Hail
0.75 in
Wind
70.0 mph

County Choctaw County, OK

The radar

The Western Arkansas radar (KSRX), 188 km from the middle of the area, began a volume at 17:37 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 18, 9:10 AM CDTTornado WatchSPC8 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 5.6 hours before the alert went out and 201 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, Fort Worth, TX at 12:00Z on 2019-05-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2163 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, Fort Worth, TX at 12:00Z on 2019-05-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 302 square meters per square second.19395878Sfc1 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
2163 J/kg
Mixed-layer CIN
-64 J/kg
Mixed-layer LCL
722 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
302 m²/s²
0-3 km storm-relative helicity
311 m²/s²
Significant tornado parameter
3.0
Supercell composite
16.5

Open this sounding in Storm Lab

The text

As transmitted.

382 
WUUS54 KTSA 181735
SVRTSA
OKC023-181800-
/O.NEW.KTSA.SV.W.0080.190518T1735Z-190518T1800Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tulsa OK
1235 PM CDT Sat May 18 2019

The National Weather Service in Tulsa has issued a

* Severe Thunderstorm Warning for...
  Choctaw County in southeastern Oklahoma...

* Until 100 PM CDT.

* At 1235 PM CDT, severe thunderstorms were located along a line
  extending from 3 miles southwest of Antlers to 11 miles south of
  Boswell, moving east at 35 mph.

  HAZARD...70 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect considerable tree damage. Damage is likely to 
           mobile homes, roofs, and outbuildings.

* Locations in or near the path include...
  Hugo...                           Boswell...
  Fort Towson...                    Sawyer...
  Soper...                          Kent...
  Goodland...                       Messer...
  Hugo Lake State Park...           Raymond Gary State Park...
  Grant...                          Ord...
  Fallon...                         Frogville...
  Apple...                          Speer...
  Huskey...                         Unger...
  Gay...                            

A Tornado Watch remains in effect until 500 PM CDT for southeastern
Oklahoma.

LAT...LON 3387 9581 3388 9585 3395 9594 3415 9595
      3416 9521 3396 9523 3390 9528 3387 9529
      3389 9533 3387 9539 3387 9546 3389 9546
      3387 9550 3389 9551 3388 9554 3393 9556
      3394 9560 3389 9569 3390 9575 3387 9577
TIME...MOT...LOC 1735Z 265DEG 31KT 3419 9565 3387 9581 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...70MPH
 
$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 18, 8:41 AM CDTSpecial Weather StatementTSATulsa34 min
May 18, 8:58 AM CDTSpecial Weather StatementTSATulsa32 min
May 18, 9:26 AM CDTSpecial Weather StatementTSACreek, Pawnee64 min
May 18, 10:02 AM CDTSpecial Weather StatementTSAOkfuskee58 min
May 18, 10:14 AM CDTSpecial Weather StatementTSAOsage61 min
May 18, 10:18 AM CDTSevere Thunderstorm WarningTSAOsage42 min
May 18, 10:22 AM CDTSevere Thunderstorm WarningTSACreek, Okfuskee, Okmulgee53 min
May 18, 10:26 AM CDTSpecial Weather StatementTSACraig34 min
May 18, 10:47 AM CDTSpecial Weather StatementTSAMcIntosh, Okmulgee, Rogers, Tulsa, Wagoner58 min
May 18, 11:00 AM CDTSevere Thunderstorm WarningTSARogers, Tulsa, Wagoner60 min
May 18, 11:06 AM CDTTornado WarningTSARogers, Tulsa, Wagoner39 min
May 18, 11:14 AM CDTSevere Thunderstorm WarningTSAMcIntosh, Muskogee, Okfuskee, Okmulgee, Tulsa, Wagoner61 min
May 18, 11:22 AM CDTSpecial Weather StatementTSANowata, Washington38 min
May 18, 11:27 AM CDTSevere Thunderstorm WarningTSALatimer, McIntosh, Pittsburg, Pushmataha48 min
May 18, 11:33 AM CDTTornado WarningTSARogers27 min
May 18, 11:43 AM CDTTornado WarningTSAMayes, Rogers, Wagoner47 min
May 18, 11:46 AM CDTSevere Thunderstorm WarningTSACherokee, Craig, Mayes, Nowata, Rogers, Wagoner59 min
May 18, 11:56 AM CDTTornado WarningTSACherokee, Wagoner49 min
May 18, 11:58 AM CDTTornado WarningTSACraig, Mayes, Rogers47 min
May 18, 11:58 AM CDTTornado WarningTSALatimer, Pittsburg17 min
May 18, 12:05 PM CDTSevere Thunderstorm WarningTSACherokee, Haskell, McIntosh, Muskogee, Sequoyah55 min
May 18, 12:10 PM CDTSevere Thunderstorm WarningTSAHaskell, Latimer, McIntosh, Muskogee, Pittsburg, Pushmataha50 min
May 18, 12:30 PM CDTSevere Thunderstorm WarningTSAAdair, Cherokee, Craig, Delaware, Mayes, Ottawa45 min
May 18, 12:40 PM CDTSevere Thunderstorm WarningTSACraig, Ottawa50 min
May 18, 12:45 PM CDTTornado WarningTSAHaskell15 min
May 18, 12:55 PM CDTSevere Thunderstorm WarningTSAAdair, Cherokee, Haskell, McIntosh, Muskogee, Sequoyah50 min
May 18, 12:57 PM CDTSevere Thunderstorm WarningTSAChoctaw, Haskell, Latimer, LeFlore, McIntosh, Muskogee and 3 more48 min
May 18, 1:07 PM CDTTornado WarningTSAHaskell17 min
May 18, 1:08 PM CDTSevere Thunderstorm WarningTSAAdair, Cherokee, Delaware, Ottawa67 min
May 18, 1:11 PM CDTTornado WarningTSALeFlore34 min
May 18, 1:21 PM CDTTornado WarningTSAHaskell, LeFlore24 min
May 18, 1:34 PM CDTSevere Thunderstorm WarningTSAAdair, Cherokee, Haskell, Latimer, LeFlore, Pushmataha and 1 more41 min
May 18, 1:38 PM CDTTornado WarningTSALeFlore30 min
May 18, 4:54 PM CDTSpecial Weather StatementTSAChoctaw, Pushmataha36 min
May 18, 6:04 PM CDTSpecial Weather StatementTSAChoctaw26 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.