Alert archive / Oklahoma / Tornado Warnings in 2019

Tornado Warning 40, NWS Tulsa, OK

May 18, 2019Haskell County, LeFlore County, Oklahoma

NWS Tulsa, OK issued this tornado warning at May 18, 2019, 1:21 PM CDT for Haskell County, LeFlore County, Oklahoma. It was in force for 24 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, 1:21 PM CDT (18:21 UTC)
Expired
May 18, 2019, 1:45 PM CDT
In force
24 min
Issued by
NWS Tulsa, OK
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Haskell County, OK, LeFlore County, OK

The radar

The Western Arkansas radar (KSRX), 37 km from the middle of the area, began a volume at 18:21 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

Springfield, MO (KSGF), launched 12:00Z, 6.4 hours before the alert went out and 204 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 2019-05-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 717 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 2019-05-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 345 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
717 J/kg
Mixed-layer CIN
-216 J/kg
Mixed-layer LCL
969 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
345 m²/s²
0-3 km storm-relative helicity
385 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

316 
WFUS54 KTSA 181821
TORTSA
OKC061-079-181845-
/O.NEW.KTSA.TO.W.0040.190518T1821Z-190518T1845Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tulsa OK
121 PM CDT Sat May 18 2019

The National Weather Service in Tulsa has issued a

* Tornado Warning for...
  East central Haskell County in southeastern Oklahoma...
  Northwestern Le Flore County in southeastern Oklahoma...

* Until 145 PM CDT.
    
* At 121 PM CDT, a severe thunderstorm capable of producing a tornado
  was located 4 miles southeast of Keota, moving east at 40 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* Locations in or near the path include...
  Panama...                         Bokoshe...
  Cowlington...                     Milton...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3517 9463 3516 9492 3521 9495 3535 9472
      3534 9472
TIME...MOT...LOC 1821Z 254DEG 33KT 3520 9489 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$
1 follow-up statement
025 
WWUS54 KTSA 181829
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
129 PM CDT Sat May 18 2019

OKC061-181839-
/O.CAN.KTSA.TO.W.0040.000000T0000Z-190518T1845Z/
Haskell OK-
129 PM CDT Sat May 18 2019

...THE TORNADO WARNING FOR EAST CENTRAL HASKELL COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore the warning has been cancelled.

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

LAT...LON 3517 9464 3516 9481 3520 9483 3520 9482
      3529 9482 3534 9472 3517 9463
TIME...MOT...LOC 1829Z 249DEG 42KT 3523 9475 

$$

OKC079-181845-
/O.CON.KTSA.TO.W.0040.000000T0000Z-190518T1845Z/
Le Flore OK-
129 PM CDT Sat May 18 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 145 PM CDT FOR NORTH
CENTRAL LE FLORE COUNTY...
    
At 129 PM CDT, a severe thunderstorm capable of producing a tornado
was located 3 miles northeast of Bokoshe, moving east at 50 mph.

A funnel cloud was reported with this storm earlier near Keota. 

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations in or near the path include...
Panama...                         Bokoshe...
Cowlington...                     

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3517 9464 3516 9481 3520 9483 3520 9482
      3529 9482 3534 9472 3517 9463
TIME...MOT...LOC 1829Z 249DEG 42KT 3523 9475 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

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, 12:35 PM CDTSevere Thunderstorm WarningTSAChoctaw25 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, 1:34 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

Tornado Warnings in Oklahoma, 2019Every tornado warning in 2019Tornadoes 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.