Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 82, NWS Tulsa, OK

May 18, 20196 counties in Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at May 18, 2019, 12:55 PM CDT for 6 counties in Oklahoma. It was in force for 50 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, 12:55 PM CDT (17:55 UTC)
Expired
May 18, 2019, 1:45 PM CDT
In force
50 min
Issued by
NWS Tulsa, OK
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Adair County, OK, Cherokee County, OK, Haskell County, OK, McIntosh County, OK, Muskogee County, OK, Sequoyah County, OK

The radar

The Western Arkansas radar (KSRX), 69 km from the middle of the area, began a volume at 17:55 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, 5.9 hours before the alert went out and 190 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.

668 
WUUS54 KTSA 181755
SVRTSA
OKC001-021-061-091-101-135-181845-
/O.NEW.KTSA.SV.W.0082.190518T1755Z-190518T1845Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tulsa OK
1255 PM CDT Sat May 18 2019

The National Weather Service in Tulsa has issued a

* Severe Thunderstorm Warning for...
  Northern Haskell County in southeastern Oklahoma...
  Northeastern McIntosh County in southeastern Oklahoma...
  Sequoyah County in east central Oklahoma...
  Southern Adair County in northeastern Oklahoma...
  Southern Cherokee County in east central Oklahoma...
  Eastern Muskogee County in east central Oklahoma...

* Until 145 PM CDT.

* At 1254 PM CDT, severe thunderstorms were located along a line
  extending from near Tahlequah to 3 miles northwest of Vian to 4
  miles east of Porum, moving northeast at 55 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations in or near the path include...
  Muskogee...                       Sallisaw...
  Stilwell...                       Fort Gibson...
  Muldrow...                        Roland...
  Warner...                         Vian...
  Gore...                           Porum...
  Webbers Falls...                  Gans...
  Marble City...                    Braggs...
  Tamaha...                         Moffett...
  Brushy...                         Adair State Park...
  Greenleaf State Park...           Pumpkin Center...

This includes Interstate 40 in Oklahoma between mile markers 269 and
328.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect for the warned area. Tornadoes can
develop quickly from severe thunderstorms. Although a tornado is not
immediately likely, if one is spotted, act quickly and move to a
place of safety inside a sturdy structure such as a basement or small
interior room.

&&

A Tornado Watch remains in effect until 500 PM CDT for west central
Arkansas...and southeastern, northeastern and east central Oklahoma.

LAT...LON 3530 9547 3579 9541 3588 9452 3538 9443
TIME...MOT...LOC 1754Z 231DEG 49KT 3592 9500 3553 9501 3536 9518 

HAIL...<.75IN
WIND...60MPH
 
$$

69
1 follow-up statement
857 
WWUS54 KTSA 181823
SVSTSA

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

OKC091-101-181832-
/O.CAN.KTSA.SV.W.0082.000000T0000Z-190518T1845Z/
McIntosh OK-Muskogee OK-
123 PM CDT Sat May 18 2019

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN MCINTOSH AND
EASTERN MUSKOGEE COUNTIES IS CANCELLED...

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

A Tornado Watch remains in effect until 500 PM CDT for west central
Arkansas...and southeastern, northeastern and east central Oklahoma.

LAT...LON 3534 9509 3543 9508 3546 9505 3546 9508
      3547 9508 3583 9507 3588 9452 3538 9443
TIME...MOT...LOC 1822Z 261DEG 33KT 3589 9476 3550 9477 3533 9494 

$$

OKC001-021-061-135-181845-
/O.CON.KTSA.SV.W.0082.000000T0000Z-190518T1845Z/
Haskell OK-Sequoyah OK-Adair OK-Cherokee OK-
123 PM CDT Sat May 18 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 145 PM CDT
FOR NORTHEASTERN HASKELL...SEQUOYAH...SOUTHERN ADAIR AND SOUTHEASTERN
CHEROKEE COUNTIES...

At 122 PM CDT, severe thunderstorms were located along a line
extending from 5 miles south of Proctor to 3 miles north of Sallisaw
to 5 miles southeast of Tamaha, moving east at 40 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations in or near the path include...
Sallisaw...                       Stilwell...
Muldrow...                        Roland...
Vian...                           Gans...
Marble City...                    Tamaha...
Moffett...                        Brushy...
Adair State Park...               Maryetta...
Cookson...                        Brushy Lake State Park...
Cherokee Landing State Park...    Bunch...
Lake Tenkiller State Park...      Short...
Box...                            Mc Key...

This includes Interstate 40 in Oklahoma between mile markers 290 and
328.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect for the warned area. Tornadoes can
develop quickly from severe thunderstorms. Although a tornado is not
immediately likely, if one is spotted act quickly and move to a place
of safety inside a sturdy structure, such as a basement or small
interior room.

&&

A Tornado Watch remains in effect until 500 PM CDT for west central
Arkansas...and southeastern, northeastern and east central Oklahoma.

LAT...LON 3534 9509 3543 9508 3546 9505 3546 9508
      3547 9508 3583 9507 3588 9452 3538 9443
TIME...MOT...LOC 1822Z 261DEG 33KT 3589 9476 3550 9477 3533 9494 

HAIL...<.75IN
WIND...60MPH
 
$$

69

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, 12:57 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.