Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 77, NWS Tulsa, OK

May 18, 20195 counties in Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at May 18, 2019, 12:05 PM CDT for 5 counties in Oklahoma. It was in force for 55 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, 12:05 PM CDT (17:05 UTC)
Expired
May 18, 2019, 1:00 PM CDT
In force
55 min
Issued by
NWS Tulsa, OK
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

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

The radar

The Tulsa radar (KINX), 56 km from the middle of the area, began a volume at 17:05 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

Norman, OK (KOUN), launched 12:00Z, 5.1 hours before the alert went out and 191 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 2019-05-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2398 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Norman, OK at 12:00Z on 2019-05-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 236 square meters per square second.1939587897Sfc1 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
2398 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
639 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
236 m²/s²
0-3 km storm-relative helicity
270 m²/s²
Significant tornado parameter
2.0
Supercell composite
11.7

Open this sounding in Storm Lab

The text

As transmitted.

279 
WUUS54 KTSA 181705
SVRTSA
OKC021-061-091-101-135-181800-
/O.NEW.KTSA.SV.W.0077.190518T1705Z-190518T1800Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tulsa OK
1205 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...
  Northwestern Sequoyah County in east central Oklahoma...
  Southern Cherokee County in east central Oklahoma...
  Muskogee County in east central Oklahoma...

* Until 100 PM CDT.

* At 1205 PM CDT, severe thunderstorms were located along a line
  extending from 3 miles north of Okay to 5 miles southeast of Lake
  Eufaula State Park, moving northeast 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...
  Muskogee...                       Fort Gibson...
  Checotah...                       Warner...
  Vian...                           Gore...
  Porum...                          Webbers Falls...
  Oktaha...                         Braggs...
  Taft...                           Tamaha...
  Rentiesville...                   Greenleaf State Park...
  Pumpkin Center...                 Cookson...
  Cherokee Landing State Park...    Lake Tenkiller State Park...
  Keefeton...                       Wainwright...

This includes Interstate 40 in Oklahoma between mile markers 260 and
300.
 
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 southeastern,
northeastern and east central Oklahoma.

LAT...LON 3579 9555 3579 9552 3580 9549 3580 9542
      3581 9540 3583 9491 3539 9489 3529 9562
TIME...MOT...LOC 1705Z 234DEG 32KT 3590 9534 3536 9552 

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, 12:10 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, 1:21 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.