Alert archive / Oklahoma / Tornado Watches in 2024

Tornado Watch 710

November 18, 202422 counties in Oklahoma; 22 counties in Texas

The Storm Prediction Center issued this tornado watch at Nov 18, 2024, 2:02 AM CST for 22 counties in Oklahoma; 22 counties in Texas. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
Nov 18, 2024, 2:02 AM CST (08:02 UTC)
Expired
Nov 18, 2024, 9:08 AM CST
In force
7 hr
Issued by
the Storm Prediction Center
Largest hail expected
1 in
Strongest gust expected
65 kt
All 44 counties

Caddo County, OK, Canadian County, OK, Carter County, OK, Cleveland County, OK, Comanche County, OK, Cotton County, OK, Garvin County, OK, Grady County, OK, Greer County, OK, Harmon County, OK, Jackson County, OK, Jefferson County, OK, Kingfisher County, OK, Kiowa County, OK, Logan County, OK, Love County, OK, McClain County, OK, Murray County, OK, Oklahoma County, OK, Stephens County, OK, Tillman County, OK, Washita County, OK, Archer County, TX, Baylor County, TX, Callahan County, TX, Clay County, TX, Eastland County, TX, Fisher County, TX, Foard County, TX, Hardeman County, TX, Haskell County, TX, Jack County, TX, Jones County, TX, Knox County, TX, Montague County, TX, Nolan County, TX, Palo Pinto County, TX, Shackelford County, TX, Stephens County, TX, Taylor County, TX, Throckmorton County, TX, Wichita County, TX, Wilbarger County, TX, Young County, TX

The radar

The Altus AFB radar (KFDR), 38 km from the middle of the area, began a volume at 08:03 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.

What SPC expected

The probabilities SPC published with the watch, for the watch area over its life.

Two or more tornadoes
50%
One or more EF2 to EF5 tornadoes
20%
Ten or more severe wind reports
70%
One or more gusts of 65 knots or more
30%
Ten or more severe hail reports
10%
One or more hailstones of 2 inches or more
5%
Six or more combined severe hail and wind reports
80%

Warnings issued inside it

21 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Nov 18, 2:14 AM CSTSevere Thunderstorm WarningSJTFisher61 min
Nov 18, 2:41 AM CSTSevere Thunderstorm WarningOUNGreer, Harmon, Jackson49 min
Nov 18, 2:50 AM CSTTornado WarningOUNGreer, Harmon, Jackson25 min
Nov 18, 3:09 AM CSTTornado WarningOUNGreer, Jackson, Kiowa36 min
Nov 18, 3:19 AM CSTSevere Thunderstorm Warning Considerable damage threatOUNBeckham, Custer, Greer, Jackson, Kiowa, Tillman and 1 more41 min
Nov 18, 3:30 AM CSTSevere Thunderstorm WarningSJTFisher, Haskell, Jones60 min
Nov 18, 3:38 AM CSTTornado Warning Tornado observedOUNBeckham, Custer, Greer, Kiowa, Washita52 min
Nov 18, 3:47 AM CSTSevere Thunderstorm WarningOUNBaylor, Foard, Hardeman, Knox, Wilbarger58 min
Nov 18, 3:54 AM CSTSevere Thunderstorm Warning Considerable damage threatOUNBeckham, Comanche, Custer, Dewey, Jackson, Kiowa and 3 more51 min
Nov 18, 4:39 AM CSTSevere Thunderstorm WarningOUNBlaine, Caddo, Canadian, Comanche, Cotton, Custer and 3 more51 min
Nov 18, 4:41 AM CSTSevere Thunderstorm WarningOUNArcher, Baylor, Wichita, Wilbarger49 min
Nov 18, 5:23 AM CSTSevere Thunderstorm Warning Considerable damage threatOUNBlaine, Caddo, Canadian, Comanche, Garfield, Grady and 2 more52 min
Nov 18, 5:25 AM CSTTornado WarningOUNBlaine, Kingfisher35 min
Nov 18, 5:26 AM CSTSevere Thunderstorm WarningOUNComanche, Cotton, Grady, Jefferson, Stephens, Tillman49 min
Nov 18, 5:28 AM CSTSevere Thunderstorm WarningOUNArcher, Clay, Wichita47 min
Nov 18, 5:54 AM CSTTornado WarningOUNBlaine, Garfield, Kingfisher, Major36 min
Nov 18, 6:04 AM CSTSevere Thunderstorm Warning Considerable damage threatOUNCanadian, Cleveland, Garfield, Grady, Kingfisher, Logan and 4 more41 min
Nov 18, 6:12 AM CSTSevere Thunderstorm WarningOUNCarter, Comanche, Cotton, Garvin, Grady, Jefferson and 2 more48 min
Nov 18, 6:14 AM CSTSevere Thunderstorm WarningOUNArcher, Clay, Wichita46 min
Nov 18, 6:37 AM CSTSevere Thunderstorm Warning Considerable damage threatOUNCanadian, Cleveland, Garfield, Grady, Kay, Lincoln and 6 more38 min
Nov 18, 7:10 AM CSTSevere Thunderstorm WarningOUNCleveland, Kay, Lincoln, Logan, McClain, Noble and 4 more65 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 8.0 hours before the alert went out and 156 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 00:00Z on 2024-11-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 144 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, Norman, OK at 00:00Z on 2024-11-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 59 square meters per square second.1939587897117Sfc1 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
144 J/kg
Mixed-layer CIN
-58 J/kg
Mixed-layer LCL
570 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
59 m²/s²
0-3 km storm-relative helicity
121 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted.

568 
WWUS20 KWNS 180759
SEL0  
SPC WW 180759
OKZ000-TXZ000-181600-

URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 710
NWS Storm Prediction Center Norman OK
200 AM CST Mon Nov 18 2024

The NWS Storm Prediction Center has issued a

* Tornado Watch for portions of 
  Western and Central Oklahoma
  Western North Texas

* Effective this Monday morning from 200 AM until 1000 AM CST.

* Primary threats include...
  A few tornadoes possible
  Scattered damaging winds likely with isolated significant gusts
    to 75 mph possible

SUMMARY...A line of thunderstorms will continue to move
east-northeastward this morning across western north Texas into
southwest and central Oklahoma. Scattered severe/damaging winds up
to 60-75 mph will be a threat with this line, along with a few
embedded tornadoes.

The tornado watch area is approximately along and 65 statute miles
east and west of a line from 40 miles west northwest of Oklahoma
City OK to 20 miles south of Abilene TX. For a complete depiction of
the watch see the associated watch outline update (WOUS64 KWNS
WOU0).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A Tornado Watch means conditions are favorable for
tornadoes and severe thunderstorms in and close to the watch
area. Persons in these areas should be on the lookout for
threatening weather conditions and listen for later statements
and possible warnings.

&&

OTHER WATCH INFORMATION...CONTINUE...WW 709...

AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 1 inch. Extreme turbulence and surface wind
gusts to 65 knots. A few cumulonimbi with maximum tops to 450. Mean
storm motion vector 23040.

...Gleason

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 18, 2:02 AM CSTMesoscale DiscussionSPCCaddo, Comanche, Cotton, Greer, Harmon, Jackson and 2 more88 min
Nov 18, 4:09 AM CSTMesoscale DiscussionSPCCaddo, Canadian, Comanche, Cotton, Grady, Jefferson and 4 more2 hr
Nov 18, 6:25 AM CSTMesoscale DiscussionSPCCarter, Cleveland, Creek, Garvin, Jefferson, Johnston and 13 more2 hr
Nov 18, 9:29 AM CSTMesoscale DiscussionSPCBryan2 hr
Nov 17, 8:53 PM CSTMesoscale DiscussionSPCBorden, Callahan, Coke, Crane, Crockett, Crosby and 28 more2 hr
Nov 17, 9:45 PM CSTSevere Thunderstorm WatchSPCAndrews, Borden, Coke, Crane, Crockett, Crosby and 28 more6 hr
Nov 17, 11:36 PM CSTMesoscale DiscussionSPCBorden, Callahan, Coke, Crane, Crockett, Crosby and 28 more114 min
Nov 18, 3:34 AM CSTMesoscale DiscussionSPCBlanco, Brown, Burnet, Coleman, Comanche, Concho and 18 more116 min
Nov 18, 12:41 PM CSTMesoscale DiscussionSPCAngelina, Hardin, Jasper, Jefferson, Liberty, Nacogdoches and 8 more2 hr
Nov 18, 2:55 PM CSTTornado WatchSPCAngelina, Hardin, Jasper, Liberty, Nacogdoches, Newton and 6 more7 hr
Nov 18, 3:29 PM CSTMesoscale DiscussionSPCHardin, Jasper, Newton, Sabine, Tyler91 min

Nearby

Tornado Watches in Oklahoma, 2024Tornado Watches in Texas, 2024Every tornado watch in 2024

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.