Alert archive / Oklahoma / Tornado Watches in 2025

Tornado Watch 144

April 18, 202517 counties in Oklahoma; 15 counties in Texas

The Storm Prediction Center issued this tornado watch at Apr 18, 2025, 9:15 PM CDT for 17 counties in Oklahoma; 15 counties in Texas. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Apr 18, 2025, 9:15 PM CDT (02:15 UTC)
Expired
Apr 19, 2025, 3:40 AM CDT
In force
6 hr
Issued by
the Storm Prediction Center
Largest hail expected
2 in
Strongest gust expected
60 kt
All 32 counties

Atoka County, OK, Carter County, OK, Coal County, OK, Comanche County, OK, Cotton County, OK, Garvin County, OK, Hughes County, OK, Jefferson County, OK, Johnston County, OK, Love County, OK, Marshall County, OK, Murray County, OK, Pontotoc County, OK, Pottawatomie County, OK, Seminole County, OK, Stephens County, OK, Tillman County, OK, Archer County, TX, Baylor County, TX, Clay County, TX, Cooke County, TX, Haskell County, TX, Jack County, TX, Knox County, TX, Montague County, TX, Palo Pinto County, TX, Shackelford County, TX, Stephens County, TX, Throckmorton County, TX, Wichita County, TX, Wilbarger County, TX, Young County, TX

The radar

The Altus AFB radar (KFDR), 69 km from the middle of the area, began a volume at 02:17 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
40%
One or more EF2 to EF5 tornadoes
20%
Ten or more severe wind reports
50%
One or more gusts of 65 knots or more
20%
Ten or more severe hail reports
60%
One or more hailstones of 2 inches or more
50%
Six or more combined severe hail and wind reports
90%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Apr 18, 9:26 PM CDTSevere Thunderstorm WarningOUNHughes, Pontotoc, Pottawatomie, Seminole49 min
Apr 18, 9:47 PM CDTSevere Thunderstorm WarningFWDCooke, Montague38 min
Apr 18, 10:01 PM CDTSevere Thunderstorm Warning Considerable damage threatOUNHughes, Seminole36 min
Apr 18, 10:12 PM CDTSevere Thunderstorm Warning Considerable damage threatOUNCarter, Jefferson, Love37 min
Apr 18, 10:36 PM CDTSevere Thunderstorm WarningOUNCarter, Johnston, Love, Marshall, Murray39 min
Apr 18, 11:14 PM CDTSevere Thunderstorm WarningOUNHughes, Pottawatomie, Seminole29 min
Apr 19, 12:41 AM CDTSevere Thunderstorm WarningOUNHughes, Pontotoc, Seminole26 min
Apr 19, 1:41 AM CDTSevere Thunderstorm WarningSJTCallahan, Coleman, Runnels, Shackelford, Taylor64 min
Apr 19, 2:18 AM CDTSevere Thunderstorm WarningFWDEastland, Palo Pinto, Stephens, Young57 min
Apr 19, 2:25 AM CDTSevere Thunderstorm WarningSJTCallahan, Shackelford24 min
Apr 19, 3:13 AM CDTSevere Thunderstorm WarningFWDEastland, Erath, Hood, Palo Pinto, Parker, Stephens47 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, 2.3 hours before the alert went out and 132 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 2025-04-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 108 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 00:00Z on 2025-04-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 342 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
108 J/kg
Mixed-layer CIN
-368 J/kg
Mixed-layer LCL
993 m above ground
0-6 km bulk shear
79 kt
0-1 km storm-relative helicity
342 m²/s²
0-3 km storm-relative helicity
436 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.4

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 18, 8:04 PM CDTMesoscale DiscussionSPCBeckham, Blaine, Caddo, Canadian, Carter, Cleveland and 47 more86 min
Apr 18, 8:35 PM CDTMesoscale DiscussionSPCAdair, Cherokee, Delaware, Haskell, Latimer, LeFlore and 3 more85 min
Apr 18, 8:56 PM CDTSevere Thunderstorm WatchSPCAdair, Cherokee, Craig, Creek, Delaware, Haskell and 11 more8 hr
Apr 18, 9:24 PM CDTSevere Thunderstorm WatchSPCCaddo, Canadian, Cleveland, Grady, Greer, Harmon and 8 more4 hr
Apr 18, 11:26 PM CDTMesoscale DiscussionSPCAtoka, Caddo, Carter, Cherokee, Cleveland, Coal and 31 more94 min
Apr 19, 1:42 AM CDTMesoscale DiscussionSPCAdair, Cherokee, Delaware, Haskell, McIntosh, Muskogee and 1 more2 hr
Apr 19, 6:29 PM CDTMesoscale DiscussionSPCAtoka, Bryan, Carter, Choctaw, Coal, Johnston and 4 more91 min
Apr 19, 6:47 PM CDTTornado WatchSPCAtoka, Bryan, Carter, Choctaw, Cleveland, Coal and 16 more5 hr
Apr 18, 11:45 PM CDTMesoscale DiscussionSPCBrown, Callahan, Coke, Coleman, Comanche, Concho and 12 more90 min
Apr 19, 12:01 AM CDTSevere Thunderstorm WatchSPCBrown, Callahan, Coke, Coleman, Comanche, Concho and 21 more6 hr
Apr 19, 2:21 AM CDTMesoscale DiscussionSPCBrown, Callahan, Coleman, Comanche, Concho, Eastland and 12 more114 min
Apr 19, 1:58 PM CDTMesoscale DiscussionSPCArcher, Baylor, Brown, Callahan, Coke, Coleman and 45 more92 min
Apr 19, 2:23 PM CDTSevere Thunderstorm WatchSPCArcher, Baylor, Brown, Callahan, Clay, Coke and 50 more8 hr
Apr 19, 4:21 PM CDTMesoscale DiscussionSPCCoke, Glasscock, Irion, Jones, Mitchell, Nolan and 5 more54 min
Apr 19, 5:18 PM CDTTornado WatchSPCCoke, Coleman, Concho, Irion, Runnels, Sterling and 1 more5 hr

Nearby

Tornado Watches in Oklahoma, 2025Tornado Watches in Texas, 2025Every tornado watch in 2025

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.