Alert archive / Texas / Mesoscale Discussions in 2022

Mesoscale Discussion 2005

December 12, 20224 counties in Kansas; 13 counties in Oklahoma; 14 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Dec 12, 2022, 9:10 PM CST for 4 counties in Kansas; 13 counties in Oklahoma; 14 counties in Texas. It was in force for 3 hr.

The area

The outline as issued.

The facts

Issued
Dec 12, 2022, 9:10 PM CST (03:10 UTC)
Expired
Dec 12, 2022, 11:45 PM CST
In force
3 hr
Issued by
the Storm Prediction Center
Concerning
Severe potential...watch likely
Chance of a watch
95%
All 31 counties

Clark County, KS, Comanche County, KS, Ford County, KS, Kiowa County, KS, Beckham County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Greer County, OK, Harmon County, OK, Harper County, OK, Jackson County, OK, Kiowa County, OK, Roger Mills County, OK, Washita County, OK, Woods County, OK, Woodward County, OK, Briscoe County, TX, Childress County, TX, Collingsworth County, TX, Cottle County, TX, Crosby County, TX, Dickens County, TX, Floyd County, TX, Foard County, TX, Hale County, TX, Hall County, TX, Hardeman County, TX, Lubbock County, TX, Motley County, TX, Wheeler County, TX

The radar

The Amarillo radar (KAMA), 122 km from the middle of the area, began a volume at 03:11 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 3.2 hours before the alert went out and 121 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, Amarillo Airport, TX at 00:00Z on 2022-12-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 198 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, Amarillo Airport, TX at 00:00Z on 2022-12-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 224 square meters per square second.1939587897117136156Sfc1 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
198 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
1656 m above ground
0-6 km bulk shear
86 kt
0-1 km storm-relative helicity
224 m²/s²
0-3 km storm-relative helicity
219 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.4

Open this sounding in Storm Lab

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 12, 7:12 PM CSTMesoscale DiscussionSPCFinney, Grant, Gray, Haskell, Kearny, Meade and 3 more3 hr
Dec 12, 9:16 PM CSTTornado WatchSPCBarber, Clark, Comanche, Kiowa, Pratt5 hr
Dec 12, 11:24 PM CSTMesoscale DiscussionSPCBarber, Comanche, Kiowa2 hr
Dec 13, 11:14 AM CSTMesoscale DiscussionSPCCheyenne, Sherman, Wallace3 hr
Dec 12, 8:25 PM CSTTornado WatchSPCBeaver, Texas4 hr
Dec 12, 9:54 PM CSTTornado WatchSPCAlfalfa, Beckham, Blaine, Caddo, Comanche, Cotton and 13 more6 hr
Dec 13, 1:44 AM CSTMesoscale DiscussionSPCAlfalfa, Garfield, Grant, Kay, Kingfisher, Lincoln and 4 more61 min
Dec 13, 3:07 AM CSTMesoscale DiscussionSPCAtoka, Bryan, Carter, Cleveland, Coal, Garvin and 12 more113 min
Dec 13, 3:58 AM CSTTornado WatchSPCAtoka, Bryan, Carter, Coal, Cotton, Hughes and 9 more7 hr
Dec 13, 6:00 AM CSTMesoscale DiscussionSPCLove90 min
Dec 13, 8:59 AM CSTMesoscale DiscussionSPCBryan, Choctaw, McCurtain, Pushmataha2 hr
Dec 13, 9:07 AM CSTTornado WatchSPCChoctaw, McCurtain, Pushmataha8 hr
Dec 13, 11:41 AM CSTMesoscale DiscussionSPCAnderson, Bowie, Camp, Cass, Cherokee, Delta and 25 more2 hr
Dec 13, 1:33 PM CSTMesoscale DiscussionSPCAnderson, Angelina, Cass, Cherokee, Gregg, Harrison and 17 more117 min
Dec 13, 2:12 PM CSTMesoscale DiscussionSPCAngelina, Cherokee, Gregg, Harrison, Houston, Marion and 6 more63 min
Dec 13, 2:15 PM CSTTornado WatchSPCAngelina, Jasper, Nacogdoches, Newton, Polk, Sabine and 4 more8 hr
Dec 13, 3:51 PM CSTMesoscale DiscussionSPCAngelina, Harrison, Houston, Jasper, Madison, Nacogdoches and 9 more84 min
Dec 13, 4:44 PM CSTMesoscale DiscussionSPCSabine, San Augustine, Shelby91 min

Nearby

Mesoscale Discussions in Texas, 2022Mesoscale Discussions in Oklahoma, 2022Mesoscale Discussions in Kansas, 2022Every mesoscale discussion in 2022

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.