Alert archive / Oklahoma / Mesoscale Discussions in 2023

Mesoscale Discussion 5

January 2, 20235 states

The Storm Prediction Center issued this mesoscale discussion at Jan 2, 2023, 2:02 PM CST for 5 states. It was in force for 118 min.

The area

The outline as issued.

The facts

Issued
Jan 2, 2023, 2:02 PM CST (20:02 UTC)
Expired
Jan 2, 2023, 4:00 PM CST
In force
118 min
Issued by
the Storm Prediction Center
Concerning
Severe potential...tornado watch likely
Chance of a watch
80%
All 70 counties

Benton County, AR, Carroll County, AR, Crawford County, AR, Franklin County, AR, Madison County, AR, Sebastian County, AR, Washington County, AR, Chautauqua County, KS, Cherokee County, KS, Labette County, KS, Montgomery County, KS, Barry County, MO, McDonald County, MO, Newton County, MO, Adair County, OK, Atoka County, OK, Bryan County, OK, Carter County, OK, Cherokee County, OK, Choctaw County, OK, Cleveland County, OK, Coal County, OK, Craig County, OK, Creek County, OK, Delaware County, OK, Garvin County, OK, Haskell County, OK, Hughes County, OK, Johnston County, OK, Latimer County, OK, LeFlore County, OK, Lincoln County, OK, Love County, OK, Marshall County, OK, Mayes County, OK, McClain County, OK, McCurtain County, OK, McIntosh County, OK, Murray County, OK, Muskogee County, OK, Nowata County, OK, Okfuskee County, OK, Oklahoma County, OK, Okmulgee County, OK, Osage County, OK, Ottawa County, OK, Pawnee County, OK, Payne County, OK, Pittsburg County, OK, Pontotoc County, OK, Pottawatomie County, OK, Pushmataha County, OK, Rogers County, OK, Seminole County, OK, Sequoyah County, OK, Tulsa County, OK, Wagoner County, OK, Washington County, OK, Collin County, TX, Cooke County, TX, Delta County, TX, Denton County, TX, Fannin County, TX, Franklin County, TX, Grayson County, TX, Hopkins County, TX, Hunt County, TX, Lamar County, TX, Red River County, TX, Rockwall County, TX

The radar

The Tulsa radar (KINX), 77 km from the middle of the area, began a volume at 20:04 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

Norman, OK (KOUN), launched 12:00Z, 8.0 hours before the alert went out and 143 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 2023-01-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 8 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 2023-01-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 191 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
8 J/kg
Mixed-layer CIN
-399 J/kg
Mixed-layer LCL
1122 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
191 m²/s²
0-3 km storm-relative helicity
245 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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
Jan 2, 11:34 AM CSTMesoscale DiscussionSPCBradley, Calhoun, Clark, Cleveland, Columbia, Dallas and 20 more2 hr
Jan 2, 1:22 PM CSTTornado WatchSPCCalhoun, Clark, Cleburne, Cleveland, Columbia, Conway and 39 more8 hr
Jan 2, 3:19 PM CSTMesoscale DiscussionSPCBaxter, Boone, Cleburne, Conway, Faulkner, Izard and 10 more86 min
Jan 2, 3:34 PM CSTTornado WatchSPCBenton, Carroll, Crawford, Franklin, Madison, Sebastian and 1 more6 hr
Jan 2, 5:45 PM CSTMesoscale DiscussionSPCMcDonald90 min
Jan 2, 4:45 PM CSTMesoscale DiscussionSPCChoctaw90 min
Jan 2, 2:39 PM CSTMesoscale DiscussionSPCCass, Harrison, Marion, Panola, Sabine, Shelby96 min

Nearby

Mesoscale Discussions in Oklahoma, 2023Mesoscale Discussions in Texas, 2023Mesoscale Discussions in Arkansas, 2023Every mesoscale discussion in 2023

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.