Alert archive / Texas / Mesoscale Discussions in 2023
Mesoscale Discussion 8
The Storm Prediction Center issued this mesoscale discussion at Jan 2, 2023, 4:45 PM CST for Choctaw County, Oklahoma; 27 counties in Texas. It was in force for 90 min.
The area
The outline as issued.
The facts
- Issued
- Jan 2, 2023, 4:45 PM CST (22:45 UTC)
- Expired
- Jan 2, 2023, 6:15 PM CST
- In force
- 90 min
- Issued by
- the Storm Prediction Center
- Concerning
- Severe potential...watch possible
- Chance of a watch
- 40%
All 28 counties
Choctaw County, OK, Anderson County, TX, Brazos County, TX, Burleson County, TX, Cherokee County, TX, Delta County, TX, Fannin County, TX, Franklin County, TX, Freestone County, TX, Grimes County, TX, Henderson County, TX, Hopkins County, TX, Houston County, TX, Hunt County, TX, Kaufman County, TX, Lamar County, TX, Leon County, TX, Limestone County, TX, Madison County, TX, Navarro County, TX, Rains County, TX, Robertson County, TX, Smith County, TX, Trinity County, TX, Van Zandt County, TX, Walker County, TX, Washington County, TX, Wood County, TX
The radar
The Dallas/Ft Worth radar (KFWS), 143 km from the middle of the area, began a volume at 22:48 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 nearest sounding before it
Shreveport, LA (KSHV), launched 12:00Z, 10.8 hours before the alert went out and 223 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.
- Mixed-layer CAPE
- 847 J/kg
- Mixed-layer CIN
- -49 J/kg
- Mixed-layer LCL
- 555 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 205 m²/s²
- 0-3 km storm-relative helicity
- 216 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.4
The text
As transmitted.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 2, 11:34 AM CST | Mesoscale Discussion | SPC | McCurtain | 2 hr |
| Jan 2, 1:22 PM CST | Tornado Watch | SPC | McCurtain | 8 hr |
| Jan 2, 2:02 PM CST | Mesoscale Discussion | SPC | Adair, Atoka, Bryan, Carter, Cherokee, Choctaw and 38 more | 118 min |
| Jan 2, 3:34 PM CST | Tornado Watch | SPC | Adair, Atoka, Bryan, Cherokee, Choctaw, Coal and 32 more | 6 hr |
| Jan 2, 5:45 PM CST | Mesoscale Discussion | SPC | Adair, Cherokee, Craig, Delaware, Haskell, Latimer and 8 more | 90 min |
| Jan 2, 2:39 PM CST | Mesoscale Discussion | SPC | Cass, Harrison, Marion, Panola, Sabine, Shelby | 96 min |
Nearby
Mesoscale Discussions in Texas, 2023Mesoscale Discussions in Oklahoma, 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.