Alert archive / Texas / Mesoscale Discussions in 2022
Mesoscale Discussion 2001
The Storm Prediction Center issued this mesoscale discussion at Dec 10, 2022, 8:33 PM CST for Beauregard Parish, Calcasieu Parish, Louisiana; 8 counties in Texas. It was in force for 117 min.
The area
The outline as issued.
The facts
- Issued
- Dec 10, 2022, 8:33 PM CST (02:33 UTC)
- Expired
- Dec 10, 2022, 10:30 PM CST
- In force
- 117 min
- Issued by
- the Storm Prediction Center
- Concerning
- Severe potential...watch unlikely
- Chance of a watch
- 5%
Counties Beauregard Parish, LA, Calcasieu Parish, LA, Hardin County, TX, Jasper County, TX, Montgomery County, TX, Newton County, TX, Orange County, TX, Polk County, TX, San Jacinto County, TX, Tyler County, TX
The radar
The Lake Charles radar (KLCH), 113 km from the middle of the area, began a volume at 02:33 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
Lake Charles Mun, LA (KLCH), launched 00:00Z, 2.6 hours before the alert went out and 115 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
- 354 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 782 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 42 m²/s²
- 0-3 km storm-relative helicity
- 66 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.1
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 |
|---|---|---|---|---|
| Dec 11, 1:04 AM CST | Mesoscale Discussion | SPC | Austin, Caldwell, Colorado, DeWitt, Fayette, Fort Bend and 10 more | 116 min |
Nearby
Mesoscale Discussions in Texas, 2022Mesoscale Discussions in Louisiana, 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.