Alert archive / Texas / Severe Thunderstorm Warnings in 2023
Severe Thunderstorm Warning 439, NWS Shreveport, LA
NWS Shreveport, LA issued this severe thunderstorm warning at Aug 25, 2023, 4:09 PM CDT for Sabine County, Texas; Sabine Parish, Louisiana. It was in force for 51 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 25, 2023, 4:09 PM CDT (21:09 UTC)
- Expired
- Aug 25, 2023, 5:00 PM CDT
- In force
- 51 min
- Issued by
- NWS Shreveport, LA
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Sabine Parish, LA, Sabine County, TX
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 9.2 hours before the alert went out and 156 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
- 2968 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 983 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- -17 m²/s²
- 0-3 km storm-relative helicity
- -24 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -1.4
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Shreveport, LA wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 25, 3:52 PM CDT, 17 minutes earlier.
Area forecast discussion, Aug 25, 3:52 PM CDT, 17 minutes before
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</html>Hazardous weather outlook, Aug 25, 5:28 AM CDT, 10 hours 41 minutes before
Hazardous Weather Outlook National Weather Service Shreveport LA 528 AM CDT Fri Aug 25 2023 LAZ001>006-010>014-017>022-TXZ152-153-165>167-261100- Caddo-Bossier-Webster-Claiborne-Lincoln-Union-De Soto-Red River- Bienville-Jackson-Ouachita-Sabine-Natchitoches-Winn-Grant-Caldwell- La Salle-Nacogdoches-Shelby-Angelina-San Augustine- 528 AM CDT Fri Aug 25 2023 ...EXCESSIVE HEAT WARNING IN EFFECT UNTIL 8 PM CDT SATURDAY... ...RED FLAG WARNING IN EFFECT UNTIL 8 PM CDT THIS EVENING... This Hazardous Weather Outlook is for north central Louisiana, northwest Louisiana and east Texas. .DAY ONE...Today and tonight. The combination of very hot temperatures and critically to extremely dry conditions will result in dangerous fire weather conditions this afternoon and into this evening. Therefore, a Red Flag Warning is in effect through this evening. Extremely hot temperatures, with daytime highs well into the triple digits, will combine with the humidity to result in heat indices near or in excess of 110 degrees today. Therefore, an Excessive Heat Warning remains in effect. Isolated showers and thunderstorms will also be possible this afternoon across East Texas and North Louisiana. Locally gusty winds will be possible with the stronger storms, before they diminish during the evening. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. Excessive heat and elevated fire danger risks will continue through this weekend as triple digit temperatures persist across the region. The excessive heat and the critically dry fuel conditions will maintain a risk of wildfires across the region. Heat indices near and in excess of 110 degrees will also continue areawide Saturday and across East Texas and North Louisiana Sunday. Scattered showers and thunderstorms are expected to increase Sunday and Monday across the region, ahead of a weak frontal system that will move through the area. Isolated strong storms can not be ruled out, with locally gusty winds and brief heavy rainfall possible. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. ARZ050-051-059>061-070>073-OKZ077-TXZ096-097-108>112-124>126-136>138- 149>151-261100- Sevier-Howard-Little River-Hempstead-Nevada-Miller-Lafayette- Columbia-Union-McCurtain-Red River-Bowie-Franklin-Titus-Camp-Morris- Cass-Wood-Upshur-Marion-Smith-Gregg-Harrison-Cherokee-Rusk-Panola- 528 AM CDT Fri Aug 25 2023 ...EXCESSIVE HEAT WARNING IN EFFECT UNTIL 8 PM CDT SATURDAY... This Hazardous Weather Outlook is for south central Arkansas, southwest Arkansas, southeast Oklahoma and northeast Texas. .DAY ONE...Today and tonight. Extremely hot temperatures, with daytime highs well into the triple digits, will combine with the humidity to result in heat indices near or in excess of 110 degrees today. Therefore, an Excessive Heat Warning remains in effect. Isolated showers and thunderstorms will also be possible this afternoon across Northeast Texas, Southeast Oklahoma, and Southwest Arkansas. Locally gusty winds will be possible with the stronger storms, before they diminish during the evening. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. Excessive heat and elevated fire danger risks will continue through this weekend as triple digit temperatures persist across the region. The excessive heat and the critically dry fuel conditions will maintain a risk of wildfires especially across Northeast Texas. Heat indices near and in excess of 110 degrees will also continue areawide Saturday and possibly Sunday across Northeast Texas, Southeast Oklahoma, and Southwest Arkansas Sunday. Scattered showers and thunderstorms are expected to increase Sunday and Monday across the region, ahead of a weak frontal system that will move through the area. Isolated strong storms can not be ruled out, with locally gusty winds and brief heavy rainfall possible. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. 15
In the hours before
Special weather statement, Aug 25, 3:28 PM CDT, 41 minutes before
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</html>The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 25, 4:52 PM CDT | Special Weather Statement | SHV | Sabine | 23 min |
| Aug 25, 3:28 PM CDT | Special Weather Statement | SHV | Sabine | 32 min |
| Aug 25, 4:02 PM CDT | Special Weather Statement | SHV | Sabine | 43 min |
| Aug 25, 4:38 PM CDT | Special Weather Statement | SHV | Sabine | 37 min |
| Aug 25, 4:45 PM CDT | Severe Thunderstorm Warning | SHV | Natchitoches, Sabine | 45 min |
| Aug 25, 5:40 PM CDT | Special Weather Statement | SHV | Red River | 35 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2023Severe Thunderstorm Warnings in Louisiana, 2023Every severe thunderstorm warning 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.