Alert archive / Texas / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 191, NWS Shreveport, LA

May 5, 20237 counties in Texas

NWS Shreveport, LA issued this severe thunderstorm warning at May 5, 2023, 12:42 AM CDT for 7 counties in Texas. It was in force for 48 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
May 5, 2023, 12:42 AM CDT (05:42 UTC)
Expired
May 5, 2023, 1:30 AM CDT
In force
48 min
Issued by
NWS Shreveport, LA
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Angelina County, TX, Cherokee County, TX, Nacogdoches County, TX, Panola County, TX, Rusk County, TX, San Augustine County, TX, Shelby County, TX

The radar

The Shreveport radar (KSHV), 103 km from the middle of the area, began a volume at 05:42 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

Fort Worth, TX (KFWD), launched 00:00Z, 5.7 hours before the alert went out and 286 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, Fort Worth, TX at 00:00Z on 2023-05-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1619 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, Fort Worth, TX at 00:00Z on 2023-05-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 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
1619 J/kg
Mixed-layer CIN
-65 J/kg
Mixed-layer LCL
792 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
32 m²/s²
0-3 km storm-relative helicity
97 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.4

Open this sounding in Storm Lab

The office that day

Everything else NWS Shreveport, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 4, 10:54 PM CDTSevere Thunderstorm WarningSHVBowie, Red River51 min
May 4, 11:40 PM CDTSpecial Weather StatementSHVBowie50 min
May 4, 11:43 PM CDTSevere Thunderstorm WarningSHVCherokee, Nacogdoches, Rusk, Smith62 min
May 5, 12:56 AM CDTSpecial Weather StatementSHVCass49 min
May 5, 1:24 AM CDTSpecial Weather StatementSHVAngelina, Sabine, San Augustine, Shelby51 min
May 5, 2:13 AM CDTSpecial Weather StatementSHVSabine47 min
May 5, 5:11 AM CDTSpecial Weather StatementSHVRed River49 min
May 5, 10:20 AM CDTRiver Flood WarningSHVFranklin, Morris, Red River, Titus36 hr
May 5, 10:21 AM CDTRiver Flood WarningSHVAnderson, Cherokee, Houston, Trinity3 days
May 5, 12:54 AM CDTSpecial Weather StatementSHVMiller36 min
May 5, 1:43 AM CDTSpecial Weather StatementSHVLafayette47 min
May 5, 5:06 AM CDTSpecial Weather StatementSHVLittle River39 min

Nearby

Severe Thunderstorm Warnings in Texas, 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; radar from the NEXRAD Level II archive.