Alert archive / Texas / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 210, NWS Shreveport, LA

April 22, 1996Nacogdoches County, Texas

NWS Shreveport, LA issued this severe thunderstorm warning at Apr 22, 1996, 3:58 PM CDT for Nacogdoches County, Texas. It was in force for 47 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
Apr 22, 1996, 3:58 PM CDT (20:58 UTC)
Expired
Apr 22, 1996, 4:45 PM CDT
In force
47 min
Issued by
NWS Shreveport, LA
Area
Whole counties

County Nacogdoches County, TX

The radar

The Shreveport radar (KSHV), 118 km from the middle of the area, began a volume at 21:01 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 12:00Z, 9.0 hours before the alert went out and 214 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, Lake Charles Mun, LA at 12:00Z on 1996-04-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 211 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, Lake Charles Mun, LA at 12:00Z on 1996-04-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 33 square meters per square second.193958Sfc1 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
211 J/kg
Mixed-layer CIN
-271 J/kg
Mixed-layer LCL
691 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
33 m²/s²
0-3 km storm-relative helicity
103 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 22, 2:01 PM CDTSevere Thunderstorm WarningSHVCaddo44 min
Apr 22, 2:32 PM CDTSevere Thunderstorm WarningSHVBossier28 min
Apr 22, 2:53 PM CDTSevere Thunderstorm WarningSHVWebster37 min
Apr 22, 3:27 PM CDTSevere Thunderstorm WarningSHVClaiborne48 min
Apr 22, 3:46 PM CDTSevere Thunderstorm WarningSHVLincoln29 min
Apr 22, 4:14 PM CDTSevere Thunderstorm WarningSHVUnion46 min
Apr 22, 4:32 PM CDTSevere Thunderstorm WarningSHVSabine43 min
Apr 22, 11:12 AM CDTSevere Thunderstorm WarningSHVFranklin33 min
Apr 22, 1:38 PM CDTSevere Thunderstorm WarningSHVHarrison37 min
Apr 22, 3:04 PM CDTSevere Thunderstorm WarningSHVCherokee26 min
Apr 22, 3:08 PM CDTSevere Thunderstorm WarningSHVAngelina37 min
Apr 22, 4:23 PM CDTSevere Thunderstorm WarningSHVSabine37 min

Nearby

Severe Thunderstorm Warnings in Texas, 1996Every severe thunderstorm warning in 1996

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.