Alert archive / Louisiana / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 229, NWS Shreveport, LA

October 13, 2022De Soto Parish, Natchitoches Parish, Sabine Parish, Louisiana

NWS Shreveport, LA issued this severe thunderstorm warning at Oct 13, 2022, 1:00 AM CDT for De Soto Parish, Natchitoches Parish, Sabine Parish, Louisiana. It was in force for 15 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
Oct 13, 2022, 1:00 AM CDT (06:00 UTC)
Expired
Oct 13, 2022, 1:15 AM CDT
In force
15 min
Issued by
NWS Shreveport, LA
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties De Soto Parish, LA, Natchitoches Parish, LA, Sabine Parish, LA

The radar

The Shreveport radar (KSHV), 83 km from the middle of the area, began a volume at 06:03 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

Jackson, MS (KJAN), launched 00:00Z, 6.0 hours before the alert went out and 324 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, Jackson, MS at 00:00Z on 2022-10-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2057 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, Jackson, MS at 00:00Z on 2022-10-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 60 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
2057 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
1198 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
60 m²/s²
0-3 km storm-relative helicity
143 m²/s²
Significant tornado parameter
0.8
Supercell composite
5.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 13, 2:08 AM CDTSpecial Weather StatementSHVAngelina52 min
Oct 12, 10:29 PM CDTSpecial Weather StatementSHVClaiborne, Lincoln, Union61 min
Oct 12, 10:54 PM CDTSevere Thunderstorm WarningSHVClaiborne, Lincoln, Union42 min
Oct 12, 11:34 PM CDTSevere Thunderstorm WarningSHVBienville, Bossier, Webster41 min
Oct 13, 12:02 AM CDTSevere Thunderstorm WarningSHVDe Soto, Natchitoches, Red River, Sabine43 min
Oct 13, 1:18 AM CDTSpecial Weather StatementSHVGrant, Natchitoches42 min
Oct 13, 1:47 AM CDTSpecial Weather StatementSHVSabine43 min
Oct 12, 7:51 PM CDTSpecial Weather StatementSHVNevada39 min
Oct 12, 9:29 PM CDTSpecial Weather StatementSHVUnion61 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 2022Every severe thunderstorm warning 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.