Alert archive / Louisiana / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 57, NWS Shreveport, LA

March 18, 1992Natchitoches Parish, Sabine Parish, Louisiana

NWS Shreveport, LA issued this severe thunderstorm warning at Mar 18, 1992, 3:11 PM CST for Natchitoches Parish, Sabine Parish, Louisiana. It was in force for 59 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Mar 18, 1992, 3:11 PM CST (21:11 UTC)
Expired
Mar 18, 1992, 4:10 PM CST
In force
59 min
Issued by
NWS Shreveport, LA
Area
Whole counties

Counties Natchitoches Parish, LA, Sabine Parish, LA

What was reported inside it

TimeReportWhereRemark
Mar 18, 3:38 PM CSTHail 1.75Natchitoches, LA
Mar 18, 3:40 PM CSTHail 1.75Sabine, LA

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 9.2 hours before the alert went out and 170 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 1992-03-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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 1992-03-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 264 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1114 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
264 m²/s²
0-3 km storm-relative helicity
274 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

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
Mar 18, 2:54 AM CSTSevere Thunderstorm WarningSHVBossier, Caddo, De Soto66 min
Mar 18, 3:38 AM CSTSevere Thunderstorm WarningSHVBienville, Red River67 min
Mar 18, 3:38 AM CSTSevere Thunderstorm WarningSHVClaiborne, Webster67 min
Mar 18, 3:52 AM CSTSevere Thunderstorm WarningSHVNatchitoches, Sabine68 min
Mar 18, 4:29 AM CSTSevere Thunderstorm WarningSHVLincoln, Union61 min
Mar 18, 4:29 AM CSTSevere Thunderstorm WarningSHVJackson61 min
Mar 18, 4:45 AM CSTSevere Thunderstorm WarningSHVWinn60 min
Mar 18, 5:07 AM CSTSevere Thunderstorm WarningSHVCaldwell, Ouachita68 min
Mar 18, 5:32 AM CSTSevere Thunderstorm WarningSHVFranklin, Richland58 min
Mar 18, 5:51 AM CSTSevere Thunderstorm WarningSHVEast Carroll, Madison69 min
Mar 18, 4:49 PM CSTSevere Thunderstorm WarningSHVJackson, Lincoln116 min
Mar 17, 9:34 PM CSTSevere Thunderstorm WarningSHVHoward, Pike56 min
Mar 18, 2:54 AM CSTSevere Thunderstorm WarningSHVShelby66 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 1992Every severe thunderstorm warning in 1992

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.