Alert archive / Louisiana / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 211, NWS Shreveport, LA

June 19, 1992Union Parish, Louisiana

NWS Shreveport, LA issued this severe thunderstorm warning at Jun 19, 1992, 9:28 PM CDT for Union Parish, Louisiana. It was in force for 92 min. 1 report 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
Jun 19, 1992, 9:28 PM CDT (02:28 UTC)
Expired
Jun 19, 1992, 11:00 PM CDT
In force
92 min
Issued by
NWS Shreveport, LA
Area
Whole counties

County Union Parish, LA

What was reported inside it

TimeReportWhereRemark
Jun 19, 9:50 PM CDTHail 1Union, 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

Longview/Gregg, TX (KGGG), launched 00:00Z, 2.5 hours before the alert went out and 215 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, Longview/Gregg, TX at 00:00Z on 1992-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1655 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, Longview/Gregg, TX at 00:00Z on 1992-06-20The 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
1655 J/kg
Mixed-layer CIN
-67 J/kg
Mixed-layer LCL
1702 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
33 m²/s²
0-3 km storm-relative helicity
55 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.4

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
Jun 19, 8:13 PM CDTSevere Thunderstorm WarningSHVBossier, Caddo92 min
Jun 19, 8:13 PM CDTSevere Thunderstorm WarningSHVClaiborne, Webster92 min
Jun 19, 9:20 PM CDTSevere Thunderstorm WarningSHVBienville, Red River55 min
Jun 19, 9:20 PM CDTSevere Thunderstorm WarningSHVDe Soto55 min
Jun 19, 9:28 PM CDTSevere Thunderstorm WarningSHVCaldwell, East Carroll, Franklin, Madison, Morehouse, Ouachita and 2 more92 min
Jun 19, 9:28 PM CDTSevere Thunderstorm WarningSHVJackson, Lincoln92 min
Jun 19, 9:59 PM CDTSevere Thunderstorm WarningSHVTensas61 min
Jun 19, 9:59 PM CDTSevere Thunderstorm WarningSHVNatchitoches, Winn61 min
Jun 19, 7:13 PM CDTSevere Thunderstorm WarningSHVHempstead, Little River, Miller92 min
Jun 19, 7:13 PM CDTSevere Thunderstorm WarningSHVNevada92 min
Jun 19, 7:39 PM CDTSevere Thunderstorm WarningSHVColumbia, Lafayette96 min
Jun 19, 7:39 PM CDTSevere Thunderstorm WarningSHVCass96 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.