Alert archive / Louisiana / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 409, NWS Jackson, MS

September 27, 1996East Carroll Parish, West Carroll Parish, Louisiana; Chicot County, Arkansas

NWS Jackson, MS issued this severe thunderstorm warning at Sep 27, 1996, 1:14 AM CDT for East Carroll Parish, West Carroll Parish, Louisiana; Chicot County, Arkansas. It was in force for 46 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
Sep 27, 1996, 1:14 AM CDT (06:14 UTC)
Expired
Sep 27, 1996, 2:00 AM CDT
In force
46 min
Issued by
NWS Jackson, MS
Area
Whole counties

Counties Chicot County, AR, East Carroll Parish, LA, West Carroll Parish, LA

The nearest sounding before it

Shreveport, LA (KSHV), launched 00:00Z, 6.2 hours before the alert went out and 232 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, Shreveport, LA at 00:00Z on 1996-09-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 932 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, Shreveport, LA at 00:00Z on 1996-09-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 261 square meters per square second.19395878Sfc1 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
932 J/kg
Mixed-layer CIN
-60 J/kg
Mixed-layer LCL
753 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
261 m²/s²
0-3 km storm-relative helicity
300 m²/s²
Significant tornado parameter
0.8
Supercell composite
11.3

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 Jackson, MS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 27, 1:41 AM CDTSevere Thunderstorm WarningJANIssaquena, Washington49 min
Sep 27, 1:54 AM CDTSevere Thunderstorm WarningJANSharkey36 min
Sep 27, 2:19 AM CDTSevere Thunderstorm WarningJANHumphreys41 min
Sep 27, 2:36 AM CDTSevere Thunderstorm WarningJANHolmes, Leflore, Yazoo54 min
Sep 27, 4:11 AM CDTSevere Thunderstorm WarningJANMontgomery34 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 1996Severe Thunderstorm Warnings in Arkansas, 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.