Alert archive / Louisiana / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 80, NWS Shreveport, LA

March 18, 1996LaSalle Parish, Louisiana

NWS Shreveport, LA issued this severe thunderstorm warning at Mar 18, 1996, 7:43 AM CST for LaSalle Parish, Louisiana. 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
Mar 18, 1996, 7:43 AM CST (13:43 UTC)
Expired
Mar 18, 1996, 8:30 AM CST
In force
47 min
Issued by
NWS Shreveport, LA
Area
Whole counties

County LaSalle Parish, LA

The radar

The Ft Polk radar (KPOE), 97 km from the middle of the area, began a volume at 13:43 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 12:00Z, 1.7 hours before the alert went out and 209 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 12:00Z on 1996-03-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 1996-03-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 61 square meters per square second.1939587897Sfc1 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
1166 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
61 m²/s²
0-3 km storm-relative helicity
125 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
Mar 17, 6:56 PM CSTSevere Thunderstorm WarningSHVSabine34 min
Mar 17, 7:38 PM CSTSevere Thunderstorm WarningSHVCaddo37 min
Mar 17, 8:18 PM CSTSevere Thunderstorm WarningSHVCaddo42 min
Mar 17, 8:40 PM CSTSevere Thunderstorm WarningSHVBossier50 min
Mar 18, 5:23 AM CSTSevere Thunderstorm WarningSHVSabine52 min
Mar 18, 6:19 AM CSTSevere Thunderstorm WarningSHVNatchitoches56 min
Mar 18, 6:55 AM CSTSevere Thunderstorm WarningSHVWinn65 min
Mar 18, 7:13 AM CSTSevere Thunderstorm WarningSHVGrant47 min
Mar 18, 7:22 AM CSTSevere Thunderstorm WarningSHVDe Soto53 min
Mar 18, 11:35 AM CSTSevere Thunderstorm WarningSHVUnion25 min
Mar 17, 6:38 PM CSTSevere Thunderstorm WarningSHVMarion52 min
Mar 17, 6:59 PM CSTSevere Thunderstorm WarningSHVSmith31 min
Mar 17, 7:21 PM CSTSevere Thunderstorm WarningSHVHarrison, Marion39 min
Mar 18, 4:48 AM CSTSevere Thunderstorm WarningSHVAngelina42 min
Mar 18, 5:02 AM CSTSevere Thunderstorm WarningSHVShelby28 min
Mar 18, 5:23 AM CSTSevere Thunderstorm WarningSHVNacogdoches52 min
Mar 17, 6:45 PM CSTSevere Thunderstorm WarningSHVColumbia45 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 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.