Alert archive / Louisiana / Tornado Warnings in 1986

Tornado Warning 2, NWS Lake Charles, LA

March 12, 1986Vernon Parish, Louisiana

NWS Lake Charles, LA issued this tornado warning at Mar 12, 1986, 1:12 AM CST for Vernon Parish, Louisiana. It was in force for 18 min.

The area

The counties it named.

The facts

Issued
Mar 12, 1986, 1:12 AM CST (07:12 UTC)
Expired
Mar 12, 1986, 1:30 AM CST
In force
18 min
Issued by
NWS Lake Charles, LA
Area
Whole counties

County Vernon Parish, LA

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 7.2 hours before the alert went out and 110 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 00:00Z on 1986-03-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2215 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 00:00Z on 1986-03-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 135 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
2215 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
546 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
135 m²/s²
0-3 km storm-relative helicity
231 m²/s²
Significant tornado parameter
3.0
Supercell composite
11.8

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 Lake Charles, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 12, 1:00 AM CSTSevere Thunderstorm WarningLCHVernon60 min
Mar 12, 1:20 AM CSTTornado WarningLCHGrant, Rapides40 min
Mar 12, 3:00 AM CSTSevere Thunderstorm WarningLCHVernon60 min
Mar 12, 4:40 AM CSTSevere Thunderstorm WarningLCHCalcasieu, Cameron60 min
Mar 12, 7:15 AM CSTSevere Thunderstorm WarningLCHLafayette30 min
Mar 12, 8:00 AM CSTSevere Thunderstorm WarningLCHCameron60 min

Nearby

Tornado Warnings in Louisiana, 1986Every tornado warning in 1986Tornadoes in 1986

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.