Alert archive / Louisiana / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 35, NWS Lake Charles, LA

April 24, 2013Iberia Parish, Saint Martin Parish, St. Mary Parish, Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at Apr 24, 2013, 8:55 AM CDT for Iberia Parish, Saint Martin Parish, St. Mary Parish, Louisiana. It was in force for 65 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
Apr 24, 2013, 8:55 AM CDT (13:55 UTC)
Expired
Apr 24, 2013, 10:00 AM CDT
In force
65 min
Issued by
NWS Lake Charles, LA
Area
Storm-based polygon

Counties Iberia Parish, LA, Saint Martin Parish, LA, St. Mary Parish, LA

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 24, 6:38 AM CDTTornado WatchSPC8 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 1.9 hours before the alert went out and 156 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 2013-04-24Temperature 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 2013-04-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 88 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
467 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
88 m²/s²
0-3 km storm-relative helicity
158 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.4

Open this sounding in Storm Lab

The office that day

Everything else NWS Lake Charles, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 24, 4:21 AM CDTSpecial Weather StatementLCHBeauregard24 min
Apr 24, 4:48 AM CDTSpecial Weather StatementLCHBeauregard27 min
Apr 24, 5:23 AM CDTSevere Thunderstorm WarningLCHAllen, Beauregard, Evangeline67 min
Apr 24, 5:42 AM CDTSpecial Weather StatementLCHJefferson Davis63 min
Apr 24, 6:17 AM CDTSevere Thunderstorm WarningLCHAcadia, Allen, Calcasieu, Evangeline, Jefferson Davis, Saint Landry58 min
Apr 24, 7:12 AM CDTSevere Thunderstorm WarningLCHAcadia, Lafayette, Saint Landry, Vermilion63 min
Apr 24, 7:53 AM CDTSevere Thunderstorm WarningLCHLafayette, Saint Landry, Saint Martin67 min
Apr 24, 8:05 AM CDTSevere Thunderstorm WarningLCHIberia, Lafayette, Saint Martin, St. Mary, Vermilion55 min
Apr 24, 8:09 AM CDTAreal Flood AdvisoryLCHEvangeline, Saint Landry2 hr
Apr 24, 9:06 AM CDTSmall Craft AdvisoryLCH5 hr
Apr 24, 9:10 AM CDTSevere Thunderstorm WarningLCHIberia, St. Mary35 min
Apr 24, 9:39 AM CDTSpecial Marine WarningLCH66 min
Apr 24, 10:01 AM CDTSevere Thunderstorm WarningLCHSaint Martin, St. Mary59 min
Apr 24, 10:18 AM CDTSpecial Marine WarningLCH57 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 2013Every severe thunderstorm warning in 2013

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.