Alert archive / Louisiana / Tornado Warnings in 2019

Tornado Warning 13, NWS Lake Charles, LA

May 3, 2019Cameron Parish, Louisiana

NWS Lake Charles, LA issued this tornado warning at May 3, 2019, 11:33 PM CDT for Cameron Parish, Louisiana. It was in force for 27 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
May 3, 2019, 11:33 PM CDT (04:33 UTC)
Expired
May 4, 2019, 12:00 AM CDT
In force
27 min
Issued by
NWS Lake Charles, LA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

County Cameron Parish, LA

The radar

The Lake Charles radar (KLCH), 44 km from the middle of the area, began a volume at 04:34 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

Lake Charles Mun, LA (KLCH), launched 00:00Z, 4.6 hours before the alert went out and 43 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 2019-05-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1400 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°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 2019-05-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 14 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
1400 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
714 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
14 m²/s²
0-3 km storm-relative helicity
243 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.4

Open this sounding in Storm Lab

The text

As transmitted.

172 
WFUS54 KLCH 040433
TORLCH
LAC023-040500-
/O.NEW.KLCH.TO.W.0013.190504T0433Z-190504T0500Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Lake Charles LA
1133 PM CDT Fri May 3 2019

The National Weather Service in Lake Charles has issued a

* Tornado Warning for...
  East central Cameron Parish in southwestern Louisiana...

* Until midnight CDT.
    
* At 1133 PM CDT, a severe thunderstorm capable of producing a
  tornado was located 8 miles south of Lacassine National Wildlife
  Refuge, moving northeast at 10 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This tornadic thunderstorm will remain over mainly rural areas of
  east central Cameron Parish.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to an interior room on the lowest floor of a
sturdy building. Avoid windows. If you are outdoors, in a mobile
home, or in a vehicle, move to the closest substantial shelter and
protect yourself from flying debris.

&&

LAT...LON 2985 9288 2987 9290 2997 9283 2989 9275
TIME...MOT...LOC 0433Z 231DEG 7KT 2987 9287 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

25

The office that day

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

IssuedProductOfficeCountiesLasted
May 4, 1:28 AM CDTTornado WarningLCHAcadia, Jefferson Davis, Vermilion32 min
May 4, 1:58 AM CDTTornado WarningLCHAcadia, Jefferson Davis, Vermilion32 min
May 4, 3:53 AM CDTSpecial Marine WarningLCH52 min
May 4, 4:46 AM CDTSpecial Marine WarningLCH59 min
May 4, 5:17 AM CDTSpecial Weather StatementLCHCalcasieu, Cameron58 min
May 4, 5:45 AM CDTSpecial Marine WarningLCH60 min
May 4, 5:55 AM CDTSpecial Weather StatementLCHAllen, Beauregard, Vernon50 min
May 4, 6:15 AM CDTSpecial Weather StatementLCHAcadia, Jefferson Davis45 min
May 4, 8:26 AM CDTSpecial Weather StatementLCHSaint Martin34 min
May 4, 10:59 AM CDTRiver Flood WarningLCHCalcasieu5 days

Nearby

Tornado Warnings in Louisiana, 2019Every tornado warning in 2019Tornadoes in 2019

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.