Alert archive / Louisiana / Tornado Warnings in 2020

Tornado Warning 40, NWS Lake Charles, LA

August 26, 2020Acadia Parish, Louisiana

NWS Lake Charles, LA issued this tornado warning at Aug 26, 2020, 2:08 PM CDT for Acadia Parish, Louisiana. It was in force for 22 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
Aug 26, 2020, 2:08 PM CDT (19:08 UTC)
Expired
Aug 26, 2020, 2:30 PM CDT
In force
22 min
Issued by
NWS Lake Charles, LA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

County Acadia Parish, LA

The radar

The Lake Charles radar (KLCH), 69 km from the middle of the area, began a volume at 19:08 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 12:00Z, 7.1 hours before the alert went out and 68 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 2020-08-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1484 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 2020-08-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 147 square meters per square second.1939Sfc1 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
1484 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
605 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
147 m²/s²
0-3 km storm-relative helicity
160 m²/s²
Significant tornado parameter
0.0
Supercell composite
6.3

Open this sounding in Storm Lab

The text

As transmitted.

958 
WFUS54 KLCH 261908
TORLCH
LAC001-261930-
/O.NEW.KLCH.TO.W.0040.200826T1908Z-200826T1930Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Lake Charles LA
Issued by National Weather Service Brownsville TX
208 PM CDT Wed Aug 26 2020

The National Weather Service in Lake Charles has issued a

* Tornado Warning for...
  Central Acadia Parish in southwestern Louisiana...

* Until 230 PM CDT.
    
* At 208 PM CDT, a severe thunderstorm capable of producing a tornado
  was located NEAR Crowley, moving northwest at 40 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 dangerous storm will be near...
  Maxie around 215 PM CDT.
  Mowata around 220 PM CDT.
  Iota around 225 PM CDT.

This includes Interstate 10 in Louisiana between mile markers 79 and
88.
 
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 3032 9263 3033 9262 3034 9262 3035 9263
      3039 9261 3039 9260 3041 9260 3048 9257
      3048 9255 3029 9224 3018 9230
TIME...MOT...LOC 1908Z 120DEG 35KT 3026 9233 

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

$$

Hallman
2 follow-up statements
009 
WWUS54 KLCH 261914
SVSLCH

Severe Weather Statement
National Weather Service Lake Charles LA
Issued by National Weather Service Brownsville TX
214 PM CDT Wed Aug 26 2020

LAC001-261930-
/O.CON.KLCH.TO.W.0040.000000T0000Z-200826T1930Z/
Acadia LA-
214 PM CDT Wed Aug 26 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 230 PM CDT FOR
NORTHWESTERN ACADIA PARISH...
    
At 214 PM CDT, a severe thunderstorm capable of producing a tornado
was located OVER Maxie, or NEAR Crowley, moving northwest at 40 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 dangerous storm will be near...
  Mowata around 220 PM CDT.
  Iota around 225 PM CDT.

This includes Interstate 10 in Louisiana between mile markers 79 and
81.
 
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 3032 9263 3033 9262 3034 9262 3035 9263
      3039 9261 3039 9260 3041 9260 3048 9257
      3048 9255 3033 9231 3022 9238
TIME...MOT...LOC 1914Z 120DEG 35KT 3029 9239 

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

$$

Hallman
619 
WWUS54 KLCH 261922
SVSLCH

Severe Weather Statement
National Weather Service Lake Charles LA
Issued by National Weather Service Brownsville TX
222 PM CDT Wed Aug 26 2020

LAC001-261930-
/O.CON.KLCH.TO.W.0040.000000T0000Z-200826T1930Z/
Acadia LA-
222 PM CDT Wed Aug 26 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 230 PM CDT FOR
NORTHWESTERN ACADIA PARISH...
    
At 221 PM CDT, a severe thunderstorm capable of producing a tornado
was located OVER Iota, moving northwest at 40 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
northwestern Acadia 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 3035 9263 3039 9261 3039 9260 3041 9260
      3048 9256 3048 9255 3035 9234 3026 9243
TIME...MOT...LOC 1921Z 120DEG 35KT 3033 9247 

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

$$

Hallman

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 26, 10:13 AM CDTSpecial Marine WarningLCH2 hr
Aug 26, 10:20 AM CDTSpecial Weather StatementLCHCameron, Iberia, Lafayette, Saint Martin, St. Mary, Vermilion70 min
Aug 26, 11:29 AM CDTSpecial Weather StatementLCHCameron, Iberia, St. Mary, Vermilion61 min
Aug 26, 12:14 PM CDTSpecial Weather StatementLCHCalcasieu, Cameron91 min
Aug 26, 12:30 PM CDTSevere Thunderstorm WarningLCHBeauregard, Calcasieu, Cameron, Jefferson Davis60 min
Aug 26, 12:46 PM CDTSpecial Weather StatementLCHAcadia, Cameron, Iberia, Jefferson Davis, St. Mary, Vermilion44 min
Aug 26, 1:10 PM CDTTornado WarningLCHAcadia, Cameron, Jefferson Davis, Vermilion20 min
Aug 26, 2:28 PM CDTTornado WarningLCHAcadia, Allen, Evangeline, Jefferson Davis14 min
Aug 26, 3:11 PM CDTTornado WarningLCHAvoyelles, Evangeline, Rapides, Saint Landry19 min
Aug 26, 3:18 PM CDTTornado WarningLCHBeauregard27 min
Aug 26, 3:27 PM CDTTornado WarningLCHAvoyelles, Evangeline, Rapides18 min
Aug 26, 3:37 PM CDTTornado WarningLCHVernon23 min
Aug 26, 4:18 PM CDTSpecial Weather StatementLCHAvoyelles, Rapides, Vernon42 min
Aug 26, 4:50 PM CDTSpecial Marine WarningLCH25 min

Nearby

Tornado Warnings in Louisiana, 2020Every tornado warning in 2020Tornadoes in 2020

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.