Alert archive / Louisiana / Tornado Warnings in 2020

Tornado Warning 48, NWS Lake Charles, LA

August 26, 2020Cameron Parish, Vermilion Parish, Louisiana

NWS Lake Charles, LA issued this tornado warning at Aug 26, 2020, 8:40 PM CDT for Cameron Parish, Vermilion Parish, Louisiana. It was in force for 35 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, 8:40 PM CDT (01:40 UTC)
Expired
Aug 26, 2020, 9:15 PM CDT
In force
35 min
Issued by
NWS Lake Charles, LA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Cameron Parish, LA, Vermilion Parish, LA

The radar

The Lake Charles radar (KLCH), 93 km from the middle of the area, began a volume at 01:43 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 watch it was issued in

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

IssuedProductOfficeLasted
Aug 26, 2:41 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 1.7 hours before the alert went out and 275 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, Slidell Radar S, LA at 00:00Z on 2020-08-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1989 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, Slidell Radar S, LA at 00:00Z on 2020-08-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 179 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
1989 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
724 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
179 m²/s²
0-3 km storm-relative helicity
200 m²/s²
Significant tornado parameter
0.0
Supercell composite
6.3

Open this sounding in Storm Lab

The text

As transmitted.

854 
WFUS54 KLCH 270140
TORLCH
LAC023-113-270215-
/O.NEW.KLCH.TO.W.0048.200827T0140Z-200827T0215Z/

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

The National Weather Service in Lake Charles has issued a

* Tornado Warning for...
  Southeastern Cameron Parish in southwestern Louisiana...
  Southwestern Vermilion Parish in southwestern Louisiana...

* Until 915 PM CDT.
    
* At 839 PM CDT, a band of thunderstorms capable of producing 
  tornadoes was located 10 miles south of Freshwater City, moving 
  northwest at 65 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.

* These dangerous storms will be near... Freshwater City around 845 
  PM CDT. Pecan Island around 855 PM CDT. Rockefeller Wildlife Range 
  around 910 PM CDT.

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 2959 9265 2971 9296 2980 9284 2960 9213
      2958 9213 2957 9221 2954 9226 2953 9231
TIME...MOT...LOC 0139Z 126DEG 58KT 2941 9227 

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

$$

Hallman
1 follow-up statement
414 
WWUS54 KLCH 270158
SVSLCH

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

LAC023-113-270215-
/O.CON.KLCH.TO.W.0048.000000T0000Z-200827T0215Z/
Cameron LA-Vermilion LA-
858 PM CDT Wed Aug 26 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 PM CDT FOR
SOUTHEASTERN CAMERON AND SOUTHWESTERN VERMILION PARISHES...
    
At 857 PM CDT, a band of severe thunderstorms capable of producing 
tornadoes was located 7 miles southwest of Pecan Island, moving 
northwest at 65 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...
  Rockefeller Wildlife Range around 910 PM CDT.

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 2959 9265 2971 9296 2980 9284 2960 9213
      2958 9213 2957 9221 2954 9226 2953 9231
TIME...MOT...LOC 0157Z 126DEG 58KT 2959 9255 

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, 9:10 PM CDTTornado WarningLCHCameron35 min
Aug 26, 9:14 PM CDTTornado WarningLCHCameron, Vermilion31 min
Aug 26, 9:40 PM CDTTornado Warning Tornado observedLCHCalcasieu, Cameron, Jefferson Davis, Vermilion35 min
Aug 26, 9:42 PM CDTTornado WarningLCHCameron, Jefferson Davis, Vermilion33 min
Aug 26, 10:07 PM CDTTornado WarningLCHCameron38 min
Aug 26, 10:12 PM CDTTornado WarningLCHCalcasieu, Cameron, Jefferson Davis33 min
Aug 26, 10:26 PM CDTTornado WarningLCHIberia, Vermilion34 min
Aug 26, 10:39 PM CDTTornado WarningLCHCameron51 min
Aug 26, 10:45 PM CDTTornado WarningLCHCalcasieu, Cameron, Jefferson Davis30 min
Aug 26, 10:53 PM CDTExtreme Wind WarningLCHAcadia, Allen, Beauregard, Calcasieu, Cameron, Jefferson Davis and 1 more2 hr
Aug 26, 11:05 PM CDTTornado WarningLCHAcadia, Vermilion25 min
Aug 26, 11:16 PM CDTTornado WarningLCHLafayette, Vermilion29 min
Aug 26, 11:28 PM CDTTornado WarningLCHAcadia, Evangeline, Jefferson Davis, Vermilion32 min
Aug 26, 11:38 PM CDTFlash Flood WarningLCHAcadia, Allen, Evangeline, Iberia, Jefferson Davis, Lafayette and 4 more10 hr
Aug 26, 11:41 PM CDTTornado WarningLCHIberia, Lafayette, St. Mary, Vermilion34 min
Aug 27, 12:02 AM CDTTornado WarningLCHAcadia, Allen, Beauregard, Evangeline, Jefferson Davis, Lafayette and 2 more43 min
Aug 27, 12:11 AM CDTTornado WarningLCHIberia, Lafayette, Saint Martin, St. Mary, Vermilion34 min
Aug 27, 12:16 AM CDTFlash Flood WarningLCHCalcasieu, Cameron, Jefferson Davis, Vermilion9 hr
Aug 27, 12:44 AM CDTTornado WarningLCHAcadia, Allen, Beauregard, Evangeline, Iberia, Jefferson Davis and 5 more46 min
Aug 27, 12:54 AM CDTExtreme Wind WarningLCHAllen, Beauregard, Calcasieu, Cameron, Jefferson Davis2 hr
Aug 27, 1:42 AM CDTTornado WarningLCHIberia, Lafayette, Saint Martin33 min
Aug 27, 2:14 AM CDTFlash Flood WarningLCHAllen, Beauregard, Calcasieu, Jefferson Davis, Rapides, Vernon8 hr
Aug 27, 2:25 AM CDTTornado WarningLCHIberia, Saint Martin, St. Mary35 min
Aug 27, 2:58 AM CDTExtreme Wind WarningLCHAllen, Beauregard, Calcasieu, Cameron, Jefferson Davis, Vernon2 hr
Aug 27, 4:00 AM CDTFlash Flood WarningLCHAcadia, Allen, Avoyelles, Evangeline, Iberia, Lafayette and 3 more6 hr
Aug 27, 4:18 AM CDTTornado WarningLCHIberia, Saint Martin, St. Mary27 min
Aug 27, 4:25 AM CDTRiver Flood WarningLCHSaint Martin, St. Mary13 hr
Aug 27, 6:02 AM CDTRiver Flood WarningLCHLafayette, Saint Landry, Saint Martin4 days
Aug 27, 9:12 AM CDTAreal Flood WarningLCHCalcasieu, Cameron, Jefferson Davis, Vermilion6 hr
Aug 27, 9:43 AM CDTRiver Flood WarningLCHRapides12 days
Aug 27, 9:47 AM CDTRiver Flood WarningLCHAllen, Beauregard4 days
Aug 27, 9:54 AM CDTRiver Flood WarningLCHBeauregard, Vernon10 hr
Aug 27, 9:57 AM CDTAreal Flood WarningLCHAcadia, Allen, Avoyelles, Evangeline, Iberia, Lafayette and 3 more3 hr
Aug 27, 9:57 AM CDTRiver Flood WarningLCHAcadia, Evangeline, Saint Landry5 days
Aug 27, 10:02 AM CDTRiver Flood WarningLCHAcadia, Jefferson Davis, Vermilion14 days
Aug 27, 10:04 AM CDTAreal Flood WarningLCHAllen, Beauregard, Calcasieu, Jefferson Davis, Rapides, Vernon5 hr
Aug 27, 10:10 AM CDTAreal Flood WarningLCHAcadia, Allen, Evangeline, Iberia, Jefferson Davis, Lafayette and 3 more3 hr
Aug 27, 10:36 AM CDTSpecial Weather StatementLCHIberia, Saint Martin, St. Mary39 min
Aug 27, 1:13 PM CDTSmall Craft AdvisoryLCH6 hr
Aug 27, 2:23 PM CDTSpecial Weather StatementLCHSt. Mary37 min
Aug 27, 4:14 PM CDTCoastal Flood AdvisoryLCHCameron17 hr
Aug 27, 6:45 PM CDTAreal Flood WarningLCHAcadia, Calcasieu, Cameron, Iberia, Jefferson Davis, Lafayette and 3 more24 hr

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.