Alert archive / Louisiana / Tornado Warnings in 2020

Tornado Warning 57, NWS Lake Charles, LA

August 26, 2020Calcasieu Parish, Cameron Parish, Jefferson Davis Parish, Louisiana

NWS Lake Charles, LA issued this tornado warning at Aug 26, 2020, 10:45 PM CDT for Calcasieu Parish, Cameron Parish, Jefferson Davis Parish, Louisiana. It was in force for 30 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, 10:45 PM CDT (03:45 UTC)
Expired
Aug 26, 2020, 11:15 PM CDT
In force
30 min
Issued by
NWS Lake Charles, LA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Calcasieu Parish, LA, Cameron Parish, LA, Jefferson Davis Parish, LA

The radar

The Lake Charles radar (KLCH), 24 km from the middle of the area, began a volume at 03:47 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, 9:03 PM CDTTornado WatchSPC11 hr

The nearest sounding before it

Shreveport, LA (KSHV), launched 00:00Z, 3.8 hours before the alert went out and 285 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, Shreveport, LA at 00:00Z on 2020-08-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 914 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, Shreveport, LA at 00:00Z on 2020-08-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 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
914 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
1718 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
46 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

365 
WFUS54 KLCH 270345
TORLCH
LAC019-023-053-270415-
/O.NEW.KLCH.TO.W.0057.200827T0345Z-200827T0415Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Lake Charles LA
Issued by National Weather Service Brownsville TX
1045 PM CDT Wed Aug 26 2020

The National Weather Service in Lake Charles has issued a

* Tornado Warning for...
  Northeastern Cameron Parish in southwestern Louisiana...
  Southeastern Jefferson Davis Parish in southwestern Louisiana...
  Southeastern Calcasieu Parish in southwestern Louisiana...

* Until 1115 PM CDT.
    
* At 1044 PM CDT, a band of severe thunderstorms capable of 
  producing tornadoes was located OVER Klondike, moving northwest at 
  50 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... Lowry around 1050 PM CDT.
  Thornwell around 1055 PM CDT.
  Welsh and Hayes around 1105 PM CDT.

Other locations impacted by these tornadic thunderstorms include 
Lacassine and Bell City.

This includes Interstate 10 in Louisiana between mile markers 48 and
53.
 
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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 2987 9324 2993 9324 2997 9327 2993 9333
      2990 9334 2991 9337 2996 9330 3000 9327
      3021 9304 3027 9288 3009 9262 3007 9264
      3008 9265 3004 9272 3004 9262 2970 9261
TIME...MOT...LOC 0344Z 130DEG 43KT 3004 9265 

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, 8:40 PM CDTTornado WarningLCHCameron, Vermilion35 min
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, 10:53 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.