Alert archive / Louisiana / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 3, NWS Lake Charles, LA

January 6, 2021Calcasieu Parish, Cameron Parish, Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at Jan 6, 2021, 8:01 PM CST for Calcasieu Parish, Cameron Parish, Louisiana. It was in force for 29 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
Jan 6, 2021, 8:01 PM CST (02:01 UTC)
Expired
Jan 6, 2021, 8:30 PM CST
In force
29 min
Issued by
NWS Lake Charles, LA
Area
Storm-based polygon
Hail
0.88 in
Wind
60.0 mph

Counties Calcasieu Parish, LA, Cameron Parish, LA

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 2.0 hours before the alert went out and 19 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 2021-01-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 28 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 00:00Z on 2021-01-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 336 square meters per square second.1939587897Sfc1 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
28 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
655 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
336 m²/s²
0-3 km storm-relative helicity
366 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

706 
WUUS54 KLCH 070201
SVRLCH
LAC019-023-070230-
/O.NEW.KLCH.SV.W.0003.210107T0201Z-210107T0230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lake Charles LA
801 PM CST Wed Jan 6 2021

The National Weather Service in Lake Charles has issued a

* Severe Thunderstorm Warning for...
  North central Cameron Parish in southwestern Louisiana...
  Southeastern Calcasieu Parish in southwestern Louisiana...

* Until 830 PM CST.

* At 801 PM CST, severe thunderstorms were located along a line
  extending from near Edgerly to near Hackberry to 6 miles southwest
  of Johnsons Bayou, moving east at 40 mph.

  HAZARD...60 mph wind gusts and nickel size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Lake Charles, Sulphur, Westlake, Iowa, Grand Lake, Lake Charles
  Regional Airport, Sabine National Wildlife, Moss Bluff, Carlyss,
  Hacketts Corner, Heberts Marina, Lebleu Settlement, Edgerly,
  Hackberry, Sweet Lake, Gibbstown and Holmwood.

This includes the following highways...
 Interstate 10 in Louisiana between mile markers 12 and 42.
 Interstate 210 between mile markers 1 and 12.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 2987 9335 2988 9339 2987 9344 2988 9360
      2999 9355 3026 9352 3030 9303 2998 9299
      2985 9311 2986 9324 2993 9324 2997 9327
      3002 9327 3005 9329 3005 9333
TIME...MOT...LOC 0201Z 272DEG 35KT 3025 9344 3000 9346 2970 9373 

HAIL...0.88IN
WIND...60MPH
 
$$

Jones
1 follow-up statement
961 
WWUS54 KLCH 070214
SVSLCH

Severe Weather Statement
National Weather Service Lake Charles LA
814 PM CST Wed Jan 6 2021

LAC019-023-070230-
/O.CON.KLCH.SV.W.0003.000000T0000Z-210107T0230Z/
Cameron LA-Calcasieu LA-
814 PM CST Wed Jan 6 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM CST
FOR NORTH CENTRAL CAMERON AND SOUTHEASTERN CALCASIEU PARISHES...

At 814 PM CST, severe thunderstorms were located along a line
extending from near Westlake to near Heberts Marina to 6 miles
southeast of Johnsons Bayou, moving east at 40 mph.

HAZARD...60 mph wind gusts and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Lake Charles, Sulphur, Westlake, Iowa, Grand Lake, Lake Charles
Regional Airport, Moss Bluff, Carlyss, Hacketts Corner, Heberts
Marina, Lebleu Settlement, Hackberry, Sweet Lake, Gibbstown and
Holmwood.

This includes the following highways...
 Interstate 10 in Louisiana between mile markers 20 and 42.
 Interstate 210 between mile markers 1 and 12.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 2987 9335 2988 9339 2987 9344 2991 9352
      3006 9345 3027 9338 3030 9303 2998 9299
      2985 9311 2986 9324 2993 9324 2997 9327
      3002 9327 3005 9329 3005 9333
TIME...MOT...LOC 0214Z 272DEG 35KT 3025 9330 3000 9332 2970 9359 

HAIL...0.88IN
WIND...60MPH
 
$$

Jones

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 6, 6:56 PM CSTSpecial Marine WarningLCH64 min
Jan 6, 7:09 PM CSTSpecial Marine WarningLCH66 min
Jan 6, 7:18 PM CSTSpecial Marine WarningLCH27 min
Jan 6, 7:45 PM CSTSpecial Weather StatementLCHCalcasieu45 min
Jan 6, 8:03 PM CSTSpecial Marine WarningLCH27 min
Jan 6, 8:07 PM CSTSpecial Marine WarningLCH68 min
Jan 6, 8:31 PM CSTSpecial Weather StatementLCHJefferson Davis44 min
Jan 6, 9:15 PM CSTSpecial Weather StatementLCHAcadia, Jefferson Davis45 min
Jan 6, 10:09 PM CSTSpecial Weather StatementLCHLafayette, Saint Landry51 min
Jan 6, 10:12 PM CSTSpecial Marine WarningLCH93 min
Jan 6, 10:48 PM CSTSpecial Weather StatementLCHSaint Martin42 min
Jan 6, 11:45 PM CSTSpecial Marine WarningLCH45 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 2021Every severe thunderstorm warning in 2021

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.