Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 54, NWS Lake Charles, LA

April 23, 20214 counties in Texas

NWS Lake Charles, LA issued this severe thunderstorm warning at Apr 23, 2021, 6:42 PM CDT for 4 counties in Texas. It was in force for 63 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Apr 23, 2021, 6:42 PM CDT (23:42 UTC)
Expired
Apr 23, 2021, 7:45 PM CDT
In force
63 min
Issued by
NWS Lake Charles, LA
Area
Storm-based polygon
Hail
0.88 in
Wind
60.0 mph

Counties Hardin County, TX, Jasper County, TX, Newton County, TX, Tyler County, TX

The radar

The Lake Charles radar (KLCH), 130 km from the middle of the area, began a volume at 23:45 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.

What was reported inside it

TimeReportWhereRemark
Apr 23, 7:45 PM CDTHAIL 0.756 Nw Kirbyville, TX

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

IssuedProductOfficeLasted
Apr 23, 2:00 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 11.7 hours before the alert went out and 131 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 2021-04-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 12 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 2021-04-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 373 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
12 J/kg
Mixed-layer CIN
-108 J/kg
Mixed-layer LCL
523 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
373 m²/s²
0-3 km storm-relative helicity
419 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted.

381 
WUUS54 KLCH 232342
SVRLCH
TXC199-241-351-457-240045-
/O.NEW.KLCH.SV.W.0054.210423T2342Z-210424T0045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lake Charles LA
642 PM CDT Fri Apr 23 2021

The National Weather Service in Lake Charles has issued a

* Severe Thunderstorm Warning for...
  Tyler County in southeastern Texas...
  Northwestern Newton County in southeastern Texas...
  Northern Hardin County in southeastern Texas...
  Jasper County in southeastern Texas...

* Until 745 PM CDT.

* At 642 PM CDT, severe thunderstorms were located along a line
  extending from near Alabama-Coushatta Reservation to near Votaw,
  moving east at 35 mph.

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

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Jasper, Woodville, Kirbyville, Kountze, Colmesneil, Chester,
  Rockland, Warren, Town Bluff, Thicket, Ebenezer, Fred, Wildwood,
  Browndell, Votaw, Spurger, Harrisburg, Village Mills, Caney Head
  and Honey Island.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 900 PM CDT for southeastern
Texas.

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

Large hail and damaging winds and continuous cloud to ground
lightning is occurring with these storms. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.

&&

LAT...LON 3049 9454 3096 9464 3104 9441 3116 9386
      3054 9388 3027 9465 3049 9473
TIME...MOT...LOC 2342Z 253DEG 31KT 3070 9462 3045 9473 

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

Stigger/87
2 follow-up statements
527 
WWUS54 KLCH 240003
SVSLCH

Severe Weather Statement
National Weather Service Lake Charles LA
703 PM CDT Fri Apr 23 2021

TXC199-241-351-457-240045-
/O.CON.KLCH.SV.W.0054.000000T0000Z-210424T0045Z/
Tyler TX-Newton TX-Hardin TX-Jasper TX-
703 PM CDT Fri Apr 23 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR TYLER...NORTHWESTERN NEWTON...NORTHERN HARDIN AND JASPER
COUNTIES...

At 703 PM CDT, severe thunderstorms were located along a line
extending from Woodville to near Wildwood, moving east at 35 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Jasper, Woodville, Kirbyville, Kountze, Colmesneil, Ebenezer, Fred,
Rockland, Wildwood, Warren, Town Bluff, Browndell, Caney Head, Honey
Island, Magnolia Springs, Mt. Union, Spurger, Roganville, Harrisburg
and Village Mills.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 900 PM CDT for southeastern
Texas.

A tornado watch remains in effect for the warned area. Tornadoes can
develop quickly from severe thunderstorms. Although a tornado is not
immediately likely, if one is spotted act quickly and move to a place
of safety inside a sturdy structure, such as a small interior room.

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

Continuous cloud to ground lightning is occurring with these storms.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

&&

LAT...LON 3049 9454 3090 9445 3104 9441 3116 9386
      3054 9388 3027 9465 3038 9459
TIME...MOT...LOC 0003Z 253DEG 31KT 3075 9443 3050 9454 

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

Stigger/87
758 
WWUS54 KLCH 240020
SVSLCH

Severe Weather Statement
National Weather Service Lake Charles LA
720 PM CDT Fri Apr 23 2021

TXC199-241-351-457-240045-
/O.CON.KLCH.SV.W.0054.000000T0000Z-210424T0045Z/
Tyler TX-Newton TX-Hardin TX-Jasper TX-
720 PM CDT Fri Apr 23 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR SOUTHEASTERN TYLER...NORTHWESTERN NEWTON...NORTHEASTERN HARDIN
AND JASPER COUNTIES...

At 719 PM CDT, severe thunderstorms were located along a line
extending from 7 miles west of Town Bluff to near Wildwood, moving
east at 35 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Jasper, Kirbyville, Kountze, Ebenezer, Fred, Town Bluff, Browndell,
Caney Head, Magnolia Springs, Mt. Union, Spurger, Roganville,
Harrisburg and Sam Rayburn Dam.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 900 PM CDT for southeastern
Texas.

A tornado watch remains in effect for the warned area. Tornadoes can
develop quickly from severe thunderstorms. Although a tornado is not
immediately likely, if one is spotted act quickly and move to a place
of safety inside a sturdy structure, such as a small interior room.

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

Continuous cloud to ground lightning is occurring with these storms.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

&&

LAT...LON 3068 9432 3094 9421 3109 9415 3116 9386
      3054 9388 3034 9445
TIME...MOT...LOC 0019Z 253DEG 31KT 3078 9430 3053 9441 

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

Stigger/87

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 23, 2:35 PM CDTRiver Flood WarningLCHNewton4 days
Apr 23, 2:35 PM CDTRiver Flood WarningLCHNewton, Orange76 days
Apr 23, 2:50 PM CDTFlash Flood WatchLCHJasper, Newton, Tyler12 hr
Apr 23, 4:27 PM CDTSpecial Weather StatementLCHSabine33 min
Apr 23, 4:31 PM CDTSpecial Weather StatementLCHTyler29 min
Apr 23, 4:47 PM CDTSevere Thunderstorm WarningLCHJasper, Tyler28 min
Apr 23, 5:12 PM CDTSevere Thunderstorm WarningLCHJasper, Tyler63 min
Apr 23, 6:08 PM CDTSevere Thunderstorm WarningLCHJasper, Newton67 min

Nearby

Severe Thunderstorm Warnings in Texas, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.