Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 52, NWS Lake Charles, LA

April 23, 2021Jasper County, Tyler County, Texas

NWS Lake Charles, LA issued this severe thunderstorm warning at Apr 23, 2021, 5:12 PM CDT for Jasper County, Tyler County, Texas. It was in force for 63 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
Apr 23, 2021, 5:12 PM CDT (22:12 UTC)
Expired
Apr 23, 2021, 6:15 PM CDT
In force
63 min
Issued by
NWS Lake Charles, LA
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Jasper County, TX, Tyler County, TX

The radar

The Ft Polk radar (KPOE), 113 km from the middle of the area, began a volume at 22:12 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
Apr 23, 2:00 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 10.2 hours before the alert went out and 134 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.

333 
WUUS54 KLCH 232212
SVRLCH
TXC241-457-232315-
/O.NEW.KLCH.SV.W.0052.210423T2212Z-210423T2315Z/

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

The National Weather Service in Lake Charles has issued a

* Severe Thunderstorm Warning for...
  Central Tyler County in southeastern Texas...
  Northern Jasper County in southeastern Texas...

* Until 615 PM CDT.

* At 512 PM CDT, severe thunderstorms were located along a line
  extending from 12 miles southeast of Etoile to Woodville, moving
  northeast at 30 mph.

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

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Jasper, Woodville, Colmesneil, Ebenezer, Town Bluff, Rockland,
  Browndell, Ivanhoe and Sam Rayburn Dam.

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 3104 9442 3111 9406 3114 9403 3116 9391
      3113 9390 3077 9399 3065 9449
TIME...MOT...LOC 2212Z 233DEG 26KT 3123 9432 3080 9440 

HAIL...0.75IN
WIND...60MPH
 
$$

Stigger/87
1 follow-up statement
055 
WWUS54 KLCH 232245
SVSLCH

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

TXC241-457-232315-
/O.CON.KLCH.SV.W.0052.000000T0000Z-210423T2315Z/
Tyler TX-Jasper TX-
545 PM CDT Fri Apr 23 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM CDT
FOR NORTHEASTERN TYLER AND NORTHERN JASPER COUNTIES...

At 545 PM CDT, severe thunderstorms were located along a line
extending from near Macune to 7 miles south of Ebenezer, moving east
at 30 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, Colmesneil, Rockland, Ebenezer, Browndell and Sam Rayburn
Dam.

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.

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 3104 9442 3111 9406 3114 9403 3116 9391
      3113 9390 3093 9395 3079 9446
TIME...MOT...LOC 2245Z 270DEG 26KT 3136 9411 3094 9419 

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, 6:08 PM CDTSevere Thunderstorm WarningLCHJasper, Newton67 min
Apr 23, 6:42 PM CDTSevere Thunderstorm WarningLCHHardin, Jasper, Newton, Tyler63 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.