Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 53, NWS Lake Charles, LA

April 23, 2021Jasper County, Newton County, Texas

NWS Lake Charles, LA issued this severe thunderstorm warning at Apr 23, 2021, 6:08 PM CDT for Jasper County, Newton County, Texas. It was in force for 67 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, 6:08 PM CDT (23:08 UTC)
Expired: Apr 23, 2021, 7:15 PM CDT
In force: 67 min
Issued by: NWS Lake Charles, LA
Area: Storm-based polygon
Tornado: Possible
Hail: 0.88 in
Wind: 60.0 mph

Counties Jasper County, TX, Newton County, TX

The radar

The Ft Polk radar (KPOE), 68 km from the middle of the area, began a volume at 23:12 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.

Issued	Product	Office	Lasted
Apr 23, 2:00 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 11.1 hours before the alert went out and 116 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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.

750 
WUUS54 KLCH 232308
SVRLCH
TXC241-351-240015-
/O.NEW.KLCH.SV.W.0053.210423T2308Z-210424T0015Z/

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

The National Weather Service in Lake Charles has issued a

* Severe Thunderstorm Warning for...
  Northern Newton County in southeastern Texas...
  Northeastern Jasper County in southeastern Texas...

* Until 715 PM CDT.

* At 607 PM CDT, severe thunderstorms were located along a line
  extending from near Harrisburg to near 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, Toledo Bend Dam, Ebenezer, Burkeville, Browndell,
  Jamestown, Farrsville, Harrisburg, Mayflower, Sam Rayburn Dam and
  Wiergate.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 900 PM CDT for west central
Louisiana...and southeastern Texas.

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado, go at once into a
small central room in a sturdy structure.

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.

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

&&

LAT...LON 3118 9353 3115 9355 3111 9354 3109 9356
      3106 9352 3102 9352 3101 9354 3101 9357
      3097 9357 3096 9353 3094 9353 3086 9420
      3108 9424 3111 9406 3114 9403 3116 9391
      3118 9362 3117 9358 3119 9355
TIME...MOT...LOC 2307Z 251DEG 26KT 3103 9393 3099 9415 

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

13

1 follow-up statement

914 
WWUS54 KLCH 232329
SVSLCH

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

TXC241-232338-
/O.CAN.KLCH.SV.W.0053.000000T0000Z-210424T0015Z/
Jasper TX-
629 PM CDT Fri Apr 23 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN JASPER COUNTY IS
CANCELLED...

The storms which prompted the warning have weakened. Therefore, the 
warning has been cancelled. 

A Tornado Watch remains in effect until 900 PM CDT for west central
Louisiana...and southeastern Texas.

LAT...LON 3118 9353 3115 9355 3111 9354 3109 9356
      3106 9352 3106 9353 3102 9352 3101 9354
      3101 9357 3100 9358 3097 9357 3096 9353
      3094 9353 3090 9387 3105 9381 3116 9381
      3118 9360 3117 9358 3119 9356
TIME...MOT...LOC 2328Z 256DEG 28KT 3116 9373 3107 9373 3098 9377 

$$

TXC351-240015-
/O.CON.KLCH.SV.W.0053.000000T0000Z-210424T0015Z/
Newton TX-
629 PM CDT Fri Apr 23 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM CDT
FOR NORTHERN NEWTON COUNTY...

At 628 PM CDT, severe thunderstorms were located along a line
extending from 9 miles west of Toledo Bend Dam to Mayflower to near
Farrsville, 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...
Toledo Bend Dam, Burkeville, Jamestown, Mayflower, Farrsville and
Wiergate.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 900 PM CDT for west central
Louisiana...and southeastern Texas.

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into a
small central room in a sturdy structure.

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

&&

LAT...LON 3118 9353 3115 9355 3111 9354 3109 9356
      3106 9352 3106 9353 3102 9352 3101 9354
      3101 9357 3100 9358 3097 9357 3096 9353
      3094 9353 3090 9387 3105 9381 3116 9381
      3118 9360 3117 9358 3119 9356
TIME...MOT...LOC 2328Z 256DEG 28KT 3116 9373 3107 9373 3098 9377 

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

13

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 23, 2:35 PM CDT	River Flood Warning	LCH	Newton	4 days
Apr 23, 2:35 PM CDT	River Flood Warning	LCH	Newton, Orange	76 days
Apr 23, 2:50 PM CDT	Flash Flood Watch	LCH	Jasper, Newton, Tyler	12 hr
Apr 23, 4:27 PM CDT	Special Weather Statement	LCH	Sabine	33 min
Apr 23, 4:31 PM CDT	Special Weather Statement	LCH	Tyler	29 min
Apr 23, 4:47 PM CDT	Severe Thunderstorm Warning	LCH	Jasper, Tyler	28 min
Apr 23, 5:12 PM CDT	Severe Thunderstorm Warning	LCH	Jasper, Tyler	63 min
Apr 23, 6:42 PM CDT	Severe Thunderstorm Warning	LCH	Hardin, Jasper, Newton, Tyler	63 min

Nearby

Severe Thunderstorm Warnings in Texas, 2021 Every 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.