Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 30, NWS Lake Charles, LA

April 10, 2021Jasper County, Newton County, Texas

NWS Lake Charles, LA issued this severe thunderstorm warning at Apr 10, 2021, 3:34 AM CDT for Jasper County, Newton County, Texas. It was in force for 41 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 10, 2021, 3:34 AM CDT (08:34 UTC)
Expired
Apr 10, 2021, 4:15 AM CDT
In force
41 min
Issued by
NWS Lake Charles, LA
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Jasper County, TX, Newton County, TX

The radar

The Ft Polk radar (KPOE), 70 km from the middle of the area, began a volume at 08:34 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 nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 8.6 hours before the alert went out and 121 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 2021-04-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2773 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 2021-04-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 111 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
2773 J/kg
Mixed-layer CIN
-94 J/kg
Mixed-layer LCL
733 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
111 m²/s²
0-3 km storm-relative helicity
149 m²/s²
Significant tornado parameter
1.0
Supercell composite
7.7

Open this sounding in Storm Lab

The text

As transmitted.

493 
WUUS54 KLCH 100834
SVRLCH
TXC241-351-100915-
/O.NEW.KLCH.SV.W.0030.210410T0834Z-210410T0915Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lake Charles LA
334 AM CDT Sat Apr 10 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 415 AM CDT.

* At 334 AM CDT, a severe thunderstorm was located near Pineland, or
  14 miles northeast of Ebenezer, moving southeast at 30 mph.

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

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Burkeville, Browndell, Jamestown, Farrsville, Harrisburg, Mayflower
  and Wiergate.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3117 9359 3117 9357 3116 9354 3115 9355
      3111 9354 3110 9356 3108 9355 3086 9381
      3111 9407 3112 9404 3114 9403 3116 9391
      3118 9360
TIME...MOT...LOC 0834Z 304DEG 28KT 3120 9401 

HAIL...1.00IN
WIND...60MPH
 
$$

24
1 follow-up statement
536 
WWUS54 KLCH 100900
SVSLCH

Severe Weather Statement
National Weather Service Lake Charles LA
400 AM CDT Sat Apr 10 2021

TXC241-351-100915-
/O.CON.KLCH.SV.W.0030.000000T0000Z-210410T0915Z/
Newton TX-Jasper TX-
400 AM CDT Sat Apr 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 AM CDT
FOR NORTHERN NEWTON AND NORTHEASTERN JASPER COUNTIES...

At 400 AM CDT, a severe thunderstorm was located near Mayflower, or
10 miles northwest of Burkeville, moving southeast at 30 mph.

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

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Burkeville, Browndell, Jamestown, Farrsville, Harrisburg, Mayflower
and Wiergate.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3117 9359 3117 9357 3116 9354 3115 9355
      3111 9354 3110 9356 3108 9355 3086 9381
      3111 9407 3112 9404 3114 9403 3116 9391
      3118 9360
TIME...MOT...LOC 0900Z 304DEG 28KT 3109 9381 

HAIL...1.00IN
WIND...60MPH
 
$$

24

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 10, 12:55 AM CDTSevere Thunderstorm WarningLCHJasper, Newton15 min
Apr 10, 4:11 AM CDTSevere Thunderstorm WarningLCHJasper, Newton49 min
Apr 10, 11:56 AM CDTRiver Flood WarningLCHNewton, Orange3 hr

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.