Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 27, NWS Lake Charles, LA

April 10, 2021Jasper County, Newton County, Texas

NWS Lake Charles, LA issued this severe thunderstorm warning at Apr 10, 2021, 12:55 AM CDT for Jasper County, Newton County, Texas. It was in force for 15 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, 12:55 AM CDT (05:55 UTC)
Expired: Apr 10, 2021, 1:10 AM CDT
In force: 15 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), 82 km from the middle of the area, began a volume at 05:59 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, 5.9 hours before the alert went out and 127 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: 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.

825 
WUUS54 KLCH 100555
SVRLCH
TXC241-351-100630-
/O.NEW.KLCH.SV.W.0027.210410T0555Z-210410T0630Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lake Charles LA
1255 AM CDT Sat Apr 10 2021

The National Weather Service in Lake Charles has issued a

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

* Until 130 AM CDT.

* At 1255 AM CDT, a severe thunderstorm was located over Browndell,
  or 12 miles northeast of Ebenezer, moving east at 40 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, 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 3098 9362 3109 9409 3111 9408
      3112 9404 3114 9403 3116 9391 3118 9360
TIME...MOT...LOC 0555Z 270DEG 33KT 3114 9398 

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

24

1 follow-up statement

418 
WWUS54 KLCH 100610
SVSLCH

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

TXC241-351-100619-
/O.CAN.KLCH.SV.W.0027.000000T0000Z-210410T0630Z/
Newton TX-Jasper TX-
110 AM CDT Sat Apr 10 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN NEWTON AND
NORTHEASTERN JASPER COUNTIES IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.  However small hail and
gusty winds are still possible with this thunderstorm.

LAT...LON 3117 9359 3098 9362 3109 9409 3111 9408
      3112 9404 3114 9403 3116 9391 3118 9360
TIME...MOT...LOC 0608Z 270DEG 33KT 3114 9382 

$$

24

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 10, 3:34 AM CDT	Severe Thunderstorm Warning	LCH	Jasper, Newton	41 min
Apr 10, 4:11 AM CDT	Severe Thunderstorm Warning	LCH	Jasper, Newton	49 min
Apr 10, 11:56 AM CDT	River Flood Warning	LCH	Newton, Orange	3 hr

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.