Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 68, NWS Lake Charles, LA

May 4, 2021Hardin County, Jasper County, Texas

NWS Lake Charles, LA issued this severe thunderstorm warning at May 4, 2021, 2:09 PM CDT for Hardin County, Jasper County, Texas. It was in force for 36 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: May 4, 2021, 2:09 PM CDT (19:09 UTC)
Expired: May 4, 2021, 2:45 PM CDT
In force: 36 min
Issued by: NWS Lake Charles, LA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Hardin County, TX, Jasper County, TX

The radar

The Lake Charles radar (KLCH), 90 km from the middle of the area, began a volume at 19:08 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
May 4, 8:11 AM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 7.2 hours before the alert went out and 92 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: 3311 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 458 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 57 m²/s²
0-3 km storm-relative helicity: 144 m²/s²
Significant tornado parameter: 1.2
Supercell composite: 6.6

Open this sounding in Storm Lab

The text

As transmitted.

794 
WUUS54 KLCH 041909
SVRLCH
TXC199-241-041945-
/O.NEW.KLCH.SV.W.0068.210504T1909Z-210504T1945Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lake Charles LA
209 PM CDT Tue May 4 2021

The National Weather Service in Lake Charles has issued a

* Severe Thunderstorm Warning for...
  Southeastern Hardin County in southeastern Texas...
  Southeastern Jasper County in southeastern Texas...

* Until 245 PM CDT.

* At 209 PM CDT, a severe thunderstorm was located over Lumberton,
  moving east at 50 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...
  Lumberton, Silsbee, Buna, Evadale, Bevil Oaks, Weiss Bluff and
  Gist.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3052 9389 3026 9390 3024 9398 3024 9412
      3022 9412 3021 9410 3018 9420 3019 9421
      3018 9422 3017 9426 3017 9427 3016 9428
      3015 9433 3030 9442
TIME...MOT...LOC 1909Z 251DEG 45KT 3028 9419 

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

Stigger/87

1 follow-up statement

964 
WWUS54 KLCH 041940
SVSLCH

Severe Weather Statement
National Weather Service Lake Charles LA
240 PM CDT Tue May 4 2021

TXC199-241-041949-
/O.EXP.KLCH.SV.W.0068.000000T0000Z-210504T1945Z/
Hardin TX-Jasper TX-
240 PM CDT Tue May 4 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN HARDIN AND
SOUTHEASTERN JASPER COUNTIES WILL EXPIRE AT 245 PM CDT...
                
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 will be allowed to expire.  However small hail
and gusty winds are still possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 300 PM CDT for
southeastern Texas.

LAT...LON 3052 9389 3026 9390 3024 9398 3024 9412
      3022 9412 3021 9410 3018 9420 3019 9421
      3018 9422 3017 9426 3017 9427 3016 9428
      3015 9433 3030 9442
TIME...MOT...LOC 1939Z 251DEG 45KT 3040 9378 

$$

Stigger/87

The office that day

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

Issued	Product	Office	Counties	Lasted
May 4, 11:30 AM CDT	Special Weather Statement	LCH	Sabine	15 min
May 4, 11:37 AM CDT	Special Weather Statement	LCH	Newton	23 min
May 4, 11:52 AM CDT	Tornado Warning	LCH	Newton	23 min
May 4, 2:39 PM CDT	Special Weather Statement	LCH	Orange	36 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.