Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 121, NWS Lake Charles, LA

November 11, 2021Hardin County, Jefferson County, Texas

NWS Lake Charles, LA issued this severe thunderstorm warning at Nov 11, 2021, 7:05 AM CST for Hardin County, Jefferson County, Texas. It was in force for 40 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
Nov 11, 2021, 7:05 AM CST (13:05 UTC)
Expired
Nov 11, 2021, 7:45 AM CST
In force
40 min
Issued by
NWS Lake Charles, LA
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Hardin County, TX, Jefferson County, TX

The radar

The Houston radar (KHGX), 107 km from the middle of the area, began a volume at 13:05 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 12:00Z, 1.1 hours before the alert went out and 109 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 2021-11-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1094 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 2021-11-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 227 square meters per square second.19395878Sfc1 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
1094 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
721 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
227 m²/s²
0-3 km storm-relative helicity
233 m²/s²
Significant tornado parameter
1.2
Supercell composite
6.3

Open this sounding in Storm Lab

The text

As transmitted.

037 
WUUS54 KLCH 111305
SVRLCH
TXC199-245-111345-
/O.NEW.KLCH.SV.W.0121.211111T1305Z-211111T1345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lake Charles LA
705 AM CST Thu Nov 11 2021

The National Weather Service in Lake Charles has issued a

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

* Until 745 AM CST.

* At 704 AM CST, a severe thunderstorm was located near Sour Lake,
  moving southeast 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...
  Beaumont, Sour Lake, Saratoga, Bevil Oaks, China and Fannett. 

This includes Interstate 10 in Texas between mile markers 855 and
835.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Intense thunderstorm lines can produce brief tornadoes and widespread
significant wind damage. Although a tornado is not immediately
likely, it is best to move to an interior room on the lowest floor of
a building. This storm may cause serious injury and significant
property damage.

&&

LAT...LON 3036 9439 3003 9403 2988 9431 3029 9456
TIME...MOT...LOC 1304Z 317DEG 25KT 3021 9440 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Denson
2 follow-up statements
100 
WWUS54 KLCH 111320
SVSLCH

Severe Weather Statement
National Weather Service Lake Charles LA
720 AM CST Thu Nov 11 2021

TXC199-245-111345-
/O.CON.KLCH.SV.W.0121.000000T0000Z-211111T1345Z/
Jefferson TX-Hardin TX-
720 AM CST Thu Nov 11 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 AM CST
FOR NORTHWESTERN JEFFERSON AND SOUTH CENTRAL HARDIN COUNTIES...

At 719 AM CST, a severe thunderstorm was located over Bevil Oaks, or
near Sour Lake, moving southeast 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...
Beaumont, Sour Lake, Bevil Oaks, China and Fannett. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Intense thunderstorm lines can produce brief tornadoes and widespread
significant wind damage. Although a tornado is not immediately
likely, it is best to move to an interior room on the lowest floor of
a building. This storm may cause serious injury and significant
property damage.

&&

LAT...LON 3029 9433 3003 9403 2988 9431 3013 9445
TIME...MOT...LOC 1319Z 317DEG 25KT 3013 9431 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

17
742 
WWUS54 KLCH 111333
SVSLCH

Severe Weather Statement
National Weather Service Lake Charles LA
733 AM CST Thu Nov 11 2021

TXC199-111343-
/O.CAN.KLCH.SV.W.0121.000000T0000Z-211111T1345Z/
Hardin TX-
733 AM CST Thu Nov 11 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL HARDIN COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area.Therefore, the warning has been cancelled.

LAT...LON 3016 9421 3006 9407 3003 9403 2988 9430
      3005 9439
TIME...MOT...LOC 1333Z 317DEG 25KT 3006 9423 

$$

TXC245-111345-
/O.CON.KLCH.SV.W.0121.000000T0000Z-211111T1345Z/
Jefferson TX-
733 AM CST Thu Nov 11 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 AM CST
FOR NORTHWESTERN JEFFERSON COUNTY...

At 733 AM CST, a severe thunderstorm was located near Beaumont,
moving southeast 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...
Beaumont, China and Fannett. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Intense thunderstorm lines can produce brief tornadoes and widespread
significant wind damage. Although a tornado is not immediately
likely, it is best to move to an interior room on the lowest floor of
a building. This storm may cause serious injury and significant
property damage.

&&

LAT...LON 3016 9421 3006 9407 3003 9403 2988 9430
      3005 9439
TIME...MOT...LOC 1333Z 317DEG 25KT 3006 9423 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

17

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 11, 3:33 AM CSTSpecial Weather StatementLCHTyler57 min
Nov 11, 4:40 AM CSTSpecial Weather StatementLCHJasper, Newton, Tyler65 min
Nov 11, 5:31 AM CSTSpecial Weather StatementLCHHardin, Jasper, Newton, Orange, Tyler59 min
Nov 11, 6:32 AM CSTSpecial Weather StatementLCHHardin, Jefferson, Orange58 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.