Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 2, NWS Lake Charles, LA

January 6, 2021Jefferson County, Texas

NWS Lake Charles, LA issued this severe thunderstorm warning at Jan 6, 2021, 6:54 PM CST for Jefferson 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
Jan 6, 2021, 6:54 PM CST (00:54 UTC)
Expired
Jan 6, 2021, 7:30 PM CST
In force
36 min
Issued by
NWS Lake Charles, LA
Area
Storm-based polygon
Tornado
Possible
Hail
0.75 in
Wind
60.0 mph

County Jefferson County, TX

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jan 6, 12:59 PM CSTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 0.9 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-pSkew-T log-p diagram, Lake Charles Mun, LA at 00:00Z on 2021-01-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 28 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 2021-01-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 336 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
28 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
655 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
336 m²/s²
0-3 km storm-relative helicity
366 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

256 
WUUS54 KLCH 070054
SVRLCH
TXC245-070130-
/O.NEW.KLCH.SV.W.0002.210107T0054Z-210107T0130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lake Charles LA
654 PM CST Wed Jan 6 2021

The National Weather Service in Lake Charles has issued a

* Severe Thunderstorm Warning for...
  Southern Jefferson County in southeastern Texas...

* Until 730 PM CST.

* At 654 PM CST, a severe thunderstorm was located over High Island,
  or 19 miles south of Hamshire, moving east at 45 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Port Arthur and Sea Rim State Park. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 2969 9435 2982 9396 2981 9396 2983 9395
      2980 9395 2980 9393 2978 9394 2977 9392
      2968 9389 2968 9400 2967 9406 2956 9436
TIME...MOT...LOC 0054Z 254DEG 39KT 2959 9437 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
 
$$

Jones
1 follow-up statement
885 
WWUS54 KLCH 070121
SVSLCH

Severe Weather Statement
National Weather Service Lake Charles LA
721 PM CST Wed Jan 6 2021

TXC245-070130-
/O.CON.KLCH.SV.W.0002.000000T0000Z-210107T0130Z/
Jefferson TX-
721 PM CST Wed Jan 6 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CST
FOR SOUTHEASTERN JEFFERSON COUNTY...

At 720 PM CST, a severe thunderstorm was located 10 miles southwest
of Sabine Pass, moving east at 45 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Port Arthur and Sea Rim State Park. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 2982 9396 2981 9396 2983 9395 2980 9395
      2980 9393 2978 9394 2977 9392 2968 9389
      2968 9400 2967 9406 2963 9420 2974 9419
TIME...MOT...LOC 0120Z 254DEG 39KT 2967 9405 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
 
$$

Jones

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 6, 6:59 PM CSTSpecial Weather StatementLCHJasper, Jefferson, Newton, Orange31 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.