Alert archive / Texas / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 104, NWS Lake Charles, LA

August 28, 2020Hardin County, Jefferson County, Texas

NWS Lake Charles, LA issued this severe thunderstorm warning at Aug 28, 2020, 3:32 PM CDT for Hardin County, Jefferson County, Texas. It was in force for 58 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 28, 2020, 3:32 PM CDT (20:32 UTC)
Expired
Aug 28, 2020, 4:30 PM CDT
In force
58 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 nearest sounding before it

Shreveport, LA (KSHV), launched 12:00Z, 8.5 hours before the alert went out and 270 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, Shreveport, LA at 12:00Z on 2020-08-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1576 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Shreveport, LA at 12:00Z on 2020-08-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 35 square meters per square second.193958Sfc1 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
1576 J/kg
Mixed-layer CIN
-28 J/kg
Mixed-layer LCL
668 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
35 m²/s²
0-3 km storm-relative helicity
128 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.2

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Lake Charles, LA wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 28, 12:57 PM CDT, 2 hours 35 minutes earlier.

Area forecast discussion, Aug 28, 12:57 PM CDT, 2 hours 35 minutes before
Area Forecast Discussion
National Weather Service Lake Charles LA
Issued by National Weather Service Tampa Bay Ruskin FL
1257 PM CDT Fri Aug 28 2020

.AVIATION...
Afternoon and evening convection is expected with gusty winds at
times. Showers and thunderstorms should diminish after 02Z.
Temporary MVFR/IFR conditions will continue as storms move across
TAF sites, but ceilings and visibilities should improve for
several hours during the evening before patchy fog develops near
sunrise. Southerly winds will decrease through this evening, but
will gradually increase by the late morning hours on Saturday.
Chances of rain return to the terminals in the morning as well.

&&

.PRELIMINARY POINT TEMPS/POPS...
AEX  74  93  73  91 /  10  50  20  70
LCH  78  91  77  88 /  10  60  30  80
LFT  78  91  76  89 /  20  70  30  80
BPT  78  91  78  88 /  10  50  30  70

&&

.LCH WATCHES/WARNINGS/ADVISORIES...
LA...Coastal Flood Advisory until 9 AM CDT this morning for LAZ041-
     052>054-073-074.

TX...Heat Advisory from 10 AM this morning to 7 PM CDT this evening
     for TXZ180-201-215-216-259>262.

     Coastal Flood Advisory until 9 AM CDT this morning for TXZ215-
     216.

GM...None.

&&

AVIATION...Delerme
Hazardous weather outlook, Aug 28, 2:20 PM CDT, 1 hour 12 minutes before
Hazardous Weather Outlook
National Weather Service Lake Charles LA
Issued by National Weather Service Brownsville TX
220 PM CDT Fri Aug 28 2020

TXZ180-201-215-216-259>262-291930-
Tyler-Hardin-Jefferson-Orange-Northern Jasper-Northern Newton-
Southern Jasper-Southern Newton-
220 PM CDT Fri Aug 28 2020

...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING...

This Hazardous Weather Outlook is for southeast Texas.

.DAY ONE...This afternoon and tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Heat Advisory.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Heat advisory conditions will be possible Saturday through Monday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

LAZ027>033-041>045-052>055-073-074-291930-
Vernon-Rapides-Avoyelles-Beauregard-Allen-Evangeline-St. Landry-
Calcasieu-Jefferson Davis-Acadia-Lafayette-Upper St. Martin-
Vermilion-Iberia-St. Mary-Lower St. Martin-West Cameron-East Cameron-
220 PM CDT Fri Aug 28 2020

This Hazardous Weather Outlook is for central Louisiana, south
central Louisiana, southwest Louisiana and west central Louisiana.

.DAY ONE...This afternoon and tonight.

Scattered thunderstorms today may produce gusty winds, reduce
visibility in heavy rainfall and a few lightning strikes.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

GMZ430-432-435-450-452-455-470-472-475-291930-
Sabine Lake-Calcasieu Lake-Vermilion Bay-
Coastal waters from Cameron LA to High Island TX out 20 NM-
Coastal waters from Intracoastal City to Cameron LA out 20 NM-
Coastal waters from Lower Atchafalaya River to Intracoastal City LA
out 20 NM-Waters from Cameron LA to High Island TX from 20 to 60 NM-
Waters from Intracoastal City to Cameron LA from 20 to 60 NM-
Waters from Lower Atchafalaya River to Intracoastal City LA from
20 to 60 NM-
220 PM CDT Fri Aug 28 2020

This Hazardous Weather Outlook is for the Gulf of Mexico and the
coastal lakes and bays of the Gulf of Mexico.

.DAY ONE...This afternoon and tonight.

Scattered thunderstorms today may produce gusty winds, reduce
visibility in heavy rainfall and a few lightning strikes.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Special weather statement, Aug 28, 1:37 PM CDT, 1 hour 55 minutes before
Special Weather Statement
National Weather Service Lake Charles LA
Issued by National Weather Service Brownsville TX
137 PM CDT Fri Aug 28 2020

LAZ030-TXZ259-260-262-281915-
Beauregard LA-Southern Newton TX-Northern Newton TX-
Northern Jasper TX-
137 PM CDT Fri Aug 28 2020

...SIGNIFICANT WEATHER ADVISORY FOR WESTERN BEAUREGARD PARISH...
CENTRAL NEWTON AND EAST CENTRAL JASPER COUNTIES UNTIL 215 PM CDT...

At 136 PM CDT, Doppler radar was tracking a strong thunderstorm OVER
Call, moving east at 15 mph.

Heavy rainfall and winds in excess of 40 mph will be possible with
this storm.

Locations impacted include...
Newton, Kirbyville, Call, Fields, Bon Weir, Trout Creek, Bivens,
Bancroft, Old Salem and Bleakwood.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is occurring with this storm, and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is also occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3089 9358 3044 9356 3049 9388 3052 9389
      3052 9404 3065 9405
TIME...MOT...LOC 1836Z 265DEG 15KT 3060 9391

Mejia
Special weather statement, Aug 28, 2:13 PM CDT, 1 hour 19 minutes before
Special Weather Statement
National Weather Service Lake Charles LA
Issued by National Weather Service Brownsville TX
213 PM CDT Fri Aug 28 2020

LAZ073-282000-
West Cameron LA-
213 PM CDT Fri Aug 28 2020

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN CAMERON PARISH UNTIL
300 PM CDT...

At 212 PM CDT, Doppler radar was tracking a strong thunderstorm near
Johnsons Bayou, moving east at 25 mph.

Heavy rainfall and winds in excess of 40 mph will be possible with
this storm.

Locations impacted include...
Johnsons Bayou, Sabine National Wildlife, Hackberry, Holly Beach and
Constance Beach.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is occurring with this storm, and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

Occasional to Frequent cloud to ground lightning is also occurring
with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 2984 9379 2989 9377 2990 9377 3005 9347
      3005 9341 2991 9334 2985 9335 2987 9335
      2988 9339 2986 9344 2985 9343 2985 9341
      2982 9339 2982 9335 2976 9335 2977 9348
      2974 9374
TIME...MOT...LOC 1912Z 251DEG 21KT 2983 9368

Mejia
Special weather statement, Aug 28, 2:24 PM CDT, 1 hour 8 minutes before
Special Weather Statement
National Weather Service Lake Charles LA
Issued by National Weather Service Brownsville TX
224 PM CDT Fri Aug 28 2020

LAZ030-041-TXZ259>262-282015-
Calcasieu LA-Beauregard LA-Southern Newton TX-Northern Newton TX-
Northern Jasper TX-Southern Jasper TX-
224 PM CDT Fri Aug 28 2020

...SPECIAL WEATHER STATEMENT...

At 222 PM CDT, Doppler radar was tracking a strong thunderstorm over
Old Salem, or 9 miles southeast of Call, moving east-southeast at 15
mph.

Winds in excess of 30 mph will be possible with this storm. In
addition, rainfall amounts of 1 to 2 inches per hour can be expected
with this thunderstorm.

Locations impacted include...
Newton, Kirbyville, Call, Deweyville, Fields, Bon Weir, De Quincy,
Buna, Gist and Trout Creek.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

Occasional to frequent cloud to ground lightning is occurring with
this storm. Lightning can strike 10 miles away from a thunderstorm.
Seek a safe shelter inside a building or vehicle.

&&

LAT...LON 3089 9369 3046 9338 3024 9387 3024 9391
      3052 9407 3054 9407 3056 9409 3058 9409
      3061 9407 3062 9408 3064 9405 3065 9405
      3067 9407 3066 9409 3069 9409 3068 9412
      3070 9412 3071 9414
TIME...MOT...LOC 1922Z 332DEG 13KT 3054 9374

CASTILLO
Special weather statement, Aug 28, 2:31 PM CDT, 1 hour 1 minute before
Special Weather Statement
National Weather Service Lake Charles LA
Issued by National Weather Service Brownsville TX
231 PM CDT Fri Aug 28 2020

TXZ180-259-282030-
Northern Jasper TX-Tyler TX-
231 PM CDT Fri Aug 28 2020

...STRONG WINDS AND HEAVY RAINFALL WILL IMPACT NORTHWESTERN TYLER
AND NORTHERN JASPER COUNTIES UNTIL 330 PM CDT...

At 229 PM CDT, Doppler radar was tracking a strong thunderstorm
near Chester, moving southeast at 15 mph.

Pea size hail and winds in excess of 40 mph will be possible with
this storm. In addition, rainfall amounts of 1 to 2 inches per hour
can be expected with this thunderstorm.

Locations impacted include...
Jasper, Colmesneil, Chester and Rockland.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 3106 9456 3105 9454 3106 9453 3104 9450
      3105 9449 3103 9448 3103 9447 3104 9444
      3107 9426 3093 9399 3083 9462 3101 9466
TIME...MOT...LOC 1929Z 324DEG 10KT 3100 9463

CASTILLO
Special weather statement, Aug 28, 3:10 PM CDT, 22 minutes before
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Special weather statement, Aug 28, 3:26 PM CDT, 6 minutes before
Special Weather Statement
National Weather Service Lake Charles LA
Issued by National Weather Service Brownsville TX
326 PM CDT Fri Aug 28 2020

TXZ201-215-282115-
Jefferson TX-Hardin TX-
326 PM CDT Fri Aug 28 2020

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN JEFFERSON AND SOUTH
CENTRAL HARDIN COUNTIES UNTIL 415 PM CDT...

At 326 PM CDT, Doppler radar was tracking a strong thunderstorm OVER
Nome, moving northeast at 15 mph.

Winds in excess of 40 mph will be possible with this storm.

Locations impacted include...
Sour Lake, Nome, Bevil Oaks and China.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3021 9431 3001 9419 2995 9444 3011 9445
      3011 9448
TIME...MOT...LOC 2026Z 240DEG 11KT 3007 9443

Hallman

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 28, 8:35 AM CDTSpecial Weather StatementLCHAllen, Jefferson Davis55 min
Aug 28, 8:39 AM CDTSpecial Weather StatementLCHAvoyelles66 min
Aug 28, 9:28 AM CDTSpecial Weather StatementLCHAcadia, Allen, Evangeline, Jefferson Davis62 min
Aug 28, 10:12 AM CDTSpecial Weather StatementLCHAllen, Jefferson Davis48 min
Aug 28, 10:26 AM CDTSpecial Weather StatementLCHCalcasieu64 min
Aug 28, 10:27 AM CDTAreal Flood AdvisoryLCHCameron2 hr
Aug 28, 10:58 AM CDTFlash Flood WarningLCHCameron3 hr
Aug 28, 11:13 AM CDTSpecial Weather StatementLCHVernon32 min
Aug 28, 11:22 AM CDTSpecial Weather StatementLCHAcadia, Avoyelles, Evangeline, Jefferson Davis, Saint Landry38 min
Aug 28, 11:32 AM CDTSpecial Weather StatementLCHCameron28 min
Aug 28, 11:38 AM CDTSpecial Marine WarningLCH37 min
Aug 28, 12:04 PM CDTSpecial Weather StatementLCHAcadia, Jefferson Davis, Lafayette, Saint Landry41 min
Aug 28, 12:11 PM CDTSpecial Marine WarningLCH34 min
Aug 28, 12:20 PM CDTSpecial Weather StatementLCHBeauregard, Vernon40 min
Aug 28, 12:38 PM CDTSpecial Weather StatementLCHCalcasieu, Jefferson Davis37 min
Aug 28, 1:00 PM CDTSpecial Weather StatementLCHEvangeline, Saint Landry45 min
Aug 28, 1:27 PM CDTSevere Thunderstorm WarningLCHCameron48 min
Aug 28, 1:30 PM CDTSpecial Marine WarningLCH45 min
Aug 28, 2:13 PM CDTSpecial Weather StatementLCHCameron47 min
Aug 28, 3:59 AM CDTHeat AdvisoryLCHHardin, Jasper, Newton, Tyler15 hr
Aug 28, 8:34 AM CDTRiver Flood WarningLCHHardin, Jasper, Jefferson, Orange27 hr
Aug 28, 9:00 AM CDTSpecial Weather StatementLCHHardin, Jefferson, Orange60 min
Aug 28, 12:37 PM CDTSpecial Weather StatementLCHJefferson38 min
Aug 28, 12:58 PM CDTSevere Thunderstorm WarningLCHJefferson, Orange47 min
Aug 28, 1:28 PM CDTFlash Flood WarningLCHJefferson3 hr
Aug 28, 1:37 PM CDTSpecial Weather StatementLCHNewton38 min
Aug 28, 2:24 PM CDTSpecial Weather StatementLCHJasper, Newton51 min
Aug 28, 2:31 PM CDTSpecial Weather StatementLCHTyler59 min
Aug 28, 3:05 PM CDTSevere Thunderstorm WarningLCHTyler55 min
Aug 28, 3:10 PM CDTSpecial Weather StatementLCHHardin50 min
Aug 28, 3:26 PM CDTSpecial Weather StatementLCHHardin49 min
Aug 28, 3:45 PM CDTSpecial Weather StatementLCHHardin45 min
Aug 28, 4:01 PM CDTSpecial Weather StatementLCHJefferson44 min
Aug 28, 4:24 PM CDTSpecial Weather StatementLCHOrange51 min
Aug 28, 4:42 PM CDTSpecial Weather StatementLCHHardin, Tyler48 min
Aug 28, 4:44 PM CDTSpecial Weather StatementLCHJefferson, Orange46 min
Aug 28, 4:52 PM CDTFlash Flood WarningLCHJefferson80 min

Nearby

Severe Thunderstorm Warnings in Texas, 2020Every severe thunderstorm warning in 2020

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.