Alert archive / Texas / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 100, NWS Lake Charles, LA
NWS Lake Charles, LA issued this severe thunderstorm warning at Aug 26, 2020, 12:30 PM CDT for 4 parishes in Louisiana; 5 counties in Texas. It was in force for 60 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 26, 2020, 12:30 PM CDT (17:30 UTC)
- Expired
- Aug 26, 2020, 1:30 PM CDT
- In force
- 60 min
- Issued by
- NWS Lake Charles, LA
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Beauregard Parish, LA, Calcasieu Parish, LA, Cameron Parish, LA, Jefferson Davis Parish, LA, Hardin County, TX, Jasper County, TX, Jefferson County, TX, Newton County, TX, Orange County, TX
The radar
The Lake Charles radar (KLCH), 47 km from the middle of the area, began a volume at 17:33 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, 5.5 hours before the alert went out and 49 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.
- Mixed-layer CAPE
- 1484 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 605 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 147 m²/s²
- 0-3 km storm-relative helicity
- 160 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 6.3
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 26, 6:09 AM CDT, 6 hours 21 minutes earlier.
Area forecast discussion, Aug 26, 6:09 AM CDT, 6 hours 21 minutes before
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</html>Hazardous weather outlook, Aug 26, 5:22 AM CDT, 7 hours 8 minutes before
Hazardous Weather Outlook National Weather Service Lake Charles LA 522 AM CDT Wed Aug 26 2020 LAZ041>043-052-073-074-TXZ215-216-271030- Calcasieu-Jefferson Davis-Acadia-Vermilion-West Cameron-East Cameron- Jefferson-Orange- 522 AM CDT Wed Aug 26 2020 ...HURRICANE WARNING IN EFFECT... ...STORM SURGE WARNING IN EFFECT... ...FLASH FLOOD WATCH IN EFFECT FROM 1 PM CDT THIS AFTERNOON THROUGH THURSDAY EVENING... This Hazardous Weather Outlook is for southwest Louisiana and southeast Texas. .DAY ONE...Today and tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Storm Surge Warning. Hurricane Warning. Flash Flood Watch. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Storm Surge Warning. Hurricane Warning. Flash Flood Watch. .SPOTTER INFORMATION STATEMENT... Spotter activation will likely be needed. LAZ053>055-271030- Iberia-St. Mary-Lower St. Martin- 522 AM CDT Wed Aug 26 2020 ...STORM SURGE WARNING IN EFFECT... ...TROPICAL STORM WARNING IN EFFECT... ...HURRICANE WATCH IN EFFECT... ...FLASH FLOOD WATCH IN EFFECT FROM 1 PM CDT THIS AFTERNOON THROUGH THURSDAY EVENING... This Hazardous Weather Outlook is for south central Louisiana. .DAY ONE...Today and tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Storm Surge Warning. Hurricane Watch. Tropical Storm Warning. Flash Flood Watch. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Storm Surge Warning. Hurricane Watch. Tropical Storm Warning. Flash Flood Watch. .SPOTTER INFORMATION STATEMENT... Spotter activation will likely be needed. GMZ430-432-450-452-470-472-271030- Sabine Lake-Calcasieu Lake- Coastal waters from Cameron LA to High Island TX out 20 NM- Coastal waters from Intracoastal City to Cameron 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- 522 AM CDT Wed Aug 26 2020 ...HURRICANE WARNING IN EFFECT... This Hazardous Weather Outlook is for the Gulf of Mexico and the coastal lakes and bays of the Gulf of Mexico. .DAY ONE...Today and tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Hurricane Warning. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Hurricane Warning. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. LAZ027-028-030>032-TXZ180-201-259>262-271030- Vernon-Rapides-Beauregard-Allen-Evangeline-Tyler-Hardin- Northern Jasper-Northern Newton-Southern Jasper-Southern Newton- 522 AM CDT Wed Aug 26 2020 ...HURRICANE WARNING IN EFFECT... ...FLASH FLOOD WATCH IN EFFECT FROM 1 PM CDT THIS AFTERNOON THROUGH THURSDAY EVENING... This Hazardous Weather Outlook is for central Louisiana, southwest Louisiana, west central Louisiana and southeast Texas. .DAY ONE...Today and tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Hurricane Warning. Flash Flood Watch. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Hurricane Warning. Flash Flood Watch. .SPOTTER INFORMATION STATEMENT... Spotter activation will likely be needed. LAZ029-033-044-045-271030- Avoyelles-St. Landry-Lafayette-Upper St. Martin- 522 AM CDT Wed Aug 26 2020 ...TROPICAL STORM WARNING IN EFFECT... ...FLASH FLOOD WATCH IN EFFECT FROM 1 PM CDT THIS AFTERNOON THROUGH THURSDAY EVENING... This Hazardous Weather Outlook is for central Louisiana and south central Louisiana. .DAY ONE...Today and tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Tropical Storm Warning. Flash Flood Watch. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Tropical Storm Warning. Flash Flood Watch. .SPOTTER INFORMATION STATEMENT... Spotter activation will likely be needed. GMZ435-455-475-271030- Vermilion Bay- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- Waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM- 522 AM CDT Wed Aug 26 2020 ...TROPICAL STORM WARNING IN EFFECT... ...HURRICANE WATCH IN EFFECT... This Hazardous Weather Outlook is for the Gulf of Mexico and the coastal lakes and bays of the Gulf of Mexico. .DAY ONE...Today and tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Hurricane Watch. Tropical Storm Warning. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Hurricane Watch. Tropical Storm Warning. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time.
In the hours before
Special weather statement, Aug 26, 10:20 AM CDT, 2 hours 10 minutes before
Special Weather Statement
National Weather Service Lake Charles LA
Issued by National Weather Service Brownsville TX
1020 AM CDT Wed Aug 26 2020
LAZ042>045-052>055-073-074-TXZ215-261630-
West Cameron LA-Lower St. Martin LA-Acadia LA-Iberia LA-
Jefferson Davis LA-Lafayette LA-Vermilion LA-Upper St. Martin LA-
St. Mary LA-East Cameron LA-Jefferson TX-
1020 AM CDT Wed Aug 26 2020
...SIGNIFICANT WEATHER ADVISORY FOR LAFAYETTE...CAMERON...IBERIA...
ST. MARY...SOUTHEASTERN JEFFERSON DAVIS...SOUTHERN ACADIA...
SOUTHEASTERN CALCASIEU...VERMILION...ST. MARTIN...SOUTHERN ST. LANDRY
PARISHES IN CENTRAL LOUISIANA AND SOUTHEASTERN JEFFERSON COUNTIES
UNTIL 1130 AM CDT...
At 1019 AM CDT, Doppler radar was tracking strong outer band from
Hurricane Laura along a line extending from 46 miles southeast of
Galveston Pleasure Pier to 36 miles south of Grand Chenier to 14
miles southwest of Cypremort Point to 17 miles south of Amelia.
Movement was north at 45 mph.
Wind gusts of 50 to 55 mph will be possible with these storms.
Locations impacted include...
Lafayette, Port Arthur, New Iberia, Crowley, Morgan City, Abbeville,
Catahoula, Scott, Breaux Bridge and Rayne.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
office in Lake Charles.
&&
LAT...LON 2935 9138 2955 9141 2956 9142 2941 9149
2942 9149 2964 9157 2951 9190 2941 9185
2958 9205 2958 9260 2980 9334 2956 9435
2998 9334 2986 9344 2981 9335 3001 9327
3037 9206 3029 9161 3004 9123 2963 9108
TIME...MOT...LOC 1519Z 172DEG 38KT 2871 9441 2925 9312 2956 9198 2942
9115
CBSpecial weather statement, Aug 26, 11:29 AM CDT, 1 hour 1 minute before
Special Weather Statement
National Weather Service Lake Charles LA
Issued by National Weather Service Brownsville TX
1129 AM CDT Wed Aug 26 2020
LAZ041>044-052>054-073-074-261730-
West Cameron LA-Calcasieu LA-Acadia LA-Iberia LA-Jefferson Davis LA-
Lafayette LA-Vermilion LA-St. Mary LA-East Cameron LA-
1129 AM CDT Wed Aug 26 2020
...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN LAFAYETTE...
CAMERON...WESTERN IBERIA...CENTRAL ST. MARY...SOUTHEASTERN JEFFERSON
DAVIS...SOUTHWESTERN ACADIA...SOUTHEASTERN CALCASIEU AND VERMILION
PARISHES UNTIL 1230 PM CDT...
At 1127 AM CDT, Doppler radar was tracking a strong squall line of
tropical showers along a line extending from Grand Chenier to 7
miles south of Wright to NEAR Cypremort Point. Movement was
northwest at 35 mph.
Wind gusts up to 50 mph will be possible with these storms.
Locations impacted include...
Lafayette, Abbeville, Jennings, Cameron, Kaplan, Welsh, Lake Arthur,
Gueydan, Mermentau and Freshwater City.
LAT...LON 2958 9205 2953 9229 2958 9263 2984 9327
3004 9328 3005 9329 2987 9335 3001 9365
3023 9290 3015 9206 2948 9128 2946 9130
2956 9142 2952 9155 2964 9157 2963 9165
2949 9177 2951 9190 2943 9183
TIME...MOT...LOC 1627Z 122DEG 29KT 2976 9295 2989 9245 2976 9179
MejiaSpecial weather statement, Aug 26, 11:44 AM CDT, 46 minutes before
Special Weather Statement
National Weather Service Lake Charles LA
Issued by National Weather Service Brownsville TX
1144 AM CDT Wed Aug 26 2020
LAZ073-TXZ201-215-216-261-261815-
West Cameron LA-Orange TX-Jefferson TX-Hardin TX-Southern Jasper TX-
1144 AM CDT Wed Aug 26 2020
...A LINE OF TROPICAL SHOWERS WILL AFFECT NORTHWESTERN CAMERON
PARISH... JEFFERSON...SOUTHEASTERN HARDIN...ORANGE AND SOUTH CENTRAL
JASPER COUNTIES UNTIL 115 PM CDT...
At 1141 AM CDT, Doppler radar indicated showers were located along a
line extending from 8 miles southeast of Johnsons Bayou to 28 miles
south of Gilchrist. Movement was northwest at 30 mph.
Wind gusts up to 50 mph are possible with these showers. Tropical
funnels and waterspouts are possible.
Locations impacted include...
Beaumont, Port Arthur, Orange, Nederland, Groves, Port Neches,
Lumberton, Vidor, Bridge City and West Orange.
LAT...LON 2989 9436 2989 9444 3008 9444 3037 9407
2977 9344 2974 9375 2969 9384 2980 9391
2985 9379 2997 9376 3000 9379 2998 9383
2999 9386 2998 9384 2997 9384 2981 9395
2981 9393 2968 9385 2967 9405 2956 9435
TIME...MOT...LOC 1641Z 135DEG 26KT 2969 9355 2913 9432
MejiaSpecial weather statement, Aug 26, 12:14 PM CDT, 16 minutes before
Special Weather Statement
National Weather Service Lake Charles LA
Issued by National Weather Service Brownsville TX
1214 PM CDT Wed Aug 26 2020
LAZ030-041-042-073-074-TXZ201-216-260>262-261845-
West Cameron LA-Calcasieu LA-Jefferson Davis LA-Beauregard LA-
East Cameron LA-Orange TX-Hardin TX-Southern Newton TX-
Northern Newton TX-Southern Jasper TX-
1214 PM CDT Wed Aug 26 2020
...A LINE OF TROPICAL SHOWERS AND THUNDERSTORMS WILL AFFECT NORTHERN
CAMERON...SOUTHERN JEFFERSON DAVIS...SOUTHWESTERN
BEAUREGARD...SOUTHWESTERN ACADIA... CALCASIEU...NORTHWESTERN
VERMILION AND SOUTHWESTERN ALLEN PARISHES... SOUTHWESTERN
NEWTON...EAST CENTRAL HARDIN...ORANGE AND SOUTHEASTERN JASPER
COUNTIES UNTIL 145 PM CDT...
At 1209 PM CDT, Doppler radar indicated thunderstorms along a line
extending from NEAR Thornwell to NEAR Hackberry. Movement was
northwest at 35 mph.
Wind gusts of 50 to 55 mph will be possible with these storms.
Tropical funnels and brief tornadoes are also possible.
Locations impacted include...
Lake Charles, Sulphur, Orange, Lumberton, Vidor, Bridge City,
Cameron, Silsbee, Westlake and West Orange.
LAT...LON 3052 9395 3052 9389 3055 9388 3072 9352
3047 9313 3042 9313 3042 9307 3013 9262
3007 9263 3004 9272 3003 9262 3003 9263
2976 9314 2978 9323 2976 9334 2977 9334
2979 9332 2980 9333 2976 9335 3035 9432
TIME...MOT...LOC 1709Z 125DEG 31KT 3015 9283 2991 9334
MejiaThe office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 26, 10:13 AM CDT | Special Marine Warning | LCH | 2 hr | |
| Aug 26, 10:20 AM CDT | Special Weather Statement | LCH | Cameron, Iberia, Lafayette, Saint Martin, St. Mary, Vermilion | 70 min |
| Aug 26, 11:29 AM CDT | Special Weather Statement | LCH | Cameron, Iberia, St. Mary, Vermilion | 61 min |
| Aug 26, 12:14 PM CDT | Special Weather Statement | LCH | Calcasieu, Cameron | 91 min |
| Aug 26, 12:46 PM CDT | Special Weather Statement | LCH | Acadia, Cameron, Iberia, Jefferson Davis, St. Mary, Vermilion | 44 min |
| Aug 26, 1:10 PM CDT | Tornado Warning | LCH | Acadia, Cameron, Jefferson Davis, Vermilion | 20 min |
| Aug 26, 2:08 PM CDT | Tornado Warning | LCH | Acadia | 22 min |
| Aug 26, 2:28 PM CDT | Tornado Warning | LCH | Acadia, Allen, Evangeline, Jefferson Davis | 14 min |
| Aug 26, 3:11 PM CDT | Tornado Warning | LCH | Avoyelles, Evangeline, Rapides, Saint Landry | 19 min |
| Aug 26, 3:18 PM CDT | Tornado Warning | LCH | Beauregard | 27 min |
| Aug 26, 3:27 PM CDT | Tornado Warning | LCH | Avoyelles, Evangeline, Rapides | 18 min |
| Aug 26, 3:37 PM CDT | Tornado Warning | LCH | Vernon | 23 min |
| Aug 26, 4:18 PM CDT | Special Weather Statement | LCH | Avoyelles, Rapides, Vernon | 42 min |
| Aug 26, 4:50 PM CDT | Special Marine Warning | LCH | 25 min | |
| Aug 26, 11:44 AM CDT | Special Weather Statement | LCH | Jefferson, Orange | 91 min |
| Aug 26, 1:30 PM CDT | Special Weather Statement | LCH | Hardin, Orange, Tyler | 60 min |
| Aug 26, 2:03 PM CDT | Tornado Warning | LCH | Hardin, Tyler | 12 min |
| Aug 26, 2:15 PM CDT | Tornado Warning | LCH | Hardin, Tyler | 30 min |
| Aug 26, 2:40 PM CDT | Tornado Warning | LCH | Tyler | 20 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2020Severe Thunderstorm Warnings in Louisiana, 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; radar from the NEXRAD Level II archive.