A very hot and unstable air mass devolved into scattered afternoon thunderstorms. A few storms became severe after most locations topped 100 degrees.
Every event with a place to put it. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS LCH wrote it up.
A very hot and unstable air mass devolved into scattered afternoon thunderstorms. A few storms became severe after most locations topped 100 degrees.
The local office's own words before the first event, 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 the first event at Jul 31, 2:02 PM CST, 1 hour 55 minutes earlier.
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</html>Hazardous Weather Outlook National Weather Service Lake Charles LA 231 PM CDT Mon Jul 31 2023 LAZ027>033-044-045-055-073-074-141>143-152>154-241>243-252>254- TXZ201-261-262-515-516-615-616-011945- Vernon-Rapides-Avoyelles-Beauregard-Allen-Evangeline-St. Landry- Lafayette-Upper St. Martin-Lower St. Martin-West Cameron- East Cameron-Northern Calcasieu-Northern Jefferson Davis- Northern Acadia-Upper Vermilion-Upper Iberia-Upper St. Mary- Southern Calcasieu-Southern Jefferson Davis-Southern Acadia- Lower Vermilion-Lower Iberia-Lower St. Mary-Hardin-Southern Jasper- Southern Newton-Upper Jefferson-Northern Orange-Lower Jefferson- Southern Orange- 231 PM CDT Mon Jul 31 2023 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING... ...EXCESSIVE HEAT WARNING IN EFFECT FROM 10 AM TO 7 PM CDT TUESDAY... ...EXCESSIVE HEAT WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY EVENING... This Hazardous Weather Outlook is for central Louisiana, south central Louisiana, southwest Louisiana, west central Louisiana and 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. Max temperatures between 105 and 108 degrees combined with dewpoints in the upper 60s or lower 70s will lead to heat index values peaking between 110 and 115 degrees across the area this afternoon. A few showers or thunderstorms are possible, with a Marginal Risk (level 1 of 5) for severe weather. The main threat will be damaging wind gusts. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Excessive Heat Warning. Excessive Heat Watch. Our heat wave will continue over the region through the coming work week with heat index values ranging from 105 to 115 degrees each afternoon...expect additional heat advisories. Isolated to scattered thunderstorms will develop each day next week. No severe weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. TXZ180-259-260-011945- Tyler-Northern Jasper-Northern Newton- 231 PM CDT Mon Jul 31 2023 ...EXCESSIVE HEAT WARNING IN EFFECT UNTIL 7 PM CDT THIS EVENING... ...EXCESSIVE HEAT WARNING IN EFFECT FROM 10 AM TO 7 PM CDT TUESDAY... ...EXCESSIVE HEAT WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY 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. Excessive Heat Warning. Max temperatures between 105 and 108 degrees combined with dewpoints in the upper 60s or lower 70s will lead to heat index values peaking between 110 and 115 degrees across the area this afternoon. A few showers or thunderstorms are possible, with a Marginal Risk (level 1 of 5) for severe weather. The main threat will be damaging wind gusts. It is strongly advised to stay alert to the forecast for potential upgrades to an Excessive Heat Warning across the rest of the area today! .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Excessive Heat Warning. Excessive Heat Watch. Our heat wave will continue over the region through the coming work week with heat index values ranging from 105 to 115 degrees each afternoon...expect additional heat advisories. Isolated to scattered thunderstorms will develop each day next week. No severe weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. GMZ430-432-435-436-450-452-455-470-472-475-011945- Sabine Lake-Calcasieu Lake-Vermilion and West Cote Blanche Bays- Atchafalaya and East Cote Blanche Bays- 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- Coastal waters from Cameron LA to High Island TX from 20 to 60 NM- Coastal waters from Intracoastal City to Cameron LA from 20 to 60 NM- Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM- 231 PM CDT Mon Jul 31 2023 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. Isolated showers and thunderstorms will be possible. No severe weather is expected at this time. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Isolated to scattered thunderstorms will develop each day next week. No severe weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time.
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</html>The Lake Charles radar (KLCH), 45 km away, was scanning. The volume nearest the first event began at 21:55 UTC.
5 thunderstorm wind. Local standard time, as filed.
A mobile home had the tin roof partially peeled off.
Large tree branches were snapped in a severe storm.
Trees were downed between Maurice and Milton.
Two hanger doors at Chris Crusta Memorial Airport received minor damage. A tree was also downed near by.
Large branches were broken from a thunderstorm.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Louisiana in 2023Every state in 2023This day in weather historyWarnings in Louisiana, July 2023
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 1120079, 1120077, 1120080, 1120081, 1120078.