A pair of high wind gusts recorded from isolated severe storms in Louisiana.
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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 pair of high wind gusts recorded from isolated severe storms in Louisiana.
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 Sep 26, 2:06 PM CST, 1 hour 51 minutes earlier.
Area Forecast Discussion National Weather Service Lake Charles LA 306 PM CDT Tue Sep 26 2023 ...New SHORT TERM, LONG TERM, MARINE, FIRE WEATHER... .SHORT TERM... (Tonight through Thursday night) Issued at 252 PM CDT Tue Sep 26 2023 The front that moved through yesterday has become quasi stationary across the CWA. This helped in getting activity kicked off this morning and will assist in increasing the coverage of storms later this afternoon around peak heating. Currently we have widely isolated showers and storms on radar, with most of the activity concentrated along the coast and CenLA to south CenLA. Looking at the models and taking consideration of the conditions expected tonight, it will not be out of the realm of possibility to get some patchy fog. The models are a bit skittish as to locations, however light patchy is possible for a majority of the CWA, with denser conditions in a few susceptible areas. Whatever fog does form will build in around be quick to burn off after sunrise. Not much in the way can be expected as far as showers and storms are concerned for the rest of the short term. The NBM continues to be too ambitious on PoPs, so they were lowered using a blend. The stationary front will wash out and we will have drier air make its way into the region, then a bit of that will make it to the surface. This will not immediately spell fire danger conditions, however that will be something that will be monitored particularly going into the long term. Temperatures for the entire short term will be mostly uniform with a slight uptick in max temps but a decrease in the min temps and dewpoints. Highs will be in the lower to mid 90s with lows in the mid 60s inland to lower 70s near the coast. Stigger/87 && .LONG TERM... (Friday through next Monday) Issued at 252 PM CDT Tue Sep 26 2023 Friday afternoon an upper level disturbance along the central/western Gulf of Mexico will start to accelerate northeastward over the eastern Gulf and later the Eastern Seaboard into the weekend. Forecast soundings aren’t too impressive for our southern counties and coastal parishes with respect to surface and mid/upper level moisture profiles. These generally trend under 50% in the 1000-500mb layer as the column dries. Therefore only isolated chances of POPS along the coast with some more isolated to scattered showers/storms offshore as this features skirts to the Appalachia Bay. Meanwhile, upstream, an upper level ridge over Mexico and Western Texas will follow and continue to dry us out at the surface with winds keeping a due Easterly flow through Sunday. Subsidence aloft will keep conditions generally partly cloudy to clear at the surface allowing diurnal heating to yield many locations into the low to mid 90’s Sunday into the early start of the upcoming work week. Climatological departures will likely range roughly 5-10 degrees above expected norms for most of our locations area wide. This ridge pattern appears to remain in place into the middle of next week keeping a due easterly sfc flow. Turning our attention to the Pacific northwest, the next tangible sign of weakening in the ridge pattern will be a developing surface low into the Rockies as the associated shortwave accelerates toward the upper Mississippi Valley by Wednesday. Still a little uncertainty in the strength of the associated cold front as it moves southward toward Eastern Texas and Louisiana as long range guidance shows this feature weakening toward the srn CONUS, but thereafter Wednesday would be when the ridge begins to shift further east allowing some more moisture to return to the column. Thus, it is worth mentioning a concern for fire weather may be present through the weekend and early next week given we’ll likely have widespread rain free conditions with some periodic diurnal RH values in the 30- 40% range ahead of any possible relief following next Wednesday. Kowalski/30 && .AVIATION... (18Z TAFS) Issued at 1240 PM CDT Tue Sep 26 2023 Mostly VFR with some MVFR mid level CIGs ongoing this afternoon. There is a front that is bisecting the region. We saw a few isolated storms as a result of that this morning along the coast. Additional showers and storms are have resumed this afternoon, with more expected in the evening hours before tapering off tonight. Looking at the models and taking conditions expected tonight, it will not be out of the realm of possibility to get some patchy fog. The models are a bit skittish as to locations, however ran with it for all areas early morning tomorrow. Whatever fog does form will be quick to burn off after sunrise. Otherwise expect light and variable winds, especially tonight, with winds organizing out of the northeast tomorrow. Stigger/87 && .MARINE... Issued at 252 PM CDT Tue Sep 26 2023 A frontal boundary will stall along the Louisiana coastline today and tonight resulting in widespread showers and thunderstorms over the waters. Nocturnal showers and storms will be possible each morning this week. A tightening pressure gradient over coastal waters will result in increasing winds and seas starting Friday. && .FIRE WEATHER... Issued at 252 PM CDT Tue Sep 26 2023 Another round of showers and thunderstorms will be possible today along a stationary boundary sitting over top the region. Not expecting widespread coverage, but scattered convection will be possible, particularly during the afternoon and early evening hours. Starting Wednesday, dry air will move into the SE TX and SW LA. This will lower rain chances. Temperatures will be slightly above normal for the rest of the week. Primary concerns with storms today will be volatile wind shifts and frequent cloud to ground lightning with storms. Starting midweek and continuing into early next week, conditions for fire weather will need to be monitored closely over parts of interior SETX and CenLA initially, then across the entire CWA later in the period. RH will begin to bottom out in the mid 30s midweek, then upper 20s to mid 30s area wide for the end of the week through the weekend. && .PRELIMINARY POINT TEMPS/POPS... AEX 68 95 67 94 / 10 10 0 10 LCH 71 93 71 92 / 20 20 10 10 LFT 73 95 73 93 / 20 20 10 20 BPT 71 95 72 95 / 30 20 10 10 && .LCH WATCHES/WARNINGS/ADVISORIES... LA...None. TX...None. GM...None. && SHORT TERM...87 LONG TERM....30 AVIATION...87
The Lake Charles radar (KLCH), 1 km away, was scanning. The volume nearest the first event began at 21:56 UTC.
2 thunderstorm wind. Local standard time, as filed.
A wind gust of 64 mph was recorded at the Lake Charles Regional Airport.
KOPL in Opelousas recorded a wind gust of 61 mph.
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, September 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 2026-09-24. Each event’s entry at NCEI: 1142369, 1142368.