A backdoor cold front was slowly moving southwestward from Tennessee towards the Mississippi gulf coast on June 24th. Strong daytime heating ahead of the front increased surface instability which provided the potential for robust updrafts.
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 LIX wrote it up.
A backdoor cold front was slowly moving southwestward from Tennessee towards the Mississippi gulf coast on June 24th. Strong daytime heating ahead of the front increased surface instability which provided the potential for robust updrafts. As the strongest storm along the front moved into coastal counties of Mississippi, frequent cloud to ground lightning strikes resulted in 2 separate house fires. No injuries were reported.
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 New Orleans, LA wrote its last area forecast discussion before the first event at Jun 24, 5:10 AM CST, 9 hours 40 minutes earlier.
Area Forecast Discussion...UPDATED
National Weather Service New Orleans LA
610 AM CDT Mon Jun 24 2024
...NEW AVIATION...
.SHORT TERM...
(Today through Tuesday Night)
Issued at 248 AM CDT Mon Jun 24 2024
The main story today will be the heat. Upper level ridging will
continue to spread eastward along the Gulf Coast today. Low level
moisture will be on the increase today as well, which coupled with
the hot afternoon temperatures will lead to heat index values to
climb into the 108-110F range outside of the immediate Louisiana
Coast. That said, there could be some late afternoon relief in the
from of isolated to scattered showers and thunderstorms, however,
subsidence should keep most of this activity low-topped and
rather low in coverage. Outside of the heat advisory for much of
the region, wanted to focus on another Coastal Flood Advisory for
coastal Hancock Co., MS. Water levels followed closer to the
P-ETTS guidance yesterday and today should be roughly about the
same, so around high tide expect some minor water rises in those
known low-lying coastal trouble spots respectively.
Tonight, if we do get a little rain, some shallow ground fog may
be possible, but given the low coverage didn't add to the forecast
now. Outside of the rain and wet grounds, there could be some
moisture pooling along a weak surface boundary that will move in
and stall across the region later this evening before it begins to
dissipate. As it fades to a remnant trough on Tuesday, it will be
just enough to interact with the diurnal cycle to help generate a
few more isolated to scattered showers/storms on Tuesday as well.
Similarly, coverage will be on the limited side. Otherwise, we'll
likely need another heat advisory on Tuesday as temps will reach
thresholds likely before any convection can develop. (Frye)
&&
.LONG TERM...
(Wednesday through Sunday)
Issued at 248 AM CDT Mon Jun 24 2024
On Wednesday, more numerous showers and thunderstorms are
anticipated as another surface boundary and parent upper level
trough begins to slide southward on the eastern periphery of the
upper level ridge across the Southwest U.S. This will likely help
keep the heat in check slightly (it will still be hot, but largely not
advisory hot). This weak surface boundary does stall across the
Gulf Coast region and with a series of upper level impulses
likely to interact with peak daytime heating as well as mesoscale
boundaries (outflow or lake/sea Breeze). So, continued mid to
higher-end POPs from this point through the end of the workweek.
Going into the upcoming weekend, the upper level ridge spreads
east again, which signals more heat for the southeast. Our region
will be in easterly flow aloft with a few inverted upper
shortwaves moving overhead. Carried POPs naturally to account for
this, but the question is how soon can convection develop and will
it impact day time highs and max heat index values? We will
continue to monitor this through the week in case there may be a
need for additional heat advisories later in the forecast period.
(Frye)
&&
.AVIATION...
(12Z TAFS)
Issued at 606 AM CDT Mon Jun 24 2024
VFR conditions expected today with light and variable winds
through the forecast period. That said, some afternoon convection
will develop leading to SHRA or TS potential respectively. Covered
this with PROB30s for now. Otherwise, will need to watch terminals
along and west of I55 for potential fog development later in the
period, especially BTR, MCB, and HUM...and especially if we get
rain over these locations this afternoon. (Frye)
&&
.MARINE...
Issued at 248 AM CDT Mon Jun 24 2024
Surface winds should remain southerly and be mostly light to
moderate leading to mostly benign marine conditions through the
period. A front will move toward the region early to mid week and
perhaps another late in the week, which will help keep the
pressure gradient on the lower side (outside diurnal upticks in
wind across the MS Sound). Otherwise, convection will be possible
especially during the overnight, which could locally increase
winds and seas. (Frye)
&&
.PRELIMINARY POINT TEMPS/POPS...
MCB 93 74 95 74 / 40 20 50 20
BTR 98 78 98 77 / 40 20 50 10
ASD 96 77 95 77 / 50 30 50 10
MSY 95 79 94 79 / 30 30 50 10
GPT 94 77 95 78 / 40 20 40 20
PQL 97 77 98 77 / 40 20 30 20
&&
.LIX WATCHES/WARNINGS/ADVISORIES...
LA...Heat Advisory from noon today to 7 PM CDT this evening for
LAZ034>037-039-046>048-056>060-064-065-071-076>090.
GM...None.
MS...Heat Advisory from noon today to 7 PM CDT this evening for
MSZ068>071-077-083>088.
Coastal Flood Advisory until 7 PM CDT this evening for MSZ086.
GM...None.
&&
SHORT TERM...RDF
LONG TERM....RDF
AVIATION...RDF
MARINE...RDFThe Mobile radar (KMOB), 68 km away, was scanning. The volume nearest the first event began at 20:47 UTC.
2 lightning. Local standard time, as filed.
Lightning struck and damaged a house on Woodmanse Way. Time estimated by radar and lightning data network.
Lightning struck and damaged to 2 homes on Red Bud Drive. Time estimated by radar and lightning data network.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Mississippi in 2024Every state in 2024This day in weather historyWarnings in Mississippi, June 2024
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: 1193101, 1193102.