-- Discussion containing changed information from previous version are highlighted. --
849
FXUS64 KSHV 230134
AFDSHV

Area Forecast Discussion
National Weather Service Shreveport LA
834 PM CDT Wed May 22 2024

...New AVIATION...

.UPDATE...
Issued at 527 PM CDT Wed May 22 2024

Headlines for Severe Thunderstorm Watch 290 until 11 pm

&&

.SHORT TERM...
(This evening through Thursday Night)
Issued at 527 PM CDT Wed May 22 2024

No changes to forecast parameters needed as they were already in
place, but we have a pre period issuance to cover the remaining
afternoon portion. /24/

&&

.LONG TERM...
(Friday through next Tuesday)
Issued at 250 PM CDT Wed May 22 2024

As of this writing, Friday looks to begin with a discernible gap in
the precip grids, but this may be wise to take with a grain of salt,
as the ArkLaTex feels locked into something of a "rinse and repeat"
forecast cycle for at least a few more days while the pseudo-
stationary surface boundary draped along our north continues to work
with in tandem with upper level flow to steer one round of storms
after another into our region. This looks to be the case once again
by Friday evening, with storm chances along and north of the I-20
corridor developing and continuing overnight before diminishing
Saturday morning, followed by some drying Saturday afternoon and a
similar performance overnight into Sunday, this time restrained
largely to the I-30 corridor and areas to the north. Details
regarding coverage and timing are, of course, subject to change.

The weekend will see persistent southerly flow reinforce the warming
trend experienced this week, with widespread highs in the low 90s
across the region and an increase in highs climbing into the middle
90s, in concert with dewpoints in the low to mid 70s, these will
make for uncomfortable to oppressive humidity for portions of the
region before a regime change finally takes effect.

Said pattern shift looks to manifest during the day Monday, as the
upper level troughing associated with the surface boundary finally
gets nudged north and east by a building ridge out of the west. This
transitional pattern will allow for northwesterly flow to return
area lows to the 60s and highs to the 80s through at least the
middle of next week, followed by a fairly quick return to the 90s by
the end of this extended forecast period.

/26/

&&

.AVIATION...
-- Changed Discussion --
(00Z TAFS)
Issued at 752 PM CDT Wed May 22 2024

For the 23/00Z TAF period, a very active terminal forecast period
is expected with strong to severe convection affecting much of our
airspace. This will result in greatly reduced cigs/vsbys with MVFR
and IFR conditions expected with the majority of this convection.
A slight lull in activity will likely come after midnight through
around daybreak before additional convective activity develops and
spreads south into our airspace through the day on Thursday. Some
improvement in cigs will come later in the period, but convection
may limit this improvement. Winds will be largely variable through
the period and occasional higher gusts invof of convection with
some possibly in excess of 40-50 kts with the most intense storms.

/19/
-- End Changed Discussion --

&&

.PRELIMINARY POINT TEMPS/POPS...
SHV  72  90  73  93 /  70  20  30   0
MLU  70  90  71  93 /  60  20  20   0
DEQ  66  84  67  87 /  60  50  60  10
TXK  69  87  70  91 /  70  40  50  10
ELD  67  87  68  91 /  80  30  40  10
TYR  70  88  73  92 /  70  20  20   0
GGG  70  88  72  91 /  70  20  30   0
LFK  71  91  73  93 /  40  10   0   0

&&

.SHV WATCHES/WARNINGS/ADVISORIES...
AR...None.
LA...None.
OK...None.
TX...None.
&&

$$

SHORT TERM...24
LONG TERM....26
AVIATION...19