823
FXUS64 KTSA 110810
AFDTSA

Area Forecast Discussion
National Weather Service Tulsa OK
310 AM CDT Sat May 11 2024

...New SHORT TERM, LONG TERM...

.SHORT TERM...
(Today)
Issued at 304 AM CDT Sat May 11 2024

High pressure persists today with the upper level ridge axis
shifting overhead this afternoon & evening. Mostly clear to partly
cloudy skies are forecast for much of the area to start the
day... though mid and high level cloud debris from TX convection
will likely be increasing by afternoon & evening, especially
across SE OK.

Guidance suggests a weak front will push into the AR zones later
this afternoon. While this will likely be of no significance...
some short range guidance hints at just enough forcing along the
boundary to squeeze out a shower or two in the terrain. Kept PoPs
below mentionable values, however, due to low confidence and
expected sparse coverage/ negligible QPF. Could also see some
light showers scrape the Red River late in the afternoon, but
again, kept PoPs below mentionable for now.

Otherwise, a pleasant day is in store with seasonably warm
temperatures (generally near 80 degrees for the region) alongside
calm winds.

&&

.LONG TERM...
(Tonight through Friday)
Issued at 304 AM CDT Sat May 11 2024

A cutoff low currently over the desert southwest will gradually
drift eastward tonight providing increasingly SW flow over the
CWA. Moisture transport will be increasing during this time and
rain/ thunder chances really begin to ramp up by Sunday afternoon
under isentropic ascent regime. Precip chances persist into Monday
as a sfc low translates east-northeast across the CWA, dragging a
cold front with it. The front is expected to be the focus for
storm development Monday afternoon & evening, with the highest
PoPs currently placed over NE OK & NW AR. While storms should
remain sub severe Sunday & Sun night, it is not out of question to
see a marginal severe threat on Monday across SE OK & W-Central
AR where instability will be the greatest. Potentially of greater
concern, however, is the threat for heavy rainfall with PWATs
landing in the 1 to 1.5" range Sunday & Monday (near 90th
percentile). The WPC has painted a marginal risk for excessive
rainfall across the entire CWA for this period. Most precip should
end Monday night/ Tuesday morning as the low departs, though
guidance suggests at least light precip could persist into Tuesday
afternoon for AR zones.

Transitory ridging will keep the forecast dry Tuesday night into
Wednesday morning. Negative height anomalies return to the region
for the second half of the week with several passing disturbances
promoting elevated rain & thunder potential Wednesday through
Friday. To be expected for this time of year... at least a limited
threat for severe weather will accompany this activity. PWATs
remain high during this period as well, with locally heavy
rainfall remaining a concern... especially given the recent
rainfall across the FA.

Temperatures generally remain near seasonal averages through the
period... highs in the upper 70s/ lower 80s and lows in the upper
50s/ lower 60s. Winds will tend to become occasionally breezy as
each weather system impacts the region, though still remaining in
the 20-30 mph range at most.

&&

.AVIATION...
(06Z TAFS)
Issued at 1151 PM CDT Fri May 10 2024

VFR conditions will prevail through the period, with mainly high
clouds expected. Winds will remain under 10 kts, with the AR
terminals having a prevailing westerly wind primarily from late
morning into early evening.

&&

.PRELIMINARY POINT TEMPS/POPS...
TUL   83  59  76  61 /   0  10  30  90
FSM   83  60  79  62 /   0  10  20  80
MLC   83  59  75  62 /  10  10  40  80
BVO   82  55  77  58 /   0  10  30  90
FYV   80  54  76  58 /  10  10  20  90
BYV   78  55  77  59 /  10   0  20  80
MKO   81  59  77  61 /   0  10  30  90
MIO   80  56  77  59 /   0  10  30  90
F10   81  59  76  61 /   0  10  40  90
HHW   80  60  75  62 /  10  10  50  70

&&

.TSA WATCHES/WARNINGS/ADVISORIES...
OK...None.
AR...None.
&&

$$

SHORT TERM...43
LONG TERM....43
AVIATION...22