Area Forecast Discussion
Issued by NWS Lake Charles, LA

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FXUS64 KLCH 181951
AFDLCH

Area Forecast Discussion
National Weather Service Lake Charles LA
251 PM CDT Tue Jun 18 2019

.DISCUSSION...A ridge at the surface remains parked over the
Atlantic and stretched into the southeast states and northern
gulf coast. This ridge will remain in place through the period
keeping the onshore flow through the weekend.

Aloft, an upper disturbance has shifted east enough today to allow
a much drier air mass to filter in above 10K feet. While the
surface remain moist as typical in the summer, the dry air mass
above has suppressed most shower activity beyond a few isolated
showers. Continued heating through the next few hours may allow
for additional showers, however coverage will remain minimal.

Through the middle of the week high pressure will build aloft
farther suppressing shower activity and decreasing clouds.
Temperatures are expected to increase a couple degrees, but most
notably well inland and away from the slightly cooler gulf waters.
The pressure gradient between the Atlantic ridge and a developing
low over the plains will keep a moderate onshore flow in place
which will keep the I-10 corridor to the coast at near normal high
temperatures, especially during the late week period.

Also late in the week, an upper level disturbance may drop into
the southeast states which may increase rain chances over the
Atchafalaya Basin and points eastward while leaving SETX and west
La dry.

Late in the weekend and into next week the ridge aloft is
expected to erode which will increase rain chances areawide.

&&

.MARINE...A light to moderate onshore flow is expected through
Wednesday, however the pressure gradient will tighten over the
area and to the west for the second half of the week. This may
push winds to near SCA criteria over the west gulf zones Thursday
or Friday.

&&

.PRELIMINARY POINT TEMPS/POPS...
AEX  73  94  76  94 /   0   0  10  20
LCH  77  92  79  92 /  10   0  10  10
LFT  76  93  77  94 /  10  10   0  20
BPT  77  92  79  92 /   0   0  10  10

&&

.LCH WATCHES/WARNINGS/ADVISORIES...
LA...None.
TX...None.
GM...None.
&&

$$

PUBLIC...05



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