Area Forecast Discussion
Issued by NWS St. Louis, MO

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000
FXUS63 KLSX 231124
AFDLSX

AREA FORECAST DISCUSSION...UPDATED AVIATION
NATIONAL WEATHER SERVICE ST LOUIS MO
624 AM CDT Wed Jul 23 2014

.SHORT TERM:  (Through Late This Afternoon)
Issued at 330 AM CDT Wed Jul 23 2014

Cold front to continue tracking south through forecast area this
morning, before exiting region early this afternoon. Despite decent
cap over area, could still see some isolated/scattered storms
develop as front moves through. Highest pops will be this morning
for southern half of cwa, then taper off rather quickly after 18z.
As for highs today, will range from the low 80s far north to around
90 far south. Drier/cooler air is lagging behind boundary, so with
dewpts still in the 70s could see heat indicies approaching 95 early
this afternoon.

Byrd

.LONG TERM:  (Tonight through Tuesday)
Issued at 330 AM CDT Wed Jul 23 2014

By tonight, surface ridge begins to build in and bring in drier and
cooler weather for the last half of the work week. Lows tonight will
be in the mid 50s to near 60. Highs on Thursday will be in the upper
70s to low 80s.

Surface ridge to move off to the east by Friday with a warm front
developing across region with elevated convection possible for
northern portions of forecast area late Thursday night through
Friday night. Then as main cold front moves into region on Saturday,
will see additional rounds of storms through Sunday before system
exits region Sunday night. Temperatures to moderate through the
weekend once again. Models are indicating 850 temps between 24C and
26C on Saturday and if they mix down, could see highs in the upper
90s for portions of the area. For now raised highs a few degrees for
Saturday, into the upper 80s to mid 90s.

Beyond the weekend, surface ridge builds in once again for early
next week with highs cooling off into the upper 70s to mid 80s for
Monday and Tuesday.

Byrd

&&

.AVIATION:  (For the 12z TAFs through 12z Thursday Morning)
Issued at 620 AM CDT Wed Jul 23 2014

Cold front came through terminals overnight and skies are mostly
clear behind the front as of now. Should see at least scattered
diurnal cumulus develop as wind begins to increase from the north-
northeast. VFR conditions will prevail through tonight.

Specifics for KSTL:
VFR conditions with north-northeast wind today.

CVKING

&&

.LSX WATCHES/WARNINGS/ADVISORIES:
MO...NONE.
IL...NONE.
&&

$$

WFO LSX






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