Area Forecast Discussion
Issued by NWS St. Louis, MO

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000
FXUS63 KLSX 292346
AFDLSX

AREA FORECAST DISCUSSION...UPDATED AVIATION
NATIONAL WEATHER SERVICE ST LOUIS MO
646 PM CDT Tue Jul 29 2014

.SHORT TERM:  (Through Late Tonight)
Issued at 323 PM CDT Tue Jul 29 2014

Hi pressure continues to dominate our weather.  Expect diurnal
cumulus field to dissipate quickly this evening and the sky should
remain mostly clear this evening.  With light wind and low relative
humidity, expect excellent radiational cooling.  MOS temps look
agreeable so have followed closely.


Carney

.LONG TERM:  (Wednesday through Next Tuesday)
Issued at 323 PM CDT Tue Jul 29 2014

Unseasonably amplified trough across the eastern two-thirds of the
CONUS will continue to bring cool...and for the most part dry weather
through the next seven days. Timing subtle/nearly indistinguishable
ripples embedded within northwest flow aloft is very difficult but
cannot rule out some isolated showers/weak storms diurnally driven
through Saturday. Best "chance" may come on Friday/Saturday due to
slightly better instability as mid/upper level
heights/temperatures fall.

Longwave pattern will finally begin to breakdown late this weekend
and into early next week as combination of tropical energy in the
Atlantic and sharp trough crossing south of Hudson Bay act to
significantly dampen Bermuda high. Upper-level heights and
low-level temperatures will rise across the mid-Mississippi
Valley with a corresponding climb up to more seasonal temperatures/
humidity levels.


Gosselin

&&

.AVIATION:  (For the 00z TAFs through 00z Wednesday Evening)
Issued at 635 PM CDT Tue Jul 29 2014

Expect dry weather the next 24 hours with mainly VFR conditions
except for some river fog between 09-13Z. Winds will be mainly
light and variable.

Specifics for KSTL: Expect dry and VFR conditions with mainly
light and variable winds.

Britt

&&

.PRELIMINARY POINT TEMPS/POPS:
Saint Louis     63  84  64  85 /   5  10  10  20
Quincy          58  80  59  81 /   5  10  10  10
Columbia        60  82  60  84 /   5  10   5  10
Jefferson City  60  81  61  84 /   5  10   5  10
Salem           57  82  59  83 /   5  10  10  20
Farmington      57  79  58  82 /   5  10  10  20

&&

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

$$

WFO LSX






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