Area Forecast Discussion
Issued by NWS St. Louis, MO

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000
FXUS63 KLSX 051147
AFDLSX

AREA FORECAST DISCUSSION...UPDATED AVIATION
NATIONAL WEATHER SERVICE ST LOUIS MO
647 AM CDT SUN JUL 5 2015

.SHORT TERM:  (THROUGH LATE THIS AFTERNOON)
ISSUED AT 225 AM CDT SUN JUL 5 2015

PATCHY FOG WILL BE WITH US THIS MORNING...ENHANCED IN THE ST.
LOUIS AREA BY THE INCREASED PARTICULATE MATTER FROM LAST EVENINGS
INDEPENDENCE DAY CELEBRATIONS. THIS SHOULD BURN OFF QUICKLY WITH
ANOTHER SPECTACULAR DAY ON TAP TO END THE HOLIDAY WEEKEND.
TEMPERATURES WILL WARM A FEW MORE DEGREES OVER YESTERDAY AS A
SOUTHERLY WIND DEVELOPS.

CVKING

.LONG TERM:  (TONIGHT THROUGH SATURDAY)
ISSUED AT 225 AM CDT SUN JUL 5 2015

NO MAJOR CHANGES TO THE FORECAST AS COLD FRONT IS STILL EXPECTED
TO MAKE ITS WAY SOUTHEAST INTO THE REGION BY MONDAY EVENING WITH
CHANCES OF SHOWERS AND THUNDERSTORMS STEADILY INCREASING HEADING
INTO THE OVERNIGHT HOURS OF MONDAY THROUGH AT LEAST WEDNESDAY.
TEMPERATURES SHOULD BE SEASONABLY WARM ON MONDAY AHEAD OF THE
FRONT WITH HIGHS IN THE UPPER 80S OR LOWER 90S. OVERCAST
CONDITIONS AND RAIN WILL KEEP TEMPERATURES MUCH COOLER ON TUESDAY
AND WEDNESDAY WITH HIGHS ONLY FORECAST TO BE IN THE UPPER 70S TO
LOWER 80S. HAVE SOME CONCERN OF MULTI-DAY RAINFALL TOTALS
EXCEEDING TWO INCHES ACROSS A LARGE PORTION OF THE CWA...WHICH
COULD CAUSE ADDITIONAL OR PROLONG FLOODING.

THE ECWMF LINGERS THE FRONT ACROSS THE REGION INTO NEXT
WEEKEND WITH CONTINUED CHANCES OF STORMS...WHILE THE GFS LIFTS THE
FRONT NORTH OF THE REGION WITH TEMPERATURES CLIMBING SLIGHTLY
ABOVE NORMAL BY NEXT WEEKEND. HAVE MAINTAINED CHANCE POPS INTO THE
WEEKEND UNTIL IT IS CLEAR THE FRONT WILL LIFT NORTH AND A
MID/UPPER LEVEL RIDGE WILL BUILD INTO THE MIDWEST.

CVKING

&&

.AVIATION:  (FOR THE 12Z TAFS THROUGH 12Z MONDAY MORNING)
ISSUED AT 635 AM CDT SUN JUL 5 2015

SPECIFICS FOR KCOU, KUIN: EARLY MORNING IFR TO MVFR VSBYS IN
LIGHT FOG/HAZE SHOULD IMPROVE WITH DIURNAL MIXING. WINDS WILL
BECOME SOUTHERLY AROUND THE BACK SIDE OF A DEPARTING HIGH PRESSURE
CENTER. WINDS MAY BACK SLIGHTLY AND BECOME MORE SOUTHEASTERLY
BETWEEN 05/21Z AND 06/06Z BEFORE VEERING AGAIN AND BECOMING
SOUTHERLY AFTER 06/09Z.

SPECIFICS FOR KSTL, KSUS, KCPS: IFR TO MVFR VSBYS IN LIGHT
FOG/HAZE (ENHANCED BY THE SMOKE FROM LAST NIGHT`S FIREWORKS
ACROSS THE METRO AREA) SHOULD IMPROVE THIS MORNING WITH DIURNAL
MIXING. WINDS WILL BECOME SOUTHERLY AROUND THE BACK SIDE OF A
DEPARTING HIGH PRESSURE CENTER. WINDS MAY BACK SLIGHTLY AND BECOME
MORE SOUTHEASTERLY BETWEEN 05/21Z AND 06/06Z BEFORE VEERING AGAIN
AND BECOMING SOUTHERLY AFTER 06/09Z.

KANOFSKY

&&

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

$$

WFO LSX


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