Area Forecast Discussion
Issued by NWS Sioux Falls, SD

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000
FXUS63 KFSD 262304
AFDFSD

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SIOUX FALLS SD
604 PM CDT FRI SEP 26 2014

.SHORT TERM...(THIS EVENING THROUGH SATURDAY)
ISSUED AT 329 PM CDT FRI SEP 26 2014

QUIET NIGHT EXPECTED ACROSS THE AREA WITH A BROAD UPPER LEVEL RIDGE
SITUATED OVER THE CENTRAL AND WESTERN PORTIONS OF THE NATION. WILL
HAVE A CUT OFF UPPER LEVEL LOW PRESENTLY LOCATED THROUGH THE CENTRAL
MISSISSIPPI VALLEY WOBBLE BACK TOWARD OUR AREA FOR TONIGHT AND
SATURDAY...WITH THE MAIN EFFECT BEING A FEW MID LEVEL CLOUDS. WINDS
WILL NOT DROP TONIGHT AS THEY DID LAST NIGHT WITH A SLIGHTLY TIGHTER
GRADIENT...SO LOWS SHOULD BE A LITTLE MILDER...FALLING MAINLY TO THE
LOWER 60S.

SATURDAY WILL BE ANOTHER WARM DAY UNDER PARTLY TO MOSTLY SUNNY
SKIES. THERMAL PROFILES ARE A COUPLE OF DEGREES COOLER AS THE
AFOREMENTIONED UPPER LEVEL LOW BACKS INTO OUR AREA...THOUGH STILL
LOOKING AT AFTERNOON TEMPERATURES IN THE UPPER 70S TO LOWER 80S.

.LONG TERM...(SATURDAY NIGHT THROUGH FRIDAY)
ISSUED AT 329 PM CDT FRI SEP 26 2014

MILD...PLEASANT AND DRY EARLY FALL WEATHER WILL CONTINUE TO FEEL
SUMMER-LIKE ON SUNDAY. WHILE SUNSHINE WILL BE SOMEWHAT MORE FILTERED
WITH SOME MID LEVEL CLOUDS PASSING THROUGH THE REGION...SOUTHERLY
WINDS WILL LEAD TO ABOVE NORMAL HIGH TEMPERATURES IN THE UPPER 70S
AND LOWER 80S.

A DEEP UPPER LEVEL PACIFIC TROUGH WILL EMERGE IN THE CENTRAL AND
NORTHERN HIGH PLAINS ON MONDAY. WITH RIDGING OVER THE MIDWEST
SLOWING ITS EASTWARD PROGRESSION...PRECIPITATION WILL BE LARGELY
CONFINED TO WESTERN SOUTH DAKOTA THROUGH THE DAY. BY MONDAY
EVENING...THE WAVE LIFTS INTO SOUTHEAST SOUTH DAKOTA...WITH SHOWERS
AND THUNDERSTORMS BECOMING LIKELY OVERNIGHT...MAINLY ALONG AND WEST
OF INTERSTATE 29 LATE AT NIGHT. CYCLOGENESIS IN CENTRAL SOUTH DAKOTA
WILL TRACK NORTHEASTWARD ON TUESDAY...WITH A TRAILING FRONT STALLING
ACROSS THE FORECAST AREA THROUGH MID WEEK. WEAK ELEVATED INSTABILITY
WILL KEEP SHOWERS AND SOME ISOLATED THUNDERSTORMS POSSIBLE TUESDAY
AND TUESDAY NIGHT.

A SECOND MID LEVEL WAVE LIFTS THROUGH THE CENTRAL PLAINS INTO THE
UPPER MIDWEST WEDNESDAY AFTERNOON INTO THURSDAY...AND WILL KEEP WET
CONDITIONS IN THE PICTURE. WITH CLOUDS AND PERIODIC RAIN SETTLING IN
TUESDAY AND BEYOND...TEMPERATURES WILL COOL BACK INTO THE LOW TO MID
70S TUESDAY AND WEDNESDAY...AND THE 60S THURSDAY AND FRIDAY.

&&

.AVIATION...(FOR THE 00Z TAFS THROUGH 00Z SATURDAY EVENING)
ISSUED AT 602 PM CDT FRI SEP 26 2014

VFR CONDITIONS SHOULD PREVAIL THROUGH THE NIGHT. COULD NOT RULE
OUT A BIT OF FOG TOWARDS DAYBREAK...BUT CONFIDENCE IN COVERAGE TOO
LOW TO INCLUDE IN TAF. WINDS WILL REMAIN LIGHT FROM THE SOUTH INTO
SATURDAY...TURNING GUSTY BY THE AFTERNOON.

&&

.FSD WATCHES/WARNINGS/ADVISORIES...
SD...NONE.
MN...NONE.
IA...NONE.
NE...NONE.
&&

$$

SHORT TERM...JM
LONG TERM...
AVIATION...DUX



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