000
FXUS63 KFSD 281954
AFDFSD

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SIOUX FALLS SD
254 PM CDT MON JUL 28 2014

.SHORT TERM...(THIS EVENING THROUGH TUESDAY)
ISSUED AT 253 PM CDT MON JUL 28 2014

HIGH PRESSURE CONTINUES TO SETTLE SOUTHEAST THROUGH THE DAY.
ELONGATED VORTICITY AXIS LINGERS ACROSS THE EASTERN CWA WHICH WILL
CONTINUE TO LEAD TO PERIODIC BOUTS OF CLOUD COVER THROUGH THE
REMAINDER OF THE WEEK. TONIGHT...LEANED MORE ON THE COOLER SIDE OF
GUIDANCE GIVEN FALLING DEW POINTS AND RELATIVELY CLEAR SKIES.
TEMPERATURES MAY FLIRT WITH THE 40S IN SHELTERED AREAS AS WINDS TURN
LIGHT AND VARIABLE.


.LONG TERM...(TUESDAY NIGHT THROUGH MONDAY)
ISSUED AT 253 PM CDT MON JUL 28 2014

REALISTICALLY...LITTLE TO NO CHANGE IN THE FORECAST THROUGH THE
REMAINDER OF THE WORK WEEK. LOW-LEVEL TEMPERATURES WILL WARM A FEW
DEGREES THROUGH FRIDAY RESULTING IN AN OVERALL INCREASE IN HIGHS A
FEW DEGREES...BUT STILL SHORT OF SEASONAL NORMALS THROUGH FRIDAY.
WITH LINGERING VORTICITY AXIS NEARBY...WOULDNT RULE OUT AFTERNOON
SPRINKLES.

NEXT WEEKEND...MODELS REMAIN IN AGREEMENT THAT DEEP UPPER TROUGH IN
THE EASTERN CONUS WILL BEGIN TO MOVE EAST ON SATURDAY. THIS SHOULD
ALLOW RETURN FLOW TO SETUP OVER THE WESTERN PLAINS...FILTERING IN
WARMER AND SLIGHTLY MORE HUMID AIR BY SUNDAY. MODELS ARE MIXED IN
BRINGING A FRONT AND SLIGHTLY INCREASED PRECIP CHANCES IN BY
SUNDAY.

&&

.AVIATION...(FOR THE 18Z TAFS THROUGH 18Z TUESDAY AFTERNOON)
ISSUED AT 1215 PM CDT MON JUL 28 2014

AFTER A BRIEF PERIOD OF MVFR CEILINGS AS THE CU FIELD FORMED LATE
THIS MORNING...CEILINGS SHOULD GRADUALLY LIFT TO VFR LEVELS EARLY
THIS AFTERNOON. MODELS HINTING THAT CLOUD COVER MAY AGAIN LINGER INTO
THE NIGHT...BUT GENERALLY ANTICIPATING VFR CONDITIONS THROUGH
DAYBREAK AS WINDS TURN LIGHT AND VARIABLE.


&&

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

$$

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