Area Forecast Discussion
Issued by NWS Rapid City, SD

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000
FXUS63 KUNR 201701
AFDUNR

AREA FORECAST DISCUSSION FOR WESTERN SD AND NORTHEASTERN WY
NATIONAL WEATHER SERVICE RAPID CITY SD
1101 AM MDT MON OCT 20 2014

.SHORT TERM...TODAY THROUGH TUESDAY NIGHT
ISSUED AT 156 AM MDT MON OCT 20 2014

UPPER LEVEL ANALYSIS HAS A WAVE DIGGING INTO THE GREAT
LAKES...WITH RIDGING ACROSS THE WESTERN STATES. WITH HIGH PRESSURE
OVER THE AREA...WINDS ARE LIGHT AND SKIES ARE CLEAR. TEMPS ARE IN
AND AROUND THE 40S.

UPPER RIDGE WILL MAKE FOR A DRY AND MILD BEGINNING TO THE WEEK WITH
SUNNY SKIES. RETURN FLOW SETS UP ACROSS WESTERN SD TODAY. SLIGHTLY
BREEZY SOUTHERLY WINDS WILL ADVECT IN WARM AIR...RESULTING IN ABOVE
AVERAGE HIGHS IN THE 70S. LOWS TONIGHT WILL BE IN THE 40S. THE
PRESSURE GRADIENT TIGHTENS ON TUESDAY...CAUSING BREEZIER WINDS AND
MORE WARM AND MOIST AIR ADVECTION. TEMPS IN THE 70S TO LOWER 80S ARE
EXPECTED FOR TUESDAY. BREEZY OVERNIGHT WINDS WILL KEEP LOWS IN THE
MID 40S TO MID 50S.


&&

.LONG TERM...WEDNESDAY THROUGH SUNDAY
ISSUED AT 156 AM MDT MON OCT 20 2014

UPPER TROF CROSSES THE AREA WEDNESDAY...WITH BEST LIFT/MOISTURE
SHIFTING EAST OF THE FORECAST AREA BY MID DAY. UPPER RIDGE
REBUILDS ACROSS THE AREA FOR THE END OF THE WEEK INTO THE
WEEKEND...RESULTING IN DRY WEATHER AND ABOVE AVERAGE TEMPERATURES.

&&

.AVIATION...(FOR THE 18Z TAFS THROUGH 18Z TUESDAY)
ISSUED AT 1101 AM MDT MON OCT 20 2014

VFR CONDITIONS EXPECTED THROUGH TUESDAY MORNING.

&&

.UNR WATCHES/WARNINGS/ADVISORIES...
SD...NONE.
WY...NONE.
&&

$$

SHORT TERM...POJORLIE
LONG TERM...7
AVIATION...JOHNSON






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