Area Forecast Discussion
Issued by NWS Rapid City, SD

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000
FXUS63 KUNR 251721
AFDUNR

AREA FORECAST DISCUSSION FOR WESTERN SD AND NORTHEASTERN WY
NATIONAL WEATHER SERVICE RAPID CITY SD
1121 AM MDT SAT OCT 25 2014

.SHORT TERM...TODAY THROUGH SUNDAY NIGHT
ISSUED AT 334 AM MDT SAT OCT 25 2014

UPPER RIDGING CONTINUES TO DOMINATE THE SRN GREAT PLAINS WITH THE
MAIN AXIS EXTENDING TOWARD THE NRN ROCKIES...AHEAD OF A TROUGH
APPROACHING THE PACIFIC NW. SURFACE HIGH PRESSURE NOW OVER THE NRN
PLAINS WILL SLIDE EAST TODAY INTO THE UPPER MIDWEST. RETURN FLOW
SETS UP TODAY WITH WARMER AIR MOVING BACK INTO NE WY INTO SW
SD...WHERE HIGHS IN THE MID TO UPPER 70S ARE EXPECTED. HIGHS IN THE
UPPER 60S TO LOWER 70S ARE EXPECTED ACROSS THE REST OF THE CWA.

UPPER TROUGH WILL CROSS THE NRN ROCKIES SUNDAY WITH LOW PRESSURE
SLIDING INTO THE NRN PLAINS. SLIGHTLY COOLER AIR WILL PUSH IN FROM
THE WEST DURING THE DAY WHILE THE THERMAL RIDGE PUSHES EWD. MAX
TEMPS WILL BE IN THE UPPER 70S/LOWER 80S ACROSS PORTIONS OF THE
WRN/CNTRL SD PLAINS...WHILE NE WY WILL REMAIN IN THE 60S. A STRONGER
COLD FRONT WILL CROSS THE AREA SUN NIGHT AS THE STRONG TROUGH
CROSSES THE NRN PLAINS. THIS SYSTEM WILL BRING CHANCES OF SHOWERS TO
THE CWA SUN NIGHT...MAINLY ACROSS NE WY...THE NRN BLKHLS...AND NW
SD. OVERALL LITTLE QPF IS EXPECTED WITH THIS SYSTEM.


&&

.LONG TERM...MONDAY THROUGH FRIDAY
ISSUED AT 334 AM MDT SAT OCT 25 2014

WINDY CONDITIONS ALONG WITH SOME LINGERING -SHRA EXPECTED ON
MONDAY IN WAKE OF THE CDFNT. THE UPPER RIDGE WILL THEN REBUILD
THROUGH THE NRN PLAINS AND PERSIST THE REST OF THE WEEK...BRINGING
DRY WX AND TEMPS NEAR TO SLIGHTLY ABOVE AVERAGE.

&&

.AVIATION...FOR THE 18Z TAFS THROUGH 18Z SUNDAY
ISSUED AT 1120 AM MDT SAT OCT 25 2014

VFR CONDITIONS WILL CONTINUE THROUGH THE PERIOD WITH MAINLY CLEAR SKIES.

&&

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

$$

SHORT TERM...13
LONG TERM...JOHNSON
AVIATION...10






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