Area Forecast Discussion
Issued by NWS Rapid City, SD

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000
FXUS63 KUNR 160818
AFDUNR

AREA FORECAST DISCUSSION FOR WESTERN SD AND NORTHEASTERN WY
NATIONAL WEATHER SERVICE RAPID CITY SD
218 AM MDT TUE SEP 16 2014

.SHORT TERM...TODAY THROUGH WEDNESDAY NIGHT
ISSUED AT 207 AM MDT TUE SEP 16 2014

DRY WEATHER WILL CONTINUE THROUGH THE SHORT TERM AS THE UPPER
RIDGE CURRENTLY OVER THE WESTERN CONUS SHIFTS SLOWLY EASTWARD
TOWARD THE FORECAST AREA. NORTHWEST FLOW ALOFT DOWNSTREAM OF THE
RIDGE WILL BRING ONLY SOME HIGH CLOUDS OVER THE FORECAST AREA FROM
TIME TO TIME. HIGH TEMPERATURES TODAY AND ON WEDNESDAY WILL BE
WARMER THAN AVERAGE...WITH THE WARMEST TEMPS OVER NORTHEASTERN
WYOMING AND FAR WESTERN SOUTH DAKOTA AND SLIGHTLY COOLER HIGHS
TOWARD CENTRAL SOUTH DAKOTA.

&&

.LONG TERM...THURSDAY THROUGH MONDAY
ISSUED AT 207 AM MDT TUE SEP 16 2014

AN UPPER LEVEL RIDGE OF HIGH PRESSURE WILL SLIDE ACROSS THE NORTHERN
PLAINS ON THURSDAY...BRINGING DRY CONDITIONS AND NEAR TO ABOVE
AVERAGE TEMPERATURES. THE UPPER RIDGE BEGINS TO BREAK DOWN LATE ON
THURSDAY....AS A WEAK UPPER TROF AND COOL FRONT SLIDE THROUGH THE
AREA. THIS WILL BRING SLIGHTLY COOLER TEMPERATURES AND A CHANCE FOR
SHOWERS AND THUNDERSTORMS TO THE NORTHERN PLAINS FRIDAY INTO EARLY
SATURDAY. THE WESTERN RIDGE THEN REFORMS AND BUILDS AGAIN ON
SUNDAY...RESULTING IN DRY AND MILD CONDITIONS FOR THE FORECAST AREA
INTO EARLY NEXT WEEK.

&&

.AVIATION...FOR THE 12Z TAFS THROUGH 12Z WEDNESDAY MORNING
ISSUED AT 207 AM MDT TUE SEP 16 2014

VFR CONDITIONS ARE EXPECTED THROUGH THE FORECAST PERIOD.

&&

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

$$

SHORT TERM...10
LONG TERM...15
AVIATION...15





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