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341
FXUS63 KUNR 230422
AFDUNR

AREA FORECAST DISCUSSION FOR WESTERN SD AND NORTHEASTERN WY
NATIONAL WEATHER SERVICE RAPID CITY SD
1022 PM MDT WED OCT 22 2014

.SHORT TERM...THIS EVENING THROUGH THURSDAY NIGHT
ISSUED AT 144 PM MDT WED OCT 22 2014

WATER VAPOR SHOWS UPPER TROF AXIS PUSHING THROUGH THE NORTHERN
PLAINS WITH WEAK RIDGING MOVING ACROSS THE ROCKIES. CLOUDY SKIES
HAVE SHIFTED EAST WITH SUNNY SKIES TAKING OVER. SURFACE HIGH
PRESSURE IS IN PLACE ACROSS MUCH OF THE WESTERN CONUS.
TEMPERATURES ACROSS THE FORECAST AREA AT 2 PM ARE IN THE 50S AND
60S...AND THE WINDS ARE OUT OF THE WEST TO NORTHWEST.

UPPER RIDGE RETURNS OVER THE NORTHERN PLAINS TONIGHT AND INTO
THURSDAY AS SURFACE HIGH PRESSURE REMAINS OVER THE AREA. SKIES
WILL BE MOSTLY CLEAR/SUNNY...WITH TEMPS FALLING INTO THE 30S TO
LOWER 40S TONIGHT...AND WARMING INTO THE 60S AND LOWER 70S ON
THURSDAY. WINDS WILL BE LIGHT OUT OF THE WEST TO SOUTHWEST.

&&

.LONG TERM...FRIDAY THROUGH WEDNESDAY
ISSUED AT 144 PM MDT WED OCT 22 2014

AN UPPER LEVEL RIDGE WILL CONTINUE TO BUILD OVER THE CENTRAL
CONUS THROUGH SATURDAY. THIS WILL BRING WARM TEMPERATURES AND DRY
CONDITIONS. THE UPPER RIDGE WILL SHIFT TO THE EAST ON SUNDAY AS AN
UPPER LEVEL TROF MOVES INTO THE PACIFIC NORTHWEST. SHORTWAVE AHEAD
OF THE MAIN TROF AND COLD FRONT WILL PUSH THROUGH THE AREA SUNDAY
NIGHT...BRINGING INCREASING CLOUDS AND A SLIGHT CHANCE FOR SHOWERS
THROUGH MONDAY. THE MAIN UPPER TROF EXITS THE AREA LATE MONDAY
NIGHT/EARLY TUESDAY MORNING...PUSHING THE SHOWER ACTIVITY TO THE
EAST OF THE FORECAST AREA. WEAK RIDGING THEN RETURNS ON WEDNESDAY.

&&

.AVIATION...(FOR THE 06Z TAFS THROUGH 06Z THURSDAY NIGHT)
ISSUED AT 1022 PM MDT WED OCT 22 2014

VFR CONDITIONS THROUGH THE PERIOD.

&&

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

$$

SHORT TERM...15
LONG TERM...MLS
AVIATION...JC







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