Area Forecast Discussion
Issued by NWS Rapid City, SD

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000
FXUS63 KUNR 262326
AFDUNR

AREA FORECAST DISCUSSION FOR WESTERN SD AND NORTHEASTERN WY
NATIONAL WEATHER SERVICE RAPID CITY SD
526 PM MDT FRI JUN 26 2015

.SHORT TERM...THIS EVENING THROUGH SATURDAY NIGHT
ISSUED AT 137 PM MDT FRI JUN 26 2015

WATER VAPOR IMAGERY SHOWS STRONG UPPER RIDGING ACROSS THE WRN
CONUS WITH NW FLOW ACROSS THE NRN PLAINS. SURFACE ANALYSIS SHOWS
HIGH PRES ACROSS ERN WY/WRN NEB. WINDS ARE GENERALLY FROM THE N
OVER CNTRL SD...OTHERWISE LIGHT/VRB ACROSS THE REST OF THE CWA.
TEMPS HAVE RISEN INTO THE 70S TO LOWER 80S. CU FIELD HAS DEVELOPED
ACROSS NE WY/FAR WRN SD...WITH AN ISOLD SHRA OVER THE CUSTER CNTY
BLKHLS...AND OVER HARDING CNTY. OTHERWISE STORM DEVELOPMENT WILL
BE KEPT TO A MINIMUM WITH SUBSIDENCE REMAINING ACROSS THE AREA.
SKIES WILL CLEAR TONIGHT WITH TEMPS DROPPING INTO THE 50S. ANOTHER
QUIET DAY IS EXPECTED SAT...WITH NOT MUCH MORE THAN SOME CU
DEVELOPING. RETURN FLOW WILL BRING WARMER AIR TO THE CWA...WITH
HIGHS REACHING WELL INTO THE 8S0 ACROSS THE PLAINS/FTHLS. WARMER
AIR ALOFT WILL KEEP ANY CONVECTION FROM DEVELOPING.

.LONG TERM...SUNDAY THROUGH FRIDAY
ISSUED AT 137 PM MDT FRI JUN 26 2015

STRONG UPPER RIDGE AXIS THROUGH THE NRN ROCKIES WILL KEEP US VERY
WARM AND DRY THROUGH MONDAY. RIDGE WILL BREAK DOWN MONDAY
NIGHT/TUESDAY AS UPPER WAVE MOVES THROUGH THE PAC NW INTO THE NRN
ROCKIES. THIS WILL LEAD TO SMALL CHANCES FOR STORMS MIDWEEK ALONG
WITH VERY SLIGHT COOLING. FLOW ALOFT THEN BECOMES NW THROUGH THE
EXTENDED PERIOD WITH SEVERAL WAVES TRACKING SEWD FROM THE CNDN
ROCKIES. THIS COULD LEAD TO NEARLY DAILY CHANCES FOR
STORMS...DEPENDING ON TIMING OF WAVES...AND COOLER TEMPS BY THE
END OF THE WEEK.

&&

.AVIATION...(FOR THE 00Z TAFS THROUGH 00Z SATURDAY EVENING)
ISSUED AT 526 PM MDT FRI JUN 26 2015

VFR CONDITIONS AND LIGHT WINDS CAN BE EXPECTED ACROSS THE FORECAST
AREA THROUGH THE PERIOD.

&&

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

$$

SHORT TERM...13
LONG TERM...JOHNSON
AVIATION...26


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