Area Forecast Discussion
Issued by NWS Rapid City, SD

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000
FXUS63 KUNR 282035
AFDUNR

AREA FORECAST DISCUSSION FOR WESTERN SD AND NORTHEASTERN WY
NATIONAL WEATHER SERVICE RAPID CITY SD
235 PM MDT SUN JUN 28 2015

.SHORT TERM...THIS EVENING THROUGH MONDAY NIGHT
ISSUED AT 234 PM MDT SUN JUN 28 2015

STRONG UPPER RIDGING CONTINUES ACROSS THE WRN THIRD OF THE
CONUS...WITH NWRN FLOW OVER THE NRN PLAINS. AN UPPER WAVE IS JUST
MOVING INTO ERN MT ATTM WITH STORMS FIRING ACROSS MOUNTAIN RANGES
IN CNTRL MT TO SE WY. SOME CU HAVE DEVELOPED ACROSS THE
BLKHLS...WITH MOSTLY CIRRUS CLOUDS PASSING THROUGH OTHERWISE. WITH
A WEAKENING CAP AND LIGHT TO MODERATE INSTABILITY...COULD STILL
SEE ISOLATED STORMS OVER THE BLKHLS OR MOVE IN FROM THE WEST INTO
NE WY...BUT BELIEVE ANY CONVECTION THAT DOES DEVELOP WILL BE OVER
WITH BY 00Z. OTHERWISE ANOTHER CLEAR NIGHT IS EXPECTED WITH LOWS
IN THE UPPER 50S TO MID 60S. UPPER RIDGING CONTINUES MONDAY WITH
MOSTLY SUNNY SKIES AGAIN. HIGHS WILL BE WARMER...REACHING THE MID
80S OVER THE BLKHLS TO LOWER TO MID 90S OVER THE PLAINS. COULD SEE
ISOLATED STORMS DEVELOP OVER THE BLKHLS DURING THE AFTN. OTHERWISE
NOT MUCH FOR PRECIP EXPECTED.

.LONG TERM...TUESDAY THROUGH SUNDAY
ISSUED AT 234 PM MDT SUN JUN 28 2015

AN UPPER LEVEL RIDGE WILL CONTINUE TO FLATTEN FOR THE MIDDLE OF
NEXT WEEK OVER THE WESTERN CONUS WITH EVENTUAL NORTHWEST FLOW
ALOFT FOR THE CWA. FRONTAL BOUNDARY WILL HOLD OVER THE CWA WITH A
SERIES OF WEAK SHORTWAVES AND CHANCES FOR TSRA INTO THURSDAY.
UPPER RIDGE WILL THEN AMPLIFY AGAIN OVER THE WESTERN CONUS
RESULTING IN DRIER WEATHER FOR FRIDAY INTO NEXT WEEK. TEMPERATURES
WILL BE FAIRLY WARM TUESDAY...AND THEN SEASONAL/SLIGHTLY ABOVE
NORMAL THROUGH NEXT WEEKEND.

&&

.AVIATION...FOR THE 18Z TAFS THROUGH 18Z MONDAY
ISSUED AT 234 PM MDT SUN JUN 28 2015

VFR CONDITIONS ARE EXPECTED THROUGH MONDAY MORNING. ISOLATED
-TSRA MAY OCCUR THIS AFTERNOON OVER PARTS OF NORTHEAST WY/BLACK
HILLS...AND THEN POSSIBLY OVER FAR NORTHWEST SD OVERNIGHT.

&&

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

$$

SHORT TERM...13
LONG TERM...HELGESON
AVIATION...HELGESON



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