Area Forecast Discussion
Issued by NWS Rapid City, SD

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FXUS63 KUNR 012051
AFDUNR

AREA FORECAST DISCUSSION FOR WESTERN SD AND NORTHEASTERN WY
NATIONAL WEATHER SERVICE RAPID CITY SD
251 PM MDT SUN MAY 1 2016

.SHORT TERM...THIS EVENING THROUGH MONDAY NIGHT
ISSUED AT 250 PM MDT SUN MAY 1 2016

UPPER RIDGING REMAINS ACROSS THE PAC NW INTO THE CNDN ROCKIES...WITH
AN UPPER LOW ACROSS THE DESERT SW SETTING UP A REX BLOCKING PATTERN.
1028MB SURFACE HIGH SITS ACROSS THE NRN TO CNTRL PLAINS...WITH
MOSTLY SUNNY SKIES ACROSS THE REGION. TEMPS HAVE REACHED THE 50S TO
LOW 60S. QUIET WEATHER WILL CONTINUE THROUGH TONIGHT WITH MOSTLY
CLEAR SKIES AND LOWS IN THE 30S. COMPACT UPPER LOW IS PROGGED TO
DROP SOUTH ON THE EAST SIDE OF THE RIDGE MONDAY...THROUGH THE SRN
CNDN PLAINS INTO THE DAKOTAS. THIS FAST MOVING SYSTEM WILL PUSH
THROUGH THE CWA BRINGING CHANCES FOR SHOWERS AND LOW TOPPED
THUNDERSTORMS THROUGH THE AFTN/EVNG. PRECIP SHOULD CLEAR THE CWA BY
MIDNIGHT. WITH THIS WAVE...LOOKS LIKE N/NW WINDS WILL BECOME BREEZY
DURING THE DAY. DID ALSO DROP HIGHS SLIGHTLY WITH HIGHER CLOUD
COVER...HIGHS IN THE MID 50S TO MID 60S.

.LONG TERM...TUESDAY THROUGH SUNDAY
ISSUED AT 250 PM MDT SUN MAY 1 2016

.UPPER RIDGE WILL BUILD THROUGH THE NRN ROCKIES INTO THE NRN
PLAINS AND DOMINATE OUR WX FOR MUCH OF THE WEEK. THE RESULT WILL
BE DRY AND WARM CONDITIONS INTO FRIDAY. GFS/ECMWF CONTINUE TO SHOW
A LARGE DESERT SW LOW FOR THE TAIL END OF THE WEEK...WITH THE LOW
SLOWLY MIGRATING NEWD THROUGH THE WEEKEND. THIS WILL BRING
INCREASING CHANCES FOR PCPN INTO THE WEEKEND ALONG WITH SLIGHTLY
COOLER TEMPS.

&&

.AVIATION...FOR THE 18Z TAFS THROUGH 18Z MONDAY
ISSUED AT 250 PM MDT SUN MAY 1 2016

VFR CONDITIONS EXPECTED THROUGH MONDAY.

&&

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

$$

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


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