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000
FXUS63 KUNR 120909
AFDUNR

AREA FORECAST DISCUSSION FOR WESTERN SD AND NORTHEASTERN WY
NATIONAL WEATHER SERVICE RAPID CITY SD
309 AM MDT WED MAR 12 2014

.SHORT TERM...TODAY THROUGH THURSDAY NIGHT
ISSUED AT 251 AM MDT WED MAR 12 2014

NW FLOW WILL CONTINUE OVER THE REGION TODAY AND THURSDAY WITH MILD
PACIFIC AIR REMAINING IN PLACE OVER THE NORTHERN PLAINS. A BREEZY
DAY IS EXPECTED TODAY WITH WESTERLY WINDS...DUE TO THE SFC
PRESSURE GRADIENT BETWEEN HIGH PRESSURE OVER THE ROCKIES AND A SFC
TROUGH OVER THE GREAT PLAINS. ON THURSDAY...AN UPPER TROUGH WILL
CROSS THE REGION. ONLY AN INCREASE IN CIRRUS IS EXPECTED AS THE
TROUGH PASSES OVER DUE TO THE LACK OF MOISTURE IN THE LOW AND MID
LEVELS. HIGH TEMPERATURES ON THURSDAY WILL BE WARMER THAN TODAY
AHEAD OF A SFC TROUGH THAT WILL PASS THROUGH DURING THE
AFTERNOON...FOLLOWED BY BREEZY TO WINDY NORTHWEST WINDS.

&&

.LONG TERM...FRIDAY THROUGH TUESDAY
ISSUED AT 251 AM MDT WED MAR 12 2014

UPPER RIDGING ACROSS THE WESTERN CONUS WILL BRING DRY
CONDITIONS AND ABOVE AVERAGE TEMPERATURES THROUGH FRIDAY. THE NEXT
SHORTWAVE DIVES THRU THE NORTHERN PLAINS IN NWRLY FLOW FOR FRIDAY
NIGHT INTO SATURDAY...BRINGING CHANCES FOR RAIN/SNOW AND SLIGHTLY
COOLER TEMPERATURES. FAST MOVING RIDGE PASSES OVER ON SUNDAY
BRINGING DRY CONDITIONS WITH WARMING TEMPS. MODELS CONTINUE TO
STRUGGLE SOME WITH THE POTENTIAL SYSTEM MOVING THROUGH EARLY IN THE
WORK WEEK...BUT WITH THE GENERALLY UNSETTLED PATTERN WILL KEEP POPS
IN THE FORECAST ALONG WITH A MODEST COOLING TREND.

&&

.AVIATION...FOR THE 06Z TAFS THROUGH 06Z WEDNESDAY NIGHT
ISSUED AT 251 AM MDT WED MAR 12 2014

VFR CONDITIONS WILL PREVAIL THROUGH THE FORECAST PERIOD.

&&

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

$$

SHORT TERM...10
LONG TERM...77
AVIATION...77