000
FXUS63 KUNR 140905
AFDUNR

AREA FORECAST DISCUSSION FOR WESTERN SD AND NORTHEASTERN WY
NATIONAL WEATHER SERVICE RAPID CITY SD
305 AM MDT FRI MAR 14 2014

.SHORT TERM...TODAY THROUGH SATURDAY NIGHT
ISSUED AT 247 AM MDT FRI MAR 14 2014

CURRENT SURFACE ANALYSIS SHOWS A LOW PRESSURE CENTER OVER LAKE
SUPERIOR WITH HIGH PRESSURE OVER THE NORTHERN ROCKIES. A COLD
FRONT EXTENDS WESTWARD ALONG CANADIAN BORDER...ARCING TO THE
NORTHWEST INTO SASKATCHEWAN. UPPER ANALYSIS SHOWS A TROUGH TO THE
SOUTHEAST OF THE FORECAST AREA WITH AN UPPER RIDGE TO THE WEST.

DRY AND MILD WEATHER WILL CONTINUE ACROSS THE REGION TODAY...WITH
TEMPERATURES ABOVE AVERAGE AS THE UPPER RIDGE CROSSES THE NORTHERN PLAINS.
A FAST MOVING SHORWAVE WILL AFFECT THE AREA TONIGHT AND SATURDAY
BRINGING A MIX OF RAIN AND SNOW. LL COLD ADVECTION ON SATURDAY
WILL LEAD TO VERY WINDY NORTHWEST WINDS AND COOLER TEMPERATURES WITH
HIGHS IN THE LOWER 30S TO MID 40S. THE SHORTWAVE WILL MOVE OFF TO
THE EAST ON SATURDAY NIGHT WHICH WILL BRING AN END TO THE
PRECIPITATION.

&&

.LONG TERM...SUNDAY THROUGH THURSDAY
ISSUED AT 247 AM MDT FRI MAR 14 2014

UPPER RIDGING WILL QUICKLY BUILD ACROSS THE REGION
SUNDAY BRINGING DRY CONDITIONS AND TEMPERATURES ABOVE AVERAGE. WARM
AND DRY WEATHER IS SHORT-LIVED AS LARGE TROF BRINGS A SERIES OF
SHORTWAVES THROUGH THE NORTHERN PLAINS FOR THE FIRST PART OF NEXT
WEEK. MONDAY WILL STILL BE MILD...WITH THE FIRST SHORTWAVE BRINGING
RAIN...CHANGING TO SNOW BY MONDAY NIGHT. LIGHT TO MODERATE SNOW
ACCUMULATIONS ARE POSSIBLE BY TUESDAY MORNING. COOL AND UNSETTLED
WEATHER WILL CONTINUE THROUGH WEDNESDAY...WITH DRIER AND WARMER
CONDITIONS RETURNING LATE NEXT WEEK.

&&

.AVIATION...FOR THE 06Z TAFS THROUGH 06Z FRIDAY NIGHT
ISSUED AT 247 AM MDT FRI MAR 14 2014

VFR CONDITIONS WILL PREVAIL THROUGH THE FORECAST PERIOD.

&&

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

$$

SHORT TERM...10
LONG TERM...13
AVIATION...13