Area Forecast Discussion
Issued by NWS Rapid City, SD

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000
FXUS63 KUNR 240921
AFDUNR

AREA FORECAST DISCUSSION FOR WESTERN SD AND NORTHEASTERN WY
NATIONAL WEATHER SERVICE RAPID CITY SD
321 AM MDT FRI OCT 24 2014

.SHORT TERM...TODAY THROUGH SATURDAY NIGHT
ISSUED AT 320 AM MDT FRI OCT 24 2014

STRONG UPPER RIDGING CONTINUES ACROSS THE SCNTRL CONUS...WITH THE
MAIN UPPER FLOW CROSSING THE PACIFIC NW TO THE NRN PLAINS. UPPER
FLOW BRINGING IN PLENTY OF HIGH CLOUDS EARLY THIS MORNING. SURFACE
ANALYSIS SHOWS HIGH PRESSURE OVER THE CENTRAL PLAINS.

NOT MUCH CHANGE TO THE OVERALL PATTERN SINCE YESTERDAY...WITH
TEMPERATURES EXPECTED TO REACH THE UPPER 60S TO UPPER 70S TODAY.
HIGH CLOUDS WILL SLIDE NORTH TODAY WITH SUNNY SKIES EXPECTED IN THE
AFTERNOON. UPPER RIDGING WILL EXTEND NRD SAT INTO THE NRN
ROCKIES/PLAINS...IN RESPONSE TO A TROUGH PUSHING INTO THE PACIFIC
NW. SUNNY SKIES ARE EXPECTED SAT WITH HIGHS AGAIN IN THE UPPER 60S
TO UPPER 70S. WARMEST TEMPS TODAY WILL BE IN SCNTRL SD...BUT WARMEST
TEMPS SAT WILL SWITCH TO NE WY AS RETURN FLOW SETS UP W/ SE WINDS.

&&

.LONG TERM...SUNDAY THROUGH THURSDAY
ISSUED AT 320 AM MDT FRI OCT 24 2014

A PERSISTENT UPPER LEVEL RIDGE WILL STICK AROUND A BIT
LONGER SUNDAY RESULTING IN CONTINUED ABOVE NORMAL TEMPERATURES. AN
UPPER LEVEL TROUGH MOVES THROUGH SUNDAY NIGHT AND MONDAY PUSHING A
COLD FRONT THROUGH THE CWA. ENOUGH FORCING PRESENT TO OVERCOME DRY
AIR AND THUS WILL CONTINUE POPS SUNDAY NIGHT AND MONDAY. WET BULB
ZERO PROFILES SUGGEST SOME SNOW POSSIBLE OVER THE HIGHER ELEVATIONS
LATE AT NIGHT. MAINLY DRY WEATHER IS THEN EXPECTED TUESDAY THROUGH
THURSDAY WITH SEASONAL FALL TEMPERATURES.

&&

.AVIATION...FOR THE 12Z TAFS THROUGH 12Z SATURDAY MORNING
ISSUED AT 320 AM MDT FRI OCT 24 2014

VFR CONDITIONS ARE EXPECTED THROUGH PERIOD WITH A STREAM
OF MID/HIGH CLOUDS.

&&

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

$$

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







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