FXUS63 KOAX 032015
AFDOAX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
215 PM CST FRI DEC 3 2010
.SHORT TERM...TONIGHT THROUGH MONDAY.
TEMPERATURES AND SKY CONDITION WILL BE THE PRIMARY CONCERNS IN THE
SHORT TERM PART OF THE FORECAST.
QUITE A CONTRAST IN TEMPERATURES ACROSS THE REGION AT 19Z WITH
WARM FRONT ACROSS WESTERN HALF OF NEBRASKA AND COLD FRONT
APPROACHING THE NORTHWEST CORNER OF THE STATE. MAIN PRECIP WELL
NORTH AND EAST OF THE AREA IN WARM ADVECTION WING OF THE SYSTEM.
COLD FRONT IS EXPECTED TO SWEEP THROUGH MOST OF THE FORECAST AREA
THIS EVENING BEFORE MIDNIGHT WITH SOME FLURRIES POSSIBLE IN THE
NORTHERN BORDER AREA. TEMPERATURES WILL BE TRICKY WITH WARMING
LIKELY EXTENDING INTO THE EARLY EVENING IN ADVANCE OF THE COLD FRONT
FOLLOWED BY COLD ADVECTION LATE TONIGHT INTO SATURDAY RESULTING IN A
FAIRLY NARROW DIURNAL RANGE OVERALL. HIGH PRESSURE THEN DOMINATES THE
REGION SATURDAY NIGHT THROUGH MONDAY WITH VERY COLD TEMPERATURES
IN THAT PERIOD. VARIABLE CLOUD COVER ALSO LIKELY WITH CYCLONIC
FLOW TO THE EAST AND UPSLOPE IN THE WEST.
.LONG TERM...MONDAY NIGHT FRIDAY.
STRONG NORTHWESTERLY FLOW WILL BE IN PLACE TO BEGIN THE PERIOD AS
UPPER RIDGE BUILDS ACROSS THE WESTERN CONUS. BY LATER IN THE
WEEK...THE RIDGE DEAMPLIFIES WITH NEARLY ZONAL FLOW OVER THE REGION.
ENTIRE PERIOD WILL REMAIN DRY WITH TEMPERATURES AS THE MAIN CONCERN.
WL BEGIN THE EXTENDED FAIRLY COLD WITH CANADIAN SFC HIGH PRESSURE
OVER THE REGION. WAA BEGINS TO MOVE IN BY WEDNESDAY WHICH SHOULD
DRIVE HIGHS INTO THE LOWER 40S ACROSS OUR WESTERN AREAS.
&&
.AVIATION...
TAF SITES KOFK/KOMA/KLNK
18Z TAFS
MAIN THREAT OF SIGNIFICANT WINTER WEATHER WILL REMAIN NORTH AND EAST
OF ALL THREE TAF SITES THROUGH THE FORECAST PERIOD. ISOLATED
FLURRIES OR SPRINKLES POSSIBLE MAINLY IN VICINITY OF KOFK.
OTHER AVIATION CONCERNS...CLOUDS WILL CONTINUE TO THICKEN AND LOWER
THROUGH 04/18Z. A COLD FRONT WILL MOVE ACROSS THE FORECAST AREA
BRINGING WITH IT MVFR CIGS...BETWEEN 04/01Z AND 04/06Z...AND A WIND
SHIFT...BECOMING NORTHWEST AT 15G25KT. ISOLATED VCSH POSSIBLE...BUT
NOT ENOUGH CONFIDENCE TO INCLUDE IN TAFS AT THIS TIME.
&&
.OAX WATCHES/WARNINGS/ADVISORIES...
NE...NONE.
IA...NONE.
&&
$$
FOBERT/KERN/WEBER/MEYER