FXUS63 KOAX 062046
AFDOAX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
246 PM CST MON DEC 6 2010
.SHORT TERM...TONIGHT THROUGH THURSDAY.
AREA REMAINS UNDER THE INFLUENCE OF HIGH PRESSURE THIS AFTERNOON
AND THIS PATTERN IS EXPECTED TO EXTEND THROUGH WEDNESDAY WITH
TEMPERATURES THE PRIMARY FOCUS IN THE FORECAST.
CLEAR SKIES AND LIGHT WINDS WILL ALLOW TEMPERATURES TO PLUNGE
TOWARD THE SINGLE DIGITS AGAIN TONIGHT OVER THE FORECAST AREA.
SOME PATCHY FOG OR STRATUS POSSIBLE IN PORTIONS OF NORTHEAST
NEBRASKA NORTH OF NORFOLK SIMILAR TO THIS MORNING...WHERE SOME
SNOW COVER STILL IN PLACE. GRADUAL WARMING THEN FOR TUESDAY
THROUGH THURSDAY AS HIGH SHIFTS EAST AND CLIPPER LOW SLIDES FROM
ALBERTA TOWARDS THE GREAT LAKES SPREADING WARM AIR INTO THE PLAINS.
BIG CHANGES COMING UP IN THE EXTENDED.
.LONG TERM...THURSDAY NIGHT THROUGH MONDAY.
MAIN FORECAST CHALLENGE WILL BE A LOW PRESSURE SYSTEM THAT MOVES
INTO THE REGION FRIDAY NIGHT THEN MOVES EAST OF THE AREA ON
SATURDAY. THIS WILL BRING A GLANCING CHANCE OF RAIN CHANGING TO
SNOW FRIDAY NIGHT...BUT COULD ALSO BE A VERY BRIEF FREEZING RAIN
THREAT...JUST DEPENDENT ON HOW FAST THE ARCTIC AIR WILL PLUNGE IN.
LATEST 12Z MODELS ARE IN AGREEMENT WITH A QUICKER TRANSITION...ALTHOUGH
THERE STILL ARE SOME LATITUDINAL PLACEMENT ISSUES OF THE SURFACE
LOW BY 12Z SATURDAY. THIS WILL ALSO RESULT IN ANOTHER SHARPLY
COLDER AIRMASS FILTERING OVER THE REGION THROUGH THE
WEEKEND...WITH VERY BLUSTERY CONDITIONS AND NORTHWEST WINDS AT 20
TO 40 MPH. THIS DOES NOT LOOK LIKE A BIG SNOWFALL AMOUNT TYPE
SYSTEM FOR US...WITH AREAS TO THE EAST RECEIVING A MUCH MORE
SIGNIFICANT IMPACT. STILL COLD THROUGH EARLY NEXT WEEK...ALTHOUGH
WE MAY HAVE TO CONSIDER DROPPING TEMPERATURES GIVEN THE ARCTIC
HIGH REMAINS ENTRENCHED FROM THE UPPER PLAINS SOUTHWARD INTO THE
LOWER MISSOURI RIVER VALLEY.
&&
.AVIATION...
TAF SITES KOFK/KOMA/KLNK
VFR CONDITIONS ARE EXPECTED ACROSS ALL THREE TAF SITES THRU THE PD.
SKIES SHOULD REMAIN CLEAR FOR THE MOST PART WITH VARIABLE SFC WINDS
AS HIGH PRESSURE MOVES OVERHEAD.
&&
.OAX WATCHES/WARNINGS/ADVISORIES...
NE...NONE.
IA...NONE.
&&
$$
FOBERT/DEWALD/KERN