Area Forecast Discussion
Issued by NWS Omaha/Valley, NE

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000
FXUS63 KOAX 251742
AFDOAX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
1142 AM CST TUE NOV 25 2014

.SHORT TERM...(TODAY THROUGH THURSDAY)
ISSUED AT 206 AM CST TUE NOV 25 2014

TEMPERATURES AND SNOW CHANCES TUESDAY NIGHT AND WEDNESDAY WILL BE
MAIN FOCUS IN THE SHORT TERM.

REGION REMAINS UNDER A NORTHWEST UPPER FLOW AT 08Z WITH CLIPPER
SYSTEM APPROACHING THE NORTHERN PLAINS FROM SOUTHWEST CANADA.
STRONG LOW LEVEL WARM ADVECTION IS EXPECTED TO DEVELOP TODAY AS
THE CLIPPER MOVES INTO WESTERN NORTH DAKOTA BY LATE MORNING. WEAK
SURFACE WINDS WILL ALLOW TEMPERATURES TO START OFF QUITE COOL
EARLY THIS MORNING BUT WARM QUICKLY AS WINDS INCREASE DURING THE
LATE MORNING AND EARLY AFTERNOON.

SOME LIGHT PRECIP IS EXPECTED TO DEVELOP DURING THE EVENING ACROSS
MAINLY NORTHERN AND EASTERN PARTS OF THE AREA AND CONTINUE
OVERNIGHT AS SYSTEM TRACKS INTO WESTERN IOWA BY WEDNESDAY MORNING.
BETTER CHANCE OF MEASURABLE SNOW WILL BE NORTH AND EAST OF THE
LOW TRACK. EASTERN PARTS OF THE FORECAST AREA FROM NORTHEAST
NEBRASKA INTO WESTERN IOWA ARE EXPECTED TO SEE UP TO AN INCH OF
NEW SNOW BY WEDNESDAY MORNING WITH HIGHER AMOUNTS LIKELY FROM
SOUTHWEST MINNESOTA INTO CENTRAL IOWA. REMAINDER OF THE AREA
SHOULD SEE LITTLE TO NO ACCUMULATION WITH TEMPERATURES ABOVE
FREEZING AT THE BEGINNING OF THE EVENT IN MOST AREAS. STRONG AND
GUSTY NORTHWEST WINDS WILL SPREAD INTO THE AREA LATE TUESDAY NIGHT
BEHIND THE FRONT AND CONTINUE THROUGH MUCH OF THE DAY WEDNESDAY
WITH PERIODS OF LIGHT SNOW OR FLURRIES POSSIBLE IN THE EAST DURING
THE MORNING.

COLD HIGH PRESSURE SETTLES INTO THE REGION WEDNESDAY NIGHT AND
BEGINS TO SHIFT EAST ON THURSDAY AS A WARM FRONT DEVELOPS OVER THE
WESTERN HIGH PLAINS.

.LONG TERM...(THURSDAY NIGHT THROUGH MONDAY)
ISSUED AT 206 AM CST TUE NOV 25 2014

REGION WILL ENJOY FAIRLY MILD CONDITIONS FRIDAY INTO SATURDAY AS
MORE ZONAL UPPER FLOW BRINGS A POOL OF WARMER AIR INTO THE PLAINS.
WARM UP IS SHORT LIVED HOWEVER AS ANOTHER COLD FRONT BEGINS TO
DROP SOUTH FROM THE DAKOTAS LATE SATURDAY. COLD AIR ROLLS SOUTH
INTO THE AREA SATURDAY NIGHT AND SUNDAY WITH DRY WEATHER EXPECTED
FOR OUR AREA. ANOTHER PERIOD OF WARMING IS INDICATED FOR MONDAY AS
UPPER RIDGE BUILDS OVER THE PLAINS REGION AHEAD OF STRONG WEST
COAST TROUGH.

&&

.AVIATION...(18Z TAFS FOR KOFK...KLNK AND KOMA.)
ISSUED AT 1128 AM CST TUE NOV 25 2014

LOW PRESSURE OVER ND WILL MOVE ACROSS NERN NEBR LATE THIS EVENING
BEFORE MOVING INTO NORTHERN MISSOURI BY LATE WEDNESDAY MORNING.
THIS SYSTEM WILL SPREAD INCREASING CLOUDS ACROSS ERN NEBR THRU
EARLY EVENING WITH RAIN OR A RAIN/SNOW MIX DEVELOPING. PRECIP ON
NRN END SHOULD CHANGE PRIMARILY TO SNOW BY MIDNIGHT...WITH
OMAHA/NORFOLK NEAR THAT LINE MARKING ALL SNOW VS. A MIX.
VISIBILITIES IN THE PRECIPITATION ARE EXPECTED TO DROP TO IFR
LEVELS...AND CIGS MIGHT AS WELL. MVFR CIGS WILL THEN LINGER
BEHIND LOW WELL INTO WEDNESDAY.

&&

.OAX WATCHES/WARNINGS/ADVISORIES...
NE...NONE.
IA...NONE.
&&

$$

SHORT TERM...FOBERT
LONG TERM...FOBERT
AVIATION...CHERMOK



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