Area Forecast Discussion
Issued by NWS Omaha/Valley, NE

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000
FXUS63 KOAX 211809
AFDOAX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
1209 PM CST WED JAN 21 2015

.SHORT TERM...(TODAY THROUGH FRIDAY)
ISSUED AT 324 AM CST WED JAN 21 2015

NORTHWEST FLOW ALOFT CONTINUES THIS MORNING WITH A MID LEVEL LOW
CURRENTLY MOVING ACROSS NORTHERN IOWA AND A SHARP MID LEVEL
SHORTWAVE TROUGH DIGGING SOUTH THROUGH THE WESTERN DAKOTAS. AT THE
SFC...LOW PRESSURE WAS CENTERED OVER NORTHEAST IOWA WHILE A LARGE
AREA OF SFC HIGH PRESSURE EXTENDED FROM THE NORTHWESTERN CONUS
SOUTHEASTWARD INTO THE SOUTHERN PLAINS.

LIGHT PCPN CONTINUES TO DRIFT SOUTHEAST ACROSS EASTERN SOUTH DAKOTA
AND NORTHERN IOWA WHERE BEST Q-VECTOR CONVERGENCE REMAINS. A FEW
FLURRIES OR SPRINKLES ARE POSSIBLE ACROSS OUR NORTHERN COUNTIES THIS
AFTERNOON IN ASSOCIATION WITH THE SECONDARY SHORTWAVE ACROSS THE
NORTHERN PLAINS. THE BULK OF THE STRONG FORCING FOR ASCENT WILL
REMAIN NORTH AND EAST OF OUR CWA HOWEVER.

TEMPERATURES WILL REMAIN ABOVE NORMAL FOR THIS TIME OF THE YEAR WITH
HIGHS TODAY LIKELY THE COOLEST OF THE 7 DAY FORECAST...RANGING FROM
THE MID 30S IN THE NORTH TO LOW 40S IN OUR SOUTH. SOME SLIGHT
MODERATION IS EXPECTED THURSDAY WITH HIGHS A COUPLE DEGREES WARMER
THAN TODAY.

SLIGHTLY WARMER TEMPERATURES ARE EXPECTED ON  FRIDAY AS A COOL
FRONT DROPS THROUGH THE REGION AND ALLOWS BETTER MIXING TO OCCUR.

.LONG TERM...(FRIDAY NIGHT THROUGH TUESDAY)
ISSUED AT 324 AM CST WED JAN 21 2015

A STRONG CLIPPER SYSTEM WILL DROP THROUGH THE NORTHERN PLAINS AND
INTO THE CENTRAL PLAINS SATURDAY NIGHT. THIS WILL BRING A CHANCE OF
RAIN/SNOW TO THE AREA SATURDAY NIGHT INTO SUNDAY. IN
ADDITION...STRONG UNIDIRECTIONAL NORTHWESTERLY FLOW SHOULD ALLOW STRONG
MOMENTUM TRANSFER FOR WINDY CONDITIONS SUNDAY.

NORTHWESTERLY FLOW WILL CONTINUE INTO EARLY NEXT WEEK WITH AMPLIFIED
RIDGING BUILDING ACROSS THE WESTERN CONUS. TEMPERATURES INTO NEXT
WEEK LOOK TO AVERAGE AROUND 50 FOR HIGHS AND UPPER 20S TO LOW 30S
FOR LOWS.

&&

.AVIATION...(18Z TAFS FOR KOFK...KLNK AND KOMA.)
ISSUED AT 1201 PM CST WED JAN 21 2015

UPPER LEVEL TROUGH OF LOW PRESSURE WILL CONTINUE TO MOVE SOUTHEAST
ACROSS THE MID MISSISSIPPI VALLEY AND CENTRAL PLAINS. ACCOMAPNYING
THE TROUGH ARE LOW CLOUDS THAT WILL MOVE ACROSS THE AREA THIS
AFTERNOON THROUGH MID MORNING ON THURSDAY. CLOUD CEILINGS ARE
EXPECTED TO REMAIN MVFR WITH CEILINGS AROUND OVC025. CELINGS AFTER
22/10Z AT KOMA MAY GO DOWN TO OVC015. ISOLATED SNOW FLURRIES ARE
ALSO POSSIBLE AT KOFK BETWEEN 22/00Z TO 22/06Z.

&&

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

$$

SHORT TERM...KERN
LONG TERM...KERN
AVIATION...SMITH



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