FXUS63 KOAX 270845
AFDOAX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
245 AM CST SAT NOV 27 2010
.DISCUSSION...
VERY FEW WEATHER CONCERNS TODAY AND TOMORROW AS UPPER RIDGE ACROSS
THE ROCKIES SPREADS EAST GIVING US A COUPLE OF VERY NICE DAYS...
ALTHOUGH WINDY CONDITIONS ON SUNDAY JUST SHY OF ADVISORY CRITERIA
WILL MAKE IT NOT FEEL AS NICE OUTSIDE AS IT WILL ON SATURDAY. LOTS
OF SUNSHINE BOTH DAYS...ALTHOUGH INCREASING CIRRUS WILL LIKELY
FILTER OVERHEAD OVER THE NEXT 48 HOURS. REGARDING STRONG WINDS ON
SUNDAY...WINDS OF 50-60 KTS ARE NOTED AT H85 SO THERE IS SOME
POTENTIAL TO MEET ADVISORY CRITERIA BRIEFLY IF WE CAN MIX THAT
HIGH...AND GREATEST CONCERN WOULD BE ACROSS SOUTHEASTERN HALF OF
THE CWFA...KLNK TO KOMA AND POINTS SOUTHEAST.
MAIN CONCERN WILL BE NEXT CHANCE FOR PRECIPITATION AS THE TROUGH
JUST NOW MOVING ONTO THE WEST COAST AFFECT OUR AREA WITH A VARIETY
OF WINTRY PRECIPITATION. LOW LEVEL MOISTURE WILL BE ON THE
INCREASE SUNDAY NIGHT AHEAD OF THE COLD FRONT...WHICH SHOULD MOVE
INTO EASTERN NEBRASKA BY DAYBREAK MONDAY. THIS COULD RESULT IN
SOME DRIZZLE OR SPOTTY SHOWERS EASTERN HALF OF THE CWFA...WHERE
TEMPS SHOULD REMAIN JUST ABOVE FREEZING THANKFULLY. THE GFS/SREF
SHOW THIS TREND THE BEST...WITH NAM/ECMWF REMAINING DRY.
MEANWHILE...AS THE COLDER AIR BEGINS TO FILTER INTO NORTHEAST
NEBRASKA BEHIND THE FRONT...THERE COULD BE A BRIEF WINDOW OF
OPPORTUNITY FOR FREEZING DRIZZLE DUE TO THE LACK OF ICE CRYSTAL
FORMATION DUE TO THE LACK OF DEEP SATURATION. HOWEVER...IN THE FAR
NORTHWESTERN CWFA...THERE SHOULD BE ENOUGH MOISTURE FOR ALL
SNOW...ALTHOUGH AMOUNTS THANKFULLY REMAIN MEAGER WITH BEST
FORCING/LIFT MOVING NORTH INTO THE DAKOTAS. BLUSTERY CONDITIONS
DEVELOP FAIRLY QUICKLY MONDAY AS NORTHWEST FLOW PREVAILS...SO THE
POTENTIAL FOR ANY LENGTHY PERIODS OF FREEZING DRIZZLE APPEAR LOW.
THERE COULD ALSO BE A SMALL PERIOD OF SNOW ACROSS NORTHEAST NEBRASKA
MONDAY AFTERNOON...THAT THEN SPREADS EAST SOUTHEAST ACROSS THE
REMAINDER OF THE CWFA MONDAY NIGHT...BUT PUSHES EAST OF THE CWFA
BY DAYBREAK TUESDAY. AGAIN...DURING THIS TIME...NO SIGNIFICANT
AMOUNTS OF SNOW ARE FORECAST...HOWEVER...IT WILL BE VERY BLUSTERY
WITH 20 TO 30 MPH NORTHWEST WINDS WHICH COULD UNFORTUNATELY CREATE
SOME VISIBILITY ISSUES WITH THE SNOW. WIND CHILLS WILL ALSO DIP
INTO THE SINGLE DIGITS ABOVE AND BELOW ZERO MONDAY NIGHT...AND
REMAIN IN THE TEENS ON TUESDAY. SO WHILE NOT ANY SIGNIFICANT
WINTER STORM...IT WILL HAVE A PUNCH THAT HEARTLANDERS WILL
CERTAINLY NOTICE.
&&
.AVIATION...
TAF SITES KOFK/KOMA/KLNK
06Z TAFS
HIGH PRESS RIDGE ALOFT WILL KEEP COND VFR THRU THE FCST PD.
HOWEVER GOOD INDICATION THAT LLWS WILL BE PREVALENT MAINLY AT KOFK
AND KLNK BTWN 28/03Z-06Z. HAVE OPTED TO NOT INCLUDE IN TAF DUE TO
OCCURRENCE WILL BE LATE IN THE FCST PD.
&&
.OAX WATCHES/WARNINGS/ADVISORIES...
NE...NONE.
IA...NONE.
&&
$$
DEWALD/DEE