FXUS63 KOAX 022136
AFDOAX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
336 PM CST THU DEC 2 2010
.SHORT TERM...TONIGHT THROUGH SUNDAY
LATE AFTN WV IMAGERY INDCS SHRTWV RIDGE FM THE GREAT BASIN TO THE
SPINE OF THE ROCKIES. UPSTREAM FM THE RIDGE THE NEXT SHRTWV OF
INTEREST TO THE CNTRL PLAINS WAS PUSHING INTO THE PAC NW. AS
ROCKIES SHRTWV RIDGE BUILDS EWD OVERNIGHT...SFC RIDGE AXIS
/CURRENTLY AT 21Z FM ERN SD INTO NE NEB/ WL ALSO DVLP EWD ALLOWING
FOR SRLY WINDS TO INCREASE. 21Z IR IMAGERY INDCS A GOOD DEAL OF HI
CLDS OFF TO THE WEST AND THESE SHLD ALSO BE ADVANCING EWD THIS
EVNG AND CONT FOR TONIGHT. THIS MAKES LOWS A LITTLE DIFFICULT...AND
WE FEEL LIKE TMPS WL FALL OFF AT A DECENT CLIP THIS EVNG BUT ONCE
AGAIN LVL OFF BY LATE EVNG. SHLD START TO SEE SOME LO LVL CLDS
DVLP LATE OVR NE NEB WHERE THE STRONGEST WAA DLVPS.
THE WAA CONTS TO INCREASE DURNG THE MRNG ON FRI WITH THE 285 K
LAYER SHOWING GOOD LIFT MOVG FM NE NEB INTO WRN IA/SW MN. WITH THE
GULF OF MEXICO CLOSED OFF THOUGH...LITTLE IN THE WAY OF PRECIP IS
EXPECTED FOR OUR FA. POINT FORECAST SOUNDINGS IN THIS AREA INDC A
DECENT STRATUS DECK...BUT THE DEPTH OF THE DECK IS NOT ALL THAT
SIGNIFICANT...AND MAY NOT BE ABLE TO SUPPORT ANY FZDZ AND WL
LEAVE THE PERIOD DRY ATTM. SHLD SEE A GOOD DEAL OF CLDS /MAINLY
THE HIGH VARIETY IN THE CNTRL AND SRN FA/ ON FRI BUT STG WAA WL
GIVE TMPS A BOOST TO NEAR TODAY LVLS IN THE S...WITH READINGS A
TOUCH COOLER IN THE CNTRL AND N. AS THE SFC LO TRACKS ALNG THE MO
RIVER AND INTO WRN IA ON FRI EVNG...CDFNT WL SWEEP FM NW TO SE
THRU THE FA ON FRI NIGHT. ISENTROPIC LIFT WL CONT AHEAD OF THE LO
/MAINLY OVR WRN IA/ ON FRI EVNG...BUT COND PRES DEF REMAIN HI AND
SATURATION IN THE MID LVLS CONTS TO APPEAR UNLIKELY. THE STRATUS
DECK DOES BECOME A LITTLE DEEPER ON FRI EVNG AND MAY SEE SOME DZ
OVR WRN IA...BUT THE CHANCES DO NOT APPEAR SUFFICIENT TO INCLUDE
ATTM. SC EXPECTED TO RUSH INTO THE FA ON FRI NIGHT BEHIND THE
CDFNT ALNG WITH SOME BRISK WINDS AND COLDER AIR. SC DECK STILL
APPEARS TO BE TO WARM TO SUPPORT FLURRIES AND WL LEAVE A DRY
FORECAST THRU SAT. WE WILL INCREASE GOING LOWS ON FRI NIGHT THOUGH
WITH THE STG MIXING EXPECTED AND CLDS. COLD DAYS ARE IN STORE FOR
THE WEEKEND WITH LIMITED MIXING AND A GOOD DEAL OF CLDS
/ESPECIALLY ON SAT/.
BOUSTEAD
.LONG TERM...SUNDAY NIGHT THROUGH THURSDAY
LATEST MODELS CONTINUE TO PAINT FAIRLY QUIET PERIOD WITH
TEMPERATURES REMAINING THE PRIMARY CONCERN. UPPER FLOW RATHER
AMPLIFIED AT THE START OF THE EXTENDED PERIOD WITH TROUGH OVER THE
EASTERN CONUS AND RIDGING IN THE WEST. RIDGE GRADUALLY SHIFTS INTO
THE PLAINS TOWARD THE END OF THE PERIOD AND FLATTENS AS WEAK WAVES
ROLL IN FROM THE WEST. LITTLE OVERALL CHANGE TO CURRENT FORECAST FOR
THIS TIME PERIOD.
FOBERT
&&
.AVIATION...
TAF SITES KOFK/KOMA/KLNK
18Z TAFS
MAINLY MVFR CONDITIONS ARE EXPECTED THROUGH THE TAF CYCLE. VFR CIGS
WIL OVERSPREAD THE TAF SITES TONIGHT AHEAD OF A LOW PRESSURE
SYSTEM...WITH WINDS SWITCHING TO SOUTHERLY OVERNIGHT. HAVE INCLUDED
A TEMPO MENTION OF REDUCED VIS AT KOFK TOWARD MORNING AS LOW-LEVEL
MOISTURE MOVES INTO THE AREA. ALL SITES WILL SEE AN INCREASE IN
SOUTHEASTERLY WINDS BY MID-MORNING.
MAYES
&&
.OAX WATCHES/WARNINGS/ADVISORIES...
NE...NONE.
IA...NONE.
&&
$$