Area Forecast Discussion
Issued by NWS Omaha/Valley, NE

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000 FXUS63 KOAX 300913 AFDOAX Area Forecast Discussion National Weather Service Omaha/Valley NE 313 AM CST Wed Nov 30 2016 .SHORT TERM...
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(today through Friday) Issued at 312 AM CST Wed Nov 30 2016 WV imagery this morning was showing a deep upper trof over the cntrl conus along with a tight circulation/sfc reflection centered over the Upper Midwest. Meanwhile...mosaic 88D was picking up returns over the Dakotas/Upper Midwest with leading edge of the light snow slowly approaching the NE/SD border. Snow activity all in part to potent vort max rounding the backside of the upper level low...in addition to rather stout 305k upglide per RAP13. HIRES ARW/NMM as well as HRRR/RAP23 all remain consistent indicating that accumulating snowfall over the nrn CWA this morning will be limited as the aforementioned backside vort max/sfc low continues pushing off to the east. And at this point...still feel amounts around half an inch or less in the going fcst is still on track. Otherwise...dry and cold conditions on tap Thursday and Friday with max temps only in the mid/upper 30s both days. .LONG TERM...(Friday night through Tuesday) Issued at 312 AM CST Wed Nov 30 2016 ECM and GFS continue to show no significant weather to be concerned about until next Saturday night when the next round of pcpn is possible. GFS/ECM/CMC in relatively agreement advertising a Pac NW shortwave trof moving into the cntrl plains with pcpn developing within the warm sector just ahead of the wave. Models are also in decent agreement northward expansion of activity will halt as it approaches the I-80 corridor with initial pcpn a RA/SN mix before all SN after midnight. Otherwise...the GFS and CMC are advertising another big storm system entering the cntrl plains with the potential for hefty SN accumulations.
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&& .AVIATION...
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(For the 06Z TAFS through 06Z Wednesday night) Issued at 1139 PM CST Tue Nov 29 2016 The large storm system over Minnesota will remain in place tonight and slowly drift into Wisconsin Wednesday. A shortwave trough combined with reinforcing colder air will result in on and off flurries and light snow into Wednesday. MVFR cigs should persist tonight and Wednesday morning. The flurries should become more common and mentioned a tempo group for IFR conditions with the light snow at KOFK toward 12Z. Some improvement in the cigs could occur at KLNK Wednesday, however MVFR conditions should linger through much of the day at KOFK and KOMA. Northwest winds will remain 10 to 20kts and gusty.
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&& .OAX WATCHES/WARNINGS/ADVISORIES... NE...None. IA...None. && $$ SHORT TERM...DEE LONG TERM...DEE AVIATION...Zapotocny

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