Area forecast discussion 
National Weather Service Omaha/valley NE 
322 am CDT Wednesday Sep 28 2016 


Short term...(today through friday) 
issued at 320 am CDT Wednesday Sep 28 2016 


Quiet weather conditions will continue today with noticeably 
cooler high temperatures. 


A large upper level low continues to drift southeast across the 
southern Great Lakes region with a strong vort lobe rotating 
around the back side of the low. This has allowed a cold front to 
push into the Central Plains and fairly strong 850mb cold air 
advection will continue to take place today with 850mb temps 
falling about 10c in 24 hours. Highs today will range from the 
lower 60s in our western Iowa counties to the mid to upper 60s in 
our Nebraska counties. The western edge of an extensive cloud 
deck currently extends across the eastern Dakotas and into 
central Iowa and continues to expand west. This could impact 
areas along and east of the Missouri River today which would keep 
temps a few degrees cooler. 


Overnight lows will dip into the lower to mid 40s as a surface 
high pressure ridge axis extends through the forecast area into 
Thursday. This surface ridge axis will remain over the area into 
the early part of the weekend. 


Long term...(friday night through tuesday) 
issued at 320 am CDT Wednesday Sep 28 2016 


Quiet weather conditions with mild temperatures will continue 
through much of Sunday when return low level flow increases across 
the Central Plains ahead of a deepening upper level trough over 
the western states. A few showers/thunderstorms are possible late 
Sunday night provided enough moisture return in a strong warm air 
advection regime. Otherwise, low level flow will increase early 
next week in advance of the approaching upper level trough which 
will eventually push a very strong cold front into the region mid- 
late next week. 


&& 


Aviation...(06z tafs for kofk...klnk and koma.) 
Issued at 959 PM CDT Tuesday Sep 27 2016 


VFR conditions are likely through the taf cycle at kofk and klnk. 
At koma, a bank of stratus in Minnesota/Iowa may sneak westward just enough 
to affect the site for a few hours in the morning. Have noticed 
intermittent visibility restrictions across the region; am 
uncertain if the cause is smoke, crop-harvest dust, or haze, but 
in any case, have opted to keep VFR visibility at all sites, as 
any restrictions have been intermittent. Winds will remain 
northwesterly to northerly at around 5-10kt. 




&& 


Oax watches/warnings/advisories... 
NE...none. 
Iowa...none. 
&& 


$$ 


Short term...Kern 
long term...Kern 
aviation...Mayes 



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