Area forecast discussion 
National Weather Service Omaha/valley NE 
625 am CDT sun Apr 26 2015 


Short term...(today) 
issued at 317 am CDT sun Apr 26 2015 


WV imagery this morning revealing an upper level ridge situated over 
the northern/central pl with an upstream longwave trough over the western Continental U.S.. 
hires forecasts in pretty good agreement western trough will bottom out later 
this morning over AZ/nm...then eastward into Texas this afternoon. Brunt of any 
precipitation activity today then should be confined along the western High 
Plains where combination of DPVA and isentropic upglide will be most 
prevalent. 


For the County Warning Area...only topic of concern is cloud cover. Rap13/arw/nmm 
are in quite good agreement depicting decreasing areal coverage from 
east to west taking place during the late morning hours with the break 
between sun/clouds pushing west of the County Warning Area by 18z. Thus expect mostly 
sunny skies during the afternoon hours. As for temperatures...met/mav values are 
quite similar as well as reasonable with highs in the low 60s. 


Dee 


Short term...(tonight through tuesday) 
issued at 317 am CDT sun Apr 26 2015 


High pressure prevails through the period with generally clear 
skies and normal temperatures. There still is a very weak front 
that moves through the forecast area Tuesday. NAM/GFS remain 
dry...while European model (ecmwf)/sref hint at a very small chance for precipitation. 
Still believe moisture is too meager to warrant a mention at this 
time...thus will keep the forecast dry. 


Dewald 


Long term...(tuesday night through saturday) 
issued at 317 am CDT sun Apr 26 2015 


The early part of the extended forecast should be dry with ridging 
aloft and temperatures in the lower to middle 70s and lots of sunshine. A 
front is forecast to move into the area on Friday at peak 
heating...and moisture appears to be sufficient to at least 
mention a slight chance of thunderstorms. That wave then moves 
through...but another weak wave appears to be moving through the 
area on Saturday which could trigger additional thunderstorms. Middle 
to upper 70s temperatures continue Friday and Saturday. 


&& 


Aviation...(12z tafs for kofk...klnk and koma.) 
Issued at 620 am CDT sun Apr 26 2015 


Low ceilings continue to exit westward over eastern Nebraska and expect VFR 
conditions to prevail the forecast period at kofk and koma. At 
klnk...MVFR ceilings should be clear within the next couple 
hours...thus have added tempo group to reflect this. 


&& 


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


$$ 


Short term...Dee/Dewald 
long term...Dewald 
aviation...Dee 






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