Area Forecast Discussion
Issued by NWS Omaha/Valley, NE

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830 FXUS63 KOAX 211758 AFDOAX Area Forecast Discussion National Weather Service Omaha/Valley NE 1258 PM CDT Fri Apr 21 2017 .SHORT TERM...(Today through Sunday) Issued at 313 AM CDT Fri Apr 21 2017 Quiet and slightly cool weather on tap for today as an upper trough across the Rockies moves onto the central Plains. The KS/NE border region will be on the northern edge of any precipitation, thus will have a slight chance of showers there, but dry elsewhere. Highs today just below normal in the lower 60s, with partly to mostly cloudy skies. High pressure prevails tomorrow with more sunshine, and temps a couple of degrees higher than today. Return southerly flow develops Sunday, with breezy southwest winds expected, but with abundant sunshine. Highs Sunday around 70. .LONG TERM...(Sunday night through Thursday) Issued at 313 AM CDT Fri Apr 21 2017 Quiet, mild, and windy weather continues early in the long term, although there will be a trough moving through the northern Plains, which does push a surface cold front into the area. This could bring a few showers to the NE/SD border area, but temps Monday will be well above normal in the lower to mid 70s. With the cool front there should be an increasing chance for showers Tuesday, but instability remains south of the region across KS and MO. Showers chances exist Wednesday as moisture moves out of the Rockies. Easterly surface winds prevail, thus helping to keep instability south of the region, and also helping to keep temps just below normal in the upper 50s to mid 60s. Upper trough begins to eject onto the Plains on Thursday, which should bring instability with it. Showers and thunderstorms become likely thursday across southern half of the forecast area. && .AVIATION...
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(For the 18Z TAFS through 18Z Saturday afternoon) Issued at 1246 PM CDT Fri Apr 21 2017 Extensive layer of high clouds cover eastern Nebraska and western Iowa at the start of the period. Dry easterly flow at the surface through the mid levels are indicated by RAP forecast soundings to extend into the overnight hours. This will allow VFR cigs to prevail through the period as slow moving upper trough over the southern plains works east and surface high pressure remains across the upper Mississippi Valley.
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&& .OAX WATCHES/WARNINGS/ADVISORIES... NE...None. IA...None. && $$ SHORT TERM...DeWald LONG TERM...DeWald AVIATION...Fobert

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