Area Forecast Discussion
Issued by NWS Omaha/Valley, NE

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FXUS63 KOAX 232339

Area Forecast Discussion
National Weather Service Omaha/Valley NE
639 PM CDT Tue May 23 2017

.SHORT TERM...(Tonight through Wednesday night)
Issued at 301 PM CDT Tue May 23 2017

Large upper level low was located over northern Iowa this
afternoon and will continue to drop south toward Missouri by
Wednesday morning. Scattered showers continue to pop up across the
CWA this afternoon around the backside of the low. These appear
to be diurnally driven and should begin to diminish with sunset.

Wednesday looks dry as the above mentioned upper level low continues
to dig south and east allowing weak upper level ridging to build
overhead. At the surface, a high pressure ridge will be pushing into
the area Wednesday afternoon allowing winds to diminish and return
southerly flow setting up by Thursday morning.

.LONG TERM...(Thursday through Tuesday)
Issued at 301 PM CDT Tue May 23 2017

By early Thursday, a large upper low over southwestern Canada will
slide east along the International border allowing a few weak
embedded shortwaves to drop into the Central Plains. One of the
stronger waves is progged to move into northeastern Nebraska
Thursday afternoon when we have a small chance of pops.  Otherwise,
off and on chances of precipitation remain through the weekend as
continued mid-level impulses take aim at the region the large
Canadian low.


.AVIATION...(For the 00Z TAFS through 00Z Wednesday evening)
Issued at 616 PM CDT Tue May 23 2017

Scattered showers will continue to move out of the region early in
the period. A few MVFR cigs will be possible until showers exit
the area. Lower clouds could fill in for a few hours around 12Z,
with IFR levels possible. VFR conditions should return by late
Wednesday morning.




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