Area Forecast Discussion
Issued by NWS Omaha/Valley, NE

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877
FXUS63 KOAX 182332
AFDOAX

Area Forecast Discussion
National Weather Service Omaha/Valley NE
532 PM CST Sun Nov 18 2018

.SHORT TERM...(Tonight through Wednesday)
Issued at 334 PM CST Sun Nov 18 2018

WV imagery this afternoon showing an upstream ridge hugging the west
coast while a broad trof prevails across the central and eastern
CONUS. At the surface high pressure was in control over the
central Plains.

Increasing heights will result in dry conditions over the next
several days along with a generous warming trend across the region.
Models are in good agreement the western ridge will reach the
central CONUS by Wednesday.

Highs on Monday will be a bit tricky with snow cover south of I-80.
Will go with low 30s north and over snow covered areas and mid 30s
elsewhere.  Wind shift from north to south accompanies the warming
trend which begins in earnest on Tuesday with highs in the low 40s
within the IA CWA and mid/upper 40s NE CWA. For Wednesday expect
highs to top out in the upper 40s/low 50s.

.LONG TERM...(Wednesday night through Sunday)
Issued at 334 PM CST Sun Nov 18 2018

Medium range models indicate the warming trend will continue into
the extended periods with highs generally in the low 50s Thursday
through Saturday.

Precip chances return Thursday night through Friday in association
with passage of a shortwave trof and relatively weak frontal
boundary. Soundings continue to suggest environment will only
support rain. On Sunday a stronger cold front sweeps in
leaving the possibility for a rain/snow mix with highs topping out
in the low/mid 30s.

&&

.AVIATION...(For the 00Z TAFS through 00Z Monday evening)
Issued at 530 PM CST Sun Nov 18 2018

VFR conditions are forecast through Monday afternoon. A cold front
will turn wind from south to northwest between 10Z and 15Z at all
sites. Mid level cigs will develop ahead of the front, with cigs
lowering to FL060 behind the front at times through the day
Monday. The northwest winds could gust to 20kt Monday afternoon.

&&

.OAX WATCHES/WARNINGS/ADVISORIES...
NE...None.
IA...None.
&&

$$

SHORT TERM...DEE
LONG TERM...DEE
AVIATION...Dergan



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