FXUS63 KOAX 182041

Area Forecast Discussion
National Weather Service Omaha/Valley NE
Issued by National Weather Service Hastings NE
341 PM CDT Mon Mar 18 2019

.SHORT TERM...(Tonight through Thursday)
Issued at 339 PM CDT Mon Mar 18 2019

Potent vort max is progged to sweep southward through the Dakotas
tonight and eventually into the central Plains Tuesday night. The
RAP advertises scattered precip developing early this evening
then gradually into the CWA around midnight. A precip mix of RA/SN
will be possible between midnight tonight through early Wednesday
morning. During the rest of the morning hours, the dominate
precip type will be rain. As of now models are in reasonable
agreement bulk of rainfall accumulation will occur generally
along/south of the I-80 corridor with a quarter inch or so by
events end Tuesday evening.

A noticeable warming trend is expected over the next several days
with highs going from the mid 40s on Tuesday to the mid 50s on
Wednesday and Thursday.

.LONG TERM...(Thursday night through Monday)
Issued at 339 PM CDT Mon Mar 18 2019

Well amplified ridge is progged to be over the central CONUS
Thursday night and slowly get displaced eastward on Friday in
response to upper system approaching from the west. Series of
impulses rounding the base of the system get ejected into the
central Plains and aids with inducing scattered precip Friday
afternoon over the central High Plains. Precip activity is progged
to expand into the CWA then late Friday night/Saturday morning and
increase in areal coverage through Sunday morning. Precip chances
continue Sunday afternoon through Monday as the main upper
circulation moves over the CWA, allowing upper dynamic support to
be maintained.


.AVIATION...(For the 18Z TAFS through 18Z Tuesday afternoon)
Issued at 1232 PM CDT Mon Mar 18 2019

VFR conditions will prevail through at least midnight. Shortly
after, deteriorating conditions are expected at all terminals
toward 10z Tuesday morning. KOFK will initially see a RA/SN mix
before change over to all rain around 14z. As for KOMA/KLNK, RA
will be the predominate precip type beginning sometime btwn 12z-
14z. MIX MVFR/IFR conditions expected with onset of precip and
continuing the duration of the fcst pd.




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