Area Forecast Discussion
Issued by NWS Hastings, NE

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FXUS63 KGID 230756
AFDGID

Area Forecast Discussion
National Weather Service Hastings NE
256 AM CDT Sun Jul 23 2017

.SHORT TERM...(Today and tonight)
Issued at 256 AM CDT Sun Jul 23 2017

After an extended period of extreme heat/humidity, temperatures
will be slightly cooler today...closer to the mid-July normals...
near 90-95F degrees. While still hot, heat indices will stay in
check with a little drier air. Skies will be mostly clear and
winds will be light transitioning from northerly to southeasterly
through the day/evening. Tonight it will be quiet with lows in
the 60s.


.LONG TERM...(Monday through Saturday)
Issued at 256 AM CDT Sun Jul 23 2017

Aloft: The Westerlies will be fairly zonal along the US-Can border
Mon-Tue...but a small low will be advancing E across Srn Canada.
Heights will begin to fall over the NE Pac resulting in downstream
amplification Wed-Sat...with a ridge/subtropical high evolving over
the Wrn USA and a trof in the E.

Spaghetti plots of the last 2 runs of GFS/EC are tightly clustered
with each other and their respective ensemble means.

Surface: Nrn Plns high pres will build into the Cntrl Plns Sun and
then gradually slip to the E Mon-Tue. The trof moving across Canada
will drive a cool front across the Nrn 2/3 of the CONUS. Return flow
will develop here Mon with the front arriving Wed. The front will
cont sinking S into the Srn Plns Thu-Fri...with Nrn Plns high pres
building in.

Sensible wx details...

Rain: Typical of summer...chances are very very low thru Tue...and
any limited tstm activity will be very spotty. There is very little
to force tstm development...except on the smaller end of the
mesoscale...and predictability with such small features is
impossible beyond day 1. Most places will cont dry.

The best chance for sct tstms will be Wed over S-cntrl Neb and Thu
over N-cntrl KS. Svr tstms will be possible given the magnitude of
the instability...but shear will be limited.

Temps: averaging a little above normal (low-mid 90s by day and 60s
to near 70 at night).

&&

.AVIATION...(For the 06Z KGRI/KEAR TAFS through 06Z Sunday)
Issued at 1230 AM CDT Sun Jul 23 2017

VFR conditions to prevail. Winds will be light and variable
overnight becoming more northeasterly to easterly throughout the
day eventually southeasterly by evening.


&&

.GID WATCHES/WARNINGS/ADVISORIES...
NE...None.
KS...None.
&&

$$

SHORT TERM...Billings Wright
LONG TERM...Kelley
AVIATION...Billings Wright


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