Area Forecast Discussion
Issued by NWS Hastings, NE

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000
FXUS63 KGID 200841
AFDGID

Area Forecast Discussion
National Weather Service Hastings NE
341 AM CDT Sun May 20 2018

.SHORT TERM...(Today and tonight)
Issued at 332 AM CDT Sun May 20 2018

Look for one more cool day before a warmup this coming week.

A weakening upper wave tracking across Nebraska toward Minnesota
continued to generate light rain showers/drizzle during the
predawn hours, but this activity has begun to weaken and will
continue to diminish today as the system lifts out. Even as the
precip ends the low cloud cover will hold firm, holding temperatures
in the 60s for daytime highs.

Surface high pressure settles across central/eastern Nebraska/Kansas
tonight and models suggest some potential for fog development along
the ridge axis. Have not included in the forecast yet as
probabilities are not high for dense fog, but will need to monitor
trends.

.LONG TERM...(Monday through Saturday)
Issued at 332 AM CDT Sun May 20 2018

After the cool weekend, temperatures will be on the upswing this
upcoming week. Monday will be the transition day behind the
departing system with height rises aloft and low level return flow
on the back side of the surface ridge axis. Temperatures favor near
seasonal readings in the mid/upper 70s.

Much of the week will feature southwest flow aloft across the
Central Plains as a closed upper low pressure system lifts across
the Rockies to the Northern Plains by the end of the week. The
combination of warm air advection and disturbances lifting out of
the base of the trough will bring intermittent chances for showers
and thunderstorms, but the week in general looks to be more dry
than wet. The pattern transitions to northwest flow by the weekend
as the system in Northern Plains translates towards the Great
Lakes and ridging builds over the Rockies/High Plains ahead of
another upper low reaching the west coast. Current model trends
indicate a mainly dry and warm Memorial Day weekend as the upper
ridge axis builds onto the plains.

Temperaturewise, readings are forecast to average in the 80s for
highs Tuesday through Saturday.

&&

.AVIATION...(For the 06Z KGRI/KEAR TAFS through 06Z Monday)
Issued at 1204 AM CDT Sun May 20 2018

An area of rain showers will impact the terminals at the onset of
the TAF period, then rain will be intermittent through the morning
before ending. Low cloud cover primarily at IFR levels are
expected to hold firm through the day before ceilings gradually
increase in the evening.


&&

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

$$

SHORT TERM...Fay
LONG TERM...Fay
AVIATION...Fay



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