Area Forecast Discussion
Issued by NWS Hastings, NE

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FXUS63 KGID 161220
AFDGID

Area Forecast Discussion
National Weather Service Hastings NE
620 AM CST Tue Jan 16 2018

.SHORT TERM...(Today and tonight)
Issued at 340 AM CST Tue Jan 16 2018

Some patchy low level stratus has worked its way across much of
our Nebraska counties overnight. While this cloud cover has helped
to keep overnight low temperatures elevated a couple of degrees
from their true potential...temperatures remain plenty cold and
winds plenty strong to justify the current wind chill headlines we
have in place.

For today...expect mostly sunny skies to return by late morning
as arctic air remains in place across the region. As a
result...expect high temperatures to struggle to climb out of the
teens in many spots...remaining 15 to 25 degrees below seasonal
norms. These below normal temperatures will continue into
tonight...as clear skies are anticipated across the region.
Winds...however...should be shifting and becoming more westerly
late in the day...and these light westerly winds overnight should
help keep overnight lows near or just above zero as we head
towards Wednesday morning. Because of the light nature of the
winds...wind chills tonight should be less of a concern...although
they will still be frigid...with widespread wind chills of minus
10 to minus 20 anticipated across the local area overnight. While
these values may not technically meet advisory criteria...they are
plenty cold to keep a mention in the morning HWO.

.LONG TERM...(Wednesday through Monday)
Issued at 340 AM CST Tue Jan 16 2018

The cold trough of low pressure across the plains is expected to
shift east on Wednesday with high pressure nudging in from the
west. This should mark an end to the frigid temperatures across
the region...with mostly sunny skies and increasing heights aloft
resulting in temperatures returning to near seasonal norms
Wednesday afternoon. The better news is that as high pressure
amplifies across the area Thursday and Friday...is that
temperatures should begin to climb well above normal as well...with
some models indicating the possibility of well above normal
temperatures (near 60 across the tri-cities) by Friday afternoon.
While this will be somewhat dependent on how much...if any...snow
cover remains...it will be a nice change from the well below
normal temperatures of late. While the official forecast is not
quite as warm as these more optimistic models...would not be
surprised to see blended temperatures continue to rise as we
approach the end of the week as the trend the past few mornings
has been for warmer temperatures to end the work week.

Later towards the weekend...expect an area of low pressure moving
on-shore across the west coast to emerge into the plains late
Saturday through Sunday...bringing another shot of precipitation
to the local area. While there is still plenty of uncertainty with
the track and amount of moisture with this storm...there
definitely appears to be the opportunity for some accumulating
snowfall accompanied by strong winds late in the weekend. While
precipitation chances and amounts are still very much in question
with this next storm system...it should at a minimum result in a
return to more normal temperatures to start next week after the
well above normal temperatures forecast to finish out this week.

&&

.AVIATION...(For the 12Z KGRI/KEAR TAFS through 12Z Wednesday)
Issued at 616 AM CST Tue Jan 16 2018

Low level stratus continues to linger over KGRI this morning and
is slowly trying to work its way to KEAR. Continue to think this
stratus will break up by mid-morning...with prevailing VFR
conditions anticipated after 15Z. Northwesterly winds will also
slowly diminish through the afternoon hours...eventually becoming
light and variable before shifting and becoming westerly this
evening.

&&

.GID WATCHES/WARNINGS/ADVISORIES...
NE...Wind Chill Advisory until noon CST today for NEZ041-046>049-
     060>064-072>077-082>087.

     Wind Chill Warning until noon CST today for NEZ039-040.

KS...Wind Chill Advisory until noon CST today for KSZ005>007-017>019.

&&

$$

SHORT TERM...Rossi
LONG TERM...Rossi
AVIATION...Rossi


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