Area Forecast Discussion
Issued by NWS Hastings, NE

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530
FXUS63 KGID 110529
AFDGID

Area Forecast Discussion
National Weather Service Hastings NE
1129 PM CST Sat Dec 10 2016

.SHORT TERM...(This evening through Sunday)
Issued at 232 PM CST Sat Dec 10 2016

Lots of stratus will continue to advect across the local area over
the next 24 hours maintaining mostly cloudy skies across the
region. While a cold front is expected to make its way south
across Nebraska overnight...little more than a wind shift is
expected as the atmosphere will remain too dry aloft in order to
allow for any precipitation. While this could potentially result
in some light freezing drizzle across the local area based on NAM
soundings...the better potential for this is southeast of the
local area and decided not to introduce this to the forecast. In
addition...did maintain some light fog mention for the early
morning hours for the western third of our area as there remains a
small possibility in the pre-frontal trough just ahead of the
frontal passage...also hinted at by the NAM/SREF models.

Otherwise...dry and continued cool weather is expected across the
region to end the weekend tomorrow...with slightly cooler
afternoon temperatures behind the passing cold front along with
breezy northerly winds...which will make for another blustery
afternoon across the region.

.LONG TERM...(Sunday night through Saturday)
Issued at 232 PM CST Sat Dec 10 2016

A progressive primarily westerly flow pattern aloft is expected to
continue across the plains through much of next week. Expect
plenty of cloud cover along with intermittent chances for some
light snowfall as multiple upper level disturbances cross the
region. While there are off and on chances for light snowfall
beginning Tuesday night and continuing through the end of the
extended periods, the bigger story appears to be the arctic
airmass that will bring even more bitterly cold weather to the
region. At this time...it appears like Monday afternoon will be
the nicest day of the week as temperatures will likely "soar" into
the 40s across the local area ahead of the impending blast of cold
air. This will be in large part due to light westerly downslope
flow along with adiabatic compression ahead of the strong cold
front.

For Tuesday...expect the cold front to sink south across much of
Nebraska during the morning hours...meaning a return to high
temperatures only in the 20s for most locations by afternoon. This
will likely not be the coldest day of the period...however...as a
stronger shot of cold air is expect late in the extended
periods...with highs forecast for next Saturday possibly having
trouble even making it into the lower to middle teens across the
local area. In addition to the very cold air that will advect
across the region over the coming week...multiple upper level
disturbances will bring several chances for light snow...but even
so...models are hinting at only light accumulations as moisture
will be limiting. So despite the anticipated fast moving
pattern with several embedded disturbances...no significant
storms are forecast to impact the local area through the end of
next week.

&&

.AVIATION...(For the 06Z KGRI/KEAR TAFS through 06Z Sunday night)
Issued at 1125 PM CST Sat Dec 10 2016

Cloud heights are a challenge for the first part of the taf
period. Short term models suggest a corridor of low clouds may
develop for a few hours prior to daybreak ahead of an approaching
cold frontal boundary and again just behind the front until around
mid morning. Cloud heights are forecast to raise by mid day and
wind speeds will be on the increase from the northwest in good
mixing conditions with gusts around 25kts expected.

&&

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

&&

$$

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



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