Area Forecast Discussion
Issued by NWS Hastings, NE

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FXUS63 KGID 241939
AFDGID

Area Forecast Discussion
National Weather Service Hastings NE
239 PM CDT Mon Apr 24 2017

.SHORT TERM...(This evening through Tuesday)
Issued at 225 PM CDT Mon Apr 24 2017

Sprinkles have mostly cleared out of central Nebraska as of early
afternoon. The axis of strongest winds is gradually shifting to
the east and decreasing. A cold front is gradually making its way
through the region, which will serve to shift winds to the
northwest and eventually to the northeast this evening and
tonight.

Behind this front, expect vastly different weather tomorrow.
Precipitation chances return late tonight into early Tuesday
morning, aided by a slow-moving upper level wave and associated
upper-level jet streak. I have maintained a mention of thunder for
Tuesday morning. This potential is probably pretty low, but there
is some instability and SREF probabilities show ~10% chance for
thunder. Along with the rain, breezy north winds will accompany
high temperatures that struggle to reach the 50s. Overall,
tomorrow just won`t be a very nice day.

.LONG TERM...(Tuesday night through Monday)
Issued at 225 PM CDT Mon Apr 24 2017

This is a fairly active long-term forecast, but I will do my best
to keep it brief.

Precipitation is expected to gradually come to an end late Tuesday
night into Tuesday morning. Lows Wednesday night will dip into the
mid 30s across most of the area, but frost formation will be
difficult with stiff north winds and plenty of cloud cover.

That will be a different story on Thursday morning. Winds are
expected to go almost calm Wednesday night as surface high builds
in across the area. Low temperatures are expected to drop into
the low 30s for most of the area, making widespread frost likely.
Future shifts likely will need to consider frost/freeze
headlines, especially for northern and western parts of the
forecast area.

The next set of upper level waves are expected to impact the area
Thursday through Sunday. The first of which will pass through
Nebraska Thursday into Friday, while the next is forecast to drop
much farther to the south Saturday into Sunday. With both
systems, instability will be limited for central Nebraska and
north central Kansas, so I don`t have any mention of thunder in
the forecast at this time.

There is some concern with precipitation type, though. The latest
GFS is especially cold, and actually develops significant snow
from Lexington to Ord Friday night into Saturday morning. The
ECMWF isn`t as cold, so I kept all precipitation liquid through
this time period. I did continue a mix of rain/snow on Saturday
night into Sunday, as precipitation comes to an end and cold air
is advected in on the back side of the system.

&&

.AVIATION...(For the 18Z KGRI/KEAR TAFS through 18Z Tuesday afternoon)
Issued at 1216 PM CDT Mon Apr 24 2017

Scattered midlevel clouds have developed and will continue into
the early afternoon. There may be a sprinkle or two, but didn`t
include at the TAF sits due to the limited coverage and low
impact.

Winds are currently starting to shift southwesterly and
decreasing. Expect this trend to continue into the evening and
overnight as winds eventually shift to the north and northeast by
tomorrow morning. Chances for precipitation and likely MVFR sky
conditions return to the forecast for tomorrow morning into the
afternoon.

 &&

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


&&

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

$$

SHORT TERM...Mangels
LONG TERM...Mangels
AVIATION...Mangels


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