Area Forecast Discussion
Issued by NWS Hastings, NE

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FXUS63 KGID 170541

Area Forecast Discussion
National Weather Service Hastings NE
1141 PM CST Tue Jan 16 2018

.SHORT TERM...(This evening through Wednesday)
Issued at 318 PM CST Tue Jan 16 2018

Satellite and observations show mainly clear skies across the area
this afternoon. Temperatures are slow to warm under the cold surface
high pressure system, but are warming more than yesterday.

The main concern for tonight remains the cold. The surface high will
move to the southeast, but expect temperatures to drop off this
evening and should bottom out around zero. With the surface high
moving through, there will be light and variable winds during the
evening, but as the high moves to the southeast, the winds will turn
to the south and increase toward morning. This will be when the
temperatures are the coldest. Wind chills will be -15 to -20 mainly
in the Nebraska portion of the area.

With the surface high to the southeast, there will be warm advection
starting late tonight into Wednesday. The temperatures should start
to warm up across the area.

.LONG TERM...(Wednesday night through Tuesday)
Issued at 318 PM CST Tue Jan 16 2018

The period Wednesday night through Friday will have a warming trend.
There is good warm advection, there should be sunshine and after a
day or two of warmer temperatures, the snow should be mostly gone.
Models are giving warm temperatures for Thursday and Friday, even
warmer than what we have in the forecast. Will have to see if the
warming trend is as strong as the models have.

Friday night there will be a cold front that moves through the
forecast area. On Saturday, an upper level low approaches the area.
The temperatures Saturday will be a little cooler than on Friday,
but still well above normal.

Starting Saturday night, precipitation should move into the forecast
area and spread across the area during the day Sunday, before moving
out of the area Sunday night. The next concern will be the
precipitation type. At this time, the cold air starts to move into
the area as the precipitation does during the night on Saturday
night. Expect most of the area to have snow, but as the surface
temperatures warm a little during the day on Sunday there could be a
mix or change to rain.

From Monday into Tuesday, temperatures will remain cooler, but not
as cold as the last few days. There is a weak upper level wave that
moves into the area Monday night into Tuesday, but there is only a
little precipitation with this system at this time.


.AVIATION...(For the 06Z KGRI/KEAR TAFS through 06Z Wednesday)
Issued at 1133 PM CST Tue Jan 16 2018

VFR conditions are expected through the period. Light southerly
winds generally less than 12 KTS and a few passing high level
clouds are all that are anticipated for the time being.




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