Area Forecast Discussion
Issued by NWS North Platte, NE

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FXUS63 KLBF 180524

Area Forecast Discussion
National Weather Service North Platte NE
1124 PM CST Wed Jan 17 2018

.SHORT TERM...(This evening through Thursday)
Issued at 313 PM CST Wed Jan 17 2018

As surface pressure lowers across the northern plains, winds will
remain light west or southwest tonight and increase to around 10 mph
or so Thursday. These winds will continue to advect mild Pacific air
eastward across the central portions of the U.S. Guidance has highs
climbing into the 50s most areas Thursday, but still some lingering
snow cover in spots, and have kept these areas in the upper 40s.
Should see nearly full sunshine again Thursday, may see some
increase in high cirrus clouds late in the day, but overall will be
mainly sunny.

.LONG TERM...(Thursday night through Wednesday)
Issued at 313 PM CST Wed Jan 17 2018

Models in fair agreement today. GFS more aggressive with weekend
system and slightly faster than ECMWF. The main forecast focus will
be high temperatures on Friday and Saturday and then precipitation
chances for the weekend.

A strong wave drops across the Dakotas and tries to knock down the
ridge Thursday night but just high clouds for western Nebraska.
850mb temperatures from 12C to 14C on Thursday will rise to 14C to
16C on Friday. Snow cover already taking a hit this afternoon with
temperatures in the upper 20s to upper 30s and should erode even
further on Thursday. Thinking that remaining snow cover will have
little effect on highs on Friday. With temperatures at 57f aloft and
breezy downslope winds should have no problems with upper 50s to
around 60. Highs may have to be bumped up. A cold front moves across
western Nebraska late Friday afternoon into Saturday. Colder air
lagging through the day Saturday. Some mixed precipitation through
the day on Saturday generally to the northwest with diffluence aloft
as the upper low moves into the four corners area.  Big push begins
Sunday afternoon as the upper system moves into western Kansas.
Convection over the southern plains into the Missouri river valley
may rob us of moisture. Classic system with most of our weather
coming from deformation zone. Breezy through the day on Sunday and
winds may have to be bumped up further.


.AVIATION...(For the 06Z TAFS through 06Z Thursday night)
Issued at 1124 PM CST Wed Jan 17 2018

Mainly clear skies are expected over the next 24 hours across
western and north central Nebraska. Winds will be light from the
west at under 10 KTS through 06z Friday.




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