Area Forecast Discussion
Issued by NWS North Platte, NE

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000
FXUS63 KLBF 240050
AFDLBF

Area Forecast Discussion
National Weather Service North Platte NE
650 PM CST Thu Feb 23 2017

.SYNOPSIS...
Issued at 455 PM CST Thu Feb 23 2017

At H5 Upper closed low over eastern Wyoming with winter storm over
northern plains. Closed low off florida coast and closed low over
the southern Hudson Bay with storm moving across Northeast CONUS.

&&

.Forecast...(This evening through Thursday)
Issued at 455 PM CST Thu Feb 23 2017

Widespread to heavy snow continues over all of warned area. Nam is
performing fairly well and have used a blend with GFS for the
forecast. Had some reports over southwest Nebraska of freezing
precipitation early this afternoon but threat has diminished. Have
continued highlights tonight through Friday. Upper low over
eastern Wyoming with energy rotating to the northeast across
western Nebraska. Enhanced area of mid level forcing from
Valentine back towards Alliance with one to two inch per hour
snowfall rates. Continued definite snow over night with
diminishing snow and pops through the day on Friday. Some
indications of negative epv to the east with some convectively
enhanced echoes over central Nebraska. Highs Friday in the 20s
with diminishing snow and increasing north winds as skies begin to
clear form north to south and west to east. Highs in the 30s and
40s through Wednesday and basically dry.

&&

.AVIATION...(For the 00Z TAFS through 00Z Friday evening)
Issued at 632 PM CST Thu Feb 23 2017

Poor aviation conditions continue across western and north
central NEB due to the winter storm. IFR-LIFR visibility and IFR-
MVFR ceilings currently prevail with periods of snow, heaviest
over north central NEB. Overnight, conditions are expected to
stay within IFR flight category most of the night. Northeast
winds with gusts to 30-35 mph will prevail as well, strongest
winds over north central NEB. The surface low lifts into the
extreme Upper Great Lakes tomorrow with snow diminishing mid
morning into the afternoon. Winds will begin to diminish in the
early afternoon across western NEB then they will begin to
diminish across north central NEB in the mid-late afternoon.
Improvements in visibility are expected to take place mid-late
morning, followed by improvements in ceilings in the afternoon.

&&

.LBF WATCHES/WARNINGS/ADVISORIES...
Winter Weather Advisory until 6 PM CST /5 PM MST/ Friday for
NEZ056>059.

Winter Storm Warning until 6 PM CST /5 PM MST/ Friday for
NEZ004>010-022>029-035>038-094.

&&

$$

SYNOPSIS...Power
SHORT TERM...Power
LONG TERM...Power
AVIATION...ET


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