Area Forecast Discussion
Issued by NWS North Platte, NE

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FXUS63 KLBF 230448
AFDLBF

Area Forecast Discussion
National Weather Service North Platte NE
1148 PM CDT Fri Sep 22 2017

.SYNOPSIS...
Issued at 244 PM CDT Fri Sep 22 2017

Jose and Maria continue off the east coast with a ridge of high
pressure from east Texas to Great Lakes. Deep trough over the
western Conus.

&&

.SHORT TERM...(This evening through Saturday)
Issued at 244 PM CDT Fri Sep 22 2017

Models all in good agreement in near term forecast with line of cu
from Hayes Center to Oneill late this afternoon. This is expected
to be the focus for convection initiation. Dense cirrus streaming
north along this boundary limiting heating. We did exceed our
record high today of 93f by 1 degree 94f before the front moved
through at 315 pm cdt. Low 90s to the south of the front with 60s
70s and 80s to the north of the frontal boundary. Dry air being
entrained from the southwest where tds in the low 40s. Lows
tonight falling into the 40s and 50s with rain moving out of the
Panhandle late and moving east across western Nebraska through the
early morning. Highs on Saturday in the 40s northwest with most
areas seeing highs around 60 with some 70s to the south and east.
Areas of rain continuing as energy streams out of the trough to
the west and abundant moisture advection coming across southern
into central plains.

.LONG TERM...(Saturday night through Friday)
Issued at 244 PM CDT Fri Sep 22 2017
Areas of moderate to heavy rain expected Saturday night over
western Nebraska as better forcing comes through western Nebraska.
Lows in the 40s and 50s. Rain continues on Sunday again with
heavier amounts Sunday afternoon and evening along stalled out
boundary with highs only in the 50s and 60s. Rain begins to
lighten up Monday morning with partial  clearing from west to
east though the day as the rain ends and the upper trough shears
northeast. Lows Monday morning in the 40s to around 50 but may
have to be lowered over the northwest. Highs Monday firmly in the
50s with rain ending. Clearing Monday will make for a cold morning
on Tuesday with frost highlights possible over the western
Sandhills. Dry Tuesday through Thursday with temperatures
returning to the 70s and more seasonable.

&&

.AVIATION...(For the 06Z TAFS through 06Z Saturday night)
Issued at 1148 PM CDT Fri Sep 22 2017

Local radar display shows showers and thunderstorms blossoming
across west central NEB and the western-third of the Sandhills,
elsewhere isolated to scattered thunderstorms are present across
in north central NEB. Hazards include cloud to ground lightning
and wind gusts up to 30 MPH. A strong thunderstorm cannot be ruled
out tonight. Otherwise, latest surface plot shows a surface front
that lies roughly near Imperial to Broken Bow to near Albion,
breezy winds continue north and south of the front.

Current thinking is showers/thunderstorms will continue to blossom
now into the small hours across the western and central Sandhills
on north. Else, LLWS conditions will continue over parts of
southwest NEB tonight attributable to a strong low-level jet.
Mention of LLWS continues in the KLBF TAF. Think a reprieve of
sorts will occur across portions of western NEB in the morning
hours, with precip then more isolated. This will be followed by
likely rain showers in the afternoon then widespread showers then
tomorrow evening. Otherwise, thunderstorms can be expected
across portions of the southwest half of the local forecast area
tomorrow.

&&

.HYDROLOGY...
Issued at 244 PM CDT Fri Sep 22 2017

High water will continue on the North Platte River at Lewellen.

&&

.LBF WATCHES/WARNINGS/ADVISORIES...
None.
&&

$$

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


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