Area Forecast Discussion
Issued by NWS North Platte, NE

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FXUS63 KLBF 272320
AFDLBF

Area Forecast Discussion
National Weather Service North Platte NE
620 PM CDT Sat May 27 2017

.SYNOPSIS...
Issued at 319 PM CDT Sat May 27 2017

At H5 ridge over the western CONUS and closed low over south
central Canada with trough into Great Basin. Weak high over the
eastern Gulf placing southern CONUS in southwest to northeast zonal
flow.

&&

.SHORT TERM...(This evening through Sunday)
Issued at 319 PM CDT Sat May 27 2017

Showers over western Nebraska due to 700mb forcing and will move
slowly east through the afternoon. Cold air aloft and cloud cover
with temperatures falling through the afternoon. Upper trough will
move through over night with clearing skies moving in from the west
and precipitation ended. Have kept sprinkles into 3z tonight based
on HRRR. Light west winds will help keep temperatures up somewhat
but temperatures similar to last nights. Have gone with cooler
guidance with lows ranging from 40 to 50 west to east across the
forecast area. Sunday will see dry conditions with highs ranging
from the upper 60s northwest to the mid 70s south and breezy
northwest winds increasing through the afternoon.

.LONG TERM...(Sunday night through Saturday)
Issued at 319 PM CDT Sat May 27 2017

Forecast area will remain under the influence of the upper low
over southern Canada through mid week as it drifts slowly east
into southwest Canada. Height falls to continue over the northern
plains with backdoor cool fronts and north to northwest flow and
weak waves moving through the flow providing impetus for afternoon
and evening thunderstorms. Temperatures on the rise after mid
week with increasing chances for precipitation Thursday and Friday
as an upper system moves across the southern plains under the
ridge.

&&

.AVIATION...(For the 00Z TAFS through 00Z Sunday evening)
Issued at 611 PM CDT Sat May 27 2017

Local radar shows isolated light rain showers present from the
eastern NEB Panhandle into the Sandhills. Latest sfc plot and
satellite imagery shows VFR condition with ceilings between 6 kft
and 12 kft and clearing expanding southward from northwest NEB.
Showers are expected to taper off in the early evening with skies
clearing gradually across western and north central NEB this
evening. Meanwhile, winds will lessen this evening between 4 and 8
kts and become westerly. Mostly sunny skies will prevail
tomorrow. Winds will start increasing mid morning with gusts
peaking up to 25 MPH tomorrow, strongest over central NEB.

&&

.HYDROLOGY...
Issued at 319 PM CDT Sat May 27 2017

Lewellen on the North Platte River above McConaughy will remain in
bankfull state through the first of the week with rises into the
middle of next week. Have continued the river statement.

&&

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

$$

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



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