Area Forecast Discussion
Issued by NWS North Platte, NE

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753
FXUS63 KLBF 282348
AFDLBF

Area Forecast Discussion
National Weather Service North Platte NE
648 PM CDT Sun May 28 2017

.SYNOPSIS...
Issued at 320 PM CDT Sun May 28 2017

At H5 upper closed low over northern Minnesota has moved little over
past 24 hours. Sharp ridge over the western CONUS placing northern
plains in fast northwest flow. Ridging over the northeast CONUS.
Mainly zonal pattern from Desert Southwest across southern plains
into the southeast CONUS.

&&

.SHORT TERM...(This evening through Monday)
Issued at 320 PM CDT Sun May 28 2017

 Weak impulses moving through northwest flow around the backside of
the upper low over northern Minnesota. The timing and extent of
these waves will be main forecast challenge over the next couple of
days. Ceilings AOA 9k ft with limited low level moisture. Heating of
the day and cooler temperatures aloft will destabilize atmosphere
enough for a few storms this afternoon and a backdoor cold front
moves through the flow some storms to continue through the over
night hours. Will continue to carry isolated mainly northwest this
evening and then spreading south through the early morning hours and
transitioning to rainshowers after midnight. Lows tonight in the
40s. Mostly sunny on Memorial Day with fast northwest flow
continuing and temperatures in the 60s north and 70s south.

.LONG TERM...(Monday night through Sunday)
Issued at 320 PM CDT Sun May 28 2017

Upper low shifts slowly east through Tuesday as another backdoor
front moves south across the northern plains. This one comes
through dry. Ridge to the west begins to build into the northern
plains with highs around 70 north and the mid 70s south. Gulf
begins to open up Tuesday night with moisture advection across the
southern into the central plains. Dew points over western
Nebraska return into the mid 50s Wednesday with a stationary
boundary to the southwest returning northeast through the day as a
warm front with thunderstorms in the forecast though the
afternoon and evening. Another system will move out of northwest
flow across the Dakotas and Nebraska Friday afternoon into
Saturday. Highs around 80 Thursday through Sunday with chances for
precipitation.

&&

.AVIATION...(For the 00Z TAFS through 00Z Monday evening)
Issued at 640 PM CDT Sun May 28 2017

Scattered high-based showers and isolated thunderstorms have
developed across portions of western NEB with high-end VFR
ceilings (greater than 7 kft) present. Showers/thunderstorms are
expected to taper off with the loss of daytime heating mid
evening. Winds will lessen this evening as well and should stay
under 8 kts overnight. Tomorrow, no showers/thunder expected with
mostly sunny skies. Winds will increase again tomorrow. Peak wind
gusts approaching 30 MPH in far north central NEB, elsewhere winds
will be less with winds under 15 MPH across southwest NEB.

&&

.HYDROLOGY...
Issued at 320 PM CDT Sun May 28 2017

North Platte River at Lewellen will continue bankfull and will rise
to near flood late in the week. Will continue a river statement to
keep people in the vicinity aware of high river levels.

&&

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

$$

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



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