Area Forecast Discussion
Issued by NWS North Platte, NE

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FXUS63 KLBF 282023
AFDLBF

Area Forecast Discussion
National Weather Service North Platte NE
323 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 18Z TAFS through 18Z Monday afternoon)
Issued at 1229 PM CDT Sun May 28 2017

Convective clouds developing over western Nebraska this afternoon
AOA 7k ft. Could see some isolated thunderstorms this afternoon
especially over northwest Nebraska from KIEN to KTIF. Some
isolated thunderstorms will move south across western Nebraska
later this evening and have carried vcsh at both KVTN and KLBF
this evening. Winds becoming light northwest and mostly clear
skies through the early morning with northwest winds increasing
through the morning on Monday.


&&

.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...Power
HYDROLOGY...Power



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