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Area forecast discussion
National Weather Service North Platte NE
1143 PM CDT Mon may 29 2017

Synopsis...
issued at 328 PM CDT Mon may 29 2017

Closed upper low that has affected northern plains for the last
couple of days has moved east into western Great Lakes. The upper
low has pushed a cold front into the northern Gulf and northeastward
to Pennsylvania. Upper ridge over the western Continental U.S. Placing northern
plains in fast northwest flow.

&&

Short term...(this evening through tuesday)
issued at 328 PM CDT Mon may 29 2017

A cool front is south of the forecast area this morning lying across
northern Kansas. Near time forecast challenge will be low
temperatures Tuesday morning. Have backed off cooler temperatures
over the northwest. 850mb temps this morning were 9c and progged to
be 12c Tuesday morning. Will have clear skies again and less of a
westerly component but winds will be lighter. Have gone closer to
guidance. Boundary will be far enough south tonight to keep isolated
precip out of the forecast over southwest Nebraska. Upper ridge and
warmer air aloft pushes east on Tuesday. Highs in the 70s.

Long term...(tuesday night through monday)
issued at 328 PM CDT Mon may 29 2017

Warmer temperatures Tuesday night into Wednesday as upper closed low
over the Great Lakes moves north into the Hudson Bay allowing the
ridge to the west to move east into the northern plains. Winds shift
to the south Tuesday night into Wednesday with increased moisture
advection into the forecast area as dew points return into the 50s.
Warm front lifts to the northeast across the forecast area. Upper
wave moving across Southern Plains into the Central Plains and
surface trough dry line along the Kansas Colorado border into
southwest Nebraska continue thunderstorms over western Nebraska
Wednesday afternoon and evening. Warm frontal boundary lifting
northeast across western Nebraska with strong warm air advection.
Temperatures in the upper 80s and may have to be increased with
later forecasts. Cold front moves southeast across the forecast area
Friday into Saturday with increased chances for thunderstorms.
Saturday and Sunday cooler with upper trough moving through the
northern plains.

&&

Aviation...(for the 06z tafs through 06z Tuesday night)
issued at 1142 PM CDT Mon may 29 2017

Expect clear skies across western and north central Nebraska over
the next 24 hours. Winds will be light and variable at under 10
kts tonight and Tuesday evening. Winds Tuesday afternoon will be
from the northwest at around 10 kts.

&&

Hydrology...
issued at 328 PM CDT Mon may 29 2017

North Platte river at Lewellen continues bankfull conditions and
river statement continues. River approaches minor flooding late in
the week but signal has been adjusted last several days with timing.
Will continue statement and assess later in the week.

&&

Lbf watches/warnings/advisories...
none.
&&

$$

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