Area Forecast Discussion
Issued by NWS North Platte, NE

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FXUS63 KLBF 240920

Area Forecast Discussion
National Weather Service North Platte NE
320 AM CST Wed Jan 24 2018

.SHORT TERM...(Today and tonight)
Issued at 317 AM CST Wed Jan 24 2018

H850mb temperatures warm about 5 degrees Celsius from 0C to 5C
today. Full sun and light west and southwest winds are expected and
the temperature forecast uses a blend of guidance plus bias
correction for highs in the lower to mid 40s. This is a slight mark
down from the straight guidance blend. The HRRR and RAP models
appeared to be too cool keeping highs mostly in the 30s which is
actually a cooler forecast than yesterday.

A blend of bias corrected guidance was the basis for lows tonight
ranging from near 10F in the Platte valley to lower 20s across the
sandhills and northern Neb. Light winds and clear skies continue and
h850mb temperatures rise another 5-7C to around 12C by Thursday

.LONG TERM...(Thursday through Tuesday)
Issued at 317 AM CST Wed Jan 24 2018

A quiet weather pattern will continue through much of the extended
period. A strong upper level ridge will remain over the western and
central US through early next week. As a result, surface high
pressure will remain over the central Plains keeping weather dry and
mild. Temperatures will rise into the upper 40s and low 50s Thursday
and Friday. A upper level trough will move across the northern
Plains this weekend. While precipitation will remain well north of
north central Nebraska, a brief cool down should be expected. High
temperatures on both Saturday and Sunday will range from the mid 30s
to the low 40s. An upper level ridge builds back into the central
Plains for early next week. Increased warm air advection across the
region will allow temperatures to rise back into the mid 40s to low
50s for the start of next week.


.AVIATION...(For the 06Z TAFS through 06Z Wednesday night)
Issued at 1120 PM CST Tue Jan 23 2018

Visual flight rules over western Nebraska tonight and Wednesday
with a few high clouds and westerly winds around 10kt or less.




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