Area Forecast Discussion
Issued by NWS Salt Lake City, UT

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FXUS65 KSLC 250534

Area Forecast Discussion
National Weather Service Salt Lake City UT
1034 PM MST Fri Feb 24 2017

.SYNOPSIS...High pressure tonight will give way to a weak weather
system which is expected to cross the area from north to south
Saturday. Yet another cold storm on tap for the first part of
next week.


.DISCUSSION...A longwave trough encompasses much of the central
and western CONUS this evening. The forecast area remains between
two primary shortwave troughs...the first feature kicking out
across the middle Mississippi River Valley/Upper Midwest, and an
upstream wave digging along the west coast. This is inducing low
amplitude shortwave ridging over the forecast area, which is by
and large allowing skies to clear and temperatures to drop this
evening. A few showers continue to meander over/near the GSL and
this may continue into the overnight hours. As the upstream wave
continues south along the coast, the positively tilted mid level
trough axis is forecast to dig across the area during the day
Saturday bringing an increase in showers Saturday afternoon across
the north, then across southern Utah Saturday evening. Will
update to remove evening wording and adjust sky/PoP grids based on
current satellite radar trends.


.AVIATION...VFR conditions will prevail at the SLC terminal through
the TAF period. Winds are expected to remain from the southeast
throughout the overnight hours.





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