Area Forecast Discussion
Issued by NWS Salt Lake City, UT

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FXUS65 KSLC 231501

Area Forecast Discussion
National Weather Service Salt Lake City UT
901 AM MDT Sun Apr 23 2017

.SYNOPSIS...A series of progressively colder and energetic storm
systems will cross the region beginning today, and continuing
through the upcoming work week.


.DISCUSSION...High clouds have been a little thicker and more
widespread across central and southern Utah this morning. Have
increase sky cover for these areas for this morning. Satellite
imagery also showing cooling cloud tops across northeast Nevada
and far northwestern Utah this morning and this is indicative of
the approaching shortwave of maintaining its strength as it moves
east across Nevada. The NAM/GFS/HRRR all show a farther southern
extent to the instability associated with this short wave for this
evening into central Utah. Have updated to add slight chance of
showers and thunderstorms for the central mountains this evening.
The low levels are expected to remain dry so left showers out for
now for the central valleys but will revisit in afternoon package
to see if the Sevier and Sanpete Valleys need a mention.


.AVIATION...VFR conditions will persist at the SLC terminal through
the TAF period. South winds this morning will increase before 1700z
and will switch to the northwest about this time. Frontal passage is
expected to occur between 19z and 21z which should further enhance
the northwest winds. Limited precip is expected with this front.
Winds are then expected to switch back to the southeast after 03z.





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