Text Products for AFD Issued by SLC

Area Forecast Discussion
Issued by NWS Salt Lake City, UT
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FXUS65 KSLC 162149
AFDSLC

Area Forecast Discussion
National Weather Service Salt Lake City UT
349 PM MDT Tue Apr 16 2024

.SYNOPSIS...A weak cold front will bring light northern mountain
snow Wednesday. The front will nearly stall and eventually exit
Friday. Further south, dry conditions and warmer than normal
temperatures are likely through the week.

&&

.SHORT TERM (Through 12Z Thursday)...A ridge axis is oriented
southwest to northeast across southwest Wyoming and Utah, which
has brought clearing conditions through the day after morning
clouds and mountain snow showers. A longwave trough in the PacNW
will dig slightly south, but mainly track east near the U.S. and
Canada border. A relatively dry cold front will push into
southwest Wyoming and northern Utah early Wednesday. With weak
forcing and limited moisture, the most precipitation will be for
mountain locations near the Idaho border with upslope enhancement
from the west to northwest. Accumulation of 1-4 inches is likely
for places within the Bear River Range. For the Wasatch Mountains,
a trace-2 inches is likely, with the higher values in the upper
Cottonwoods. Precipitation will taper off through the afternoon as
dynamic support for the boundary diminishes as the trough tracks
east.

Weak cold air advection with the boundary will lower temperatures
throughout southwest Wyoming and northern Utah to slightly cooler
than normal. The front won`t reach southern Utah Wednesday, with
dry conditions and temperatures around 10F warmer than normal.

.LONG TERM (After 12Z Thursday)...Zonal flow will keep conditions
mostly dry across the CWA with warming temperatures throughout
the week. A weak shortwave Friday/Saturday will introduce the only
precipitation chances throughout the longterm period. However,
these chances will likely be confined to the high terrain of
central Utah where PoPs still struggle to get to 20%. By early
next week, a shortwave ridge will move into the Great Basin which
will aid in warming temperatures ~15 degrees above normal.
Temperatures will be approaching the upper 70s to low 80s across
valleys of central and northern Utah with lower Washington county
eclipsing the 90 degree mark.

&&

.AVIATION...KSLC...Northwesterly flow will transition to light,
southeasterly flow around 01-02z, likely becoming light and
variable during the transition. Northerly flow will return along a
weak boundary around 13z...or as early as 12z and as late as 15z.
Mostly clear skies and VFR conditions will continue.

.REST OF UTAH AND SOUTHWEST WYOMING...VFR conditions will continue.
A weak boundary will push into northern UT and southwest WY starting
around 11z, producing a transition to northerly winds for areas
including and north of KDTA and west of the central spine of Utah
mountains. At other locations, westerly winds will increase after
roughly 18z, gusting to around 20-25kts.

&&

.SLC WATCHES/WARNINGS/ADVISORIES...
UT...None.
WY...None.

&&

$$

SHORT TERM...Wilson
LONG TERM...Mahan
AVIATION...Cunningham

For more information from NOAA`s National Weather Service visit...
http://weather.gov/saltlakecity
National Weather Service Weather Forecast Office
