Area Forecast Discussion
Issued by NWS Grand Junction, CO

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FXUS65 KGJT 250555
AFDGJT

Area Forecast Discussion
National Weather Service GRAND JUNCTION CO
1155 PM MDT Sun Sep 24 2017

.SHORT TERM...(Tonight through Monday night)
Issued at 321 PM MDT Sun Sep 24 2017

The closed low over northern Utah will eject northeast across
Wyoming on Monday and onto the Northern Plains by Monday night.
Snowfall over the Uinta mountains will diminish overnight with
light additional accumulations expected this evening. The winter
weather advisory will continue through midnight. With clearing
skies, valley locations will cool with a freeze warning continuing
over many of the interior valleys of western Colorado. Patchy fog
was also added overnight into Monday morning in valley locations.
Mostly sunny skies and seasonably cool temperatures are expected
on Monday with cool temperatures expected again Monday night.

.LONG TERM...(Tuesday through Sunday)
Issued at 321 PM MDT Sun Sep 24 2017

A ridge of high pressure will be anchored over the western US
through most of the workweek. However, a closed low will drop
into the southern Great Basin on Tuesday with an increasing
southerly moist flow developing over the forecast area associated
with this system. This storm system will slowly move to a
position near the Four Corners on Thursday before weakening
and lingering over the region through the weekend. There is a lot
of uncertainty with the track and strength of this system. The
best focus will be across southern UT/CO on Wednesday with
moisture spreading north and including central sections later
Wednesday into Friday. Snow levels are forecasted to remain above
10,000 feet across mountain locations at this time. Shower
activity is expected to linger across the south into the weekend.

&&

.AVIATION...(For the 06Z TAFS through 06Z Monday night)
Issued at 1155 PM MDT Sun Sep 24 2017

Clearing behind this system will leave lighter winds in place
along with mainly clear skies. Some cloudiness will remain over
the northeast Utah mountains where terrain obscuration is possible
through sunrise. Otherwise VFR conditions will prevail over the
next 24 hours.

&&

.GJT WATCHES/WARNINGS/ADVISORIES...
CO...Freeze Warning until 9 AM MDT Monday for COZ002-005-007-008-
     021>023.

UT...Winter Weather Advisory until midnight MDT tonight for UTZ023.

&&

$$

SHORT TERM...MPM
LONG TERM...MPM
AVIATION...TGJT


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