Area Forecast Discussion
Issued by NWS Cheyenne, WY

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550
FXUS65 KCYS 270536
AFDCYS

Area Forecast Discussion
National Weather Service Cheyenne WY
1136 PM MDT MON SEP 26 2016

.SHORT TERM...(This evening through Wednesday Night)
Issued at 215 PM MDT Mon Sep 26 2016

A warming trend will continue over the next few days as upper-level
ridging continues to build into the region. The potential for frost
will be lower tonight with thermal profiles generally promoting low
temperatures around 40 degrees, but low lying/sheltered areas could
drop to around 37 by sunrise tomorrow. Other than that, chances for
precipitation through the period will be virtually zero, along with
mostly clear skies. The models show H7 temperatures climbing to +10
deg C over much of the area by 00z Wed, so highs are still expected
to be in the 75-85 degree range east of the Laramie Range. A slight
cooldown will occur on Wednesday with a weak fropa, but temps still
generally in the 70s.

.LONG TERM...(Thursday through Sunday)
Issued at 215 PM MDT Mon Sep 26 2016

Midlvl ridge axis will shift eastward on Thurs/Fri with weak
southwesterly flow aloft across the region. Highs will be around
10 degrees above normal with 700mb temps of 7-10C. Winds will be
weak with the CAG-CPR gradient around 20-25 meters. Upper trough
along the Pacific Northwest coast will begin to move inland over
the weekend. Southwest winds will begin to increase across areas
to the west of the Laramie Range by Sunday. The overall pattern
through the weekend does not support POPs greater than 20 percent.
A better chance of precip could arrive by early next week as the
trough swings into Wyoming.

&&

.AVIATION...(For the 06Z TAFS through 06Z Tuesday night)
Issued at 1134 PM MDT Mon Sep 26 2016

No real concerns during this TAF issuance. Wind speeds will
generally be 10kts or less from the northwest, and VFR conditions
will be the rule.

&&

.FIRE WEATHER...
Issued at 215 PM MDT Mon Sep 26 2016

No major concerns with projected minimum RH values above 20 percent
through mid-week. It will be breezy at times, especially across the
typical wind corridors of southeast Wyoming, but overall conditions
will remain non-critical.

&&

.CYS Watches/Warnings/Advisories...
WY...None.
NE...None.
&&

$$

SHORT TERM...CLH
LONG TERM...ZF
AVIATION...REC
FIRE WEATHER...CLH



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