Special Weather Statement
Issued by NWS Riverton, WY

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Special Weather Statement
National Weather Service Riverton WY
228 PM MDT Mon May 20 2019

WYZ010-211300-
Northeast Johnson County-
Including the city of Buffalo
228 PM MDT Mon May 20 2019

...Wintry Weather And Gusty Wind Expected Tuesday Night and
Wednesday Morning...

Colder air will push south into Johnson County Tuesday afternoon
allowing for widespread snow to develop by Tuesday evening. Snow
accumulations are expected along with a cold north wind.

* WHAT...Snowfall of 2 to 4 inches, mainly on grassy surfaces.
  North wind 20 to 35 mph with occasional gusts around 40 mph.

* WHERE...Buffalo and I-90 through Johnson County.

* WHEN...Tuesday night and Wednesday morning.

* ADDITIONAL DETAILS...The combination of snow and wind is likely
  to cause limited visibility Tuesday night for travelers on I-90
  and portions of I-25.

$$

WYZ011-211300-
Southeast Johnson County-
Including the city of Kaycee
228 PM MDT Mon May 20 2019

...Wintry Weather And Gusty Wind Expected Tuesday Night and
Wednesday Morning..

Colder air will push south into Johnson County Tuesday afternoon
allowing for rain to change to snow. Snow accumulations are
expected along with a cold north wind.

* WHAT...Snowfall of 2 to 4 inches, mainly on grassy surfaces.
  North wind 15 to 30 mph.

* WHERE...Kaycee and surrounding communities along with I-25
  through southern Johnson County.

* WHEN...Tuesday night and Wednesday morning.

* ADDITIONAL DETAILS...Visibility will be limited on I-25 during
  the nighttime hours Tuesday due to the combination of snow and
  wind.

$$

WYZ020-211300-
Natrona County Lower Elevations-
Including the city of Casper
228 PM MDT Mon May 20 2019

...Wintry Weather to Return Early Tuesday Morning Through
Wednesday Morning...

Precipitation is expected to spread across Natrona County early
Tuesday morning and continue through at least Wednesday morning.
Snow accumulation is possible again by sunrise Tuesday. Little
additional snow accumulation is expected during the day Tuesday,
before colder air pushes south late in the day. This will allow
for more snow to accumulate Tuesday night and Wednesday morning.

* WHAT...Snow. Accumulations 1 to 2 inches possible Monday night.
  Tuesday night accumulations of 1 to 3 inches expected.

* WHERE...Casper and the lower elevations of Natrona County.

* WHEN...Monday night and again Tuesday night.

* ADDITIONAL DETAILS...Snow accumulations are likely to be a
  little higher each night along US 20/26 west of Casper between
  Powder River and Hiland.

$$

WYZ019-211300-
Green Mountains and Rattlesnake Range-
Including the city of Jeffrey City
228 PM MDT Mon May 20 2019

...Wintry Weather to Return Early Tuesday Morning Through
Wednesday Morning...

Precipitation is expected to spread across the Green Mountains and
Rattlesnake Range early Tuesday morning and continue through at
least Wednesday morning. Snow accumulation is possible again by
sunrise Tuesday. Snow will be slow to accumulate Tuesday afternoon
as temperatures warm slightly. Colder air will push into the area
by Tuesday evening allowing for more snow to accumulate Tuesday
night and Wednesday morning.

* WHAT...Snow. Accumulations 1 to 2 inches possible Monday night.
  Tuesday night accumulations of 2 to 3 inches expected.

* WHERE...Jeffrey City and the US 287 corridor from near Muddy
  Gap to around Beaver Rim.

* WHEN...Monday night and again Tuesday night.

* ADDITIONAL DETAILS...Snow accumulations in the higher terrain of
  the Green Mountains and Rattlesnake Range will be about double
  that of Jeffrey City.

$$


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