Special Weather Statement
Issued by NWS Riverton, WY

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Special Weather Statement
National Weather Service Riverton WY
1138 AM MDT Thu Apr 19 2018

WYZ028>030-200900-
Rock Springs and Green River-Flaming Gorge-East Sweetwater County-
Including the cities of Rock Springs, Green River, and Wamsutter
1138 AM MDT Thu Apr 19 2018

An approaching storm system tonight will increase the chances of a
cold rain changing to snow Friday morning. The potential for snow
will continue during the day Friday. Temperatures are just barely
cold enough for snow and snow accumulation will be very elevation
dependent. The higher elevations across Sweetwater County could
see 3 to 6 inches of snow on Friday while some areas see just a
rain snow mixture or brief period of snow with light accumulation
on the grass. A gusty northeast wind of 20 to 35 mph will also
accompany the snow. Interstate 80 will likely stay wet most of the
time but there could be a brief period of slush during any period
of heavier snow showers. The system will exit Friday night with a
dry and warmer weekend in store.

$$

WYZ019-200900-
Green Mountains and Rattlesnake Range-
Including the city of Jeffrey City
1138 AM MDT Thu Apr 19 2018

An approaching storm system tonight will increase the chances of a
cold rain changing to snow Friday morning. The potential for snow
will continue during the day Friday. Temperatures are just barely
cold enough for snow and snow accumulation will be very elevation
dependent. The higher elevations across the area could see 2 to 4
inches of snow on Friday while some areas see just a rain snow
mixture or brief period of snow with light accumulation on the
grass and brush. A gusty northeast wind of 20 to 35 mph will also
accompany the snow. Area highways will likely stay wet most of
the time but there could be a brief period of slush during any
period of heavier snow showers. The system will exit Friday night
with a dry and warmer weekend in store.

$$

WYZ017-018-200900-
Wind River Basin-Lander Foothills-
Including the cities of Riverton, Shoshoni, and Lander
1138 AM MDT Thu Apr 19 2018

An approaching storm system tonight will increase the chances of a
cold rain changing to snow Friday morning above 5500 to 6000 feet.
The potential for snow will be mainly in the morning Friday. Temperatures
are just barely cold enough for snow and snow accumulation will
be very elevation dependent. The higher elevations across the area
could see an inch or two of snow Friday morning while some areas
see just a rain or a rain snow mixture. A gusty northeast wind of
20 to 30 mph will also be present Friday. Area highways will
likely stay wet most of the time. The system will exit Friday
night with a dry and warmer weekend in store.

$$

WYZ014-015-200900-
Wind River Mountains West-Wind River Mountains East-
1138 AM MDT Thu Apr 19 2018

An approaching storm system tonight will increase the chances of a
snow across the Wind River Mountains by Friday morning with snow
through the day. Snowfall amounts 3 to 6 inches are possible
during the day Friday. A strong northeast wind of 30 to 45 mph
across pass may restrict visibility at times and South Pass could
become slushy at times during periods of heavier snow showers.
The system will exit Friday night with a dry and warmer weekend in
store.

$$

WYZ020-022-200900-
Natrona County Lower Elevations-Casper Mountain-
Including the city of Casper
1138 AM MDT Thu Apr 19 2018

An approaching storm system tonight will increase the chances of a
cold rain across the lower elevations during the day Friday with a
brief rain snow mixture possible Friday evening before ending. The
higher elevations above 7000 feet may see accumulating snowfall on
Friday with the snow level lowering to near 5000 to 5500 feet
Friday evening. Casper Mountain could see 3 to 6 inches of snow
Friday into Friday evening. Casper will see a good chance of rain
Friday with some rain snow mix possible Friday evening. The higher
elevations west of Casper above 6000 feet could see some rain snow
mix during the day Friday. Roads will be mostly wet across the
lower elevations with some slush possible on the higher spots of
Casper Mountain. The system will exit later Friday night with a
dry and warmer weekend in store.

$$

Skrbac


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