Winter Weather Warnings / Watches / Advisories
Issued by NWS Riverton, WY

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WWUS45 KRIW 160656
WSWRIW

URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
1256 AM MDT Tue May 16 2017

...LATE SEASON WINTER STORM TO IMPACT THE NORTHERN MOUNTAINS
WEDNESDAY AND THURSDAY...

.A vigorous late season winter storm will begin to take shape
across the northern and central Rocky Mountain states tonight.
Copious amounts of moisture from the eastern Pacific will combine
with unseasonably cold temperatures to give significant areas of
snowfall across the northern mountains of Wyoming beginning
early Wednesday morning and continuing through the day on Thursday.

WYZ002-162200-
/O.NEW.KRIW.WS.A.0018.170517T1200Z-170518T1800Z/
Absaroka Mountains-
1256 AM MDT Tue May 16 2017

...WINTER STORM WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH
THURSDAY MORNING...

The National Weather Service in Riverton has issued a Winter
Storm Watch, which is in effect from Wednesday morning through
Thursday morning.

* TIMING...Moderate to heavy snowfall may increase rapidly across
  much of the Absaroka Mountains by early Wednesday
  morning...continuing through Thursday morning.

* TOTAL SNOW...10 to 20 inches in the mountains...heaviest across
  the northern Absarokas.

* MAIN IMPACT...Highways may become slick, slushy and snow
  covered, including Chief Joseph Highway. Visibility could be
  reduced to under one quarter mile at times in heavy snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A winter storm watch means there is a potential for significant
snow and/or blowing snow that may impact travel. Continue to
monitor the latest forecasts.

&&

$$

WYZ008-009-162200-
/O.NEW.KRIW.WS.A.0018.170517T1200Z-170519T0000Z/
Bighorn Mountains West-Bighorn Mountains Southeast-
1256 AM MDT Tue May 16 2017

...WINTER STORM WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH
THURSDAY AFTERNOON...

The National Weather Service in Riverton has issued a Winter
Storm Watch, which is in effect from Wednesday morning through
Thursday afternoon.

* TIMING...Periods of moderate to heavy snow may increase through
  the day on Wednesday...continuing through the day Thursday.

* Snow Accumulation...10 to 22 inches across the northern Bighorn
  Mountains...6 to 12 over the southern portion of the mountains.

* MAIN IMPACT...Slushy to snow packed roads will make travel
  difficult on Powder River and especially Granite Mountain
  Passes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A winter storm watch means there is a potential for significant
snow and/or blowing snow that may impact travel. Continue to
monitor the latest forecasts.

&&

$$


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