Full Notification

...POTENTIAL FOR SIGNIFICANT SNOWFALL THURSDAY NIGHT THROUGH SATURDAY MORNING FOR WESTERN WYOMING... .A STRONG WEST FLOW OFF OF THE PACIFIC WILL DRAW ABUNDANT PACIFIC MOISTURE INTO WESTERN WYOMING THURSDAY NIGHT THROUGH SATURDAY MORNING WHICH IS EXPECTED TO RESULT IN ANOTHER SIGNIFICANT SNOWFALL FOR WESTERN WYOMING ALONG WITH STRONG WINDS PRODUCING BLOWING AND DRIFTING SNOW...ESPECIALLY ON THE MOUNTAIN PASSES. ...WINTER STORM WARNING IN EFFECT FROM 3 PM THIS AFTERNOON TO NOON MST SATURDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER STORM WARNING FOR YELLOWSTONE NATIONAL PARK...WHICH IS IN EFFECT FROM 3 PM THIS AFTERNOON TO NOON MST SATURDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT.

* TIMING...SNOW WILL LIKELY BEGIN BY LATE THIS AFTERNOON. SNOWFALL WILL BECOME HEAVY AT TIMES TONIGHT AND WILL LIKELY CONTINUE THROUGH SATURDAY MORNING. THERE WILL LIKELY BE ONE FINAL BURST OF SNOWFALL AROUND MID DAY SATURDAY. SNOWFALL WILL DECREASE TO SNOW SHOWERS SATURDAY AFTERNOON.

* TOTAL SNOWFALL...3 TO 6 INCHES IN THE NORTHERN PORTION OF THE PARK AROUND MAMMOTH... 6 TO 10 INCHES IN THE CENTRAL PORTION OF THE PARK AND UP TO 15 TO 25 INCHES EXPECTED OVER THE SOUTHWEST PORTION OF THE PARK.

* WIND AND VISIBILITY...WEST WINDS OF 15 TO 30 MPH WITH GUSTS TO 40 MPH WILL RESULT IN BLOWING AND DRIFTING SNOW ALONG WITH LOWERED VISIBILITY DOWN TO ONE QUARTER OF A MILE.

* IMPACTS...ROADS MAY BECOME SLICK AND SNOW PACKED WITH LIMITED VISIBILITY AT TIMES. PEOPLE PLANNING OUTDOOR ACTIVITIES SHOULD BE PREPARED FOR ADVERSE WINTER WEATHER CONDITIONS AND TAKE THE PROPER PRECAUTIONS.

* AFFECTED AREAS: YELLOWSTONE NATIONAL PARK

Instructions:

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW, AND OR BLOWING SNOW ARE EXPECTED OR OCCURRING. THIS COULD MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. IF YOU MUST TRAVEL KEEP SOME FOOD, WATER, AND AN EXTRA FLASHLIGHT IN YOUR VEHICLE IN CASE OF AN EMERGENCY. CHECK THE LATEST ROAD CONDITIONS AT WYOROAD.INFO OR BY DIALING 5 1 1.