Full Notification

...A MAJOR WINTER STORM WILL IMPACT WESTERN WYOMING TODAY SPREADING ACROSS THE REST OF THE AREA ON FRIDAY... .A WARM FRONT WILL BRING AMPLE AMOUNTS OF MOISTURE ACROSS WESTERN WYOMING THIS AFTERNOON. THIS WILL RESULT IN STEADY SNOWFALL THROUGH FRIDAY...BEFORE AN ARCTIC FRONT MOVES OVER NORTHERN AND CENTRAL PORTIONS ON FRIDAY. PERIODS OF HEAVY WET SNOW WILL FALL IN THE MOUNTAINS...ESPECIALLY THE TETONS. STRONG WINDS WILL ALSO LEAD TO SIGNIFICANT BLOWING AND DRIFTING SNOW IN THE MOUNTAINS WITH SEVERELY REDUCED VISIBILITIES AT TIMES. SIGNIFICANT SNOW WILL ALSO OCCUR OVER THE BIGHORN MOUNTAINS TONIGHT AND FRIDAY. SNOW WILL BECOME WIDESPREAD EAST OF THE DIVIDE FRIDAY...AS THE ARCTIC FRONT SURGES SOUTHWARD. ...WINTER STORM WARNING IN EFFECT FROM NOON TODAY TO 5 PM MST FRIDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM NOON TODAY TO 5 PM MST FRIDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT.

* TIMING...PERIODS OF SNOW WILL OCCUR FROM WEDNESDAY NIGHT THROUGH FRIDAY. PERSISTENT SNOWFALL WILL BE POSSIBLE THROUGH THE EVENT. SNOWFALL WILL QUICKLY END FRIDAY NIGHT BEHIND AN ARCTIC FRONT.

* TOTAL SNOWFALL...4 TO 8 INCHES IN THE NORTHERN PORTIONS OF THE PARK AROUND MAMMOTH AND THE ABSAROKAS. 10 TO 16 INCHES IN THE CENTRAL PORTION OF THE PARK AND ON THE BEARTOOTH PLATEAU WITH 1 TO 2 FEET EXPECTED OVER THE SOUTHWEST PORTION OF THE PARK.

* WIND AND VISIBILITY...THE WIND WILL INCREASE EARLY THURSDAY MORNING. EXPECT AREAS OF WEST TO SOUTHWEST WINDS AT 15 TO 25 MPH WITH GUSTS OF 35 TO 45 MPH. STRONG WINDS OF 30 TO 40 MPH WITH GUSTS UP TO 60 MPH WILL OCCUR OVER THE ABSAROKAS. THIS 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: ABSAROKA MOUNTAINS ... 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.