Alert archive / Wyoming / Winter Storm Warnings in 2017
Winter Storm Warning 5, NWS Riverton, WY
NWS Riverton, WY issued this winter storm warning at Feb 3, 2017, 11:41 AM MST for 6 counties in Wyoming. It took effect at Feb 3, 2017, 5:00 PM MST. It was in force for 33 hr. 56 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Feb 3, 2017, 11:41 AM MST (18:41 UTC)
- In effect from
- Feb 3, 2017, 5:00 PM MST
- Expired
- Feb 5, 2017, 2:07 AM MST
- In force
- 33 hr
- Issued by
- NWS Riverton, WY
Counties Fremont County, WY, Hot Springs County, WY, Lincoln County, WY, Park County, WY, Sublette County, WY, Teton County, WY
The radar
The Riverton/Lander radar (KRIW), 100 km from the middle of the area, began a volume at 18:47 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Feb 4, 2:42 AM MST | SNOW 5 | 8 W South Entrance, WY | GRASSY LAKE SNOTEL |
| Feb 4, 2:44 AM MST | SNOW 3 | 7 Nw Atlantic City, WY | SOUTH PASS SNOTEL |
| Feb 4, 2:44 AM MST | SNOW 4 | 19 Sw Bondurant, WY | BLIND BULL SUMMIT SNOTEL |
| Feb 4, 5:06 AM MST | SNOW 4 | Brooks Lake, WY | |
| Feb 4, 5:06 AM MST | SNOW 4 | Grand Targhee - Chief J, WY | |
| Feb 4, 5:06 AM MST | SNOW 5 | 9.9 Nnw Jackson, WY | JACKSON HOLE - RAYMER |
| Feb 4, 5:07 AM MST | SNOW 3 | 8.6 Nnw Jackson, WY | JACKSON HOLE - BASE |
| Feb 4, 5:07 AM MST | SNOW 3 | Commissary Ridge, WY | |
| Feb 4, 5:07 AM MST | SNOW 3 | Togwotee Mountain Lodge, WY | |
| Feb 4, 5:07 AM MST | SNOW 5 | Jackson Hole - Mid Moun, WY | |
| Feb 4, 5:07 AM MST | SNOW 5 | Snow King, WY | |
| Feb 4, 5:07 AM MST | HEAVY SNOW 8 | Jackson Hole - Rendezvo, WY | |
| Feb 4, 12:02 PM MST | HEAVY SNOW 7 | East Entrance, WY | YELLOWSTONE EAST ENTRANCE |
| Feb 4, 12:03 PM MST | SNOW 4 | Pahaska, WY | |
| Feb 4, 12:20 PM MST | SNOW 5 | Atlantic City, WY | |
| Feb 4, 12:30 PM MST | SNOW 2.5 | Jackson, WY | |
| Feb 4, 12:32 PM MST | SNOW 4.6 | Moose, WY | |
| Feb 4, 12:50 PM MST | HEAVY SNOW 6 | 1 Ene Teton Village, WY | |
| Feb 4, 12:50 PM MST | HEAVY SNOW 8 | 3 Nne Wilson, WY | |
| Feb 4, 1:06 PM MST | HEAVY SNOW 7 | 21 W Clark, WY | BEARTOOTH LAKE SNOTEL |
| Feb 4, 1:07 PM MST | HEAVY SNOW 8 | 19 Wsw Wapiti, WY | BLACKWATER SNOTEL |
| Feb 4, 1:10 PM MST | HEAVY SNOW 6 | 56 Sw Cody, WY | YOUNTS PEAK SNOTEL |
| Feb 4, 1:11 PM MST | SNOW 3 | 11 N Dubois, WY | BURROUGHS CREEK SNOTEL |
| Feb 4, 1:13 PM MST | SNOW 3 | 14 Ne Pahaska, WY | EVENING STAR SNOTEL |
| Feb 4, 1:15 PM MST | SNOW 5 | 30 Sw Meeteetse, WY | KIRWIN SNOTEL |
| Feb 4, 1:18 PM MST | HEAVY SNOW 9 | 8 Nne Moran Junction, WY | BASE CAMP SNOTEL |
| Feb 4, 1:20 PM MST | SNOW 4 | South Entrance, WY | SNAKE RIVER STN SNOTEL |
| Feb 4, 1:25 PM MST | HEAVY SNOW 9 | 8 Wnw Jackson, WY | PHILLIPS BENCH SNOTEL |
| Feb 4, 1:26 PM MST | HEAVY SNOW 10 | 10 N Bondurant, WY | GRANITE CREEK SNOTEL |
| Feb 4, 1:27 PM MST | HEAVY SNOW 6 | 20 Ne Bondurant, WY | GROS VENTRE SUMMIT SNOTEL |
| Feb 4, 1:28 PM MST | HEAVY SNOW 6 | 14 E Bondurant, WY | LOOMIS PARK SNOTEL |
| Feb 4, 1:29 PM MST | HEAVY SNOW 7 | 25 Nw Dubois, WY | TOGWOTEE PASS SNOTEL |
| Feb 4, 1:31 PM MST | SNOW 3 | 12 Nne Pinedale, WY | ELKHART PARK G.S. SNOTEL |
| Feb 4, 1:31 PM MST | SNOW 5 | 12 N Cora, WY | NEW FORK LAKE SNOTEL |
| Feb 4, 1:32 PM MST | HEAVY SNOW 7 | 22 N Cora, WY | KENDALL RANGER STATION SNOTEL |
| Feb 4, 1:33 PM MST | HEAVY SNOW 6 | 16 Sw Dubois, WY | GUNSITE PASS SNOTEL |
| Feb 4, 1:38 PM MST | HEAVY SNOW 7 | 25 Sw Lander, WY | LARSEN CREEK SNOTEL |
| Feb 4, 1:39 PM MST | HEAVY SNOW 6 | 19 Ssw Lander, WY | DEER PARK SNOTEL |
| Feb 4, 1:40 PM MST | SNOW 3 | 6 Wsw Dubois, WY | LITTLE WARM SNOTEL |
| Feb 4, 1:47 PM MST | HEAVY SNOW 9 | 17.2 E Thayne, WY | BLIND BULL SUMMIT |
| Feb 4, 1:48 PM MST | HEAVY SNOW 7 | 17 E Afton, WY | TRIPLE PEAK SNOTEL |
| Feb 4, 1:49 PM MST | HEAVY SNOW 6 | 8 Se Afton, WY | COTTONWOOD CREEK SNOTEL |
| Feb 4, 1:50 PM MST | SNOW 4 | 8 Ne Afton, WY | WILLOW CREEK SNOTEL |
| Feb 4, 1:51 PM MST | HEAVY SNOW 8 | 15 S Afton, WY | SALT RIVER SUMMIT SNOTEL |
| Feb 4, 1:54 PM MST | SNOW 5 | 21 W Big Piney, WY | SNIDER BASIN SNOTEL |
| Feb 4, 1:54 PM MST | HEAVY SNOW 12 | 19 Se Afton, WY | SPRING CREEK DIVIDE SNOTEL |
| Feb 4, 1:55 PM MST | HEAVY SNOW 9 | 36 N Kemmerer, WY | INDIAN CREEK SNOTEL |
| Feb 4, 1:56 PM MST | HEAVY SNOW 6 | 15 Nne Cokeville, WY | KELLEY RANGER STATION SNOTEL |
| Feb 4, 1:57 PM MST | SNOW 5 | 26 N Kemmerer, WY | HAMS FORK SNOTEL |
| Feb 4, 2:00 PM MST | SNOW 2.8 | 10 Ene Driggs, WY | GRAND TARGHEE SNOTEL 9260 MSL. 24-HOUR TOTAL. |
| Feb 4, 2:00 PM MST | HEAVY SNOW 7.7 | 16 S Afton, WY | SALT RIVER SUMMIT SNOTEL 7760 MSL. 24-HOUR TOTAL. |
| Feb 4, 2:00 PM MST | HEAVY SNOW 8.9 | 32 Nne Driggs, WY | GRASSY LAKE SNOTEL 7265 MSL. 24-HOUR TOTAL. |
| Feb 4, 2:00 PM MST | HEAVY SNOW 9.6 | 17 Se Driggs, WY | PHILIPS BENCH SNOTEL 8200 MSL. 24-HOUR TOTAL. |
| Feb 4, 3:35 PM MST | SNOW 2.6 | Fossil Butte, WY | |
| Feb 4, 9:13 PM MST | SNOW 5.2 | Bondurant, WY | |
| Feb 4, 9:14 PM MST | HEAVY SNOW 8.1 | Darwin Ranch, WY |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Riverton, WY (KRIW), launched 12:00Z, 6.7 hours before the alert went out and 106 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 918 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 121 m²/s²
- 0-3 km storm-relative helicity
- 228 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
170 WWUS45 KRIW 031841 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 1141 AM MST FRI FEB 3 2017 ...MORE SNOW TO RETURN TO WESTERN WYOMING TODAY THROUGH SATURDAY... .A STRONG UPPER LEVEL DISTURBANCE WITH AMPLE PACIFIC MOISTURE WILL BRING MODERATE TO HEAVY SNOW TO WESTERN WYOMING FROM LATE THIS AFTERNOON THROUGH SATURDAY EVENING. WYZ001-040100- /O.UPG.KRIW.WS.A.0007.170204T0000Z-170205T0600Z/ /O.NEW.KRIW.WS.W.0005.170204T0000Z-170205T0600Z/ YELLOWSTONE NATIONAL PARK- INCLUDING THE CITIES OF...LAKE...MAMMOTH...OLD FAITHFUL 1141 AM MST FRI FEB 3 2017 ...WINTER STORM WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 PM MST SATURDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 PM MST SATURDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...PERIODS OF SNOW WILL BEGIN AGAIN THIS AFTERNOON AND CONTINUE THROUGH SATURDAY EVENING. THE HEAVIEST SNOW IS EXPECTED AFTER MIDNIGHT TONIGHT THROUGH SATURDAY MORNING. * SNOWFALL...6 TO 20 INCHES WITH THE HIGHEST AMOUNTS IN THE SOUTHWESTERN MOUNTAINS AND LOWEST AMOUNTS ACROSS THE NORTHERN PORTION OF THE PARK. * MAIN IMPACT...ROADS AND HIGHWAYS WILL BE SLICK AND SNOW PACKED AND TRAVEL COULD BE DIFFICULT AT TIMES. VISIBILITY COULD BE REDUCED TO UNDER ONE QUARTER MILE IN SNOW AND BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$ WYZ012-040100- /O.UPG.KRIW.WS.A.0007.170204T0000Z-170205T0600Z/ /O.NEW.KRIW.WS.W.0005.170204T0000Z-170205T0600Z/ TETON AND GROS VENTRE MOUNTAINS- 1141 AM MST FRI FEB 3 2017 ...WINTER STORM WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 PM MST SATURDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 PM MST SATURDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...PERIODS OF SNOW WILL BEGIN AGAIN THIS AFTERNOON AND CONTINUE THROUGH SATURDAY EVENING. THE HEAVIEST SNOW IS EXPECTED AFTER MIDNIGHT TONIGHT THROUGH SATURDAY MORNING. * TOTAL SNOWFALL...10 TO 20 INCHES. * MAIN IMPACT...ROADS AND HIGHWAYS WILL BE SLICK AND SNOW PACKED AND TRAVEL COULD BE DIFFICULT AT TIMES...INCLUDING TETON AND TOGWOTEE PASSES. VISIBILITY COULD BE REDUCED TO UNDER ONE QUARTER MILE IN SNOW AND BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW, AND OR BLOWING SNOW ARE EXPECTED OR OCCURRING. THIS COULD MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. IF YOU MUST TRAVEL KEEP SOME FOOD, WATER, AND AN EXTRA FLASHLIGHT IN YOUR VEHICLE IN CASE OF AN EMERGENCY. CHECK THE LATEST ROAD CONDITIONS AT WYOROAD.INFO OR BY DIALING 5 1 1. && $$ WYZ024-040100- /O.UPG.KRIW.WS.A.0007.170204T0000Z-170205T0600Z/ /O.NEW.KRIW.WS.W.0005.170204T0000Z-170205T0600Z/ SALT RIVER AND WYOMING RANGES- 1141 AM MST FRI FEB 3 2017 ...WINTER STORM WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 PM MST SATURDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 PM MST SATURDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...PERIODS OF SNOW WILL BEGIN BY THIS EVENING AND CONTINUE THROUGH SATURDAY EVENING. THE HEAVIEST SNOW IS EXPECTED AFTER MIDNIGHT TONIGHT THROUGH SATURDAY MORNING. * TOTAL SNOWFALL...8 TO 16 INCHES. * MAIN IMPACT...ROADS AND HIGHWAYS WILL BE SLICK AND SNOW PACKED AND TRAVEL COULD BE DIFFICULT AT TIMES...INCLUDING SALT PASS. VISIBILITY COULD BE REDUCED TO UNDER ONE QUARTER MILE IN SNOW AND BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$ WYZ014-015-040100- /O.UPG.KRIW.WS.A.0007.170204T0000Z-170205T0600Z/ /O.NEW.KRIW.WS.W.0005.170204T0000Z-170205T0600Z/ WIND RIVER MOUNTAINS WEST-WIND RIVER MOUNTAINS EAST- 1141 AM MST FRI FEB 3 2017 ...WINTER STORM WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 PM MST SATURDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 PM MST SATURDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...PERIODS OF MODERATE TO HEAVY SNOW WILL BEGIN AGAIN BY THIS EVENING AND CONTINUE THROUGH SATURDAY EVENING. THE HEAVIEST SNOW IS EXPECTED AFTER MIDNIGHT TONIGHT THROUGH SATURDAY MORNING. * TOTAL SNOWFALL...6 TO 18 INCHES. * MAIN IMPACT...ROADS AND HIGHWAYS WILL BE SLICK AND SNOW PACKED AND TRAVEL COULD BE DIFFICULT AT TIMES...INCLUDING SOUTH PASS. VISIBILITY COULD BE REDUCED TO UNDER ONE QUARTER MILE IN SNOW AND BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW, AND OR BLOWING SNOW ARE EXPECTED OR OCCURRING. THIS COULD MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. IF YOU MUST TRAVEL KEEP SOME FOOD, WATER, AND AN EXTRA FLASHLIGHT IN YOUR VEHICLE IN CASE OF AN EMERGENCY. CHECK THE LATEST ROAD CONDITIONS AT WYOROAD.INFO OR BY DIALING 5 1 1. && $$ WYZ002-040100- /O.UPG.KRIW.WS.A.0007.170204T0000Z-170205T0600Z/ /O.NEW.KRIW.WS.W.0005.170204T0000Z-170205T0600Z/ ABSAROKA MOUNTAINS- 1141 AM MST FRI FEB 3 2017 ...WINTER STORM WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 PM MST SATURDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 PM MST SATURDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...PERIODS OF SNOW WILL BEGIN AGAIN THIS AFTERNOON AND CONTINUE THROUGH SATURDAY EVENING. THE HEAVIEST SNOW IS EXPECTED LATER TONIGHT INTO SATURDAY MORNING. * TOTAL SNOWFALL...6 TO 15 INCHES...WITH THE HIGHEST AMOUNTS IN THE SOUTHWEST PORTION OF THE MOUNTAINS AND THE LOWEST AMOUNTS OVER THE EASTERN MOUNTAINS. * MAIN IMPACT...ROADS AND HIGHWAYS WILL BE SLICK AND SNOW PACKED AND TRAVEL COULD BE DIFFICULT AT TIMES. VISIBILITY COULD BE REDUCED TO UNDER ONE QUARTER MILE IN SNOW AND BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$ WYZ013-040100- /O.UPG.KRIW.WS.A.0007.170204T0000Z-170205T0600Z/ /O.NEW.KRIW.WS.W.0005.170204T0000Z-170205T0600Z/ JACKSON HOLE- INCLUDING THE CITY OF...JACKSON 1141 AM MST FRI FEB 3 2017 ...WINTER STORM WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 PM MST SATURDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 PM MST SATURDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...PERIODS OF SNOW WILL BEGIN AGAIN BY THIS EVENING AND CONTINUE THROUGH SATURDAY EVENING. THE HEAVIEST SNOW IS EXPECTED AFTER MIDNIGHT TONIGHT AND THROUGH SATURDAY MORNING. * TOTAL SNOWFALL...5 TO 10 INCHES WITH LOCALLY HIGHER AMOUNTS IN THE NORTHERN PORTION OF THE VALLEY. * MAIN IMPACT...ROADS AND HIGHWAYS WILL BE SLICK AND SNOW PACKED AND TRAVEL COULD BE DIFFICULT AT TIMES. VISIBILITY COULD BE REDUCED TO UNDER ONE QUARTER MILE IN SNOW AND BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW, AND OR BLOWING SNOW ARE EXPECTED OR OCCURRING. THIS COULD MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. IF YOU MUST TRAVEL KEEP SOME FOOD, WATER, AND AN EXTRA FLASHLIGHT IN YOUR VEHICLE IN CASE OF AN EMERGENCY. CHECK THE LATEST ROAD CONDITIONS AT WYOROAD.INFO OR BY DIALING 5 1 1. && $$ WYZ023-040100- /O.UPG.KRIW.WS.A.0007.170204T0000Z-170205T0600Z/ /O.NEW.KRIW.WS.W.0005.170204T0000Z-170205T0600Z/ STAR VALLEY- INCLUDING THE CITIES OF...AFTON...ALPINE...STAR VALLEY RANCH... THAYNE 1141 AM MST FRI FEB 3 2017 ...WINTER STORM WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 PM MST SATURDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 PM MST SATURDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...PERIODS OF SNOW WILL BEGIN AGAIN BY THIS AFTERNOON AND CONTINUE THROUGH SATURDAY EVENING. THE HEAVIEST SNOW IS EXPECTED AFTER MIDNIGHT TONIGHT THROUGH SATURDAY MORNING. * TOTAL SNOWFALL...5 TO 9 INCHES. * MAIN IMPACT...ROADS AND HIGHWAYS WILL BE SLICK AND SNOW PACKED AND TRAVEL COULD BE DIFFICULT AT TIMES. VISIBILITY COULD BE REDUCED TO UNDER ONE QUARTER MILE IN SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$ WYZ025-040100- /O.NEW.KRIW.WW.Y.0007.170204T0000Z-170205T0600Z/ UPPER GREEN RIVER BASIN FOOTHILLS- INCLUDING THE CITY OF...PINEDALE 1141 AM MST FRI FEB 3 2017 ...WINTER WEATHER ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 PM MST SATURDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 PM MST SATURDAY. * TIMING...PERIODS OF SNOW WILL BEGIN AGAIN BY THIS EVENING AND CONTINUE THROUGH SATURDAY EVENING. THE HEAVIEST SNOW IS EXPECTED AFTER MIDNIGHT TONIGHT THROUGH SATURDAY MORNING. * TOTAL SNOWFALL...2 TO 8 INCHES WITH THE HIGHEST AMOUNTS OVER THE WESTERN PORTION OF THE FOOTHILLS NEAR BONDURANT. * MAIN IMPACT...ROADS AND HIGHWAYS WILL BE SLICK AND SNOW PACKED AND TRAVEL COULD BE DIFFICULT AT TIMES. VISIBILITY COULD BE REDUCED TO UNDER ONE HALF MILE IN SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED AND SLICK ROADS WITH LIMITED VISIBILITIES. SLOW DOWN, AND ALLOW EXTRA TIME TO REACH YOUR DESTINATION. CHECK THE LATEST ROAD CONDITIONS AT WYOROAD.INFO OR BY DIALING 5 1 1. && $$ WYZ016-040100- /O.NEW.KRIW.WW.Y.0007.170204T0000Z-170205T0600Z/ UPPER WIND RIVER BASIN- INCLUDING THE CITY OF...DUBOIS 1141 AM MST FRI FEB 3 2017 ...WINTER WEATHER ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 PM MST SATURDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 PM MST SATURDAY. * TIMING...PERIODS OF SNOW WILL BEGIN AGAIN BY THIS EVENING AND CONTINUE THROUGH SATURDAY EVENING. THE HEAVIEST SNOW IS EXPECTED AFTER MIDNIGHT TONIGHT THROUGH SATURDAY MORNING. * TOTAL SNOWFALL...2 TO 8 INCHES OVER THE FAR WESTERN PORTION OF THE BASIN WITH THE HIGHEST AMOUNTS NORTHWEST OF DUBOIS AND LITTLE TO NO SNOWFALL TO THE EAST OF DUBOIS. * MAIN IMPACT...ROADS AND HIGHWAYS WILL BE SLICK AND SNOW PACKED AND TRAVEL COULD BE DIFFICULT AT TIMES. VISIBILITY COULD BE REDUCED TO UNDER ONE HALF MILE IN SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED AND SLICK ROADS WITH LIMITED VISIBILITIES. SLOW DOWN, AND ALLOW EXTRA TIME TO REACH YOUR DESTINATION. CHECK THE LATEST ROAD CONDITIONS AT WYOROAD.INFO OR BY DIALING 5 1 1. && $$
6 follow-up statements
267 WWUS45 KRIW 040123 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 623 PM MST FRI FEB 3 2017 ...MORE SNOW TO RETURN TO WESTERN WYOMING THROUGH SATURDAY... .A STRONG UPPER LEVEL DISTURBANCE WITH AMPLE PACIFIC MOISTURE WILL BRING MODERATE TO HEAVY SNOW TO WESTERN WYOMING THROUGH SATURDAY EVENING. WYZ001-041030- /O.CON.KRIW.WS.W.0005.000000T0000Z-170205T0600Z/ YELLOWSTONE NATIONAL PARK- INCLUDING THE CITIES OF...LAKE...MAMMOTH...OLD FAITHFUL 623 PM MST FRI FEB 3 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST SATURDAY... * TIMING...PERIODS OF SNOW WILL OCCUR THROUGH SATURDAY EVENING. THE HEAVIEST SNOW IS EXPECTED TONIGHT THROUGH SATURDAY MORNING. * SNOWFALL...6 TO 20 INCHES WITH THE HIGHEST AMOUNTS IN THE SOUTHWESTERN MOUNTAINS AND LOWEST AMOUNTS ACROSS THE NORTHERN PORTION OF THE PARK. * MAIN IMPACT...ROADS AND HIGHWAYS WILL BE SLICK AND SNOW PACKED AND TRAVEL COULD BE DIFFICULT AT TIMES. VISIBILITY COULD BE REDUCED TO UNDER ONE QUARTER MILE IN SNOW AND BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...AND OR BLOWING SNOW ARE EXPECTED OR OCCURRING. THIS COULD MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. IF YOU MUST TRAVEL KEEP SOME FOOD... WATER...AND AN EXTRA FLASHLIGHT IN YOUR VEHICLE IN CASE OF AN EMERGENCY. CHECK THE LATEST ROAD CONDITIONS AT WYOROAD.INFO OR BY DIALING 5 1 1. && $$ WYZ012-041030- /O.CON.KRIW.WS.W.0005.000000T0000Z-170205T0600Z/ TETON AND GROS VENTRE MOUNTAINS- 623 PM MST FRI FEB 3 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST SATURDAY... * TIMING...PERIODS OF SNOW WILL OCCUR THROUGH SATURDAY EVENING. THE HEAVIEST SNOW IS EXPECTED TONIGHT THROUGH SATURDAY MORNING. * TOTAL SNOWFALL...10 TO 20 INCHES. * MAIN IMPACT...ROADS AND HIGHWAYS WILL BE SLICK AND SNOW PACKED AND TRAVEL COULD BE DIFFICULT AT TIMES...INCLUDING TETON AND TOGWOTEE PASSES. VISIBILITY COULD BE REDUCED TO UNDER ONE QUARTER MILE IN SNOW AND BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$ WYZ024-041030- /O.CON.KRIW.WS.W.0005.000000T0000Z-170205T0600Z/ SALT RIVER AND WYOMING RANGES- 623 PM MST FRI FEB 3 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST SATURDAY... * TIMING...PERIODS OF SNOW WILL OCCUR THROUGH SATURDAY EVENING. THE HEAVIEST SNOW IS EXPECTED TONIGHT THROUGH SATURDAY MORNING. * TOTAL SNOWFALL...8 TO 16 INCHES. * MAIN IMPACT...ROADS AND HIGHWAYS WILL BE SLICK AND SNOW PACKED AND TRAVEL COULD BE DIFFICULT AT TIMES...INCLUDING SALT PASS. VISIBILITY COULD BE REDUCED TO UNDER ONE QUARTER MILE IN SNOW AND BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...AND OR BLOWING SNOW ARE EXPECTED OR OCCURRING. THIS COULD MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. IF YOU MUST TRAVEL KEEP SOME FOOD... WATER...AND AN EXTRA FLASHLIGHT IN YOUR VEHICLE IN CASE OF AN EMERGENCY. CHECK THE LATEST ROAD CONDITIONS AT WYOROAD.INFO OR BY DIALING 5 1 1. && $$ WYZ014-015-041030- /O.CON.KRIW.WS.W.0005.000000T0000Z-170205T0600Z/ WIND RIVER MOUNTAINS WEST-WIND RIVER MOUNTAINS EAST- 623 PM MST FRI FEB 3 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST SATURDAY... * TIMING...PERIODS OF MODERATE TO HEAVY SNOW WILL OCCUR THROUGH SATURDAY EVENING. THE HEAVIEST SNOW IS EXPECTED AFTER TONIGHT THROUGH SATURDAY MORNING. * TOTAL SNOWFALL...6 TO 18 INCHES. * MAIN IMPACT...ROADS AND HIGHWAYS WILL BE SLICK AND SNOW PACKED AND TRAVEL COULD BE DIFFICULT AT TIMES...INCLUDING SOUTH PASS. VISIBILITY COULD BE REDUCED TO UNDER ONE QUARTER MILE IN SNOW AND BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$ WYZ002-041030- /O.CON.KRIW.WS.W.0005.000000T0000Z-170205T0600Z/ ABSAROKA MOUNTAINS- 623 PM MST FRI FEB 3 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST SATURDAY... * TIMING...PERIODS OF SNOW WILL OCCUR THROUGH SATURDAY EVENING. THE HEAVIEST SNOW IS EXPECTED LATE TONIGHT THROUGH SATURDAY MORNING. * TOTAL SNOWFALL...6 TO 15 INCHES...WITH THE HIGHEST AMOUNTS IN THE SOUTHWEST PORTION OF THE MOUNTAINS AND THE LOWEST AMOUNTS OVER THE EASTERN MOUNTAINS. * MAIN IMPACT...ROADS AND HIGHWAYS WILL BE SLICK AND SNOW PACKED AND TRAVEL COULD BE DIFFICULT AT TIMES. VISIBILITY COULD BE REDUCED TO UNDER ONE QUARTER MILE IN SNOW AND BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...AND OR BLOWING SNOW ARE EXPECTED OR OCCURRING. THIS COULD MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. IF YOU MUST TRAVEL KEEP SOME FOOD... WATER...AND AN EXTRA FLASHLIGHT IN YOUR VEHICLE IN CASE OF AN EMERGENCY. CHECK THE LATEST ROAD CONDITIONS AT WYOROAD.INFO OR BY DIALING 5 1 1. && $$ WYZ013-041030- /O.CON.KRIW.WS.W.0005.000000T0000Z-170205T0600Z/ JACKSON HOLE- INCLUDING THE CITY OF...JACKSON 623 PM MST FRI FEB 3 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST SATURDAY... * TIMING...PERIODS OF SNOW WILL OCCUR THROUGH SATURDAY EVENING. THE HEAVIEST SNOW IS EXPECTED TONIGHT THROUGH SATURDAY MORNING. * TOTAL SNOWFALL...5 TO 10 INCHES WITH LOCALLY HIGHER AMOUNTS IN THE NORTHERN PORTION OF THE VALLEY. * MAIN IMPACT...ROADS AND HIGHWAYS WILL BE SLICK AND SNOW PACKED AND TRAVEL COULD BE DIFFICULT AT TIMES. VISIBILITY COULD BE REDUCED TO UNDER ONE QUARTER MILE IN SNOW AND BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$ WYZ023-041030- /O.CON.KRIW.WS.W.0005.000000T0000Z-170205T0600Z/ STAR VALLEY- INCLUDING THE CITIES OF...AFTON...ALPINE...STAR VALLEY RANCH... THAYNE 623 PM MST FRI FEB 3 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST SATURDAY... * TIMING...PERIODS OF SNOW WILL OCCUR THROUGH SATURDAY EVENING. THE HEAVIEST SNOW IS EXPECTED TONIGHT THROUGH SATURDAY MORNING. * TOTAL SNOWFALL...5 TO 9 INCHES. * MAIN IMPACT...ROADS AND HIGHWAYS WILL BE SLICK AND SNOW PACKED AND TRAVEL COULD BE DIFFICULT AT TIMES. VISIBILITY COULD BE REDUCED TO UNDER ONE QUARTER MILE IN SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...AND OR BLOWING SNOW ARE EXPECTED OR OCCURRING. THIS COULD MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. IF YOU MUST TRAVEL KEEP SOME FOOD... WATER...AND AN EXTRA FLASHLIGHT IN YOUR VEHICLE IN CASE OF AN EMERGENCY. CHECK THE LATEST ROAD CONDITIONS AT WYOROAD.INFO OR BY DIALING 5 1 1. && $$ WYZ025-041030- /O.CON.KRIW.WW.Y.0007.000000T0000Z-170205T0600Z/ UPPER GREEN RIVER BASIN FOOTHILLS- INCLUDING THE CITY OF...PINEDALE 623 PM MST FRI FEB 3 2017 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST SATURDAY... * TIMING...PERIODS OF SNOW WILL OCCUR THROUGH SATURDAY EVENING. THE HEAVIEST SNOW IS EXPECTED LATE TONIGHT THROUGH SATURDAY MORNING. * TOTAL SNOWFALL...2 TO 8 INCHES...WITH THE HIGHEST AMOUNTS IN THE WESTERN PORTION OF THE REGION NEAR BONDURANT. * MAIN IMPACT...ROADS AND HIGHWAYS WILL BE SLICK AND SNOW PACKED AND TRAVEL COULD BE DIFFICULT AT TIMES. VISIBILITY COULD BE REDUCED TO UNDER ONE HALF MILE IN SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED AND SLICK ROADS WITH LIMITED VISIBILITIES. SLOW DOWN...AND ALLOW EXTRA TIME TO REACH YOUR DESTINATION. CHECK THE LATEST ROAD CONDITIONS AT WYOROAD.INFO OR BY DIALING 5 1 1. && $$ WYZ016-041030- /O.CON.KRIW.WW.Y.0007.000000T0000Z-170205T0600Z/ UPPER WIND RIVER BASIN- INCLUDING THE CITY OF...DUBOIS 623 PM MST FRI FEB 3 2017 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST SATURDAY... * TIMING...PERIODS OF SNOW WILL OCCUR THROUGH SATURDAY EVENING. THE HEAVIEST SNOW IS EXPECTED LATE TONIGHT THROUGH SATURDAY MORNING. * TOTAL SNOWFALL...2 TO 8 INCHES OVER THE WESTERN PORTION OF THE REGION WITH THE HIGHEST AMOUNTS NORTHWEST OF DUBOIS. LITTLE TO NO SNOWFALL IS EXPECTED TO THE SOUTHEAST OF DUBOIS. * MAIN IMPACT...ROADS AND HIGHWAYS WILL BE SLICK AND SNOW PACKED AND TRAVEL COULD BE DIFFICULT AT TIMES. VISIBILITY COULD BE REDUCED TO UNDER ONE HALF MILE IN SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED AND SLICK ROADS WITH LIMITED VISIBILITIES. SLOW DOWN...AND ALLOW EXTRA TIME TO REACH YOUR DESTINATION. CHECK THE LATEST ROAD CONDITIONS AT WYOROAD.INFO OR BY DIALING 5 1 1. && $$
280 WWUS45 KRIW 040820 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 120 AM MST SAT FEB 4 2017 ...MORE SNOW TO RETURN TO WESTERN WYOMING THROUGH SATURDAY... .A STRONG UPPER LEVEL DISTURBANCE WITH AMPLE PACIFIC MOISTURE WILL BRING MODERATE TO HEAVY SNOW TO WESTERN WYOMING THROUGH SATURDAY EVENING. WYZ001-042300- /O.CON.KRIW.WS.W.0005.000000T0000Z-170205T0600Z/ YELLOWSTONE NATIONAL PARK- INCLUDING THE CITIES OF...LAKE...MAMMOTH...OLD FAITHFUL 120 AM MST SAT FEB 4 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * TIMING...PERIODS OF SNOW WILL OCCUR THROUGH THIS EVENING. THE HEAVIEST SNOW IS EXPECTED THIS MORNING. * SNOWFALL...6 TO 18 INCHES WITH THE HIGHEST AMOUNTS IN THE SOUTHWESTERN MOUNTAINS AND LOWEST AMOUNTS ACROSS THE NORTHERN PORTION OF THE PARK. * MAIN IMPACT...ROADS AND HIGHWAYS WILL BE SLICK AND SNOW PACKED AND TRAVEL COULD BE DIFFICULT AT TIMES. VISIBILITY COULD BE REDUCED TO UNDER ONE QUARTER MILE IN SNOW AND BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$ WYZ012-042300- /O.CON.KRIW.WS.W.0005.000000T0000Z-170205T0600Z/ TETON AND GROS VENTRE MOUNTAINS- 120 AM MST SAT FEB 4 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * TIMING...PERIODS OF SNOW WILL OCCUR THROUGH THIS EVENING. THE HEAVIEST SNOW IS EXPECTED THIS MORNING. * TOTAL SNOWFALL...10 TO 20 INCHES. * MAIN IMPACT...ROADS AND HIGHWAYS WILL BE SLICK AND SNOW PACKED AND TRAVEL COULD BE DIFFICULT AT TIMES...INCLUDING TETON AND TOGWOTEE PASSES. VISIBILITY COULD BE REDUCED TO UNDER ONE QUARTER MILE IN SNOW AND BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...AND OR BLOWING SNOW ARE EXPECTED OR OCCURRING. THIS COULD MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. IF YOU MUST TRAVEL KEEP SOME FOOD... WATER...AND AN EXTRA FLASHLIGHT IN YOUR VEHICLE IN CASE OF AN EMERGENCY. CHECK THE LATEST ROAD CONDITIONS AT WYOROAD.INFO OR BY DIALING 5 1 1. && $$ WYZ024-042300- /O.CON.KRIW.WS.W.0005.000000T0000Z-170205T0600Z/ SALT RIVER AND WYOMING RANGES- 120 AM MST SAT FEB 4 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * TIMING...PERIODS OF SNOW WILL OCCUR THROUGH THIS EVENING. THE HEAVIEST SNOW IS EXPECTED THIS MORNING. * TOTAL SNOWFALL...8 TO 14 INCHES. * MAIN IMPACT...ROADS AND HIGHWAYS WILL BE SLICK AND SNOW PACKED AND TRAVEL COULD BE DIFFICULT AT TIMES...INCLUDING SALT PASS. VISIBILITY COULD BE REDUCED TO UNDER ONE QUARTER MILE IN SNOW AND BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$ WYZ014-015-042300- /O.CON.KRIW.WS.W.0005.000000T0000Z-170205T0600Z/ WIND RIVER MOUNTAINS WEST-WIND RIVER MOUNTAINS EAST- 120 AM MST SAT FEB 4 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * TIMING...PERIODS OF SNOW WILL OCCUR THROUGH THIS EVENING. THE HEAVIEST SNOW IS EXPECTED THIS MORNING. * TOTAL SNOWFALL...6 TO 18 INCHES. * MAIN IMPACT...ROADS AND HIGHWAYS WILL BE SLICK AND SNOW PACKED AND TRAVEL COULD BE DIFFICULT AT TIMES...INCLUDING SOUTH PASS. VISIBILITY COULD BE REDUCED TO UNDER ONE QUARTER MILE IN SNOW AND BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...AND OR BLOWING SNOW ARE EXPECTED OR OCCURRING. THIS COULD MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. IF YOU MUST TRAVEL KEEP SOME FOOD... WATER...AND AN EXTRA FLASHLIGHT IN YOUR VEHICLE IN CASE OF AN EMERGENCY. CHECK THE LATEST ROAD CONDITIONS AT WYOROAD.INFO OR BY DIALING 5 1 1. && $$ WYZ002-042300- /O.CON.KRIW.WS.W.0005.000000T0000Z-170205T0600Z/ ABSAROKA MOUNTAINS- 120 AM MST SAT FEB 4 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * TIMING...PERIODS OF SNOW WILL OCCUR THROUGH THIS EVENING. THE HEAVIEST SNOW IS EXPECTED THIS MORNING. * TOTAL SNOWFALL...6 TO 15 INCHES...WITH THE HIGHEST AMOUNTS IN THE SOUTHWEST PORTION OF THE MOUNTAINS AND THE LOWEST AMOUNTS OVER THE EASTERN MOUNTAINS. * MAIN IMPACT...ROADS AND HIGHWAYS WILL BE SLICK AND SNOW PACKED AND TRAVEL COULD BE DIFFICULT AT TIMES. VISIBILITY COULD BE REDUCED TO UNDER ONE QUARTER MILE IN SNOW AND BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$ WYZ013-042300- /O.CON.KRIW.WS.W.0005.000000T0000Z-170205T0600Z/ JACKSON HOLE- INCLUDING THE CITY OF...JACKSON 120 AM MST SAT FEB 4 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * TIMING...PERIODS OF SNOW WILL OCCUR THROUGH THIS EVENING. THE HEAVIEST SNOW IS EXPECTED THIS MORNING. THE SNOW MAY MIX WITH RAIN AT TIMES AROUND THE TOWN OF JACKSON. * TOTAL SNOWFALL...4 TO 8 INCHES WITH LOCALLY HIGHER AMOUNTS IN THE NORTHERN PORTION OF THE VALLEY. * MAIN IMPACT...ROADS AND HIGHWAYS WILL BE SLICK AND SNOW PACKED AND TRAVEL COULD BE DIFFICULT AT TIMES. VISIBILITY COULD BE REDUCED TO UNDER ONE QUARTER MILE IN SNOW AND BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...AND OR BLOWING SNOW ARE EXPECTED OR OCCURRING. THIS COULD MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. IF YOU MUST TRAVEL KEEP SOME FOOD... WATER...AND AN EXTRA FLASHLIGHT IN YOUR VEHICLE IN CASE OF AN EMERGENCY. CHECK THE LATEST ROAD CONDITIONS AT WYOROAD.INFO OR BY DIALING 5 1 1. && $$ WYZ023-042300- /O.CON.KRIW.WS.W.0005.000000T0000Z-170205T0600Z/ STAR VALLEY- INCLUDING THE CITIES OF...AFTON...ALPINE...STAR VALLEY RANCH... THAYNE 120 AM MST SAT FEB 4 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * TIMING...PERIODS OF SNOW WILL OCCUR THROUGH THIS EVENING. THE HEAVIEST SNOW IS EXPECTED THIS MORNING. THE SNOW MAY MIX WITH RAIN AT TIMES IN THE LOWER ELEVATIONS. * TOTAL SNOWFALL...4 TO 8 INCHES. * MAIN IMPACT...ROADS AND HIGHWAYS WILL BE SLICK AND SNOW PACKED AND TRAVEL COULD BE DIFFICULT AT TIMES. VISIBILITY COULD BE REDUCED TO UNDER ONE QUARTER MILE IN SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$ WYZ025-042300- /O.CON.KRIW.WW.Y.0007.000000T0000Z-170205T0600Z/ UPPER GREEN RIVER BASIN FOOTHILLS- INCLUDING THE CITY OF...PINEDALE 120 AM MST SAT FEB 4 2017 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * TIMING...PERIODS OF SNOW WILL OCCUR THROUGH THIS EVENING. THE HEAVIEST SNOW IS EXPECTED THIS MORNING. * TOTAL SNOWFALL...2 TO 6 INCHES...WITH THE HIGHEST AMOUNTS IN THE WESTERN PORTION OF THE REGION NEAR BONDURANT. * MAIN IMPACT...ROADS AND HIGHWAYS WILL BE SLICK AND SNOW PACKED AND TRAVEL COULD BE DIFFICULT AT TIMES. VISIBILITY COULD BE REDUCED TO UNDER ONE HALF MILE IN SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED AND SLICK ROADS WITH LIMITED VISIBILITIES. SLOW DOWN...AND ALLOW EXTRA TIME TO REACH YOUR DESTINATION. CHECK THE LATEST ROAD CONDITIONS AT WYOROAD.INFO OR BY DIALING 5 1 1. && $$ WYZ016-042300- /O.CON.KRIW.WW.Y.0007.000000T0000Z-170205T0600Z/ UPPER WIND RIVER BASIN- INCLUDING THE CITY OF...DUBOIS 120 AM MST SAT FEB 4 2017 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * TIMING...PERIODS OF SNOW WILL OCCUR THROUGH THIS EVENING. THE HEAVIEST SNOW IS EXPECTED THIS MORNING. * TOTAL SNOWFALL...2 TO 6 INCHES OVER THE WESTERN PORTION OF THE REGION WITH THE HIGHEST AMOUNTS NORTHWEST OF DUBOIS. LITTLE TO NO SNOWFALL IS EXPECTED TO THE SOUTHEAST OF DUBOIS. * MAIN IMPACT...ROADS AND HIGHWAYS WILL BE SLICK AND SNOW PACKED AND TRAVEL COULD BE DIFFICULT AT TIMES. VISIBILITY COULD BE REDUCED TO UNDER ONE HALF MILE IN SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED AND SLICK ROADS WITH LIMITED VISIBILITIES. SLOW DOWN...AND ALLOW EXTRA TIME TO REACH YOUR DESTINATION. CHECK THE LATEST ROAD CONDITIONS AT WYOROAD.INFO OR BY DIALING 5 1 1. && $$
996 WWUS45 KRIW 041734 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 1034 AM MST SAT FEB 4 2017 ...MORE SNOW TO RETURN TO WESTERN WYOMING THROUGH SATURDAY NIGHT... .A STRONG UPPER LEVEL DISTURBANCE WITH AMPLE PACIFIC MOISTURE WILL BRING MODERATE TO HEAVY SNOW TO WESTERN WYOMING THROUGH SATURDAY NIGHT. WYZ001-042300- /O.EXT.KRIW.WS.W.0005.000000T0000Z-170205T1200Z/ YELLOWSTONE NATIONAL PARK- INCLUDING THE CITIES OF...LAKE...MAMMOTH...OLD FAITHFUL 1034 AM MST SAT FEB 4 2017 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 5 AM MST SUNDAY... * TIMING...PERIODS OF MODERATE TO OCCASIONALLY HEAVY SNOW WILL CONTINUE THROUGH TONIGHT. * SNOWFALL...6 TO 18 INCHES WITH THE HIGHEST AMOUNTS IN THE SOUTHWESTERN MOUNTAINS AND LOWEST AMOUNTS ACROSS THE NORTHERN PORTION OF THE PARK. * MAIN IMPACT...ROADS AND HIGHWAYS WILL BE SLICK AND SNOW PACKED AND TRAVEL COULD BE DIFFICULT AT TIMES. VISIBILITY COULD BE REDUCED TO UNDER ONE QUARTER MILE IN SNOW AND BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...AND OR BLOWING SNOW ARE EXPECTED OR OCCURRING. THIS COULD MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. IF YOU MUST TRAVEL KEEP SOME FOOD... WATER...AND AN EXTRA FLASHLIGHT IN YOUR VEHICLE IN CASE OF AN EMERGENCY. CHECK THE LATEST ROAD CONDITIONS AT WYOROAD.INFO OR BY DIALING 5 1 1. && $$ WYZ012-042300- /O.EXT.KRIW.WS.W.0005.000000T0000Z-170205T1200Z/ TETON AND GROS VENTRE MOUNTAINS- 1034 AM MST SAT FEB 4 2017 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 5 AM MST SUNDAY... * TIMING...PERIODS OF MODERATE TO OCCASIONALLY HEAVY SNOW WILL CONTINUE THROUGH TONIGHT. * TOTAL SNOWFALL...10 TO 20 INCHES. * MAIN IMPACT...ROADS AND HIGHWAYS WILL BE SLICK AND SNOW PACKED AND TRAVEL COULD BE DIFFICULT AT TIMES...INCLUDING TETON AND TOGWOTEE PASSES. VISIBILITY COULD BE REDUCED TO UNDER ONE QUARTER MILE IN SNOW AND BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$ WYZ024-042300- /O.EXT.KRIW.WS.W.0005.000000T0000Z-170205T1200Z/ SALT RIVER AND WYOMING RANGES- 1034 AM MST SAT FEB 4 2017 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 5 AM MST SUNDAY... * TIMING...PERIODS OF MODERATE TO OCCASIONALLY HEAVY SNOW WILL CONTINUE THROUGH TONIGHT. * TOTAL SNOWFALL...8 TO 14 INCHES. * MAIN IMPACT...ROADS AND HIGHWAYS WILL BE SLICK AND SNOW PACKED AND TRAVEL COULD BE DIFFICULT AT TIMES...INCLUDING SALT PASS. VISIBILITY COULD BE REDUCED TO UNDER ONE QUARTER MILE IN SNOW AND BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...AND OR BLOWING SNOW ARE EXPECTED OR OCCURRING. THIS COULD MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. IF YOU MUST TRAVEL KEEP SOME FOOD... WATER...AND AN EXTRA FLASHLIGHT IN YOUR VEHICLE IN CASE OF AN EMERGENCY. CHECK THE LATEST ROAD CONDITIONS AT WYOROAD.INFO OR BY DIALING 5 1 1. && $$ WYZ014-015-042300- /O.EXT.KRIW.WS.W.0005.000000T0000Z-170205T1200Z/ WIND RIVER MOUNTAINS WEST-WIND RIVER MOUNTAINS EAST- 1034 AM MST SAT FEB 4 2017 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 5 AM MST SUNDAY... * TIMING...PERIODS OF MODERATE TO OCCASIONALLY HEAVY SNOW WILL CONTINUE THROUGH TONIGHT. * TOTAL SNOWFALL...6 TO 18 INCHES. * MAIN IMPACT...ROADS AND HIGHWAYS WILL BE SLICK AND SNOW PACKED AND TRAVEL COULD BE DIFFICULT AT TIMES...INCLUDING SOUTH PASS. VISIBILITY COULD BE REDUCED TO UNDER ONE QUARTER MILE IN SNOW AND BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$ WYZ002-042300- /O.EXT.KRIW.WS.W.0005.000000T0000Z-170205T1200Z/ ABSAROKA MOUNTAINS- 1034 AM MST SAT FEB 4 2017 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 5 AM MST SUNDAY... * TIMING...PERIODS OF MODERATE TO OCCASIONALLY HEAVY SNOW WILL CONTINUE THROUGH TONIGHT. * TOTAL SNOWFALL...6 TO 15 INCHES...WITH THE HIGHEST AMOUNTS IN THE SOUTHWEST PORTION OF THE MOUNTAINS AND THE LOWEST AMOUNTS OVER THE EASTERN MOUNTAINS. * MAIN IMPACT...ROADS AND HIGHWAYS WILL BE SLICK AND SNOW PACKED AND TRAVEL COULD BE DIFFICULT AT TIMES. VISIBILITY COULD BE REDUCED TO UNDER ONE QUARTER MILE IN SNOW AND BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...AND OR BLOWING SNOW ARE EXPECTED OR OCCURRING. THIS COULD MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. IF YOU MUST TRAVEL KEEP SOME FOOD... WATER...AND AN EXTRA FLASHLIGHT IN YOUR VEHICLE IN CASE OF AN EMERGENCY. CHECK THE LATEST ROAD CONDITIONS AT WYOROAD.INFO OR BY DIALING 5 1 1. && $$ WYZ013-042300- /O.EXT.KRIW.WS.W.0005.000000T0000Z-170205T1200Z/ JACKSON HOLE- INCLUDING THE CITY OF...JACKSON 1034 AM MST SAT FEB 4 2017 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 5 AM MST SUNDAY... * TIMING...PERIODS OF LIGHT TO MODERATE SNOW WILL CONTINUE THROUGH TONIGHT. THE SNOW MAY MIX WITH RAIN AT TIMES AROUND THE TOWN OF JACKSON. * TOTAL SNOWFALL...4 TO 8 INCHES WITH LOCALLY HIGHER AMOUNTS IN THE NORTHERN PORTION OF THE VALLEY. * MAIN IMPACT...ROADS AND HIGHWAYS WILL BE SLICK AND SNOW PACKED AND TRAVEL COULD BE DIFFICULT AT TIMES. VISIBILITY COULD BE REDUCED TO UNDER ONE QUARTER MILE IN SNOW AND BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$ WYZ023-042300- /O.EXT.KRIW.WS.W.0005.000000T0000Z-170205T1200Z/ STAR VALLEY- INCLUDING THE CITIES OF...AFTON...ALPINE...STAR VALLEY RANCH... THAYNE 1034 AM MST SAT FEB 4 2017 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 5 AM MST SUNDAY... * TIMING...PERIODS OF LIGHT TO MODERATE SNOW WILL CONTINUE THROUGH TONIGHT. THE SNOW MAY MIX WITH RAIN AT TIMES IN THE LOWER ELEVATIONS. * TOTAL SNOWFALL...4 TO 8 INCHES. * MAIN IMPACT...ROADS AND HIGHWAYS WILL BE SLICK AND SNOW PACKED AND TRAVEL COULD BE DIFFICULT AT TIMES. VISIBILITY COULD BE REDUCED TO UNDER ONE QUARTER MILE IN SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...AND OR BLOWING SNOW ARE EXPECTED OR OCCURRING. THIS COULD MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. IF YOU MUST TRAVEL KEEP SOME FOOD... WATER...AND AN EXTRA FLASHLIGHT IN YOUR VEHICLE IN CASE OF AN EMERGENCY. CHECK THE LATEST ROAD CONDITIONS AT WYOROAD.INFO OR BY DIALING 5 1 1. && $$ WYZ025-042300- /O.EXT.KRIW.WW.Y.0007.000000T0000Z-170205T1200Z/ UPPER GREEN RIVER BASIN FOOTHILLS- INCLUDING THE CITY OF...PINEDALE 1034 AM MST SAT FEB 4 2017 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 5 AM MST SUNDAY... * TIMING...PERIODS OF LIGHT TO MODERATE SNOW WILL CONTINUE THROUGH TONIGHT. * TOTAL SNOWFALL...2 TO 6 INCHES...WITH THE HIGHEST AMOUNTS IN THE WESTERN PORTION OF THE REGION NEAR BONDURANT. * MAIN IMPACT...ROADS AND HIGHWAYS WILL BE SLICK AND SNOW PACKED AND TRAVEL COULD BE DIFFICULT AT TIMES. VISIBILITY COULD BE REDUCED TO UNDER ONE HALF MILE IN SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED AND SLICK ROADS WITH LIMITED VISIBILITIES. SLOW DOWN...AND ALLOW EXTRA TIME TO REACH YOUR DESTINATION. CHECK THE LATEST ROAD CONDITIONS AT WYOROAD.INFO OR BY DIALING 5 1 1. && $$ WYZ016-042300- /O.EXT.KRIW.WW.Y.0007.000000T0000Z-170205T1200Z/ UPPER WIND RIVER BASIN- INCLUDING THE CITY OF...DUBOIS 1034 AM MST SAT FEB 4 2017 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 5 AM MST SUNDAY... * TIMING...PERIODS OF LIGHT TO MODERATE SNOW WILL CONTINUE THROUGH TONIGHT. * TOTAL SNOWFALL...2 TO 6 INCHES OVER THE WESTERN PORTION OF THE BASIN WITH THE HIGHEST AMOUNTS NORTHWEST OF DUBOIS. LITTLE TO NO SNOWFALL IS EXPECTED TO THE SOUTHEAST OF DUBOIS. * MAIN IMPACT...ROADS AND HIGHWAYS WILL BE SLICK AND SNOW PACKED AND TRAVEL COULD BE DIFFICULT AT TIMES. VISIBILITY COULD BE REDUCED TO UNDER ONE HALF MILE IN SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED AND SLICK ROADS WITH LIMITED VISIBILITIES. SLOW DOWN...AND ALLOW EXTRA TIME TO REACH YOUR DESTINATION. CHECK THE LATEST ROAD CONDITIONS AT WYOROAD.INFO OR BY DIALING 5 1 1. && $$
352 WWUS45 KRIW 042147 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 247 PM MST SAT FEB 4 2017 ...MORE SNOW TO RETURN TO WESTERN WYOMING THROUGH TONIGHT... .A STRONG UPPER LEVEL DISTURBANCE WITH AMPLE PACIFIC MOISTURE WILL BRING MODERATE TO HEAVY SNOW TO WESTERN WYOMING THROUGH TONIGHT. WYZ001-051200- /O.CON.KRIW.WS.W.0005.000000T0000Z-170205T1200Z/ YELLOWSTONE NATIONAL PARK- INCLUDING THE CITIES OF...LAKE...MAMMOTH...OLD FAITHFUL 247 PM MST SAT FEB 4 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... * TIMING...PERIODS OF MODERATE TO OCCASIONALLY HEAVY SNOW WILL CONTINUE THROUGH TONIGHT. * SNOWFALL...6 TO 18 INCHES WITH THE HIGHEST AMOUNTS IN THE SOUTHWESTERN MOUNTAINS AND LOWEST AMOUNTS ACROSS THE NORTHERN PORTION OF THE PARK. * MAIN IMPACT...ROADS AND HIGHWAYS WILL BE SLICK AND SNOW PACKED AND TRAVEL COULD BE DIFFICULT AT TIMES. VISIBILITY COULD BE REDUCED TO UNDER ONE QUARTER MILE IN SNOW AND BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$ WYZ012-051200- /O.CON.KRIW.WS.W.0005.000000T0000Z-170205T1200Z/ TETON AND GROS VENTRE MOUNTAINS- 247 PM MST SAT FEB 4 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... * TIMING...PERIODS OF MODERATE TO OCCASIONALLY HEAVY SNOW WILL CONTINUE THROUGH TONIGHT. * TOTAL SNOWFALL...10 TO 18 INCHES. * MAIN IMPACT...ROADS AND HIGHWAYS WILL BE SLICK AND SNOW PACKED AND TRAVEL COULD BE DIFFICULT AT TIMES...INCLUDING TETON AND TOGWOTEE PASSES. VISIBILITY COULD BE REDUCED TO UNDER ONE QUARTER MILE IN SNOW AND BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...AND OR BLOWING SNOW ARE EXPECTED OR OCCURRING. THIS COULD MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. IF YOU MUST TRAVEL KEEP SOME FOOD... WATER...AND AN EXTRA FLASHLIGHT IN YOUR VEHICLE IN CASE OF AN EMERGENCY. CHECK THE LATEST ROAD CONDITIONS AT WYOROAD.INFO OR BY DIALING 5 1 1. && $$ WYZ024-051200- /O.CON.KRIW.WS.W.0005.000000T0000Z-170205T1200Z/ SALT RIVER AND WYOMING RANGES- 247 PM MST SAT FEB 4 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... * TIMING...PERIODS OF MODERATE TO OCCASIONALLY HEAVY SNOW WILL CONTINUE THROUGH TONIGHT. * TOTAL SNOWFALL...8 TO 14 INCHES. * MAIN IMPACT...ROADS AND HIGHWAYS WILL BE SLICK AND SNOW PACKED AND TRAVEL COULD BE DIFFICULT AT TIMES...INCLUDING SALT PASS. VISIBILITY COULD BE REDUCED TO UNDER ONE QUARTER MILE IN SNOW AND BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$ WYZ014-015-051200- /O.CON.KRIW.WS.W.0005.000000T0000Z-170205T1200Z/ WIND RIVER MOUNTAINS WEST-WIND RIVER MOUNTAINS EAST- 247 PM MST SAT FEB 4 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... * TIMING...PERIODS OF MODERATE TO OCCASIONALLY HEAVY SNOW WILL CONTINUE THROUGH TONIGHT. * TOTAL SNOWFALL...6 TO 16 INCHES. * MAIN IMPACT...ROADS AND HIGHWAYS WILL BE SLICK AND SNOW PACKED AND TRAVEL COULD BE DIFFICULT AT TIMES...INCLUDING SOUTH PASS. VISIBILITY COULD BE REDUCED TO UNDER ONE QUARTER MILE IN SNOW AND BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...AND OR BLOWING SNOW ARE EXPECTED OR OCCURRING. THIS COULD MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. IF YOU MUST TRAVEL KEEP SOME FOOD... WATER...AND AN EXTRA FLASHLIGHT IN YOUR VEHICLE IN CASE OF AN EMERGENCY. CHECK THE LATEST ROAD CONDITIONS AT WYOROAD.INFO OR BY DIALING 5 1 1. && $$ WYZ002-051200- /O.CON.KRIW.WS.W.0005.000000T0000Z-170205T1200Z/ ABSAROKA MOUNTAINS- 247 PM MST SAT FEB 4 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... * TIMING...PERIODS OF MODERATE TO OCCASIONALLY HEAVY SNOW WILL CONTINUE THROUGH TONIGHT. * TOTAL SNOWFALL...6 TO 16 INCHES...WITH THE HIGHEST AMOUNTS IN THE SOUTHWEST PORTION OF THE MOUNTAINS AND THE LOWEST AMOUNTS OVER THE EASTERN MOUNTAINS. * MAIN IMPACT...ROADS AND HIGHWAYS WILL BE SLICK AND SNOW PACKED AND TRAVEL COULD BE DIFFICULT AT TIMES. VISIBILITY COULD BE REDUCED TO UNDER ONE QUARTER MILE IN SNOW AND BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$ WYZ013-051200- /O.CON.KRIW.WS.W.0005.000000T0000Z-170205T1200Z/ JACKSON HOLE- INCLUDING THE CITY OF...JACKSON 247 PM MST SAT FEB 4 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... * TIMING...PERIODS OF LIGHT TO MODERATE SNOW WILL CONTINUE THROUGH TONIGHT. THE SNOW MAY MIX WITH RAIN AT TIMES AROUND THE TOWN OF JACKSON. * TOTAL SNOWFALL...4 TO 8 INCHES WITH LOCALLY HIGHER AMOUNTS IN THE NORTHERN PORTION OF THE VALLEY. * MAIN IMPACT...ROADS AND HIGHWAYS WILL BE SLICK AND SNOW PACKED AND TRAVEL COULD BE DIFFICULT AT TIMES. VISIBILITY COULD BE REDUCED TO UNDER ONE QUARTER MILE IN SNOW AND BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...AND OR BLOWING SNOW ARE EXPECTED OR OCCURRING. THIS COULD MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. IF YOU MUST TRAVEL KEEP SOME FOOD... WATER...AND AN EXTRA FLASHLIGHT IN YOUR VEHICLE IN CASE OF AN EMERGENCY. CHECK THE LATEST ROAD CONDITIONS AT WYOROAD.INFO OR BY DIALING 5 1 1. && $$ WYZ023-051200- /O.CON.KRIW.WS.W.0005.000000T0000Z-170205T1200Z/ STAR VALLEY- INCLUDING THE CITIES OF...AFTON...ALPINE...STAR VALLEY RANCH... THAYNE 247 PM MST SAT FEB 4 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... * TIMING...PERIODS OF LIGHT TO MODERATE SNOW WILL CONTINUE THROUGH TONIGHT. THE SNOW MAY MIX WITH RAIN AT TIMES IN THE LOWER ELEVATIONS. * TOTAL SNOWFALL...4 TO 8 INCHES. * MAIN IMPACT...ROADS AND HIGHWAYS WILL BE SLICK AND SNOW PACKED AND TRAVEL COULD BE DIFFICULT AT TIMES. VISIBILITY COULD BE REDUCED TO UNDER ONE QUARTER MILE IN SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$ WYZ025-051200- /O.CON.KRIW.WW.Y.0007.000000T0000Z-170205T1200Z/ UPPER GREEN RIVER BASIN FOOTHILLS- INCLUDING THE CITY OF...PINEDALE 247 PM MST SAT FEB 4 2017 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... * TIMING...PERIODS OF LIGHT TO MODERATE SNOW WILL CONTINUE THROUGH TONIGHT. * TOTAL SNOWFALL...2 TO 6 INCHES...WITH THE HIGHEST AMOUNTS IN THE WESTERN PORTION OF THE REGION NEAR BONDURANT. * MAIN IMPACT...ROADS AND HIGHWAYS WILL BE SLICK AND SNOW PACKED AND TRAVEL COULD BE DIFFICULT AT TIMES. VISIBILITY COULD BE REDUCED TO UNDER ONE HALF MILE IN SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED AND SLICK ROADS WITH LIMITED VISIBILITIES. SLOW DOWN...AND ALLOW EXTRA TIME TO REACH YOUR DESTINATION. CHECK THE LATEST ROAD CONDITIONS AT WYOROAD.INFO OR BY DIALING 5 1 1. && $$ WYZ016-051200- /O.CON.KRIW.WW.Y.0007.000000T0000Z-170205T1200Z/ UPPER WIND RIVER BASIN- INCLUDING THE CITY OF...DUBOIS 247 PM MST SAT FEB 4 2017 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... * TIMING...PERIODS OF LIGHT TO MODERATE SNOW WILL CONTINUE THROUGH TONIGHT. * TOTAL SNOWFALL...2 TO 6 INCHES OVER THE WESTERN PORTION OF THE BASIN WITH THE HIGHEST AMOUNTS NORTHWEST OF DUBOIS. LITTLE TO NO SNOWFALL IS EXPECTED TO THE SOUTHEAST OF DUBOIS. * MAIN IMPACT...ROADS AND HIGHWAYS WILL BE SLICK AND SNOW PACKED AND TRAVEL COULD BE DIFFICULT AT TIMES. VISIBILITY COULD BE REDUCED TO UNDER ONE HALF MILE IN SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED AND SLICK ROADS WITH LIMITED VISIBILITIES. SLOW DOWN...AND ALLOW EXTRA TIME TO REACH YOUR DESTINATION. CHECK THE LATEST ROAD CONDITIONS AT WYOROAD.INFO OR BY DIALING 5 1 1. && $$
887 WWUS45 KRIW 050218 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 718 PM MST SAT FEB 4 2017 ...MORE SNOW TO RETURN TO WESTERN WYOMING THROUGH TONIGHT... .A STRONG UPPER LEVEL DISTURBANCE WITH AMPLE PACIFIC MOISTURE WILL BRING MODERATE TO HEAVY SNOW TO WESTERN WYOMING THROUGH TONIGHT. WYZ001-051200- /O.CON.KRIW.WS.W.0005.000000T0000Z-170205T1200Z/ YELLOWSTONE NATIONAL PARK- INCLUDING THE CITIES OF...LAKE...MAMMOTH...OLD FAITHFUL 718 PM MST SAT FEB 4 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... * TIMING...PERIODS OF MODERATE TO OCCASIONALLY HEAVY SNOW WILL CONTINUE THROUGH TONIGHT. * SNOWFALL...6 TO 18 INCHES WITH THE HIGHEST AMOUNTS IN THE SOUTHWESTERN MOUNTAINS AND LOWEST AMOUNTS ACROSS THE NORTHERN PORTION OF THE PARK. * MAIN IMPACT...ROADS AND HIGHWAYS WILL BE SLICK AND SNOW PACKED AND TRAVEL COULD BE DIFFICULT AT TIMES. VISIBILITY COULD BE REDUCED TO UNDER ONE QUARTER MILE IN SNOW AND BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...AND OR BLOWING SNOW ARE EXPECTED OR OCCURRING. THIS COULD MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. IF YOU MUST TRAVEL KEEP SOME FOOD... WATER...AND AN EXTRA FLASHLIGHT IN YOUR VEHICLE IN CASE OF AN EMERGENCY. CHECK THE LATEST ROAD CONDITIONS AT WYOROAD.INFO OR BY DIALING 5 1 1. && $$ WYZ012-051200- /O.CON.KRIW.WS.W.0005.000000T0000Z-170205T1200Z/ TETON AND GROS VENTRE MOUNTAINS- 718 PM MST SAT FEB 4 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... * TIMING...PERIODS OF MODERATE TO OCCASIONALLY HEAVY SNOW WILL CONTINUE THROUGH TONIGHT. * TOTAL SNOWFALL...10 TO 18 INCHES. * MAIN IMPACT...ROADS AND HIGHWAYS WILL BE SLICK AND SNOW PACKED AND TRAVEL COULD BE DIFFICULT AT TIMES...INCLUDING TETON AND TOGWOTEE PASSES. VISIBILITY COULD BE REDUCED TO UNDER ONE QUARTER MILE IN SNOW AND BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$ WYZ024-051200- /O.CON.KRIW.WS.W.0005.000000T0000Z-170205T1200Z/ SALT RIVER AND WYOMING RANGES- 718 PM MST SAT FEB 4 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... * TIMING...PERIODS OF MODERATE TO OCCASIONALLY HEAVY SNOW WILL CONTINUE THROUGH TONIGHT. * TOTAL SNOWFALL...8 TO 14 INCHES. * MAIN IMPACT...ROADS AND HIGHWAYS WILL BE SLICK AND SNOW PACKED AND TRAVEL COULD BE DIFFICULT AT TIMES...INCLUDING SALT PASS. VISIBILITY COULD BE REDUCED TO UNDER ONE QUARTER MILE IN SNOW AND BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...AND OR BLOWING SNOW ARE EXPECTED OR OCCURRING. THIS COULD MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. IF YOU MUST TRAVEL KEEP SOME FOOD... WATER...AND AN EXTRA FLASHLIGHT IN YOUR VEHICLE IN CASE OF AN EMERGENCY. CHECK THE LATEST ROAD CONDITIONS AT WYOROAD.INFO OR BY DIALING 5 1 1. && $$ WYZ014-015-051200- /O.CON.KRIW.WS.W.0005.000000T0000Z-170205T1200Z/ WIND RIVER MOUNTAINS WEST-WIND RIVER MOUNTAINS EAST- 718 PM MST SAT FEB 4 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... * SOUTH PASS IS CLOSED AS OF 700 PM. CHECK THE LATEST ROAD CONDITIONS AT WYOROAD.INFO OR BY DIALING 5 1 1. * TIMING...PERIODS OF MODERATE TO OCCASIONALLY HEAVY SNOW WILL CONTINUE THROUGH TONIGHT. * TOTAL SNOWFALL...8 TO 16 INCHES. * MAIN IMPACT...ROADS AND HIGHWAYS WILL BE SLICK AND SNOW PACKED AND TRAVEL COULD BE DIFFICULT AT TIMES...INCLUDING SOUTH PASS. SOUTHWEST WIND OF 25 TO 35 MPH WILL OCCUR OVER SOUTH PASS WITH GUSTS TO 45 MPH AND THIS WILL REDUCE VISIBILITY TO UNDER ONE QUARTER MILE IN SNOW AND BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$ WYZ002-051200- /O.CON.KRIW.WS.W.0005.000000T0000Z-170205T1200Z/ ABSAROKA MOUNTAINS- 718 PM MST SAT FEB 4 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... * TIMING...PERIODS OF MODERATE TO OCCASIONALLY HEAVY SNOW WILL CONTINUE THROUGH TONIGHT. * TOTAL SNOWFALL...6 TO 16 INCHES...WITH THE HIGHEST AMOUNTS IN THE SOUTHWEST PORTION OF THE MOUNTAINS AND THE LOWEST AMOUNTS OVER THE EASTERN MOUNTAINS. * MAIN IMPACT...ROADS AND HIGHWAYS WILL BE SLICK AND SNOW PACKED AND TRAVEL COULD BE DIFFICULT AT TIMES. VISIBILITY COULD BE REDUCED TO UNDER ONE QUARTER MILE IN SNOW AND BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...AND OR BLOWING SNOW ARE EXPECTED OR OCCURRING. THIS COULD MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. IF YOU MUST TRAVEL KEEP SOME FOOD... WATER...AND AN EXTRA FLASHLIGHT IN YOUR VEHICLE IN CASE OF AN EMERGENCY. CHECK THE LATEST ROAD CONDITIONS AT WYOROAD.INFO OR BY DIALING 5 1 1. && $$ WYZ013-051200- /O.CON.KRIW.WS.W.0005.000000T0000Z-170205T1200Z/ JACKSON HOLE- INCLUDING THE CITY OF...JACKSON 718 PM MST SAT FEB 4 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... * TIMING...PERIODS OF LIGHT TO MODERATE SNOW WILL CONTINUE THROUGH TONIGHT. THE SNOW MAY MIX WITH RAIN AT TIMES AROUND THE TOWN OF JACKSON. * TOTAL SNOWFALL...4 TO 8 INCHES WITH LOCALLY HIGHER AMOUNTS IN THE NORTHERN PORTION OF THE VALLEY. * MAIN IMPACT...ROADS AND HIGHWAYS WILL BE SLICK AND SNOW PACKED AND TRAVEL COULD BE DIFFICULT AT TIMES. VISIBILITY COULD BE REDUCED TO UNDER ONE QUARTER MILE IN SNOW AND BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$ WYZ023-051200- /O.CON.KRIW.WS.W.0005.000000T0000Z-170205T1200Z/ STAR VALLEY- INCLUDING THE CITIES OF...AFTON...ALPINE...STAR VALLEY RANCH... THAYNE 718 PM MST SAT FEB 4 2017 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... * TIMING...PERIODS OF LIGHT TO MODERATE SNOW WILL CONTINUE THROUGH TONIGHT. THE SNOW MAY MIX WITH RAIN AT TIMES IN THE LOWER ELEVATIONS. * TOTAL SNOWFALL...4 TO 8 INCHES. * MAIN IMPACT...ROADS AND HIGHWAYS WILL BE SLICK AND SNOW PACKED AND TRAVEL COULD BE DIFFICULT AT TIMES. VISIBILITY COULD BE REDUCED TO UNDER ONE QUARTER MILE IN SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...AND OR BLOWING SNOW ARE EXPECTED OR OCCURRING. THIS COULD MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. IF YOU MUST TRAVEL KEEP SOME FOOD... WATER...AND AN EXTRA FLASHLIGHT IN YOUR VEHICLE IN CASE OF AN EMERGENCY. CHECK THE LATEST ROAD CONDITIONS AT WYOROAD.INFO OR BY DIALING 5 1 1. && $$ WYZ025-051200- /O.CON.KRIW.WW.Y.0007.000000T0000Z-170205T1200Z/ UPPER GREEN RIVER BASIN FOOTHILLS- INCLUDING THE CITY OF...PINEDALE 718 PM MST SAT FEB 4 2017 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... * TIMING...PERIODS OF LIGHT TO MODERATE SNOW WILL CONTINUE THROUGH TONIGHT. * TOTAL SNOWFALL...2 TO 6 INCHES...WITH THE HIGHEST AMOUNTS IN THE WESTERN PORTION OF THE REGION NEAR BONDURANT. * MAIN IMPACT...ROADS AND HIGHWAYS WILL BE SLICK AND SNOW PACKED AND TRAVEL COULD BE DIFFICULT AT TIMES. VISIBILITY COULD BE REDUCED TO UNDER ONE HALF MILE IN SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED AND SLICK ROADS WITH LIMITED VISIBILITIES. SLOW DOWN...AND ALLOW EXTRA TIME TO REACH YOUR DESTINATION. CHECK THE LATEST ROAD CONDITIONS AT WYOROAD.INFO OR BY DIALING 5 1 1. && $$ WYZ016-051200- /O.CON.KRIW.WW.Y.0007.000000T0000Z-170205T1200Z/ UPPER WIND RIVER BASIN- INCLUDING THE CITY OF...DUBOIS 718 PM MST SAT FEB 4 2017 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... * TIMING...PERIODS OF LIGHT TO MODERATE SNOW WILL CONTINUE THROUGH TONIGHT. * TOTAL SNOWFALL...2 TO 6 INCHES OVER THE WESTERN PORTION OF THE BASIN WITH THE HIGHEST AMOUNTS NORTHWEST OF DUBOIS. LITTLE TO NO SNOWFALL IS EXPECTED TO THE SOUTHEAST OF DUBOIS. * MAIN IMPACT...ROADS AND HIGHWAYS WILL BE SLICK AND SNOW PACKED AND TRAVEL COULD BE DIFFICULT AT TIMES. VISIBILITY COULD BE REDUCED TO UNDER ONE HALF MILE IN SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED AND SLICK ROADS WITH LIMITED VISIBILITIES. SLOW DOWN...AND ALLOW EXTRA TIME TO REACH YOUR DESTINATION. CHECK THE LATEST ROAD CONDITIONS AT WYOROAD.INFO OR BY DIALING 5 1 1. && $$
467 WWUS45 KRIW 050907 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 207 AM MST SUN FEB 5 2017 ...MORE SNOW FOR THE WESTERN MOUNTAINS... .THE HEAVY SNOW IS JUST ABOUT OVER. THEREFORE...THE WINTER STORM WARNING HAS BEEN CANCELLED. HOWEVER...PERIODS OF MAINLY LIGHT SNOW WILL CONTINUE TODAY. ANOTHER PACIFIC SYSTEM WILL MOVE IN LATE TONIGHT THROUGH MONDAY NIGHT WITH ANOTHER BOUT OF MODERATE TO HEAVY SNOW POSSIBLE. WYZ013-023-052300- /O.CAN.KRIW.WS.W.0005.000000T0000Z-170205T1200Z/ /O.NEW.KRIW.WS.A.0008.170206T0700Z-170207T1000Z/ JACKSON HOLE-STAR VALLEY- INCLUDING THE CITIES OF...JACKSON...AFTON...ALPINE... STAR VALLEY RANCH...THAYNE 207 AM MST SUN FEB 5 2017 ...WINTER STORM WATCH IN EFFECT FROM LATE TONIGHT THROUGH LATE MONDAY NIGHT... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER STORM WATCH...WHICH IS IN EFFECT FROM LATE TONIGHT THROUGH LATE MONDAY NIGHT. THE WINTER STORM WARNING HAS BEEN CANCELLED. * TIMING...MAINLY LIGHT SNOW WILL FALL TODAY. MODERATE TO HEAVY SNOW MAY DEVELOP LATE TONIGHT AND CONTINUE INTO MONDAY AND MONDAY NIGHT. * TOTAL SNOWFALL...5 TO 9 INCHES FROM LATE TONIGHT TO MONDAY NIGHT. * MAIN IMPACT...ROADS AND HIGHWAYS WILL BE SLICK AND SNOW PACKED AND TRAVEL COULD BE DIFFICULT AT TIMES. VISIBILITY COULD BE REDUCED TO UNDER ONE QUARTER MILE IN 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. && $$ WYZ001-002-012-014-015-024-052300- /O.CAN.KRIW.WS.W.0005.000000T0000Z-170205T1200Z/ /O.NEW.KRIW.WS.A.0008.170206T0700Z-170207T1000Z/ YELLOWSTONE NATIONAL PARK-ABSAROKA MOUNTAINS- TETON AND GROS VENTRE MOUNTAINS-WIND RIVER MOUNTAINS WEST- WIND RIVER MOUNTAINS EAST-SALT RIVER AND WYOMING RANGES- INCLUDING THE CITIES OF...LAKE...MAMMOTH...OLD FAITHFUL 207 AM MST SUN FEB 5 2017 ...WINTER STORM WATCH IN EFFECT FROM LATE TONIGHT THROUGH LATE MONDAY NIGHT... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER STORM WATCH...WHICH IS IN EFFECT FROM LATE TONIGHT THROUGH LATE MONDAY NIGHT. THE WINTER STORM WARNING HAS BEEN CANCELLED. * TIMING...MAINLY LIGHT SNOW WILL FALL TODAY. MODERATE TO HEAVY SNOW MAY DEVELOP LATE TONIGHT AND CONTINUE INTO MONDAY AND MONDAY NIGHT. * TOTAL SNOWFALL...8 TO 16 INCHES FROM LATE TONIGHT THROUGH MONDAY NIGHT. * MAIN IMPACT...ROADS AND HIGHWAYS WILL BE SLICK AND SNOW PACKED AND TRAVEL COULD BE DIFFICULT AT TIMES...INCLUDING SALT PASS. VISIBILITY COULD BE REDUCED TO UNDER ONE QUARTER MILE IN SNOW AND BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW AND/OR BLOWING SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$ WYZ016-025-051015- /O.CAN.KRIW.WW.Y.0007.000000T0000Z-170205T1200Z/ UPPER WIND RIVER BASIN-UPPER GREEN RIVER BASIN FOOTHILLS- INCLUDING THE CITIES OF...DUBOIS...PINEDALE 207 AM MST SUN FEB 5 2017 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS CANCELLED THE WINTER WEATHER ADVISORY. HEAVY SNOW HAS ENDED FOR THE MOST PART. ONLY LIGHT ACCUMULATIONS OF ADDITIONAL SNOW ARE EXPECTED TODAY. $$
What forecasters said that day
The local office's own words before this winter storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Riverton, WY wrote its last area forecast discussion before this winter storm warning went out at Feb 3, 10:52 AM MST, 49 minutes earlier.
Area forecast discussion, Feb 3, 10:52 AM MST, 49 minutes before
Area Forecast Discussion National Weather Service Riverton WY 1052 AM MST Fri Feb 3 2017 .SHORT TERM...Friday through Sunday night With the contrast in conditions...we will split the discussion into West and East of the Divide this morning. Active weather will continue across the area into the weekend. As of now we are in a relative lull with the snow stopped temporarily for the most part in all areas. However, the break will not be long as another in a train of shortwaves with ample Pacific moisture move into western Wyoming. Some snow will return this afternoon. However, at this time it appears that the heaviest snow will hold off until tonight and especially later tonight and Saturday morning as an approaching trough, trough axis and the best dynamics move through the area. Many areas have a good chance to see warning level amounts so we will hoist winter storm watches across much of the area. A few other areas may see advisory level amounts but since snow should wait until this evening to start, we will let the day crew make the final call on that. There is some warmer air moving into the area for Saturday though. The MOS guidance has Jackson climbing to around 40. Right now, the 700 millibar temperatures do not support that however. For now, we have a bit of mix in the valleys Saturday afternoon but confidence on any rain is fairly low at this time. There should be a let up in the snow Saturday evening into Saturday night. However, some light snow will likely continue right into Sunday as another, although weaker shortwave moves through the area. The models do show another break Sunday afternoon into Sunday evening. Yet another system may move back in for later Sunday night. However, there are some intensity and timing issues this far out so we went middle of the road at this time until greater model consensus is reached. East of the Divide... First, as for snow through the weekend, this will not be a concern expect for the mountains. Strong downsloping flow should keep most areas mainly dry. However, like so many times this winter, the concern here will shift from snow to wind. There should not be too much wind this morning. The story this morning will be the cold temperatures with the sky clearing in many areas and some fresh snow cover increasing the albedo across the area. However, with the system approaching from the west the pressure gradient will tighten and mid level winds will increase through the day. Across the Cody Foothills, the models show the 700 millibar winds increasing to 60 to 65 knots tonight into Saturday. With the trough passage helping to increase downward forcing, we will hoist a high wind watch across the area with the main impact near the crossroads of the Universe. There could be more high wind on Sunday as well as another shortwave passes as well. The wind will also increase across the southwestern wind corridor from Rock Springs through Casper. The 700 millibar winds to climb to around 50 knots. However, with the direction more west-northwesterly rather than the favored southwest, most areas should remain below high wind criteria. It will turn quite blustery late today and especially tonight and through much of the weekend. This will also mix the atmosphere and bring a moderation of temperatures with above normal temperatures possible for the areas that mix. And this brings us the next question, will some of the Basins and deeper Valleys be able to mix out. Today, the answer is no and we kept temperatures well below guidance as a result as winds are expected to remain fairly light. The question is for Saturday. The NAM is especially bullish showing a high of 56 in Riverton for Saturday. As for my opinion on this, the NAM appears to be drunk with this, especially given the deep snow cover in many areas. The GFS looks more reasonable with high temperatures but even it looks too warm. As a result, we kept things cool. If it does get warmer, given the recent cold weather most people will be happy. Cooler temperatures will then return for Sunday. However, with the Pacific origin of the air, temperatures will not be too cool. .LONG TERM...Monday through Friday The parade of winter storms will continue on Monday. A quick moving shortwave in a moist westerly flow in combination with some left front dynamics associated with an upper jet Monday/Monday night should result in another good shot of significant snowfall across the west. East of the Divide, a quasi-stationary cold front over central/southern Montana and western south Dakota Monday is expected to shift southwest into the area Monday night/Tuesday. The southwest advancement of this Arctic cold front is being impeded by strong westerly flow aloft, and models are having difficulty on how much of the area east of the Divide will be impacted. Areas west of the Divide will be spared from this cold air. Regardless of location, Monday looks to be dry and windy east of the Divide. However by Monday night and Tuesday some snowfall could occur east, but not on the scale expected over the west Monday and Monday night. 00Z model guidance are progging a brief break in the snowfall over the west Tuesday with main forecast challenge being placement of Arctic cold front east of the Divide. Tuesday night and Wednesday, models show a strong, moist west northwest flow across the area which should bring another round of snowfall to the west. However models are lighter with the snowfall than compared to previous systems leading up to this event. Some of this snowfall could spill east of the Divide Wednesday. A well amplified transitory ridge is expected to move across the area Thursday with mainly dry conditions. The main forecast challenge will be temperatures east of the Divide. Although the Arctic cold front is expected to be north and/or west of the forecast area, there is a chance of trapped basins remaining much cooler than forecast. The endless stream of Pacific storms send another potential storm system into the area Friday, mainly impacting the west. 700mb temperatures over the west are being progged to be -2 to -4C which could translate to some rain in the western valleys. Dry, mild and breezy east of the Divide. .AVIATION.../18Z ISSUANCE/ West of the Divide...KBPI/KJAC/KPNA/KRKS Terminals Scattered light snow in the west through this afternoon with areas of MVFR ceilings. Then the snow will increase during the afternoon with snow continuing through tonight. MVFR to IFR conditions will be common by 03Z in the west with mountains obscured. The snow and ifr ceilings will spread across southern WY including the KRKS airport where snow is expected around 04z continuing through tonight and Saturday morning. Areas of low level wind shear will be found over and near the east slopes of the Teton, Gros Ventre, Wyoming and Salt River mountains through the period. East of the Divide...KCOD/KCPR/KLND/KRIW/KWRL Terminals VFR conditions are to prevail through tonight. Areas of low clouds or fog will occur through 21Z with MVFR conditions in the lower areas of the Big Horn basin and Wind River basin. The wind will be increasing at KCPR airport this afternoon and windy conditions will occur tonight. Areas of low level wind shear will be found over and near the east slopes of the Absaroka and Wind River mountains through the period. .FIRE WEATHER... Periods of snow will continue across western Wyoming, especially northwestern Wyoming through the weekend. Meanwhile, East of the Divide mainly dry conditions are expected with the exception of the mountains. There will be warmer temperatures today with the warmest day on Saturday. Windy conditions are likely Friday night and into the weekend in the favored areas like in the Lee of the Absarokas and from the Red Desert through Natrona County. && .RIW WATCHES/WARNINGS/ADVISORIES... Winter Storm Watch from 5 PM MST this afternoon through Saturday evening for WYZ001-002-012>015-023-024. High Wind Watch from 8 PM MST this evening through Saturday afternoon for WYZ003. && SHORT TERM...Hattings LONG TERM...WM AVIATION...C.Baker FIRE WEATHER...Hattings
Hazardous weather outlook, Feb 3, 3:08 AM MST, 8 hours 33 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE RIVERTON WY 308 AM MST FRI FEB 3 2017 WYZ001>020-022>030-041300- YELLOWSTONE NATIONAL PARK-ABSAROKA MOUNTAINS-CODY FOOTHILLS- NORTH BIG HORN BASIN-SOUTHWEST BIG HORN BASIN- SOUTHEAST BIG HORN BASIN-OWL CREEK AND BRIDGER MOUNTAINS- BIGHORN MOUNTAINS WEST-BIGHORN MOUNTAINS SOUTHEAST- NORTHEAST JOHNSON COUNTY-SOUTHEAST JOHNSON COUNTY- TETON AND GROS VENTRE MOUNTAINS-JACKSON HOLE- WIND RIVER MOUNTAINS WEST-WIND RIVER MOUNTAINS EAST- UPPER WIND RIVER BASIN-WIND RIVER BASIN-LANDER FOOTHILLS- GREEN MOUNTAINS AND RATTLESNAKE RANGE- NATRONA COUNTY LOWER ELEVATIONS-CASPER MOUNTAIN-STAR VALLEY- SALT RIVER AND WYOMING RANGES-UPPER GREEN RIVER BASIN FOOTHILLS- UPPER GREEN RIVER BASIN-SOUTH LINCOLN COUNTY- ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE-EAST SWEETWATER COUNTY- 308 AM MST FRI FEB 3 2017 ...WINTER STORM WATCHES IN EFFECT FOR MUCH OF THE WEST TONIGHT INTO SATURDAY NIGHT... ...HIGH WIND WATCH FOR THE CODY FOOTHILLS TONIGHT AND SATURDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND CENTRAL WYOMING. .DAY ONE...TODAY AND TONIGHT MODERATE TO HEAVY SNOW RETURNING TO THE WEST LATER TODAY AND TONIGHT. PLEASE SEE WINTER WEATHER PRODUCTS AND FORECASTS FOR DETAILS. HIGH WIND POSSIBLE IN THE LEE OF THE ABSAROKAS TONIGHT. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY SATURDAY AND SUNDAY...MORE SNOW LIKELY IN THE WEST. STRONG WINDS POSSIBLE IN THE LEE OF THE ABSAROKAS AND FROM THE RED DESERT THROUGH CASPER. MONDAY AND MONDAY NIGHT...SIGNIFICANT SNOW LIKELY ACROSS THE WEST. WINDY TO STRONG WIND POSSIBLE ACROSS THE WIND CORRIDOR FROM ROCK SPRINGS TO CASPER, MOUNTAINS AND SOME ADJACENT FOOTHILLS EAST OF THE DIVIDE. TUESDAY NIGHT AND WEDNESDAY...LIGHT TO MODERATE SNOW RETURNS TO WESTERN WYOMING. .SPOTTER INFORMATION STATEMENT... SPOTTERS ARE ENCOURAGED TO REPORT SNOWFALL AMOUNTS. THANK YOU.
The office that day
Everything else NWS Riverton, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 3, 1:45 AM MST | High Wind Watch | RIW | Park | 10 hr |
| Feb 3, 1:57 AM MST | Winter Storm Watch | RIW | Fremont, Hot Springs, Lincoln, Park, Sublette, Teton | 10 hr |
| Feb 3, 11:41 AM MST | Winter Weather Advisory | RIW | Fremont, Sublette | 38 hr |
| Feb 3, 11:55 AM MST | High Wind Warning | RIW | Fremont, Natrona, Park, Sweetwater | 4 days |
Nearby
Winter Storm Warnings in Wyoming, 2017Every winter storm warning in 2017
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.