Alert archive / Wyoming / Winter Storm Warnings in 2016
Winter Storm Warning 11, NWS Riverton, WY
NWS Riverton, WY issued this winter storm warning at Oct 17, 2016, 12:56 AM MDT for Fremont County, Lincoln County, Sublette County, Wyoming. It was in force for 11 hr. 35 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
- Oct 17, 2016, 12:56 AM MDT (06:56 UTC)
- Expired
- Oct 17, 2016, 12:23 PM MDT
- In force
- 11 hr
- Issued by
- NWS Riverton, WY
Counties Fremont County, WY, Lincoln County, WY, Sublette County, WY
The radar
The Riverton/Lander radar (KRIW), 111 km from the middle of the area, began a volume at 06:56 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 |
|---|---|---|---|
| Oct 17, 7:00 AM MDT | HEAVY SNOW 6 | 16 Sw Dubois, WY | GUNSITE PASS SNOTEL |
| Oct 17, 7:00 AM MDT | HEAVY SNOW 6 | 22 N Cora, WY | KENDALL RANGER STATION SNOTEL |
| Oct 17, 7:00 AM MDT | HEAVY SNOW 7 | 14 E Bondurant, WY | LOOMIS PARK SNOTEL |
| Oct 17, 7:00 AM MDT | HEAVY SNOW 10 | 12 Nne Pinedale, WY | ELKHART PARK G.S. SNOTEL |
| Oct 17, 7:00 AM MDT | HEAVY SNOW 10 | 24 Ese Boulder, WY | BIG SANDY OPENING SNOTEL |
| Oct 17, 7:01 AM MDT | SNOW 3 | 6 Wsw Dubois, WY | LITTLE WARM SNOTEL |
| Oct 17, 7:01 AM MDT | SNOW 4 | 7 Nw Atlantic City, WY | SOUTH PASS SNOTEL |
| Oct 17, 7:01 AM MDT | HEAVY SNOW 6 | 14 W Crowheart, WY | COLD SPRINGS SNOTEL |
| Oct 17, 7:01 AM MDT | HEAVY SNOW 6 | 26 Nw Lander, WY | ST. LAWRENCE ALT SNOTEL |
| Oct 17, 7:01 AM MDT | HEAVY SNOW 7 | 19 Ssw Lander, WY | DEER PARK SNOTEL |
| Oct 17, 7:01 AM MDT | HEAVY SNOW 7 | 25 Sw Lander, WY | LARSEN CREEK SNOTEL |
| Oct 17, 7:01 AM MDT | HEAVY SNOW 8 | 12 N Cora, WY | NEW FORK LAKE SNOTEL |
| Oct 17, 7:01 AM MDT | HEAVY SNOW 9 | 18 W Lander, WY | HOBBS PARK SNOTEL |
| Oct 17, 7:01 AM MDT | HEAVY SNOW 13 | 16 E Boulder, WY | POCKET CREEK SNOTEL |
| Oct 17, 7:02 AM MDT | HEAVY SNOW 7 | 12 Sw Lander, WY | TOWNSEND CREEK SNOTEL |
| Oct 17, 7:02 AM MDT | HEAVY SNOW 7 | 26 N Kemmerer, WY | HAMS FORK SNOTEL |
| Oct 17, 7:02 AM MDT | HEAVY SNOW 8 | 19 Sw Bondurant, WY | BLIND BULL SUMMIT SNOTEL |
| Oct 17, 7:02 AM MDT | HEAVY SNOW 13 | 8 Se Afton, WY | COTTONWOOD CREEK SNOTEL |
| Oct 17, 7:03 AM MDT | HEAVY SNOW 10 | 17 E Afton, WY | TRIPLE PEAK SNOTEL |
| Oct 17, 7:03 AM MDT | HEAVY SNOW 10 | 8 Ne Afton, WY | WILLOW CREEK SNOTEL |
| Oct 17, 7:03 AM MDT | HEAVY SNOW 11 | 15 Nne Cokeville, WY | KELLEY RANGER STATION SNOTEL |
| Oct 17, 7:03 AM MDT | HEAVY SNOW 12 | 15 S Afton, WY | SALT RIVER SUMMIT SNOTEL |
| Oct 17, 7:03 AM MDT | HEAVY SNOW 13 | 21 W Big Piney, WY | SNIDER BASIN SNOTEL |
| Oct 17, 7:03 AM MDT | HEAVY SNOW 13 | 36 N Kemmerer, WY | INDIAN CREEK SNOTEL |
| Oct 17, 7:03 AM MDT | HEAVY SNOW 16 | 19 Se Afton, WY | SPRING CREEK DIVIDE SNOTEL |
| Oct 17, 7:04 AM MDT | HEAVY SNOW 8 | 12 Ese Bondurant, WY | EAST RIM DIVIDE SNOTEL |
| Oct 17, 7:09 AM MDT | HEAVY SNOW 12 | Pinedale, WY | |
| Oct 17, 7:11 AM MDT | HEAVY SNOW 15 | 15 Wnw Daniel, WY | |
| Oct 17, 7:14 AM MDT | HEAVY SNOW 14 | 14 Nw Pinedale, WY | |
| Oct 17, 7:40 AM MDT | SNOW 3.5 | 2 Se Thayne, WY | |
| Oct 17, 7:41 AM MDT | HEAVY SNOW 14.3 | Pinedale, WY | |
| Oct 17, 7:45 AM MDT | HEAVY SNOW 15 | 17.2 E Thayne, WY | BLIND BULL SUMMIT |
| Oct 17, 7:45 AM MDT | HEAVY SNOW 15 | Commissary Ridge, WY | |
| Oct 17, 7:46 AM MDT | HEAVY SNOW 7 | 14.3 E Thayne, WY | BOX Y RANCH |
| Oct 17, 7:47 AM MDT | HEAVY SNOW 7 | 5 Nne Thayne, 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 00:00Z, 6.9 hours before the alert went out and 117 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
- 2303 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- -97 m²/s²
- 0-3 km storm-relative helicity
- -97 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
110 WWUS45 KRIW 170656 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 1256 AM MDT MON OCT 17 2016 ...SNOW RETURNS TO THE MOUNTAINS ALONG AND WEST OF THE DIVIDE TODAY... .A VIGOROUS UPPER LEVEL STORM SYSTEM WILL STRENGTHEN OVER THE SOUTHWEST THIS MORNING AND LIFT NORTHWARD TO COVER ALL OF THE WESTERN MOUNTAINS OVERNIGHT AND THROUGH THE DAY MONDAY. SNOW LEVELS HAVE DROPPED TO THE VALLEY FLOORS. HEAVIEST SNOWFALL EXPECTED THROUGH THE MORNING HOURS...TAPERING OFF IN THE AFTERNOON. WYZ023-172200- /O.UPG.KRIW.WW.Y.0029.000000T0000Z-161018T0000Z/ /O.NEW.KRIW.WS.W.0011.161017T0656Z-161018T0000Z/ STAR VALLEY- INCLUDING THE CITIES OF...AFTON...ALPINE...STAR VALLEY RANCH... THAYNE 1256 AM MDT MON OCT 17 2016 ...WINTER STORM WARNING IN EFFECT UNTIL 6 PM MDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT UNTIL 6 PM MDT THIS EVENING. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. * TIMING...MODERATE TO HEAVY WET SNOW WILL CONTINUE THIS MORNING...WITH LIGHT TO MODERATE SNOW CONTINUING LATER THIS MORNING AND AFTERNOON. UP TO 5 INCHES OF NEW SNOW HAS ALREADY FALLEN ACROSS SOME AREAS OF THE VALLEY. * SNOWFALL AMOUNTS...6 TO 12 INCHES BY THIS EVENING. * WIND AND VISIBILITY...VARIABLE WIND 10 TO 15 MPH. VISIBILITY WILL BE REDUCED TO UNDER ONE HALF MILE AT TIMES IN SNOW AND BLOWING SNOW. * MAIN IMPACT...HUNTERS AND OTHER OUTDOOR ENTHUSIASTS SHOULD BE PREPARED FOR WET SNOW AND COLD TEMPERATURES. TREES WITH LEAVES MAY HAVE BROKEN LIMBS. ROADS WILL BECOME SNOW COVERED, SLUSHY AND SLICK. 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. && $$ WYZ024-172200- /O.UPG.KRIW.WW.Y.0029.000000T0000Z-161018T0000Z/ /O.NEW.KRIW.WS.W.0011.161017T0656Z-161018T0000Z/ SALT RIVER AND WYOMING RANGES- 1256 AM MDT MON OCT 17 2016 ...WINTER STORM WARNING IN EFFECT UNTIL 6 PM MDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT UNTIL 6 PM MDT THIS EVENING. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. * TIMING...MODERATE TO HEAVY WET SNOW IS ALREADY FALLING ACROSS THE AREA AND WILL BE HEAVY AT TIMES THROUGH THE MORNING HOURS WITH LIGHT TO MODERATE SNOW CONTINUING INTO THE AFTERNOON. SNOWFALL RATES OVER AN INCH PER HOUR ARE POSSIBLE AT TIMES DURING THE OVERNIGHT HOURS. * SNOWFALL AMOUNTS...9 TO 16 INCHES WITH LOCALIZED AREAS SEEING UP TO 18 INCHES ABOVE 7000 FEET. * WIND AND VISIBILITY...VARIABLE WIND 15 TO 30 MPH IN THE HIGHER ELEVATIONS WITH GUSTS 35 TO 50 MPH AT TIMES. VISIBILITY WILL BE REDUCED TO UNDER ONE HALF MILE AT TIMES IN SNOW AND BLOWING SNOW. * MAIN IMPACT...HUNTERS AND OTHER OUTDOOR ENTHUSIASTS SHOULD BE PREPARED FOR HEAVY WET SNOW AND COLD TEMPERATURES. ROADS WILL BECOME SNOW COVERED, SLUSHY AND SLICK. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW, AND OR BLOWING SNOW ARE EXPECTED OR OCCURRING. THIS COULD MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. IF YOU MUST TRAVEL KEEP SOME FOOD, WATER, AND AN EXTRA FLASHLIGHT IN YOUR VEHICLE IN CASE OF AN EMERGENCY. CHECK THE LATEST ROAD CONDITIONS AT WYOROAD.INFO OR BY DIALING 5 1 1. && $$ WYZ013-172200- /O.EXA.KRIW.WW.Y.0029.000000T0000Z-161018T0000Z/ JACKSON HOLE- INCLUDING THE CITY OF...JACKSON 1256 AM MDT MON OCT 17 2016 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 PM MDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL 6 PM MDT THIS EVENING. * TIMING...SNOWFALL IS BEGINNING TO ACCUMULATE ACROSS THE VALLEY AND WILL BE HEAVIEST THIS MORNING. SNOW WILL TAPER OFF BY THIS EVENING. * SNOWFALL AMOUNTS...2 TO 6 INCHES WITH LOCALIZED AREAS SEEING UP TO 8 INCHES. * WIND AND VISIBILITY...VARIABLE WIND 10 TO 15 MPH WITH OCCASIONAL GUSTS TO 20 MPH. VISIBILITY WILL BE REDUCED TO UNDER ONE HALF MILE AT TIMES IN SNOW AND BLOWING SNOW. * OTHER IMPACTS...HUNTERS AND OTHER OUTDOOR ENTHUSIASTS SHOULD BE PREPARED FOR WET SNOW AND COLD TEMPERATURES. ROADS WILL BECOME SLUSHY OR SNOW COVERED. 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. && $$ WYZ012-172200- /O.CON.KRIW.WW.Y.0029.000000T0000Z-161018T0000Z/ TETON AND GROS VENTRE MOUNTAINS- 1256 AM MDT MON OCT 17 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... * TIMING...MODERATE TO OCCASIONALLY HEAVY SNOW WILL CONTINUE THIS THROUGH THIS MORNING. SNOW WILL TAPER OFF BY THIS EVENING. * SNOWFALL AMOUNTS...6 TO 10 INCHES WITH LOCALIZED AREAS SEEING UP TO A FOOT. * WIND AND VISIBILITY...VARIABLE WIND 10 TO 25 MPH IN THE HIGHER ELEVATIONS WITH GUSTS 30 TO 40 MPH AT TIMES. VISIBILITY WILL BE REDUCED TO UNDER ONE HALF MILE AT TIMES IN SNOW AND BLOWING SNOW. * OTHER IMPACTS...HUNTERS AND OTHER OUTDOOR ENTHUSIASTS SHOULD BE PREPARED FOR WET SNOW AND COLD TEMPERATURES. ROADS... INCLUDING TETON AND TOGWOTEE PASSES...WILL BECOME SNOW COVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED AND SLICK ROADS WITH LIMITED VISIBILITIES. SLOW DOWN... AND ALLOW EXTRA TIME TO REACH YOUR DESTINATION. CHECK THE LATEST ROAD CONDITIONS AT WYOROAD.INFO OR BY DIALING 5 1 1. && $$ WYZ014-172200- /O.CON.KRIW.WW.Y.0029.000000T0000Z-161018T0000Z/ WIND RIVER MOUNTAINS WEST- 1256 AM MDT MON OCT 17 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... * TIMING...MODERATE TO OCCASIONALLY HEAVY SNOW WILL CONTINUE THIS THROUGH THIS MORNING. SNOW WILL TAPER OFF BY THIS EVENING. * SNOWFALL AMOUNTS...6 TO 12 INCHES WITH LOCALIZED AREAS SEEING UP TO 15 INCHES ABOVE 7000 FEET. * WIND AND VISIBILITY...VARIABLE WIND 20 TO 45 MPH IN THE HIGHER ELEVATIONS WITH GUSTS 50 TO 60 MPH AT TIMES. VISIBILITY WILL BE REDUCED TO UNDER ONE HALF MILE AT TIMES IN SNOW AND BLOWING SNOW. * OTHER IMPACTS...HUNTERS AND OTHER OUTDOOR ENTHUSIASTS SHOULD BE PREPARED FOR WET SNOW AND COLD TEMPERATURES. ROADS WILL BECOME SNOW COVERED. TRAVEL OVER SOUTH PASS MAY BECOME SEVERELY HAMPERED BY MONDAY MORNING DUE TO THE HEAVY SNOW AND STRONG WIND. 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. && $$ WYZ025-172200- /O.CON.KRIW.WW.Y.0029.000000T0000Z-161018T0000Z/ UPPER GREEN RIVER BASIN FOOTHILLS- INCLUDING THE CITY OF...PINEDALE 1256 AM MDT MON OCT 17 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... * TIMING...MODERATE TO OCCASIONALLY HEAVY SNOW WILL CONTINUE THIS MORNING. SNOW WILL TAPER OFF BY THIS EVENING. HEAVIEST SNOWFALL IS EXPECTED ACROSS THE WESTERN PORTION OF THE FOOTHILLS INCLUDING BONDURANT. SNOW WILL TAPER OFF LATER THIS AFTERNOON. * SNOWFALL AMOUNTS...3 TO 6 INCHES WITH LOCALIZED AREAS SEEING UP TO 8 INCHES. * WIND AND VISIBILITY...VARIABLE WIND 10 TO 20 MPH WITH OCCASIONAL GUSTS TO 25 MPH. VISIBILITY WILL BE REDUCED TO UNDER ONE HALF MILE AT TIMES IN SNOW AND BLOWING SNOW. * OTHER IMPACTS...HUNTERS AND OTHER OUTDOOR ENTHUSIASTS SHOULD BE PREPARED FOR WET SNOW AND COLD TEMPERATURES. ROADS WILL BECOME SLUSHY OR SNOW COVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED AND SLICK ROADS WITH LIMITED VISIBILITIES. SLOW DOWN... AND ALLOW EXTRA TIME TO REACH YOUR DESTINATION. CHECK THE LATEST ROAD CONDITIONS AT WYOROAD.INFO OR BY DIALING 5 1 1. && $$ WYZ026-172200- /O.CON.KRIW.WW.Y.0029.000000T0000Z-161018T0000Z/ UPPER GREEN RIVER BASIN- INCLUDING THE CITIES OF...LA BARGE...BIG PINEY...FARSON 1256 AM MDT MON OCT 17 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... * TIMING...SNOW WILL BE MODERATE TO HEAVY AT TIMES THIS MORNING WITH LIGHT TO MODERATE SNOW CONTINUING AT TIMES THROUGH THE REST OF THE DAY. * SNOWFALL AMOUNTS...2 TO 6 INCHES. * WIND AND VISIBILITY...VARIABLE WIND 10 TO 15 MPH. VISIBILITY WILL BE REDUCED TO UNDER ONE MILE AT TIMES IN SNOW AND BLOWING SNOW. * OTHER IMPACTS...HUNTERS AND OTHER OUTDOOR ENTHUSIASTS SHOULD BE PREPARED FOR WET SNOW AND COLD TEMPERATURES. ROADS WILL BECOME SNOW COVERED. 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. && $$
3 follow-up statements
841 WWUS45 KRIW 171002 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 402 AM MDT MON OCT 17 2016 ...SIGNIFICANT SNOW CONTINUES ACROSS THE WEST TODAY... .A VIGOROUS UPPER LEVEL STORM SYSTEM WILL CONTINUE TO RESULT IN SIGNIFICANT SNOWFALL ACROSS THE WEST TODAY. THE HEAVIEST SNOWFALL IS EXPECTED THROUGH THE MORNING HOURS...BEFORE TAPERING OFF IN THE AFTERNOON. WYZ014-025-172215- /O.UPG.KRIW.WW.Y.0029.000000T0000Z-161018T0000Z/ /O.EXA.KRIW.WS.W.0011.000000T0000Z-161018T0000Z/ WIND RIVER MOUNTAINS WEST-UPPER GREEN RIVER BASIN FOOTHILLS- INCLUDING THE CITY OF...PINEDALE 402 AM MDT MON OCT 17 2016 ...WINTER STORM WARNING IN EFFECT UNTIL 6 PM MDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT UNTIL 6 PM MDT THIS EVENING. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. * TIMING...MODERATE TO OCCASIONALLY HEAVY SNOW WILL CONTINUE THIS MORNING...BEFORE TAPERING OFF DURING THE AFTERNOON. * SNOWFALL AMOUNTS...AS OF 3 AM...11 INCHES OF SNOW WAS REPORTED IN PINEDALE. * ADDITIONAL SNOWFALL AMOUNTS MONDAY...2 TO 4 INCHES WITH ISOLATED HIGHER AMOUNTS. * VISIBILITY...UNDER ONE HALF MILE AT TIMES IN SNOW. * IMPACTS...ROADS WILL BE SNOWPACKED AND HAZARDOUS WITH TRAVEL DIFFICULT THIS MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW, AND OR BLOWING SNOW ARE EXPECTED OR OCCURRING. THIS COULD MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. IF YOU MUST TRAVEL KEEP SOME FOOD, WATER, AND AN EXTRA FLASHLIGHT IN YOUR VEHICLE IN CASE OF AN EMERGENCY. CHECK THE LATEST ROAD CONDITIONS AT WYOROAD.INFO OR BY DIALING 5 1 1. && $$ WYZ023-172215- /O.CON.KRIW.WS.W.0011.000000T0000Z-161018T0000Z/ STAR VALLEY- INCLUDING THE CITIES OF...AFTON...ALPINE...STAR VALLEY RANCH... THAYNE 402 AM MDT MON OCT 17 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... * TIMING...MODERATE TO HEAVY WET SNOW WILL CONTINUE THIS MORNING...WITH LIGHT TO MODERATE SNOW CONTINUING LATER THIS MORNING AND AFTERNOON. UP TO 5 INCHES OF NEW SNOW HAS ALREADY FALLEN ACROSS SOME AREAS OF THE VALLEY AS OF 1230 AM MONDAY. * SNOWFALL AMOUNTS...6 TO 12 INCHES BY THIS EVENING. * WIND AND VISIBILITY...VARIABLE WIND 10 TO 15 MPH. VISIBILITY WILL BE REDUCED TO UNDER ONE HALF MILE AT TIMES IN SNOW AND BLOWING SNOW. * MAIN IMPACT...HUNTERS AND OTHER OUTDOOR ENTHUSIASTS SHOULD BE PREPARED FOR WET SNOW AND COLD TEMPERATURES. TREES WITH LEAVES MAY HAVE BROKEN LIMBS. ROADS WILL BE SNOW COVERED...SLUSHY AND SLICK. 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. && $$ WYZ024-172215- /O.CON.KRIW.WS.W.0011.000000T0000Z-161018T0000Z/ SALT RIVER AND WYOMING RANGES- 402 AM MDT MON OCT 17 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... * TIMING...MODERATE TO HEAVY WET SNOW IS ALREADY FALLING ACROSS THE AREA AND WILL BE HEAVY AT TIMES THROUGH THE MORNING HOURS WITH LIGHT TO MODERATE SNOW CONTINUING INTO THE AFTERNOON. SNOWFALL RATES OVER AN INCH PER HOUR ARE POSSIBLE THROUGH MID MORNING MONDAY. * SNOWFALL AMOUNTS...9 TO 16 INCHES WITH LOCALIZED AREAS SEEING UP TO 18 INCHES ABOVE 7000 FEET. * WIND AND VISIBILITY...VARIABLE WIND 15 TO 30 MPH IN THE HIGHER ELEVATIONS WITH GUSTS 35 TO 50 MPH AT TIMES. VISIBILITY WILL BE REDUCED TO UNDER ONE HALF MILE AT TIMES IN SNOW AND BLOWING SNOW. * MAIN IMPACT...HUNTERS AND OTHER OUTDOOR ENTHUSIASTS SHOULD BE PREPARED FOR HEAVY WET SNOW AND COLD TEMPERATURES. ROADS WILL BE SNOW COVERED...SLUSHY AND SLICK. TRAVEL COULD BE DIFFICULT THIS MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... AND OR BLOWING SNOW ARE EXPECTED OR OCCURRING. THIS COULD MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. IF YOU MUST TRAVEL KEEP SOME FOOD... WATER... AND AN EXTRA FLASHLIGHT IN YOUR VEHICLE IN CASE OF AN EMERGENCY. CHECK THE LATEST ROAD CONDITIONS AT WYOROAD.INFO OR BY DIALING 5 1 1. && $$ WYZ015-172215- /O.EXA.KRIW.WW.Y.0029.000000T0000Z-161018T0000Z/ WIND RIVER MOUNTAINS EAST- 402 AM MDT MON OCT 17 2016 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 PM MDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER WEATHER ADVISORY FOR HEAVY SNOW...WHICH IS IN EFFECT UNTIL 6 PM MDT THIS EVENING. * TIMING...MODERATE TO HEAVY SNOW WILL CONTINUE THIS MORNING...BEFORE TAPERING TO LIGHT SNOW IN THE AFTERNOON. * SNOWFALL AMOUNTS...6 TO 12 INCHES WITH LOCALIZED AREAS SEEING UP TO 18 INCHES ABOVE 9000 FEET. * WIND AND VISIBILITY...WEST TO SOUTHWEST WIND 10 TO 20 MPH INCREASING TO 30 TO 40 MPH IN THE AFTERNOON. VISIBILITY WILL BE REDUCED TO UNDER ONE HALF MILE AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...SOUTH PASS COULD BE SLICK AND HAZARDOUS AT TIMES. 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. && $$ WYZ027-172215- /O.EXA.KRIW.WW.Y.0029.000000T0000Z-161018T0000Z/ SOUTH LINCOLN COUNTY- INCLUDING THE CITIES OF...KEMMERER...COKEVILLE 402 AM MDT MON OCT 17 2016 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 PM MDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL 6 PM MDT THIS EVENING. * TIMING...SNOWFALL IS ACCUMULATING ACROSS PORTIONS OF SOUTH LINCOLN COUNTY...ESPECIALLY BETWEEN SAGE AND COKEVILLE. THE HEAVIEST SNOWFALL WILL OCCUR THIS MORNING...WITH SNOW TAPERING TO LIGHT SNOW AND ENDING DURING THE AFTERNOON. * SNOWFALL AMOUNTS...3 TO 6 INCHES BETWEEN SAGE AND COKEVILLE...WITH 1 TO 2 INCHES POSSIBLE IN THE KEMMERER AREA. * VISIBILITY...UNDER ONE HALF MILE AT TIMES IN HEAVIER SNOW. * IMPACTS...ROADS ESPECIALLY FROM SAGE TO COKEVILLE WILL BE SLUSHY TO SNOW COVERED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED AND SLICK ROADS WITH LIMITED VISIBILITIES. SLOW DOWN... AND ALLOW EXTRA TIME TO REACH YOUR DESTINATION. CHECK THE LATEST ROAD CONDITIONS AT WYOROAD.INFO OR BY DIALING 5 1 1. && $$ WYZ013-172215- /O.CON.KRIW.WW.Y.0029.000000T0000Z-161018T0000Z/ JACKSON HOLE- INCLUDING THE CITY OF...JACKSON 402 AM MDT MON OCT 17 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... * TIMING...SNOWFALL IS BEGINNING TO ACCUMULATE ACROSS THE VALLEY AND WILL BE HEAVIEST THIS MORNING. SNOW WILL TAPER OFF BY THIS EVENING. * SNOWFALL AMOUNTS...2 TO 6 INCHES WITH LOCALIZED AREAS SEEING UP TO 8 INCHES. * WIND AND VISIBILITY...VARIABLE WIND 10 TO 15 MPH WITH OCCASIONAL GUSTS TO 20 MPH. VISIBILITY WILL BE REDUCED TO UNDER ONE HALF MILE AT TIMES IN SNOW. * IMPACTS...HUNTERS AND OTHER OUTDOOR ENTHUSIASTS SHOULD BE PREPARED FOR WET SNOW AND COLD TEMPERATURES. ROADS WILL BECOME SLUSHY OR SNOW COVERED. 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. && $$ WYZ012-172215- /O.CON.KRIW.WW.Y.0029.000000T0000Z-161018T0000Z/ TETON AND GROS VENTRE MOUNTAINS- 402 AM MDT MON OCT 17 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... * TIMING...MODERATE TO OCCASIONALLY HEAVY SNOW WILL CONTINUE THROUGH THIS MORNING. SNOW WILL TAPER OFF BY THIS EVENING. * SNOWFALL AMOUNTS...6 TO 10 INCHES WITH LOCALIZED AREAS SEEING UP TO A FOOT. * WIND AND VISIBILITY...VARIABLE WIND 10 TO 25 MPH IN THE HIGHER ELEVATIONS WITH GUSTS 30 TO 40 MPH AT TIMES. VISIBILITY WILL BE REDUCED TO UNDER ONE HALF MILE AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...HUNTERS AND OTHER OUTDOOR ENTHUSIASTS SHOULD BE PREPARED FOR WET SNOW AND COLD TEMPERATURES. ROADS... INCLUDING TETON AND TOGWOTEE PASSES...WILL BE SNOW COVERED AND HAZARDOUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED AND SLICK ROADS WITH LIMITED VISIBILITIES. SLOW DOWN... AND ALLOW EXTRA TIME TO REACH YOUR DESTINATION. CHECK THE LATEST ROAD CONDITIONS AT WYOROAD.INFO OR BY DIALING 5 1 1. && $$ WYZ026-172215- /O.CON.KRIW.WW.Y.0029.000000T0000Z-161018T0000Z/ UPPER GREEN RIVER BASIN- INCLUDING THE CITIES OF...LA BARGE...BIG PINEY...FARSON 402 AM MDT MON OCT 17 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... * TIMING...SNOW WILL BE MODERATE TO HEAVY AT TIMES THIS MORNING WITH LIGHT SNOW CONTINUING AT TIMES THROUGH THE REST OF THE DAY. * SNOWFALL AMOUNTS...4 TO 8 INCHES NEAR BIG PINEY AND MARBLETON TO 1 TO 4 INCHES NEAR LA BARGE AND FARSON. * VISIBILITY...UNDER HALF MILE AT TIMES IN HEAVIER SNOW. * IMPACTS...ROADS WILL BE SNOW COVERED AND HAZARDOUS. 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. && $$
307 WWUS45 KRIW 171656 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 1056 AM MDT MON OCT 17 2016 ...SNOW TO CONTINUE ACROSS THE WESTERN MOUNTAINS TODAY... .A VIGOROUS UPPER LEVEL STORM SYSTEM WILL CONTINUE TO RESULT IN MORE SNOWFALL ACROSS THE WESTERN MOUNTAINS TODAY...TAPERING OFF THIS AFTERNOON. WYZ023-025-171800- /O.CAN.KRIW.WS.W.0011.000000T0000Z-161018T0000Z/ STAR VALLEY-UPPER GREEN RIVER BASIN FOOTHILLS- INCLUDING THE CITIES OF...AFTON...ALPINE...STAR VALLEY RANCH... THAYNE...PINEDALE 1056 AM MDT MON OCT 17 2016 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS CANCELLED THE WINTER STORM WARNING. SNOWFALL HAS GENERALLY ENDED ACROSS THE AREA WITH JUST THE POTENTIAL FOR SOME AFTERNOON SNOW SHOWERS. THEREFORE...THE NATIONAL WEATHER IN RIVERTON HAS CANCELLED THE WINTER STORM WARNING THAT WAS IN EFFECT. SNOWFALL OVERNIGHT VARIED FROM AN INCH OR TWO ALL THE WAY UP TO 5 TO 7 INCHES AROUND SMOOT...THAYNE AND STAR VALLEY RANCH. MORE SNOW WILL LIKELY RETURN TUESDAY INTO TUESDAY NIGHT WITH A FEW MORE INCHES POSSIBLE. $$ WYZ013-026-027-171800- /O.CAN.KRIW.WW.Y.0029.000000T0000Z-161018T0000Z/ JACKSON HOLE-UPPER GREEN RIVER BASIN-SOUTH LINCOLN COUNTY- INCLUDING THE CITIES OF...JACKSON...LA BARGE...BIG PINEY... FARSON...KEMMERER...COKEVILLE 1056 AM MDT MON OCT 17 2016 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS CANCELLED THE WINTER WEATHER ADVISORY. SNOWFALL HAS GENERALLY ENDED ACROSS THE AREA WITH JUST THE POTENTIAL FOR SOME AFTERNOON SNOW SHOWERS. THEREFORE...THE NATIONAL WEATHER IN RIVERTON HAS CANCELLED THE WINTER WEATHER ADVISOR THAT WAS IN EFFECT. EARLY REPORTS INDICATE SNOWFALL VARIED GREATLY WITH THE MOST SNOW AROUND BIG PINEY NORTHWARD AND AROUND COKEVILLE. MORE SNOW WILL LIKELY RETURN TUESDAY INTO TUESDAY NIGHT WITH A FEW MORE INCHES POSSIBLE. $$ WYZ024-180000- /O.CON.KRIW.WS.W.0011.000000T0000Z-161018T0000Z/ SALT RIVER AND WYOMING RANGES- 1056 AM MDT MON OCT 17 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... * TIMING...SNOW SHOWERS WILL PERSIST THROUGH THE AFTERNOON WITH A COUPLE MORE INCHES POSSIBLE. STRONG WEST WIND AT TIMES WILL CREATE SHARPLY REDUCED VISIBILITY IN SNOW AND BLOWING SNOW. * NEW SNOWFALL AMOUNTS...1 TO 3 INCHES. * WIND AND VISIBILITY...VARIABLE WIND 15 TO 30 MPH IN THE HIGHER ELEVATIONS WITH GUSTS 35 TO 50 MPH AT TIMES. VISIBILITY WILL BE REDUCED TO UNDER ONE HALF MILE AT TIMES IN SNOW AND BLOWING SNOW. * MAIN IMPACT...HUNTERS AND OTHER OUTDOOR ENTHUSIASTS SHOULD BE PREPARED FOR HEAVY WET SNOW AND COLD TEMPERATURES. ROADS WILL BE SNOW COVERED...SLUSHY AND SLICK. TRAVEL COULD BE DIFFICULT THIS MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... AND OR BLOWING SNOW ARE EXPECTED OR OCCURRING. THIS COULD MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. IF YOU MUST TRAVEL KEEP SOME FOOD... WATER... AND AN EXTRA FLASHLIGHT IN YOUR VEHICLE IN CASE OF AN EMERGENCY. CHECK THE LATEST ROAD CONDITIONS AT WYOROAD.INFO OR BY DIALING 5 1 1. && $$ WYZ014-180000- /O.CON.KRIW.WS.W.0011.000000T0000Z-161018T0000Z/ WIND RIVER MOUNTAINS WEST- 1056 AM MDT MON OCT 17 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... * TIMING...OCCASIONAL SNOW SHOWERS WITH STRONG WEST WIND WILL CONTINUE THROUGH THIS AFTERNOON. SNOW SHOWERS WILL TAPER OFF LATER THIS AFTERNOON. * NEW SNOWFALL AMOUNTS...1 TO 3 INCHES. * VISIBILITY...UNDER ONE HALF MILE AT TIMES IN SNOW. * IMPACTS...ROADS WILL BE SNOWPACKED AND HAZARDOUS WITH TRAVEL DIFFICULT THIS MORNING. 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. && $$ WYZ012-180000- /O.CON.KRIW.WW.Y.0029.000000T0000Z-161018T0000Z/ TETON AND GROS VENTRE MOUNTAINS- 1056 AM MDT MON OCT 17 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... * TIMING...OCCASIONAL SNOW SHOWERS...TAPERING OFF BY THIS EVENING. * NEW SNOWFALL AMOUNTS...1 TO 3 INCHES. * WIND AND VISIBILITY...VARIABLE WIND 10 TO 25 MPH IN THE HIGHER ELEVATIONS WITH GUSTS 30 TO 40 MPH AT TIMES. VISIBILITY WILL BE REDUCED TO UNDER ONE HALF MILE AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...HUNTERS AND OTHER OUTDOOR ENTHUSIASTS SHOULD BE PREPARED FOR WET SNOW AND COLD TEMPERATURES. ROADS... INCLUDING TETON AND TOGWOTEE PASSES...WILL BE SNOW COVERED AND HAZARDOUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED AND SLICK ROADS WITH LIMITED VISIBILITIES. SLOW DOWN... AND ALLOW EXTRA TIME TO REACH YOUR DESTINATION. CHECK THE LATEST ROAD CONDITIONS AT WYOROAD.INFO OR BY DIALING 5 1 1. && $$ WYZ015-180000- /O.CON.KRIW.WW.Y.0029.000000T0000Z-161018T0000Z/ WIND RIVER MOUNTAINS EAST- 1056 AM MDT MON OCT 17 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... * TIMING...OCCASIONAL SNOW SHOWERS...TAPERING OFF BY THIS EVENING. * SNOWFALL AMOUNTS...1 TO 3 INCHES. * WIND AND VISIBILITY...WEST WIND 30 TO 40 MPH WITH GUSTS AROUND 50 MPH. VISIBILITY WILL BE REDUCED TO UNDER ONE HALF MILE AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...SOUTH PASS COULD BE SLICK AND HAZARDOUS AT TIMES. 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. && $$ TEAM RIVERTON
080 WWUS45 KRIW 171823 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 1223 PM MDT MON OCT 17 2016 WYZ014-024-171930- /O.CAN.KRIW.WS.W.0011.000000T0000Z-161018T0000Z/ WIND RIVER MOUNTAINS WEST-SALT RIVER AND WYOMING RANGES- 1223 PM MDT MON OCT 17 2016 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS CANCELLED THE WINTER STORM WARNING. SNOW HAS DIMINISHED TO OCCASIONAL SNOW SHOWERS AND SIGNIFICANT SNOW IS NO LONGER EXPECTED THIS AFTERNOON. THEREFORE...THE WINTER STORM WARNING FOR THE AREA HAS BEEN CANCELLED. MORE SNOW WILL RETURN TUESDAY INTO TUESDAY NIGHT WHEN SEVERAL INCHES WILL BE POSSIBLE ONCE AGAIN. SNOWFALL AMOUNTS VARIED WIDELY FROM 6 TO 16 INCHES ACROSS THE MOUNTAINS LAST NIGHT INTO THIS MORNING. $$ WYZ012-015-171930- /O.CAN.KRIW.WW.Y.0029.000000T0000Z-161018T0000Z/ TETON AND GROS VENTRE MOUNTAINS-WIND RIVER MOUNTAINS EAST- 1223 PM MDT MON OCT 17 2016 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS CANCELLED THE WINTER WEATHER ADVISORY. SNOW HAS DIMINISHED TO OCCASIONAL SNOW SHOWERS AND SIGNIFICANT SNOW IS NO LONGER EXPECTED THIS AFTERNOON. THEREFORE...THE WINTER WEATHER ADVISORY FOR THE AREA HAS BEEN CANCELLED. MORE SNOW WILL RETURN TUESDAY INTO TUESDAY NIGHT WHEN SEVERAL INCHES WILL BE POSSIBLE ONCE AGAIN. STRONG WEST WIND OVER SOUTH PASS MAY STILL PRODUCE AREAS OF BLOWING AND DRIFTING SNOW THIS AFTERNOON. FOUR TO EIGHT INCHES OF SNOW WAS GENERALLY REPORTED ACROSS THE AREA OVERNIGHT INTO THIS MORNING. $$ TEAM RIVERTON
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 Oct 16, 10:54 PM MDT, 2 hours 2 minutes earlier.
Area forecast discussion, Oct 16, 10:54 PM MDT, 2 hours 2 minutes before
Area Forecast Discussion National Weather Service Riverton WY 1054 PM MDT SUN OCT 16 2016 .UPDATE...Added zone 26 to the Winter Weather Advisory as the snow has increased around Big Piney/Marbleton. Upgraded the High Wind Watch to a Warning. .SHORT TERM...Tonight Through Wednesday (Issued at 202 PM MDT) The busy short term period continues. Winds have been rather robust today with many areas gusting 40 to 50 mph with a few high wind spots like Clark and Lander in the lower elevations and Chief Joseph and Mt. Coffin in the higher mountains. Winds will continue to be a concern through Monday. Next approaching system will push a front across by Monday morning along with very strong mountain top winds. Have issued high wind watches for Fremont and Sweetwater Counties from 9 am Monday through 6 pm Monday. Western Hot Springs and Southern Park look quite windy also with potential high winds. Snow will be the concern out west. Tops are cooling over Northern Nevada and up into far Srn Idaho. Yesterday's front has stalled out over the far southwest and this will be energized as this next shortwave approaches this evening. Precipitation should increase in intensity and coverage quickly this evening as the left front quad of the jet coincides with the mid level convergence (sw-w winds). Best jet divergence may end up being too far north but the upglide and mid level convergence combined with the vort max should produce a pretty significant swath of pcpn in the sw mtns tonight that will gradually work nwd overnight into the Tetons. South Pass may be a problem Monday morning with heavy snow and 50 mph winds. A swath of cold rain or mixed rain and snow at slightly higher locations will likely move east of the divide later tonight into Monday morning. A little snow will likely linger out west Monday night in advance of our next system for Tuesday. This one won't have the moisture or forcing that our tonight/Monday system will have but it'll be cold and unstable with frequent mountain snow showers and a chance of snow showers elsewhere. Wednesday will be chilly and unsettled in the cold nw flow with the potential for snow showers across the mountains and lower elevations east of the divide, especially the far north and east. .LONG TERM...Wednesday Night Through Sunday All in all a return to a fairly quiet period of weather after an active beginning of the week. Any leftover showers with the departing trough and unstable northwesterly flow should be ending during the evening with mainly dry weather returning for later at night. Following that, dry weather will be the rule. Thursday looks to be a dry but cool day with chilly temperatures aloft, but warmer than on Wednesday. As ridging continues to build across the state and flow turns more westerly,temperatures should return to near or above normal levels for Friday and Saturday. There will be some breezes in the favored locations, but nothing out of the ordinary for Wyoming. A weak cold front will approach the area late Saturday into Saturday night. However, the front appears to be moisture starved with most of the upper level support remaining in Montana. As a result, we kept the forecast dry. Another front will approach from the northwest late in the weekend. However, this far out there are some timing differences with the European about 24 hours faster than the GFS. For now, we kept the forecast dry with the best chance of any showers likely holding off until Monday of next week. && .AVIATION.../06Z ISSUANCE/ WEST OF THE DIVIDE...KBPI/KJAC/KPNA/KRKS ROUTES Snow in the west with snow in the mountains. MVFR to LIFR conditions will be common through Monday morning. Expect mountains to be obscured. Conditions will improve after 18Z as the snow shower coverage decreases in the valleys. Snow showers will linger in the mountains through 00Z Tue, then decrease to scattered snow showers. Strong wind is expected in southern WY Monday with wind gusts to 55 mph. The wind will decrease after 00Z Tue. EAST OF THE DIVIDE...KCOD/KCPR/KLND/KRIW/KWRL ROUTES Scattered rain showers overnight through Monday morning. Local MVFR conditions may occur. Strong wind will develop after 15Z as a cold front moves through the region. Wind gusts to 55 mph are expected in some locations. The wind will decrease after 00Z Tue. VFR conditions will prevail at the terminal sites through the period. && .FIRE WEATHER... Fire danger low to moderate all areas through the beginning of the work week...as minimum RH values remain above 25 percent over those areas in central Wyoming where fuels remain critical. That said, a vigorous upper level weather system will begin to influence the forecast area this evening with increasing precipitation west of the Divide and strong winds east of the Divide through Monday. High winds may occur again on Monday over Fremont and Sweetwater Counties. Widespread snow will fall out west through Monday with scattered rain and snow showers east of the divide Monday. Tuesday will be cool and breezy to locally windy with a chance of mixed rain or snow showers or just snow showers. && .RIW Watches/Warnings/Advisories... High Wind Warning from Monday morning through Monday afternoon for WYZ016>019-028>030. Winter Weather Advisory until 6 PM MDT Monday for WYZ012-014-023-024-025-026. && UPDATE...JB SHORT TERM...Skrbac LONG TERM...Hattings AVIATION...AR FIRE WEATHER...Skrbac
Hazardous weather outlook, Oct 16, 2:03 PM MDT, 10 hours 53 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE RIVERTON WY 203 PM MDT SUN OCT 16 2016 WYZ001>020-022>030-171200- 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- 203 PM MDT SUN OCT 16 2016 ...WINTER WEATHER ADVISORY FOR PORTIONS OF WESTERN AND SOUTHWESTERN WYOMING TONIGHT THROUGH MONDAY... ...HIGH WIND WATCH FOR FREMONT AND SWEETWATER COUNTIES MONDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND CENTRAL WYOMING. .DAY ONE...TODAY AND TONIGHT TODAY AND TONIGHT...STRONG WEST TO SOUTHWEST WIND ACROSS THE CENTRAL WIND CORRIDOR BETWEEN SOUTH PASS AND CASPER IN ADDITION TO THE LANDER AND CODY FOOTHILLS. SNOW IN THE WESTERN MOUNTAINS...INCREASING IN INTENSITY TONIGHT WITH MODERATE TO HEAVY SNOW AT TIMES. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY MONDAY...A STRONG WINTER WEATHER SYSTEM CONTINUES TO PUSH ACROSS THE REGION WITH MODERATE TO LOCALLY HEAVY SNOW AT TIMES WEST OF THE DIVIDE. STRONG WINDS AND BLOWING SNOW WILL BE POSSIBLE ACROSS THE WESTERN MOUNTAINS...WITH HIGH WINDS POSSIBLE ALONG THE EASTERN FOOTHILLS AND PORTIONS OF CENTRAL WYOMING. TUESDAY AND WEDNESDAY...SCATTERED TO NUMEROUS SNOW SHOWERS OVER THE WESTERN MOUNTAINS TUESDAY AFTERNOON WITH CHANCES OF RAIN AND SNOW SHOWERS SPREADING INTO CENTRAL AREAS TUESDAY NIGHT AND WEDNESDAY. .SPOTTER INFORMATION STATEMENT... SPOTTERS SHOULD REPORT WIND GUSTS PAST 45 MPH...WIND DAMAGE AND SNOWFALL. THANK YOU.
The office that day
Everything else NWS Riverton, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 16, 9:15 PM MDT | High Wind Warning | RIW | Fremont, Natrona, Sweetwater | 21 hr |
Nearby
Winter Storm Warnings in Wyoming, 2016Every winter storm warning in 2016
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.