Alert archive / Wyoming / Winter Storm Warnings in 2016
Winter Storm Warning 3, NWS Riverton, WY
NWS Riverton, WY issued this winter storm warning at Feb 1, 2016, 4:39 PM MST for Natrona County, Wyoming. It was in force for 16 hr. 7 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 1, 2016, 4:39 PM MST (23:39 UTC)
- Expired
- Feb 2, 2016, 9:00 AM MST
- In force
- 16 hr
- Issued by
- NWS Riverton, WY
County Natrona County, WY
The radar
The Riverton/Lander radar (KRIW), 137 km from the middle of the area, began a volume at 23:43 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 1, 4:49 PM MST | HEAVY SNOW 7 | 1 Sw Casper, WY | |
| Feb 1, 4:50 PM MST | HEAVY SNOW 6 | Bessemer Bend, WY | |
| Feb 1, 5:09 PM MST | SNOW 5 | 6 W Casper, WY | CASPER AIRPORT |
| Feb 1, 7:11 PM MST | SNOW 3 | 21 Sw Barnum, WY | GRAVE SPRING SNOTEL |
| Feb 1, 7:13 PM MST | HEAVY SNOW 9 | 22 Sse Casper, WY | RENO HILL SNOTEL |
| Feb 1, 7:13 PM MST | HEAVY SNOW 11 | 8 S Casper, WY | CASPER MOUNTAIN SNOTEL |
| Feb 1, 7:37 PM MST | HEAVY SNOW 13 | 7 S Casper, WY | CASPER MOUNTAIN |
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, 11.7 hours before the alert went out and 131 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
- 1117 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 24 m²/s²
- 0-3 km storm-relative helicity
- 234 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
480 WWUS45 KRIW 012339 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 439 PM MST MON FEB 1 2016 ...SNOW AND BLOWING SNOW COMING TO CENTRAL AND SOUTHERN WYOMING TODAY AND TONIGHT... .CENTRAL AND SOUTHERN WYOMING WILL BE ON THE NORTHWEST EDGE OF A LARGE WINTER STORM THAT WILL BE MOVING THROUGH THE SOUTHERN AND CENTRAL ROCKIES THROUGH TUESDAY. SNOW WILL CONTINUE ACROSS NATRONA...FREMONT... SWEETWATER...JOHNSON AND SOUTHERN LINCOLN COUNTIES ALONG WITH BRISK NORTHEAST WINDS. STEADY SNOW AND BLOWING SNOW IS EXPECTED TO CONTINUE THROUGH TONIGHT. BY TUESDAY MORNING...ONLY LIGHT SNOW WILL STILL BE FALLING BUT THE WINDS WILL STILL BE RATHER BRISK. WITH THE LIGHT FLUFFY NATURE OF THE SNOW...THE COMBINATION OF THE LINGERING SNOWFALL AND WIND WILL CREATE CONTINUED BLOWING AND DRIFTING SNOW THROUGH 9 AM TUESDAY MORNING. EXPECT SIGNIFICANT TRAVEL IMPACT ALONG THE INTERSTATES... OVER SOUTH PASS...AND DURING THE EVENING AND TUESDAY MORNING COMMUTE AROUND CASPER. WYZ020-022-021000- /O.UPG.KRIW.WW.Y.0007.000000T0000Z-160202T1600Z/ /O.NEW.KRIW.WS.W.0003.160201T2339Z-160202T1600Z/ NATRONA COUNTY LOWER ELEVATIONS-CASPER MOUNTAIN- INCLUDING THE CITY OF...CASPER 439 PM MST MON FEB 1 2016 ...WINTER STORM WARNING IN EFFECT UNTIL 9 AM MST TUESDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT UNTIL 9 AM MST TUESDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. * TIMING...SNOW WITH BRISK NORTHEAST WINDS WILL CONTINUE FOR THE REST OF THIS AFTERNOON AND WILL CONTINUE THROUGH TONIGHT BEFORE TAPERING OFF TUESDAY MORNING. THE HEAVIEST SNOW IS EXPECTED TO FALL THROUGH MIDNIGHT. * SNOWFALL...SNOWFALL OF 3 TO 6 INCHES HAS FALLEN AROUND THE CASPER AREA SO FAR ALONG WITH 6 TO 10 INCHES ON CASPER MOUNTAIN. ANOTHER 3 TO 6 INCHES OF SNOW IS FORECAST TO FALL ACROSS THE AREA TONIGHT. SNOW TOTALS OF 4 TO 5 INCHES IS EXPECTED IN NORTHERN NATRONA COUNTY...INCLUDING MIDWEST...BY TUESDAY MORNING...6 TO 9 INCHES AROUND THE CASPER AREA AND 9 TO 16 INCHES ON CASPER MOUNTAIN ALONG WITH CONSIDERABLE DRIFTING. * WIND AND VISIBILITY...NORTHEAST WINDS OF 20 TO 25 MPH WITH GUSTS TO 35 MPH WILL CAUSE BLOWING SNOW WITH VISIBILITY BELOW A QUARTER MILE AT TIMES. * MAIN IMPACT...ROADS WILL BECOME SNOW PACKED AND ICY WITH DRIFTING SNOW AND POOR VISIBILITY. DRIVING WILL BECOME DIFFICULT...ESPECIALLY FOR LIGHT TRAILERS AND HIGH PROFILE VEHICLES. TRAVEL DELAYS ARE LIKELY DURING THE EVENING COMMUTE AND ALONG INTERSTATE 25 THIS AFTERNOON AND EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ015-018-021000- /O.CON.KRIW.WW.Y.0007.000000T0000Z-160202T1600Z/ WIND RIVER MOUNTAINS EAST-LANDER FOOTHILLS- INCLUDING THE CITY OF...LANDER 439 PM MST MON FEB 1 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST TUESDAY... * TIMING...SNOW WITH BRISK NORTHEAST WINDS WILL CONTINUE FOR THE REST OF THIS AFTERNOON AND WILL CONTINUE THROUGH TONIGHT BEFORE TAPERING OFF TUESDAY MORNING. THE HEAVIEST SNOW IS EXPECTED TO FALL BETWEEN NOON AND MIDNIGHT. * SNOWFALL...ONE TO TWO INCHES OF SNOW HAS FALLEN IN THE LANDER AREA SO FAR TODAY. 3 TO 6 INCHES IN THE LOWER ELEVATIONS WITH 5 TO 10 INCHES ON THE EAST SLOPES OF THE WIND RIVER MOUNTAINS INCLUDING SOUTH PASS IS EXPECTED BY TUESDAY MORNING. * WIND AND VISIBILITY...NORTHEAST WINDS OF 20 TO 25 MPH WITH GUSTS AS HIGH AS 45 MPH ON SOUTH PASS WILL CAUSE BLOWING SNOW WITH VISIBILITY NEAR ZERO AT TIMES. * MAIN IMPACT...ROADS WILL BECOME SNOW PACKED AND ICY WITH DRIFTING SNOW AND POOR VISIBILITY. DRIVING WILL BECOME DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES AND LIGHT TRAILERS ATTEMPTING SOUTH PASS FOR THE REST OF THIS AFTERNOON AND TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. && $$ WYZ019-021000- /O.CON.KRIW.WW.Y.0007.000000T0000Z-160202T1600Z/ GREEN MOUNTAINS AND RATTLESNAKE RANGE- INCLUDING THE CITY OF...JEFFREY CITY 439 PM MST MON FEB 1 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST TUESDAY... * TIMING...SNOW WITH BRISK NORTHEAST WINDS WILL CONTINUE FOR THE REST OF THIS AFTERNOON AND WILL CONTINUE THROUGH TONIGHT BEFORE TAPERING OFF TUESDAY MORNING. THE HEAVIEST SNOW IS EXPECTED TO FALL BETWEEN NOON AND MIDNIGHT. * SNOWFALL...AT LEAST 2 INCHES OF SNOW HAS FALLEN OVER THE AREA SO FAR THIS MORNING. 3 TO 6 INCHES IN THE LOWER ELEVATIONS WITH 5 TO 10 INCHES IN THE GREEN MOUNTAINS IS EXPECTED BY TUESDAY MORNING. * WIND AND VISIBILITY...NORTHEAST WINDS OF 25 TO 35 MPH WITH GUSTS TO 45 MPH WILL CAUSE BLOWING SNOW WITH VISIBILITY BELOW A QUARTER MILE AT TIMES. * MAIN IMPACT...ROADS WILL BECOME SNOW PACKED AND ICY WITH DRIFTING SNOW AND POOR VISIBILITY. DRIVING WILL BECOME DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES AND LIGHT TRAILERS ATTEMPTING TO TRAVEL HIGHWAY 287 FOR THE REST OF THIS AFTERNOON AND TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. && $$ WYZ028>030-021000- /O.CON.KRIW.WW.Y.0007.000000T0000Z-160202T1600Z/ ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE-EAST SWEETWATER COUNTY- INCLUDING THE CITIES OF...ROCK SPRINGS...GREEN RIVER...WAMSUTTER 439 PM MST MON FEB 1 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST TUESDAY... * TIMING...SNOW WITH BRISK NORTHEAST WINDS WILL CONTINUE FOR THE REST OF THIS AFTERNOON AND WILL CONTINUE THROUGH TONIGHT BEFORE TAPERING OFF TUESDAY MORNING. THE HEAVIEST SNOW IS EXPECTED TO FALL BETWEEN NOON AND MIDNIGHT. * SNOWFALL...AT LEAST AN INCH OF SNOW HAS FALLEN ACROSS SWEETWATER COUNTY SO FAR THIS MORNING. AT LEAST 2 INCHES OF SNOW IS EXPECTED IN ROCK SPRINGS AND GREEN RIVER WITH 3 TO 6 INCHES OF SNOW IS EXPECTED WELL SOUTH OF INTERSTATE 80 IN SOUTHERN SWEETWATER COUNTY BY TUESDAY MORNING. * WIND AND VISIBILITY...NORTHEAST WINDS OF 25 TO 35 MPH WITH GUSTS TO 45 MPH WILL CONTINUE TO CAUSE BLOWING SNOW WITH VISIBILITY BELOW A QUARTER MILE AT TIMES. * MAIN IMPACT...ROADS WILL CONTINUE TO BE SNOW PACKED AND ICY WITH DRIFTING SNOW AND POOR VISIBILITY. DRIVING WILL CONTINUE TO BE DIFFICULT...WITH STRONG CROSS WINDS CONTINUING. TRAVEL DELAYS ARE LIKELY ALONG INTERSTATE 80. TRAVEL MAY BECOME IMPOSSIBLE FOR HIGH PROFILE VEHICLES AND LIGHT TRAILER TRAFFIC THROUGH TONIGHT. IN FACT MOST OF INTERSTATE 80 IS ALREADY NOW CLOSED IN BOTH DIRECTIONS BETWEEN ROCK SPRINGS AND RAWLINS ALONG WITH WEST BOUND CLOSURES BETWEEN LARAMIE AND RAWLINS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. PLEASE CHECK THE LATEST ROAD CONDITIONS BY DIALING 511 OR OR BY LOGGING ON TO MAP.WYOROAD.INFO. && $$ WYZ027-021000- /O.CON.KRIW.WW.Y.0007.000000T0000Z-160202T1600Z/ SOUTH LINCOLN COUNTY- INCLUDING THE CITIES OF...KEMMERER...COKEVILLE 439 PM MST MON FEB 1 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST TUESDAY... * TIMING...SNOW WITH BRISK NORTHEAST WINDS WILL CONTINUE THROUGH TONIGHT BEFORE TAPERING OFF TUESDAY MORNING. THE HEAVIEST SNOW IS EXPECTED TO FALL BETWEEN NOON AND MIDNIGHT. * SNOWFALL...3 TO 6 INCHES. * WIND AND VISIBILITY...NORTHEAST WINDS OF 20 TO 25 MPH WITH GUSTS TO 35 MPH WILL CAUSE BLOWING SNOW WITH VISIBILITY BELOW A QUARTER MILE AT TIMES. * MAIN IMPACT...ROADS WILL BE SNOW PACKED AND ICY WITH DRIFTING SNOW AND POOR VISIBILITY. DRIVING WILL BECOME DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES AND LIGHT TRAILER TRAFFIC LATE THIS MORNING THROUGH TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. && $$ WYZ017-021000- /O.CON.KRIW.WW.Y.0007.000000T0000Z-160202T1600Z/ WIND RIVER BASIN- INCLUDING THE CITIES OF...RIVERTON...SHOSHONI 439 PM MST MON FEB 1 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST TUESDAY... * TIMING...SNOW WITH BRISK NORTHEAST WINDS WILL CONTINUE FOR THE REST OF THIS AFTERNOON AND WILL CONTINUE THROUGH TONIGHT BEFORE TAPERING OFF TUESDAY MORNING. THE HEAVIEST SNOW IS EXPECTED TO FALL THROUGH MIDNIGHT SOUTH OF RIVERTON BUT WILL TAPER OFF ACROSS AREAS NORTH OF RIVERTON BY 9 PM. * SNOWFALL...UP TO AN INCH OF SNOW HAS FALLEN IN THE RIVERTON AREA SO FAR TODAY. UP TO 3 INCHES OF SNOW IS EXPECTED NEAR HUDSON...UP TO 2 INCHES OF SNOW IS EXPECTED TO FALL AT AND SOUTH OF RIVERTON...1 TO 2 INCHES JUST NORTH OF RIVERTON ALONG WITH LESS THAN AN INCH IN SHOSHONI AND TO THE LEE OF THE OWL CREEK MOUNTAINS IN THE NORTHERN PORTION OF THE BASIN. * WIND AND VISIBILITY...NORTHEAST WINDS OF 20 TO 25 MPH WITH GUSTS AS HIGH AS 45 MPH JUST SOUTH OF THE WIND RIVER CANYON WILL CAUSE BLOWING SNOW WITH VISIBILITY BELOW ONE QUARTER OF A MILE AT TIMES. * MAIN IMPACT...ROADS WILL BE SNOW PACKED AND ICY WITH DRIFTING SNOW AND POOR VISIBILITY. DRIVING WILL BECOME DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES AND LIGHT TRAILERS ATTEMPTING HIGHWAY 789 AT THE FOOT OF THE OWL CREEK MOUNTAINS NEAR BOYSEN DAM THROUGH THE REST OF THIS AFTERNOON AND TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. && $$ WYZ011-021000- /O.CON.KRIW.WW.Y.0007.000000T0000Z-160202T1600Z/ SOUTHEAST JOHNSON COUNTY- INCLUDING THE CITY OF...KAYCEE 439 PM MST MON FEB 1 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST TUESDAY... * TIMING...SNOW WITH BRISK NORTHEAST WINDS WILL CONTINUE FOR THE REST OF THIS AFTERNOON AND WILL CONTINUE THROUGH TONIGHT BEFORE TAPERING OFF TUESDAY MORNING. THE HEAVIEST SNOW IS EXPECTED TO FALL THROUGH MIDNIGHT. * SNOWFALL...AROUND AN INCH OF SNOW HAS FALLEN IN SOUTHERN JOHNSON COUNTY SO FAR TODAY. BETWEEN 2 AND 3 INCHES OF SNOW IS EXPECTED IN KAYCEE AND 4 TO 5 INCHES FARTHER SOUTH NEAR THE NATRONA COUNTY LINE. * WIND AND VISIBILITY...NORTHEAST WINDS OF 20 TO 25 MPH WITH GUSTS AS HIGH AS 30 MPH WILL CAUSE BLOWING SNOW WITH VISIBILITY LESS THAN ONE QUARTER OF A MILE AT TIMES... ESPECIALLY BEFORE MIDNIGHT AND FOR LIGHT TRAILERS AND HIGH PROFILE VEHICLES.. * MAIN IMPACT...ROADS WILL BECOME SNOW PACKED AND ICY WITH DRIFTING SNOW AND POOR VISIBILITY. DRIVING WILL BECOME DIFFICULT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. && $$
4 follow-up statements
955 WWUS45 KRIW 020233 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 733 PM MST MON FEB 1 2016 ...SIGNIFICANT SNOW AND BLOWING SNOW CONTINUES TONIGHT ACROSS MUCH OF CENTRAL AND SOUTHERN WYOMING... .THE NORTHERN PORTION OF A LARGE WINTER STORM CROSSING THE ROCKIES INTO THE PLAINS WILL CONTINUE TO IMPACT MUCH OF CENTRAL AND SOUTHERN WYOMING TONIGHT. THE HEAVIEST SNOWFALL ALONG WITH THE STRONGEST NORTH TO NORTHEAST WINDS WILL OCCUR THROUGH MIDNIGHT. IMPROVING CONDITIONS ARE EXPECTED TUESDAY MORNING AS THE STORM LIFTS AWAY FROM THE AREA. WYZ020-022-021115- /O.CON.KRIW.WS.W.0003.000000T0000Z-160202T1600Z/ NATRONA COUNTY LOWER ELEVATIONS-CASPER MOUNTAIN- INCLUDING THE CITY OF...CASPER 733 PM MST MON FEB 1 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 AM MST TUESDAY... * TIMING...THE WORST CONDITIONS IN SNOW AND BLOWING SNOW WILL OCCUR THROUGH MIDNIGHT...WITH SNOW BECOMING LIGHTER AND WINDS GRADUALLY WEAKENING AFTER MIDNIGHT. * SNOWFALL TOTALS THROUGH MONDAY AFTERNOON...4 TO 7 INCHES WITH 2 TO 3 FOOT DRIFTS AROUND CASPER. 5 TO 10 INCHES ON CASPER MOUNTAIN. * ADDITIONAL SNOWFALL TONIGHT...2 TO 5 INCHES IN THE LOWER ELEVATIONS AND 4 TO 8 INCHES ON CASPER MOUNTAIN. * WIND AND VISIBILITY...NORTHEAST WINDS OF 20 TO 25 MPH WITH GUSTS TO 35 MPH WILL CAUSE BLOWING SNOW WITH VISIBILITY BELOW A QUARTER MILE AT TIMES. * MAIN IMPACT...TRAVEL WILL BE DIFFICULT TO NEARLY IMPOSSIBLE ESPECIALLY IN RURAL AREAS. IMPROVING CONDITIONS ARE EXPECTED AFTER SUNRISE TUESDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW AND BLOWING SNOW WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. PLEASE CHECK THE LATEST ROAD CONDITIONS BY DIALING 511 OR OR BY LOGGING ON TO MAP.WYOROAD.INFO. && $$ WYZ015-018-021115- /O.CON.KRIW.WW.Y.0007.000000T0000Z-160202T1600Z/ WIND RIVER MOUNTAINS EAST-LANDER FOOTHILLS- INCLUDING THE CITY OF...LANDER 733 PM MST MON FEB 1 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST TUESDAY... * TIMING...PERIODS OF SNOW...MODERATE AT TIMES...WILL CONTINUE FOR THE REST OF THE NIGHT...WITH THE HEAVIEST SNOWFALL OCCURRING THROUGH MIDNIGHT. * SNOWFALL TOTALS THROUGH MONDAY AFTERNOON...AROUND 3 INCHES IN LANDER. * ADDITIONAL SNOWFALL TONIGHT...2 TO 4 INCHES * WIND AND VISIBILITY...NORTHEAST WINDS OF 20 TO 25 MPH WITH GUSTS AS HIGH AS 45 MPH ON SOUTH PASS WILL CAUSE BLOWING SNOW WITH VISIBILITY NEAR ZERO AT TIMES. * MAIN IMPACT...TRAVEL WILL BE DIFFICULT TONIGHT ESPECIALLY IN RURAL AREAS INCLUDING SOUTH PASS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. PLEASE CHECK THE LATEST ROAD CONDITIONS BY DIALING 511 OR OR BY LOGGING ON TO MAP.WYOROAD.INFO. && $$ WYZ019-021115- /O.CON.KRIW.WW.Y.0007.000000T0000Z-160202T1600Z/ GREEN MOUNTAINS AND RATTLESNAKE RANGE- INCLUDING THE CITY OF...JEFFREY CITY 733 PM MST MON FEB 1 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST TUESDAY... * TIMING...PERIODS OF SNOW...MODERATE AT TIMES...WILL CONTINUE FOR THE REST OF THE NIGHT...WITH HEAVIEST SNOWFALL OCCURRING THROUGH MIDNIGHT. * SNOWFALL TOTALS...3 TO 6 INCHES. * WIND AND VISIBILITY...NORTHEAST WINDS OF 20 TO 30 MPH WITH GUSTS TO 40 MPH WILL CAUSE BLOWING SNOW WITH VISIBILITY BELOW A QUARTER MILE AT TIMES. WINDS WILL DECREASE AFTER MIDNIGHT. * MAIN IMPACT...AS OF 7 PM...HIGHWAYS 135...287 AND 789 IN SOUTHEAST FREMONT COUNTY WERE CLOSED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. PLEASE CHECK THE LATEST ROAD CONDITIONS BY DIALING 511 OR OR BY LOGGING ON TO MAP.WYOROAD.INFO. && $$ WYZ028>030-021115- /O.CON.KRIW.WW.Y.0007.000000T0000Z-160202T1600Z/ ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE-EAST SWEETWATER COUNTY- INCLUDING THE CITIES OF...ROCK SPRINGS...GREEN RIVER...WAMSUTTER 733 PM MST MON FEB 1 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST TUESDAY... * TIMING...PERIODS OF SNOW...MODERATE AT TIMES...FOR THE REMAINDER OF TONIGHT...ESPECIALLY IMPACTING AREAS EAST OF ROCK SPRINGS. * SNOWFALL TOTALS THROUGH MONDAY AFTERNOON...2 TO 3 INCHES REPORTED IN THE GREEN RIVER AND ROCK SPRINGS AREA. * ADDITIONAL SNOWFALL TONIGHT...ONE INCH IN THE GREEN RIVER AND ROCK SPRINGS AREA...BUT 2 TO 4 INCHES OVER THE EASTERN TWO...THIRDS OF SWEETWATER COUNTY...INCLUDING WAMSUTTER. * WIND AND VISIBILITY...NORTH TO NORTHEAST WINDS OF 25 TO 35 MPH WITH GUSTS TO 45 MPH WILL CONTINUE TO CAUSE SIGNIFICANT BLOWING SNOW WITH VISIBILITY NEAR ZERO AT TIMES ACROSS RURAL...EASTERN SWEETWATER COUNTY. * MAIN IMPACT...AS OF 7 PM...INTERSTATE 80 WAS CLOSED EAST OF ROCK SPRINGS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. PLEASE CHECK THE LATEST ROAD CONDITIONS BY DIALING 511 OR OR BY LOGGING ON TO MAP.WYOROAD.INFO. && $$ WYZ027-021115- /O.CON.KRIW.WW.Y.0007.000000T0000Z-160202T1600Z/ SOUTH LINCOLN COUNTY- INCLUDING THE CITIES OF...KEMMERER...COKEVILLE 733 PM MST MON FEB 1 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST TUESDAY... * TIMING...PERIODS OF LIGHT SNOW WILL CONTINUE FOR THE REMAINDER OF TONIGHT. * TOTAL SNOWFALL...2 TO 4 INCHES. * VISIBILITY...UNDER A MILE AT TIMES. * MAIN IMPACT...ROADS WILL BE SLICK. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. PLEASE CHECK THE LATEST ROAD CONDITIONS BY DIALING 511 OR OR BY LOGGING ON TO MAP.WYOROAD.INFO. && $$ WYZ017-021115- /O.CON.KRIW.WW.Y.0007.000000T0000Z-160202T1600Z/ WIND RIVER BASIN- INCLUDING THE CITIES OF...RIVERTON...SHOSHONI 733 PM MST MON FEB 1 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST TUESDAY... * TIMING...SNOW WITH BRISK NORTHEAST WINDS WILL CONTINUE THROUGH TONIGHT BEFORE TAPERING OFF TUESDAY MORNING. THE HEAVIEST SNOW IS EXPECTED TO FALL THROUGH MIDNIGHT...SOUTH OF RIVERTON. * SNOWFALL TOTALS FOR MONDAY AND MONDAY NIGHT...RANGING FROM 1 INCH AROUND SHOSHONI...TO BETWEEN 2 AND 3 INCHES IN RIVERTON...AND UP TO 5 INCHES IN HUDSON. * WIND AND VISIBILITY...NORTH TO NORTHEAST WINDS OF 15 TO 25 MPH WITH GUSTS AS HIGH AS 40 MPH...WILL CAUSE SIGNIFICANT BLOWING SNOW. VISIBILITY IN A COMBINATION OF SNOW AND BLOWING SNOW WILL BE AROUND HALF MILE AT TIMES. * MAIN IMPACT...ROADS WILL BE SNOW PACKED AND ICY WITH DRIFTING SNOW AND POOR VISIBILITY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. PLEASE CHECK THE LATEST ROAD CONDITIONS BY DIALING 511 OR OR BY LOGGING ON TO MAP.WYOROAD.INFO. && $$ WYZ011-021115- /O.CON.KRIW.WW.Y.0007.000000T0000Z-160202T1600Z/ SOUTHEAST JOHNSON COUNTY- INCLUDING THE CITY OF...KAYCEE 733 PM MST MON FEB 1 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST TUESDAY... * TIMING...SNOW WITH BRISK NORTHEAST WINDS WILL CONTINUE THROUGH TONIGHT BEFORE TAPERING OFF TUESDAY MORNING. THE HEAVIEST SNOW AND STRONGEST WINDS ARE EXPECTED THROUGH MIDNIGHT. * SNOWFALL TOTALS THROUGH MONDAY AFTERNOON...AROUND AN INCH OF SNOW HAS FALLEN IN SOUTHERN JOHNSON COUNTY. * ADDITIONAL SNOWFALL TONIGHT...2 AND 3 INCHES. * WIND AND VISIBILITY...NORTH WINDS OF 15 TO 25 MPH WITH GUSTS AS HIGH AS 35 MPH WILL CAUSE SIGNIFICANT BLOWING SNOW. VISIBILITY IN SNOW AND BLOWING SNOW WILL BE A QUARTER MILE OR LESS AT TIMES. * MAIN IMPACT...ROADS WILL BE SNOW PACKED AND ICY WITH DRIFTING SNOW AND POOR VISIBILITY. DRIVING WILL BE DIFFICULT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. PLEASE CHECK THE LATEST ROAD CONDITIONS BY DIALING 511 OR OR BY LOGGING ON TO MAP.WYOROAD.INFO. && $$ TEAM RIVERTON/21
756 WWUS45 KRIW 020826 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 126 AM MST TUE FEB 2 2016 ...SIGNIFICANT SNOW AND BLOWING SNOW CONTINUES ACROSS MUCH OF CENTRAL AND SOUTHERN WYOMING... .THE NORTHERN PORTION OF A LARGE WINTER STORM CROSSING THE ROCKIES INTO THE PLAINS WILL CONTINUE TO IMPACT MUCH OF CENTRAL AND SOUTHERN WYOMING THIS MORNING. THE HEAVIEST SNOWFALL HAS ALREADY OCCURRED BUT GUSTY WINDS WILL CONTINUE TO CAUSE LOW VISIBILITY IN BLOWING SNOW. IMPROVING CONDITIONS ARE EXPECTED THIS MORNING AS THE STORM LIFTS AWAY FROM THE AREA. WYZ020-022-021600- /O.CON.KRIW.WS.W.0003.000000T0000Z-160202T1600Z/ NATRONA COUNTY LOWER ELEVATIONS-CASPER MOUNTAIN- INCLUDING THE CITY OF...CASPER 126 AM MST TUE FEB 2 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 AM MST THIS MORNING... * TIMING...SNOW BECOMING LIGHTER AND WINDS GRADUALLY WEAKENING THROUGH THE MORNING. * SNOWFALL TOTALS THROUGH MONDAY NIGHT...5 TO 10 INCHES WITH 2 TO 3 FOOT DRIFTS AROUND CASPER. 10 TO 14 INCHES ON CASPER MOUNTAIN. * ADDITIONAL SNOWFALL...1 TO 3 INCHES. * WIND AND VISIBILITY...NORTHEAST WINDS OF 20 TO 25 MPH WITH GUSTS TO 35 MPH WILL CAUSE BLOWING SNOW WITH VISIBILITY BELOW A QUARTER MILE AT TIMES. * MAIN IMPACT...TRAVEL WILL BE DIFFICULT TO NEARLY IMPOSSIBLE ESPECIALLY IN RURAL AREAS. IMPROVING CONDITIONS ARE EXPECTED AFTER SUNRISE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW AND BLOWING SNOW WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. PLEASE CHECK THE LATEST ROAD CONDITIONS BY DIALING 511 OR OR BY LOGGING ON TO MAP.WYOROAD.INFO. && $$ WYZ015-018-021600- /O.CON.KRIW.WW.Y.0007.000000T0000Z-160202T1600Z/ WIND RIVER MOUNTAINS EAST-LANDER FOOTHILLS- INCLUDING THE CITY OF...LANDER 126 AM MST TUE FEB 2 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST THIS MORNING... * TIMING...PERIODS LIGHT SNOW WILL PERSIST THROUGH THE MORNING. * SNOWFALL TOTALS THROUGH MONDAY NIGHT...AROUND 3 INCHES IN LANDER AND AROUND 1 FOOT ABOVE LANDER AROUND SINKS CANYON. * ADDITIONAL SNOWFALL...1 TO 3 INCHES * WIND AND VISIBILITY...NORTHEAST WINDS OF 20 TO 25 MPH WITH GUSTS AS HIGH AS 45 MPH ON SOUTH PASS WILL CAUSE BLOWING SNOW WITH VISIBILITY NEAR ZERO AT TIMES. * MAIN IMPACT...TRAVEL WILL BE DIFFICULT TONIGHT ESPECIALLY IN RURAL AREAS INCLUDING SOUTH PASS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. PLEASE CHECK THE LATEST ROAD CONDITIONS BY DIALING 511 OR OR BY LOGGING ON TO MAP.WYOROAD.INFO. && $$ WYZ019-021600- /O.CON.KRIW.WW.Y.0007.000000T0000Z-160202T1600Z/ GREEN MOUNTAINS AND RATTLESNAKE RANGE- INCLUDING THE CITY OF...JEFFREY CITY 126 AM MST TUE FEB 2 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST THIS MORNING... * TIMING...PERIODS OF LIGHT TO MODERATE SNOW WILL PERSIST THROUGH THE MORNING. * SNOWFALL TOTALS THROUGH MONDAY NIGHT...2 TO 4 INCHES WERE REPORTED IN MOST AREAS. TWO FOOT DRIFTS WERE REPORTED IN BAIROIL. * ADDITIONAL SNOWFALL...1 TO 3 INCHES * WIND AND VISIBILITY...NORTHEAST WINDS OF 20 TO 30 MPH WITH GUSTS TO 40 MPH WILL CAUSE BLOWING SNOW WITH VISIBILITY BELOW A QUARTER MILE AT TIMES. WINDS WILL DECREASE AFTER MIDNIGHT. * MAIN IMPACT...AS OF 1 AM...HIGHWAYS 135...287 AND 789 IN SOUTHEAST FREMONT COUNTY WERE CLOSED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. PLEASE CHECK THE LATEST ROAD CONDITIONS BY DIALING 511 OR OR BY LOGGING ON TO MAP.WYOROAD.INFO. && $$ WYZ028>030-021600- /O.CON.KRIW.WW.Y.0007.000000T0000Z-160202T1600Z/ ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE-EAST SWEETWATER COUNTY- INCLUDING THE CITIES OF...ROCK SPRINGS...GREEN RIVER...WAMSUTTER 126 AM MST TUE FEB 2 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST THIS MORNING... * TIMING...PERIODS OF LIGHT SNOW WILL PERSIST THIS MORNING. * SNOWFALL TOTALS THROUGH MONDAY NIGHT...2 TO 3 INCHES REPORTED IN THE GREEN RIVER AND ROCK SPRINGS AREA. 6 INCHES WAS REPORTED AROUND WAMSUTTER. * ADDITIONAL SNOWFALL...MOST AREAS WILL PICK UP LESS THAN AN INCH THROUGH THE MORNING. * WIND AND VISIBILITY...NORTH TO NORTHEAST WINDS OF 25 TO 35 MPH WITH GUSTS TO 45 MPH WILL CONTINUE TO CAUSE SIGNIFICANT BLOWING SNOW WITH VISIBILITY NEAR ZERO AT TIMES ACROSS RURAL... EASTERN SWEETWATER COUNTY. * MAIN IMPACT...AS OF 7 PM...INTERSTATE 80 WAS CLOSED EAST OF ROCK SPRINGS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. PLEASE CHECK THE LATEST ROAD CONDITIONS BY DIALING 511 OR OR BY LOGGING ON TO MAP.WYOROAD.INFO. && $$ WYZ027-021600- /O.CON.KRIW.WW.Y.0007.000000T0000Z-160202T1600Z/ SOUTH LINCOLN COUNTY- INCLUDING THE CITIES OF...KEMMERER...COKEVILLE 126 AM MST TUE FEB 2 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST THIS MORNING... * TIMING...PERIODS OF LIGHT SNOW WILL CONTINUE FOR THE REMAINDER OF TONIGHT. * TOTAL SNOWFALL...2 TO 4 INCHES. * VISIBILITY...UNDER A MILE AT TIMES. * MAIN IMPACT...ROADS WILL BE SLICK. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. PLEASE CHECK THE LATEST ROAD CONDITIONS BY DIALING 511 OR OR BY LOGGING ON TO MAP.WYOROAD.INFO. && $$ WYZ017-021600- /O.CON.KRIW.WW.Y.0007.000000T0000Z-160202T1600Z/ WIND RIVER BASIN- INCLUDING THE CITIES OF...RIVERTON...SHOSHONI 126 AM MST TUE FEB 2 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST THIS MORNING... * TIMING...LIGHT SNOW WILL PERSIST THIS MORNING. * SNOWFALL TOTALS THROUGH MONDAY NIGHT...MOST AREAS WERE REPORTING BETWEEN 1 AND 2 INCHES. * WIND AND VISIBILITY...NORTH TO NORTHEAST WINDS OF 15 TO 25 MPH WITH GUSTS AS HIGH AS 40 MPH...WILL CAUSE SIGNIFICANT BLOWING SNOW. VISIBILITY IN A COMBINATION OF SNOW AND BLOWING SNOW WILL BE AROUND HALF MILE AT TIMES. * MAIN IMPACT...ROADS WILL BE SNOW PACKED AND ICY WITH DRIFTING SNOW AND POOR VISIBILITY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. PLEASE CHECK THE LATEST ROAD CONDITIONS BY DIALING 511 OR OR BY LOGGING ON TO MAP.WYOROAD.INFO. && $$ WYZ011-021600- /O.CON.KRIW.WW.Y.0007.000000T0000Z-160202T1600Z/ SOUTHEAST JOHNSON COUNTY- INCLUDING THE CITY OF...KAYCEE 126 AM MST TUE FEB 2 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST THIS MORNING... * TIMING...LIGHT SNOW WILL PERSIST THIS MORNING. * SNOWFALL TOTALS THROUGH MONDAY NIGHT...AROUND AN INCH OF SNOW HAS FALLEN IN SOUTHERN JOHNSON COUNTY. * ADDITIONAL SNOWFALL...1 TO 2 INCHES. * WIND AND VISIBILITY...NORTH WINDS OF 15 TO 25 MPH WITH GUSTS AS HIGH AS 35 MPH WILL CAUSE SIGNIFICANT BLOWING SNOW. VISIBILITY IN SNOW AND BLOWING SNOW WILL BE A QUARTER MILE OR LESS AT TIMES. * MAIN IMPACT...ROADS WILL BE SNOW PACKED AND ICY WITH DRIFTING SNOW AND POOR VISIBILITY. DRIVING WILL BE DIFFICULT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. PLEASE CHECK THE LATEST ROAD CONDITIONS BY DIALING 511 OR OR BY LOGGING ON TO MAP.WYOROAD.INFO. && $$
798 WWUS45 KRIW 021445 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 745 AM MST TUE FEB 2 2016 ...SIGNIFICANT SNOW AND BLOWING SNOW CONTINUES ACROSS MUCH OF CENTRAL AND SOUTHERN WYOMING... .THE NORTHERN PORTION OF A LARGE WINTER STORM MOVING INTO KANSAS WILL CONTINUE TO BRING LIGHT SNOW TO CENTRAL WYOMING THIS MORNING. THE HEAVIEST SNOWFALL HAS ALREADY OCCURRED BUT GUSTY WINDS WILL CONTINUE TO CAUSE LOW VISIBILITY IN BLOWING SNOW. IMPROVING CONDITIONS ARE EXPECTED THIS MORNING AS THE STORM LIFTS AWAY FROM THE AREA. WYZ020-022-021600- /O.CON.KRIW.WS.W.0003.000000T0000Z-160202T1600Z/ NATRONA COUNTY LOWER ELEVATIONS-CASPER MOUNTAIN- INCLUDING THE CITY OF...CASPER 745 AM MST TUE FEB 2 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 AM MST THIS MORNING... * TIMING...SNOW BECOMING LIGHTER AND WINDS GRADUALLY WEAKENING THROUGH THE MORNING. * SNOWFALL TOTALS THROUGH MONDAY NIGHT...10 TO 14 INCHES WITH 2 TO 3 FOOT DRIFTS AROUND CASPER. 15 TO 21 INCHES ON CASPER MOUNTAIN. * ADDITIONAL SNOWFALL...LESS THAN AN INCH. * WIND...NORTHEAST WINDS OF 10 TO 20 MPH. * MAIN IMPACT...TRAVEL WILL BE DIFFICULT TO NEARLY IMPOSSIBLE ESPECIALLY IN RURAL AREAS. IMPROVING CONDITIONS ARE EXPECTED AFTER SUNRISE. HIGHWAY 20 26 BETWEEN CASPER AND SHOSHONI WAS STILL CLOSED AT 7 AM. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW AND BLOWING SNOW WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. PLEASE CHECK THE LATEST ROAD CONDITIONS BY DIALING 511 OR OR BY LOGGING ON TO MAP.WYOROAD.INFO. && $$ WYZ015-018-021600- /O.CON.KRIW.WW.Y.0007.000000T0000Z-160202T1600Z/ WIND RIVER MOUNTAINS EAST-LANDER FOOTHILLS- INCLUDING THE CITY OF...LANDER 745 AM MST TUE FEB 2 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST THIS MORNING... * TIMING...PERIODS LIGHT SNOW WILL PERSIST THROUGH THE MORNING. * SNOWFALL TOTALS THROUGH MONDAY NIGHT...AROUND 3 INCHES IN LANDER AND AROUND 1 FOOT ABOVE LANDER AROUND SINKS CANYON. * ADDITIONAL SNOWFALL...LESS THAN AN INCH. * WIND AND VISIBILITY...NORTHEAST WINDS OF 10 TO 20 MPH WITH GUSTS AS HIGH AS 30 MPH ON SOUTH PASS WILL CAUSE BLOWING SNOW WITH SHARPLY REDUCED VISIBILITY AT TIMES. * MAIN IMPACT...TRAVEL WILL BE DIFFICULT TONIGHT ESPECIALLY IN RURAL AREAS INCLUDING SOUTH PASS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. PLEASE CHECK THE LATEST ROAD CONDITIONS BY DIALING 511 OR OR BY LOGGING ON TO MAP.WYOROAD.INFO. && $$ WYZ019-021600- /O.CON.KRIW.WW.Y.0007.000000T0000Z-160202T1600Z/ GREEN MOUNTAINS AND RATTLESNAKE RANGE- INCLUDING THE CITY OF...JEFFREY CITY 745 AM MST TUE FEB 2 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST THIS MORNING... * TIMING...PERIODS OF LIGHT TO MODERATE SNOW WILL PERSIST THROUGH THE MORNING. * SNOWFALL TOTALS THROUGH MONDAY NIGHT...2 TO 4 INCHES WERE REPORTED IN MOST AREAS. TWO FOOT DRIFTS WERE REPORTED IN BAIROIL. * ADDITIONAL SNOWFALL...LESS THAN AN INCH. * WIND...NORTHEAST WINDS OF 10 TO 20 MPH. * MAIN IMPACT...AS OF 7 AM...HIGHWAYS 135...287 AND 789 IN SOUTHEAST FREMONT COUNTY WERE CLOSED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. PLEASE CHECK THE LATEST ROAD CONDITIONS BY DIALING 511 OR OR BY LOGGING ON TO MAP.WYOROAD.INFO. && $$ WYZ028>030-021600- /O.CON.KRIW.WW.Y.0007.000000T0000Z-160202T1600Z/ ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE-EAST SWEETWATER COUNTY- INCLUDING THE CITIES OF...ROCK SPRINGS...GREEN RIVER...WAMSUTTER 745 AM MST TUE FEB 2 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST THIS MORNING... * TIMING...PERIODS OF LIGHT SNOW WILL PERSIST THIS MORNING. * SNOWFALL TOTALS THROUGH MONDAY NIGHT...2 TO 3 INCHES REPORTED IN THE GREEN RIVER AND ROCK SPRINGS AREA. 6 INCHES WAS REPORTED AROUND WAMSUTTER. * ADDITIONAL SNOWFALL...MOST AREAS WILL PICK UP LESS THAN AN INCH THROUGH THE MORNING. * WIND AND VISIBILITY...NORTH TO NORTHEAST WINDS OF 15 TO 25 MPH WITH AREAS OF BLOWING SNOW WITH VISIBILITY NEAR UNDER ONE HALF MILE AT TIMES ACROSS RURAL... EASTERN SWEETWATER COUNTY. * MAIN IMPACT...AS OF 7 AM...INTERSTATE 80 WAS CLOSED EAST OF ROCK SPRINGS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. PLEASE CHECK THE LATEST ROAD CONDITIONS BY DIALING 511 OR OR BY LOGGING ON TO MAP.WYOROAD.INFO. && $$ WYZ027-021600- /O.CON.KRIW.WW.Y.0007.000000T0000Z-160202T1600Z/ SOUTH LINCOLN COUNTY- INCLUDING THE CITIES OF...KEMMERER...COKEVILLE 745 AM MST TUE FEB 2 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST THIS MORNING... * TIMING...PERIODS OF LIGHT SNOW WILL CONTINUE THROUGH 9 AM BEFORE ENDING. * TOTAL SNOWFALL...2 TO 4 INCHES. * VISIBILITY...UNDER A MILE AT TIMES. * MAIN IMPACT...ROADS WILL BE SLICK. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. PLEASE CHECK THE LATEST ROAD CONDITIONS BY DIALING 511 OR OR BY LOGGING ON TO MAP.WYOROAD.INFO. && $$ WYZ017-021600- /O.CON.KRIW.WW.Y.0007.000000T0000Z-160202T1600Z/ WIND RIVER BASIN- INCLUDING THE CITIES OF...RIVERTON...SHOSHONI 745 AM MST TUE FEB 2 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST THIS MORNING... * TIMING...LIGHT SNOW WILL PERSIST THIS MORNING. * SNOWFALL TOTALS THROUGH MONDAY NIGHT...MOST AREAS WERE REPORTING BETWEEN 1 AND 3 INCHES. LITTLE ADDITIONAL SNOW IS EXPECTED. * MAIN IMPACT...ROADS WILL BE SNOW PACKED AND ICY WITH DRIFTING SNOW AND POOR VISIBILITY. HIGHWAY 20 26 REMAINED CLOSED AS OF 7 AM EAST OF SHOSHONI. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. PLEASE CHECK THE LATEST ROAD CONDITIONS BY DIALING 511 OR OR BY LOGGING ON TO MAP.WYOROAD.INFO. && $$ WYZ011-021600- /O.CON.KRIW.WW.Y.0007.000000T0000Z-160202T1600Z/ SOUTHEAST JOHNSON COUNTY- INCLUDING THE CITY OF...KAYCEE 745 AM MST TUE FEB 2 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST THIS MORNING... * TIMING...LIGHT SNOW WILL PERSIST THIS MORNING. * SNOWFALL TOTALS...1 TO 3 INCHES OF SNOW HAS FALLEN IN SOUTHERN JOHNSON COUNTY AS OF EARLY THIS MORNING. * ADDITIONAL SNOWFALL...LESS THAN AN INCH. * WIND...NORTH OF 10 TO 20 MPH. * MAIN IMPACT...ROADS WILL BE SNOW PACKED AND ICY WITH DRIFTING SNOW AND POOR VISIBILITY. DRIVING WILL BE DIFFICULT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. PLEASE CHECK THE LATEST ROAD CONDITIONS BY DIALING 511 OR OR BY LOGGING ON TO MAP.WYOROAD.INFO. && $$ TEAM RIVERTON
267 WWUS45 KRIW 021604 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 904 AM MST TUE FEB 2 2016 ...HEAVY SNOW WILL BE ENDING ACROSS MUCH OF SOUTHERN...CENTRAL AND NORTHEAST WYOMING THIS MORNING... .THE STORM CENTER THAT WAS RESPONSIBLE FOR DELIVERING THE SUBSTANTIAL SNOW AMOUNTS TO MUCH OF SOUTHERN...CENTRAL AND NORTHEAST WYOMING HAS EXITED WELL TO THE EAST OVER KANSAS. THUS...THE SNOWFALL HAS DIMINISHED AND THE WINTER STORM WARNINGS AND WINTER WEATHER ADVISORIES FOR THESE AREAS HAVE BEEN ALLOWED TO EXPIRE. WYZ020-022-021715- /O.EXP.KRIW.WS.W.0003.000000T0000Z-160202T1600Z/ NATRONA COUNTY LOWER ELEVATIONS-CASPER MOUNTAIN- INCLUDING THE CITY OF...CASPER 904 AM MST TUE FEB 2 2016 ...WINTER STORM WARNING HAS EXPIRED... THE STORM CENTER THAT WAS RESPONSIBLE FOR DELIVERING THE SUBSTANTIAL SNOW AMOUNTS TO MUCH OF SOUTHERN...CENTRAL AND NORTHEAST WYOMING HAS EXITED WELL TO THE EAST OVER KANSAS. THUS...THE SNOWFALL HAS DIMINISHED AND THE WINTER STORM WARNING FOR THESE AREAS HAVE BEEN ALLOWED TO EXPIRE. $$ WYZ011-015-017>019-027>030-021715- /O.EXP.KRIW.WW.Y.0007.000000T0000Z-160202T1600Z/ SOUTHEAST JOHNSON COUNTY-WIND RIVER MOUNTAINS EAST- WIND RIVER BASIN-LANDER FOOTHILLS- GREEN MOUNTAINS AND RATTLESNAKE RANGE-SOUTH LINCOLN COUNTY- ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE-EAST SWEETWATER COUNTY- INCLUDING THE CITIES OF...KAYCEE...RIVERTON...SHOSHONI...LANDER... JEFFREY CITY...KEMMERER...COKEVILLE...ROCK SPRINGS... GREEN RIVER...WAMSUTTER 904 AM MST TUE FEB 2 2016 ...WINTER WEATHER ADVISORY HAS EXPIRED.... THE STORM CENTER THAT WAS RESPONSIBLE FOR DELIVERING THE SUBSTANTIAL SNOW AMOUNTS TO MUCH OF SOUTHERN...CENTRAL AND NORTHEAST WYOMING HAS EXITED WELL TO THE EAST OVER KANSAS. THUS...THE SNOWFALL HAS DIMINISHED AND THE WINTER WEATHER ADVISORIES FOR THESE AREAS HAVE BEEN ALLOWED TO EXPIRE. $$ 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 Feb 1, 11:00 AM MST, 5 hours 39 minutes earlier.
Area forecast discussion, Feb 1, 11:00 AM MST, 5 hours 39 minutes before
AREA FORECAST DISCUSSION...UPDATE NATIONAL WEATHER SERVICE RIVERTON WY 1100 AM MST MON FEB 1 2016 .SHORT TERM...TODAY THROUGH WEDNESDAY NIGHT TODAY AND TONIGHT...A LARGE UPPER LOW ENTERS THE FOUR CORNERS AREA AROUND NOON WITH WRAP AROUND MOISTURE MAKING IT AS FAR WEST AS THE WIND RIVER BASIN AND AS FAR NORTH AS JOHNSON COUNTY. SINCE THE WIND RIVER BASIN WILL BE ON THE EDGE OF THE PRECIPITATION AND THERE WILL BE SOME DOWNSLOPING OFF OF THE OWL CREEKS...WENT AHEAD AND KEPT AREAS NORTH OF LANDER OUT OF THE ADVISORY EVEN THOUGH THE HUDSON AREA WILL LIKELY ACCUMULATE MORE THAN 3 INCHES...IF THE WINDS OFF OF THE OWL CREEKS ARE NOT AS STRONG AS ANTICIPATED...RIVERTON COULD ACCUMULATE ADVISORY LEVEL SNOWS. IT IS DIFFICULT TO TELL AT THIS TIME WHERE THAT GRADIENT WILL SET UP...SO STAY TUNED. ANOTHER TRICKY AREA WILL BE CASPER AND EASTERN SWEETWATER COUNTY. THE HEAVIEST SNOW AND STRONGEST WINDS LOOK LIKE THEY WILL STAY ALONG INTERSTATE 80 EAST OF ROCK SPRINGS AND CASPER WILL ALSO GET SEVERAL INCHES OF SNOW OUT OF THIS STORM WITH OVER 3 INCHES LIKELY ACROSS THE METRO AREA...AND UP TO 10 INCHES ON CASPER MOUNTAIN. 700MB FLOW IS A LITTLE TOO EASTERLY FOR CASPER...AS IS THE SURFACE FLOW...BUT THE LAYER TEMPERATURES OVER CASPER SUPPORT GOOD DENDRITIC GROWTH...THE LONG PERIOD OF TIME THAT THE CASPER AREA SHOULD BE IN THE HEAVIER SNOW...AND THE ADDED IMPACT OF THE WIND ON THE FALLING SNOW WOULD PUT IT IN THE HIGH END ADVISORY TO LOW END WARNING CRITERIA. THIS IS ANOTHER AREA THAT SHOULD BE WATCHED CLOSELY FOR POTENTIAL UPDATES LATER THIS MORNING...BUT DID NOT SEE ENOUGH CHANGES TO THE FORECAST TO JUSTIFY AN UPGRADE AT THIS TIME. EITHER WAY...EXPECT THE EVENING COMMUTE TO BE DIFFICULT AND SLOW TODAY. SOUTH PASS IS ALSO EXPECTED TO BE IMPACTED BY THIS STORM NEAR BLIZZARD CONDITIONS POSSIBLE AT TIMES...THOUGHT ABOUT ADDING THE OTHER SIDE OF THE WIND RIVERS TO THE ADVISORY BUT THERE WILL BE CONSIDERABLE DOWNSLOPING FOR MUCH OF THE ZONE AND THOUGHT THAT THE ADVISORY ALONG THE UPSLOPE PORTION OF THE WIND RIVERS ADEQUATELY COVERS THE THREAT FOR SOUTH PASS. REGARDLESS OF WHETHER THERE IS AN ADVISORY OR WARNING...TRAVEL WILL BE DIFFICULT TO IMPOSSIBLE FOR HIGH PROFILE VEHICLES AND LIGHT TRAILERS ALONG PORTIONS OF INTERSTATES 80 AND 25 AND THEIR FEEDER ROUTES...AS WELL AS OVER SOUTH PASS AS THE DAY GOES ON. MOST OF THE DYNAMIC FORCING WITH THE LOW WILL REMAIN TO THE SOUTH BUT THERE WILL BE SOME DIFFUSE FORCING FOR ASCENT ALONG THE FRONT END OF THE TROUGH AS IT DIGS ACROSS THE INTERMOUNTAIN WEST. THIS SYSTEM WILL BE LESS CONVECTIVE WHEN COMPARED TO THE LAST SYSTEM SO THAT AT LEAST REMOVES ONE ELEMENT OF CHAOS. ASIDE FROM THE AFOREMENTIONED AREAS...THERE WILL BE AT LEAST A CHANCE FOR LIGHT SNOW NORTH AND WEST OF THE ADVISED AREAS WITH GENERALLY LESS THAN AN INCH OF SNOW EXPECTED. TUESDAY...GRADUAL DRYING AND SOME CLEARING AS OUR STORM PULLS OUT INTO THE PLAINS WITH OCCASIONAL FLURRIES LEFTOVER INTO THE AFTERNOON. CHILLY NORTHWEST FLOW WILL TAKEOVER WITH A CHANCE FOR A WEAK DISTURBANCE PASSING THROUGH LATE TUESDAY NIGHT...WHICH COULD DELIVER A LITTLE MORE THAN A FLURRY ACROSS THE NORTH AND WEST...IN ADDITION TO WIND CHILLS BELOW ZERO ACROSS WESTERN AND CENTRAL WYOMING...WITH SOME WIND CHILLS APPROACHING 20 BELOW ALONG THE INTERSTATE 80 CORRIDOR AND IN THE WESTERN MOUNTAINS. WEDNESDAY...RIDGING BUILDS INTO THE REGION WITH SOME FLATTENING LATE WEDNESDAY NIGHT. WAA AND DIFLUENT FLOW AHEAD OF AN APPROACHING SHORT WAVE WILL INCREASE THE CHANCE FOR SNOW IN THE WESTERN MOUNTAINS LATE...OTHERWISE WEDNESDAY WILL BE BREEZY...ESPECIALLY IN THE CODY FOOTHILLS AND ACROSS THE SOUTH...AND COOL AS MILD AIR ALOFT TAKES ITS TIME FILTERING IN FROM THE WEST. .LONG TERM...THURSDAY THROUGH MONDAY A WEATHER SYSTEM WILL MOVE THROUGH THE REGION THURSDAY AND THURS NIGHT...EXITING THE EASTERN ZONES FRIDAY MORNING. THE SYSTEM IS WEAKER ON THE GFS/ECMWF MODELS TONIGHT THAN LAST NIGHT...THUS IMPACT MAY BE LESS. KEEP BEST CHANCE OF SNOW IN THE MOUNTAINS WITH LESSER CHANCE LOWER ELEVATIONS. FRIDAY AND SATURDAY LOOK DRY FOR MOST PLACES. SOME LIGHT SNOW MAY DEVELOP IN NW WY SATURDAY AFTERNOON AHEAD OF THE NEXT WEATHER SYSTEM. HIGH TEMPS THURSDAY SEASONABLY COLD...THEN SLIGHTLY MILDER FRIDAY AND SATURDAY. THE WEATHER PATTERN BECOMES HIGHLY AMPLIFIED SATURDAY NIGHT THROUGH NEXT SUNDAY AND MONDAY. A BIG RIDGE OFF THE WEST COAST OCCURS WHILE A BIG TROUGH DEVELOPS IN THE PLAINS AND GREAT LAKES. THE VERY COLD AIR WILL HEAD OFF INTO THAT REGION BUT THERE WILL BE SOME COLDER AIR MOVING INTO WY FOR SUNDAY AND MONDAY. THE ECMWF MODEL IS COLDER THAN THE GFS THIS FAR OUT. LEANED TOWARD THE COLDER ECMWF MODEL FOR HIGHS AND LOWS NEXT SUNDAY AND MONDAY. AS FOR SNOW CHANCES...SOME LIGHT SNOW IS EXPECTED SUNDAY WITH THE ONSET OF THE COLDER AIR. THEN SCATTERED LIGHT SNOW TO OCCUR MONDAY. PLENTY OF TIME TO WATCH THIS PATTERN CHANGE AND MAKE ADJUSTMENTS AS NEEDED. && .AVIATION.../18Z ISSUANCE/ SNOW AND CONSIDERABLE BLOWING SNOW WILL CONTINUE TODAY AND TONIGHT AS A LARGE WINTER STORM IMPACTS THE CENTRAL AND SOUTHERN ROCKIES. WIDESPREAD IFR CONDITIONS IN VSBY REDUCTIONS AND LOW CIGS REMAIN FOR MUCH OF THE TAF FORECAST PERIOD ALONG AND SOUTHEAST OF KEMM-KLND- KBYG LINE. STRONG NORTH TO NORTHEAST WINDS WILL OCCUR IN MUCH OF THE SAME AREA CAUSING THE BLOWING SNOW. AIRFIELD MINIMUMS COULD OCCUR FOR SEVERAL HOURS AT KRKS DUE TO VSBY RESTRICTIONS IN SN AND BLSN WITH THE BEST CHANCE BETWEEN 19Z AND 01Z. ALSO CPR COULD ALSO SEE AIRFIELD MINIMUMS...BUT CONFIDENCE IS NOT AS HIGH AS KRKS. HAVE KEPT BOTH TERMINALS JUST ABOVE AIRFIELD MINIMUMS FOR NOW. KPNA MAIN ISSUE WILL BE LOW LEVEL WIND SHEAR FROM THE NORTHEAST TODAY...AS DOWNSLOPING SHOULD KEEP THEM DRY. KJAC TERMINAL WILL BE LEAST IMPACTED FROM THIS SYSTEM WITH ONLY SOME SNOW SHOWERS IMPACTING THE AREA...WITH VFR CONDITIONS EXPECTED WITH A BREEZE FROM THE NORTH. PLEASE SEE THE AVIATION WEATHER CENTER FOR THE LATEST INFORMATION ON ICING AND TURBULENCE FORECASTS. && .FIRE WEATHER... PERIODS OF SNOW AND GUSTY WINDS ACROSS THE FORECAST AREA WILL RESULT IN FAIR TO GOOD SMOKE DISPERSION TODAY...ESPECIALLY ACROSS CASPER AND RAWLINS DISPATCH. MIXING HEIGHTS LOWER A BIT AFTER TODAY BUT VARIABLE CLOUD COVER AND OCCASIONAL BREEZES WILL KEEP SMOKE DISPERSION FROM BOTTOMING OUT ACROSS THE BOARD...THOUGH THERE WILL BE SOME INVERSIONS RETURNING TO VALLEYS AND BASINS AFTER TONIGHT...WITH SOME IMPROVEMENT DURING THE DAY. THERE WILL BE A FEW SHOTS AT SOME MORE SNOW AS THE WEEK MOVES ALONG BUT NOTHING ORGANIZED OR WIDESPREAD ON THE HORIZON. A STRONG RIDGE COULD BE BUILDING IN NEXT WEEK...WITH DRIER AND CALMER WEATHER POSSIBLE...IN ADDITION TO SOME STRONG INVERSIONS IN ANY SNOW COVERED VALLEYS OR BASINS. && .RIW WATCHES/WARNINGS/ADVISORIES... WINTER WEATHER ADVISORY FROM 9 AM THIS MORNING TO 9 AM MST TUESDAY FOR WYZ015-018>020-022. WINTER WEATHER ADVISORY UNTIL 9 AM MST TUESDAY FOR WYZ027>030. && SHORT TERM...ALLEN LONG TERM...AR AVIATION...WM/LIPSON WEATHER...ALLEN
Hazardous weather outlook, Feb 1, 3:02 AM MST, 13 hours 37 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE RIVERTON WY 302 AM MST MON FEB 1 2016 WYZ001>020-022>030-021200- 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- 302 AM MST MON FEB 1 2016 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND CENTRAL WYOMING. ...WINTER WEATHER ADVISORIES FOR NATRONA...SOUTHERN FREMONT...SWEETWATER AND SOUTHERN LINCOLN COUNTIES FROM THIS MORNING INTO TUESDAY MORNING... .DAY ONE...TODAY AND TONIGHT SNOW AND BLOWING SNOW IS EXPECTED ACROSS NATRONA...SWEETWATER... FREMONT AND SOUTHERN LINCOLN COUNTIES WITH INCREASING NORTHEAST WINDS OF 25 TO 35 MPH WITH STRONGER GUSTS. TO THE NORTH AND WEST OF THESE COUNTIES STRONG WIND WITH AREAS OF LIGHT SNOW CAN BE EXPECTED. PRIMARY IMPACT WILL BE ON TRAVEL ALONG INTERSTATES 80...25 AND OVER SOUTH PASS. THE COMBINATION OF GUSTY WINDS AND PERIODS OF SNOW WILL MAKE TRAVEL FOR HIGH PROFILE VEHICLES AND LIGHT TRAILER TRAFFIC ESPECIALLY DIFFICULT BY THIS AFTERNOON AND INTO THE EVENING. THE EVENING COMMUTE AROUND CASPER COULD BE SLOW AND DIFFICULT AS WELL. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY WEDNESDAY AND THURSDAY...COLDER WITH BELOW ZERO LOWS IN THE WESTERN VALLEYS. SATURDAY NIGHT AND SUNDAY...A CHANCE OF SNOW OVER THE REGION. .SPOTTER INFORMATION STATEMENT... SPOTTERS ARE URGED TO REPORT SNOWFALL AMOUNTS. THANK YOU.
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.