Alert archive / Wyoming / Winter Storm Warnings in 2011
Winter Storm Warning 5, NWS Riverton, WY
NWS Riverton, WY issued this winter storm warning at Mar 6, 2011, 5:40 AM MST for 4 counties in Wyoming. It was in force for 15 hr. 33 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
- Mar 6, 2011, 5:40 AM MST (12:40 UTC)
- Expired
- Mar 6, 2011, 8:23 PM MST
- In force
- 15 hr
- Issued by
- NWS Riverton, WY
Counties Fremont County, WY, Lincoln County, WY, Sublette County, WY, Teton County, WY
The radar
The Riverton/Lander radar (KRIW), 120 km from the middle of the area, began a volume at 12:41 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 |
|---|---|---|---|
| Mar 6, 9:18 AM MST | HEAVY SNOW 7 | 8 Wnw Jackson, WY | PHILLIPS BENCH SNOTEL |
| Mar 6, 9:18 AM MST | HEAVY SNOW 10 | 25 Nw Dubois, WY | TOGWOTEE PASS SNOTEL |
| Mar 6, 9:19 AM MST | SNOW 1 | 24 Ese Boulder, WY | BIG SANDY OPENING SNOTEL |
| Mar 6, 9:19 AM MST | SNOW 4 | 12 Nne Pinedale, WY | ELKHART PARK G.S. SNOTEL |
| Mar 6, 9:20 AM MST | SNOW 1 | 14 W Crowheart, WY | COLD SPRINGS SNOTEL |
| Mar 6, 9:20 AM MST | SNOW 1 | 18 W Lander, WY | HOBBS PARK SNOTEL |
| Mar 6, 9:20 AM MST | SNOW 1 | 19 Ssw Lander, WY | DEER PARK SNOTEL |
| Mar 6, 9:20 AM MST | SNOW 2 | 25 Sw Lander, WY | LARSEN CREEK SNOTEL |
| Mar 6, 9:20 AM MST | SNOW 5 | 12 N Cora, WY | NEW FORK LAKE SNOTEL |
| Mar 6, 9:20 AM MST | HEAVY SNOW 6 | 22 N Cora, WY | KENDALL RANGER STATION SNOTEL |
| Mar 6, 9:21 AM MST | SNOW 1 | 12 Sw Lander, WY | TOWNSEND CREEK SNOTEL |
| Mar 6, 9:21 AM MST | SNOW 1 | 26 Nw Lander, WY | ST. LAWRENCE ALT SNOTEL |
| Mar 6, 9:21 AM MST | SNOW 1 | 7 Nw Atlantic City, WY | SOUTH PASS SNOTEL |
| Mar 6, 9:21 AM MST | SNOW 2 | 6 Wsw Dubois, WY | LITTLE WARM SNOTEL |
| Mar 6, 9:21 AM MST | HEAVY SNOW 11 | 17.2 E Thayne, WY | BLIND BULL SUMMIT |
| Mar 6, 9:22 AM MST | HEAVY SNOW 6 | 15 Nne Cokeville, WY | KELLEY RANGER STATION SNOTEL |
| Mar 6, 9:22 AM MST | HEAVY SNOW 7 | 8 Se Afton, WY | COTTONWOOD CREEK SNOTEL |
| Mar 6, 9:22 AM MST | HEAVY SNOW 9 | 36 N Kemmerer, WY | INDIAN CREEK SNOTEL |
| Mar 6, 9:23 AM MST | SNOW 5 | 15 S Afton, WY | SALT RIVER SUMMIT SNOTEL |
| Mar 6, 9:23 AM MST | HEAVY SNOW 8 | 19 Se Afton, WY | SPRING CREEK DIVIDE SNOTEL |
| Mar 6, 9:23 AM MST | HEAVY SNOW 12 | 17 E Afton, WY | TRIPLE PEAK SNOTEL |
| Mar 6, 9:24 AM MST | SNOW 5 | 12 Ese Bondurant, WY | EAST RIM DIVIDE SNOTEL |
| Mar 6, 9:24 AM MST | SNOW 5 | 26 Nw Dubois, WY | TOGWOTEE PASS |
| Mar 6, 9:27 AM MST | HEAVY SNOW 8 | Grand Targhee Ski Area, WY | |
| Mar 6, 9:30 AM MST | SNOW 5 | 16 Ne Dubois, WY | CASTLE CREEK SNOTEL |
| Mar 6, 9:30 AM MST | HEAVY SNOW 6 | 11 N Dubois, WY | BURROUGHS CREEK SNOTEL |
| Mar 6, 9:34 AM MST | HEAVY SNOW 10 | 10 N Bondurant, WY | GRANITE CREEK SNOTEL |
| Mar 6, 9:35 AM MST | SNOW 2 | 5 Sse Smoot, WY | |
| Mar 6, 9:35 AM MST | SNOW 4 | Moose, WY | |
| Mar 6, 9:35 AM MST | SNOW 5.5 | 2 Sw Teton Village, WY | |
| Mar 6, 9:37 AM MST | SNOW 0.8 | 14 Nw Pinedale, WY | |
| Mar 6, 9:39 AM MST | SNOW 2.5 | 31 Wsw Thermopolis, WY | |
| Mar 6, 9:41 AM MST | SNOW 3.7 | 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 12:00Z, 0.7 hours before the alert went out and 126 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
- 970 m above ground
- 0-6 km bulk shear
- 95 kt
- 0-1 km storm-relative helicity
- 99 m²/s²
- 0-3 km storm-relative helicity
- 387 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
051 WWUS45 KRIW 061240 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 540 AM MST SUN MAR 6 2011 ...A STORM SYSTEM BRINGS SNOW TO THE WEST TODAY... .SNOW WILL CONTINUE TODAY IN THE WEST WITH SEVERAL INCHES OF NEW SNOW EXPECTED IN THE MOUNTAINS. THE VALLEYS WILL ALSO SEE MODERATE SNOW AT TIMES TODAY. WYZ012-062100- /O.UPG.KRIW.WW.Y.0014.000000T0000Z-110307T0700Z/ /O.NEW.KRIW.WS.W.0005.110306T1240Z-110307T0700Z/ TETON AND GROS VENTRE MOUNTAINS- 540 AM MST SUN MAR 6 2011 ...WINTER STORM WARNING IN EFFECT UNTIL MIDNIGHT MST TONIGHT... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER STORM WARNING WHICH IS IN EFFECT UNTIL MIDNIGHT MST TONIGHT. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. * SUMMARY AND TIMING...LIGHT TO MODERATE SNOW WILL OCCUR TODAY OVER THE AREA. THE SNOW WILL TAPER OFF TOWARD MIDNIGHT. * SNOW REPORTS...SNOWFALL OVERNIGHT HAS RANGED FROM 6 TO 12 INCHES. * NEW SNOW ACCUMULATIONS...4 TO 8 INCHES. * WIND AND VISIBILITY...15 TO 20 MPH WIND SPEEDS WILL BRING VISIBILITY DOWN TO ONE HALF MILE AT TIMES. * IMPACTS...TETON PASS WILL BE SNOW PACKED AND SLICK. CHECK WWW.WYOROAD.INFO OR CALL 5 1 1 FOR ROAD CONDITIONS BEFORE YOU TRAVEL. 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. && $$ WYZ024-062100- /O.UPG.KRIW.WW.Y.0014.000000T0000Z-110307T0700Z/ /O.NEW.KRIW.WS.W.0005.110306T1240Z-110307T0700Z/ SALT RIVER AND WYOMING RANGES- 540 AM MST SUN MAR 6 2011 ...WINTER STORM WARNING IN EFFECT UNTIL MIDNIGHT MST TONIGHT... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER STORM WARNING WHICH IS IN EFFECT UNTIL MIDNIGHT MST TONIGHT. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. * SUMMARY AND TIMING...LIGHT TO MODERATE SNOW WILL OCCUR TODAY. THE SNOW WILL TAPER OFF BY MIDNIGHT. * SNOW REPORTS...SNOWFALL OVERNIGHT HAS RANGED FROM 4 TO 7 INCHES WITH AROUND 10 INCHES RECORDED IN THE NORTHERN PART OF THE RANGES. * NEW SNOW ACCUMULATIONS...4 TO 8 INCHES. * WIND AND VISIBILITY...15 TO 20 MPH WIND SPEEDS WILL BRING VISIBILITY DOWN TO ONE HALF MILE AT TIMES. * IMPACTS...AREA ROADS WILL BE SNOW PACKED AND SLICK. TAKE PRECAUTIONS IF YOU MUST TRAVEL OVER SALT RIVER PASS. FOR THE LATEST ROAD REPORT CALL 5 1 1. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ013-062100- /O.CON.KRIW.WW.Y.0014.000000T0000Z-110307T0700Z/ JACKSON HOLE- INCLUDING THE CITY OF...JACKSON 540 AM MST SUN MAR 6 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT. * SUMMARY AND TIMING...SNOW WILL OCCUR TODAY INTO THE EVENING HOURS. * SNOW REPORTS...2 TO 3 INCHES OF SNOW HAS FALLEN OVERNIGHT IN THE TOWN OF JACKSON OVERNIGHT WITH AROUND 4 INCHES NEAR TETON VILLAGE. * NEW SNOW ACCUMULATIONS...2 TO 3 INCHES ARE EXPECTED. * WIND AND VISIBILITY...10 TO 15 MPH WIND WILL BRING VISIBILITY DOWN TO ONE HALF MILE AT TIMES. * IMPACTS...ROADS WILL BE SNOW PACKED AND SLICK. TAKE PRECAUTIONS IF YOU MUST TRAVEL. FOR THE LATEST ROAD REPORT DIAL 5 1 1. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ WYZ023-062100- /O.CON.KRIW.WW.Y.0014.000000T0000Z-110307T0700Z/ STAR VALLEY- INCLUDING THE CITIES OF...AFTON...ALPINE...THAYNE 540 AM MST SUN MAR 6 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT. * SUMMARY AND TIMING...LIGHT TO MODERATE SNOW WILL OCCUR TODAY INTO THIS EVENING. * SNOW ACCUMULATIONS...2 TO 5 INCHES OF NEW SNOW IS EXPECTED WITH LOCALLY FAVORED AREAS SUCH AS SMOOT AND THAYNE SEEING HIGHER AMOUNTS. * WIND AND VISIBILITY...10 TO 15 MPH WIND SPEEDS WILL BRING VISIBILITY DOWN TO ONE HALF MILE AT TIMES. * IMPACTS...ROADS WILL BE SNOW PACKED AND SLICK. TAKE PRECAUTIONS IF YOU MUST TRAVEL. FOR THE LATEST ROAD REPORT DIAL 5 1 1. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ AR
3 follow-up statements
239 WWUS45 KRIW 061453 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 753 AM MST SUN MAR 6 2011 ...A PACIFIC STORM SYSTEM WILL COMBINE WITH A CANADIAN COLD FRONT OVER WESTERN AND CENTRAL WYOMING TO BRING SNOW TO THE AREA THROUGH TONIGHT... .SNOW WILL SPREAD ACROSS WESTERN AND CENTRAL WYOMING TODAY CONTINUING THROUGH THE NIGHT...WITH SEVERAL INCHES OF NEW SNOW EXPECTED IN THE MOUNTAINS. THE VALLEYS WILL ALSO SEE MODERATE SNOW AT TIMES TODAY. WYZ013-070700- /O.UPG.KRIW.WW.Y.0014.000000T0000Z-110307T0700Z/ /O.EXA.KRIW.WS.W.0005.000000T0000Z-110307T0700Z/ JACKSON HOLE- INCLUDING THE CITY OF...JACKSON 753 AM MST SUN MAR 6 2011 ...WINTER STORM WARNING IN EFFECT UNTIL MIDNIGHT MST TONIGHT... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER STORM WARNING FOR SNOW...WHICH IS IN EFFECT UNTIL MIDNIGHT MST TONIGHT. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. * SUMMARY AND TIMING...SNOW WILL OCCUR TODAY INTO THE EVENING HOURS. * SNOW REPORTS...2 TO 3 INCHES OF SNOW HAS FALLEN OVERNIGHT IN THE TOWN OF JACKSON OVERNIGHT WITH AROUND 4 INCHES NEAR TETON VILLAGE. * NEW SNOW ACCUMULATIONS...3 TO 5 INCHES ARE EXPECTED. * WIND AND VISIBILITY...10 TO 15 MPH WIND WILL BRING VISIBILITY DOWN TO ONE HALF MILE AT TIMES. * IMPACTS...ROADS WILL BE SNOW PACKED AND SLICK. TAKE PRECAUTIONS IF YOU MUST TRAVEL. FOR THE LATEST ROAD REPORT DIAL 5 1 1. 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. && $$ WYZ023-070700- /O.UPG.KRIW.WW.Y.0014.000000T0000Z-110307T0700Z/ /O.EXA.KRIW.WS.W.0005.000000T0000Z-110307T0700Z/ STAR VALLEY- INCLUDING THE CITIES OF...AFTON...ALPINE...THAYNE 753 AM MST SUN MAR 6 2011 ...WINTER STORM WARNING IN EFFECT UNTIL MIDNIGHT MST TONIGHT... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER STORM WARNING FOR SNOW...WHICH IS IN EFFECT UNTIL MIDNIGHT MST TONIGHT. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. * SUMMARY AND TIMING...LIGHT TO MODERATE SNOW WILL OCCUR TODAY INTO THIS EVENING. * SNOW ACCUMULATIONS...5 TO 10 INCHES OF NEW SNOW IS EXPECTED WITH LOCALLY FAVORED AREAS SUCH AS SMOOT AND THAYNE SEEING HIGHER AMOUNTS. * WIND AND VISIBILITY...10 TO 15 MPH WIND SPEEDS WILL BRING VISIBILITY DOWN TO ONE HALF MILE AT TIMES. * IMPACTS...ROADS WILL BE SNOW PACKED AND SLICK. TAKE PRECAUTIONS IF YOU MUST TRAVEL. FOR THE LATEST ROAD REPORT DIAL 5 1 1. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ012-070700- /O.CON.KRIW.WS.W.0005.000000T0000Z-110307T0700Z/ TETON AND GROS VENTRE MOUNTAINS- 753 AM MST SUN MAR 6 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT. * SUMMARY AND TIMING...MODERATE TO HEAVY SNOW WILL OCCUR TODAY OVER THE AREA. THE SNOW WILL TAPER OFF TOWARD MIDNIGHT. * SNOW REPORTS...SNOWFALL OVERNIGHT HAS RANGED FROM 6 TO 12 INCHES. * NEW SNOW ACCUMULATIONS...6 TO 12 INCHES ARE EXPECTED. * WIND AND VISIBILITY...15 TO 20 MPH WIND SPEEDS WILL BRING VISIBILITY DOWN TO A QUARTER MILE AT TIMES. * IMPACTS...TETON AND TOGWOTEE PASSES WILL BE SNOW PACKED AND SLICK. CHECK WWW.WYOROAD.INFO OR CALL 5 1 1 FOR ROAD CONDITIONS BEFORE YOU TRAVEL. 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. && $$ WYZ024-070700- /O.CON.KRIW.WS.W.0005.000000T0000Z-110307T0700Z/ SALT RIVER AND WYOMING RANGES- 753 AM MST SUN MAR 6 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT. * SUMMARY AND TIMING...MODERATE TO HEAVY SNOW WILL OCCUR TODAY. THE SNOW WILL TAPER OFF BY MIDNIGHT. * SNOW REPORTS...SNOWFALL OVERNIGHT HAS RANGED FROM 4 TO 7 INCHES WITH AROUND 10 INCHES RECORDED IN THE NORTHERN PART OF THE RANGES. * NEW SNOW ACCUMULATIONS...5 TO 10 INCHES IS EXPECTED. * WIND AND VISIBILITY...15 TO 20 MPH WIND SPEEDS WILL BRING VISIBILITY DOWN TO A QUARTER MILE AT TIMES. * IMPACTS...AREA ROADS WILL BE SNOW PACKED AND SLICK. TAKE PRECAUTIONS IF YOU MUST TRAVEL OVER SALT RIVER PASS. FOR THE LATEST ROAD REPORT CALL 5 1 1. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ001-070700- /O.NEW.KRIW.WW.Y.0015.110306T1453Z-110307T1200Z/ YELLOWSTONE NATIONAL PARK- INCLUDING THE CITIES OF...LAKE...MAMMOTH...OLD FAITHFUL 753 AM MST SUN MAR 6 2011 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM MST MONDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL 5 AM MST MONDAY. * SUMMARY AND TIMING...SNOW WILL CONTINUE THROUGH THE EVENING HOURS. * SNOW ACCUMULATIONS...6 TO 12 INCHES ARE EXPECTED. * WIND AND VISIBILITY...VISIBILITY WILL BE DOWN TO A QUARTER MILE IN HEAVY SNOW A TIMES. * IMPACTS...SNOW WILL MAKE OUTDOOR ACTIVITIES AND TRAVEL DIFFICULT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ WYZ002-070700- /O.NEW.KRIW.WW.Y.0015.110306T1453Z-110307T1200Z/ ABSAROKA MOUNTAINS- 753 AM MST SUN MAR 6 2011 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM MST MONDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL 5 AM MST MONDAY. * SUMMARY AND TIMING...SNOW WILL CONTINUE THROUGH THE EVENING HOURS. * SNOW ACCUMULATIONS...6 TO 12 INCHES ARE EXPECTED. * WIND AND VISIBILITY...VISIBILITY WILL BE DOWN TO A QUARTER MILE IN HEAVY SNOW A TIMES. * IMPACTS...SNOW WILL MAKE OUTDOOR ACTIVITIES AND TRAVEL DIFFICULT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ WYZ003>006-070700- /O.NEW.KRIW.WW.Y.0015.110306T1453Z-110307T1200Z/ CODY FOOTHILLS-NORTH BIG HORN BASIN-SOUTHWEST BIG HORN BASIN- SOUTHEAST BIG HORN BASIN- INCLUDING THE CITIES OF...CODY...MEETEETSE...POWELL...LOVELL... GREYBULL...BASIN...THERMOPOLIS...WORLAND 753 AM MST SUN MAR 6 2011 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM MST MONDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL 5 AM MST MONDAY. * SUMMARY AND TIMING...SNOW WILL CONTINUE TODAY THROUGH THE NIGHT. * SNOW ACCUMULATIONS...3 TO 6 INCHES ARE EXPECTED. * WIND AND VISIBILITY...VISIBILITY WILL BE DOWN TO A QUARTER MILE IN HEAVY SNOW A TIMES. * IMPACTS...SNOW WILL MAKE OUTDOOR ACTIVITIES AND TRAVEL DIFFICULT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ WYZ007-070700- /O.NEW.KRIW.WW.Y.0015.110306T1453Z-110307T1200Z/ OWL CREEK AND BRIDGER MOUNTAINS- 753 AM MST SUN MAR 6 2011 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM MST MONDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL 5 AM MST MONDAY. * SUMMARY AND TIMING...SNOW WILL CONTINUE TODAY THROUGH TONIGHT. * SNOW ACCUMULATIONS...6 TO 12 INCHES ARE EXPECTED. * WIND AND VISIBILITY...VISIBILITY WILL BE DOWN TO A QUARTER MILE IN HEAVY SNOW A TIMES. * IMPACTS...SNOW WILL MAKE OUTDOOR ACTIVITIES AND TRAVEL DIFFICULT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ WYZ008-009-070700- /O.NEW.KRIW.WW.Y.0015.110306T1453Z-110307T1200Z/ BIGHORN MOUNTAINS WEST-BIGHORN MOUNTAINS SOUTHEAST- 753 AM MST SUN MAR 6 2011 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM MST MONDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER WEATHER ADVISORY FOR HEAVY SNOW...WHICH IS IN EFFECT UNTIL 5 AM MST MONDAY. * SUMMARY AND TIMING...SNOW WILL CONTINUE TODAY THROUGH TONIGHT. * SNOW ACCUMULATIONS...6 TO 12 INCHES ARE EXPECTED. * WIND AND VISIBILITY...VISIBILITY WILL BE DOWN TO A QUARTER MILE IN HEAVY SNOW A TIMES. * IMPACTS...SNOW WILL MAKE OUTDOOR ACTIVITIES AND TRAVEL DIFFICULT OVER POWDER RIVER PASS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ WYZ010-011-070700- /O.NEW.KRIW.WW.Y.0015.110306T1453Z-110307T1200Z/ NORTHEAST JOHNSON COUNTY-SOUTHEAST JOHNSON COUNTY- INCLUDING THE CITIES OF...BUFFALO...KAYCEE 753 AM MST SUN MAR 6 2011 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM MST MONDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL 5 AM MST MONDAY. * SUMMARY AND TIMING...SNOW WILL CONTINUE TODAY THROUGH TONIGHT. * SNOW ACCUMULATIONS...3 TO 6 INCHES ARE EXPECTED. * WIND AND VISIBILITY...VISIBILITY WILL BE DOWN TO A QUARTER MILE IN HEAVY SNOW A TIMES. * IMPACTS...SNOW WILL MAKE OUTDOOR ACTIVITIES AND TRAVEL DIFFICULT ALONG INTERSTATE HIGHWAYS 25 AND 90. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ WYZ014-015-070700- /O.NEW.KRIW.WW.Y.0015.110306T1453Z-110307T1200Z/ WIND RIVER MOUNTAINS WEST-WIND RIVER MOUNTAINS EAST- 753 AM MST SUN MAR 6 2011 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM MST MONDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER WEATHER ADVISORY FOR HEAVY SNOW...WHICH IS IN EFFECT UNTIL 5 AM MST MONDAY. * SUMMARY AND TIMING...SNOW WILL CONTINUE TODAY THROUGH TONIGHT. * SNOW ACCUMULATIONS...6 TO 12 INCHES ARE EXPECTED. * WIND AND VISIBILITY...VISIBILITY WILL BE DOWN TO A QUARTER MILE IN HEAVY SNOW A TIMES. * IMPACTS...SNOW WILL MAKE OUTDOOR ACTIVITIES AND TRAVEL DIFFICULT OVER SOUTH PASS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ WYZ016>018-070700- /O.NEW.KRIW.WW.Y.0015.110306T2100Z-110307T1200Z/ UPPER WIND RIVER BASIN-WIND RIVER BASIN-LANDER FOOTHILLS- INCLUDING THE CITIES OF...DUBOIS...RIVERTON...SHOSHONI...LANDER 753 AM MST SUN MAR 6 2011 ...WINTER WEATHER ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO 5 AM MST MONDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 2 PM THIS AFTERNOON TO 5 AM MST MONDAY. * SUMMARY AND TIMING...SNOW WILL INCREASE THIS AFTERNOON AND CONTINUE THROUGH TONIGHT. * SNOW ACCUMULATIONS...3 TO 6 INCHES ARE EXPECTED. * WIND AND VISIBILITY...VISIBILITY WILL BE DOWN TO A QUARTER MILE IN HEAVY SNOW A TIMES. * IMPACTS...SNOW WILL MAKE OUTDOOR ACTIVITIES AND TRAVEL DIFFICULT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ WYZ019-070700- /O.NEW.KRIW.WW.Y.0015.110306T2100Z-110307T1200Z/ GREEN MOUNTAINS AND RATTLESNAKE RANGE- INCLUDING THE CITY OF...JEFFREY CITY 753 AM MST SUN MAR 6 2011 ...WINTER WEATHER ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO 5 AM MST MONDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 2 PM THIS AFTERNOON TO 5 AM MST MONDAY. * SUMMARY AND TIMING...SNOW WILL INCREASE THIS AFTERNOON AND CONTINUE THROUGH TONIGHT. * SNOW ACCUMULATIONS...3 TO 6 INCHES ARE EXPECTED. * WIND AND VISIBILITY...VISIBILITY WILL BE DOWN TO A QUARTER MILE IN HEAVY SNOW A TIMES. * IMPACTS...SNOW WILL MAKE OUTDOOR ACTIVITIES AND TRAVEL DIFFICULT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ WYZ020-022-070700- /O.NEW.KRIW.WW.Y.0015.110306T2100Z-110307T1200Z/ NATRONA COUNTY LOWER ELEVATIONS-CASPER MOUNTAIN- INCLUDING THE CITY OF...CASPER 753 AM MST SUN MAR 6 2011 ...WINTER WEATHER ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO 5 AM MST MONDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 2 PM THIS AFTERNOON TO 5 AM MST MONDAY. * SUMMARY AND TIMING...SNOW WILL INCREASE THIS AFTERNOON ACROSS NATRONA COUNTY AND CONTINUE THROUGH TONIGHT. * SNOW ACCUMULATIONS...3 TO 6 INCHES ARE EXPECTED AROUND CASPER WITH 6 TO 9 INCHES ON CASPER MOUNTAIN. * WIND AND VISIBILITY...VISIBILITY WILL BE DOWN TO A QUARTER MILE IN HEAVY SNOW A TIMES. * IMPACTS...SNOW WILL MAKE OUTDOOR ACTIVITIES AND TRAVEL DIFFICULT ALONG INTERSTATE 25. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ WYZ025-026-070700- /O.NEW.KRIW.WW.Y.0015.110306T1453Z-110307T1200Z/ UPPER GREEN RIVER BASIN FOOTHILLS-UPPER GREEN RIVER BASIN- INCLUDING THE CITIES OF...PINEDALE...LA BARGE...BIG PINEY... FARSON 753 AM MST SUN MAR 6 2011 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM MST MONDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL 5 AM MST MONDAY. * SUMMARY AND TIMING...SNOW WILL INCREASE THIS AFTERNOON AND CONTINUE THROUGH TONIGHT. * SNOW ACCUMULATIONS...3 TO 6 INCHES ARE EXPECTED. * WIND AND VISIBILITY...VISIBILITY WILL BE DOWN TO A QUARTER MILE IN HEAVY SNOW A TIMES. * IMPACTS...SNOW WILL MAKE OUTDOOR ACTIVITIES AND TRAVEL DIFFICULT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ WYZ027-070700- /O.NEW.KRIW.WW.Y.0015.110306T1453Z-110307T1200Z/ SOUTH LINCOLN COUNTY- INCLUDING THE CITIES OF...KEMMERER...COKEVILLE 753 AM MST SUN MAR 6 2011 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM MST MONDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL 5 AM MST MONDAY. * SUMMARY AND TIMING...SNOW WILL INCREASE THIS MORNING AND CONTINUE THROUGH TONIGHT. * SNOW ACCUMULATIONS...3 TO 6 INCHES ARE EXPECTED. * WIND AND VISIBILITY...VISIBILITY WILL BE DOWN TO A QUARTER MILE IN HEAVY SNOW A TIMES. * IMPACTS...SNOW WILL MAKE OUTDOOR ACTIVITIES AND TRAVEL DIFFICULT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ WYZ028>030-070700- /O.NEW.KRIW.WW.Y.0015.110306T2100Z-110307T1200Z/ ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE-EAST SWEETWATER COUNTY- INCLUDING THE CITIES OF...ROCK SPRINGS...GREEN RIVER...WAMSUTTER 753 AM MST SUN MAR 6 2011 ...WINTER WEATHER ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO 5 AM MST MONDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 2 PM THIS AFTERNOON TO 5 AM MST MONDAY. * SUMMARY AND TIMING...SNOW WILL INCREASE THIS AFTERNOON AND CONTINUE THROUGH TONIGHT. * SNOW ACCUMULATIONS...3 TO 6 INCHES ARE EXPECTED. * WIND AND VISIBILITY...VISIBILITY WILL BE DOWN TO A QUARTER MILE IN HEAVY SNOW A TIMES. * IMPACTS...SNOW WILL MAKE OUTDOOR ACTIVITIES AND TRAVEL DIFFICULT ALONG INTERSTATE 80. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ C.BAKER
663 WWUS45 KRIW 070149 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 649 PM MST SUN MAR 6 2011 ...LIGHT SNOW TO CONTINUE OVERNIGHT... .LIGHT SNOW WILL DECREASE FROM NORTHWEST TO SOUTHEAST OVERNIGHT. THE HEAVIEST SNOW WILL FALL IN NATRONA COUNTY. WYZ012-013-023-070300- /O.CAN.KRIW.WS.W.0005.000000T0000Z-110307T0700Z/ TETON AND GROS VENTRE MOUNTAINS-JACKSON HOLE-STAR VALLEY- INCLUDING THE CITIES OF...JACKSON...AFTON...ALPINE...THAYNE 649 PM MST SUN MAR 6 2011 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS CANCELLED THE WINTER STORM WARNING. INTERMITTENT LIGHT SNOW SHOWERS WILL CONTINUE UNTIL MID- EVENING...BUT LITTLE ADDITIONAL ACCUMULATION IS EXPECTED. THEREFORE...THE WINTER STORM WARNING HAS BEEN CANCELLED. $$ WYZ001>004-070300- /O.CAN.KRIW.WW.Y.0015.000000T0000Z-110307T1200Z/ YELLOWSTONE NATIONAL PARK-ABSAROKA MOUNTAINS-CODY FOOTHILLS- NORTH BIG HORN BASIN- INCLUDING THE CITIES OF...LAKE...MAMMOTH...OLD FAITHFUL...CODY... MEETEETSE...POWELL...LOVELL...GREYBULL...BASIN 649 PM MST SUN MAR 6 2011 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS CANCELLED THE WINTER WEATHER ADVISORY. INTERMITTENT LIGHT SNOW SHOWERS WILL CONTINUE UNTIL MID- EVENING...BUT LITTLE ADDITIONAL ACCUMULATION IS EXPECTED. THEREFORE...THE WINTER WEATHER ADVISORY HAS BEEN CANCELLED. $$ WYZ024-070700- /O.CON.KRIW.WS.W.0005.000000T0000Z-110307T0700Z/ SALT RIVER AND WYOMING RANGES- 649 PM MST SUN MAR 6 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT. * SUMMARY AND TIMING...LIGHT SNOW WILL CONTINUE TO DECREASE THROUGH THE EVENING HOURS. * SNOW ACCUMULATIONS...TOTAL SNOWFALL OF 8 TO 14 INCHES. * WIND AND VISIBILITY...SOUTHWEST WIND OF 10 TO 20 MPH WILL BRING VISIBILITY DOWN TO ONE-HALF MILE AT TIMES. * IMPACTS...AREA ROADS WILL BE SNOWPACKED AND SLICK. TAKE PRECAUTIONS IF YOU MUST TRAVEL OVER SALT RIVER PASS. FOR THE LATEST ROAD REPORT CALL 5 1 1. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ005-006-071000- /O.CON.KRIW.WW.Y.0015.000000T0000Z-110307T1200Z/ SOUTHWEST BIG HORN BASIN-SOUTHEAST BIG HORN BASIN- INCLUDING THE CITIES OF...THERMOPOLIS...WORLAND 649 PM MST SUN MAR 6 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST MONDAY. * SUMMARY AND TIMING...LIGHT SNOW WILL CONTINUE THROUGH THE EVENING HOURS BEFORE DECREASING DURING THE EARLY MORNING. * SNOW ACCUMULATIONS...TOTAL SNOWFALL OF 2 TO 4 INCHES. * VISIBILITY...VISIBILITY WILL BE DOWN TO ONE-QUARTER MILE IN HEAVY SNOW A TIMES. * IMPACTS...SNOW WILL MAKE FOR SLICK ROAD CONDITIONS THIS EVENING AND INTO THE EARLY MORNING HOURS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ WYZ007-071000- /O.CON.KRIW.WW.Y.0015.000000T0000Z-110307T1200Z/ OWL CREEK AND BRIDGER MOUNTAINS- 649 PM MST SUN MAR 6 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST MONDAY. * SUMMARY AND TIMING...SNOW WILL PERSIST INTO THE EARLY MORNING HOURS. * SNOW ACCUMULATIONS...TOTAL SNOWFALL OF 4 TO 8 INCHES. * VISIBILITY...VISIBILITY WILL BE DOWN TO ONE-QUARTER MILE IN HEAVY SNOW A TIMES. * IMPACTS...TRAVEL IN WIND RIVER CANYON WILL BE SLICK THIS EVENING AND INTO THE EARLY MORNING HOURS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ WYZ008-009-071000- /O.CON.KRIW.WW.Y.0015.000000T0000Z-110307T1200Z/ BIGHORN MOUNTAINS WEST-BIGHORN MOUNTAINS SOUTHEAST- 649 PM MST SUN MAR 6 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST MONDAY. * SUMMARY AND TIMING...SNOW WILL CONTINUE INTO THE EARLY MORNING HOURS...MAINLY ACROSS THE SOUTHERN HALF OF THE BIGHORN RANGE. * SNOW ACCUMULATIONS...TOTAL SNOWFALL OF 6 TO 12 INCHES. * VISIBILITY...VISIBILITY WILL BE DOWN TO ONE-QUARTER MILE IN HEAVY SNOW A TIMES. * IMPACTS...SNOW WILL MAKE FOR SLICK AND SNOWPACKED ROADS FOR THOSE TRAVELING OVER POWDER RIVER PASS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ WYZ010-011-071000- /O.CON.KRIW.WW.Y.0015.000000T0000Z-110307T1200Z/ NORTHEAST JOHNSON COUNTY-SOUTHEAST JOHNSON COUNTY- INCLUDING THE CITIES OF...BUFFALO...KAYCEE 649 PM MST SUN MAR 6 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST MONDAY. * SUMMARY AND TIMING...SNOW WILL CONTINUE THROUGH THIS EVENING BEFORE DECREASING DURING THE EARLY MORNING. * SNOW ACCUMULATIONS...TOTAL SNOWFALL OF 2 TO 4 INCHES. * VISIBILITY...VISIBILITY WILL BE DOWN TO A ONE-HALF MILE AT TIMES. * IMPACTS...SNOW WILL CAUSE SLICK ROAD CONDITIONS ON INTERSTATES 90 AND 25 INTO THE EARLY MORNING HOURS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ WYZ014-015-071000- /O.CON.KRIW.WW.Y.0015.000000T0000Z-110307T1200Z/ WIND RIVER MOUNTAINS WEST-WIND RIVER MOUNTAINS EAST- 649 PM MST SUN MAR 6 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST MONDAY. * SUMMARY AND TIMING...SNOW WILL CONTINUE THROUGH TONIGHT. * SNOW ACCUMULATIONS...TOTAL SNOWFALL OF 6 TO 12 INCHES. * VISIBILITY...VISIBILITY WILL BE DOWN TO ONE-HALF MILE AT TIMES. * IMPACTS...HAZARDOUS TRAVEL IS EXPECTED ON STATE HIGHWAY 28 OVER SOUTH PASS WHERE THE ROAD SURFACE WILL BE SLICK AND SNOWPACKED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ WYZ016>018-071000- /O.CON.KRIW.WW.Y.0015.000000T0000Z-110307T1200Z/ UPPER WIND RIVER BASIN-WIND RIVER BASIN-LANDER FOOTHILLS- INCLUDING THE CITIES OF...DUBOIS...RIVERTON...SHOSHONI...LANDER 649 PM MST SUN MAR 6 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST MONDAY. * SUMMARY AND TIMING...LIGHT SNOW WILL CONTINUE THIS EVENING BEFORE DECREASING. * SNOW ACCUMULATIONS...TOTAL SNOWFALL OF 2 TO 4 INCHES AROUND LANDER...WITH AMOUNTS 2 INCHES OR LESS ACROSS THE NORTH HALF OF FREMONT COUNTY. * VISIBILITY...VISIBILITY WILL BE DOWN TO ONE-HALF MILE AT TIMES. * IMPACTS...SOME AREA ROADWAYS WILL BECOME SLICK BY LATE EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ WYZ019-071000- /O.CON.KRIW.WW.Y.0015.000000T0000Z-110307T1200Z/ GREEN MOUNTAINS AND RATTLESNAKE RANGE- INCLUDING THE CITY OF...JEFFREY CITY 649 PM MST SUN MAR 6 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST MONDAY. * SUMMARY AND TIMING...SNOW WILL CONTINUE THIS EVENING BEFORE TAPERING OFF DURING THE EARLY MORNING HOURS. * SNOW ACCUMULATIONS...TOTAL SNOWFALL OF 2 TO 4 INCHES. * VISIBILITY...VISIBILITY WILL BE DOWN TO ONE-QUARTER MILE AT TIMES IN MODERATE SNOW. * IMPACTS...HIGHWAY 287 WILL BE SLICK AND SNOWPACKED BETWEEN BEAVER RIM AND SPLIT ROCK. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ WYZ020-022-071000- /O.CON.KRIW.WW.Y.0015.000000T0000Z-110307T1200Z/ NATRONA COUNTY LOWER ELEVATIONS-CASPER MOUNTAIN- INCLUDING THE CITY OF...CASPER 649 PM MST SUN MAR 6 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST MONDAY. * SUMMARY AND TIMING...SNOW WILL BE HEAVIEST THIS EVENING BEFORE DECREASING AROUND MIDNIGHT. * SNOW ACCUMULATIONS...TOTAL SNOWFALL OF 2 TO 3 INCHES...WITH 4 TO 8 INCHES ON CASPER MOUNTAIN. * VISIBILITY...VISIBILITY WILL BE DOWN TO ONE-QUARTER MILE IN HEAVY SNOW AT TIMES. * IMPACTS...AREA ROADS WILL BE SLICK AND SNOWPACKED INTO THE EARLY MORNING HOURS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ WYZ025-026-071000- /O.CON.KRIW.WW.Y.0015.000000T0000Z-110307T1200Z/ UPPER GREEN RIVER BASIN FOOTHILLS-UPPER GREEN RIVER BASIN- INCLUDING THE CITIES OF...PINEDALE...LA BARGE...BIG PINEY... FARSON 649 PM MST SUN MAR 6 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST MONDAY. * SUMMARY AND TIMING...LIGHT SNOW WILL GRADUALLY DECREASE THIS EVENING. * SNOW ACCUMULATIONS...TOTAL SNOWFALL OF 1 TO 3 INCHES. * VISIBILITY...VISIBILITY WILL BE DOWN TO ONE MILE AT TIMES. * IMPACTS...AREA ROADS WILL BE SLICK AND SNOWPACKED INTO THE EARLY MORNING HOURS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ WYZ027-071000- /O.CON.KRIW.WW.Y.0015.000000T0000Z-110307T1200Z/ SOUTH LINCOLN COUNTY- INCLUDING THE CITIES OF...KEMMERER...COKEVILLE 649 PM MST SUN MAR 6 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST MONDAY. * SUMMARY AND TIMING...LIGHT SNOW WILL DECREASE THROUGH THIS EVENING. * SNOW ACCUMULATIONS...TOTAL SNOWFALL OF 1 TO 2 INCHES. * VISIBILITY...VISIBILITY WILL BE DOWN TO ONE MILE AT TIMES. * IMPACTS...AREA ROADS WILL BE SLICK OVERNIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ WYZ028>030-071000- /O.CON.KRIW.WW.Y.0015.000000T0000Z-110307T1200Z/ ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE-EAST SWEETWATER COUNTY- INCLUDING THE CITIES OF...ROCK SPRINGS...GREEN RIVER...WAMSUTTER 649 PM MST SUN MAR 6 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST MONDAY. * SUMMARY AND TIMING...SNOW WILL CONTINUE TO DECREASE THIS EVENING. * SNOW ACCUMULATIONS...TOTAL SNOWFALL OF 1 TO 2 INCHES. * VISIBILITY...VISIBILITY WILL BE DOWN TO ONE MILE AT TIMES. * IMPACTS...SLICK ROAD CONDITIONS ARE EXPECTED ALONG SECTIONS OF INTERSTATE 80. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
575 WWUS45 KRIW 070323 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 823 PM MST SUN MAR 6 2011 ...LIGHT SNOW TO CONTINUE OVERNIGHT... .LIGHT SNOW WILL DECREASE FROM NORTHWEST TO SOUTHEAST OVERNIGHT. THE HEAVIEST SNOW WILL FALL IN NATRONA COUNTY. WYZ024-070430- /O.CAN.KRIW.WS.W.0005.000000T0000Z-110307T0700Z/ SALT RIVER AND WYOMING RANGES- 823 PM MST SUN MAR 6 2011 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS CANCELLED THE WINTER STORM WARNING. SNOW HAS TAPERED OFF ACROSS THE AREA. ANY REMAINING SNOWFALL WILL BE VERY LIGHT WITH LITTLE TO NO ADDITIONAL ACCUMULATION. $$ WYZ005>011-014>018-025>030-070430- /O.CAN.KRIW.WW.Y.0015.000000T0000Z-110307T1200Z/ 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-WIND RIVER MOUNTAINS WEST- WIND RIVER MOUNTAINS EAST-UPPER WIND RIVER BASIN-WIND RIVER BASIN- LANDER FOOTHILLS-UPPER GREEN RIVER BASIN FOOTHILLS- UPPER GREEN RIVER BASIN-SOUTH LINCOLN COUNTY- ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE-EAST SWEETWATER COUNTY- INCLUDING THE CITIES OF...THERMOPOLIS...WORLAND...BUFFALO... KAYCEE...DUBOIS...RIVERTON...SHOSHONI...LANDER...PINEDALE... LA BARGE...BIG PINEY...FARSON...KEMMERER...COKEVILLE... ROCK SPRINGS...GREEN RIVER...WAMSUTTER 823 PM MST SUN MAR 6 2011 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS CANCELLED THE WINTER WEATHER ADVISORY. SNOW HAS TAPERED OFF OVER MUCH OF THE AREA. ANY REMAINING SNOWFALL WILL BE LIGHT WITH VERY LITTLE ACCUMULATION. $$ WYZ019-071130- /O.CON.KRIW.WW.Y.0015.000000T0000Z-110307T1200Z/ GREEN MOUNTAINS AND RATTLESNAKE RANGE- INCLUDING THE CITY OF...JEFFREY CITY 823 PM MST SUN MAR 6 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST MONDAY. * SUMMARY AND TIMING...SNOW WILL CONTINUE TONIGHT BEFORE TAPERING OFF DURING THE EARLY MORNING HOURS. * SNOW ACCUMULATIONS...TOTAL SNOWFALL OF 2 TO 4 INCHES. * VISIBILITY...VISIBILITY WILL BE DOWN TO ONE-QUARTER MILE AT TIMES IN MODERATE SNOW. * IMPACTS...HIGHWAY 287 WILL BE SLICK AND SNOWPACKED BETWEEN BEAVER RIM AND SPLIT ROCK. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ WYZ020-022-071130- /O.CON.KRIW.WW.Y.0015.000000T0000Z-110307T1200Z/ NATRONA COUNTY LOWER ELEVATIONS-CASPER MOUNTAIN- INCLUDING THE CITY OF...CASPER 823 PM MST SUN MAR 6 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST MONDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST MONDAY. * SUMMARY AND TIMING...SNOW WILL BE HEAVIEST LATE THIS EVENING BEFORE DECREASING AROUND MIDNIGHT. * SNOW ACCUMULATIONS...TOTAL SNOWFALL OF 2 TO 3 INCHES...WITH 4 TO 8 INCHES ON CASPER MOUNTAIN. * VISIBILITY...VISIBILITY WILL BE DOWN TO ONE-QUARTER MILE IN HEAVY SNOW AT TIMES. * IMPACTS...AREA ROADS WILL BE SLICK AND SNOWPACKED INTO THE EARLY MORNING HOURS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
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 Mar 6, 2:53 AM MST, 2 hours 47 minutes earlier.
Area forecast discussion, Mar 6, 2:53 AM MST, 2 hours 47 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE RIVERTON WY 253 AM MST SUN MAR 6 2011 .SHORT TERM...TODAY THROUGH TUESDAY NIGHT AN INTERESTING NEXT FEW DAYS ARE IN STORE AS A SERIES OF WEAK WAVES WILL BE FOLLOWED BY A LARGE STORM SYSTEM MOVING INTO THE WESTERN STATES EARLY IN THE WORK WEEK. LIGHT SNOW CONTINUES TO FALL IN FAR WESTERN WYOMING THIS MORNING AS A MOIST WESTERLY FLOW CONTINUES TO BRING UPSLOPE ENHANCED SNOWFALL TO THE WESTERN MOUNTAINS. A SERIES OF WEAK SHORTWAVES WILL INCREASE SNOWFALL ACROSS THE WEST THIS MORNING AND SPILL OVER EAST OF THE DIVIDE THIS EVENING. 5 TO 9 INCHES OF SNOW ARE POSSIBLE TODAY IN THE TETONS AND SALT RIVER/WYOMING RANGES. 2 TO 4 INCHES ARE LIKELY IN THE FAR WESTERN VALLEYS. THEREFORE...HAVE ISSUES WINTER WEATHER ADVISORIES FOR THESE AREAS. A SOUTHWARD MOVING COLD FRONT COUPLED WITH THE SHORTWAVES MOVING EAST OF THE DIVIDE SHOULD BRING WIDESPREAD LIGHT SNOW THROUGH EARLY MONDAY MORNING. THE BIGHORN MOUNTAINS AND THE CASPER AREA MAY SEE BORDERLINE ADVISORY SNOW TOTALS BUT WILL PASS THE DECISION FOR THESE AREAS ON TO THE NEXT SHIFT. A LARGE TROUGH WILL MOVE ASHORE MONDAY. MODELS ARE INDICATING MORE OF AN OPEN WAVE THAN THE CLOSED UPPER LOW PREVIOUSLY INDICATED. THE STORM TRACK HAS BEEN TRENDING SOUTHERLY OVER THE LAST FEW MODEL RUNS. HOWEVER...DEVELOPMENT OF SURFACE LOW HAS BEEN A SOURCE OF DISAGREEMENT. MODELS ARE INCREASINGLY TRENDING TOWARD DEVELOPING A LOW PRESSURE SYSTEM OVER SE COLORADO WITH A BACK BUILDING SECONDARY LOW OVER ERN UTAH/WRN COLORADO BY 00Z TUESDAY. PRESSURE FALLS TO THE SOUTH ASSOCIATED WITH THE DEVELOPING LOWS WILL GET THE COLD FRONT MOVING THROUGH SOUTHERN WYOMING ON MONDAY. THIS COULD COMPLICATE THE SNOW FORECAST FOR MONDAY MIGHT/TUESDAY FOR WYOMING. DEPENDING ON LOCATION OF DEVELOPMENT OF THE SECONDARY LOW...MOIST SOUTHERLY FLOW COULD PROVIDE OVERRUNNING ENHANCEMENT AS IT COLLIDES WITH THE COLD FRONT. IF THE SECONDARY LOW DEVELOPS AS THE GFS INDICATES...SNOW FORECAST MAY NEED TO BE INCREASED...PARTICULARLY FOR SOUTHERN ZONES. NAM AND ECMWF INDICATE SLIGHTLY DIFFERENT SOLUTIONS THAT WOULD BRING LESS SNOW TO THE AREA. TRENDED COLDER MONDAY NIGHT WITH COLD FRONT MAKING IT THROUGH THE STATE. TUESDAY WILL SEE COOLER TEMPERATURES AND POSSIBLY SOME LINGERING LIGHT SNOW BEFORE THE NEXT SHORTWAVE BRINGS ANOTHER ROUND OF SNOW TO THE WESTERN MOUNTAINS TUESDAY NIGHT. .LONG TERM...WEDNESDAY THROUGH SUNDAY WEDNESDAY LOOKS DRY ASIDE FROM SCATTERED LIGHT SNOW IN THE FAR WEST MOUNTAINS. IT LOOKS LIKE WED NIGHT AND THURSDAY WILL BE DRY WITH ISOLATED LIGHT SNOW IN THE NW MOUNTAINS. MOISTURE INCREASES IN THE WEST AHEAD OF THE NEXT WEATHER SYSTEM MOVING TOWARD THE ROCKIES. HAVE MADE SOME ADJUSTMENTS TO THE FORECAST IN THE WEST. DRY WEATHER ELSEWHERE. THE WEATHER SYSTEM PASSES THROUGH THE REGION FRIDAY WITH THE ECMWF A LITTLE DEEPER THAN THE GFS WITH THE TROUGH. HAVE KEPT THE BEST CHANCE OF PRECIP IN THE MOUNTAINS AND NORTH ZONES WITH LESS CHANCE IN THE LOWER ELEVATIONS OF THE CENTRAL AND SOUTH. PRECIP ENDS FRIDAY EVENING WITH LINGERING LIGHT SNOW IN THE WESTERN MOUNTAINS FRI NIGHT. SATURDAY LOOKS DRY ASIDE FROM SCATTERED LIGHT SNOW IN THE WESTERN MOUNTAINS. ANOTHER WEATHER SYSTEM IS POISED TO MOVE THROUGH THE ROCKIES NEXT SUNDAY WITH THE BEST CHANCE OF PRECIP MAINLY IN THE MOUNTAINS AND FAR WEST. DID PUT IN LOW PRECIP CHANCE EAST OF THE DIVIDE FOR STARTERS. TEMPS WILL BE NEAR SEASONAL READINGS DURING THE EXTENDED PERIOD WITH THE REAL COLD AIR STAYING IN CANADA FOR NOW. && .AVIATION... JET STREAK ENHANCED SNOW CONTINUED TO WANE ACROSS THE NORTH EARLY THIS MORNING AS MAXIMA TRACKED EAST. LIGHT SNOW IN THE WEST WILL CONTINUE TO IMPACT KJAC AND PRODUCE MVFR CONDITIONS THROUGHOUT THE FORECAST PERIOD. THE LIGHT SNOW WILL GRADUALLY SPREAD TO KBPI... KPNA...AND KRKS BETWEEN ABOUT 12Z AND 18Z AS SLUG OF MOISTURE OVER SOUTHERN IDAHO TREKS INTO SOUTHWEST WYOMING. FREQUENT MVFR ANTICIPATED AT THESE TERMINALS THROUGH 06Z/MONDAY WITH OCCASIONAL IFR DURING THE AFTERNOON. EAST OF THE DIVIDE...COLD FRONT WILL PUSH THROUGH KCPR BY 21Z AND KRIW/KLND BY 00Z/MONDAY. MOIST OVERRUNNING FLOW WILL GENERATE SNOW THROUGH THE REMAINDER OF THE FORECAST PERIOD. HEAVIEST SNOW AND IFR CONDITIONS EXPECTED 00Z-06Z/MONDAY AT KCPR WHERE FRONTAL SUPPORT AND UPSLOPE IS GREATEST. FREQUENT MOUNTAIN OBSCURATIONS WILL BECOME EVEN MORE WIDESPREAD BY ABOUT 21Z AS SNOWFALL INCREASES EAST OF THE DIVIDE. && .FIRE WEATHER... SNOW WILL CONTINUE IN THE WEST AND SPILL OVER EAST OF THE DIVIDE THIS EVENING AS A DISTURBANCE MOVES OVER THE AREA. BREEZY TO WINDY CONDITIONS WILL OCCUR OVER THE RIDGETOPS AND IN THE CASPER AREA TODAY. SNOW WILL TAPER OFF MONDAY MORNING WITH MORE BEGINNING NI THE AFTERNOON IN SOUTHERN WYOMING. && .RIW WATCHES/WARNINGS/ADVISORIES... WINTER WEATHER ADVISORY UNTIL MIDNIGHT MST TONIGHT WYZ012-013-023-024. && SHORT TERM...BERC LONG TERM...AR AVIATION...CNJ FIRE WEATHER...BERC
Hazardous weather outlook, Mar 6, 3:36 AM MST, 2 hours 4 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE RIVERTON WY 336 AM MST SUN MAR 6 2011 WYZ001>020-022>030-071300- ABSAROKA MOUNTAINS-BIGHORN MOUNTAINS SOUTHEAST- BIGHORN MOUNTAINS WEST-CASPER MOUNTAIN-CODY FOOTHILLS- EAST SWEETWATER COUNTY-FLAMING GORGE- GREEN MOUNTAINS AND RATTLESNAKE RANGE-JACKSON HOLE-LANDER FOOTHILLS- NATRONA COUNTY LOWER ELEVATIONS-NORTH BIG HORN BASIN- NORTHEAST JOHNSON COUNTY-OWL CREEK AND BRIDGER MOUNTAINS- ROCK SPRINGS AND GREEN RIVER-SALT RIVER AND WYOMING RANGES- SOUTH LINCOLN COUNTY-SOUTHEAST BIG HORN BASIN- SOUTHEAST JOHNSON COUNTY-SOUTHWEST BIG HORN BASIN-STAR VALLEY- TETON AND GROS VENTRE MOUNTAINS-UPPER GREEN RIVER BASIN- UPPER GREEN RIVER BASIN FOOTHILLS-UPPER WIND RIVER BASIN- WIND RIVER BASIN-WIND RIVER MOUNTAINS EAST-WIND RIVER MOUNTAINS WEST- YELLOWSTONE NATIONAL PARK- 336 AM MST SUN MAR 6 2011 ...WINTER WEATHER ADVISORY FOR WESTERN WYOMING THROUGH MIDNIGHT... THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND CENTRAL WYOMING. .DAY ONE...TODAY AND TONIGHT SIGNIFICANT SNOWFALL IS POSSIBLE IN THE WESTERN MOUNTAINS AND VALLEYS TODAY AND TONIGHT. ACCUMULATIONS OF 5 TO 9 INCHES ARE POSSIBLE IN THE MOUNTAINS WITH 2 TO 5 INCHES IN THE WESTERN VALLEYS. SNOW WILL DEVELOP EAST OF THE CONTINENTAL DIVIDE THIS EVENING AND LAST THROUGH THE NIGHT. SNOWFALL OF AN INCH OR TWO IS EXPECTED IN SOME AREAS. THIS MAY STILL MAKE FOR HAZARDOUS TRAVEL CONDITIONS FOR THE MONDAY MORNING COMMUTE. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY THE NEXT STORM IS STILL FORECAST TO TRACK ACROSS SOUTHERN UTAH AND SOUTHERN COLORADO MONDAY NIGHT INTO TUESDAY. THIS WILL TAKE THE HEAVIEST SNOW SOUTH OF WYOMING. HOWEVER...SOME SNOW IS STILL EXPECTED IN THE CENTRAL AND SOUTH WITH ACCUMULATIONS VARYING FROM 1 TO 3 INCHES AT THE LOWER ELEVATIONS. SNOWFALL OF 2 TO 5 INCHES IS POSSIBLE FROM CASPER MOUNTAIN TO THE EAST SLOPES OF THE WIND RIVER MOUNTAINS INCLUDING SOUTH PASS. STAY TUNED FOR UPDATES. .SPOTTER INFORMATION STATEMENT... SPOTTERS ARE ENCOURAGED TO REPORT SNOWFALL AMOUNTS. THANK YOU. TEAM RIVERTON
In the hours before
Local storm report, Mar 6, 5:39 AM MST, 1 minute before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
639 AM MDT SUN MAR 06 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0613 AM HEAVY SNOW 23 NW DUBOIS 43.73N 110.01W
03/06/2011 E7.00 INCHES FREMONT WY PARK/FOREST SRVC
BROOKS LAKE LODGE
0614 AM HEAVY SNOW 5 NE ALTA 43.79N 110.94W
03/06/2011 E8.00 INCHES TETON WY PARK/FOREST SRVC
GRAND TARGHEE-CHIEF JOSEPH
0615 AM HEAVY SNOW 9.9 NNW JACKSON 43.60N 110.85W
03/06/2011 M15.00 INCHES TETON WY PARK/FOREST SRVC
JACKSON HOLE-RAYMER
0615 AM HEAVY SNOW 9.4 NNW JACKSON 43.59N 110.87W
03/06/2011 M15.00 INCHES TETON WY PARK/FOREST SRVC
JACKSON HOLE-RENDEZVOUS BOWL
0615 AM SNOW TOGWOTEE MOUNTAIN LODGE 43.82N 110.18W
03/06/2011 E5.00 INCHES TETON WY PARK/FOREST SRVC
0616 AM HEAVY SNOW 8.6 NNW JACKSON 43.58N 110.85W
03/06/2011 M6.00 INCHES TETON WY PARK/FOREST SRVC
JACKSON HOLE-BASE
0616 AM HEAVY SNOW 9.3 NNW JACKSON 43.59N 110.84W
03/06/2011 M13.00 INCHES TETON WY PARK/FOREST SRVC
JACKSON HOLE-MID
0616 AM HEAVY SNOW 17.2 E THAYNE 42.97N 110.61W
03/06/2011 E10.00 INCHES LINCOLN WY PARK/FOREST SRVC
BLIND BULL SUMMIT
0616 AM SNOW 14.3 E THAYNE 42.87N 110.71W
03/06/2011 E4.00 INCHES LINCOLN WY PARK/FOREST SRVC
BOX Y RANCH
0617 AM SNOW JACKSON 43.47N 110.75W
03/06/2011 M3.00 INCHES TETON WY LAW ENFORCEMENT
0619 AM SNOW KEMMERER 41.78N 110.55W
03/06/2011 M1.00 INCHES LINCOLN WY PUBLIC
0619 AM SNOW 1 S JACKSON 43.46N 110.76W
03/06/2011 M5.00 INCHES TETON WY PUBLIC
SNOW KING SKI AREA
0631 AM HEAVY SNOW 25 NW DUBOIS 43.75N 110.06W
03/06/2011 E8.00 INCHES TETON WY MESONET
TOGWOTEE PASS SNOTEL
0631 AM HEAVY SNOW 19 SW BONDURANT 42.96N 110.61W
03/06/2011 E10.00 INCHES LINCOLN WY MESONET
BLIND BULL SUMMIT SNOTEL
0632 AM HEAVY SNOW 8 SE AFTON 42.65N 110.81W
03/06/2011 E6.00 INCHES LINCOLN WY MESONET
COTTONWOOD CREEK SNOTEL
0632 AM SNOW 26 N KEMMERER 42.15N 110.68W
03/06/2011 E5.00 INCHES LINCOLN WY MESONET
HAMS FORK SNOTEL
0632 AM HEAVY SNOW 36 N KEMMERER 42.30N 110.68W
03/06/2011 E7.00 INCHES LINCOLN WY MESONET
INDIAN CREEK SNOTEL
0632 AM SNOW 15 NNE COKEVILLE 42.27N 110.81W
03/06/2011 E5.00 INCHES LINCOLN WY MESONET
KELLEY RANGER STATION SNOTEL
0632 AM SNOW 15 S AFTON 42.51N 110.91W
03/06/2011 E4.00 INCHES LINCOLN WY MESONET
SALT RIVER SUMMIT SNOTEL
0632 AM HEAVY SNOW 21 W BIG PINEY 42.49N 110.53W
03/06/2011 E6.00 INCHES SUBLETTE WY MESONET
SNIDER BASIN SNOTEL
0632 AM HEAVY SNOW 19 SE AFTON 42.53N 110.66W
03/06/2011 E6.00 INCHES LINCOLN WY MESONET
SPRING CREEK DIVIDE SNOTEL
0632 AM HEAVY SNOW 17 E AFTON 42.76N 110.59W
03/06/2011 E10.00 INCHES SUBLETTE WY MESONET
TRIPLE PEAK SNOTEL
0632 AM SNOW 8 NE AFTON 42.82N 110.84W
03/06/2011 E5.00 INCHES LINCOLN WY MESONET
WILLOW CREEK SNOTEL
0633 AM SNOW 1 WSW CANYON 44.72N 110.51W
03/06/2011 E3.00 INCHES YELLOWSTONE WY MESONET
CANYON SNOTEL
0633 AM HEAVY SNOW 5 N SOUTH ENTRANCE 44.21N 110.67W
03/06/2011 E12.00 INCHES YELLOWSTONE WY MESONET
LEWIS LAKE DIVIDE SNOTEL
0633 AM SNOW 16 N PAHASKA 44.73N 109.91W
03/06/2011 E4.00 INCHES YELLOWSTONE WY MESONET
PARKER PEAK SNOTEL
0634 AM SNOW 10 W PAHASKA 44.48N 110.16W
03/06/2011 E2.00 INCHES YELLOWSTONE WY MESONET
SYLVAN LAKE SNOTEL
0634 AM SNOW 4 WSW PAHASKA 44.48N 110.04W
03/06/2011 E1.00 INCHES YELLOWSTONE WY MESONET
SYLVAN ROAD SNOTEL
0634 AM SNOW 14 ESE OLD FAITHFUL 44.37N 110.58W
03/06/2011 E2.00 INCHES YELLOWSTONE WY MESONET
THUMB DIVIDE SNOTEL
0634 AM SNOW 21 W CLARK 44.94N 109.57W
03/06/2011 E4.00 INCHES PARK WY MESONET
BEARTOOTH LAKE SNOTEL
0634 AM SNOW 19 WSW WAPITI 44.38N 109.79W
03/06/2011 E4.00 INCHES PARK WY MESONET
BLACKWATER SNOTEL
0634 AM HEAVY SNOW 14 NE PAHASKA 44.65N 109.78W
03/06/2011 E6.00 INCHES PARK WY MESONET
EVENING STAR SNOTEL
0634 AM SNOW 26 WSW CLARK 44.80N 109.66W
03/06/2011 E2.00 INCHES PARK WY MESONET
WOLVERINE SNOTEL
0635 AM SNOW 8 NNE MORAN JUNCTION 43.95N 110.45W
03/06/2011 E4.00 INCHES TETON WY MESONET
BASE CAMP SNOTEL
0635 AM HEAVY SNOW 6 ENE ALTA 43.78N 110.93W
03/06/2011 E8.00 INCHES TETON WY MESONET
GRAND TARGHEE SNOTEL
0635 AM HEAVY SNOW 10 N BONDURANT 43.34N 110.43W
03/06/2011 E8.00 INCHES TETON WY MESONET
GRANITE CREEK SNOTEL
0635 AM HEAVY SNOW 8 W SOUTH ENTRANCE 44.13N 110.83W
03/06/2011 E11.00 INCHES TETON WY MESONET
GRASSY LAKE SNOTEL
0635 AM SNOW 20 NE BONDURANT 43.39N 110.13W
03/06/2011 E2.00 INCHES TETON WY MESONET
GROS VENTRE SUMMIT SNOTEL
0635 AM HEAVY SNOW 14 E BONDURANT 43.17N 110.14W
03/06/2011 E6.00 INCHES SUBLETTE WY MESONET
LOOMIS PARK SNOTEL
0635 AM HEAVY SNOW 8 WNW JACKSON 43.52N 110.91W
03/06/2011 E6.00 INCHES TETON WY MESONET
PHILLIPS BENCH SNOTEL
0639 AM SNOW DUBOIS 43.53N 109.64W
03/06/2011 M1.00 INCHES FREMONT WY POST OFFICE
&&The office that day
Everything else NWS Riverton, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 6, 2:58 AM MST | Winter Weather Advisory | RIW | Fremont, Lincoln, Sublette, Teton | 5 hr |
| Mar 6, 7:53 AM MST | Winter Weather Advisory | RIW | Big Horn, Fremont, Hot Springs, Johnson, Lincoln, Natrona and 5 more | 18 hr |
Nearby
Winter Storm Warnings in Wyoming, 2011Every winter storm warning in 2011
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.