Alert archive / Wyoming / Winter Storm Warnings in 2009
Winter Storm Warning 21, NWS Riverton, WY
NWS Riverton, WY issued this winter storm warning at Mar 8, 2009, 3:54 PM MDT for 9 counties in Wyoming. It took effect at Mar 8, 2009, 6:00 PM MDT. It was in force for 33 hr. 53 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 8, 2009, 3:54 PM MDT (21:54 UTC)
- In effect from
- Mar 8, 2009, 6:00 PM MDT
- Expired
- Mar 10, 2009, 2:36 AM MDT
- In force
- 33 hr
- Issued by
- NWS Riverton, WY
Counties Big Horn County, WY, Fremont County, WY, Hot Springs County, WY, Johnson County, WY, Lincoln County, WY, Natrona County, WY, Sublette County, WY, Sweetwater County, WY, Washakie County, WY
The radar
The Riverton/Lander radar (KRIW), 17 km from the middle of the area, began a volume at 21:58 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 9, 10:30 PM MDT | HEAVY SNOW 7.5 | Lander, WY | |
| Mar 9, 10:30 PM MDT | HEAVY SNOW 8 | Red Canyon, WY | |
| Mar 9, 10:31 PM MDT | HEAVY SNOW 7 | Lander Snow Reporter, WY | |
| Mar 9, 10:34 PM MDT | HEAVY SNOW 6 | Afton 8 Se, WY | COTTONWOOD CREEK SNOTEL |
| Mar 9, 10:34 PM MDT | HEAVY SNOW 6 | Bondurant 19 Sw, WY | BLIND BULL SUMMIT SNOTEL |
| Mar 9, 10:34 PM MDT | HEAVY SNOW 7 | Riverton 2w, WY | |
| Mar 9, 10:36 PM MDT | HEAVY SNOW 9 | Kemmerer 36 N, WY | INDIAN CREEK SNOTEL |
| Mar 9, 10:37 PM MDT | HEAVY SNOW 6 | Kelley Rngr Stn Snotel, WY | KELLEY RNGR STN SNOTEL |
| Mar 9, 10:37 PM MDT | HEAVY SNOW 8 | Kemmerer 26 N, WY | HAMS FORK SNOTEL |
| Mar 9, 10:38 PM MDT | HEAVY SNOW 6 | Afton 15 S, WY | SALT RIVER SUMMIT SNOTEL |
| Mar 9, 10:38 PM MDT | HEAVY SNOW 6 | Spring Ck Divide Snotel, WY | SPRING CK DIVIDE SNOTEL |
| Mar 9, 10:39 PM MDT | SNOW 5 | Bondurant 12 Ese, WY | EAST RIM DIVIDE SNOTEL |
| Mar 9, 10:39 PM MDT | HEAVY SNOW 6 | Afton 17 E, WY | TRIPLE PEAK SNOTEL |
| Mar 9, 10:39 PM MDT | HEAVY SNOW 6 | Big Piney 21 W, WY | SNIDER BASIN SNOTEL |
| Mar 9, 10:39 PM MDT | HEAVY SNOW 9 | Afton 8 Ne, WY | WILLOW CREEK SNOTEL |
| Mar 9, 10:42 PM MDT | SNOW 3 | Kendall Rngr Stn Snotel, WY | KENDALL RNGR STN SNOTEL |
| Mar 9, 10:42 PM MDT | SNOW 4.5 | Pindale 12 Nne, WY | ELKHART PARK G.S. SNOTEL |
| Mar 9, 10:42 PM MDT | HEAVY SNOW 8 | Boulder 24 Ese, WY | BIG SANDY OPENING SNOTEL |
| Mar 9, 10:43 PM MDT | SNOW 1.5 | Cora 12 N, WY | NEW FORK LAKE SNOTEL |
| Mar 9, 10:43 PM MDT | SNOW 3 | Bondurant 14 E, WY | LOOMIS PARK SNOTEL |
| Mar 9, 10:43 PM MDT | HEAVY SNOW 6 | Crowheart 14 W, WY | COLD SPRINGS SNOTEL |
| Mar 9, 10:45 PM MDT | HEAVY SNOW 8 | Dubois 6 Wsw, WY | LITTLE WARM SNOTEL |
| Mar 9, 10:45 PM MDT | HEAVY SNOW 9 | Lander 18 W, WY | HOBBS PARK SNOTEL |
| Mar 9, 10:45 PM MDT | HEAVY SNOW 12 | Lander 19 Ssw, WY | DEER PARK SNOTEL |
| Mar 9, 10:46 PM MDT | HEAVY SNOW 8 | Lander 26 Nw, WY | ST. LAWRENCE ALT SNOTEL |
| Mar 9, 10:46 PM MDT | HEAVY SNOW 10.5 | Atlantic City 7 Nw, WY | SOUTH PASS SNOTEL |
| Mar 9, 10:47 PM MDT | HEAVY SNOW 9 | Lander 12 Sw, WY | TOWNSEND CREEK SNOTEL |
| Mar 9, 10:48 PM MDT | SNOW 3 | Grave Springs Snotel, WY | GRAVE SPRINGS SNOTEL |
| Mar 9, 10:48 PM MDT | SNOW 3 | Mayoworth 14 Wnw, WY | BEAR TRAP MEADOW SNOTEL |
| Mar 9, 10:48 PM MDT | SNOW 3 | Shell 14 Ne, WY | BONE SPRINGS DIVIDE SNOTEL |
| Mar 9, 10:49 PM MDT | SNOW 2 | Buffalo 24 Sw, WY | POWDER RIVER PASS SNOTEL |
| Mar 9, 10:49 PM MDT | SNOW 4 | Shell 18 E, WY | SHELL CREEK SNOTEL |
| Mar 9, 10:49 PM MDT | SNOW 4.5 | Barnum 13 W, WY | MIDDLE POWDER SNOTEL |
| Mar 9, 10:50 PM MDT | SNOW 4 | Buffalo 14 Wsw, WY | HANSEN SAWMILL SNOTEL |
| Mar 9, 10:51 PM MDT | SNOW 4 | Thermopolis, WY | |
| Mar 9, 10:52 PM MDT | SNOW 2 | Sixth Crossing, WY | |
| Mar 9, 10:54 PM MDT | HEAVY SNOW 7 | Homestead Park, WY | |
| Mar 9, 10:55 PM MDT | SNOW 1 | Pinedale, WY | |
| Mar 9, 10:55 PM MDT | SNOW 2 | Dubois, WY | |
| Mar 9, 10:56 PM MDT | SNOW 1 | Mayoworth, WY | |
| Mar 9, 10:56 PM MDT | SNOW 1.5 | Buffalo 1nw, WY | |
| Mar 9, 10:56 PM MDT | SNOW 2 | Buffalo 1nw, WY | |
| Mar 9, 10:56 PM MDT | SNOW 3.5 | Kaycee, WY | |
| Mar 9, 10:56 PM MDT | SNOW 4 | Dubois, WY | |
| Mar 9, 11:00 PM MDT | SNOW 2 | Afton, WY | |
| Mar 9, 11:00 PM MDT | SNOW 3.9 | Riverton, WY | |
| Mar 9, 11:00 PM MDT | SNOW 5.5 | Lander 3sw, WY | |
| Mar 9, 11:01 PM MDT | SNOW 1.6 | Casper 10sw, WY | |
| Mar 9, 11:01 PM MDT | SNOW 2 | Casper 10sw, WY | |
| Mar 9, 11:02 PM MDT | SNOW 4.2 | Riverton, WY | |
| Mar 9, 11:04 PM MDT | SNOW 4.5 | Fossil Butte, WY | |
| Mar 9, 11:05 PM MDT | SNOW 2 | Thermopolis (Town), WY | |
| Mar 9, 11:05 PM MDT | SNOW 3.5 | Shoshoni, 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, 9.9 hours before the alert went out and 15 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
- 2205 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- -21 m²/s²
- 0-3 km storm-relative helicity
- 179 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS45 KRIW 082154 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 354 PM MDT SUN MAR 8 2009 ...WINTER STORM POISED TO AFFECT MUCH OF WESTERN AN CENTRAL WYOMING LATE TONIGHT THROUGH MONDAY NIGHT... .A PACIFIC STORM SYSTEM WILL DRIVE A COLD FRONT SOUTH ACROSS NORTHERN AND CENTRAL WYOMING TONIGHT WITH SIGNIFICANT SNOWFALL DEVELOPING BEHIND THE FRONT IN FAVORABLE LATE TONIGHT THROUGH MONDAY NIGHT. PARTS OF WESTERN WYOMING WILL ALSO SEE SIGNIFICANT SNOWFALL TONIGHT THROUGH MONDAY NIGHT. WYZ008>011-091000- /O.UPG.KRIW.WS.A.0004.090309T0600Z-090310T0600Z/ /O.NEW.KRIW.WS.W.0021.090309T0600Z-090310T1200Z/ BIGHORN MOUNTAINS WEST-BIGHORN MOUNTAINS SOUTHEAST- NORTHEAST JOHNSON COUNTY-SOUTHEAST JOHNSON COUNTY- INCLUDING THE CITIES OF...BUFFALO...KAYCEE 354 PM MDT SUN MAR 8 2009 ...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 6 AM MDT TUESDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 6 AM MDT TUESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. SNOW WILL DEVELOP TONIGHT IN THESE AREAS. MODERATE TO HEAVY SNOW WILL OCCUR AT TIMES MONDAY AND MONDAY NIGHT WITH SNOWFALL RATES OF 1 TO 2 INCHES AN HOUR. TOTAL SNOWFALL WILL RANGE FROM 4 TO 8 INCHES IN JOHNSON COUNTY WITH LOCALLY HIGHER AMOUNTS POSSIBLE. A NORTH WIND OF 15 TO 25 MPH WILL CAUSE DRIFTING SNOW AND SOME BLOWING SNOW. IN THE BIGHORN MOUNTAINS...SNOWFALL TOTALS OF 10 TO 18 INCHES IS FORECAST BY TUESDAY MORNING. SIGNIFICANT BLOWING AND DRIFTING SNOW WILL OCCUR IN OPEN AREAS. REMEMBER...A WINTER STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. $$ WYZ005-007-091000- /O.UPG.KRIW.WS.A.0004.090309T0600Z-090310T0600Z/ /O.NEW.KRIW.WS.W.0021.090309T1200Z-090310T1200Z/ SOUTHWEST BIG HORN BASIN-OWL CREEK AND BRIDGER MOUNTAINS- INCLUDING THE CITY OF...THERMOPOLIS 354 PM MDT SUN MAR 8 2009 ...WINTER STORM WARNING IN EFFECT FROM 6 AM MONDAY TO 6 AM MDT TUESDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 6 AM MONDAY TO 6 AM MDT TUESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. LIGHT SNOW WILL DEVELOP LATE TONIGHT IN THESE AREAS. SNOW WILL INCREASE ON MONDAY INTO MONDAY NIGHT. SNOWFALL RATES OF 1 TO 2 INCHES AN HOUR MAY OCCUR IN MODERATE TO HEAVY SNOW BANDS. SNOWFALL AROUND THE THERMOPOLIS AREA WILL RANGE FROM 5 TO 8 INCHES WITH LOCALLY HIGHER AMOUNTS POSSIBLE. TOTAL SNOWFALL IN THE MOUNTAINS WILL RANGE FROM 12 TO 16 INCHES. REMEMBER...A WINTER STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. $$ WYZ015-018-091000- /O.UPG.KRIW.WS.A.0004.090309T0600Z-090310T0600Z/ /O.NEW.KRIW.WS.W.0021.090309T1200Z-090310T1200Z/ WIND RIVER MOUNTAINS EAST-LANDER FOOTHILLS- INCLUDING THE CITY OF...LANDER 354 PM MDT SUN MAR 8 2009 ...WINTER STORM WARNING IN EFFECT FROM 6 AM MONDAY TO 6 AM MDT TUESDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 6 AM MONDAY TO 6 AM MDT TUESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. LIGHT SNOW WILL OCCUR IN THE EAST SLOPES OF THE WIND RIVER MOUNTAINS TONIGHT. THE SNOW WILL INCREASE DURING THE DAY MONDAY AND INTO MONDAY NIGHT. LIGHT SNOW WILL DEVELOP AFTER MIDNIGHT IN THE LANDER FOOTHILLS AND INCREASE ON MONDAY INTO MONDAY NIGHT. MODERATE TO HEAVY SNOW WILL OCCUR AT TIMES IN THESE AREAS WITH SNOWFALL RATES OF 1 TO 2 INCHES AN HOUR. SNOWFALL BY LATE MONDAY NIGHT WILL RANGE FROM 6 TO 10 INCHES IN THE LANDER FOOTHILLS WITH LOCALLY HIGHER AMOUNTS POSSIBLE. IN THE MOUNTAINS...TOTAL SNOWFALL OF 12 TO 16 INCHES IS FORECAST. REMEMBER...A WINTER STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. $$ WYZ014-024-091000- /O.NEW.KRIW.WS.W.0021.090309T0000Z-090310T0600Z/ WIND RIVER MOUNTAINS WEST-SALT RIVER AND WYOMING RANGES- 354 PM MDT SUN MAR 8 2009 ...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO MIDNIGHT MDT MONDAY NIGHT... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO MIDNIGHT MDT MONDAY NIGHT. SNOW WILL OCCUR IN MOUNTAINS TONIGHT AND INCREASE BY MONDAY MORNING. SNOW WILL CONTINUE THROUGH LATE MONDAY NIGHT. SNOWFALL RATES OF 1 TO 2 INCHES AN HOUR WILL OCCUR AT TIMES MONDAY AND MONDAY EVENING. TOTAL SNOWFALL WILL RANGE FROM 12 TO 16 INCHES. REMEMBER...A WINTER STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. $$ WYZ017-091000- /O.UPG.KRIW.WS.A.0004.090309T0600Z-090310T0600Z/ /O.NEW.KRIW.WW.Y.0014.090309T1200Z-090310T1200Z/ WIND RIVER BASIN- INCLUDING THE CITIES OF...RIVERTON...SHOSHONI 354 PM MDT SUN MAR 8 2009 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 AM MONDAY TO 6 AM MDT TUESDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 6 AM MONDAY TO 6 AM MDT TUESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. LIGHT SNOW WILL DEVELOP AFTER MIDNIGHT IN THE WIND RIVER BASIN AND INCREASE ON MONDAY. THE SNOW WILL BE MODERATE AT TIMES MONDAY INTO MONDAY NIGHT WITH SNOWFALL RATES OF ONE INCH AN HOUR. TOTAL SNOWFALL OF 3 TO 5 INCHES WILL OCCUR WITH LOCALLY HIGHER AMOUNTS POSSIBLE. SOME DRIFTING SNOW WILL OCCUR IN OPEN AREAS. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ WYZ023-025>027-091000- /O.NEW.KRIW.WW.Y.0014.090309T0000Z-090310T0600Z/ STAR VALLEY-UPPER GREEN RIVER BASIN FOOTHILLS- UPPER GREEN RIVER BASIN-SOUTH LINCOLN COUNTY- INCLUDING THE CITIES OF...AFTON...ALPINE...THAYNE...PINEDALE... LA BARGE...BIG PINEY...FARSON...KEMMERER...COKEVILLE 354 PM MDT SUN MAR 8 2009 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO MIDNIGHT MDT MONDAY NIGHT... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO MIDNIGHT MDT MONDAY NIGHT. LIGHT SNOW WILL DEVELOP THIS EVENING AND CONTINUE ON MONDAY INTO MONDAY EVENING. THE SNOW WILL BE MODERATE AT TIMES MONDAY INTO MONDAY EVENING WITH SNOWFALL RATES OF ONE INCH AN HOUR. TOTAL SNOWFALL OF 3 TO 5 INCHES WILL OCCUR WITH LOCALLY HIGHER AMOUNTS POSSIBLE. SOME DRIFTING SNOW WILL OCCUR IN OPEN AREAS. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ WYZ016-091000- /O.NEW.KRIW.WW.Y.0014.090309T1200Z-090310T1200Z/ UPPER WIND RIVER BASIN- INCLUDING THE CITY OF...DUBOIS 354 PM MDT SUN MAR 8 2009 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 AM MONDAY TO 6 AM MDT TUESDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 6 AM MONDAY TO 6 AM MDT TUESDAY. LIGHT SNOW WILL DEVELOP AROUND MIDNIGHT AND CONTINUE MONDAY INTO MONDAY NIGHT. THE SNOW WILL BE MODERATE AT TIMES MONDAY INTO MONDAY NIGHT WITH SNOWFALL RATES OF ONE INCH AN HOUR. TOTAL SNOWFALL OF 3 TO 5 INCHES WILL OCCUR WITH LOCALLY HIGHER AMOUNTS POSSIBLE. SOME DRIFTING SNOW WILL OCCUR IN OPEN AREAS. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$
5 follow-up statements
000 WWUS45 KRIW 090820 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 220 AM MDT MON MAR 9 2009 ...WINTER STORM WILL CONTINUE TO AFFECT MUCH OF WESTERN AND CENTRAL WYOMING TODAY THROUGH TUESDAY MORNING... .A PACIFIC STORM SYSTEM WILL BRING INCREASING MOISTURE TO SOUTHWESTERN WYOMING TODAY AND TO CENTRAL WYOMING TODAY THROUGH TUESDAY MORNING WITH A SIGNIFICANT SNOWFALL OCCURRING ACROSS THESE AREAS. WYZ008>011-092200- /O.CON.KRIW.WS.W.0021.000000T0000Z-090310T1200Z/ BIGHORN MOUNTAINS WEST-BIGHORN MOUNTAINS SOUTHEAST- NORTHEAST JOHNSON COUNTY-SOUTHEAST JOHNSON COUNTY- INCLUDING THE CITIES OF...BUFFALO...KAYCEE 220 AM MDT MON MAR 9 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT TUESDAY. SNOW WILL CONTINUE ACROSS THE BIGHORN MOUNTAINS AND JOHNSON COUNTY TODAY AND TONIGHT. MODERATE TO HEAVY SNOW WILL OCCUR AT TIMES TODAY AND TONIGHT WITH SNOWFALL RATES OF 1 TO 2 INCHES AN HOUR IN THE BIGHORN MOUNTAINS. TOTAL SNOWFALL WILL RANGE FROM 4 TO 8 INCHES IN JOHNSON COUNTY. A NORTH WIND OF 15 TO 25 MPH WILL CAUSE DRIFTING SNOW AND SOME BLOWING SNOW. IN THE BIGHORN MOUNTAINS...SNOWFALL TOTALS OF 10 TO 18 INCHES ARE ANTICIPATED BY TUESDAY MORNING. SIGNIFICANT BLOWING AND DRIFTING SNOW WILL OCCUR IN OPEN AREAS. REMEMBER...A WINTER STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. $$ WYZ005-007-092200- /O.CON.KRIW.WS.W.0021.090309T1200Z-090310T1200Z/ SOUTHWEST BIG HORN BASIN-OWL CREEK AND BRIDGER MOUNTAINS- INCLUDING THE CITY OF...THERMOPOLIS 220 AM MDT MON MAR 9 2009 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM THIS MORNING TO 6 AM MDT TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM THIS MORNING TO 6 AM MDT TUESDAY. SNOW WILL INCREASE IN INTENSITY TODAY AND TONIGHT ACROSS THE SOUTHWEST BIG HORN BASIN AND IN THE OWL CREEK AND BRIDGER MOUNTAINS. SNOWFALL RATES OF 1 TO 2 INCHES AN HOUR MAY OCCUR IN MODERATE TO HEAVY SNOW BANDS. SNOWFALL AROUND THE THERMOPOLIS AREA WILL RANGE FROM 5 TO 8 INCHES WITH LOCALLY HIGHER AMOUNTS POSSIBLE. TOTAL SNOWFALL IN THE MOUNTAINS WILL RANGE FROM 12 TO 16 INCHES. REMEMBER...A WINTER STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. $$ WYZ014-024-092200- /O.CON.KRIW.WS.W.0021.000000T0000Z-090310T0600Z/ WIND RIVER MOUNTAINS WEST-SALT RIVER AND WYOMING RANGES- 220 AM MDT MON MAR 9 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT. SNOW WILL CONTINUE TODAY IN THE WYOMING AND SLAT RIVER RANGES AND IN THE WESTERN SLOPES OF THE WIND RIVER MOUNTAINS AND THEN TAPER OFF LATE THIS EVENING. SNOWFALL RATES OF 1 TO 2 INCHES AN HOUR WILL OCCUR AT TIMES TODAY AND TONIGHT. TOTAL SNOWFALL WILL RANGE FROM 12 TO 16 INCHES. REMEMBER...A WINTER STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. $$ WYZ015-018-092200- /O.CON.KRIW.WS.W.0021.090309T1200Z-090310T1200Z/ WIND RIVER MOUNTAINS EAST-LANDER FOOTHILLS- INCLUDING THE CITY OF...LANDER 220 AM MDT MON MAR 9 2009 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM THIS MORNING TO 6 AM MDT TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM THIS MORNING TO 6 AM MDT TUESDAY. SNOW WILL INCREASE IN INTENSITY TODAY AND TONIGHT IN THE LANDER FOOTHILLS AND THE EAST SLOPES OF THE WIND RIVER RANGE. MODERATE TO HEAVY SNOW WILL OCCUR AT TIMES WITH SNOWFALL RATES OF 1 TO 2 INCHES AN HOUR. SNOWFALL BY TUESDAY MORNING WILL RANGE FROM 6 TO 10 INCHES IN THE LANDER FOOTHILLS WITH LOCALLY HIGHER AMOUNTS POSSIBLE. IN THE MOUNTAINS...TOTAL SNOWFALL OF 12 TO 16 INCHES IS FORECAST. REMEMBER...A WINTER STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. $$ WYZ019-020-022-092200- /O.EXB.KRIW.WW.Y.0014.090310T0000Z-090310T1800Z/ GREEN MOUNTAINS AND RATTLESNAKE RANGE- NATRONA COUNTY LOWER ELEVATIONS-CASPER MOUNTAIN- INCLUDING THE CITIES OF...JEFFREY CITY...CASPER 220 AM MDT MON MAR 9 2009 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 12 PM MDT TUESDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 12 PM MDT TUESDAY. LIGHT SNOW WILL DEVELOP THIS EVENING AND CONTINUE INTO LATE TUESDAY MORNING IN NATRONA COUNTY AND IN THE GREEN MOUNTAINS AND RATTLESNAKE RANGE. SNOW MAY BECOME MODERATE AT TIMES THIS EVENING AND LATE TONIGHT. TOTAL SNOWFALL OF 3 TO 5 INCHES WILL OCCUR IN THE LOWER ELEVATIONS OF NATRONA COUNTY AND IN THE GREEN MOUNTAINS AND THE RATTLESNAKE RANGE WITH LOCALLY HIGHER AMOUNTS POSSIBLE. SNOWFALL AMOUNTS ON CASPER MOUNTAIN WILL RANGE FROM 6 TO 9 INCHES. SOME DRIFTING SNOW WILL OCCUR IN OPEN AREAS. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ WYZ016-017-092200- /O.CON.KRIW.WW.Y.0014.090309T1200Z-090310T1200Z/ UPPER WIND RIVER BASIN-WIND RIVER BASIN- INCLUDING THE CITIES OF...DUBOIS...RIVERTON...SHOSHONI 220 AM MDT MON MAR 9 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 AM THIS MORNING TO 6 AM MDT TUESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 AM THIS MORNING TO 6 AM MDT TUESDAY. PERIODS OF LIGHT SNOW WILL CONTINUE IN THE WIND RIVER BASIN TODAY AND TONIGHT. THE SNOW MAY BECOME MODERATE AT TIMES LATE THIS AFTERNOON AND THIS EVENING WITH SNOWFALL RATES OF ONE INCH AN HOUR. TOTAL SNOWFALL OF 3 TO 6 INCHES WILL OCCUR WITH LOCALLY HIGHER AMOUNTS POSSIBLE. SOME DRIFTING SNOW WILL OCCUR IN OPEN AREAS. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ WYZ023-025>027-092200- /O.CON.KRIW.WW.Y.0014.000000T0000Z-090310T0600Z/ STAR VALLEY-UPPER GREEN RIVER BASIN FOOTHILLS- UPPER GREEN RIVER BASIN-SOUTH LINCOLN COUNTY- INCLUDING THE CITIES OF...AFTON...ALPINE...THAYNE...PINEDALE... LA BARGE...BIG PINEY...FARSON...KEMMERER...COKEVILLE 220 AM MDT MON MAR 9 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT. LIGHT SNOW WILL CONTINUE TODAY IN THE UPPER GREEN RIVER BASIN AND IN THE LOWER ELEVATIONS OF LINCOLN COUNTY AND TAPER OFF LATE THIS EVENING. THE SNOW WILL BE MODERATE AT TIMES TODAY THROUGH THIS EVENING WITH SNOWFALL RATES OF ONE INCH AN HOUR POSSIBLE. TOTAL SNOWFALL OF 3 TO 5 INCHES WILL OCCUR WITH LOCALLY HIGHER AMOUNTS POSSIBLE. SOME DRIFTING SNOW WILL OCCUR IN OPEN AREAS. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ SMITH
000 WWUS45 KRIW 091614 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 1014 AM MDT MON MAR 9 2009 ...WINTER STORM WILL CONTINUE TO AFFECT MUCH OF WESTERN AND CENTRAL WYOMING TODAY THROUGH TUESDAY MORNING... .A PACIFIC STORM SYSTEM WILL BRING INCREASING MOISTURE TO SOUTHWESTERN WYOMING TODAY AND TO CENTRAL WYOMING TODAY THROUGH TUESDAY MORNING WITH A SIGNIFICANT SNOWFALL OCCURRING ACROSS THESE AREAS. WYZ017-092300- /O.UPG.KRIW.WW.Y.0014.000000T0000Z-090310T1200Z/ /O.EXA.KRIW.WS.W.0021.000000T0000Z-090310T1200Z/ WIND RIVER BASIN- INCLUDING THE CITIES OF...RIVERTON...SHOSHONI 1014 AM MDT MON MAR 9 2009 ...WINTER STORM WARNING IN EFFECT UNTIL 6 AM MDT TUESDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER STORM WARNING FOR SNOW WHICH IS IN EFFECT UNTIL 6 AM MDT TUESDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. PERIODS OF SNOW WILL CONTINUE IN THE WIND RIVER BASIN TODAY AND TONIGHT. THE SNOW MAY BECOME HEAVY AT TIMES LATE THIS AFTERNOON AND THIS EVENING WITH SNOWFALL RATES UP TO ONE INCH AN HOUR. TOTAL SNOWFALL OF 5 TO 8 INCHES WILL OCCUR IN MOST AREAS WITH 8 TO 10 INCHES AROUND FORT WASHAKIE BY LATE TONIGHT. SOME DRIFTING SNOW WILL OCCUR IN OPEN AREAS. THE COMBINATION OF SNOW...TEMPERATURES IN THE TEENS...AND SLICK ROAD CONDITIONS WILL CAUSE PROBLEMS FOR TRAVELLERS...RANCHERS AND OTHERS WITH OUTDOOR INTERESTS TODAY AND TONIGHT. REMEMBER...A WINTER STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. REMEMBER...IN ICE AND SNOW DRIVE SLOW. $$ WYZ016-092300- /O.UPG.KRIW.WW.Y.0014.000000T0000Z-090310T1200Z/ /O.EXA.KRIW.WS.W.0021.000000T0000Z-090310T1200Z/ UPPER WIND RIVER BASIN- INCLUDING THE CITY OF...DUBOIS 1014 AM MDT MON MAR 9 2009 ...WINTER STORM WARNING IN EFFECT UNTIL 6 AM MDT TUESDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER STORM WARNING FOR SNOW WHICH IS IN EFFECT UNTIL 6 AM MDT TUESDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. PERIODS OF SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH EARLY THIS EVENING. LIGHTER SNOW WILL CONTINUE OVERNIGHT. SNOWFALL RATES OF ONE INCH AN HOUR ARE POSSIBLE AT TIMES. TOTAL SNOWFALL OF 6 TO 8 INCHES WILL OCCUR WITH LOCALLY HIGHER AMOUNTS POSSIBLE. SOME DRIFTING SNOW WILL OCCUR IN OPEN AREAS. AS OF 10 AM...DUBOIS ALREADY REPORTED 3 INCHES OF SNOW WITH HEAVY SNOW FALLING. THE COMBINATION OF SNOW...TEMPERATURES IN THE TEENS...AND SLICK ROAD CONDITIONS WILL CAUSE PROBLEMS FOR TRAVELLERS...RANCHERS AND OTHERS WITH OUTDOOR INTERESTS TODAY AND TONIGHT. REMEMBER...A WINTER STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. REMEMBER...IN ICE AND SNOW DRIVE SLOW. $$ WYZ008>011-092300- /O.CON.KRIW.WS.W.0021.000000T0000Z-090310T1200Z/ BIGHORN MOUNTAINS WEST-BIGHORN MOUNTAINS SOUTHEAST- NORTHEAST JOHNSON COUNTY-SOUTHEAST JOHNSON COUNTY- INCLUDING THE CITIES OF...BUFFALO...KAYCEE 1014 AM MDT MON MAR 9 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT TUESDAY. SNOW WILL CONTINUE ACROSS THE BIGHORN MOUNTAINS AND JOHNSON COUNTY TODAY AND TONIGHT. MODERATE TO HEAVY SNOW WILL OCCUR AT TIMES TODAY AND TONIGHT WITH SNOWFALL RATES OF 1 TO 2 INCHES AN HOUR IN THE BIGHORN MOUNTAINS. TOTAL SNOWFALL WILL RANGE FROM 4 TO 8 INCHES IN JOHNSON COUNTY. A NORTH WIND OF 15 TO 25 MPH WILL CAUSE DRIFTING SNOW AND SOME BLOWING SNOW. BUFFALO REPORTED 2 INCHES OF SNOW AS OF 9 AM THIS MORNING. IN THE BIGHORN MOUNTAINS...SNOWFALL TOTALS OF 10 TO 18 INCHES ARE ANTICIPATED BY TUESDAY MORNING. SIGNIFICANT BLOWING AND DRIFTING SNOW WILL OCCUR IN OPEN AREAS. REMEMBER...A WINTER STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. $$ WYZ005-007-092300- /O.CON.KRIW.WS.W.0021.000000T0000Z-090310T1200Z/ SOUTHWEST BIG HORN BASIN-OWL CREEK AND BRIDGER MOUNTAINS- INCLUDING THE CITY OF...THERMOPOLIS 1014 AM MDT MON MAR 9 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT TUESDAY. SNOW WILL INCREASE IN INTENSITY TODAY AND TONIGHT ACROSS THE SOUTHWEST BIG HORN BASIN AND IN THE OWL CREEK AND BRIDGER MOUNTAINS. SNOWFALL RATES OF 1 TO 2 INCHES AN HOUR MAY OCCUR IN MODERATE TO HEAVY SNOW BANDS. SNOWFALL AROUND THE THERMOPOLIS AREA WILL RANGE FROM 5 TO 8 INCHES WITH LOCALLY HIGHER AMOUNTS POSSIBLE. TOTAL SNOWFALL IN THE MOUNTAINS WILL RANGE FROM 12 TO 16 INCHES. THE COMBINATION OF SNOW...TEMPERATURES IN THE TEENS...AND SLICK ROAD CONDITIONS WILL CAUSE PROBLEMS FOR TRAVELLERS...RANCHERS AND OTHERS WITH OUTDOOR INTERESTS TODAY AND TONIGHT. REMEMBER...A WINTER STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. $$ WYZ015-018-092300- /O.CON.KRIW.WS.W.0021.000000T0000Z-090310T1200Z/ WIND RIVER MOUNTAINS EAST-LANDER FOOTHILLS- INCLUDING THE CITY OF...LANDER 1014 AM MDT MON MAR 9 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT TUESDAY. SNOW...HEAVY AT TIMES...WILL CONTINUE INTO EARLY THIS EVENING. SNOWFALL RATES OF 1 TO 2 INCHES AN HOUR ARE POSSIBLE...ESPECIALLY THIS AFTERNOON AND EARLY EVENING. SNOWFALL BY TUESDAY MORNING WILL RANGE FROM 8 TO 12 INCHES IN THE LANDER FOOTHILLS WITH LOCALLY HIGHER AMOUNTS POSSIBLE. IN THE MOUNTAINS...TOTAL SNOWFALL OF 12 TO 18 INCHES IS FORECAST. THE COMBINATION OF SNOW...TEMPERATURES IN THE TEENS...AND SLICK ROAD CONDITIONS WILL CAUSE PROBLEMS FOR TRAVELLERS...RANCHERS AND OTHERS WITH OUTDOOR INTERESTS TODAY AND TONIGHT. REMEMBER...A WINTER STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. REMEMBER...IN ICE AND SNOW... DRIVE SLOW. $$ WYZ014-024-092300- /O.CON.KRIW.WS.W.0021.000000T0000Z-090310T0600Z/ WIND RIVER MOUNTAINS WEST-SALT RIVER AND WYOMING RANGES- 1014 AM MDT MON MAR 9 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT. SNOW WILL CONTINUE TODAY IN THE WYOMING AND SLAT RIVER RANGES AND IN THE WESTERN SLOPES OF THE WIND RIVER MOUNTAINS AND THEN TAPER OFF LATE THIS EVENING. SNOWFALL RATES OF 1 TO 2 INCHES AN HOUR WILL OCCUR AT TIMES TODAY AND TONIGHT. TOTAL SNOWFALL WILL RANGE FROM 12 TO 16 INCHES. REMEMBER...A WINTER STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. $$ WYZ019-020-022-092300- /O.CON.KRIW.WW.Y.0014.090310T0000Z-090310T1800Z/ GREEN MOUNTAINS AND RATTLESNAKE RANGE- NATRONA COUNTY LOWER ELEVATIONS-CASPER MOUNTAIN- INCLUDING THE CITIES OF...JEFFREY CITY...CASPER 1014 AM MDT MON MAR 9 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 12 PM MDT TUESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 12 PM MDT TUESDAY. LIGHT SNOW WILL CONTINUE TODAY BUT INCREASE IN INTENSITY BY EARLY THIS EVENING AND CONTINUE OVERNIGHT AND INTO TUESDAY MORNING. TOTAL SNOWFALL OF 3 TO 6 INCHES WILL OCCUR IN THE LOWER ELEVATIONS OF NATRONA COUNTY AND IN THE GREEN MOUNTAINS AND THE RATTLESNAKE RANGE WITH LOCALLY HIGHER AMOUNTS POSSIBLE. SNOWFALL AMOUNTS ON CASPER MOUNTAIN WILL RANGE FROM 6 TO 10 INCHES. SOME DRIFTING SNOW WILL OCCUR IN OPEN AREAS. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ WYZ023-025>027-092300- /O.CON.KRIW.WW.Y.0014.000000T0000Z-090310T0600Z/ STAR VALLEY-UPPER GREEN RIVER BASIN FOOTHILLS- UPPER GREEN RIVER BASIN-SOUTH LINCOLN COUNTY- INCLUDING THE CITIES OF...AFTON...ALPINE...THAYNE...PINEDALE... LA BARGE...BIG PINEY...FARSON...KEMMERER...COKEVILLE 1014 AM MDT MON MAR 9 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT. LIGHT SNOW WILL CONTINUE TODAY IN THE UPPER GREEN RIVER BASIN AND IN THE LOWER ELEVATIONS OF LINCOLN COUNTY AND TAPER OFF LATE THIS EVENING. THE SNOW WILL BE MODERATE AT TIMES TODAY THROUGH THIS EVENING WITH SNOWFALL RATES OF ONE INCH AN HOUR POSSIBLE. TOTAL SNOWFALL OF 3 TO 5 INCHES WILL OCCUR WITH LOCALLY HIGHER AMOUNTS POSSIBLE. SOME DRIFTING SNOW WILL OCCUR IN OPEN AREAS. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ TEAM RIVERTON
000 WWUS45 KRIW 092118 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 318 PM MDT MON MAR 9 2009 ...WINTER STORM WILL CONTINUE TO AFFECT MUCH OF WESTERN AND CENTRAL WYOMING THROUGH TONIGHT... .A MAJOR LATE WINTER STORM WILL CONTINUE TO IMPACT MUCH OF CENTRAL AND WESTERN WYOMING THROUGH THE NIGHT. ANOTHER BURST OF MODERATE TO HEAVY SNOWFALL IS EXPECTED TO GRADUALLY MOVE INTO CENTRAL WYOMING THROUGH THE EVENING HOURS WITH SNOWFALL RATES UP TO AN INCH PER HOUR WITH LOCALLY HEAVIER AMOUNTS IN THE MOUNTAINS. WYZ019-020-022-100600- /O.UPG.KRIW.WW.Y.0014.090310T0000Z-090310T1800Z/ /O.EXB.KRIW.WS.W.0021.090310T0000Z-090310T1200Z/ GREEN MOUNTAINS AND RATTLESNAKE RANGE- NATRONA COUNTY LOWER ELEVATIONS-CASPER MOUNTAIN- INCLUDING THE CITIES OF...JEFFREY CITY...CASPER 318 PM MDT MON MAR 9 2009 ...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 AM MDT TUESDAY... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A WINTER STORM WARNING FOR SNOW AND WIND WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 6 AM MDT TUESDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. SNOW WILL INCREASE INTO THE EVENING HOURS AND BECOME HEAVY AT TIMES. SNOWFALL RATES UP TO AN INCH PER HOUR ARE EXPECTED FROM AROUND DARK THROUGH THE EARLY MORNING HOURS. TOTAL SNOWFALL OF 5 TO 7 INCHES WILL OCCUR IN THE LOWER ELEVATIONS OF NATRONA COUNTY AND IN THE GREEN MOUNTAINS AND THE RATTLESNAKE RANGE WITH LOCALLY HIGHER AMOUNTS POSSIBLE...ESPECIALLY NEAR CASPER MOUNTAIN. SNOWFALL AMOUNTS ON CASPER MOUNTAIN WILL RANGE FROM 8 TO 14 INCHES. SOME DRIFTING SNOW WILL OCCUR IN OPEN AREAS. THE COMBINATION OF SNOW...TEMPERATURES FALLING INTO THE SINGLE DIGITS GUSTY NORTHEAST WINDS OF 15 TO 25 MPH...AND SLICK ROAD CONDITIONS WILL CAUSE PROBLEMS FOR TRAVELLERS...RANCHERS AND OTHERS WITH OUTDOOR INTERESTS THROUGH TONIGHT. REMEMBER...A WINTER STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. $$ WYZ008>011-100600- /O.CON.KRIW.WS.W.0021.000000T0000Z-090310T1200Z/ BIGHORN MOUNTAINS WEST-BIGHORN MOUNTAINS SOUTHEAST- NORTHEAST JOHNSON COUNTY-SOUTHEAST JOHNSON COUNTY- INCLUDING THE CITIES OF...BUFFALO...KAYCEE 318 PM MDT MON MAR 9 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT TUESDAY. SNOW WILL INCREASE AGAIN ACROSS THE BIGHORN MOUNTAINS AND JOHNSON COUNTY BY THIS EVENING AND CONTINUE OVERNIGHT. A PERIOD OF MODERATE TO HEAVY SNOW IS EXPECTED TONIGHT WITH SNOWFALL RATES OF 1 TO 2 INCHES AN HOUR IN THE BIGHORN MOUNTAINS AND UP TO AN INCH PER HOUR ACROSS THE LOWER ELEVATIONS. TOTAL SNOWFALL WILL RANGE FROM 4 TO 8 INCHES IN JOHNSON COUNTY. A NORTH WIND OF 15 TO 25 MPH WILL CAUSE DRIFTING SNOW AND SOME BLOWING SNOW. BUFFALO AND KAYCEE REPORTED 2 TO 4 INCHES OF SNOW AS OF 3 PM THIS AFTERNOON. IN THE BIGHORN MOUNTAINS...SNOWFALL TOTALS OF 10 TO 18 INCHES ARE ANTICIPATED BY TUESDAY MORNING. SIGNIFICANT BLOWING AND DRIFTING SNOW WILL OCCUR IN OPEN AREAS. REMEMBER...A WINTER STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. $$ WYZ005-007-100600- /O.CON.KRIW.WS.W.0021.000000T0000Z-090310T1200Z/ SOUTHWEST BIG HORN BASIN-OWL CREEK AND BRIDGER MOUNTAINS- INCLUDING THE CITY OF...THERMOPOLIS 318 PM MDT MON MAR 9 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT TUESDAY. SNOW WILL INCREASE IN INTENSITY THIS EVENING AND CONTINUE OVERNIGHT ACROSS THE SOUTHWEST BIG HORN BASIN AND IN THE OWL CREEK AND BRIDGER MOUNTAINS. SNOWFALL RATES OF 1 TO 2 INCHES AN HOUR MAY OCCUR IN MODERATE TO HEAVY SNOW BANDS. THERMOPOLIS REPORTED 4 TO 5 INCHES OF SNOW AS OF LATE THIS AFTERNOON. SNOWFALL AROUND THE THERMOPOLIS AREA WILL RANGE FROM 6 TO 8 INCHES WITH LOCALLY HIGHER AMOUNTS POSSIBLE. TOTAL SNOWFALL IN THE MOUNTAINS WILL RANGE FROM 12 TO 16 INCHES. THE COMBINATION OF SNOW...TEMPERATURES FALLING INTO THE SINGLE DIGITS AND SLICK ROAD CONDITIONS WILL CAUSE PROBLEMS FOR TRAVELLERS...RANCHERS AND OTHERS WITH OUTDOOR INTERESTS THROUGH TONIGHT. REMEMBER...A WINTER STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. $$ WYZ016-100600- /O.CON.KRIW.WS.W.0021.000000T0000Z-090310T1200Z/ UPPER WIND RIVER BASIN- INCLUDING THE CITY OF...DUBOIS 318 PM MDT MON MAR 9 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT TUESDAY. PERIODS OF SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH EARLY THIS EVENING. LIGHTER SNOW WILL CONTINUE OVERNIGHT. SNOWFALL RATES OF ONE INCH AN HOUR ARE POSSIBLE AT TIMES. TOTAL SNOWFALL OF 6 TO 8 INCHES WILL OCCUR WITH LOCALLY HIGHER AMOUNTS POSSIBLE. SOME DRIFTING SNOW WILL OCCUR IN OPEN AREAS. AS OF 3 PM...DUBOIS REPORTED 4 INCHES OF SNOW WITH MODERATE SNOW FALLING. THE COMBINATION OF SNOW...TEMPERATURES FALLING INTO THE SINGLE DIGITS AND SLICK ROAD CONDITIONS WILL CAUSE PROBLEMS FOR TRAVELLERS...RANCHERS AND OTHERS WITH OUTDOOR INTERESTS THROUGH TONIGHT. REMEMBER...A WINTER STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. REMEMBER...IN ICE AND SNOW DRIVE SLOW. $$ WYZ015-018-100600- /O.CON.KRIW.WS.W.0021.000000T0000Z-090310T1200Z/ WIND RIVER MOUNTAINS EAST-LANDER FOOTHILLS- INCLUDING THE CITY OF...LANDER 318 PM MDT MON MAR 9 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT TUESDAY. SNOW...HEAVY AT TIMES...WILL CONTINUE INTO EARLY THIS EVENING. SNOWFALL RATES OF 1 TO 2 INCHES AN HOUR ARE POSSIBLE...ESPECIALLY THIS AFTERNOON AND EARLY EVENING. SNOWFALL BY TUESDAY MORNING WILL RANGE FROM 9 TO 12 INCHES IN AND AROUND LANDER WITH LOCALLY HIGHER AMOUNTS POSSIBLE. IN THE MOUNTAINS...TOTAL SNOWFALL OF 12 TO 18 INCHES IS FORECAST. THE LANDER AREA REPORTED 5 TO 7 INCHES OF SNOW AS OF 3 PM THIS AFTERNOON. THE COMBINATION OF SNOW...TEMPERATURES FALLING INTO THE SINGLE DIGITS AND SLICK ROAD CONDITIONS WILL CAUSE PROBLEMS FOR TRAVELLERS...RANCHERS AND OTHERS WITH OUTDOOR INTERESTS THROUGH TONIGHT. REMEMBER...A WINTER STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. REMEMBER...IN ICE AND SNOW... DRIVE SLOW. $$ WYZ014-024-100600- /O.CON.KRIW.WS.W.0021.000000T0000Z-090310T0600Z/ WIND RIVER MOUNTAINS WEST-SALT RIVER AND WYOMING RANGES- 318 PM MDT MON MAR 9 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT. SNOW WILL CONTINUE TODAY IN THE WYOMING AND SLAT RIVER RANGES AND IN THE WESTERN SLOPES OF THE WIND RIVER MOUNTAINS AND THEN TAPER OFF LATE THIS EVENING. SNOWFALL RATES OF 1 TO 2 INCHES AN HOUR WILL OCCUR AT TIMES THROUGH THIS EVENING. TOTAL SNOWFALL WILL RANGE FROM 12 TO 16 INCHES. AS OF 3 PM...SNOWFALL AMOUNTS VARIED FROM 4 TO 8 INCHES. REMEMBER...A WINTER STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. $$ WYZ017-100600- /O.CON.KRIW.WS.W.0021.000000T0000Z-090310T1200Z/ WIND RIVER BASIN- INCLUDING THE CITIES OF...RIVERTON...SHOSHONI 318 PM MDT MON MAR 9 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT TUESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT TUESDAY. PERIODS OF SNOW WILL CONTINUE THROUGH TONIGHT. A PERIOD OF HEAVIER SNOW INTO THE EVENING HOURS WITH SNOWFALL RATES UP TO ONE INCH AN HOUR. TOTAL SNOWFALL OF 5 TO 8 INCHES WILL OCCUR IN MOST AREAS WITH 8 TO 10 INCHES AROUND FORT WASHAKIE BY LATE TONIGHT. SOME DRIFTING SNOW WILL OCCUR IN OPEN AREAS. THE COMBINATION OF SNOW...TEMPERATURES FALLING INTO THE SINGLE DIGITS GUSTY NORTHEAST WINDS OF 15 TO 25 MPH...AND SLICK ROAD CONDITIONS WILL CAUSE PROBLEMS FOR TRAVELLERS...RANCHERS AND OTHERS WITH OUTDOOR INTERESTS THROUGH TONIGHT. REMEMBER...A WINTER STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. REMEMBER...IN ICE AND SNOW DRIVE SLOW. $$ WYZ023-025>027-100600- /O.CON.KRIW.WW.Y.0014.000000T0000Z-090310T0600Z/ STAR VALLEY-UPPER GREEN RIVER BASIN FOOTHILLS- UPPER GREEN RIVER BASIN-SOUTH LINCOLN COUNTY- INCLUDING THE CITIES OF...AFTON...ALPINE...THAYNE...PINEDALE... LA BARGE...BIG PINEY...FARSON...KEMMERER...COKEVILLE 318 PM MDT MON MAR 9 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT. SNOW WILL CONTINUE THROUGH THIS EVENING IN THE UPPER GREEN RIVER BASIN AND IN THE LOWER ELEVATIONS OF LINCOLN COUNTY AND TAPER OFF BY MIDNIGHT. THE BURST OF HEAVIER SNOW IS POSSIBLE DURING THE EVENING HOURS WITH SNOWFALL RATES OF ONE INCH AN HOUR POSSIBLE. TOTAL SNOWFALL OF 3 TO 5 INCHES WILL OCCUR WITH LOCALLY HIGHER AMOUNTS POSSIBLE. SOME DRIFTING SNOW WILL OCCUR IN OPEN AREAS. SNOWFALL AMOUNTS AS OF 3 PM HAVE VARIED FROM 1 TO 4 INCHES. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$ TEAM RIVERTON
000 WWUS45 KRIW 100608 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 1208 AM MDT TUE MAR 10 2009 ...WINTER STORM WILL EXIT THE REGION TO THE EAST EARLY TUESDAY MORNING... .A MAJOR LATE WINTER STORM WILL CONTINUE TO AFFECT EASTERN PORTIONS OF CENTRAL WYOMING THROUGH THE EARLY MORNING HOURS. SNOW BANDS HAVE SHIFTED WELL TO THE EAST OF THE REMAINDER OF CENTRAL WYOMING AND WESTERN WYOMING...AND THESE AREAS WILL SEE LITTLE ADDITIONAL SNOWFALL ACCUMULATIONS DURING THE EARLY MORNING HOURS OF TUESDAY. WYZ005-007>011-015>019-100715- /O.CAN.KRIW.WS.W.0021.000000T0000Z-090310T1200Z/ SOUTHWEST BIG HORN BASIN-OWL CREEK AND BRIDGER MOUNTAINS- BIGHORN MOUNTAINS WEST-BIGHORN MOUNTAINS SOUTHEAST- NORTHEAST JOHNSON COUNTY-SOUTHEAST JOHNSON COUNTY- WIND RIVER MOUNTAINS EAST-UPPER WIND RIVER BASIN-WIND RIVER BASIN- LANDER FOOTHILLS-GREEN MOUNTAINS AND RATTLESNAKE RANGE- INCLUDING THE CITIES OF...THERMOPOLIS...BUFFALO...KAYCEE... DUBOIS...RIVERTON...SHOSHONI...LANDER...JEFFREY CITY 1208 AM MDT TUE MAR 10 2009 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS CANCELLED THE WINTER STORM WARNING. STEADIER SNOWFALL HAS MOVED WELL EAST OF THE REGION...ALTHOUGH PERIODS OF LIGHT SNOW WILL PERSIST IN SOME AREAS...ESPECIALLY IN JOHNSON COUNTY...WITH LIGHT ADDITIONAL ACCUMULATIONS. THEREFORE...THE WINTER STORM WARNING HAS BEEN CANCELLED. $$ WYZ014-024-100715- /O.CAN.KRIW.WS.W.0021.000000T0000Z-090310T0600Z/ WIND RIVER MOUNTAINS WEST-SALT RIVER AND WYOMING RANGES- 1208 AM MDT TUE MAR 10 2009 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS CANCELLED THE WINTER STORM WARNING. STEADIER SNOWFALL HAS MOVED WELL TO THE EAST OF THE REGION TONIGHT. LIGHT SNOW SHOWERS WILL STILL BE POSSIBLE OVERNIGHT WITH LITTLE ADDITIONAL ACCUMULATION. THEREFORE...THE WINTER STORM WARNING HAS BEEN CANCELLED. $$ WYZ023-025>027-100715- /O.CAN.KRIW.WW.Y.0014.000000T0000Z-090310T0600Z/ STAR VALLEY-UPPER GREEN RIVER BASIN FOOTHILLS- UPPER GREEN RIVER BASIN-SOUTH LINCOLN COUNTY- INCLUDING THE CITIES OF...AFTON...ALPINE...THAYNE...PINEDALE... LA BARGE...BIG PINEY...FARSON...KEMMERER...COKEVILLE 1208 AM MDT TUE MAR 10 2009 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS CANCELLED THE WINTER WEATHER ADVISORY. STEADIER SNOWFALL HAS MOVED WELL TO THE EAST OF THE REGION TONIGHT. LIGHT SNOW SHOWERS WILL STILL BE POSSIBLE OVERNIGHT WITH LITTLE ADDITIONAL ACCUMULATION. THEREFORE...THE WINTER STORM WARNING HAS BEEN CANCELLED. $$ WYZ020-022-101200- /O.EXT.KRIW.WS.W.0021.000000T0000Z-090310T1200Z/ NATRONA COUNTY LOWER ELEVATIONS-CASPER MOUNTAIN- INCLUDING THE CITY OF...CASPER 1208 AM MDT TUE MAR 10 2009 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 6 AM MDT TUESDAY... THE WINTER STORM WARNING IN EFFECT UNTIL 6 AM MDT TUESDAY. SNOW WILL CONTINUE THROUGH THE EARLY MORNING HOURS OF TUESDAY. TOTAL SNOWFALL OF 3 TO 7 INCHES WILL OCCUR IN THE LOWER ELEVATIONS OF NATRONA COUNTY. SNOWFALL AMOUNTS ON CASPER MOUNTAIN WILL RANGE FROM 6 TO 12 INCHES. SOME DRIFTING SNOW WILL OCCUR IN OPEN AREAS. THE COMBINATION OF SNOW...TEMPERATURES FALLING INTO THE SINGLE DIGITS GUSTY NORTHEAST WINDS OF 15 TO 25 MPH...AND SLICK ROAD CONDITIONS WILL CAUSE PROBLEMS FOR TRAVELERS...RANCHERS AND OTHERS WITH OUTDOOR INTERESTS THROUGH TUESDAY MORNING. REMEMBER...A WINTER STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. $$ SMITH
000 WWUS45 KRIW 100836 WSWRIW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE RIVERTON WY 236 AM MDT TUE MAR 10 2009 ...WINTER STORM WILL EXIT THE REGION TO THE EAST EARLY THIS MORNING... .A LATE WINTER STORM WILL MOVE EAST OF CENTRAL WYOMING THIS MORNING. HEAVIER SNOW BANDS HAVE SHIFTED WELL TO THE EAST OF CENTRAL WYOMING AND WESTERN WYOMING...AND LIGHT SNOW FALLING ACROSS CENTRAL WYOMING WILL END THIS MORNING WITH LITTLE ADDITIONAL ACCUMULATION EXPECTED. WYZ020-022-100945- /O.CAN.KRIW.WS.W.0021.000000T0000Z-090310T1200Z/ NATRONA COUNTY LOWER ELEVATIONS-CASPER MOUNTAIN- INCLUDING THE CITY OF...CASPER 236 AM MDT TUE MAR 10 2009 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN RIVERTON HAS CANCELLED THE WINTER STORM WARNING. MODERATE SNOW HAS MOVED TO THE NORTH AND EAST OF CENTRAL WYOMING THIS MORNING WITH DRIER AIR MOVING INTO THE AREA FROM THE SOUTHWEST. LIGHT SNOW WILL LINGER INTO THE MID MORNING HOURS ACROSS THE LOWER ELEVATIONS OF NATRONA COUNTY AND CASPER MOUNTAIN WITH LITTLE ADDITIONAL ACCUMULATION EXPECTED. THEREFORE...THE WINTER STORM WARNINGS FOR THESE AREAS HAVE BEEN CANCELLED. $$ SMITH
The office that day
Everything else NWS Riverton, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 8, 3:54 PM MDT | Winter Weather Advisory | RIW | Fremont, Lincoln, Natrona, Sublette, Sweetwater | 32 hr |
Nearby
Winter Storm Warnings in Wyoming, 2009Every winter storm warning in 2009
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.