Alert archive / Wyoming / Winter Storm Warnings in 2011
Winter Storm Warning 16, NWS Cheyenne, WY
NWS Cheyenne, WY issued this winter storm warning at Nov 18, 2011, 3:15 AM MST for Converse County, Niobrara County, Wyoming. It took effect at Nov 18, 2011, 6:00 PM MST. It was in force for 10 hr. 2 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
- Nov 18, 2011, 3:15 AM MST (10:15 UTC)
- In effect from
- Nov 18, 2011, 6:00 PM MST
- Expired
- Nov 19, 2011, 3:59 AM MST
- In force
- 10 hr
- Issued by
- NWS Cheyenne, WY
Counties Converse County, WY, Niobrara County, WY
The radar
The Cheyenne radar (KCYS), 208 km from the middle of the area, began a volume at 10:21 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 |
|---|---|---|---|
| Nov 19, 3:00 AM MST | SNOW 3.5 | Mule Creek Junction, WY | FROM DEPUTY SHERIFF IN MULE CREEK JUNCTION |
| Nov 19, 3:00 AM MST | HEAVY SNOW 8 | 15 Nnw Bill, WY | 6 TO 8 INCHES REPORTED IN NORTHERN PORTIONS OF CONVERSE COUNTY |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Rapid City, SD (KUNR), launched 00:00Z, 10.3 hours before the alert went out and 207 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
- 2986 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 146 m²/s²
- 0-3 km storm-relative helicity
- 149 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
796 WWUS45 KCYS 181015 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 315 AM MST FRI NOV 18 2011 ...PACIFIC STORM SYSTEM TO IMPACT THE REGION TONIGHT AND SATURDAY... .A WINTER STORM SYSTEM WILL MOVE FROM THE PACIFIC NORTHWEST TODAY...AND ACROSS WYOMING TONIGHT. THIS QUICK MOVING STORM SYSTEM WILL PRODUCE SNOW ACROSS MUCH OF WYOMING TONIGHT AND INTO SATURDAY MORNING BEFORE MOVING INTO THE NORTHERN PLAINS. SNOW AMOUNTS WILL VARY GREATLY ACROSS SOUTHEAST WYOMING...WITH LITTLE TO NO SNOW EXPECTED ACROSS FAR SOUTHEAST WYOMING...WHILE OTHER PORTIONS OF SOUTHEAST WYOMING MAY SEE 6 TO 10 INCHES OF SNOW THROUGH SATURDAY MORNING. WINDS WILL BECOME GUSTY TONIGHT AND WILL PRODUCE AREAS OF BLOWING SNOW...SIGNIFICANTLY REDUCING VISIBILITIES AT TIMES. TRAVEL WILL BECOME DIFFICULT ACROSS MUCH OF THE AREA TONIGHT. WYZ101-102-181815- /O.NEW.KCYS.WS.W.0016.111119T0100Z-111119T1900Z/ CONVERSE COUNTY LOWER ELEVATIONS-NIOBRARA COUNTY- INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...LUSK 315 AM MST FRI NOV 18 2011 ...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO NOON MST SATURDAY... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW AND GUSTY WINDS...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO NOON MST SATURDAY. * TIMING...SNOW WILL BEGIN TO FALL LATE THIS AFTERNOON AND THIS EVENING. AS THE NIGHT PROGRESSES...SNOW INTENSITIES WILL INCREASE...WITH SNOW BECOMING HEAVY AT TIMES. SNOW RATES OF 1 TO 2 INCHES AN HOUR WILL BE POSSIBLE FRIDAY NIGHT. SNOW WILL BEING TO TAPER OFF SATURDAY MORNING. * TOTAL SNOW ACCUMULATIONS...4 TO 8 INCHES OF SNOW IS EXPECTED ACROSS THE WARNED AREA...WITH THE HIGHEST SNOW AMOUNTS EXPECTED ACROSS NORTHERN CONVERSE AND NORTHERN NIOBRARA COUNTIES. A SHARP DIFFERENCE IN SNOW AMOUNTS IS EXPECTED ACROSS NIOBRARA COUNTY...WITH ONLY A FEW INCHES OF ACCUMULATION LIKELY OVER FAR SOUTHERN PORTIONS OF THE COUNTY. * WIND AND VISIBILITIES...EAST TO NORTHEAST WINDS WILL INCREASE TO 15 TO 25 MPH TONIGHT...WITH GUSTS AS HIGH AS 35 MPH. WINDS ARE EXPECTED TO BE THE STRONGEST ACROSS NIOBRARA COUNTY...WITH LIGHTLY LESSER WINDS OVER CONVERSE COUNTY. * IMPACTS...ROADS WILL BECOME SNOW COVERED...AND VISIBILITIES WILL BE SIGNIFICANTLY REDUCED...MAKING TRAVEL VERY DIFFICULT IF NOT IMPOSSIBLE. THOSE WITH TRAVEL PLANS SHOULD PREPARE FOR ADVERSE WINTER CONDITIONS OR RECONSIDER TRAVELING ALTOGETHER. 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. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WWW.WYOROAD.INFO. && $$ WYZ103>105-109>114-181815- /O.NEW.KCYS.WW.Y.0028.111119T0100Z-111119T1900Z/ NORTH LARAMIE RANGE-FERRIS/SEMINOE/SHIRLEY MOUNTAINS- SHIRLEY BASIN-CENTRAL CARBON COUNTY-NORTH SNOWY RANGE FOOTHILLS- SOUTHWEST CARBON COUNTY-SIERRA MADRE RANGE- UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE- INCLUDING THE CITIES OF...MUDDY GAP...MEDICINE BOW...RAWLINS... SINCLAIR...HANNA...ARLINGTON...ELK MOUNTAIN...BAGGS...DIXON... SARATOGA...ENCAMPMENT...RIVERSIDE...CENTENNIAL...ALBANY... WOODS LANDING 315 AM MST FRI NOV 18 2011 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO NOON MST SATURDAY... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO NOON MST SATURDAY. * TIMING...SNOW WILL BEGIN FALL LATE THIS AFTERNOON AND THIS EVENING. AS THE NIGHT PROGRESSES...SNOW INTENSITIES WILL INCREASE. SNOW MAY BECOME HEAVY AT TIMES. SNOW WILL BEGIN TO TAPER OFF LATE TONIGHT THROUGH SATURDAY MORNING...ALTHOUGH LIGHT SNOW MAY CONTINUE INTO THE SIERRA MADRE AND SNOWY MOUNTAINS THROUGH SATURDAY AFTERNOON AND INTO SATURDAY NIGHT. * TOTAL SNOW ACCUMULATIONS...3 TO 6 INCHES OF SNOW IS EXPECTED ACROSS LOWER ELEVATIONS OF THE ADVISED AREA. 6 TO 10 INCHES OF SNOW IS EXPECTED ACROSS THE SIERRA MADRE...SNOWY...AND NORTHERN LARAMIE RANGES...WITH LOCALLY HIGHER AMOUNTS POSSIBLE ON WEST FACING SLOPES. * WINDS/VISIBILITIES...WESTERLY WINDS OF 15 TO 30 MPH WILL OCCUR OVER MUCH OF THE AREA TONIGHT. THIS WILL PRODUCE WIDESPREAD BLOWING AND DRIFTING SNOW IN OPEN AREAS. VISIBILITIES WILL BE REDUCED TO ONE HALF MILE OR LESS AT TIMES. * IMPACTS...ROADS WILL BECOME SNOW COVERED...AND VISIBILITIES WILL BE REDUCED...MAKING TRAVEL DIFFICULT ACROSS THE AREA. THOSE WITH TRAVEL PLANS SHOULD PREPARE FOR ADVERSE WINTER CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. && $$ LIEBL
4 follow-up statements
003 WWUS45 KCYS 181732 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 1032 AM MST FRI NOV 18 2011 ...A PACIFIC STORM SYSTEM WILL IMPACT THE REGION TONIGHT AND SATURDAY... .A STORM SYSTEM WILL MOVE ACROSS WYOMING TONIGHT. THIS QUICK MOVING STORM SYSTEM WILL PRODUCE SNOW ACROSS MUCH OF SOUTHEAST WYOMING TONIGHT AND INTO SATURDAY MORNING BEFORE MOVING OVER THE NORTHERN PLAINS. ACCUMULATING SNOW WILL BE MOST LIKELY IN SOUTH CENTRAL TO EAST CENTRAL WYOMING DURING THAT TIME. SNOW AMOUNTS WILL BE FROM 3 TO 8 INCHES OVER THE LOWER ELEVATIONS OF THOSE AREAS...WITH 6 TO 10 INCHES OVER THE MOUNTAINS. WINDS WILL BECOME GUSTY TONIGHT AND WILL PRODUCE AREAS OF BLOWING SNOW... SIGNIFICANTLY REDUCING VISIBILITIES AT TIMES. TRAVEL WILL BECOME DIFFICULT ACROSS MUCH OF THE AREA TONIGHT. WYZ101-102-190000- /O.CON.KCYS.WS.W.0016.111119T0100Z-111119T1900Z/ CONVERSE COUNTY LOWER ELEVATIONS-NIOBRARA COUNTY- INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...LUSK 1032 AM MST FRI NOV 18 2011 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO NOON MST SATURDAY... * TIMING...SNOW WILL BEGIN TO FALL LATE THIS AFTERNOON AND THIS EVENING. AS THE NIGHT PROGRESSES...SNOW INTENSITIES WILL INCREASE...WITH SNOW BECOMING HEAVY AT TIMES. SNOW RATES OF 1 TO 2 INCHES AN HOUR WILL BE POSSIBLE FRIDAY NIGHT. SNOW WILL START TO TAPER OFF SATURDAY MORNING. * TOTAL SNOW ACCUMULATIONS...4 TO 8 INCHES OF SNOW IS EXPECTED ACROSS THE WARNED AREA...WITH THE HIGHEST SNOW AMOUNTS EXPECTED ACROSS NORTHERN CONVERSE AND NORTHERN NIOBRARA COUNTIES. A SHARP DIFFERENCE IN SNOW AMOUNTS IS EXPECTED ACROSS NIOBRARA COUNTY...WITH ONLY A FEW INCHES OF ACCUMULATION LIKELY OVER FAR SOUTHERN PORTIONS OF THE COUNTY. * WIND AND VISIBILITIES...EAST TO NORTHEAST WINDS WILL INCREASE TO 15 TO 25 MPH TONIGHT...WITH GUSTS AS HIGH AS 35 MPH. WINDS ARE EXPECTED TO BE THE STRONGEST ACROSS NIOBRARA COUNTY...WITH LIGHTLY LESSER WINDS OVER CONVERSE COUNTY. * IMPACTS...ROADS WILL BECOME SNOW COVERED...AND VISIBILITIES WILL BE SIGNIFICANTLY REDUCED...MAKING TRAVEL VERY DIFFICULT IF NOT IMPOSSIBLE. THOSE WITH TRAVEL PLANS SHOULD PREPARE FOR ADVERSE WINTER CONDITIONS OR RECONSIDER TRAVELING ALTOGETHER. 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. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WWW.WYOROAD.INFO. && $$ WYZ103>105-109>114-190000- /O.CON.KCYS.WW.Y.0028.111119T0100Z-111119T1900Z/ NORTH LARAMIE RANGE-FERRIS/SEMINOE/SHIRLEY MOUNTAINS- SHIRLEY BASIN-CENTRAL CARBON COUNTY-NORTH SNOWY RANGE FOOTHILLS- SOUTHWEST CARBON COUNTY-SIERRA MADRE RANGE- UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE- INCLUDING THE CITIES OF...MUDDY GAP...MEDICINE BOW...RAWLINS... SINCLAIR...HANNA...ARLINGTON...ELK MOUNTAIN...BAGGS...DIXON... SARATOGA...ENCAMPMENT...RIVERSIDE...CENTENNIAL...ALBANY... WOODS LANDING 1032 AM MST FRI NOV 18 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO NOON MST SATURDAY... * TIMING...SNOW WILL BEGIN FALL LATE THIS AFTERNOON AND THIS EVENING. AS THE NIGHT PROGRESSES...SNOW INTENSITIES WILL INCREASE. SNOW MAY BECOME HEAVY AT TIMES. SNOW WILL BEGIN TO TAPER OFF LATE TONIGHT THROUGH SATURDAY MORNING...ALTHOUGH LIGHT SNOW MAY CONTINUE INTO THE SIERRA MADRE AND SNOWY MOUNTAINS THROUGH SATURDAY AFTERNOON AND INTO SATURDAY NIGHT. * TOTAL SNOW ACCUMULATIONS...3 TO 6 INCHES OF SNOW IS EXPECTED ACROSS LOWER ELEVATIONS OF THE ADVISED AREA. 6 TO 10 INCHES OF SNOW IS EXPECTED ACROSS THE SIERRA MADRE...SNOWY...AND NORTHERN LARAMIE RANGES...WITH LOCALLY HIGHER AMOUNTS POSSIBLE ON WEST FACING SLOPES. * WINDS/VISIBILITIES...WESTERLY WINDS OF 15 TO 30 MPH WILL OCCUR OVER MUCH OF THE AREA TONIGHT. THIS WILL PRODUCE WIDESPREAD BLOWING AND DRIFTING SNOW IN OPEN AREAS. VISIBILITIES WILL BE REDUCED TO ONE HALF MILE OR LESS AT TIMES. * IMPACTS...ROADS WILL BECOME SNOW COVERED...AND VISIBILITIES WILL BE REDUCED...MAKING TRAVEL DIFFICULT ACROSS THE AREA. THOSE WITH TRAVEL PLANS SHOULD PREPARE FOR ADVERSE WINTER CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. && $$ WEILAND
898 WWUS45 KCYS 182234 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 334 PM MST FRI NOV 18 2011 ...A PACIFIC STORM SYSTEM WILL IMPACT THE REGION TONIGHT AND SATURDAY... .A STORM SYSTEM WILL MOVE ACROSS WYOMING TONIGHT. THIS QUICK MOVING STORM SYSTEM WILL PRODUCE SNOW ACROSS MUCH OF SOUTHEAST WYOMING TONIGHT AND INTO SATURDAY MORNING BEFORE MOVING OVER THE NORTHERN PLAINS. ACCUMULATING SNOW WILL BE MOST LIKELY IN SOUTH CENTRAL TO EAST CENTRAL WYOMING DURING THAT TIME. SNOW AMOUNTS WILL BE FROM 4 TO 8 INCHES OVER THE LOWER ELEVATIONS OF THOSE AREAS...WITH 6 TO 11 INCHES OVER THE MOUNTAINS. WINDS WILL BECOME GUSTY TONIGHT AND WILL PRODUCE AREAS OF BLOWING SNOW... SIGNIFICANTLY REDUCING VISIBILITIES AT TIMES. TRAVEL WILL BECOME DIFFICULT ACROSS MUCH OF THE SOUTH CENTRAL TO EAST CENTRAL WYOMING LATER TONIGHT AND CONTINUE THROUGH MIDDAY SATURDAY. WYZ101-102-190700- /O.CON.KCYS.WS.W.0016.111119T0100Z-111119T1900Z/ CONVERSE COUNTY LOWER ELEVATIONS-NIOBRARA COUNTY- INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...LUSK 334 PM MST FRI NOV 18 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MST SATURDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MST SATURDAY. * TOTAL SNOW ACCUMULATIONS...4 TO 8 INCHES OF SNOW ARE EXPECTED ACROSS THE WARNED AREA...WITH THE HIGHEST SNOW AMOUNTS EXPECTED ACROSS NORTHERN CONVERSE AND NORTHERN NIOBRARA COUNTIES. * WIND AND VISIBILITIES...EAST TO NORTHEAST WINDS WILL INCREASE TO 15 TO 25 MPH TONIGHT...WITH GUSTS AS HIGH AS 35 MPH. * IMPACTS...ROADS WILL BECOME SNOW COVERED...AND VISIBILITIES WILL BE SIGNIFICANTLY REDUCED...MAKING TRAVEL VERY DIFFICULT IF NOT IMPOSSIBLE. THOSE WITH TRAVEL PLANS SHOULD PREPARE FOR ADVERSE WINTER CONDITIONS OR RECONSIDER TRAVELING ALTOGETHER. 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. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WWW.WYOROAD.INFO. && $$ WYZ103>105-109>114-190700- /O.CON.KCYS.WW.Y.0028.111119T0100Z-111119T1900Z/ NORTH LARAMIE RANGE-FERRIS/SEMINOE/SHIRLEY MOUNTAINS- SHIRLEY BASIN-CENTRAL CARBON COUNTY-NORTH SNOWY RANGE FOOTHILLS- SOUTHWEST CARBON COUNTY-SIERRA MADRE RANGE- UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE- INCLUDING THE CITIES OF...MUDDY GAP...MEDICINE BOW...RAWLINS... SINCLAIR...HANNA...ARLINGTON...ELK MOUNTAIN...BAGGS...DIXON... SARATOGA...ENCAMPMENT...RIVERSIDE...CENTENNIAL...ALBANY... WOODS LANDING 334 PM MST FRI NOV 18 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST SATURDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST SATURDAY. * TOTAL SNOW ACCUMULATIONS...4 TO 6 INCHES OF SNOW IS EXPECTED ACROSS LOWER ELEVATIONS OF THE ADVISED AREA...WITH 6 TO 11 INCHES OF NEW SNOW OVER THE SIERRA MADRE...SNOWY...AND NORTHERN LARAMIE RANGES. LOCALLY HIGHER AMOUNTS ARE POSSIBLE ON WEST FACING SLOPES. * WINDS/VISIBILITIES...WESTERLY WINDS OF 20 TO 30 MPH WILL OCCUR OVER MUCH OF THE AREA TONIGHT WITH GUSTS UP TO 40 MPH. THIS WILL PRODUCE WIDESPREAD BLOWING AND DRIFTING SNOW IN OPEN AREAS. VISIBILITIES WILL BE REDUCED TO ONE HALF MILE OR LESS AT TIMES. * IMPACTS...ROADS WILL BECOME SNOW COVERED...AND VISIBILITIES WILL BE REDUCED...MAKING TRAVEL DIFFICULT ACROSS THE AREA. THOSE WITH TRAVEL PLANS SHOULD PREPARE FOR ADVERSE WINTER CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. && $$ WEILAND
996 WWUS45 KCYS 190330 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 830 PM MST FRI NOV 18 2011 ...A PACIFIC STORM SYSTEM WILL IMPACT THE REGION TONIGHT AND SATURDAY... .A STORM SYSTEM WILL MOVE ACROSS WYOMING TONIGHT. THIS QUICK MOVING STORM SYSTEM WILL PRODUCE SNOW ACROSS MUCH OF SOUTHEAST WYOMING TONIGHT AND INTO SATURDAY MORNING BEFORE MOVING OVER THE NORTHERN PLAINS. ACCUMULATING SNOW WILL BE MOST LIKELY IN SOUTH CENTRAL TO EAST CENTRAL WYOMING. SNOW AMOUNTS WILL BE FROM 4 TO 8 INCHES OVER THE LOWER ELEVATIONS OF THOSE AREAS...WITH 6 TO 11 INCHES OVER THE MOUNTAINS. WINDS WILL BECOME GUSTY TONIGHT AND WILL PRODUCE AREAS OF BLOWING SNOW...SIGNIFICANTLY REDUCING VISIBILITIES AT TIMES. TRAVEL WILL BECOME DIFFICULT ACROSS MUCH OF THE SOUTH CENTRAL TO EAST CENTRAL WYOMING LATE TONIGHT AND CONTINUE THROUGH MIDDAY SATURDAY. WYZ101-102-191400- /O.CON.KCYS.WS.W.0016.000000T0000Z-111119T1900Z/ CONVERSE COUNTY LOWER ELEVATIONS-NIOBRARA COUNTY- INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...LUSK 830 PM MST FRI NOV 18 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MST SATURDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MST SATURDAY. * TOTAL SNOW ACCUMULATIONS...4 TO 8 INCHES OF SNOW...WITH THE HIGHEST SNOW AMOUNTS ACROSS NORTHERN CONVERSE AND NORTHERN NIOBRARA COUNTIES. * WIND AND VISIBILITIES...EAST TO NORTHEAST WINDS WILL INCREASE TO 15 TO 25 MPH TONIGHT...WITH GUSTS AS HIGH AS 35 MPH. * IMPACTS...ROADS WILL BECOME SNOW COVERED...AND VISIBILITIES WILL BE SIGNIFICANTLY REDUCED...MAKING TRAVEL VERY DIFFICULT IF NOT IMPOSSIBLE. THOSE WITH TRAVEL PLANS SHOULD PREPARE FOR ADVERSE WINTER CONDITIONS OR RECONSIDER TRAVELING ALTOGETHER. 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. THE LATEST ROAD CONDITIONS PROVIDED BY THE WYOMING DEPARTMENT OF TRANSPORTATION ARE AVAILABLE BY CALLING 5-1-1 OR ON THE INTERNET AT WWW.WYOROAD.INFO. && $$ WYZ103>105-109>114-191400- /O.CON.KCYS.WW.Y.0028.000000T0000Z-111119T1900Z/ NORTH LARAMIE RANGE-FERRIS/SEMINOE/SHIRLEY MOUNTAINS- SHIRLEY BASIN-CENTRAL CARBON COUNTY-NORTH SNOWY RANGE FOOTHILLS- SOUTHWEST CARBON COUNTY-SIERRA MADRE RANGE- UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE- INCLUDING THE CITIES OF...MUDDY GAP...MEDICINE BOW...RAWLINS... SINCLAIR...HANNA...ARLINGTON...ELK MOUNTAIN...BAGGS...DIXON... SARATOGA...ENCAMPMENT...RIVERSIDE...CENTENNIAL...ALBANY... WOODS LANDING 830 PM MST FRI NOV 18 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST SATURDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST SATURDAY. * TOTAL SNOW ACCUMULATIONS...3 TO 6 INCHES OF SNOW ACROSS LOWER ELEVATIONS...WITH 6 TO 11 INCHES OF NEW SNOW OVER THE SIERRA MADRE...SNOWY...AND NORTHERN LARAMIE RANGES. LOCALLY HIGHER AMOUNTS ARE POSSIBLE ON WEST FACING SLOPES. * WINDS/VISIBILITIES...WEST WINDS OF 20 TO 30 MPH WILL OCCUR OVER MUCH OF THE AREA TONIGHT WITH GUSTS UP TO 40 MPH. THIS WILL PRODUCE WIDESPREAD BLOWING AND DRIFTING SNOW IN OPEN AREAS. VISIBILITIES WILL BE REDUCED TO ONE HALF MILE OR LESS AT TIMES. * IMPACTS...ROADS WILL BECOME SNOW COVERED...AND VISIBILITIES WILL BE REDUCED...MAKING TRAVEL DIFFICULT ACROSS THE AREA. THOSE WITH TRAVEL PLANS SHOULD PREPARE FOR ADVERSE WINTER CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. && $$ HAHN
175 WWUS45 KCYS 191059 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 359 AM MST SAT NOV 19 2011 ...WINTER STORM QUICKLY EXITING THE AREA EARLY THIS MORNING... .A WINTER STORM WHICH BROUGHT SNOW TO MUCH OF SOUTHEAST WYOMING OVERNIGHT IS RAPIDLY MOVING INTO THE NORTHERN PLAINS EARLY THIS MORNING. LIGHT SNOW WILL CONTINUE TO FALL OVER PORTION OF SOUTHEAST WYOMING THIS MORNING...BUT ADDITIONAL SNOW ACCUMULATIONS WILL BE MINIMAL. WYZ101-102-191200- /O.CAN.KCYS.WS.W.0016.000000T0000Z-111119T1900Z/ CONVERSE COUNTY LOWER ELEVATIONS-NIOBRARA COUNTY- INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...LUSK 359 AM MST SAT NOV 19 2011 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS CANCELLED THE WINTER STORM WARNING. SNOW CONTINUES TO TAPER OFF EARLY THIS MORNING AS A STORM EXITS THAT AREA AND MOVES INTO THE NORTHERN PLAINS. LIGHT SNOW WILL CONTINUE TO FALL ACROSS PORTIONS OF THE AREA THIS MORNING...BUT ADDITIONAL SNOW ACCUMULATIONS WILL BE MINIMAL. SNOW WILL END ACROSS THE AREA BY LATE THIS MORNING. $$ WYZ103>105-109>114-191200- /O.CAN.KCYS.WW.Y.0028.000000T0000Z-111119T1900Z/ NORTH LARAMIE RANGE-FERRIS/SEMINOE/SHIRLEY MOUNTAINS- SHIRLEY BASIN-CENTRAL CARBON COUNTY-NORTH SNOWY RANGE FOOTHILLS- SOUTHWEST CARBON COUNTY-SIERRA MADRE RANGE- UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE- INCLUDING THE CITIES OF...MUDDY GAP...MEDICINE BOW...RAWLINS... SINCLAIR...HANNA...ARLINGTON...ELK MOUNTAIN...BAGGS...DIXON... SARATOGA...ENCAMPMENT...RIVERSIDE...CENTENNIAL...ALBANY... WOODS LANDING 359 AM MST SAT NOV 19 2011 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS CANCELLED THE WINTER WEATHER ADVISORY. SNOW CONTINUES TO TAPER OFF EARLY THIS MORNING AS A STORM SYSTEM EXITS THE AREA AND MOVES INTO THE NORTHERN PLAINS. LIGHT SNOW WILL CONTINUE TO FALL ACROSS PORTIONS OF THE AREA THIS MORNING...BUT ADDITIONAL SNOW ACCUMULATIONS WILL BE MINIMAL...ALTHOUGH A FEW ADDITIONAL INCHES OF SNOW WILL BE POSSIBLE INTO THE SIERRA MADRE AND SNOWY MOUNTAINS. SNOW WILL END ACROSS THE AREA BY LATE THIS MORNING...WITH THE EXCEPTION OF THE MOUNTAINS...WHERE LIGHT SNOW MAY LINGER THROUGH SATURDAY NIGHT. $$
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 Cheyenne, WY wrote its last area forecast discussion before this winter storm warning went out at Nov 17, 10:44 PM MST, 4 hours 31 minutes earlier.
Area forecast discussion, Nov 17, 10:44 PM MST, 4 hours 31 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE CHEYENNE WY 1044 PM MST THU NOV 17 2011 .AVIATION...06Z TAF ISSUANCE... VFR CONDITIONS CAN BE EXPECTED ACROSS THE MAJORITY OF THE TERMINALS THROUGH THE FORECAST PERIOD. THE ONE EXCEPTION IS AT KRWL...WHERE MVFR CIGS/VSBYS IN -SN WILL PUSH BY LATE FRIDAY AFTERNOON OR EARLY FRIDAY EVENING. OTHERWISE CLOUD-LEVELS WILL SLOWLY DESCEND FROM WEST TO EAST THROUGH THE DAY TOMORROW. BREEZY TO LOCALLY WINDY CONDITIONS WILL DEVELOP AGAIN ON FRIDAY AT THE SE WYOMING AIRFIELDS WHERE GUSTS TO NEAR 40 KNOTS WILL BE POSSIBLE. WINDS WILL BE MUCH LIGHTER AT WRN NEBRASKA AIRPORTS. BEYOND THE TAF PERIOD...ACCUMULATING SNOW CAN BE EXPECTED AT KRWL...KLAR AND KCDR ON SATURDAY. HAHN && .PREV DISCUSSION... /ISSUED 558 PM MST THU NOV 17 2011/ UPDATE... WINDS HAVE DECREASED BELOW CRITICAL THRESHOLDS ACROSS LOWER ELEVATIONS OF CONVERSE...CARBON AND ALBANY COUNTIES EARLY THIS EVENING. THEREFORE WILL LET THIS PORTION OF THE HIGH WIND WARNING EXPIRE ON SCHEDULE AT 6 PM. WEST/SOUTWEST WINDS OF 25 TO 35 MPH WITH GUSTS TO 50 MPH WILL STILL BE POSSIBLE FOR THESE AREAS UNTIL 9 PM. OTHERWISE STILL THINK THAT THE POTENTIAL FOR HIGH WINDS EXIST IN WIND PRONE AREAS OF ARLINGTON...BORDEAUX AND THE SOUTHERN LARAMIE RANGE THROUGH THE OVERNIGHT HOURS...SO WILL KEEP THE WARNING GOING THERE. PREV DISCUSSION... /ISSUED 226 PM MST THU NOV 17 2011/ SHORT TERM...TONIGHT THROUGH SATURDAY... STRONG WINDS WILL CONTINUE OVER ESPECIALLY THE WYOMING PART OF THE CWA THROUGH THE EARLY EVENING. THE SURFACE PRESSURE GRADIENT WILL THEN RELAX AND ALLOW FOR WINDS TO DECREASE OVER MUCH OF THE CWA THIS EVENING. HOWEVER...THE WIND SPEEDS AT 700 MB AND THE LOW LEVEL HEIGHT DIFFERENCE ACROSS THE WEST PART OF THE CWA SHOULD SUPPORT THE STRONG WINDS PERSISTING OVER THE PLACES SUCH AS KARL...KBRX AND THE SOUTHERN LARAMIE RANGE. WILL CONTINUE THE WIND HIGHLIGHTS FOR THE AFTERNOON FORECAST. THE MILD TEMPERATURES WILL CONTINUE THROUGH FRIDAY ALONG WITH WINDY CONDITIONS ALONG AND WEST OF THE LARAMIE RANGE. ATTENTION THEN TURNS TO THE UPCOMING SNOW EVENT FOR FRIDAY NIGHT AND SATURDAY. THE STORM SYSTEM CURRENTLY NEAR THE WEST COAST WILL MOVE EAST AND SLOWLY FILL AS IT MOVES RAPIDLY ACROSS AND EAST OF THE ROCKIES ON SATURDAY. RESULTING SURFACE CYCLOGENESIS BEGINS LATE TONIGHT OVER CENTRAL WYOMING WITH THE SURFACE LOW THEN MOVING INTO EASTERN COLORADO LATE FRIDAY NIGHT AND SATURDAY MORNING. THE 300 MB JET WILL RIDE OVER THE SURFACE UPSLOPE...WITH MODELS CONTINUING TO SHOW THE BEST JET DYNAMICS OVER THE WEST AND NORTH PARTS OF THE CWA. THOSE AREAS WILL PERHAPS SEE A LONGER PERIOD OF SNOW IN THIS FAIRLY BRIEF EVENT. HPC SNOW AMOUNTS AND THOSE FROM THE PREVIOUS FORECAST LOOK REASONABLE AT THIS TIME AND WILL ADJUST SLIGHTLY. THOSE VALUES WOULD BE ENOUGH FOG A SNOW ADVISORY IN MOST AREAS OVER THE WEST AND NORTH PARTS OF THE CWA. WITH THE CURRENT WIND HIGHLIGHTS IN PLACE...WILL HOLD OFF ON THE ISSUANCE OF ANY WATCH OR ADVISORY FOR THOSE AREAS. THE SURFACE FORCING WEAKENS SATURDAY AFTERNOON AND THE SHORTWAVE TROUGH MOVES EAST OF THE CWA. THE RESULT WILL BE A DECREASE IN THE SNOW RATES IN THE AFTERNOON HOURS. TEMPERATURES WILL ALSO BE MUCH COOLER ON SATURDAY OVER THE CWA. LONG TERM...SATURDAY NIGHT THROUGH THURSDAY...VERY LITTLE CHANGE TO PREVIOUS FORECAST WITH RELATIVELY QUIET WEATHER EXPECTED IN THE LONG TERM. MODELS SHOW FRIDAY NIGHT/SATURDAYS STORM SYSTEM QUICKLY PUSHING EASTWARD INTO THE NORTHERN PLAINS AND GREAT LAKES REGION DURING SATURDAY NIGHT. WITH CLEARING SKIES...AREAS WITH A SOLID SNOW PACK WILL BE VERY COLD BY SUNDAY MORNING DUE TO GOOD RADIATIONAL COOLING. EXPECT LOCATIONS ALONG THE NORTH PLATTE RIVER VALLEY TO LOWER INTO THE SINGLE DIGITS WITH SOME AREAS LIKELY BELOW ZERO FOR LOW TEMPERATURES. HOWEVER...ANY MID TO HIGH CLOUDINESS PUSHING NORTHWARD AHEAD OF A WEAK DISTURBANCE WEST OF THE AREA MAY KEEP TEMPERATURES FROM FALLING TOO LOW THAT NIGHT. MEAN FLOW ALOFT TRANSITIONS TO SPLIT FLOW FOR SUNDAY THROUGH TUESDAY...WITH THE NORTHERN BRANCH OF THE JET REMAINING WELL NORTH OF WYOMING AND A STORM SYSTEM ASSOCIATED WITH THE SOUTHERN BRANCH DIGGING SOUTH INTO SOUTHERN CALIF AND ARIZONA BY MONDAY. ALL MODELS SHOW THIS STORM REMAINING WELL SOUTH OF WYOMING THROUGH TUESDAY...WITH ONLY LIGHT FLURRIES NEAR THE COLORADO BORDER AND PERIODS OF MOUNTAIN SNOWFALL. DO NOT EXPECT MUCH IMPACT FROM EITHER THE UPPER LEVEL DISTURBANCE ON SUNDAY OR THE PACIFIC STORM SOUTH OF THE AREA EARLY NEXT WEEK. BY THE MIDDLE OF NEXT WEEK...ALL MODELS INDICATE THAT A BROAD UPPER LEVEL RIDGE WILL BUILD OVER THE ROCKY MOUNTAINS AND PUSH EASTWARD RELATIVELY QUICK INTO LATE NEXT WEEK. TEMPERATURES WILL SLOWLY WARM TO NEAR NORMAL FOR THIS TIME OF THE YEAR BY EARLY NEXT WEEK WITH HIGHS IN THE 40S TO LOW 50S FOR MOST OF THE FORECAST AREA...AND THEN ABOVE NORMAL FOR WEDNESDAY. THE ONLY MINOR CONCERN DURING THIS PERIOD OF TIME IS HIGH WINDS FOR THE WIND PRONE LOCATIONS IN WYOMING AS THE LLVL PRESSURE GRADIENT INCREASES WEDNESDAY AND THURSDAY MORNING. && .FIRE WEATHER...MILD AND DRY CONDITIONS WILL REMAIN OVER THE CWA THROUGH SUNSET AND THEN AGAIN ON FRIDAY. IN ADDITION...WESTERLY SURFACE WINDS WILL GUST AS HIGH AS 60 MPH IN SOME AREAS ALONG AND WEST OF THE LARAMIE RANGE THROUGH TONIGHT AND TO 50 MPH ON FRIDAY. MINIMUM RELATIVE HUMIDITY VALUES WILL BE BETWEEN 20 AND 30 PERCENT OVER THE LOWER ELEVATIONS THROUGH SUNSET AND THEN AGAIN ON FRIDAY. A STORM SYSTEM WILL BRING COOLER TEMPERATURES TO THE CWA OVER THE WEEKEND ALONG WITH SNOW FOR FRIDAY NIGHT AND SATURDAY. THE AREAS THAT WILL RECEIVE THE LARGER AMOUNTS OF THE SNOW WILL BE THE WEST AND NORTH PARTS OF THE CWA. WARMER AND DRY WEATHER WILL RETURN TO THE REGION FOR MOST OF NEXT WEEK. && .CYS WATCHES/WARNINGS/ADVISORIES... WY...HIGH WIND WARNING UNTIL 6 AM FRIDAY FOR WYZ106-WYZ110-WYZ116. NE...NONE. && UPDATE/AVIATION...HAHN SHORT TERM/FIRE WEATHER...WEILAND LONG TERM...TJT
Hazardous weather outlook, Nov 17, 9:38 PM MST, 5 hours 37 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE CHEYENNE WY 938 PM MST THU NOV 17 2011 WYZ101>119-190445- CONVERSE COUNTY LOWER ELEVATIONS-NIOBRARA COUNTY- NORTH LARAMIE RANGE-FERRIS/SEMINOE/SHIRLEY MOUNTAINS- SHIRLEY BASIN-CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- EAST PLATTE COUNTY-GOSHEN COUNTY-CENTRAL CARBON COUNTY- NORTH SNOWY RANGE FOOTHILLS-SOUTHWEST CARBON COUNTY- SIERRA MADRE RANGE-UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE- LARAMIE VALLEY-SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS- CENTRAL LARAMIE COUNTY-EAST LARAMIE COUNTY- 938 PM MST THU NOV 17 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL WYOMING... SOUTH CENTRAL WYOMING AND SOUTHEAST WYOMING. .DAY ONE...TONIGHT STRONG WEST WINDS WILL OCCUR ACROSS WIND PRONE AREAS OF SOUTHEAST WYOMING TONIGHT...A HIGH WIND WARNING IS IN EFFECT. SUSTAINED WINDS OF 35 TO 45 MPH AND GUSTS OF 55 TO 65 MPH CAN BE EXPECTED IN THE WARNED AREA. WINDS WILL SLOWLY DECREASE LATER TONIGHT AND TOMORROW. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY A PACIFIC STORM SYSTEM WILL MOVE ACROSS THE NORTHERN AND CENTRAL ROCKIES FRIDAY NIGHT AND EARLY SATURDAY. THIS SYSTEM WILL LIKELY PRODUCE SNOW ACROSS MUCH OF SOUTHEAST WYOMING. THE BULK OF THE SNOW IS EXPECTED TO OCCUR NORTH OF A LINE FROM TORRINGTON TO WHEATLAND...AND FROM THE LARAMIE MOUNTAINS WESTWARD. 3 TO 6 INCHES OF SNOW ACCUMULATION IS POSSIBLE IN LOWER ELEVATIONS...WHILE 5 TO 10 INCHES IS POSSIBLE INTO THE SNOWY AND SIERRA MADRE MOUNTAINS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TONIGHT. && THIS PRODUCT...ALONG WITH OTHER WEATHER...HYDROLOGIC...AND CLIMATE INFORMATION IS AVAILABLE ON THE WEB AT... HTTP://WEATHER.GOV/CHEYENNE NEZ002-003-019>021-054-055-095-096-190445- DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE- NORTH SIOUX-SOUTH SIOUX- 938 PM MST THU NOV 17 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE WESTERN NEBRASKA PANHANDLE. .DAY ONE...TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY A PACIFIC STORM SYSTEM WILL MOVE ACROSS THE AREA LATE FRIDAY NIGHT AND EARLY SATURDAY. 2 TO 4 INCHES OF SNOW WILL BE POSSIBLE ACROSS FAR NORTHERN PORTIONS OF THE NEBRASKA PANHANDLE...WHILE LITTLE TO NO SNOW IS EXPECTED IN THE FAR SOUTHERN NEBRASKA PANHANDLE. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TONIGHT. && THIS PRODUCT...ALONG WITH OTHER WEATHER...HYDROLOGIC...AND CLIMATE INFORMATION IS AVAILABLE ON THE WEB AT... HTTP://WEATHER.GOV/CHEYENNE
In the hours before
Special weather statement, Nov 17, 11:13 PM MST, 4 hours 2 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 1113 PM MST THU NOV 17 2011 NEZ002-095-WYZ101>107-109>117-181200- DAWES-NORTH SIOUX-CONVERSE COUNTY LOWER ELEVATIONS- NIOBRARA COUNTY-NORTH LARAMIE RANGE- FERRIS/SEMINOE/SHIRLEY MOUNTAINS-SHIRLEY BASIN- CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- EAST PLATTE COUNTY-CENTRAL CARBON COUNTY- NORTH SNOWY RANGE FOOTHILLS-SOUTHWEST CARBON COUNTY- SIERRA MADRE RANGE-UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE- LARAMIE VALLEY-SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS- INCLUDING THE CITIES OF...CHADRON...HARRISON...DOUGLAS... GLENROCK...LUSK...MUDDY GAP...MEDICINE BOW...BORDEAUX...GLENDO... WHEATLAND...CHUGWATER...GUERNSEY...RAWLINS...SINCLAIR...HANNA... ARLINGTON...ELK MOUNTAIN...BAGGS...DIXON...SARATOGA... ENCAMPMENT...RIVERSIDE...CENTENNIAL...ALBANY...WOODS LANDING... LARAMIE...VEDAUWOO...BUFORD...PUMPKIN VINE...HORSE CREEK... HARRIMAN...WHITAKER 1113 PM MST THU NOV 17 2011 ...SNOW AND COLDER TEMPERATURES WILL RETURN TO THE AREA FRIDAY NIGHT AND SATURDAY... A STORM SYSTEM WILL MOVE ACROSS THE CENTRAL ROCKIES FRIDAY NIGHT AND SATURDAY. THE STORM WILL PRODUCE ACCUMULATING SNOW OVER MUCH OF SOUTHEAST WYOMING AND THE NORTHERN NEBRASKA PANHANDLE DURING THAT TIME. BY LATE SATURDAY AFTERNOON 3 TO 6 INCHES OF SNOW CAN BE EXPECTED OVER THE LOWER ELEVATIONS OF CARBON...ALBANY...CONVERSE AND NIOBRARA COUNTIES IN WYOMING AND SIOUX AND DAWES COUNTIES IN NEBRASKA. THE MOUNTAINS WILL RECEIVE BETWEEN 6 AND 12 INCHES OF SNOW. ALONG WITH THE SNOW WILL BE WINDS GUSTING AS HIGH AS 30 MPH IN SOME AREAS WHICH WILL PRODUCE COLD WIND CHILL TEMPERATURES AND AREAS OF BLOWING AND DRIFTING SNOW. THE SNOW WILL TAPER OFF AND END OVER SOUTHEAST WYOMING AND THE NEBRASKA PANHANDLE SATURDAY AFTERNOON AND EVENING. THE UPCOMING SNOW EVENT WILL MAKE CONDITIONS DIFFICULT FOR TRAVEL AND OUTDOOR ACTIVITIES FRIDAY NIGHT AND SATURDAY. IF YOU ARE PLANNING TRAVEL...MONITOR THE LATEST FORECASTS AND WEATHER AND ROAD CONDITIONS. WEILAND
Local storm report, Nov 18, 2:35 AM MST, 40 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
235 AM MST FRI NOV 18 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0220 AM HIGH SUST WINDS BORDEAUX 41.95N 104.95W
11/18/2011 M43 MPH PLATTE WY DEPT OF HIGHWAYS
GUSTS TO 54 MPH
&&
GCLAYCOMThe office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 18, 3:15 AM MST | Winter Weather Advisory | CYS | Albany, Carbon, Converse, Platte | 25 hr |
| Nov 18, 3:23 PM MST | High Wind Watch | CYS | Albany, Laramie | 4 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.