Alert archive / Wyoming / Winter Storm Warnings in 2015
Winter Storm Warning 3, NWS Cheyenne, WY
NWS Cheyenne, WY issued this winter storm warning at Feb 14, 2015, 1:51 PM MST for 4 counties in Wyoming. It took effect at Feb 15, 2015, 11:00 AM MST. It was in force for 15 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Feb 14, 2015, 1:51 PM MST (20:51 UTC)
- In effect from
- Feb 15, 2015, 11:00 AM MST
- Expired
- Feb 16, 2015, 2:21 AM MST
- In force
- 15 hr
- Issued by
- NWS Cheyenne, WY
Counties Albany County, WY, Carbon County, WY, Converse County, WY, Platte County, WY
The radar
The Cheyenne radar (KCYS), 134 km from the middle of the area, began a volume at 20:52 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.
The nearest sounding before it
Riverton, WY (KRIW), launched 12:00Z, 8.9 hours before the alert went out and 239 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
- 2928 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 59 m²/s²
- 0-3 km storm-relative helicity
- 101 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
033 WWUS45 KCYS 142051 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 151 PM MST SAT FEB 14 2015 ...WINTER STORM WARNINGS FOR THE NORTH LARAMIE RANGE AND SNOWY RANGE SUNDAY THROUGH MONDAY... ...WINTER WEATHER ADVISORIES FOR THE CENTRAL AND SOUTHERN LARAMIE RANGE AS WELL AS THE SIERRA MADRE RANGE SUNDAY THROUGH MONDAY... .A COLD FRONT WILL MOVE INTO SOUTHEAST WYOMING AND STALL NEAR THE LARAMIE RANGE BY LATE MORNING THROUGH THE AFTERNOON HOURS SUNDAY. WIDESPREAD SNOW IS EXPECTED TO DEVELOP ACROSS THE LARAMIE RANGE AND EVENTUALLY INTO THE SNOWY AND SIERRA MADRE RANGES AS THE AFTERNOON PROGRESSES. SNOW IS EXPECTED TO BECOME MODERATE TO HEAVY AT TIME LATE SUNDAY AFTERNOON INTO THE OVERNIGHT HOURS AND WILL CONTINUE THROUGH EARLY AFTERNOON MONDAY. WYZ103-151200- /O.UPG.KCYS.WS.A.0002.150215T1200Z-150216T1800Z/ /O.NEW.KCYS.WS.W.0003.150215T1800Z-150216T1800Z/ NORTH LARAMIE RANGE- 151 PM MST SAT FEB 14 2015 ...WINTER STORM WARNING IN EFFECT FROM 11 AM SUNDAY TO 11 AM MST MONDAY... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 11 AM SUNDAY TO 11 AM MST MONDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...LIGHT SNOW MAY DEVELOP AS EARLY AS SUNDAY MORNING BUT THE MAIN SNOW ACCUMULATIONS WILL LIKELY OCCUR SUNDAY NIGHT THROUGH MONDAY MORNING. * TOTAL SNOW ACCUMULATIONS...10 TO 15 INCHES WITH HIGHER ACCUMULATIONS LIKELY ON NORTH AND NORTHWEST FACING SLOPES. * WINDS/VISIBILITY...NORTH TO NORTHWEST WINDS OF 15 TO 25 MPH COULD CREATE AREAS OF BLOWING SNOW IN OPEN AREAS. * IMPACTS...TRAVEL WILL BECOME HAZARDOUS. REDUCED VISIBILITIES TO NEAR ZERO AT TIMES IN HEAVY SNOW AND BLOWING SNOW. 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. && $$ WYZ114-151200- /O.UPG.KCYS.WS.A.0002.150215T1800Z-150216T1800Z/ /O.NEW.KCYS.WS.W.0003.150215T2100Z-150216T2100Z/ SNOWY RANGE- INCLUDING THE CITIES OF...CENTENNIAL...ALBANY...WOODS LANDING 151 PM MST SAT FEB 14 2015 ...WINTER STORM WARNING IN EFFECT FROM 2 PM SUNDAY TO 2 PM MST MONDAY... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 2 PM SUNDAY TO 2 PM MST MONDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...2 PM SUNDAY THROUGH 2 PM MONDAY * TOTAL SNOW ACCUMULATIONS...12 TO 15 INCHES...WITH HIGHER AMOUNTS LIKELY ON NORTH FACING SLOPES. * WINDS/VISIBILITY...NORTH TO NORTHWEST 25 TO 35 MPH WITH LOCALLY HIGHER GUSTS CREATING LOW VISIBILITIES IS POSSIBLE. * IMPACTS...MOSTLY TO TRAVEL DUE TO CONSIDERABLE FALLING AND BLOWING AND DRIFTING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ106-116-117-151200- /O.UPG.KCYS.WS.A.0002.150215T1200Z-150216T1800Z/ /O.NEW.KCYS.WW.Y.0004.150215T2100Z-150216T2100Z/ CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS- INCLUDING THE CITIES OF...BORDEAUX...VEDAUWOO...BUFORD... PUMPKIN VINE...HORSE CREEK...HARRIMAN...WHITAKER 151 PM MST SAT FEB 14 2015 ...WINTER WEATHER ADVISORY IN EFFECT FROM 2 PM SUNDAY TO 2 PM MST MONDAY... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WINTER WEATHER ADVISORY FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 2 PM SUNDAY TO 2 PM MST MONDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...LIGHT SNOW MAY DEVELOP AS EARLY AS SUNDAY MORNING BUT THE MAIN SNOW ACCUMULATIONS WILL LIKELY OCCUR SUNDAY NIGHT THROUGH MONDAY MORNING. * TOTAL SNOW ACCUMULATIONS...6 TO 12 INCHES FOR THE LARAMIE RANGE WITH 4 TO 7 INCHES ON EAST FACING SLOPES ACROSS THE CENTRAL AND SOUTH LARAMIE RANGE FOOTHILLS. * WINDS/VISIBILITY...NORTH TO NORTHEAST WINDS OF 15 TO 25 MPH BEHIND THE FRONT SUNDAY MORNING COULD CREATE AREAS OF BLOWING SNOW IN OPEN AREAS. * IMPACTS...TRAVEL COULD BECOME HAZARDOUS...ESPECIALLY ON INTERSTATE 80 ACROSS THE SOUTH LARAMIE RANGE SUNDAY MORNING AND ESPECIALLY SUNDAY NIGHT INTO MONDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS. && $$ WYZ112-151200- /O.NEW.KCYS.WW.Y.0004.150215T2100Z-150216T2100Z/ SIERRA MADRE RANGE- 151 PM MST SAT FEB 14 2015 ...WINTER WEATHER ADVISORY IN EFFECT FROM 2 PM SUNDAY TO 2 PM MST MONDAY... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WINTER WEATHER ADVISORY FOR MODERATE SNOW...WHICH IS IN EFFECT FROM 2 PM SUNDAY TO 2 PM MST MONDAY. * TIMING...2 PM SUNDAY THROUGH 2 PM MONDAY * TOTAL SNOW ACCUMULATIONS...6 TO 10 INCHES WITH LOCALLY HIGHER AMOUNTS ON NORTH FACING SLOPES POSSIBLE. * WINDS/VISIBILITY...NORTH TO NORTHWEST WINDS OF 15 TO 25 MPH COULD CREATE AREAS OF BLOWING SNOW REDUCING VISIBILITIES TO A HALF MILE AT TIMES. * IMPACTS...MOSTLY TO TRAVEL DUE TO CONSIDERABLE FALLING AND BLOWING AND DRIFTING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS. && $$
5 follow-up statements
855 WWUS45 KCYS 150403 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 903 PM MST SAT FEB 14 2015 ...WINTER STORM WARNINGS NORTH LARAMIE RANGE AND SNOWY RANGE SUNDAY THROUGH MONDAY... ...WINTER WEATHER ADVISORIES CENTRAL AND SOUTHERN LARAMIE RANGE... SIERRA MADRE RANGE...AND SURROUNDING VALLEYS SUNDAY THROUGH MONDAY... .A COLD FRONT WILL MOVE INTO SOUTHEAST WYOMING AND STALL NEAR THE LARAMIE RANGE LATE SUNDAY MORNING. WIDESPREAD SNOW WILL DEVELOP ACROSS THE LARAMIE RANGE AND EVENTUALLY INTO THE SNOWY AND SIERRA MADRE RANGES SUNDAY AFTERNOON. THE SNOW IS EXPECTED TO BECOME MODERATE TO HEAVY AT TIMES LATE SUNDAY AFTERNOON THROUGH THE OVERNIGHT HOURS AND WILL CONTINUE THROUGH EARLY MONDAY AFTERNOON. WYZ103-151215- /O.CON.KCYS.WS.W.0003.150215T1800Z-150216T1800Z/ NORTH LARAMIE RANGE- 903 PM MST SAT FEB 14 2015 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM SUNDAY TO 11 AM MST MONDAY... * TIMING...LIGHT SNOW WILL DEVELOP SUNDAY MORNING BUT THE MAIN SNOW ACCUMULATIONS WILL LIKELY OCCUR SUNDAY NIGHT THROUGH MONDAY MORNING. * TOTAL SNOW ACCUMULATIONS...10 TO 15 INCHES WITH HIGHER AMOUNTS LIKELY ALONG NORTH AND NORTHWEST FACING SLOPES. * WINDS/VISIBILITY...NORTH TO NORTHWEST WINDS 20 TO 30 MPH COULD CREATE AREAS OF BLOWING SNOW IN OPEN AREAS. * IMPACTS...TRAVEL WILL BECOME HAZARDOUS DUE TO REDUCED VISIBILITIES TO NEAR ZERO AT TIMES IN HEAVY SNOW AND BLOWING SNOW. 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. && $$ WYZ114-151215- /O.CON.KCYS.WS.W.0003.150215T2100Z-150216T2100Z/ SNOWY RANGE- INCLUDING THE CITIES OF...CENTENNIAL...ALBANY...WOODS LANDING 903 PM MST SAT FEB 14 2015 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 2 PM SUNDAY TO 2 PM MST MONDAY... * TIMING...SUNDAY AFTERNOON THROUGH EARLY MONDAY AFTERNOON. * TOTAL SNOW ACCUMULATIONS...12 TO 15 INCHES...WITH HIGHER AMOUNTS LIKELY ALONG NORTH FACING SLOPES. * WINDS/VISIBILITY...NORTH TO NORTHWEST 25 TO 35 MPH WITH LOCALLY HIGHER GUSTS CREATING LOW VISIBILITIES. * IMPACTS...MOSTLY TO TRAVEL DUE TO CONSIDERABLE FALLING AND BLOWING AND DRIFTING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD... AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ105-110-113-115-151215- /O.EXA.KCYS.WW.Y.0004.150215T2100Z-150216T2100Z/ SHIRLEY BASIN-NORTH SNOWY RANGE FOOTHILLS- UPPER NORTH PLATTE RIVER BASIN-LARAMIE VALLEY- INCLUDING THE CITIES OF...MEDICINE BOW...ARLINGTON... ELK MOUNTAIN...SARATOGA...ENCAMPMENT...RIVERSIDE...LARAMIE 903 PM MST SAT FEB 14 2015 ...WINTER WEATHER ADVISORY IN EFFECT FROM 2 PM SUNDAY TO 2 PM MST MONDAY... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 2 PM SUNDAY TO 2 PM MST MONDAY. * TIMING...LIGHT SNOW WILL DEVELOP SUNDAY MORNING BUT THE MAIN SNOW ACCUMULATIONS WILL LIKELY OCCUR SUNDAY NIGHT THROUGH MONDAY MORNING. * TOTAL SNOW ACCUMULATIONS...4 TO 8 INCHES. * WINDS/VISIBILITY...NORTH TO NORTHEAST WINDS OF 20 TO 30 MPH BEHIND THE FRONT SUNDAY MORNING COULD CREATE AREAS OF BLOWING SNOW IN OPEN AREAS. * IMPACTS...TRAVEL WILL BECOME HAZARDOUS...ESPECIALLY ON INTERSTATE 80 FROM LARAMIE TO ARLINGTON FROM LATE SUNDAY AFTERNOON THROUGH MONDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS. && $$ WYZ106-112-116-117-151215- /O.CON.KCYS.WW.Y.0004.150215T2100Z-150216T2100Z/ CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- SIERRA MADRE RANGE-SOUTH LARAMIE RANGE- SOUTH LARAMIE RANGE FOOTHILLS- INCLUDING THE CITIES OF...BORDEAUX...VEDAUWOO...BUFORD... PUMPKIN VINE...HORSE CREEK...HARRIMAN...WHITAKER 903 PM MST SAT FEB 14 2015 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 2 PM SUNDAY TO 2 PM MST MONDAY... * TIMING...LIGHT SNOW WILL DEVELOP SUNDAY MORNING BUT THE MAIN SNOW ACCUMULATIONS WILL LIKELY OCCUR SUNDAY NIGHT THROUGH MONDAY MORNING. * TOTAL SNOW ACCUMULATIONS...6 TO 10 INCHES FOR THE SOUTHERN LARAMIE RANGE WITH 4 TO 7 INCHES ON EAST FACING SLOPES ACROSS THE CENTRAL AND SOUTH LARAMIE RANGE FOOTHILLS. * WINDS/VISIBILITY...NORTH TO NORTHEAST WINDS OF 15 TO 25 MPH BEHIND THE FRONT SUNDAY MORNING COULD CREATE AREAS OF BLOWING SNOW IN OPEN AREAS. * IMPACTS...TRAVEL WILL BECOME HAZARDOUS...ESPECIALLY ON INTERSTATE 80 ACROSS THE SOUTH LARAMIE RANGE FROM LATE SUNDAY AFTERNOON THROUGH MONDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS. && $$ MAJ/GCC
866 WWUS45 KCYS 151057 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 357 AM MST SUN FEB 15 2015 ...WINTER STORM WARNING SNOWY RANGE MOUNTAINS UNTIL EARLY MONDAY AFTERNOON... ...WINTER WEATHER ADVISORIES LARAMIE RANGE...SIERRA MADRE RANGE...AND NEARBY AREAS TODAY UNTIL EARLY MONDAY AFTERNOON... .A PERIOD OF SNOW WILL OCCUR OVER SOUTHEAST WYOMING TODAY AS A WEAK UPPER LEVEL DISTURBANCE AND ASSOCIATED COLD FRONT MOVE ACROSS THE AREA. SNOW WILL TAPER OFF BY THIS EVENING WITH A SECOND ROUND OF SNOW DEVELOPING LATER TONIGHT AND CONTINUING INTO MONDAY WITH THE PASSAGE OF A SECOND UPPER LEVEL DISTURBANCE AND A REINFORCING PUSH OF COLD AIR. WYZ103-160000- /O.CAN.KCYS.WS.W.0003.150215T1800Z-150216T1800Z/ /O.EXB.KCYS.WW.Y.0004.150215T1500Z-150216T2100Z/ NORTH LARAMIE RANGE- 357 AM MST SUN FEB 15 2015 ...WINTER WEATHER ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO 2 PM MST MONDAY... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 8 AM THIS MORNING TO 2 PM MST MONDAY. THE WINTER STORM WARNING HAS BEEN CANCELLED. * TIMING...1 TO 3 INCHES OF SNOW WILL FALL OVER THE NORTHERN LARAMIE RANGE THROUGH EARLY THIS AFTERNOON. A BREAK IN THE SNOW IS EXPECTED LATE THIS AFTERNOON INTO THE EVENING WITH ANOTHER PERIOD OF SNOW LATE TONIGHT THROUGH MONDAY MORNING WITH SEVERAL MORE INCHES OF SNOW POSSIBLE. * TOTAL SNOW ACCUMULATIONS...4 TO 8 INCHES. * WINDS/VISIBILITY...NORTH TO NORTHEAST WINDS OF 15 TO 20 MPH DECREASING TO 5 TO 10 MPH THIS EVENING. * IMPACTS...ROADS WILL BECOME SNOW COVERED AND SLIPPERY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS. && $$ WYZ114-160000- /O.CON.KCYS.WS.W.0003.150215T2100Z-150216T2100Z/ SNOWY RANGE- INCLUDING THE CITIES OF...CENTENNIAL...ALBANY...WOODS LANDING 357 AM MST SUN FEB 15 2015 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 2 PM MST MONDAY... * TIMING...SUNDAY AFTERNOON THROUGH EARLY MONDAY AFTERNOON. * TOTAL SNOW ACCUMULATIONS...12 TO 15 INCHES...WITH HIGHER AMOUNTS POSSIBLE. * WINDS/VISIBILITY...NORTH TO NORTHWEST 10 TO 20 MPH. VISIBILITIES WILL BE REDUCED TO ONE HALF MILE AT TIMES DUE TO FALLING SNOW. * IMPACTS...MOSTLY TO TRAVEL AND RECREATIONAL OUTDOOR ACTIVITIES IN THE MOUNTAINS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD... AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ105-106-110-112-113-115>117-160000- /O.CON.KCYS.WW.Y.0004.150215T2100Z-150216T2100Z/ SHIRLEY BASIN-CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- NORTH SNOWY RANGE FOOTHILLS-SIERRA MADRE RANGE- UPPER NORTH PLATTE RIVER BASIN-LARAMIE VALLEY-SOUTH LARAMIE RANGE- SOUTH LARAMIE RANGE FOOTHILLS- INCLUDING THE CITIES OF...MEDICINE BOW...BORDEAUX...ARLINGTON... ELK MOUNTAIN...SARATOGA...ENCAMPMENT...RIVERSIDE...LARAMIE... VEDAUWOO...BUFORD...PUMPKIN VINE...HORSE CREEK...HARRIMAN... WHITAKER 357 AM MST SUN FEB 15 2015 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 2 PM MST MONDAY... * TIMING...LIGHT SNOW WILL SPREAD ACROSS THE AREA THIS AFTERNOON WITH LIGHT ACCUMULATIONS THROUGH EARLY THIS EVENING. A BREAK IN THE SNOW WILL OCCUR THIS EVENING BUT A SECOND ROUND OF SNOW WILL DEVELOP LATE TONIGHT. * TOTAL SNOW ACCUMULATIONS...2 TO 4 INCHES WITH 4 TO 8 INCHES IN THE SOUTHERN LARAMIE RANGE. * WINDS/VISIBILITY...NORTH TO NORTHEAST WINDS OF 10 TO 20 MPH. * IMPACTS...ROADS WILL BECOME SNOW COVERED AND SLIPPERY... INCLUDING MUCH OF INTERSTATE 80 BETWEEN RAWLINS AND CHEYENNE LATE SUNDAY AFTERNOON THROUGH MONDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS. && $$
708 WWUS45 KCYS 152132 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 232 PM MST SUN FEB 15 2015 ...WINTER STORM WARNING SNOWY RANGE MOUNTAINS UNTIL EARLY MONDAY AFTERNOON... ...WINTER WEATHER ADVISORIES LARAMIE RANGE...SIERRA MADRE RANGE... AND NEARBY AREAS TODAY UNTIL EARLY MONDAY AFTERNOON... .A PERIOD OF SNOW WILL CONTINUE THIS AFTERNOON OVER SOUTHEAST WYOMING AS A WEAK UPPER LEVEL DISTURBANCE AND ASSOCIATED COLD FRONT MOVE ACROSS THE AREA. SNOW WILL TAPER OFF BY THIS EVENING WITH A SECOND ROUND OF SNOW DEVELOPING LATER TONIGHT AND CONTINUING INTO MONDAY WITH THE PASSAGE OF A SECOND UPPER LEVEL DISTURBANCE AND A REINFORCING PUSH OF COLD AIR. WYZ114-160945- /O.CON.KCYS.WS.W.0003.000000T0000Z-150216T2100Z/ SNOWY RANGE- INCLUDING THE CITIES OF...CENTENNIAL...ALBANY...WOODS LANDING 232 PM MST SUN FEB 15 2015 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 2 PM MST MONDAY... * TIMING...SUNDAY AFTERNOON THROUGH EARLY MONDAY AFTERNOON. * TOTAL SNOW ACCUMULATIONS...12 TO 15 INCHES...WITH HIGHER AMOUNTS POSSIBLE. * WINDS/VISIBILITY...NORTH TO NORTHWEST 10 TO 20 MPH. VISIBILITIES WILL BE REDUCED TO ONE HALF MILE AT TIMES DUE TO FALLING SNOW. * IMPACTS...MOSTLY TO TRAVEL AND RECREATIONAL OUTDOOR ACTIVITIES IN THE MOUNTAINS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD... AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ103-160945- /O.CON.KCYS.WW.Y.0004.000000T0000Z-150216T2100Z/ NORTH LARAMIE RANGE- 232 PM MST SUN FEB 15 2015 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 2 PM MST MONDAY... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT THROUGH 2 PM MST MONDAY. * TIMING...1 TO 3 INCHES OF SNOW WILL FALL OVER THE NORTHERN LARAMIE RANGE THROUGH THIS AFTERNOON. A BREAK IN THE SNOW IS EXPECTED LATE THIS AFTERNOON INTO THE EVENING WITH ANOTHER PERIOD OF SNOW LATE TONIGHT THROUGH MONDAY MORNING WITH SEVERAL MORE INCHES OF SNOW POSSIBLE. * TOTAL SNOW ACCUMULATIONS...4 TO 8 INCHES. * WINDS/VISIBILITY...NORTH TO NORTHEAST WINDS OF 15 TO 20 MPH DECREASING TO 5 TO 10 MPH THIS EVENING. * IMPACTS...ROADS WILL BECOME SNOW COVERED AND SLIPPERY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS. && $$ WYZ105-106-110-112-113-115>117-160945- /O.CON.KCYS.WW.Y.0004.000000T0000Z-150216T2100Z/ SHIRLEY BASIN-CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- NORTH SNOWY RANGE FOOTHILLS-SIERRA MADRE RANGE- UPPER NORTH PLATTE RIVER BASIN-LARAMIE VALLEY-SOUTH LARAMIE RANGE- SOUTH LARAMIE RANGE FOOTHILLS- INCLUDING THE CITIES OF...MEDICINE BOW...BORDEAUX...ARLINGTON... ELK MOUNTAIN...SARATOGA...ENCAMPMENT...RIVERSIDE...LARAMIE... VEDAUWOO...BUFORD...PUMPKIN VINE...HORSE CREEK...HARRIMAN... WHITAKER 232 PM MST SUN FEB 15 2015 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 2 PM MST MONDAY... * TIMING...LIGHT SNOW WILL SPREAD ACROSS THE AREA THIS AFTERNOON WITH LIGHT ACCUMULATIONS THROUGH EARLY THIS EVENING. A BREAK IN THE SNOW WILL OCCUR THIS EVENING BUT A SECOND ROUND OF SNOW WILL DEVELOP LATE TONIGHT. * TOTAL SNOW ACCUMULATIONS...2 TO 4 INCHES WITH 4 TO 8 INCHES IN THE SOUTHERN LARAMIE RANGE. * WINDS/VISIBILITY...NORTH TO NORTHEAST WINDS OF 10 TO 20 MPH. * IMPACTS...ROADS WILL BECOME SNOW COVERED AND SLIPPERY... INCLUDING MUCH OF INTERSTATE 80 BETWEEN RAWLINS AND CHEYENNE LATE THIS AFTERNOON THROUGH MONDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS. && $$
659 WWUS45 KCYS 160410 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 910 PM MST SUN FEB 15 2015 ...WINTER STORM WARNING SNOWY RANGE MOUNTAINS TONIGHT THROUGH EARLY MONDAY AFTERNOON... ...WINTER WEATHER ADVISORIES LARAMIE RANGE...SIERRA MADRE RANGE... AND NEARBY AREAS TONIGHT THROUGH EARLY MONDAY AFTERNOON... .A SECOND ROUND OF SNOW ASSOCIATED WITH A UPPER LEVEL DISTURBANCE MOVING SOUTH THROUGH WESTERN WYOMING WILL DEVELOP LATER TONIGHT AND CONTINUING THROUGH EARLY MONDAY AFTERNOON. WYZ114-161215- /O.CON.KCYS.WS.W.0003.000000T0000Z-150216T2100Z/ SNOWY RANGE- INCLUDING THE CITIES OF...CENTENNIAL...ALBANY...WOODS LANDING 910 PM MST SUN FEB 15 2015 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 2 PM MST MONDAY... * TIMING...SNOW WILL INCREASE TONIGHT AND CONTINUE THROUGH EARLY MONDAY AFTERNOON. * TOTAL SNOW ACCUMULATIONS...10 TO 15 INCHES...WITH HIGHER AMOUNTS ALONG NORTH AND NORTHWEST FACING SLOPES. * WINDS/VISIBILITY...NORTH TO NORTHWEST 15 TO 25 MPH. VISIBILITIES WILL BE REDUCED TO ONE HALF MILE AT TIMES DUE TO FALLING SNOW. * IMPACTS...MOSTLY TO TRAVEL AND RECREATIONAL OUTDOOR ACTIVITIES IN THE MOUNTAINS. 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. && $$ WYZ103-161215- /O.CON.KCYS.WW.Y.0004.000000T0000Z-150216T2100Z/ NORTH LARAMIE RANGE- 910 PM MST SUN FEB 15 2015 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 2 PM MST MONDAY... * TIMING...SNOW WILL REDEVELOP TONIGHT AND CONTINUE THROUGH MONDAY MORNING. * TOTAL SNOW ACCUMULATIONS...4 TO 8 INCHES. * WINDS/VISIBILITY...NORTH TO NORTHEAST WINDS OF 10 TO 20 MPH. VISIBILITIES WILL BE REDUCED TO A MILE OR LESS IN FALLING SNOW. * IMPACTS...ROADS WILL BECOME SNOW COVERED AND SLIPPERY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS. && $$ WYZ105-106-110-112-113-115>117-161215- /O.CON.KCYS.WW.Y.0004.000000T0000Z-150216T2100Z/ SHIRLEY BASIN-CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- NORTH SNOWY RANGE FOOTHILLS-SIERRA MADRE RANGE- UPPER NORTH PLATTE RIVER BASIN-LARAMIE VALLEY-SOUTH LARAMIE RANGE- SOUTH LARAMIE RANGE FOOTHILLS- INCLUDING THE CITIES OF...MEDICINE BOW...BORDEAUX...ARLINGTON... ELK MOUNTAIN...SARATOGA...ENCAMPMENT...RIVERSIDE...LARAMIE... VEDAUWOO...BUFORD...PUMPKIN VINE...HORSE CREEK...HARRIMAN... WHITAKER 910 PM MST SUN FEB 15 2015 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 2 PM MST MONDAY... * TIMING...SNOW WILL REDEVELOP TONIGHT AND CONTINUE THROUGH MONDAY MORNING. * TOTAL SNOW ACCUMULATIONS...2 TO 4 INCHES WITH 4 TO 6 INCHES OVER THE SOUTHERN LARAMIE RANGE. * WINDS/VISIBILITY...NORTH TO NORTHEAST WINDS OF 10 TO 20 MPH. VISIBILITIES WILL BE REDUCED TO A MILE OR LESS IN FALLING SNOW. * IMPACTS...ROADS WILL BECOME SNOW COVERED AND SLIPPERY...INCLUDING MUCH OF INTERSTATE 80 BETWEEN RAWLINS AND CHEYENNE LATE TONIGHT AND MONDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS. && $$ MAJ
253 WWUS45 KCYS 160921 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 221 AM MST MON FEB 16 2015 .LIGHT ACCUMULATIONS OF SNOW WILL OCCUR MAINLY ALONG AND WEST OF THE LARAMIE RANGE IN SOUTHEAST WYOMING TODAY AS A WEAK WEATHER DISTRUBANCE MOVES OVER SOUTHEAST WYOMING. GENERALLY 2 TO 4 INCHES OF SNOW WILL OCCUR INTO THE SNOWY AND SIERRA MADRE RANGES THROUGH THIS AFTERNOON WITH 1 INCH OR LESS FOR MOST LOCATIONS OUTSIDE OF THE MOUNTAINS. WYZ114-161030- /O.CAN.KCYS.WS.W.0003.000000T0000Z-150216T2100Z/ SNOWY RANGE- INCLUDING THE CITIES OF...CENTENNIAL...ALBANY...WOODS LANDING 221 AM MST MON FEB 16 2015 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS CANCELLED THE WINTER STORM WARNING. OCCASIONAL SNOW SHOWERS WILL CONTINUE ACROSS THE SNOWY RANGE MOUNTAINS TODAY. NEW SNOW ACCUMULATIONS WILL GENERALLY RANGE BETWEEN 2 TO 4 INCHES. $$ WYZ103-105-106-110-112-113-115>117-161030- /O.CAN.KCYS.WW.Y.0004.000000T0000Z-150216T2100Z/ NORTH LARAMIE RANGE-SHIRLEY BASIN- CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- NORTH SNOWY RANGE FOOTHILLS-SIERRA MADRE RANGE- UPPER NORTH PLATTE RIVER BASIN-LARAMIE VALLEY-SOUTH LARAMIE RANGE- SOUTH LARAMIE RANGE FOOTHILLS- INCLUDING THE CITIES OF...MEDICINE BOW...BORDEAUX...ARLINGTON... ELK MOUNTAIN...SARATOGA...ENCAMPMENT...RIVERSIDE...LARAMIE... VEDAUWOO...BUFORD...PUMPKIN VINE...HORSE CREEK...HARRIMAN... WHITAKER 221 AM MST MON FEB 16 2015 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS CANCELLED THE WINTER WEATHER ADVISORY. LIGHT SNOW SHOWERS WILL OCCUR OVER PORTIONS OF SOUTHEAST WYOMING TODAY BUT ADDITIONAL SNOW ACCUMULATIONS OUTSIDE OF THE MOUNTAINS WILL BE MINIMAL. NEW SNOW ACCUMULATIONS WILL GENERALLY BE LESS THAN ONE INCH. MOTORISTS WILL STILL WANT TO TRAVEL USING CAUTION THIS MORNING AS BLACK ICE HAS BEEN REPORTED ON MANY ROADS INCLUDING PORTIONS INTERSTATES 25 AND 80 IN SOUTHEAST WYOMING. $$ LIEBL
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 Feb 14, 10:53 AM MST, 2 hours 58 minutes earlier.
Area forecast discussion, Feb 14, 10:53 AM MST, 2 hours 58 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHEYENNE WY
1053 AM MST SAT FEB 14 2015
.SHORT TERM...(TODAY THROUGH MONDAY NIGHT)
ISSUED AT 403 AM MST SAT FEB 14 2015
MAIN FOCUS IS THE CHANGE IN WEATHER CONDITIONS OVER THE NEXT FEW
DAYS ALONG WITH CHANCES FOR SNOW. COLD FRONT WILL BACK IN ACROSS
EASTERN PORTIONS OF THE FORECAST AREA TODAY. THE QUESTION IS HOW FAR
WEST WILL THE FRONT REACH. TEMPERATURES WILL VARY GREATLY ON EITHER
SIDE OF THE FRONT WITH HIGHS STRUGGLING TO REACH 40 DEGREES
BEHIND THE FRONT WITH 50S TO NEAR 60 TO THE WEST. CURRENTLY
THINKING THE FRONT WILL PUSH THROUGH THE WESTERN NEBRASKA
PANHANDLE AND THEN STALL OUT ROUGHLY BETWEEN THE WYOMING BORDER
AND INTERSTATE 25. COULD SEE PATCHY MORNING DRIZZLE OR FREEZING
DRIZZLE NEAR CHADRON GIVEN SATURATED LOW LEVEL AND UPSLOPE FORCING
NEAR THE PINE RIDGE...BUT NOT EXPECTING IMPACTS TO TRAVEL.
THE MAIN FORECAST CHALLENGE IS SUNDAY INTO MONDAY AS COLD AIR
SPREADS ACROSS THE AREA ALONG WITH CHANCES FOR SNOW. THE
NAM...ECMWF...AND GFS MODELS ALL HAVE DIFFERENT IDEAS ON HOW
PRECIPITATION WILL EVOLVE AS ALL MODELS ARE SHOWING DIFFERENT
TIMING AND PLACEMENT OF TWO UPPER LEVEL DISTURBANCES. AT THIS TIME
CONFIDENCE IS NOT HIGH IN PINPOINTING WHERE SNOW WILL FALL OR
EVEN HOW MUCH WILL ACCUMULATE. ECMWF ONLY PRODUCES 1 TO 3 INCHES
OF SNOW BETWEEN SUNDAY MORNING AND MONDAY AFTERNOON. GFS IS A
SLIGHTLY MORE ROBUST WITH 2 TO 5 INCHES MORE LIKELY. BOTH THE
ECMWF AND GFS FOCUS THE MAIN AREA FOR SNOW ACCUMULATIONS ALONG
THE LARAMIE RANGE. THE NAM ON THE OTHER HAND SPREADS A BAND OF
HEAVIER SNOW INTO THE PLAINS BUT THAT IS NOT UNTIL LATE SUNDAY
NIGHT INTO MONDAY WITH VERY LITTLE TO NO PRECIPITATION DURING THE
DAY SUNDAY. SNOW AMOUNTS WOULD BE IN THE 4 TO 7 INCH RANGE WILL
SLIGHTLY HIGHER AMOUNTS POSSIBLE WITHIN A HEAVIER WEST TO EAST
SNOW BAND...AND OF COURSE SLIGHTLY HIGHER AMOUNTS IN THE
MOUNTAINS. AT THIS TIME NOT CONFIDENT ENOUGH TO ADJUST WINTER
WEATHER HEADLINES ONE WAY OR ANOTHER...BUT TO REACH WARNING TYPE
SNOW AMOUNTS...UPPER LEVEL ENERGY WILL LIKELY NEED A LONGER
RESIDENCE TIME TO SEE THOSE HIGHER SNOW AMOUNTS OCCUR. WINDS ARE
NOT EXPECTED TO BE A BIG FACTOR SUNDAY OR MONDAY SO NOT MUCH IN
THE WAY OF BLOWING SNOW. TRAVEL WILL BE IMPACTED WHERE SNOW DOES
ACCUMLUATE WITH SNOW COVERED AND SLIPPERY ROADWAYS.
.LONG TERM...(MONDAY NIGHT THROUGH FRIDAY)
ISSUED AT 345 AM MST SAT FEB 14 2015
MODELS IN REASONABLE AGREEMENT THROUGH THE WEEK...MAINLY SHOWING
NORTHWEST FLOW ALOFT AND COLDER TEMPERATURES COMPARED TO THE
RECENT WEATHER THE LAST FEW WEEKS. THE UPPER LEVEL
SHORTWAVE...RESPONSIBLE FOR THE SNOWFALL SUNDAY NIGHT AND
MONDAY...WILL CONTINUE DIGGING SOUTH INTO NEW MEXICO MONDAY NIGHT
WITH MOST OF THE EASTERN TWO THIRDS OF THE UNITED STATES UNDER
THE INFLUENCE OF A LARGE ARCTIC OUTBREAK. THANKFULLY...MODELS
INDICATE THAT THE BULK OF THE COLDEST AIR WILL STAY EAST OF THE
FORECAST AREA. TUESDAY WILL STILL BE COLD HOWEVER WITH HIGHS
STRUGGLING TO REACH FREEZING. SNOW FLURRIES OR VERY LIGHT SNOW IS
EXPECTED THROUGH TUESDAY AFTERNOON ACROSS THE HIGH PLAINS WITH
SOME LINGERING UPSLOPE FLOW AND JET ENERGY ALOFT. THE MAIN
CHALLENGE EARLY IN THE WEEK WILL BE LOW TEMPERATURES DUE TO THE
POTENTIAL SURFACE SNOW PACK ACROSS PORTIONS OF THE FORECAST AREA.
KEPT LOW TEMPERATURES IN THE SINGLE DIGITS AND TEENS MONDAY NIGHT
AND TUESDAY NIGHT...BUT WILL LIKELY NEED TO LOWER THEM ANOTHER 5
TO 10 DEGREES DEPENDING ON SKY CONDITIONS. OUTSIDE OF THESE LIGHT
SNOW FLURRIES...NOT MUCH SNOWFALL EXPECTED THROUGH THE WEEK UNTIL
VERY LATE IN THE FORECAST PERIOD. EASTERN PACIFIC UPPER LEVEL
RIDGE AXIS WILL DRIFT INTO THE WEST COAST AND ACROSS THE FORECAST
AREA AND WILL WEAKEN ON WEDNESDAY...WHICH WILL ONLY RESULT IN
WINDS SHIFTING A BIT MORE WESTERLY WITH WARMER TEMPERATURES
EXPECTED ACROSS SOUTHEAST WYOMING AND MOST OF WESTERN NEBRASKA.
HIGH TEMPERATURES ON WEDNESDAY SHOULD CLIMB INTO THE 40S ACROSS
MOST OF THE AREA...BUT PORTIONS OF WESTERN NEBRASKA AND EXTREME
EAST-CENTRAL WYOMING WILL REMAIN IN THE 20S TO MID 30S DURING THE
DAY DUE TO THE LOCATION OF THE RETREATING ARCTIC FRONTAL BOUNDARY.
TEMPERATURES WILL REBOUND INTO THE UPPER 40S TO MID 50S EVERYWHERE
ON THURSDAY AFTERNOON. WILL HAVE TO KEEP AN EYE ON WIND SPEEDS
OVER SOUTHEAST WYOMING DURING THIS TIME PERIOD...SINCE HIGH WIND
CRITERIA IS POSSIBLE ACROSS THE WIND PRONE LOCATIONS.
BY THURSDAY NIGHT AND FRIDAY...MODELS HINT AT ANOTHER COLD FRONT
DIGGING SOUTH ACROSS THE STATE OF WYOMING AND INTO COLORADO. THE
ECMWF AND GFS BOTH SHOW THIS SOLUTION AND THE ENSEMBLES SUPPORT
THIS IDEA AS WELL. HOWEVER...THE DIFFERENCES IN TIMING BETWEEN THE
GFS AND ECMWF ARE CONSIDERABLE. FOR NOW...STARTED LOWERING HIGH
TEMPERATURES ON FRIDAY BACK TO NEAR NORMAL.
&&
.AVIATION...(FOR THE 18Z TAFS THROUGH 18Z SUNDAY AFTERNOON)
ISSUED AT 1048 AM MST SAT FEB 14 2015
IFR CIGS WILL CONTINUE AT CDR AND AIA FOR AN HOUR OR TWO LONGER
BEFORE THE LOW CLOUDS BEGIN TO LIFT. WINDS WILL BE SOUTHWESTERLY
OVER THE WY SITES THROUGH THE AFTERNOON AND SOUTHEASTERLY ACROSS
THE NEBRASKA PANHANDLE. SOME MVFR CIGS WILL BE POSSIBLE AT SNY BY
LATE TONIGHT. A COLD FRONT WILL PUSH ACROSS THE REGION BY SUNDAY
MORNING WITH LOW CLOUDS BECOMING LIKELY ESPECIALLY OVER SOUTHEAST
WY.
&&
.FIRE WEATHER...
ISSUED AT 243 AM MST SAT FEB 14 2015
NO FIRE WEATHER CONCERNS WITH COOL AIR GENERALLY IN PLACE THOUGH
NEXT WEEK.
&&
.CYS WATCHES/WARNINGS/ADVISORIES...
WY...WINTER STORM WATCH FROM SUNDAY MORNING THROUGH MONDAY MORNING
FOR WYZ114.
WINTER STORM WATCH FROM LATE TONIGHT THROUGH MONDAY MORNING FOR
WYZ103-106-116-117.
NE...NONE.
&&
SHORT TERM...SML
LONG TERM...TJT
AVIATION...ZF
FIRE WEATHER...SMLHazardous weather outlook, Feb 14, 6:06 AM MST, 7 hours 45 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE CHEYENNE WY 606 AM MST SAT FEB 14 2015 NEZ002-003-019>021-054-055-095-096-WYZ101>103-105>108-110-114>119- 151315- DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE- NORTH SIOUX-SOUTH SIOUX-CONVERSE COUNTY LOWER ELEVATIONS- NIOBRARA COUNTY-NORTH LARAMIE RANGE-SHIRLEY BASIN- CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- EAST PLATTE COUNTY-GOSHEN COUNTY-NORTH SNOWY RANGE FOOTHILLS- SNOWY RANGE-LARAMIE VALLEY-SOUTH LARAMIE RANGE- SOUTH LARAMIE RANGE FOOTHILLS-CENTRAL LARAMIE COUNTY- EAST LARAMIE COUNTY- 606 AM MST SAT FEB 14 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WESTERN NEBRASKA AND SOUTHEAST WYOMING. .DAY ONE...TODAY AND TONIGHT A SHALLOW COLD FRONT WILL DRIFT SOUTHWEST AND STALL ACROSS THE HIGH PLAINS OF EXTREME EASTERN WYOMING AND MOST OF WESTERN NEBRASKA THIS AFTERNOON. SOME PATCHY FOG IS POSSIBLE ALONG THE PINE RIDGE INTO THIS EVENING. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY A STRONG COLD FRONT WILL THEN MOVE SOUTHWARD ACROSS THE AREA BEGINNING SUNDAY MORNING. PERIODS OF LIGHT TO MODERATE SNOW ARE EXPECTED SUNDAY AFTERNOON THROUGH MONDAY. A WINTER STORM WATCH REMAINS IN EFFECT FOR THE LARAMIE RANGE AND THE SNOWY RANGE...WITH LIGHTER ACCUMULATIONS EXPECTED FOR THE HIGH PLAINS AND HIGH VALLEYS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT. WYZ104-109-111>113-151315- FERRIS/SEMINOE/SHIRLEY MOUNTAINS-CENTRAL CARBON COUNTY- SOUTHWEST CARBON COUNTY-SIERRA MADRE RANGE- UPPER NORTH PLATTE RIVER BASIN- 606 AM MST SAT FEB 14 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL WYOMING. .DAY ONE...TODAY AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY A COLD FRONT WILL MOVE SOUTHWARD ACROSS THE AREA BY EARLY MONDAY MORNING. LIGHT SNOW ACCUMULATIONS ARE POSSIBLE THROUGH MONDAY ALONG WITH MUCH COLDER TEMPERATURES. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT.
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 14, 1:51 PM MST | Winter Weather Advisory | CYS | Albany, Carbon, Converse, Laramie, Platte | 37 hr |
Nearby
Winter Storm Warnings in Wyoming, 2015Every winter storm warning in 2015
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.