Alert archive / Wyoming / Winter Storm Warnings in 2015
Winter Storm Warning 4, NWS Cheyenne, WY
NWS Cheyenne, WY issued this winter storm warning at Feb 20, 2015, 1:52 AM MST for Albany County, Carbon County, Laramie County, Wyoming. It took effect at Feb 20, 2015, 5:00 PM MST. It was in force for 35 hr. 5 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Feb 20, 2015, 1:52 AM MST (08:52 UTC)
- In effect from
- Feb 20, 2015, 5:00 PM MST
- Expired
- Feb 22, 2015, 3:37 AM MST
- In force
- 35 hr
- Issued by
- NWS Cheyenne, WY
Counties Albany County, WY, Carbon County, WY, Laramie County, WY
The radar
The Cheyenne radar (KCYS), 93 km from the middle of the area, began a volume at 08:50 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Feb 21, 3:00 PM MST | SNOW 2.5 | 1 N Cheyenne, WY | |
| Feb 21, 5:00 PM MST | SNOW 1.8 | Cheyenne, WY | |
| Feb 21, 6:07 PM MST | SNOW 2 | 10 N Cheyenne, WY | |
| Feb 21, 8:27 PM MST | SNOW 1 | Rawlins, WY | |
| Feb 21, 8:27 PM MST | SNOW 2 | Laramie, 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 00:00Z, 8.9 hours before the alert went out and 274 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
- 2754 m above ground
- 0-6 km bulk shear
- 73 kt
- 0-1 km storm-relative helicity
- -3 m²/s²
- 0-3 km storm-relative helicity
- 117 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
201 WWUS45 KCYS 200852 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 152 AM MST FRI FEB 20 2015 ...WINTER STORM WARNING FOR HEAVY SNOW ALONG THE INTERSTATE 80 CORRIDOR FROM CHEYENNE TO ARLINGTON THROUGH SUNDAY MORNING... .A COLD FRONT WILL MOVE SOUTH ACROSS SOUTHEAST WYOMING AND WESTERN NEBRASKA LATE TODAY AND STALL OVER CENTRAL COLORADO THIS WEEKEND. UPSLOPE NORTHEAST FLOW...ABUNDANT MOISTURE AND UPPER LEVEL LIFT WILL ENHANCE THE SNOWFALL MAINLY ALONG AND SOUTH OF INTERSTATE 80 BEGINNING THIS EVENING OVER THE SNOWY AND SIERRA MADRE RANGES...THEN SPREADING EASTWARD SATURDAY MORNING THROUGH SUNDAY MORNING. GUSTY NORTHEAST WINDS WILL CREATE BLOWING AND DRIFTING SNOW WITH POOR VISIBILITIES. WYZ119-201000- /O.CAN.KCYS.WS.A.0003.150221T0000Z-150223T0000Z/ EAST LARAMIE COUNTY- INCLUDING THE CITIES OF...BURNS...CARPENTER...ALBIN...PINE BLUFFS 152 AM MST FRI FEB 20 2015 ...WINTER STORM WATCH IS CANCELLED... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS CANCELLED THE WINTER STORM WATCH. MODERATE TO HEAVY SNOW LOOKS TO REMAIN WEST OF THE AREA...THUS THE WINTER STORM WATCH HAS BEEN CANCELLED. $$ WYZ112>114-210000- /O.UPG.KCYS.WS.A.0003.150221T0000Z-150223T0000Z/ /O.NEW.KCYS.WS.W.0004.150221T0000Z-150222T1800Z/ SIERRA MADRE RANGE-UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE- INCLUDING THE CITIES OF...SARATOGA...ENCAMPMENT...RIVERSIDE... CENTENNIAL...ALBANY...WOODS LANDING 152 AM MST FRI FEB 20 2015 ...WINTER STORM WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 AM MST SUNDAY... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 AM MST SUNDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...RAIN WILL CHANGE TO SNOW LATE THIS AFTERNOON AND EARLY EVENING BEHIND A COLD FRONT. THE SNOW WILL PERSIST THROUGH SUNDAY MORNING. THE SNOW WILL BE MODERATE TO HEAVY AT TIMES. * TOTAL SNOW ACCUMULATIONS...4 TO 10 INCHES FOR LOWER ELEVATIONS AND VALLEYS NEAR SARATOGA AND 14 TO 22 INCHES FOR THE SNOWY AND SIERRA MADRE RANGES. * WINDS/VISIBILITY...NORTHEAST WINDS 15 TO 25 MPH AND GUSTY SATURDAY NIGHT INTO SUNDAY WILL CREATE BLOWING AND DRIFTING SNOW. VISIBILITIES WILL BE REDUCED TO A HALF MILE OR LESS AT TIMES. * IMPACTS...MOSTLY TO TRAVEL DUE TO FALLING...BLOWING AND DRIFTING SNOW. TRAVEL WILL BECOME VERY HAZARDOUS. VERY COLD TEMPERATURES WILL CREATE DANGEROUSLY COLD WIND CHILLS SATURDAY NIGHT INTO SUNDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ110-115>118-210000- /O.UPG.KCYS.WS.A.0003.150221T0000Z-150223T0000Z/ /O.NEW.KCYS.WS.W.0004.150221T1200Z-150222T1800Z/ NORTH SNOWY RANGE FOOTHILLS-LARAMIE VALLEY-SOUTH LARAMIE RANGE- SOUTH LARAMIE RANGE FOOTHILLS-CENTRAL LARAMIE COUNTY- INCLUDING THE CITIES OF...ARLINGTON...ELK MOUNTAIN...LARAMIE... VEDAUWOO...BUFORD...PUMPKIN VINE...HORSE CREEK...HARRIMAN... WHITAKER...CHEYENNE 152 AM MST FRI FEB 20 2015 ...WINTER STORM WARNING IN EFFECT FROM 5 AM SATURDAY TO 11 AM MST SUNDAY... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 5 AM SATURDAY TO 11 AM MST SUNDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...HEAVIEST SNOW LOOKS TO OCCUR MID MORNING SATURDAY THROUGH SUNDAY MORNING. MODERATE TO HEAVY SNOW IS EXPECTED INITIALLY AT ARLINGTON...SPREADING EAST TO CHEYENNE BY LATE MORNING. * TOTAL SNOW ACCUMULATIONS...6 TO 10 INCHES FOR LOWER ELEVATIONS AND VALLEYS AND 10 TO 14 INCHES FOR THE SOUTHERN LARAMIE RANGE. * WINDS/VISIBILITY...NORTHEAST WINDS 15 TO 25 MPH AND GUSTY SATURDAY NIGHT INTO SUNDAY MORNING...ESPECIALLY NEAR ARLINGTON. THESE WINDS WILL CREATE BLOWING AND DRIFTING SNOW. VISIBILITIES WILL BE REDUCED TO A HALF MILE OR LESS AT TIMES. * IMPACTS...MOSTLY TO TRAVEL DUE TO FALLING...BLOWING AND DRIFTING SNOW. TRAVEL WILL BECOME VERY HAZARDOUS...ESPECIALLY ALONG INTERSTATE 80 FROM ARLINGTON TO CHEYENNE SATURDAY AND SATURDAY NIGHT. 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. && $$
6 follow-up statements
532 WWUS45 KCYS 202047 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 147 PM MST FRI FEB 20 2015 ...WINTER STORM WARNINGS IN EFFECT FOR HEAVY SNOW ALONG THE INTERSTATE 80 CORRIDOR FROM ARLINGTON TO CHEYENNE AND PINE BLUFFS FROM LATE THIS AFTERNOON THROUGH SUNDAY MORNING... ...WINTER WEATHER ADVISORIES IN EFFECT FOR SNOW OUTSIDE THE WARNING AREAS INCLUDING THE SOUTHERN NEBRASKA PANHANDLE SATURDAY MORNING THROUGH SUNDAY MORNING... .A COLD FRONT WHICH MOVED SOUTH ACROSS SOUTHEAST WYOMING AND WESTERN NEBRASKA THIS MORNING WILL EXTEND FROM CENTRAL COLORADO NORTHWEST ALONG THE CONTINENTAL DIVIDE THIS WEEKEND. UPSLOPE NORTHEAST FLOW...ABUNDANT MOISTURE AND UPPER LEVEL LIFT WILL ENHANCE THE SNOWFALL MAINLY ALONG AND SOUTH OF INTERSTATE 80 WEST OF THE LARAMIE RANGE BEGINNING THIS EVENING...SPREADING EAST SATURDAY MORNING THROUGH SUNDAY MORNING. GUSTY NORTHEAST WINDS WILL CREATE BLOWING AND DRIFTING SNOW WITH POOR VISIBILITIES SATURDAY AND SATURDAY NIGHT. WYZ119-211200- /O.EXA.KCYS.WS.W.0004.150221T1200Z-150222T1800Z/ EAST LARAMIE COUNTY- INCLUDING THE CITIES OF...BURNS...CARPENTER...ALBIN...PINE BLUFFS 147 PM MST FRI FEB 20 2015 ...WINTER STORM WARNING IN EFFECT FROM 5 AM SATURDAY TO 11 AM MST SUNDAY... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 5 AM SATURDAY TO 11 AM MST SUNDAY. * TIMING...SNOW WILL DEVELOP TONIGHT AND CONTINUE THROUGH SUNDAY. MODERATE TO HEAVY SNOW WILL LIKELY SATURDAY AFTERNOON AND EVENING. * TOTAL SNOW ACCUMULATIONS...6 TO 8 INCHES. * WINDS/VISIBILITY...NORTHEAST WINDS 15 TO 25 MPH AND GUSTY SATURDAY AFTERNOON AND EVENING. THESE WINDS WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW. VISIBILITIES WILL BE REDUCED TO A HALF MILE OR LESS AT TIMES. * IMPACTS...MOSTLY TO TRAVEL DUE TO FALLING...BLOWING AND DRIFTING SNOW. TRAVEL WILL BECOME VERY HAZARDOUS...ESPECIALLY ALONG INTERSTATE 80 FROM CHEYENNE TO PINE BLUFFS SATURDAY AND SATURDAY NIGHT. 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. && $$ WYZ112>114-211200- /O.CON.KCYS.WS.W.0004.150221T0000Z-150222T1800Z/ SIERRA MADRE RANGE-UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE- INCLUDING THE CITIES OF...SARATOGA...ENCAMPMENT...RIVERSIDE... CENTENNIAL...ALBANY...WOODS LANDING 147 PM MST FRI FEB 20 2015 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 AM MST SUNDAY... * TIMING...RAIN WILL CHANGE TO SNOW LATE THIS AFTERNOON AND EARLY EVENING BEHIND A COLD FRONT. THE SNOW WILL PERSIST THROUGH SUNDAY MORNING. THE SNOW WILL BE MODERATE TO HEAVY AT TIMES. * TOTAL SNOW ACCUMULATIONS...4 TO 10 INCHES FOR LOWER ELEVATIONS AND VALLEYS NEAR SARATOGA AND 14 TO 22 INCHES FOR THE SNOWY AND SIERRA MADRE RANGES. * WINDS/VISIBILITY...NORTHEAST WINDS 20 TO 30 MPH AND GUSTY SATURDAY AND SATURDAY NIGHT WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW. VISIBILITIES WILL BE REDUCED TO A HALF MILE OR LESS AT TIMES. * IMPACTS...MOSTLY TO TRAVEL DUE TO FALLING...BLOWING AND DRIFTING SNOW. TRAVEL WILL BECOME VERY HAZARDOUS. VERY COLD TEMPERATURES WILL CREATE DANGEROUSLY COLD WIND CHILLS SATURDAY NIGHT INTO SUNDAY MORNING. 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. && $$ WYZ110-115>118-211200- /O.CON.KCYS.WS.W.0004.150221T1200Z-150222T1800Z/ NORTH SNOWY RANGE FOOTHILLS-LARAMIE VALLEY-SOUTH LARAMIE RANGE- SOUTH LARAMIE RANGE FOOTHILLS-CENTRAL LARAMIE COUNTY- INCLUDING THE CITIES OF...ARLINGTON...ELK MOUNTAIN...LARAMIE... VEDAUWOO...BUFORD...PUMPKIN VINE...HORSE CREEK...HARRIMAN... WHITAKER...CHEYENNE 147 PM MST FRI FEB 20 2015 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 AM SATURDAY TO 11 AM MST SUNDAY... * TIMING...SNOW WILL DEVELOP THIS EVENING AND CONTINUE THROUGH SUNDAY. MODERATE TO HEAVY SNOW WILL LIKELY OCCUR SATURDAY MORNING THROUGH SUNDAY MORNING. * TOTAL SNOW ACCUMULATIONS...6 TO 10 INCHES FOR LOWER ELEVATIONS AND VALLEYS AND 10 TO 14 INCHES FOR THE SOUTHERN LARAMIE RANGE. * WINDS/VISIBILITY...NORTHEAST WINDS 15 TO 25 MPH AND GUSTY SATURDAY AFTERNOON AND EVENING. THESE WINDS WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW. VISIBILITIES WILL BE REDUCED TO A HALF MILE OR LESS AT TIMES. * IMPACTS...MOSTLY TO TRAVEL DUE TO FALLING...BLOWING AND DRIFTING SNOW. TRAVEL WILL BECOME VERY HAZARDOUS...ESPECIALLY ALONG INTERSTATE 80 FROM ARLINGTON TO CHEYENNE SATURDAY AND SATURDAY NIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ101-103>109-111-211200- /O.NEW.KCYS.WW.Y.0005.150221T1200Z-150222T1800Z/ CONVERSE COUNTY LOWER ELEVATIONS-NORTH LARAMIE RANGE- FERRIS/SEMINOE/SHIRLEY MOUNTAINS-SHIRLEY BASIN- CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- EAST PLATTE COUNTY-GOSHEN COUNTY-CENTRAL CARBON COUNTY- SOUTHWEST CARBON COUNTY- INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...MUDDY GAP... MEDICINE BOW...BORDEAUX...GLENDO...WHEATLAND...CHUGWATER... GUERNSEY...TORRINGTON...RAWLINS...SINCLAIR...HANNA...BAGGS... DIXON 147 PM MST FRI FEB 20 2015 ...WINTER WEATHER ADVISORY IN EFFECT FROM 5 AM SATURDAY TO 11 AM MST SUNDAY... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 5 AM SATURDAY TO 11 AM MST SUNDAY. * TIMING...SNOW WILL DEVELOP THIS EVENING AND CONTINUE THROUGH SUNDAY. THE SNOW WILL BE MODERATE AT TIMES SATURDAY AFTERNOON AND EVENING. * TOTAL SNOW ACCUMULATIONS...3 TO 6 INCHES FOR LOWER ELEVATIONS AND 6 TO 9 INCHES FOR THE NORTH AND CENTRAL LARAMIE RANGE. * WINDS/VISIBILITY...NORTHEAST WINDS 15 TO 25 MPH SATURDAY AFTERNOON AND EVENING. THESE WINDS WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW WHICH WILL REDUCE VISIBILITIES TO LESS THAN A MILE AT TIMES. * IMPACTS...MAINLY TO TRANSPORTATION. ROADS WILL BECOME SNOW COVERED AND SLICK. 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. && $$ NEZ020-054-055-211200- /O.NEW.KCYS.WW.Y.0005.150221T1800Z-150222T1800Z/ BANNER-KIMBALL-CHEYENNE- INCLUDING THE CITIES OF...HARRISBURG...KIMBALL...SIDNEY 147 PM MST FRI FEB 20 2015 ...WINTER WEATHER ADVISORY IN EFFECT FROM 11 AM SATURDAY TO 11 AM MST SUNDAY... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 11 AM SATURDAY TO 11 AM MST SUNDAY. * TIMING...SNOW WILL DEVELOP TONIGHT AND CONTINUE THROUGH SUNDAY. THE SNOW WILL BE MODERATE AT TIMES SATURDAY AFTERNOON AND SATURDAY NIGHT. * TOTAL SNOW ACCUMULATIONS...3 TO 6 INCHES. * WINDS/VISIBILITY...NORTHEAST WINDS 15 TO 25 MPH SATURDAY AFTERNOON AND EVENING. THESE WINDS WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW WHICH WILL REDUCE VISIBILITIES TO LESS THAN A MILE AT TIMES. * IMPACTS...MAINLY TO TRANSPORTATION. ROADS WILL BECOME SNOW COVERED AND SLICK. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS. && $$ JAMSKI
330 WWUS45 KCYS 210506 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 1006 PM MST FRI FEB 20 2015 ...WINTER STORM WARNINGS IN EFFECT ALONG THE INTERSTATE 80 CORRIDOR IN SOUTHEAST WYOMING... ...WINTER WEATHER ADVISORIES IN EFFECT FOR PORTIONS OF SOUTHEAST WYOMING AND SOUTHERN NEBRASKA PANHANDLE... .AN ARCTIC COLD FRONT WILL MOVE ACROSS THE AREA SATURDAY. NORTHEAST FLOW BEHIND THE FRONT WILL COMBINE WITH ABUNDANT MOISTURE AND UPPER LEVEL LIFT TO PRODUCE SNOWFALL. THE HEAVIEST SNOW WILL MAINLY OCCUR ALONG AND SOUTH OF INTERSTATE 80. GUSTY NORTHEAST WINDS WILL CREATE BLOWING AND DRIFTING SNOW WITH POOR VISIBILITIES SATURDAY AND SATURDAY NIGHT. WYZ112>114-211315- /O.CON.KCYS.WS.W.0004.000000T0000Z-150222T1800Z/ SIERRA MADRE RANGE-UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE- INCLUDING THE CITIES OF...SARATOGA...ENCAMPMENT...RIVERSIDE... CENTENNIAL...ALBANY...WOODS LANDING 1006 PM MST FRI FEB 20 2015 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY... * TIMING...SNOW WILL BE HEAVY AT TIME SATURDAY WITH SNOW TAPERING OFF SATURDAY EVENING INTO SUNDAY. * TOTAL SNOW ACCUMULATIONS...4 TO 10 INCHES FOR LOWER ELEVATIONS AND VALLEYS NEAR SARATOGA AND 14 TO 22 INCHES FOR THE SNOWY AND SIERRA MADRE RANGES. * WINDS/VISIBILITY...NORTHEAST WINDS 20 TO 30 MPH AND GUSTY SATURDAY AND SATURDAY NIGHT WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW. VISIBILITIES WILL BE REDUCED TO A HALF MILE OR LESS AT TIMES. * IMPACTS...MOSTLY TO TRAVEL DUE TO FALLING...BLOWING AND DRIFTING SNOW. TRAVEL WILL BECOME VERY HAZARDOUS. VERY COLD TEMPERATURES WILL CREATE DANGEROUSLY COLD WIND CHILLS SATURDAY NIGHT INTO SUNDAY MORNING. 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. && $$ WYZ110-115>119-211315- /O.CON.KCYS.WS.W.0004.150221T1200Z-150222T1800Z/ NORTH SNOWY RANGE FOOTHILLS-LARAMIE VALLEY-SOUTH LARAMIE RANGE- SOUTH LARAMIE RANGE FOOTHILLS-CENTRAL LARAMIE COUNTY- EAST LARAMIE COUNTY- INCLUDING THE CITIES OF...ARLINGTON...ELK MOUNTAIN...LARAMIE... VEDAUWOO...BUFORD...PUMPKIN VINE...HORSE CREEK...HARRIMAN... WHITAKER...CHEYENNE...BURNS...CARPENTER...ALBIN...PINE BLUFFS 1006 PM MST FRI FEB 20 2015 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 AM SATURDAY TO 11 AM MST SUNDAY... * TIMING...SNOW BECOMING WIDESPREAD SATURDAY MORNING THROUGH SATURDAY AFTERNOON. MODERATE TO HEAVY SNOW WILL LIKELY OCCUR MUCH OF THE DAY SATURDAY...THEN BECOMING LIGHT SATURDAY NIGHT INTO SUNDAY. * TOTAL SNOW ACCUMULATIONS...6 TO 10 INCHES FOR LOWER ELEVATIONS AND VALLEYS AND 10 TO 14 INCHES FOR THE SOUTHERN LARAMIE RANGE. * WINDS/VISIBILITY...NORTHEAST WINDS 15 TO 25 MPH AND GUSTY SATURDAY AFTERNOON AND EVENING. THESE WINDS WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW. VISIBILITIES WILL BE REDUCED TO A HALF MILE OR LESS AT TIMES. * IMPACTS...MOSTLY TO TRAVEL DUE TO FALLING...BLOWING AND DRIFTING SNOW. TRAVEL WILL BECOME VERY HAZARDOUS...ESPECIALLY ALONG INTERSTATE 80 FROM ARLINGTON TO CHEYENNE SATURDAY AND SATURDAY NIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ101-103>109-111-211315- /O.CON.KCYS.WW.Y.0005.150221T1200Z-150222T1800Z/ CONVERSE COUNTY LOWER ELEVATIONS-NORTH LARAMIE RANGE- FERRIS/SEMINOE/SHIRLEY MOUNTAINS-SHIRLEY BASIN- CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- EAST PLATTE COUNTY-GOSHEN COUNTY-CENTRAL CARBON COUNTY- SOUTHWEST CARBON COUNTY- INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...MUDDY GAP... MEDICINE BOW...BORDEAUX...GLENDO...WHEATLAND...CHUGWATER... GUERNSEY...TORRINGTON...RAWLINS...SINCLAIR...HANNA...BAGGS... DIXON 1006 PM MST FRI FEB 20 2015 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 AM SATURDAY TO 11 AM MST SUNDAY... * TIMING...SNOW WILL BECOME WIDESPREAD BY SATURDAY MORNING. THE SNOW WILL BE MODERATE AT TIMES SATURDAY AFTERNOON AND WILL TAPER OFF SATURDAY NIGHT. * TOTAL SNOW ACCUMULATIONS...3 TO 6 INCHES FOR LOWER ELEVATIONS AND 6 TO 9 INCHES FOR THE NORTH AND CENTRAL LARAMIE RANGE. * WINDS/VISIBILITY...NORTHEAST WINDS 15 TO 25 MPH SATURDAY AFTERNOON AND EVENING. THESE WINDS WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW WHICH WILL REDUCE VISIBILITIES TO LESS THAN A MILE AT TIMES. * IMPACTS...MAINLY TO TRANSPORTATION. ROADS WILL BECOME SNOW COVERED AND SLICK. 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. && $$ NEZ020-054-055-211315- /O.CON.KCYS.WW.Y.0005.150221T1800Z-150222T1800Z/ BANNER-KIMBALL-CHEYENNE- INCLUDING THE CITIES OF...HARRISBURG...KIMBALL...SIDNEY 1006 PM MST FRI FEB 20 2015 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 AM SATURDAY TO 11 AM MST SUNDAY... * TIMING...SNOW WILL DEVELOP BY SATURDAY AFTERNOON. THE SNOW WILL BE MODERATE AT TIMES SATURDAY AFTERNOON AND THEN WILL TAPER OFF SATURDAY NIGHT. * TOTAL SNOW ACCUMULATIONS...2 TO 5 INCHES. * WINDS/VISIBILITY...NORTHEAST WINDS 15 TO 25 MPH SATURDAY AFTERNOON AND EVENING. THESE WINDS WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW WHICH WILL REDUCE VISIBILITIES TO LESS THAN A MILE AT TIMES. * IMPACTS...MAINLY TO TRANSPORTATION. ROADS WILL BECOME SNOW COVERED AND SLICK. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS. && $$
887 WWUS45 KCYS 211101 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 401 AM MST SAT FEB 21 2015 ...WINTER STORM WARNINGS IN EFFECT ALONG THE INTERSTATE 80 CORRIDOR IN SOUTHEAST WYOMING... ...WINTER WEATHER ADVISORIES IN EFFECT FOR PORTIONS OF SOUTHEAST WYOMING AND THE SOUTHERN NEBRASKA PANHANDLE... .AN ARCTIC COLD FRONT WILL MOVE ACROSS THE AREA THIS MORNING. NORTHEAST FLOW BEHIND THE FRONT WILL COMBINE WITH ABUNDANT MOISTURE AND UPPER LEVEL LIFT TO PRODUCE SNOWFALL. THE HEAVIEST SNOW WILL MAINLY OCCUR ALONG AND SOUTH OF INTERSTATE 80 MAINLY THIS AFTERNOON AND EVENING. WYZ112>114-220000- /O.EXT.KCYS.WS.W.0004.000000T0000Z-150222T1200Z/ SIERRA MADRE RANGE-UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE- INCLUDING THE CITIES OF...SARATOGA...ENCAMPMENT...RIVERSIDE... CENTENNIAL...ALBANY...WOODS LANDING 401 AM MST SAT FEB 21 2015 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 5 AM MST SUNDAY... * TIMING...MAINLY THIS AFTERNOON AND EVENING WITH SNOW TAPERING OFF LATE THIS EVENING INTO SUNDAY. * TOTAL SNOW ACCUMULATIONS...4 TO 8 INCHES FOR LOWER ELEVATIONS AND VALLEYS NEAR SARATOGA AND 15 TO 20 INCHES FOR THE SNOWY AND SIERRA MADRE RANGES. * WINDS/VISIBILITY...NORTHEAST WINDS 10 TO 20 MPH AND GUSTY SATURDAY AND SATURDAY NIGHT WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW. VISIBILITIES WILL BE REDUCED TO A HALF MILE OR LESS AT TIMES. * IMPACTS...MOSTLY TO TRAVEL DUE TO FALLING...BLOWING AND DRIFTING SNOW. TRAVEL WILL BECOME VERY HAZARDOUS. 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. && $$ WYZ110-115>119-220000- /O.EXT.KCYS.WS.W.0004.150221T1500Z-150222T1200Z/ NORTH SNOWY RANGE FOOTHILLS-LARAMIE VALLEY-SOUTH LARAMIE RANGE- SOUTH LARAMIE RANGE FOOTHILLS-CENTRAL LARAMIE COUNTY- EAST LARAMIE COUNTY- INCLUDING THE CITIES OF...ARLINGTON...ELK MOUNTAIN...LARAMIE... VEDAUWOO...BUFORD...PUMPKIN VINE...HORSE CREEK...HARRIMAN... WHITAKER...CHEYENNE...BURNS...CARPENTER...ALBIN...PINE BLUFFS 401 AM MST SAT FEB 21 2015 ...WINTER STORM WARNING NOW IN EFFECT FROM 8 AM THIS MORNING TO 5 AM MST SUNDAY... * TIMING...SNOW BECOMING WIDESPREAD BY LATE THIS MORNING THROUGH SATURDAY EVENING. PERIODS OF HEAVIER SNOW SHOULD OCCUR MAINLY THIS AFTERNOON INTO THIS EVENING. * TOTAL SNOW ACCUMULATIONS...6 TO 8 INCHES FOR LOWER ELEVATIONS AND VALLEYS AND 8 TO 12 INCHES FOR THE SOUTHERN LARAMIE RANGE. * WINDS/VISIBILITY...NORTHEAST WINDS 10 TO 15 MPH WITH SOME LOCAL GUSTS THIS AFTERNOON AND EVENING. VISIBILITIES WILL BE REDUCED TO A HALF MILE OR LESS AT TIMES. * IMPACTS...MOSTLY TO TRAVEL DUE TO FALLING...BLOWING AND DRIFTING SNOW. TRAVEL WILL BECOME VERY HAZARDOUS...ESPECIALLY ALONG INTERSTATE 80 FROM ARLINGTON TO CHEYENNE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ101-103>109-111-220000- /O.EXT.KCYS.WW.Y.0005.150221T1500Z-150222T1200Z/ CONVERSE COUNTY LOWER ELEVATIONS-NORTH LARAMIE RANGE- FERRIS/SEMINOE/SHIRLEY MOUNTAINS-SHIRLEY BASIN- CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- EAST PLATTE COUNTY-GOSHEN COUNTY-CENTRAL CARBON COUNTY- SOUTHWEST CARBON COUNTY- INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...MUDDY GAP... MEDICINE BOW...BORDEAUX...GLENDO...WHEATLAND...CHUGWATER... GUERNSEY...TORRINGTON...RAWLINS...SINCLAIR...HANNA...BAGGS... DIXON 401 AM MST SAT FEB 21 2015 ...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 8 AM THIS MORNING TO 5 AM MST SUNDAY... * TIMING...SNOW WILL INCREASE THIS MORNING. THE SNOW WILL BE MODERATE AT TIMES THIS AFTERNOON AND WILL TAPER OFF SATURDAY NIGHT. * TOTAL SNOW ACCUMULATIONS...3 TO 6 INCHES FOR LOWER ELEVATIONS AND 6 TO 9 INCHES FOR THE NORTH AND CENTRAL LARAMIE RANGE. * WINDS/VISIBILITY...NORTHEAST WINDS 10 TO 20 MPH THIS AFTERNOON AND EVENING. THESE WINDS MAY CREATE LOCAL AREAS OF BLOWING AND DRIFTING SNOW WHICH WILL REDUCE VISIBILITIES TO LESS THAN A MILE AT TIMES. * IMPACTS...MAINLY TO TRANSPORTATION. ROADS WILL BECOME SNOW COVERED AND SLICK. 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. && $$ NEZ020-054-055-220000- /O.EXT.KCYS.WW.Y.0005.150221T1800Z-150222T1200Z/ BANNER-KIMBALL-CHEYENNE- INCLUDING THE CITIES OF...HARRISBURG...KIMBALL...SIDNEY 401 AM MST SAT FEB 21 2015 ...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 11 AM THIS MORNING TO 5 AM MST SUNDAY... * TIMING...SNOW WILL DEVELOP BY THIS AFTERNOON. THE SNOW WILL BE MODERATE AT TIMES THIS AFTERNOON THEN WILL TAPER OFF SATURDAY NIGHT. * TOTAL SNOW ACCUMULATIONS...2 TO 5 INCHES. * WINDS/VISIBILITY...NORTHEAST WINDS 10 TO 20 MPH THIS AFTERNOON AND EVENING. THESE WINDS WILL CREATE LOCAL AREAS OF BLOWING AND DRIFTING SNOW WHICH WILL REDUCE VISIBILITIES TO LESS THAN A MILE AT TIMES. * IMPACTS...MAINLY TO TRANSPORTATION. ROADS WILL BECOME SNOW COVERED AND SLICK. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS. && $$
972 WWUS45 KCYS 212054 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 154 PM MST SAT FEB 21 2015 ...WINTER STORM WARNINGS REMAIN IN EFFECT ALONG THE INTERSTATE 80 CORRIDOR ACROSS SOUTHEAST WYOMING... ...WINTER WEATHER ADVISORIES IN EFFECT FOR PORTIONS OF SOUTHEAST WYOMING AND THE SOUTHERN NEBRASKA PANHANDLE... .AN ARCTIC COLD FRONT PASSED THROUGH THE AREA LATE THIS MORNING AND WILL PUSH SOUTH INTO COLORADO TONIGHT. NORTHEAST UPSLOPE FLOW BEHIND THE FRONT WILL COMBINE WITH ABUNDANT MOISTURE AND UPPER LEVEL LIFT TO PRODUCE ACCUMULATING SNOWFALL. PERIODS OF MODERATE TO HEAVY SNOW WILL OCCUR MAINLY SOUTH OF INTERSTATE 80 IN SOUTHEAST WYOMING THIS AFTERNOON AND EVENING...WITH LIGHTER AMOUNTS TO THE NORTH AND EAST. THE SNOW WILL DECREASE TONIGHT AND SUNDAY. WYZ112>114-221200- /O.CON.KCYS.WS.W.0004.000000T0000Z-150222T1200Z/ SIERRA MADRE RANGE-UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE- INCLUDING THE CITIES OF...SARATOGA...ENCAMPMENT...RIVERSIDE... CENTENNIAL...ALBANY...WOODS LANDING 154 PM MST SAT FEB 21 2015 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... * TIMING...PERIODS OF MODERATE TO HEAVY SNOW WILL CONTINUE THIS AFTERNOON AND EVENING WITH SNOW DIMINISHING TONIGHT AND SUNDAY. * TOTAL SNOW ACCUMULATIONS...4 TO 8 INCHES FOR LOWER ELEVATIONS AND VALLEYS NEAR SARATOGA AND 8 TO 14 INCHES FOR THE SNOWY AND SIERRA MADRE RANGES. * WINDS/VISIBILITY...NORTHEAST WINDS 15 TO 25 MPH AND GUSTY THIS AFTERNOON AND EVENING WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW. VISIBILITIES WILL BE REDUCED TO A HALF MILE OR LESS AT TIMES. * IMPACTS...MOSTLY TO TRAVEL DUE TO FALLING...BLOWING AND DRIFTING SNOW. TRAVEL WILL BE VERY HAZARDOUS. 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. && $$ WYZ110-115>119-221200- /O.CON.KCYS.WS.W.0004.000000T0000Z-150222T1200Z/ NORTH SNOWY RANGE FOOTHILLS-LARAMIE VALLEY-SOUTH LARAMIE RANGE- SOUTH LARAMIE RANGE FOOTHILLS-CENTRAL LARAMIE COUNTY- EAST LARAMIE COUNTY- INCLUDING THE CITIES OF...ARLINGTON...ELK MOUNTAIN...LARAMIE... VEDAUWOO...BUFORD...PUMPKIN VINE...HORSE CREEK...HARRIMAN... WHITAKER...CHEYENNE...BURNS...CARPENTER...ALBIN...PINE BLUFFS 154 PM MST SAT FEB 21 2015 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... * TIMING...SNOW WILL CONTINUE THIS AFTERNOON AND EVENING. THE SNOW WILL WILL BE MODERATE TO HEAVY AT TIMES...MAINLY SOUTH OF INTERSTATE 80. THE SNOW WILL DIMINISH TONIGHT AND SUNDAY. * TOTAL SNOW ACCUMULATIONS...4 TO 8 INCHES FOR LOWER ELEVATIONS AND VALLEYS AND 8 TO 12 INCHES FOR THE SOUTHERN LARAMIE RANGE. * WINDS/VISIBILITY...NORTHEAST WINDS 15 TO 25 MPH AND GUSTY THIS AFTERNOON AND EVENING WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW. VISIBILITIES WILL BE REDUCED TO A HALF MILE OR LESS AT TIMES. * IMPACTS...MOSTLY TO TRAVEL DUE TO FALLING...BLOWING AND DRIFTING SNOW. TRAVEL WILL BE VERY HAZARDOUS...ESPECIALLY ALONG INTERSTATE 80 FROM ARLINGTON TO CHEYENNE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ101-103>109-111-221200- /O.CON.KCYS.WW.Y.0005.000000T0000Z-150222T1200Z/ CONVERSE COUNTY LOWER ELEVATIONS-NORTH LARAMIE RANGE- FERRIS/SEMINOE/SHIRLEY MOUNTAINS-SHIRLEY BASIN- CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- EAST PLATTE COUNTY-GOSHEN COUNTY-CENTRAL CARBON COUNTY- SOUTHWEST CARBON COUNTY- INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...MUDDY GAP... MEDICINE BOW...BORDEAUX...GLENDO...WHEATLAND...CHUGWATER... GUERNSEY...TORRINGTON...RAWLINS...SINCLAIR...HANNA...BAGGS... DIXON 154 PM MST SAT FEB 21 2015 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... * TIMING...SNOW WILL CONTINUE THIS AFTERNOON AND EVENING. THE SNOW MAY BE MODERATE AT TIMES THIS AFTERNOON. THE SNOW WILL DIMINISH TONIGHT AND SUNDAY. * TOTAL SNOW ACCUMULATIONS...2 TO 4 INCHES FOR LOWER ELEVATIONS AND 4 TO 8 INCHES FOR THE NORTH AND CENTRAL LARAMIE RANGE. * WINDS/VISIBILITY...NORTHEAST WINDS 15 TO 25 MPH AND GUSTY THIS AFTERNOON AND EARLY EVENING. THESE WINDS WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW WHICH WILL REDUCE VISIBILITIES TO LESS THAN A MILE AT TIMES. * IMPACTS...MAINLY TO TRANSPORTATION. ROADS WILL BE SNOW COVERED AND SLICK. 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. && $$ NEZ020-054-055-221200- /O.CON.KCYS.WW.Y.0005.000000T0000Z-150222T1200Z/ BANNER-KIMBALL-CHEYENNE- INCLUDING THE CITIES OF...HARRISBURG...KIMBALL...SIDNEY 154 PM MST SAT FEB 21 2015 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... * TIMING...SNOW WILL CONTINUE THIS AFTERNOON AND EVENING. THE SNOW MAY BE MODERATE AT TIMES THIS AFTERNOON. THE SNOW WILL DIMINISH TONIGHT AND SUNDAY. * TOTAL SNOW ACCUMULATIONS...2 TO 4 INCHES. * WINDS/VISIBILITY...NORTHEAST WINDS 15 TO 25 MPH AND GUSTY THIS AFTERNOON AND EARLY EVENING. THESE WINDS WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW WHICH WILL REDUCE VISIBILITIES TO LESS THAN A MILE AT TIMES. * IMPACTS...MAINLY TO TRANSPORTATION. ROADS WILL BE SNOW COVERED AND SLICK. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS. && $$ JAMSKI
658 WWUS45 KCYS 220041 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 541 PM MST SAT FEB 21 2015 ...COLD WITH LIGHT SNOW CONTINUING THROUGH TONIGHT FOR PORTIONS OF SOUTHEAST WYOMING AND NEBRASKA PANHANDLE... .SNOW WILL BECOME LIGHT THIS EVENING AS AN UPPER LEVEL DISTURBANCE SHIFTS SOUTHWARD INTO COLORADO. SNOW ACCUMULATIONS OUTSIDE OF THE MOUNTAINS WILL BE LIGHT...WITH 1 TO 2 INCHES EXPECTED NEAR THE COLORADO AND WYOMING BORDER WITH LESSER AMOUNTS FARTHER NORTH. COLD WIND CHILLS AND ICY ROADS WILL BE FOUND ACROSS MUCH OF THE AREA THROUGH TONIGHT. WYZ110-113-115>119-221200- /O.CAN.KCYS.WS.W.0004.000000T0000Z-150222T1200Z/ /O.EXA.KCYS.WW.Y.0005.000000T0000Z-150222T1200Z/ NORTH SNOWY RANGE FOOTHILLS-UPPER NORTH PLATTE RIVER BASIN- LARAMIE VALLEY-SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS- CENTRAL LARAMIE COUNTY-EAST LARAMIE COUNTY- INCLUDING THE CITIES OF...ARLINGTON...ELK MOUNTAIN...SARATOGA... ENCAMPMENT...RIVERSIDE...LARAMIE...VEDAUWOO...BUFORD... PUMPKIN VINE...HORSE CREEK...HARRIMAN...WHITAKER...CHEYENNE... BURNS...CARPENTER...ALBIN...PINE BLUFFS 541 PM MST SAT FEB 21 2015 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM MST SUNDAY... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL 5 AM MST SUNDAY. THE WINTER STORM WARNING HAS BEEN CANCELLED. * TIMING...LIGHT SNOW WILL CONTINUE TONIGHT. * TOTAL SNOW ACCUMULATIONS...ADDITIONAL SNOW AMOUNTS TONIGHT WILL BE IN THE 1 TO 2 INCH RANGE WITH TOTAL ACCUMULATIONS MAINLY 3 TO 5 INCHES. SLIGHTLY HIGHER AMOUNTS WILL OCCUR IN THE SOUTHERN LARAMIE RANGE. * WINDS/VISIBILITY...NORTHEAST WINDS 15 TO 25 MPH AND FALLING SNOW WILL REDUCE VISIBILITIES TO AROUND ONE HALF MILE AT TIMES EARLY THIS EVENING...BUT VISIBILITIES WILL IMPROVE AS SNOW BECOMES LIGHT AND WINDS DECREASE THROUGH THE NIGHT. * IMPACTS...MAINLY TO TRANSPORTATION. ROADS WILL BE SNOW COVERED AND SLICK. 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. && $$ WYZ101-106>108-220145- /O.CAN.KCYS.WW.Y.0005.000000T0000Z-150222T1200Z/ CONVERSE COUNTY LOWER ELEVATIONS- CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- EAST PLATTE COUNTY-GOSHEN COUNTY- INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...BORDEAUX... GLENDO...WHEATLAND...CHUGWATER...GUERNSEY...TORRINGTON 541 PM MST SAT FEB 21 2015 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS CANCELLED THE WINTER WEATHER ADVISORY. WHILE SOME LIGHT SNOW IS STILL EXPECTED TONIGHT...ADDITIONAL ACCUMULATIONS WILL BE 1 INCH OR LESS. TRAVELERS SHOULD STILL BE CAUTIOUS OF SLIPPERY SNOW COVERED ROADS AND BLACK ICE TONIGHT. $$ WYZ112-114-221200- /O.CON.KCYS.WS.W.0004.000000T0000Z-150222T1200Z/ SIERRA MADRE RANGE-SNOWY RANGE- INCLUDING THE CITIES OF...CENTENNIAL...ALBANY...WOODS LANDING 541 PM MST SAT FEB 21 2015 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... * TIMING...PERIODS OF MODERATE TO HEAVY SNOW WILL CONTINUE THROUGH THIS EVENING WITH SNOW DIMINISHING LATE TONIGHT INTO SUNDAY. * TOTAL SNOW ACCUMULATIONS...8 TO 14 INCHES. * WINDS/VISIBILITY...EASTERLY WINDS 15 TO 25 MPH WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW. VISIBILITIES WILL BE REDUCED TO A HALF MILE OR LESS AT TIMES. * IMPACTS...MOSTLY TO TRAVEL DUE TO FALLING...BLOWING AND DRIFTING SNOW. TRAVEL WILL BE VERY HAZARDOUS. 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. && $$ NEZ020-054-055-WYZ103>105-109-111-221200- /O.CON.KCYS.WW.Y.0005.000000T0000Z-150222T1200Z/ BANNER-KIMBALL-CHEYENNE-NORTH LARAMIE RANGE- FERRIS/SEMINOE/SHIRLEY MOUNTAINS-SHIRLEY BASIN- CENTRAL CARBON COUNTY-SOUTHWEST CARBON COUNTY- INCLUDING THE CITIES OF...HARRISBURG...KIMBALL...SIDNEY... MUDDY GAP...MEDICINE BOW...RAWLINS...SINCLAIR...HANNA...BAGGS... DIXON 541 PM MST SAT FEB 21 2015 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY... * TIMING...LIGHT SNOW WILL CONTINUE THIS EVENING BUT WILL GENERALLY TAPER OFF BY LATE TONIGHT. * TOTAL SNOW ACCUMULATIONS...2 TO 4 INCHES FOR LOWER ELEVATIONS OF SOUTHEAST WYOMING AND FAR SOUTHERN NEBRASKA PANHANDLE. 4 TO 8 INCHES INTO THE NORTHERN LARAMIE RANGE IN SOUTHEAST WYOMING. * WINDS/VISIBILITY...NORTHEAST WINDS 15 TO 25 MPH AND GUSTY THIS EARLY EVENING. THESE WINDS WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW WHICH WILL REDUCE VISIBILITIES TO LESS THAN A MILE AT TIMES. WINDS WILL DECREASE AND BECOME LIGHT OVERNIGHT. * IMPACTS...MAINLY TO TRANSPORTATION. ROADS WILL BE SNOW COVERED AND SLICK. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS. && $$
830 WWUS45 KCYS 221037 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 337 AM MST SUN FEB 22 2015 WYZ112-114-221145- /O.CAN.KCYS.WS.W.0004.000000T0000Z-150222T1200Z/ SIERRA MADRE RANGE-SNOWY RANGE- INCLUDING THE CITIES OF...CENTENNIAL...ALBANY...WOODS LANDING 337 AM MST SUN FEB 22 2015 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS CANCELLED THE WINTER STORM WARNING. SCATTERED SNOW SHOWERS WILL OCCUR OVER THE AREA TODAY BUT ADDITIONAL SNOWFALL AMOUNTS ARE EXPECTED TO BE LIGHT. $$ NEZ020-054-055-WYZ103>105-109>111-113-115>119-221145- /O.CAN.KCYS.WW.Y.0005.000000T0000Z-150222T1200Z/ BANNER-KIMBALL-CHEYENNE-NORTH LARAMIE RANGE- FERRIS/SEMINOE/SHIRLEY MOUNTAINS-SHIRLEY BASIN- CENTRAL CARBON COUNTY-NORTH SNOWY RANGE FOOTHILLS- SOUTHWEST CARBON COUNTY-UPPER NORTH PLATTE RIVER BASIN- LARAMIE VALLEY-SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS- CENTRAL LARAMIE COUNTY-EAST LARAMIE COUNTY- INCLUDING THE CITIES OF...HARRISBURG...KIMBALL...SIDNEY... MUDDY GAP...MEDICINE BOW...RAWLINS...SINCLAIR...HANNA... ARLINGTON...ELK MOUNTAIN...BAGGS...DIXON...SARATOGA... ENCAMPMENT...RIVERSIDE...LARAMIE...VEDAUWOO...BUFORD... PUMPKIN VINE...HORSE CREEK...HARRIMAN...WHITAKER...CHEYENNE... BURNS...CARPENTER...ALBIN...PINE BLUFFS 337 AM MST SUN FEB 22 2015 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS CANCELLED THE WINTER WEATHER ADVISORY. SNOW HAS ENDED OVER MOST OF THE AREA EARLY THIS MORNING. SCATTERED FLURRIES ARE STILL LIKELY MAINLY NEAR THE COLORADO BORDER TODAY BUT ADDITIONAL SNOWFALL IS EXPECTED TO BE VERY LIGHT. $$
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 19, 10:54 PM MST, 2 hours 58 minutes earlier.
Area forecast discussion, Feb 19, 10:54 PM MST, 2 hours 58 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHEYENNE WY
1054 PM MST THU FEB 19 2015
.UPDATE...
ISSUED AT 908 PM MST THU FEB 19 2015
MODELS CONTINUE TO EVOLVE WITH THE PROGRESSION OF THE WINTER
SYSTEM THIS WEEKEND. WAITING TO SEE THE LATEST GFS BUT BETWEEN THE
00Z NAM AND 12Z ECMWF IT LOOKS LIKE THE MAIN SNOW EVENT FOR
SOUTHEAST WYOMING WILL OCCUR SATURDAY INTO SATURDAY NIGHT. CURRENT
WINTER STORM WATCH IS OVER A 48 HOUR TIME FRAME WHICH WILL LIKELY
NEED TO BE ADJUSTED AS THE MAIN TIME FRAME FOR ANY SIGNIFICANT
SNOW ACCUMULATIONS WILL BE OVER A SHORTER TIME FRAME. OF COURSE
WITH THE MODELS NOT SHOWING MUCH CONSISTENCY IT IS TOUGH TO PIN
THAT TIME FRAME DOWN. EVEN THROUGH THE GFS IS SHOWING AROUND .8
INCHES OF QPF WITH THIS STORM SYSTEM...THE MAIN UPPER LEVEL
FORCING WILL BE WELL SOUTH OF THE FORECAST AREA INTO CENTRAL
COLORADO AS INDICATED BY THE PLACEMENT OF 300 TO 500 MB NEG DIVQ.
HEAVIER SNOW BANDS IN SOUTHEAST WYOMING WILL HAVE TO BE DUE TO
INSTABILITY WHICH IS POSSIBLE GIVEN NEGATIVE SATURATED
GEOPOTENTIAL VORTICITY VALUES SATURDAY. CONFIDENCE AT THIS TIME IS
NOT HIGH FOR SNOW ACCUMULATIONS OCCUR OVER SOUTHEAST WYOMING AS
THE MAIN SNOW EVENT AT THIS TIME APPEARS TO BE JUST SOUTH OF THE
FORECAST AREA.
&&
.SHORT TERM...(THIS EVENING THROUGH SATURDAY NIGHT)
ISSUED AT 325 PM MST THU FEB 19 2015
AFTERNOON WATER VAPOR LOOP DEPICTED A NORTHWEST FLOW ALOFT BETWEEN
A DEEP TROUGH OVER THE EASTERN CONUS AND A SHORTWAVE TROUGH MOVING
THROUGH WA/OR. AT THE SURFACE...A WARM FRONT EXTENDED NORTH TO SOUTH
ACROSS THE HIGH PLAINS. GUSTY DOWNSLOPE WEST TO NORTHWEST WINDS
CONTRIBUTED TO UNSEASONABLY MILD TEMPERATURES IN THE 40S AND 50S.
FORECAST CHALLENGES WILL FOCUS ON SIGNIFICANT SNOWFALL POTENTIAL
ACROSS PORTIONS OF SOUTHEAST WYOMING AND COLDER TEMPERATURES.
LATEST MODEL GUIDANCE MAINTAINS GOOD CONTINUITY WITH PREVIOUS
CYCLES PROGGING THE UPPER SHORTWAVE TO THE NORTHWEST TO EXPAND AS
IT SPREADS SOUTH AND EAST ACROSS THE GREAT BASIN AND CENTRAL
ROCKIES DURING THE NEXT 48 HRS. LEADING EDGE OF MUCH COLDER AIR
FROM CANADA SETTLES SOUTH ACROSS THE REGION LATE FRIDAY AND STALLS
OVER CENTRAL COLORADO SATURDAY. MIXED PRECIPITATION DEVELOPS
FRIDAY MORNING WEST OF A CHADRON TO LARAMIE LINE...CHANGES TO RAIN
FRIDAY AFTERNOON... THEN TO ALL SNOW FRIDAY EVENING. SNOW
INCREASES IN COVERAGE AND INTENSITY SATURDAY MORNING AS DEPTH OF
COLD AIR INCREASES COMBINED WITH UPSLOPE NORTHEAST FLOW AND Q-G
LIFT. MODELS HAVE BEEN CONSISTENT THE PAST FEW DAYS PROGGING THE
HEAVIEST SNOWFALL IN NORTH/CENTRAL COLORADO...WITH THE NORTHERN
FRINGE AFFECTING THE INTERSTATE 80 CORRIDOR ACROSS SOUTHEAST
WYOMING. AT THIS TIME...SNOWFALL PROJECTIONS THROUGH SATURDAY
NIGHT RANGE FROM 3-6 INCHES ALONG A RAWLINS TO CHEYENNE
LINE...7-11 INCHES SOUTHERN LARAMIE RANGE...AND 12-16 INCHES
SNOWY/SIERRA MADRES. LATER SHIFTS WILL BE REFINING THESE ACCUMULATIONS
WITH NEW MODEL DATA. GUSTY NORTHEAST WINDS OF 20 TO 30 MPH WILL
PRODUCE DIFFICULT TRAVEL DUE TO BLOWING/DRIFTING SNOW AND POOR
VISIBILITIES. ISSUED A WINTER STORM WATCH FOR THE INTERSTATE 80
CORRIDOR FROM ARLINGTON TO THE WYOMING/NEBRASKA BORDER FROM LATE
FRIDAY AFTERNOON THRU LATE SUNDAY AFTERNOON.
TEMPERATURES FRIDAY WILL BE ABOUT 10 DEGREES COOLER THAN TODAY
WITH HIGHS IN THE 30S AND 40S PRIOR TO THE COLD FRONTAL PASSAGE.
MUCH COLDER TEMPERATURES ARRIVE SATURDAY AND SATURDAY NIGHT. HIGHS
SATURDAY WILL ONLY REACH THE TEENS AND 20S. LOWS SATURDAY NIGHT
WILL PLUMMET INTO THE SINGLE DIGITS ABOVE ZERO WITH WIND CHILLS IN
THE SINGLE DIGITS AND TEENS BELOW ZERO.
.LONG TERM...(FRIDAY NIGHT THROUGH THURSDAY)
ISSUED AT 209 PM MST THU FEB 19 2015
SUNDAY:
THE MAIN CONCERN WITH THIS PORTION OF THE FORECAST PACKAGE IS THE
POSITION OF THE UPPER LEVEL JET. THE MODELS ARE STILL LEANING TOWARDS
KEEPING THE RIGHT ENTRANCE REGION OF THE JET STREAK IN NORTHERN
COLORADO AND CENTRAL COLORADO. AS A RESULT...THIS SHOULD KEEP THE
BULK OF THE SNOW IN THAT REGION. WE MAY STILL SEE SOME UPSLOPE
FLOW WHICH MAY CONTRIBUTE TO SOME ADDITIONAL LIGHT SNOWFALL. ALTHOUGH...
INSTABILITY PARAMETERS LOOK TO BE FAIRLY WEAK...WE MAY STILL ADDITIONAL
SNOWFALL AMOUNTS AROUND 1 TO 2 INCHES WITH HIGHER AMOUNTS IN THE
MOUNTAINS.
SUNDAY NIGHT:
THE SNOW SHOULD BEGIN TO TAPER OFF ON SUNDAY EVENING AS THE BULK OF
THE LIFT REMAINS IN COLORADO. HOWEVER...AREAS ALONG THE I-80 CORRIDOR
MAY BECOME SANDWICHED BETWEEN THE STRONG SURFACE HIGH IN THE NORTHEAST
WYOMING AND THE SURFACE LOW IN COLORADO. AS A RESULT... WE MAY SEE
THE SURFACE FLOW TURN TO THE SOUTH. THIS MAY RESULT...IN LOW CLOUDS
AND FOG DEVELOPMENT ALONG THE CHEYENNE RIDGE. THIS MAY KEEP CHEYENNE
FROM DROPPING BELOW ZERO. HOWEVER...THERE MAY BE SOME LOCATIONS NORTH
OF THE CHEYENNE RIDGE THAT MAY CLEAR OUT AND SEE TEMPERATURES DROP
INTO SINGLE DIGITS BELOW ZERO DEPENDING ON HOW MUCH SNOW THEY RECEIVE.
MONDAY-TUESDAY NIGHT:
WE DID DROP TEMPERATURES SEVERAL DEGREES ON MONDAY FROM THE CONSENSUS
MODELS DUE TO THE POTENTIAL FOR CLOUD COVER ALONG THE I-80 CORRIDOR
AND SNOW COVER. OTHERWISE...WE SHOULD SEE A WARMING TREND DURING THE
NEXT COUPLE OF DAYS BEFORE THE NEXT SHORTWAVE MOVES INTO THE PICTURE
LATER IN THE WEEK.
WEDNESDAY-THURSDAY:
12Z GFS AND ECMWF RUNS BOTH DEPICT ANOTHER ROUND OF SNOW POSSIBLE
FOR SOUTHEAST WYOMING AND THE WESTERN NEBRASKA PANHANDLE LATE WEDNESDAY
THROUGH THE DAY NEXT THURSDAY AS A COLD FRONT MOVES DOWN THE EAST
SIDE OF THE LARAMIE RANGE. FOR THIS PACKAGE WE ARE CARRYING CHANCE
POPS FOR SNOW WEDNESDAY NIGHT THROUGH THURSDAY...AND RIGHT NOW IT
LOOKS LIKE THE BEST CHANCE OF SNOW WOULD BE DURING THE DAY ON THURSDAY
BASED ON LATEST MODEL TRENDS. SOMETIMES WITH A SURFACE BOUNDARY
INVOLVED...THE MODELS CAN UNDER-DO POPS A BIT IN THE EXTENDED...SO
KEEPING THAT IN MIND WE MAY END UP TRENDING POPS UP A BIT ON
SUBSEQUENT FORECASTS FOR MID TO LATE NEXT WEEK. OTHERWISE...IT
WILL BE A BIT WARMER ON WEDNESDAY AHEAD OF THE FRONT WITH HIGHS
PUSHING 40 DEGREES AT MOST LOWER ELEVATION SITES WITH WESTERLY
DOWNSLOPE WINDS...BUT TEMPS TREND BACK DOWN THURSDAY AND THURSDAY
NIGHT WITH HIGHS AT OR BELOW FREEZING...AND OVERNIGHT LOWS IN THE
SINGLE DIGITS TO LOWER TEENS. TEMPS COULD END UP BEING COOLER FOR
THURSDAY IF WE GET MORE SNOW THAN CURRENTLY FORECASTED.
&&
.AVIATION...(FOR THE 06Z TAFS THROUGH 06Z FRIDAY NIGHT)
ISSUED AT 1049 PM MST THU FEB 19 2015
NO AVIATION CONCERNS TONIGHT WITH ONLY HIGH CLOUDS AND LIGHT WINDS
ACROSS THE AREA BUT THAT WILL CHANGE FRIDAY AS UPPER LEVEL ENERGY
AND A COLD FRONT MOVE ACROSS THE REGION. RAIN SHOWERS WILL
DEVELOP OVER LOWER ELEVATIONS FRIDAY AFTERNOON WITH SNOW SHOWERS
INTO THE MOUNTAINS. RAIN WILL QUICKLY CHANGE TO SNOW LATE
AFTERNOON AND EVENING BUT MOST PRECIPITATION WILL BE SCATTERED IN
NATURE INTO FRIDAY NIGHT WITH THE EXCEPTION OF THE HIGHER
MOUNTAINS IN SOUTHEAST WYOMING WHERE LIGHT SNOW WILL PERSIST.
CEILINGS WILL DROP ACROSS THE AREA LATE FRIDAY INTO FRIDAY
NIGHT...EVEN WHERE SNOW IS NOT FALLING PRODUCING WIDESPREAD IFR TO
MVFR. MOUNTAINS WILL BECOME OBSCURED. CHANCES FOR SNOW WILL
CONTINUE INTO SATURDAY WITH WIDESPREAD SNOW EXPECTED IN SOUTHEAST
WYOMING AND NEBRASKA PANHANDLE...ESPECIALLY ALONG THE INTERSTATE
80 CORRIDOR.
&&
.FIRE WEATHER...
ISSUED AT 209 PM MST THU FEB 19 2015
GUSTY WESTERLY WINDS WILL CONTINUE THIS AFTERNOON WITH MINIMUM
HUMIDITIES FROM 15 TO 25 PERCENT DOWNWIND OF THE LARAMIE RANGE IN
SOUTHEAST WYOMING. A COLD FRONT WILL MOVE SOUTH THROUGH SOUTHEAST
WYOMING FRIDAY. GUSTY WEST WINDS WILL SHIFT TO THE NORTH AND DIMINISH
SLIGHTLY BEHIND THE FRONT. RAIN WILL DEVELOP LATE IN THE MORNING...
CHANGING TO SNOW LATE IN THE AFTERNOON WHEN COLDER TEMPERATURES ARRIVE.
PERIODS OF LIGHT TO MODERATE SNOW WILL CONTINUE FRIDAY NIGHT WITH
SEVERAL INCHES EXPECTED THIS WEEKEND.
&&
.CYS WATCHES/WARNINGS/ADVISORIES...
WY...WINTER STORM WATCH FROM FRIDAY AFTERNOON THROUGH SUNDAY
AFTERNOON FOR WYZ110-112>119.
NE...NONE.
&&
UPDATE...SML
SHORT TERM...MJ
LONG TERM...REC/JG
AVIATION...SML
FIRE WEATHER...MJHazardous weather outlook, Feb 19, 2:45 PM MST, 11 hours 7 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE CHEYENNE WY 245 PM MST THU FEB 19 2015 NEZ002-003-019>021-054-055-095-096-WYZ101>119-202145- DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE- NORTH SIOUX-SOUTH 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-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- 245 PM MST THU FEB 19 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WESTERN NEBRASKA...EAST CENTRAL WYOMING...SOUTH CENTRAL WYOMING AND SOUTHEAST WYOMING. .DAY ONE...THIS AFTERNOON AND TONIGHT .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY ACCUMULATING SNOW IS EXPECTED FOR MUCH OF THE AREA FROM FRIDAY NIGHT THROUGH SUNDAY. THERE IS THE POTENTIAL FOR SIGNIFICANT ACCUMULATIONS OF SNOW ACROSS PORTIONS OF SOUTHEAST WYOMING...MAINLY ALONG AND SOUTH OF INTERSTATE 80. A WINTER STORM WATCH IS IN EFFECT FOR THESE AREAS. MUCH COLDER TEMPERATURES ARE FORECAST SUNDAY THROUGH MONDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE REQUIRED THROUGH TONIGHT. JAMSKI
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 20, 1:47 PM MST | Winter Weather Advisory | CYS | Albany, Carbon, Converse, Goshen, Laramie, Platte | 38 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.