Alert archive / Wyoming / Winter Storm Warnings in 2016
Winter Storm Warning 7, NWS Cheyenne, WY
NWS Cheyenne, WY issued this winter storm warning at Mar 17, 2016, 2:50 AM MDT for Albany County, Carbon County, Laramie County, Wyoming. It was in force for 31 hr. 12 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Mar 17, 2016, 2:50 AM MDT (08:50 UTC)
- Expired
- Mar 18, 2016, 9:28 AM MDT
- In force
- 31 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 08:53 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 18, 6:00 AM MDT | SNOW 3 | 2 Ene Cheyenne, WY | .17 SWE. REPORT FROM COCORAHS. |
| Mar 18, 6:00 AM MDT | SNOW 3 | 2 Ene Cheyenne, WY | REPORT FROM COCORAHS |
| Mar 18, 6:15 AM MDT | SNOW 3 | 17 Wnw Cheyenne, WY | REPORT FROM COCORAHS. |
| Mar 18, 6:15 AM MDT | SNOW 3 | 1 Nw Cheyenne, WY | .12 SWE. REPORT FROM COCORAHS |
| Mar 18, 7:00 AM MDT | SNOW 3.5 | 7 Se Burns, WY | .15 SWE. REPORT FROM COCORAHS |
| Mar 18, 7:00 AM MDT | SNOW 6.8 | Elk Mountain, WY | .36 SWE. REPORT FROM COCORAHS |
| Mar 18, 7:00 AM MDT | SNOW 13 | 21 Wsw Cheyenne, WY | .84 SWE. REPORT FROM COCORAHS. |
| Mar 18, 8:00 AM MDT | SNOW 2.5 | 3 Nnw Cheyenne, WY | .22 SWE. REPORT FROM COCORAHS. |
| Mar 18, 8:00 AM MDT | SNOW 3.2 | 2 Nne Cheyenne, WY | 0.16 SWE. REPORT FROM COCORAHS. |
| Mar 18, 8:00 AM MDT | SNOW 3.3 | 2 W Cheyenne, WY | REPORT FROM COCORAHS. |
| Mar 18, 8:00 AM MDT | SNOW 3.6 | 1 N Rawlins, WY | |
| Mar 18, 8:00 AM MDT | SNOW 12 | Buford, WY | .84 SWE. |
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, 8.8 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
- 2843 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 42 m²/s²
- 0-3 km storm-relative helicity
- 159 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
103 WWUS45 KCYS 170850 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 250 AM MDT THU MAR 17 2016 ...SNOW TO CONTINUE ACROSS PORTIONS OF SOUTHEAST WYOMING THROUGH FRIDAY AFTERNOON... .SNOW WILL BE HEAVY AT TIMES THIS MORNING AND WILL CONTINUE INTO FRIDAY AFTERNOON AS A NEARLY STATIONARY BOUNDARY WILL BE IN PLACE ALONG IN THE INTERSTATE 80 CORRIDOR. GENERALLY 4 TO 8 INCHES OF SNOW IS EXPECTED WHILE A FOOT OR MORE OF SNOW IS EXPECTED ACROSS THE SOUTHERN LARAMIE RANGE BETWEEN CHEYENNE AND LARAMIE. WYZ119-171000- /O.CAN.KCYS.WS.A.0005.160318T0000Z-160319T0000Z/ EAST LARAMIE COUNTY- INCLUDING THE CITY OF...PINE BLUFFS 250 AM MDT THU MAR 17 2016 ...WINTER STORM WATCH IS CANCELLED... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS CANCELLED THE WINTER STORM WATCH. ONLY LIGHT SNOW ACCUMULATION ARE EXPECTED TODAY THROUGH TOMORROW. $$ WYZ110-115>117-172300- /O.UPG.KCYS.WS.A.0005.160318T0000Z-160319T0000Z/ /O.NEW.KCYS.WS.W.0007.160317T0850Z-160319T0000Z/ NORTH SNOWY RANGE FOOTHILLS-LARAMIE VALLEY-SOUTH LARAMIE RANGE- SOUTH LARAMIE RANGE FOOTHILLS- INCLUDING THE CITIES OF...ARLINGTON...ELK MOUNTAIN...BOSLER... LARAMIE...BUFORD...PUMPKIN VINE...VEDAUWOO...WHITAKER...FEDERAL... HORSE CREEK 250 AM MDT THU MAR 17 2016 ...WINTER STORM WARNING IN EFFECT UNTIL 6 PM MDT FRIDAY... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT UNTIL 6 PM MDT FRIDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...UNTIL 6 PM MDT FRIDAY. * TOTAL SNOW ACCUMULATIONS...GENERALLY 6 TO 10 INCHES...HOWEVER... HIGHER AMOUNTS ARE EXPECTED OVER THE INTERSTATE 80 SUMMIT BETWEEN CHEYENNE AND LARAMIE WHERE 10 TO 15 INCHES OF SNOW IS EXPECTED. * WINDS/VISIBILITY...NORTH WINDS AROUND 10 TO 20 MPH THROUGH THIS AFTERNOON...BECOMING NORTHEAST 5 TO 15 MPH TONIGHT AND FRIDAY. VISIBILITIES WILL BE REDUCED TO UNDER ONE MILE AT TIMES IN MODERATE TO HEAVY SNOW. * IMPACTS...TRAVEL MAY BECOME VERY HAZARDOUS WITH SLICK AND SNOW COVERED ROADS AND LOW VISIBILITIES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ118-172300- /O.UPG.KCYS.WS.A.0005.160318T0000Z-160319T0000Z/ /O.EXB.KCYS.WW.Y.0015.000000T0000Z-160319T0000Z/ CENTRAL LARAMIE COUNTY- INCLUDING THE CITY OF...CHEYENNE 250 AM MDT THU MAR 17 2016 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 PM MDT FRIDAY... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL 6 PM MDT FRIDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...6 PM MDT THURSDAY UNTIL 6 PM MDT FRIDAY. * TOTAL SNOW ACCUMULATIONS...3 TO 5 INCHES. * WINDS/VISIBILITY...NORTH WINDS 5 TO 15 MPH...BECOMING NORTHEAST THURSDAY NIGHT AND FRIDAY. VISIBILITIES WILL BE REDUCED TO UNDER ONE MILE AT TIMES IN MODERATE TO HEAVY SNOW. * IMPACTS...TRAVEL MAY BECOME VERY HAZARDOUS WITH SLICK AND SNOW COVERED ROADS AND LOW VISIBILITIES. 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 WHILE DRIVING. && $$ WYZ105-106-109-113-172300- /O.EXB.KCYS.WW.Y.0015.000000T0000Z-160319T0000Z/ SHIRLEY BASIN-CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- CENTRAL CARBON COUNTY-UPPER NORTH PLATTE RIVER BASIN- INCLUDING THE CITIES OF...MEDICINE BOW...SHIRLEY BASIN... BORDEAUX...RAWLINS...SARATOGA...ENCAMPMENT 250 AM MDT THU MAR 17 2016 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 PM MDT FRIDAY... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL 6 PM MDT FRIDAY. * TIMING...THROUGH NOON MDT THURSDAY. * TOTAL SNOW ACCUMULATIONS...3 TO 5 INCHES. * WINDS/VISIBILITY...NORTH WINDS 5 TO 15 MPH...BECOMING NORTHEAST THURSDAY NIGHT AND FRIDAY. VISIBILITIES WILL BE REDUCED TO UNDER ONE MILE AT TIMES IN MODERATE TO HEAVY SNOW. * IMPACTS...TRAVEL MAY BECOME VERY HAZARDOUS WITH SLICK AND SNOW COVERED ROADS AND LOW VISIBILITIES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ WYZ112-114-172300- /O.EXT.KCYS.WW.Y.0015.000000T0000Z-160319T0000Z/ SIERRA MADRE RANGE-SNOWY RANGE- INCLUDING THE CITIES OF...CENTENNIAL...ALBANY 250 AM MDT THU MAR 17 2016 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 6 PM MDT FRIDAY... * TIMING...THROUGH NOON MDT THURSDAY. * SNOW ACCUMULATIONS...NEW SNOW ACCUMULATIONS 6 TO 12 INCHES WITH LOCALLY HIGHER AMOUNTS ARE POSSIBLE. * WINDS/VISIBILITY...NORTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH THROUGH THIS AFTERNOON...THEN WINDS BECOMING LIGHT TONIGHT. VISIBILITIES WILL BE REDUCED TO LESS THAN ONE MILE AT TIMES IN FALLING AND BLOWING SNOW. * IMPACTS...MOUNTAIN TRAVEL WILL BE DIFFICULT OR IMPOSSIBLE WITH SLICK AND SNOW COVERED ROADS AND LOW VISIBILITIES. ANY OUTDOOR ACTIVITIES IN THE SNOWY AND SIERRA MADRE RANGES WILL LIKELY BE HAZARDOUS. 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 WHILE DRIVING. && $$
6 follow-up statements
077 WWUS45 KCYS 171148 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 548 AM MDT THU MAR 17 2016 ...SNOW TO CONTINUE ACROSS PORTIONS OF SOUTHEAST WYOMING THROUGH FRIDAY AFTERNOON... .SNOW WILL BE HEAVY AT TIMES THIS MORNING AND WILL CONTINUE INTO FRIDAY AFTERNOON AS A NEARLY STATIONARY BOUNDARY WILL BE IN PLACE ALONG IN THE INTERSTATE 80 CORRIDOR. GENERALLY 4 TO 8 INCHES OF SNOW IS EXPECTED WHILE A FOOT OR MORE OF SNOW IS EXPECTED ACROSS THE SOUTHERN LARAMIE RANGE BETWEEN CHEYENNE AND LARAMIE. WYZ114-172000- /O.UPG.KCYS.WW.Y.0015.000000T0000Z-160319T0000Z/ /O.EXA.KCYS.WS.W.0007.000000T0000Z-160319T0000Z/ SNOWY RANGE- INCLUDING THE CITIES OF...CENTENNIAL...ALBANY 548 AM MDT THU MAR 17 2016 ...WINTER STORM WARNING IN EFFECT UNTIL 6 PM MDT FRIDAY... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT UNTIL 6 PM MDT FRIDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. * TIMING...THROUGH NOON MDT THURSDAY. * SNOW ACCUMULATIONS...ADDITIONAL SNOW ACCUMULATIONS 10 TO 15 INCHES WITH LOCALLY HIGHER AMOUNTS ARE POSSIBLE THROUGH FRIDAY AFTERNOON. STORM TOTAL SNOW 1 TO 2 FEET WITH LOCALLY HIGHER AMOUNTS. * WINDS/VISIBILITY...NORTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH THROUGH THIS AFTERNOON...THEN WINDS BECOMING LIGHT TONIGHT. VISIBILITIES WILL BE REDUCED TO LESS THAN ONE HALF MILE AT TIMES DUE TO FALLING AND BLOWING SNOW. * IMPACTS...MOUNTAIN TRAVEL WILL BE DIFFICULT OR IMPOSSIBLE WITH SLICK AND SNOW COVERED ROADS AND LOW VISIBILITIES. ANY OUTDOOR ACTIVITIES IN THE SNOWY AND SIERRA MADRE RANGES WILL LIKELY BE 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>117-172000- /O.CON.KCYS.WS.W.0007.000000T0000Z-160319T0000Z/ NORTH SNOWY RANGE FOOTHILLS-LARAMIE VALLEY-SOUTH LARAMIE RANGE- SOUTH LARAMIE RANGE FOOTHILLS- INCLUDING THE CITIES OF...ARLINGTON...ELK MOUNTAIN...BOSLER... LARAMIE...BUFORD...PUMPKIN VINE...VEDAUWOO...WHITAKER...FEDERAL... HORSE CREEK 548 AM MDT THU MAR 17 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT FRIDAY... * TIMING...UNTIL 6 PM MDT FRIDAY. * TOTAL SNOW ACCUMULATIONS...GENERALLY 6 TO 10 INCHES... HOWEVER... HIGHER AMOUNTS ARE EXPECTED OVER THE INTERSTATE 80 SUMMIT BETWEEN CHEYENNE AND LARAMIE WHERE 10 TO 15 INCHES OF SNOW IS EXPECTED. * WINDS/VISIBILITY...NORTH WINDS AROUND 10 TO 20 MPH THROUGH THIS AFTERNOON...BECOMING NORTHEAST 5 TO 15 MPH TONIGHT AND FRIDAY. VISIBILITIES WILL BE REDUCED TO UNDER ONE MILE AT TIMES IN MODERATE TO HEAVY SNOW. * IMPACTS...TRAVEL MAY BECOME VERY HAZARDOUS WITH SLICK AND SNOW COVERED ROADS AND LOW VISIBILITIES. 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. && $$ WYZ112-172000- /O.CON.KCYS.WW.Y.0015.000000T0000Z-160319T0000Z/ SIERRA MADRE RANGE- 548 AM MDT THU MAR 17 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT FRIDAY... * TIMING...THROUGH NOON MDT THURSDAY. * SNOW ACCUMULATIONS...NEW SNOW ACCUMULATIONS 6 TO 12 INCHES WITH LOCALLY HIGHER AMOUNTS ARE POSSIBLE. * WINDS/VISIBILITY...NORTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH THROUGH THIS AFTERNOON...THEN WINDS BECOMING LIGHT TONIGHT. VISIBILITIES WILL BE REDUCED TO LESS THAN ONE MILE AT TIMES IN FALLING AND BLOWING SNOW. * IMPACTS...MOUNTAIN TRAVEL WILL BE DIFFICULT OR IMPOSSIBLE WITH SLICK AND SNOW COVERED ROADS AND LOW VISIBILITIES. ANY OUTDOOR ACTIVITIES IN THE SNOWY AND SIERRA MADRE RANGES WILL LIKELY BE HAZARDOUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ WYZ105-106-109-113-118-172000- /O.CON.KCYS.WW.Y.0015.000000T0000Z-160319T0000Z/ SHIRLEY BASIN-CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- CENTRAL CARBON COUNTY-UPPER NORTH PLATTE RIVER BASIN- CENTRAL LARAMIE COUNTY- INCLUDING THE CITIES OF...MEDICINE BOW...SHIRLEY BASIN... BORDEAUX...RAWLINS...SARATOGA...ENCAMPMENT...CHEYENNE 548 AM MDT THU MAR 17 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT FRIDAY... * TIMING...THROUGH NOON MDT THURSDAY. * TOTAL SNOW ACCUMULATIONS...3 TO 5 INCHES. * WINDS/VISIBILITY...NORTH WINDS 5 TO 15 MPH...BECOMING NORTHEAST THURSDAY NIGHT AND FRIDAY. VISIBILITIES WILL BE REDUCED TO UNDER ONE MILE AT TIMES IN MODERATE TO HEAVY SNOW. * IMPACTS...TRAVEL MAY BECOME VERY HAZARDOUS WITH SLICK AND SNOW COVERED ROADS AND LOW VISIBILITIES. 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 WHILE DRIVING. && $$
281 WWUS45 KCYS 171631 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 1031 AM MDT THU MAR 17 2016 ...SNOW TO CONTINUE ACROSS PORTIONS OF SOUTHEAST WYOMING THROUGH FRIDAY AFTERNOON... .SNOW WILL BE HEAVY AT TIMES THIS AFTERNOON AND CONTINUE THROUGH MUCH OF FRIDAY AS A NEARLY STATIONARY BOUNDARY WILL BE IN PLACE ALONG THE INTERSTATE 80 CORRIDOR. 4 TO 8 INCHES OF SNOW WILL BE COMMON...WITH A FOOT OR MORE EXPECTED ACROSS THE SOUTHERN LARAMIE RANGE BETWEEN LARAMIE AND CHEYENNE. WYZ110-115>117-180000- /O.CON.KCYS.WS.W.0007.000000T0000Z-160319T0000Z/ NORTH SNOWY RANGE FOOTHILLS-LARAMIE VALLEY-SOUTH LARAMIE RANGE- SOUTH LARAMIE RANGE FOOTHILLS- INCLUDING THE CITIES OF...ARLINGTON...ELK MOUNTAIN...BOSLER... LARAMIE...BUFORD...PUMPKIN VINE...VEDAUWOO...WHITAKER...FEDERAL... HORSE CREEK 1031 AM MDT THU MAR 17 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT FRIDAY... * TIMING...UNTIL 6 PM MDT FRIDAY. * TOTAL SNOW ACCUMULATIONS...GENERALLY 5 TO 10 INCHES WITH 10 TO 15 INCHES POSSIBLE OVER THE INTERSTATE 80 SUMMIT. * WINDS/VISIBILITY...NORTH WINDS AROUND 10 TO 20 MPH THROUGH THIS AFTERNOON...BECOMING NORTHEAST 5 TO 15 MPH TONIGHT AND FRIDAY. VISIBILITIES WILL BE REDUCED TO UNDER ONE MILE AT TIMES IN MODERATE TO HEAVY SNOW. * IMPACTS...TRAVEL MAY BECOME VERY HAZARDOUS WITH SLICK AND SNOW COVERED ROADS AND LOW VISIBILITIES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ114-180000- /O.CON.KCYS.WS.W.0007.000000T0000Z-160319T0000Z/ SNOWY RANGE- INCLUDING THE CITIES OF...CENTENNIAL...ALBANY 1031 AM MDT THU MAR 17 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT FRIDAY... * TIMING...THROUGH 6 PM MDT FRIDAY. * SNOW ACCUMULATIONS...10 TO 15 INCHES OF ADDITIONAL SNOW THROUGH FRIDAY AFTERNOON. STORM TOTAL BETWEEN 1 AND 2 FEET WITH LOCALLY HIGHER AMOUNTS POSSIBLE. * WINDS/VISIBILITY...NORTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH THROUGH THIS AFTERNOON...THEN BECOMING LIGHT OVERNIGHT. VISIBILITIES WILL BE REDUCED TO LESS THAN ONE HALF MILE AT TIMES IN FALLING AND BLOWING SNOW. * IMPACTS...MOUNTAIN TRAVEL WILL BE DIFFICULT OR IMPOSSIBLE WITH SLICK AND SNOW COVERED ROADS AND LOW VISIBILITIES. ANY OUTDOOR ACTIVITIES IN THE SNOWY RANGE WILL BE 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. && $$ WYZ112-180000- /O.CON.KCYS.WW.Y.0015.000000T0000Z-160319T0000Z/ SIERRA MADRE RANGE- 1031 AM MDT THU MAR 17 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT FRIDAY... * TIMING...THROUGH 6 PM MDT FRIDAY. * SNOW ACCUMULATIONS...6 TO 12 INCHES OF ADDITIONAL SNOWFALL THROUGH FRIDAY AFTERNOON. * WINDS/VISIBILITY...NORTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH THROUGH THIS AFTERNOON...THEN BECOMING LIGHT OVERNIGHT. VISIBILITIES WILL BE REDUCED TO LESS THAN ONE MILE AT TIMES IN FALLING AND BLOWING SNOW. * IMPACTS...MOUNTAIN TRAVEL WILL BE DIFFICULT OR IMPOSSIBLE WITH SLICK AND SNOW COVERED ROADS AND LOW VISIBILITIES. ANY OUTDOOR ACTIVITIES IN THE SIERRA MADRE RANGES WILL BE HAZARDOUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ WYZ105-106-109-113-118-180000- /O.CON.KCYS.WW.Y.0015.000000T0000Z-160319T0000Z/ SHIRLEY BASIN-CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- CENTRAL CARBON COUNTY-UPPER NORTH PLATTE RIVER BASIN- CENTRAL LARAMIE COUNTY- INCLUDING THE CITIES OF...MEDICINE BOW...SHIRLEY BASIN... BORDEAUX...RAWLINS...SARATOGA...ENCAMPMENT...CHEYENNE 1031 AM MDT THU MAR 17 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT FRIDAY... * TIMING...THROUGH 6 PM MDT FRIDAY. THE HEAVIEST SNOW IS EXPECTED BETWEEN 6 PM MDT THURSDAY AND 6 AM MDT FRIDAY. * TOTAL SNOW ACCUMULATIONS...3 TO 6 INCHES WITH LOCALLY HIGHER AMOUNTS POSSIBLE. * WINDS/VISIBILITY...NORTH WINDS 5 TO 15 MPH...BECOMING NORTHEAST THURSDAY NIGHT AND FRIDAY. VISIBILITIES WILL BE REDUCED TO UNDER ONE MILE AT TIMES IN MODERATE TO HEAVY SNOW. * IMPACTS...TRAVEL MAY BECOME VERY HAZARDOUS WITH SLICK AND SNOW COVERED ROADS AND LOW VISIBILITIES. 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 WHILE DRIVING. && $$ CLH
946 WWUS45 KCYS 171716 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 1116 AM MDT THU MAR 17 2016 ...SNOW TO CONTINUE ACROSS PORTIONS OF SOUTHEAST WYOMING THROUGH FRIDAY AFTERNOON... .SNOW WILL BE HEAVY AT TIMES THIS AFTERNOON AND CONTINUE THROUGH MUCH OF FRIDAY AS A NEARLY STATIONARY BOUNDARY WILL BE IN PLACE ALONG THE INTERSTATE 80 CORRIDOR. 4 TO 8 INCHES OF SNOW WILL BE COMMON...WITH A FOOT OR MORE EXPECTED ACROSS THE SOUTHERN LARAMIE RANGE BETWEEN LARAMIE AND CHEYENNE. STORM TOTAL ACCUMULATIONS IN THE SNOWY AND SIERRA MADRE RANGES WILL AVERAGE BETWEEN 1 AND 2 FEET. WYZ112-180000- /O.UPG.KCYS.WW.Y.0015.000000T0000Z-160319T0000Z/ /O.EXA.KCYS.WS.W.0007.000000T0000Z-160319T0000Z/ SIERRA MADRE RANGE- 1116 AM MDT THU MAR 17 2016 ...WINTER STORM WARNING IN EFFECT UNTIL 6 PM MDT FRIDAY... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT UNTIL 6 PM MDT FRIDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. * TIMING...THROUGH 6 PM MDT FRIDAY. * SNOW ACCUMULATIONS...1 TO 2 FEET WITH LOCALLY HIGHER AMOUNTS POSSIBLE. * WINDS/VISIBILITY...NORTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH THROUGH THIS AFTERNOON...THEN BECOMING LIGHT OVERNIGHT. VISIBILITIES WILL BE REDUCED TO LESS THAN ONE HALF AT TIMES IN FALLING AND BLOWING SNOW. * IMPACTS...MOUNTAIN TRAVEL WILL BE DIFFICULT OR IMPOSSIBLE WITH SLICK AND SNOW COVERED ROADS AND LOW VISIBILITIES. ANY OUTDOOR ACTIVITIES IN THE SIERRA MADRE RANGES WILL BE HAZARDOUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ110-115>117-180000- /O.CON.KCYS.WS.W.0007.000000T0000Z-160319T0000Z/ NORTH SNOWY RANGE FOOTHILLS-LARAMIE VALLEY-SOUTH LARAMIE RANGE- SOUTH LARAMIE RANGE FOOTHILLS- INCLUDING THE CITIES OF...ARLINGTON...ELK MOUNTAIN...BOSLER... LARAMIE...BUFORD...PUMPKIN VINE...VEDAUWOO...WHITAKER...FEDERAL... HORSE CREEK 1116 AM MDT THU MAR 17 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT FRIDAY... * TIMING...UNTIL 6 PM MDT FRIDAY. * TOTAL SNOW ACCUMULATIONS...GENERALLY 5 TO 10 INCHES WITH 10 TO 15 INCHES POSSIBLE OVER THE INTERSTATE 80 SUMMIT. * WINDS/VISIBILITY...NORTH WINDS AROUND 10 TO 20 MPH THROUGH THIS AFTERNOON...BECOMING NORTHEAST 5 TO 15 MPH TONIGHT AND FRIDAY. VISIBILITIES WILL BE REDUCED TO UNDER ONE MILE AT TIMES IN MODERATE TO HEAVY SNOW. * IMPACTS...TRAVEL MAY BECOME VERY HAZARDOUS WITH SLICK AND SNOW COVERED ROADS AND LOW VISIBILITIES. 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. && $$ WYZ114-180000- /O.CON.KCYS.WS.W.0007.000000T0000Z-160319T0000Z/ SNOWY RANGE- INCLUDING THE CITIES OF...CENTENNIAL...ALBANY 1116 AM MDT THU MAR 17 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT FRIDAY... * TIMING...THROUGH 6 PM MDT FRIDAY. * SNOW ACCUMULATIONS...1 TO 2 FEET WITH LOCALLY HIGHER AMOUNTS POSSIBLE. * WINDS/VISIBILITY...NORTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH THROUGH THIS AFTERNOON...THEN BECOMING LIGHT OVERNIGHT. VISIBILITIES WILL BE REDUCED TO LESS THAN ONE HALF MILE AT TIMES IN FALLING AND BLOWING SNOW. * IMPACTS...MOUNTAIN TRAVEL WILL BE DIFFICULT OR IMPOSSIBLE WITH SLICK AND SNOW COVERED ROADS AND LOW VISIBILITIES. ANY OUTDOOR ACTIVITIES IN THE SNOWY RANGE WILL BE HAZARDOUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ105-106-109-113-118-180000- /O.CON.KCYS.WW.Y.0015.000000T0000Z-160319T0000Z/ SHIRLEY BASIN-CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- CENTRAL CARBON COUNTY-UPPER NORTH PLATTE RIVER BASIN- CENTRAL LARAMIE COUNTY- INCLUDING THE CITIES OF...MEDICINE BOW...SHIRLEY BASIN... BORDEAUX...RAWLINS...SARATOGA...ENCAMPMENT...CHEYENNE 1116 AM MDT THU MAR 17 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT FRIDAY... * TIMING...THROUGH 6 PM MDT FRIDAY. THE HEAVIEST SNOW IS EXPECTED BETWEEN 6 PM MDT THURSDAY AND 6 AM MDT FRIDAY. * TOTAL SNOW ACCUMULATIONS...3 TO 6 INCHES WITH LOCALLY HIGHER AMOUNTS POSSIBLE. * WINDS/VISIBILITY...NORTH WINDS 5 TO 15 MPH...BECOMING NORTHEAST THURSDAY NIGHT AND FRIDAY. VISIBILITIES WILL BE REDUCED TO UNDER ONE MILE AT TIMES IN MODERATE TO HEAVY SNOW. * IMPACTS...TRAVEL MAY BECOME VERY HAZARDOUS WITH SLICK AND SNOW COVERED ROADS AND LOW VISIBILITIES. 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 WHILE DRIVING. && $$ CLH
535 WWUS45 KCYS 172119 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 319 PM MDT THU MAR 17 2016 ...SNOW TO CONTINUE ACROSS PORTIONS OF SOUTHEAST WYOMING THROUGH FRIDAY AFTERNOON... .SNOW WILL BE HEAVY AT TIMES TONIGHT AND CONTINUE THROUGH MUCH OF FRIDAY AS A NEARLY STATIONARY BOUNDARY WILL BE IN PLACE ALONG THE INTERSTATE 80 CORRIDOR. 4 TO 8 INCHES OF SNOW WILL BE COMMON...WITH A FOOT OR MORE EXPECTED ACROSS THE SOUTHERN LARAMIE RANGE BETWEEN LARAMIE AND CHEYENNE. STORM TOTAL ACCUMULATIONS IN THE SNOWY AND SIERRA MADRE RANGES WILL AVERAGE BETWEEN 1 AND 2 FEET...WITH A FEW TOTALS AROUND 3 FEET. WYZ110-115>117-181200- /O.CON.KCYS.WS.W.0007.000000T0000Z-160319T0000Z/ NORTH SNOWY RANGE FOOTHILLS-LARAMIE VALLEY-SOUTH LARAMIE RANGE- SOUTH LARAMIE RANGE FOOTHILLS- INCLUDING THE CITIES OF...ARLINGTON...ELK MOUNTAIN...BOSLER... LARAMIE...BUFORD...PUMPKIN VINE...VEDAUWOO...WHITAKER...FEDERAL... HORSE CREEK 319 PM MDT THU MAR 17 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT FRIDAY... * TIMING...UNTIL 6 PM MDT FRIDAY. * TOTAL SNOW ACCUMULATIONS...GENERALLY 5 TO 10 INCHES WITH 10 TO 15 INCHES POSSIBLE OVER THE INTERSTATE 80 SUMMIT. * WINDS/VISIBILITY...LIGHT WINDS. VISIBILITIES WILL BE REDUCED TO UNDER ONE HALF MILE AT TIMES IN MODERATE TO HEAVY SNOW. * IMPACTS...TRAVEL WILL BECOME VERY HAZARDOUS WITH SLICK AND SNOW COVERED ROADS AND LOW VISIBILITIES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ112-114-181200- /O.CON.KCYS.WS.W.0007.000000T0000Z-160319T0000Z/ SIERRA MADRE RANGE-SNOWY RANGE- INCLUDING THE CITIES OF...CENTENNIAL...ALBANY 319 PM MDT THU MAR 17 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT FRIDAY... * TIMING...THROUGH 6 PM MDT FRIDAY. * SNOW ACCUMULATIONS...GENERALLY 1 TO 2 FEET. LOCAL AMOUNTS OF UP TO 3 FEET ARE POSSIBLE IN THE SNOWY RANGE. * WINDS/VISIBILITY...WINDS BECOMING LIGHT. VISIBILITIES WILL BE REDUCED TO LESS THAN ONE HALF MILE AT TIMES IN HEAVY SNOW. * IMPACTS...MOUNTAIN TRAVEL WILL BE DIFFICULT OR IMPOSSIBLE WITH SLICK AND SNOW COVERED ROADS AND LOW VISIBILITIES. ANY OUTDOOR ACTIVITIES IN THE SNOWY AND SIERRA MADRE RANGES WILL BE EXTREMELY DANGEROUS. 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. && $$ WYZ105-106-109-113-118-181200- /O.CON.KCYS.WW.Y.0015.000000T0000Z-160319T0000Z/ SHIRLEY BASIN-CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- CENTRAL CARBON COUNTY-UPPER NORTH PLATTE RIVER BASIN- CENTRAL LARAMIE COUNTY- INCLUDING THE CITIES OF...MEDICINE BOW...SHIRLEY BASIN... BORDEAUX...RAWLINS...SARATOGA...ENCAMPMENT...CHEYENNE 319 PM MDT THU MAR 17 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT FRIDAY... * TIMING...THROUGH 6 PM MDT FRIDAY. THE HEAVIEST SNOW IS EXPECTED BETWEEN 6 PM MDT THIS EVENING AND 6 AM MDT FRIDAY. * TOTAL SNOW ACCUMULATIONS...3 TO 6 INCHES WITH LOCALLY HIGHER AMOUNTS POSSIBLE. * WINDS/VISIBILITY...LIGHT WINDS. VISIBILITIES WILL BE REDUCED TO UNDER ONE MILE AT TIMES IN MODERATE TO HEAVY SNOW. * IMPACTS...TRAVEL MAY BECOME VERY HAZARDOUS WITH SLICK AND SNOW COVERED ROADS AND LOW VISIBILITIES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ HAMMER
415 WWUS45 KCYS 181030 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 430 AM MDT FRI MAR 18 2016 ...SNOW TO TAPER OFF THIS MORNING AND AFTERNOON... .SNOW WILL CONTINUE TO ACCUMULATE ALONG THE INTERSTATE CORRIDOR AND THE MOUNTAINS OF SOUTHEAST WYOMING THIS MORNING WITH SNOW TAPERING OFF LATER THIS MORNING AND INTO THE AFTERNOON. SNOW COVERED AND SLIPPER ROADS WILL MAKE FOR DIFFICULT TRAVEL THROUGH THE MORNING HOURS. IMPROVING ROAD CONDITIONS ARE EXPECTED THIS AFTERNOON. WYZ110-115>117-181830- /O.CON.KCYS.WS.W.0007.000000T0000Z-160319T0000Z/ NORTH SNOWY RANGE FOOTHILLS-LARAMIE VALLEY-SOUTH LARAMIE RANGE- SOUTH LARAMIE RANGE FOOTHILLS- INCLUDING THE CITIES OF...ARLINGTON...ELK MOUNTAIN...BOSLER... LARAMIE...BUFORD...PUMPKIN VINE...VEDAUWOO...WHITAKER...FEDERAL... HORSE CREEK 430 AM MDT FRI MAR 18 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... * TIMING...SNOW WILL TAPER OFF THIS MORNING AND INTO THE AFTERNOON HOURS. SNOW WILL END ACROSS MOST OF THE AREA BY LATE THIS AFTERNOON. * TOTAL SNOW ACCUMULATIONS...GENERALLY 5 TO 10 INCHES WITH UP TO 15 INCHES NEAR THE INTERSTATE 80 SUMMIT. * WINDS/VISIBILITY...LIGHT NORTHERLY WINDS. VISIBILITIES WILL BE REDUCED TO UNDER ONE HALF MILE AT TIMES IN MODERATE TO HEAVY SNOW. * IMPACTS...TRAVEL WILL BECOME VERY HAZARDOUS WITH SLICK AND SNOW COVERED ROADS AND LOW VISIBILITIES. IMPROVING ROAD CONDITIONS EXPECTED THIS AFTERNOON. 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. && $$ WYZ112-114-181830- /O.CON.KCYS.WS.W.0007.000000T0000Z-160319T0000Z/ SIERRA MADRE RANGE-SNOWY RANGE- INCLUDING THE CITIES OF...CENTENNIAL...ALBANY 430 AM MDT FRI MAR 18 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... * TIMING...SNOW WILL TAPER OFF THIS MORNING AND INTO THE AFTERNOON HOURS. SNOW WILL END ACROSS MOST OF THE AREA BY LATE THIS AFTERNOON. * SNOW ACCUMULATIONS...GENERALLY 1 TO 2 FEET. LOCAL AMOUNTS OF UP TO 3 FEET ARE POSSIBLE IN THE SNOWY RANGE. * WINDS/VISIBILITY...WINDS BECOMING LIGHT. VISIBILITIES WILL BE REDUCED TO LESS THAN ONE HALF MILE AT TIMES IN HEAVY SNOW. * IMPACTS...MOUNTAIN TRAVEL WILL BE DIFFICULT OR IMPOSSIBLE WITH SLICK AND SNOW COVERED ROADS AND LOW VISIBILITIES. ANY OUTDOOR ACTIVITIES IN THE SNOWY AND SIERRA MADRE RANGES WILL BE EXTREMELY DANGEROUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ105-106-109-113-118-181830- /O.CON.KCYS.WW.Y.0015.000000T0000Z-160319T0000Z/ SHIRLEY BASIN-CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- CENTRAL CARBON COUNTY-UPPER NORTH PLATTE RIVER BASIN- CENTRAL LARAMIE COUNTY- INCLUDING THE CITIES OF...MEDICINE BOW...SHIRLEY BASIN... BORDEAUX...RAWLINS...SARATOGA...ENCAMPMENT...CHEYENNE 430 AM MDT FRI MAR 18 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... * TIMING...SNOW WILL TAPER OFF THIS MORNING AND INTO THE AFTERNOON HOURS. SNOW WILL END ACROSS MOST OF THE AREA BY LATE THIS AFTERNOON. * TOTAL SNOW ACCUMULATIONS...3 TO 6 INCHES WITH LOCALLY HIGHER AMOUNTS POSSIBLE. * WINDS/VISIBILITY...LIGHT WINDS. VISIBILITIES WILL BE REDUCED TO UNDER ONE MILE AT TIMES IN MODERATE TO HEAVY SNOW. * IMPACTS...TRAVEL MAY BECOME VERY HAZARDOUS WITH SLICK AND SNOW COVERED ROADS AND LOW VISIBILITIES. 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 WHILE DRIVING. && $$
578 WWUS45 KCYS 181528 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 928 AM MDT FRI MAR 18 2016 ...SNOW TO TAPER OFF THIS MORNING AND AFTERNOON... .LIGHT SNOW WILL DECREASE GRADUALLY ALONG THE INTERSTATE CORRIDOR AND THE MOUNTAINS OF SOUTHEAST WYOMING THIS MORNING THOUGH SOME SNOW SHOWERS ARE STILL EXPECTED OVER AND NEAR THE MOUNTAINS THROUGH THE AFTERNOON. SNOW COVERED AND SLIPPERY ROADS WILL MAKE FOR DIFFICULT TRAVEL THROUGH THE MORNING HOURS. IMPROVING ROAD CONDITIONS ARE EXPECTED THIS AFTERNOON. WYZ112-114-116-117-190000- /O.CAN.KCYS.WS.W.0007.000000T0000Z-160319T0000Z/ /O.EXA.KCYS.WW.Y.0015.000000T0000Z-160319T0000Z/ SIERRA MADRE RANGE-SNOWY RANGE-SOUTH LARAMIE RANGE- SOUTH LARAMIE RANGE FOOTHILLS- INCLUDING THE CITIES OF...CENTENNIAL...ALBANY...BUFORD... PUMPKIN VINE...VEDAUWOO...WHITAKER...FEDERAL...HORSE CREEK 928 AM MDT FRI MAR 18 2016 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 PM MDT THIS EVENING... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WINTER WEATHER ADVISORY FOR LIGHT SNOW...WHICH IS IN EFFECT UNTIL 6 PM MDT THIS EVENING. THE WINTER STORM WARNING HAS BEEN CANCELLED. * TIMING...THROUGH THIS AFTERNOON. * TOTAL SNOW ACCUMULATIONS...3 TO 6 INCHES WITH LOCALLY HIGHER AMOUNTS POSSIBLE. * WINDS/VISIBILITY...LIGHT WINDS. VISIBILITIES MAY BE REDUCED TO UNDER ONE MILE AT TIMES IN SNOW. * IMPACTS...TRAVEL WILL BE HAZARDOUS WITH SLICK AND SNOW COVERED ROADS AND LOW VISIBILITIES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ WYZ110-115-181630- /O.CAN.KCYS.WS.W.0007.000000T0000Z-160319T0000Z/ NORTH SNOWY RANGE FOOTHILLS-LARAMIE VALLEY- INCLUDING THE CITIES OF...ARLINGTON...ELK MOUNTAIN...BOSLER... LARAMIE 928 AM MDT FRI MAR 18 2016 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS CANCELLED THE WINTER STORM WARNING. SOME LIGHT SNOW OR FLURRIES ARE STILL POSSIBLE TODAY BUT LITTLE ADDITIONAL ACCUMULATIONS ARE EXPECTED. $$ WYZ105-106-109-113-181630- /O.CAN.KCYS.WW.Y.0015.000000T0000Z-160319T0000Z/ SHIRLEY BASIN-CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- CENTRAL CARBON COUNTY-UPPER NORTH PLATTE RIVER BASIN- INCLUDING THE CITIES OF...MEDICINE BOW...SHIRLEY BASIN... BORDEAUX...RAWLINS...SARATOGA...ENCAMPMENT 928 AM MDT FRI MAR 18 2016 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS CANCELLED THE WINTER WEATHER ADVISORY. SOME LIGHT SNOW OR FLURRIES ARE STILL POSSIBLE TODAY BUT LITTLE IF ANY ADDITIONAL ACCUMULATIONS ARE EXPECTED. $$ WYZ118-190000- /O.CON.KCYS.WW.Y.0015.000000T0000Z-160319T0000Z/ CENTRAL LARAMIE COUNTY- INCLUDING THE CITY OF...CHEYENNE 928 AM MDT FRI MAR 18 2016 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... * TIMING...LIGHT SNOW WILL TAPER OFF THIS MORNING AND SHOULD END DURING THE AFTERNOON. * TOTAL SNOW ACCUMULATIONS...3 TO 5 INCHES WITH LOCALLY HIGHER AMOUNTS POSSIBLE. * WINDS/VISIBILITY...LIGHT WINDS. VISIBILITIES MAY BE REDUCED TO UNDER ONE MILE AT TIMES IN SNOW. * IMPACTS...TRAVEL WILL STILL BE HAZARDOUS WITH SLICK AND SNOW COVERED ROADS. 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 WHILE DRIVING. && $$
What forecasters said that day
The local office's own words before this winter storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Cheyenne, WY wrote its last area forecast discussion before this winter storm warning went out at Mar 16, 11:55 PM MDT, 2 hours 55 minutes earlier.
Area forecast discussion, Mar 16, 11:55 PM MDT, 2 hours 55 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHEYENNE WY
1155 PM MDT WED MAR 16 2016
.SHORT TERM...(TONIGHT THROUGH FRIDAY NIGHT)
ISSUED AT 253 PM MDT WED MAR 16 2016
A SIMILAR SITUATION COMPARED TO YESTERDAY WITH SCATTERED RAIN/SNOW
SHOWERS ONGOING ACROSS MUCH OF THE CWA THIS AFTERNOON. THIS SHOULD
BE CONVECTIVE IN NATURE...DRIVEN BY GOOD MID-LEVEL INSTABILITY VIA
700 HPA TEMPERATURES BELOW -10 DEG C. LITTLE OR NO ACCUMULATION IS
EXPECTED OUTSIDE OF THE MOUNTAINS. EXPECT LOW-ELEVATION SHOWERS TO
DIMINISH AFTER SUNSET AS THE AIR MASS STABILIZES. THE NEXT MID-LVL
DISTURBANCE PUSHES INTO OUR WESTERN ZONES LATE TONIGHT. THE SIERRA
MADRE AND SNOWY RANGES WILL BE IN THE LEFT EXIT REGION OF A 100 KT
H25 JET THROUGH 12Z-18Z THU...ALONG WITH FAVORABLE OROGRAPHIC LIFT
WITH DEEP WEST-TO-NORTHWEST FLOW ALOFT. MODELS AGREE WITH AT LEAST
0.4 INCH QPF OVERNIGHT...AND EXPECTED TEMPERATURE PROFILES SUGGEST
THAT WILL EQUATE TO 6+ INCHES OF SNOW. WE HAVE EXTENDED THE WINTER
WEATHER ADVISORY FOR THE MOUNTAINS THROUGH THU AM.
SNOW COULD SPREAD INTO THE PLAINS THU NIGHT/FRI. AN ELONGATED VORT
LOBE ASSOCIATED WITH A VIGOROUS MID-LEVEL SHORTWAVE IS EXPECTED TO
ENTER OUR WESTERN ZONES AFTER 18Z THURSDAY...AND SHIFT FROM W-TO-E
THROUGH 00Z SAT. THE NOSE OF A 100 KNOT 250 MILLIBAR JET IS LIKELY
TO BECOME ESTABLISHED OVER NORTH CENTRAL COLORADO...LIKELY PUTTING
THE I80 CORRIDOR IN A FAVORABLE POSITION FOR GOOD DYNAMIC LIFT. IN
THE MEANTIME...MODELS AGREE THAT A COLD FROPA OVERNIGHT WILL CAUSE
WINDS TO SHIFT TO THE EAST OR NORTHEAST. DEEP UPSLOPE WILL DEVELOP
ALONG/EAST OF THE LARAMIE RANGE WITH EXCELLENT LOW/MIDLVL MOISTURE
PROFILES ON FORECAST SOUNDINGS. NAM/GFS BUFKIT SOUNDINGS OVER KCYS
SHOW VERY STEEP LAPSE RATES AND STRONG LIFT IN THE DENDRITIC LAYER
OVERNIGHT...SO MESOSCALE CONVECTIVE BANDING IS PROBABLE. WE SHOULD
ALSO SEE SOME ENHANCEMENT WITH LOW-LEVEL CONVERGENCE AND MID-LEVEL
FRONTOGENESIS ASSOCIATED WITH THE SURFACE BOUNDARY. MODELS SEEM TO
BE COMING INTO MUCH BETTER AGREEMENT WITH THE SYNOPTIC SCENARIO...
AND HAVE BEEN PRETTY CONSISTENT WITH QPF AMOUNTS ANYWHERE FROM 0.4
INCH ON THE ECMWF TO 0.8 INCH ON THE NAM. THE GFS STILL SPLITS THE
DIFFERENCE AROUND 0.6 INCH FOR KCYS. FORECAST TEMPERATURE PROFILES
SUGGEST MOST...IF NOT ALL OF THIS WILL FALL AS SNOW...SO COULD SEE
WARNING-CRITERIA SNOW AMOUNTS. ISSUED A WINTER STORM WATCH FOR THE
I80 CORRIDOR BETWEEN ARL AND THE NEB STATE LINE AFTER COORDINATION
WITH WFO BOU. LARAMIE MAY SEE LESSER AMOUNTS WITH LOW LEVEL NORTH-
EAST FLOW AND DOWNSLOPE AFFECTS...BUT OPTED TO INCLUDE THEM IN THE
WATCH DUE TO POTENTIAL FOR BANDING.
.LONG TERM...(SATURDAY THROUGH WEDNESDAY)
ISSUED AT 253 PM MDT WED MAR 16 2016
WARMUP BEGINS ON SATURDAY THOUGH STILL ON THE COOL SIDE AS THE
CWA REMAINS UNDER NORTHERLY FLOW ON THE BACK SIDE OF THE UPPER LOW
OVER IOWA. HEIGHTS SLOWLY RISING OVER THE AREA AS UPPER RIDGING
AMPLIFIES OVER THE WESTERN CONUS. THIS RIDGE WILL MOVE EAST ON
SUNDAY THEN FLATTEN SUNDAY NIGHT AND MONDAY LEAVING A QUASI-ZONAL
FLOW OVER THE REGION LATE MONDAY INTO TUESDAY. MILD TEMPERATURES
WILL RETURN SUNDAY AND CONTINUE THROUGH MONDAY WITH NO PRECIPITATION
SEEN. CHANGES BEGIN ON TUESDAY AS THE NEXT UPPER TROUGH SWINGS
INTO THE PACIFIC NORTHWEST AND MOISTURE INCREASES AHEAD OF THE
SYSTEM OVER OUR AREA. MODELS DIFFER IN HANDLING OF THIS SYSTEM
WITH THE EC DROPPING ENERGY SOUTHWARD AND CLOSING OFF AN UPPER LOW
OVER THE DESERT SOUTHWEST WEDNESDAY WHILE THE GFS PUSHES THE
ENERGY EASTWARD ACROSS THE NORTHERN AND CENTRAL ROCKYS INTO THE
PLAINS BY THAT TIME. REGARDLESS SHOULD SEE AT LEAST SCTD RAIN AND
SNOW SHOWERS FOR THE TUESDAY AND WEDS TIME PERIOD WITH COOLER
TEMPS AS WELL.
&&
.AVIATION...(FOR THE 06Z TAFS THROUGH 06Z THURSDAY NIGHT)
ISSUED AT 1149 PM MDT WED MAR 16 2016
LIGHT SNOW AND IFR VIS ARE EXPECTED THROUGH 12Z AT RWL/LAR. SNOW
SHOWERS WILL CONTINUE TO BE POSSIBLE THROUGH THURS EVENING AT THE
WY SITES. VFR CONDITIONS WILL PREVAIL OVER THE NEBRASKA PANHANDLE.
WINDS WILL MOSTLY REMAIN BELOW 15 KTS.
&&
.FIRE WEATHER...
ISSUED AT 253 PM MDT WED MAR 16 2016
COLD AND UNSETTLED WEATHER THROUGH FRIDAY WITH NO FIRE WEATHER
CONCERNS. DRY SATURDAY THROUGH MONDAY AND THEN MORE CHANCES FOR
PRECIPITATION INTO THE MIDDLE OF NEXT WEEK.
&&
.CYS WATCHES/WARNINGS/ADVISORIES...
WY...WINTER WEATHER ADVISORY UNTIL NOON MDT THURSDAY FOR WYZ112-114.
WINTER STORM WATCH FROM THURSDAY EVENING THROUGH FRIDAY
AFTERNOON FOR WYZ110-115>119.
NE...NONE.
&&
SHORT TERM...CLH
LONG TERM...RE
AVIATION...ZF
FIRE WEATHER...SMLHazardous weather outlook, Mar 16, 3:37 PM MDT, 11 hours 13 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE CHEYENNE WY 337 PM MDT WED MAR 16 2016 NEZ020-021-054-055-WYZ103>119-172145- BANNER-MORRILL-KIMBALL-CHEYENNE-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- 337 PM MDT WED MAR 16 2016 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE SOUTHERN NEBRASKA PANHANDLE...AND MOST OF SOUTHEAST WYOMING. .DAY ONE...THIS AFTERNOON AND TONIGHT A WINTER WEATHER ADVISORY REMAINS IN EFFECT OVER THE SIERRA MADRE AND SNOWY RANGES THROUGH TONIGHT. AN ADDITIONAL 4 TO 8 INCHES IS EXPECTED THROUGH EARLY THURSDAY MORNING. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY A COLD FRONT WILL DEVELOP AND STALL SOUTH OF THE COLORADO-WYOMING BORDER THURSDAY AND THURSDAY NIGHT. SNOW IS EXPECTED TO DEVELOP AND BECOME MODERATE TO HEAVY THURSDAY NIGHT...ESPECIALLY ALONG THE INTERSTATE 80 CORRIDOR FROM LARAMIE TO THE NEBRASKA BORDER. A WINTER STORM WATCH HAS BEEN ISSUED THURSDAY NIGHT AND FRIDAY FOR THE INTERSTATE 80 CORRIDOR FROM RAWLINS TO PINE BLUFFS...INCLUDING LARAMIE AND CHEYENNE. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE REQUIRED. NEZ002-003-019-095-096-WYZ101-102-172145- DAWES-BOX BUTTE-SCOTTS BLUFF-NORTH SIOUX-SOUTH SIOUX- CONVERSE COUNTY LOWER ELEVATIONS-NIOBRARA COUNTY- 337 PM MDT WED MAR 16 2016 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE NORTHERN NEBRASKA PANHANDLE AND EAST CENTRAL WYOMING. .DAY ONE...THIS AFTERNOON AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE REQUIRED.
In the hours before
Local storm report, Mar 16, 9:35 PM MDT, 5 hours 15 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
935 PM MDT WED MAR 16 2016
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0929 PM SNOW 10 WSW ENCAMPMENT 41.15N 106.97W
03/16/2016 E6.0 INCH CARBON WY PARK/FOREST SRVC
OLD BATTLE SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION
10000 FEET. SNOW WATER EQUIVALENT IS 0.4 INCHES AND THE
SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS
OVER PAST 15 HOURS.
0929 PM SNOW 8 WSW ENCAMPMENT 41.16N 106.94W
03/16/2016 E6.0 INCH CARBON WY PARK/FOREST SRVC
WEBBER SPRINGS SNOTEL IN THE SIERRA MADRE RANGE.
ELEVATION 9250 FEET. SNOW WATER EQUIVALENT IS 0.4 INCHES
AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1.
ACCUMULATION WAS OVER PAST 15 HOURS
0929 PM SNOW 10 SW ENCAMPMENT 41.11N 106.93W
03/16/2016 E10.5 INCH CARBON WY PARK/FOREST SRVC
LITTLE SNAKE RIVER SNOTEL IN THE SIERRA MADRE RANGE.
ELEVATION 8915 FEET. SNOW WATER EQUIVALENT IS 0.7 INCHES
AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1.
ACCUMULATION WAS OVER PAST 15 HOURS.
0929 PM SNOW WHISKEY PARK 41.00N 106.91W
03/16/2016 E14.0 INCH CARBON WY PARK/FOREST SRVC
WHISKEY PARK SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION
8950 FEET. SNOW WATER EQUIVALENT IS 0.8 INCHES AND THE
SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS
OVER PAST 15 HOURS.
0929 PM SNOW 7 NW CENTENNIAL 41.37N 106.21W
03/16/2016 E11.0 INCH ALBANY WY PARK/FOREST SRVC
BROOKLYN LAKE SNOTEL IN THE SNOWY RANGE. ELEVATION 10240
FEET. SNOW WATER EQUIVALENT IS 0.6 INCHES AND THE SNOW
TO LIQUID RATIO USED WAS 18 TO 1. ACCUMULATION WAS OVER
PAST 15 HOURS.
0929 PM SNOW 11 SSE ELK MOUNTAIN 41.54N 106.33W
03/16/2016 E14.0 INCH CARBON WY PARK/FOREST SRVC
MEDICINE BOW SNOTEL IN THE SNOWY RANGE. ELEVATION 10500
FEET. SNOW WATER EQUIVALENT IS 0.8 INCHES AND THE SNOW
TO LIQUID RATIO USED WAS 18 TO 1. ACCUMULATION WAS OVER
PAST 15 HOURS.
&&
TTRUDELNearby
Winter Storm Warnings in Wyoming, 2016Every winter storm warning in 2016
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.