Alert archive / Wyoming / Blizzard Warnings in 2015
Blizzard Warning 3, NWS Cheyenne, WY
NWS Cheyenne, WY issued this blizzard warning at Dec 23, 2015, 7:55 PM MST for Albany County, Carbon County, Wyoming. It was in force for 8 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Dec 23, 2015, 7:55 PM MST (02:55 UTC)
- Expired
- Dec 24, 2015, 4:01 AM MST
- In force
- 8 hr
- Issued by
- NWS Cheyenne, WY
Counties Albany County, WY, Carbon County, WY
The radar
The Cheyenne radar (KCYS), 140 km from the middle of the area, began a volume at 02:54 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Riverton, WY (KRIW), launched 00:00Z, 2.9 hours before the alert went out and 230 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
- 1030 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 66 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
708 WWUS45 KCYS 240255 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 755 PM MST WED DEC 23 2015 ...BLIZZARD CONDITIONS BEING OBSERVED ALONG INTERSTATE 80 AT ARLINGTON WYOMING... .STRONG WINDS FROM 40 TO 60 MPH ARE PRODUCING SIGNIFICANT BLOWING SNOW AND REDUCING VISIBILITIES TO NEAR ZERO IN SECTIONS OF INTERSTATE 80 BETWEEN LARAMIE AND RAWLINS...MORE SPECIFICALLY AROUND THE ARLINGTON AND WAGONHOUND EXITS ALONG INTERSTATE 80. THESE CONDITIONS WILL CONTINUE FOR SEVERAL MORE HOURS TONIGHT UNTIL THE WINDS BEGIN TO SUBSIDE TOWARDS DAYBREAK. ANY TRAVEL IN THESE AREAS IS HIGHLY DISCOURAGED. WYZ110-241100- /O.UPG.KCYS.WW.Y.0028.000000T0000Z-151224T0700Z/ /O.NEW.KCYS.BZ.W.0003.151224T0255Z-151224T1200Z/ NORTH SNOWY RANGE FOOTHILLS- INCLUDING THE CITIES OF...ARLINGTON...ELK MOUNTAIN 755 PM MST WED DEC 23 2015 ...BLIZZARD WARNING IN EFFECT UNTIL 5 AM MST THURSDAY... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A BLIZZARD WARNING...WHICH IS IN EFFECT UNTIL 5 AM MST THURSDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. * TIMING...THROUGH MIDNIGHT TONIGHT. * TOTAL SNOW ACCUMULATIONS...LITTLE OR NO ADDITIONAL SNOWFALL ACCUMULATION. * WINDS/VISIBILITY...WEST WINDS 35 TO 45 MPH WITH GUSTS TO 65 MPH. WINDS PRODUCING BLOWING SNOW AND NEAR WHITEOUT CONDITIONS WITH ZERO VISIBILITIES AT TIMES. * IMPACTS...MAINLY TO TRAVEL AND RECREATION. ROADS WILL REMAIN ICY AND SNOW PACKED AND WILL LIKELY BE IMPASSABLE IN SOME LOCATIONS. VERY LOW VISIBILITIES AND VERY COLD TEMPERATURES WILL BE DANGEROUS TO ANYONE CAUGHT OUTDOORS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN WYOMING...DIAL 5 1 1. AVOID RAILROAD CROSSINGS IF POSSIBLE...USE EXTREME CAUTION WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS IF NOT ABLE TO AVOID THEM. && $$
2 follow-up statements
824 WWUS45 KCYS 240536 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 1036 PM MST WED DEC 23 2015 ...BLIZZARD CONDITIONS BEING OBSERVED ALONG INTERSTATE 80 AT ARLINGTON WYOMING... .STRONG WINDS FROM 40 TO 60 MPH ARE PRODUCING SIGNIFICANT BLOWING SNOW AND REDUCING VISIBILITIES TO NEAR ZERO IN SECTIONS OF INTERSTATE 80 BETWEEN LARAMIE AND RAWLINS...MORE SPECIFICALLY AROUND THE ARLINGTON AND WAGONHOUND EXITS ALONG INTERSTATE 80. THESE CONDITIONS WILL CONTINUE FOR SEVERAL MORE HOURS TONIGHT UNTIL THE WINDS BEGIN TO SUBSIDE TOWARDS DAYBREAK. ANY TRAVEL IN THESE AREAS IS HIGHLY DISCOURAGED. WYZ110-241200- /O.CON.KCYS.BZ.W.0003.000000T0000Z-151224T1200Z/ NORTH SNOWY RANGE FOOTHILLS- INCLUDING THE CITIES OF...ARLINGTON...ELK MOUNTAIN 1036 PM MST WED DEC 23 2015 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... * TIMING...THROUGH EARLY THURSDAY MORNING. * TOTAL SNOW ACCUMULATIONS...LITTLE OR NO ADDITIONAL SNOWFALL ACCUMULATION. * WINDS/VISIBILITY...WEST WINDS 35 TO 45 MPH WITH GUSTS TO 60 MPH. WINDS PRODUCING BLOWING SNOW AND NEAR WHITEOUT CONDITIONS WITH ZERO VISIBILITIES AT TIMES. * IMPACTS...MAINLY TO TRAVEL AND RECREATION. ROADS WILL REMAIN ICY AND SNOW PACKED AND WILL LIKELY BE IMPASSABLE IN SOME LOCATIONS. VERY LOW VISIBILITIES AND VERY COLD TEMPERATURES WILL BE DANGEROUS TO ANYONE CAUGHT OUTDOORS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN WYOMING...DIAL 5 1 1. AVOID RAILROAD CROSSINGS IF POSSIBLE...USE EXTREME CAUTION WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS IF NOT ABLE TO AVOID THEM. && $$
809 WWUS45 KCYS 241101 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 401 AM MST THU DEC 24 2015 WYZ110-241215- /O.CAN.KCYS.BZ.W.0003.000000T0000Z-151224T1200Z/ NORTH SNOWY RANGE FOOTHILLS- INCLUDING THE CITIES OF...ARLINGTON...ELK MOUNTAIN 401 AM MST THU DEC 24 2015 ...BLIZZARD WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS CANCELLED THE BLIZZARD WARNING. WINDS HAVE STEADILY DIMINISHED OVERNIGHT WITH VISIBILITIES IMPROVED SUBSTANTIALLY FROM EARLIER. WINDS ARE EXPECTED TO FURTHER EASE THROUGH THE MORNING...ALTHOUGH A FEW SPOTS NEAR ARLINGTON MAY STILL EXPERIENCE BLOWING SNOW CONDITIONS WITH VISIBILITIES DOWN TO ONE HALF MILE AT TIMES. WIDESPREAD WHITEOUT CONDITIONS ARE NOT ANTICIPATED THOUGH...SO WILL CANCEL THE BLIZZARD WARNING. $$
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 24, 1:17 PM MST | Winter Weather Advisory | CYS | Albany, Carbon, Converse, Goshen, Laramie, Niobrara and 1 more | 43 hr |
Nearby
Blizzard Warnings in Wyoming, 2015Every blizzard warning in 2015
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.