Alert archive / Wyoming / Blizzard Warnings in 2015
Blizzard Warning 2, NWS Cheyenne, WY
NWS Cheyenne, WY issued this blizzard warning at Dec 17, 2015, 3:32 PM MST for Albany County, Carbon County, Laramie County, Wyoming. It was in force for 19 hr. 6 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
- Dec 17, 2015, 3:32 PM MST (22:32 UTC)
- Expired
- Dec 18, 2015, 11:00 AM MST
- In force
- 19 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 22:34 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 |
|---|---|---|---|
| Dec 17, 4:50 PM MST | BLIZZARD | Arlington, WY | WYDOT VIS SENSOR UNDER A QUARTER MILE FOR 3 HOURS. WINDS 34 TO 39 MPH SUSTAINED WITH GUSTS TO 50 MPH. |
| Dec 17, 5:00 PM MST | BLIZZARD | Elk Mountain, WY | VISIBILITY AT A QUARTER MILE FOR PAST HOUR. |
| Dec 17, 6:30 PM MST | BLIZZARD | 7 Ese Arlington, WY | COOPER COVE WYDOT SITE. VIS SENSOR UNDER A QUARTER MILE FOR PAST HOUR. WINDS 40 MPH SUSTAINED WITH GUSTS TO 60 MPH. |
| Dec 18, 3:15 AM MST | BLIZZARD | 3 Nw Arlington, WY | FOOTE CREEK WYDOT SITE. VISIBILITY UNDER A QUARTER MILE. WINDS 49 TO 51 MPH SUSTAINED WITH GUSTS TO 67 MPH. |
| Dec 18, 3:20 AM MST | BLIZZARD | 11 Se Arlington, WY | STROUSS HILL WYDOT SITE. VISIBILITY UNDER A QUARTER MILE. WINDS 37 TO 39 MPH SUSTAINED WITH GUSTS TO 65 MPH. |
| Dec 18, 3:25 AM MST | BLIZZARD | Arlington, WY | ARLINGTON WEST WYDOT SITE. VISIBILITY UNDER A QUARTER MILE ON SENSOR. WINDS 55 TO 57 MPH SUSTAINED GUSTING TO 65 MPH. |
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 12:00Z, 10.5 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
- 1032 m above ground
- 0-6 km bulk shear
- 107 kt
- 0-1 km storm-relative helicity
- 57 m²/s²
- 0-3 km storm-relative helicity
- 192 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
542 WWUS45 KCYS 172232 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 332 PM MST THU DEC 17 2015 ...GROUND BLIZZARD CONDITIONS DUE TO VERY STRONG WINDS AND BLOWING SNOW WILL CONTINUE FOR THE ARLINGTON AND VEDAUWOO AREAS THROUGH FRIDAY... WYZ110-116-181300- /O.NEW.KCYS.BZ.W.0002.151217T2232Z-151218T2200Z/ NORTH SNOWY RANGE FOOTHILLS-SOUTH LARAMIE RANGE- INCLUDING THE CITIES OF...ARLINGTON...ELK MOUNTAIN...VEDAUWOO... BUFORD...PUMPKIN VINE 332 PM MST THU DEC 17 2015 ...GROUND BLIZZARD WARNING IN EFFECT UNTIL 3 PM MST FRIDAY... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A GROUND BLIZZARD WARNING...WHICH IS IN EFFECT UNTIL 3 PM MST FRIDAY. * TIMING...WHITE OUT CONDITIONS DUE TO VERY STRONG WINDS AND BLOWING SNOW WILL CONTINUE THROUGH EARLY FRIDAY AFTERNOON. * WINDS/VISIBILITY...WEST TO SOUTHWEST 35 TO 50 MPH WITH GUSTS 60 TO 70 MPH. THE STRONGEST WINDS ARE EXPECTED TONIGHT BETWEEN 10 PM AND 9 AM. * IMPACTS...VERY STRONG WINDS WILL PRODUCE WHITE OUT CONDITIONS AND SIGNIFICANT DRIFTING. TRAVEL WILL BE DANGEROUS TO IMPOSSIBLE TONIGHT THROUGH FRIDAY. THIS INCLUDES INTERSTATE 80 FROM MILE MARKERS 240 TO 280 AND MILE MARKERS 320 TO 350. STAY INSIDE. THESE GROUND BLIZZARD CONDITIONS CAN BE LIFE THREATENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GROUND BLIZZARD WARNING MEANS WHITE OUT CONDITIONS ARE EXPECTED OR OCCURRING. BLOWING SNOW WITH VERY STRONG WINDS AND EXTREMELY POOR VISIBILITIES ARE LIKELY. THIS WILL MAKE 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. && $$
3 follow-up statements
010 WWUS45 KCYS 180317 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 817 PM MST THU DEC 17 2015 ...GROUND BLIZZARD CONDITIONS DUE TO STRONG WINDS AND BLOWING SNOW WILL CONTINUE FOR THE ARLINGTON AND VEDAUWOO AREAS THROUGH EARLY FRIDAY AFTERNOON... WYZ110-116-181300- /O.CON.KCYS.BZ.W.0002.000000T0000Z-151218T2200Z/ NORTH SNOWY RANGE FOOTHILLS-SOUTH LARAMIE RANGE- INCLUDING THE CITIES OF...ARLINGTON...ELK MOUNTAIN...VEDAUWOO... BUFORD...PUMPKIN VINE 817 PM MST THU DEC 17 2015 ...GROUND BLIZZARD WARNING REMAINS IN EFFECT UNTIL 3 PM MST FRIDAY... * TIMING...WHITEOUT CONDITIONS DUE TO STRONG WINDS AND BLOWING SNOW WILL CONTINUE THROUGH EARLY FRIDAY AFTERNOON. * WINDS/VISIBILITY...SUSTAINED WEST TO SOUTHWEST WINDS 35 TO 50 MPH WITH GUSTS OF 60 TO 70 MPH. THE STRONGEST WINDS WILL OCCUR BETWEEN 10 PM AND 9 AM. * IMPACTS...STRONG WINDS WILL PRODUCE WHITEOUT CONDITIONS AND SIGNIFICANT BLOWING AND DRIFTING SNOW. TRAVEL WILL BE DANGEROUS TO IMPOSSIBLE TONIGHT THROUGH FRIDAY EARLY AFTERNOON. THIS INCLUDES INTERSTATE 80 FROM MILE MARKERS 240 TO 280 AND MILE MARKERS 320 TO 350. STAY INDOORS. GROUND BLIZZARD CONDITIONS CAN BE LIFE THREATENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GROUND BLIZZARD WARNING MEANS WHITEOUT CONDITIONS ARE EXPECTED OR OCCURRING. BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES ARE LIKELY. THIS WILL MAKE TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN WYOMING...DIAL 5 1 1. USE EXTREME CAUTION WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS IF NOT ABLE TO AVOID THEM. && $$
086 WWUS45 KCYS 180843 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 143 AM MST FRI DEC 18 2015 ...GROUND BLIZZARD CONDITIONS DUE TO STRONG WINDS AND BLOWING SNOW WILL CONTINUE FOR THE ARLINGTON AND VEDAUWOO AREAS THROUGH LATE THIS MORNING... WYZ110-116-181800- /O.EXT.KCYS.BZ.W.0002.000000T0000Z-151218T1800Z/ NORTH SNOWY RANGE FOOTHILLS-SOUTH LARAMIE RANGE- INCLUDING THE CITIES OF...ARLINGTON...ELK MOUNTAIN...VEDAUWOO... BUFORD...PUMPKIN VINE 143 AM MST FRI DEC 18 2015 ...BLIZZARD WARNING NOW IN EFFECT UNTIL 11 AM MST THIS MORNING... * TIMING...THROUGH LATE THIS MORNING. * WINDS/VISIBILITY...SUSTAINED WEST TO SOUTHWEST WINDS 35 TO 50 MPH WITH GUSTS TO 65 MPH. THE STRONGEST WINDS WILL OCCUR THROUGH MID MORNING. VISIBILITIES WILL DROP TO AROUND ONE QUARTER MILE. * IMPACTS...STRONG WINDS WILL PRODUCE NEAR WHITEOUT CONDITIONS AND SIGNIFICANT BLOWING AND DRIFTING SNOW. TRAVEL WILL BE DANGEROUS TO IMPOSSIBLE THROUGH LATE THIS MORNING. THIS INCLUDES INTERSTATE 80 FROM MILE MARKERS 240 TO 280 AND MILE MARKERS 320 TO 350. STAY INDOORS. GROUND BLIZZARD CONDITIONS CAN BE LIFE THREATENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GROUND BLIZZARD WARNING MEANS WHITEOUT CONDITIONS ARE EXPECTED OR OCCURRING. BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES ARE LIKELY. THIS WILL MAKE 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. USE EXTREME CAUTION WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS IF NOT ABLE TO AVOID THEM. && $$
423 WWUS45 KCYS 181759 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 1059 AM MST FRI DEC 18 2015 WYZ110-116-181900- /O.EXP.KCYS.BZ.W.0002.000000T0000Z-151218T1800Z/ NORTH SNOWY RANGE FOOTHILLS-SOUTH LARAMIE RANGE- INCLUDING THE CITIES OF...ARLINGTON...ELK MOUNTAIN...VEDAUWOO... BUFORD...PUMPKIN VINE 1059 AM MST FRI DEC 18 2015 ...GROUND BLIZZARD WARNING WILL BE REPLACED WITH A HIGH WIND WARNING... VISIBILITIES HAVE IMPROVED ACROSS THE AREA...WITH ONLY A FEW SPOTS SHOWING REDUCTIONS LESS THAN A MILE. THE MAIN THREAT WILL TRANSITION TO THE WIDESPREAD STRONG WINDS ACROSS THE AREA...SO WILL REPLACE THE GROUND BLIZZARD WARNING WITH A HIGH WIND WARNING. HOWEVER...SLICK ROADS AND LOCALLY REDUCED VISIBILITIES WILL CONTINUE IN THE ARLINGTON AND VEDAUWOO-BUFORD AREAS DUE TO BLOWING SNOW. $$
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 17, 2:22 AM MST | High Wind Warning | CYS | Albany, Carbon, Laramie, Platte | 40 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.