Alert archive / Wyoming / Blizzard Warnings in 2013
Blizzard Warning 4, NWS Cheyenne, WY
NWS Cheyenne, WY issued this blizzard warning at Dec 9, 2013, 9:11 AM MST for Albany County, Carbon County, Wyoming. It was in force for 5 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 9, 2013, 9:11 AM MST (16:11 UTC)
- Expired
- Dec 9, 2013, 2:36 PM MST
- In force
- 5 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 16:11 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Riverton, WY (KRIW), launched 12:00Z, 4.2 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
- 1273 m above ground
- 0-6 km bulk shear
- 69 kt
- 0-1 km storm-relative helicity
- 395 m²/s²
- 0-3 km storm-relative helicity
- 351 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS45 KCYS 091611 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 911 AM MST MON DEC 9 2013 ...STRONG WINDS WITH BLOWING SNOW AND COLD WIND CHILLS TODAY INTO TUESDAY... .STRONG WINDS WILL BE FOUND ACROSS PORTIONS OF SOUTHEAST WYOMING TODAY AND TUESDAY. THESE STRONG WINDS WILL PRODUCE BLOWING SNOW WHICH WILL REDUCE VISIBILITIES IN SOME LOCATIONS...SUCH AS ALONG THE SUMMIT BETWEEN CHEYENNE AND LARAMIE...AND INTO THE ARLINGTON AREA BETWEEN LARAMIE AND RAWLINGS. SIGNIFICANT REDUCTIONS IS VISIBILITIES CAN BE EXPECTED TODAY INTO TUESDAY WITH GROUND BLIZZARD CONDITIONS AT TIMES. IN ADDITION THE STRONG WINDS WILL CONTINUE TO PRODUCE BITTERLY COLD WIND CHILLS BETWEEN 25 BELOW ZERO TO 35 BELOW ZERO. NEZ002-003-019>021-054-055-095-096-091715- /O.CAN.KCYS.WC.Y.0008.000000T0000Z-131209T1600Z/ DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE- NORTH SIOUX-SOUTH SIOUX- INCLUDING THE CITIES OF...CHADRON...ALLIANCE...SCOTTSBLUFF... GERING...HARRISBURG...BRIDGEPORT...BAYARD...KIMBALL...SIDNEY... HARRISON...AGATE 911 AM MST MON DEC 9 2013 ...WIND CHILL ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS CANCELLED THE WIND CHILL ADVISORY. TEMPERATURES HAVE STARTED TO WARM ACROSS THE NEBRASKA PANHANDLE SUCH THAT WIND CHILLS ARE NOW BELOW CRITICAL VALUES. $$ WYZ110-100400- /O.NEW.KCYS.BZ.W.0004.131209T1611Z-131211T0100Z/ NORTH SNOWY RANGE FOOTHILLS- INCLUDING THE CITIES OF...ARLINGTON...ELK MOUNTAIN 911 AM MST MON DEC 9 2013 ...BLIZZARD WARNING IN EFFECT UNTIL 6 PM MST TUESDAY... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A BLIZZARD WARNING...WHICH IS IN EFFECT UNTIL 6 PM MST TUESDAY. * TIMING...STRONG WINDS WILL CONTINUE TODAY AND INTO TUESDAY AFTERNOON ALONG WITH SIGNIFICANT BLOWING SNOW. * WINDS/VISIBILITIES...SUSTAINED WINDS BETWEEN 35 AND 45 MPH WITH FREQUENT GUSTS TO 60 MPH AND OCCASIONAL GUSTS UPWARDS OF 70 MPH. STRONG WINDS WILL PRODUCE VISIBILITIES LESS THAN ONE QUARTER MILE AND VISIBILITIES WILL BE REDUCED TO NEAR ZERO AT TIMES. * WIND CHILLS...WIND CHILL VALUES OF 25 BELOW TO 35 BELOW ZERO. * IMPACTS...STRONG WINDS AND POOR VISIBILITIES WILL MAY TRAVEL DIFFICULT ACROSS THE WARNED AREA. HIGH PROFILE AND LIGHT WEIGHT VEHICLES WILL SUFFER FROM BLOW OVER RISK. BITTER COLD WIND CHILLS CAN FREEZE SKIN IN ONLY A FEW MINUTES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GROUND BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES WILL OCCUR. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN WYOMING AND NEBRASKA...DIAL 5 1 1. AVOID RAILROAD CROSSINGS IF POSSIBLE...USE EXTREME CAUTION WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS IF NOT ABLE TO AVOID THEM. && $$ LIEBL
1 follow-up statement
000 WWUS45 KCYS 092136 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 236 PM MST MON DEC 9 2013 ...WIDESPREAD BLOWING SNOW AND LOW VISIBILITIES NO LONGER A SIGNIFICANT THREAT... .DESPITE VERY STRONG WINDS CONTINUING ACROSS THE ARLINGTON AREA...VISIBILITIES HAVE IMPROVED SIGNIFICANTLY OVER THE PAST FEW HOURS. BLIZZARD CONDITIONS ARE NOT LONGER EXPECTED IN THE ARLINGTON AREA...BUT LOCALLY VISIBILITIES MAY BE REDUCED TO LESS THAN ONE QUARTER MILE AT TIMES. VISIBILITIES WILL CONTINUE TO SLOWLY IMPROVE THE REST OF TODAY AND TONIGHT. BITTER COLD WIND CHILLS AND STRONG WINDS WILL CONTINUE THROUGH TUESDAY AFTERNOON. WYZ110-092245- /O.CAN.KCYS.BZ.W.0004.000000T0000Z-131211T0100Z/ NORTH SNOWY RANGE FOOTHILLS- INCLUDING THE CITIES OF...ARLINGTON...ELK MOUNTAIN 236 PM MST MON DEC 9 2013 ...BLIZZARD WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS CANCELLED THE BLIZZARD WARNING. THE BLIZZARD WARNING HAS BEEN REPLACED BY A HIGH WIND WARNING. DESPITE VERY STRONG WINDS CONTINUING ACROSS THE ARLINGTON ARE AREA...VISIBILITIES HAVE IMPROVED SIGNIFICANTLY OVER THE PAST FEW HOURS. BLIZZARD CONDITIONS ARE NOT LONGER EXPECTED IN THE ARLINGTON AREA...BUT LOCALLY VISIBILITIES MAY BE REDUCED TO LESS THAN ONE QUARTER MILE AT TIMES. VISIBILITIES WILL CONTINUE TO SLOWLY IMPROVE THE REST OF TODAY AND TONIGHT. $$ LIEBL
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 9, 2:54 AM MST | High Wind Warning | CYS | Albany, Carbon, Laramie, Platte | 39 hr |
Nearby
Blizzard Warnings in Wyoming, 2013Every blizzard warning in 2013
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.