Alert archive / Nebraska / Wind Chill Warnings in 2017
Wind Chill Warning 2, NWS Cheyenne, WY
NWS Cheyenne, WY issued this wind chill warning at Dec 30, 2017, 2:31 PM MST for 5 counties in Nebraska. It took effect at Dec 30, 2017, 5:00 PM MST. It was in force for 37 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 30, 2017, 2:31 PM MST (21:31 UTC)
- In effect from
- Dec 30, 2017, 5:00 PM MST
- Expired
- Jan 1, 2018, 6:15 AM MST
- In force
- 37 hr
- Issued by
- NWS Cheyenne, WY
Counties Box Butte County, NE, Dawes County, NE, Morrill County, NE, Scotts Bluff County, NE, Sioux County, NE
The radar
The Cheyenne radar (KCYS), 168 km from the middle of the area, began a volume at 21:30 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
Rapid City, SD (KRAP), launched 12:00Z, 9.5 hours before the alert went out and 211 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
- 656 m above ground
- 0-6 km bulk shear
- 91 kt
- 0-1 km storm-relative helicity
- 110 m²/s²
- 0-3 km storm-relative helicity
- 381 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
300 WWUS45 KCYS 302131 WSWCYS URGENT - WINTER WEATHER MESSAGE National Weather Service Cheyenne WY 231 PM MST Sat Dec 30 2017 ...EXTREMELY DANGEROUS WIND CHILLS LIKELY THIS WEEKEND... NEZ002-003-019-021-095-096-311300- /O.NEW.KCYS.WC.W.0002.171231T0000Z-180101T1600Z/ Dawes-Box Butte-Scotts Bluff-Morrill-North Sioux-South Sioux- Including the cities of Chadron, Chadron St Park, Alliance, Scottsbluff, Gering, Angora, Bridgeport, Bayard, Redington, Harrison, and Agate 231 PM MST Sat Dec 30 2017 ...WIND CHILL WARNING IN EFFECT UNTIL 9 AM MST MONDAY... * WHAT...Dangerously cold wind chills expected. The dangerously cold wind chills will cause frostbite in as little as 10 minutes to exposed skin. Expect wind chills as low as 35 below zero. * WHERE...Northern Nebraska Panhandle, including the cities of Scottsbluff, Harrison, Chadron, Alliance and Bridgeport. * WHEN...Tonight and Sunday Night. Wind chills remaining very cold during the day on Sunday. * ADDITIONAL DETAILS...Those planning outdoor activities for the New Years holiday should dress accordingly. Extended exposure to such conditions can result in frost bite and hypothermia, and can be life threatening if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Chill Warning means the combination of very cold air and the wind will create dangerously low wind chill values. Frost bite can occur quickly and even hypothermia or death if precautions are not taken. $$ NEZ020-054-055-WYZ101-102-107-108-119-311300- /O.NEW.KCYS.WC.Y.0006.171231T0000Z-180101T1600Z/ Banner-Kimball-Cheyenne-Converse County Lower Elevations- Niobrara County-East Platte County-Goshen County- East Laramie County- Including the cities of Harrisburg, Kimball, Brownson, Sidney, Bill, Douglas, Deer Creek, Glenrock, Lusk, Redbird, Wheatland, Guernsey, Torrington, and Pine Bluffs 231 PM MST Sat Dec 30 2017 ...WIND CHILL ADVISORY IN EFFECT UNTIL 9 AM MST MONDAY... * WHAT...Very cold wind chills expected. The cold wind chills will cause frostbite in as little as 30 minutes to exposed skin. Expect wind chills to range from 20 below zero to 30 below zero. * WHERE...Much of southeast Wyoming and the southern Nebraska Panhandle. * WHEN...Tonight and Sunday Night. Wind chills remaining very cold during the day on Sunday. * ADDITIONAL DETAILS...Those planning outdoor activities for the New Years holiday should dress accordingly. Extended exposure to such conditions can result in frost bite and hypothermia, and can be life threatening if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Chill Advisory means that cold air and the wind will combine to create low wind chills. Frost bite and hypothermia can occur if precautions are not taken. Make sure you wear a hat and gloves. $$ HAMMER
3 follow-up statements
724 WWUS45 KCYS 311056 WSWCYS URGENT - WINTER WEATHER MESSAGE National Weather Service Cheyenne WY 356 AM MST Sun Dec 31 2017 ...EXTREMELY DANGEROUS WIND CHILLS LIKELY THROUGH MONDAY MORNING... NEZ002-003-019-021-095-096-312300- /O.CON.KCYS.WC.W.0002.000000T0000Z-180101T1600Z/ Dawes-Box Butte-Scotts Bluff-Morrill-North Sioux-South Sioux- Including the cities of Chadron, Chadron St Park, Alliance, Scottsbluff, Gering, Angora, Bridgeport, Bayard, Redington, Harrison, and Agate 356 AM MST Sun Dec 31 2017 ...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 9 AM MST MONDAY... * WHAT...Dangerously cold wind chills expected. The dangerously cold wind chills will cause frostbite in as little as 10 minutes to exposed skin. Expect wind chills to range from 0 to 35 below zero. * WHERE...Northern Nebraska Panhandle, including the cities of Scottsbluff, Harrison, Chadron, Alliance and Bridgeport. * WHEN...Now to 9 AM Monday. * ADDITIONAL DETAILS...Those planning outdoor activities for the New Years holiday should dress accordingly. Extended exposure to such conditions can result in frost bite and hypothermia, and can be life threatening if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Chill Warning means the combination of very cold air and the wind will create dangerously low wind chill values. Frost bite can occur quickly and even hypothermia or death if precautions are not taken. $$ NEZ020-054-055-WYZ101-102-107-108-119-312300- /O.CON.KCYS.WC.Y.0006.000000T0000Z-180101T1600Z/ Banner-Kimball-Cheyenne-Converse County Lower Elevations- Niobrara County-East Platte County-Goshen County- East Laramie County- Including the cities of Harrisburg, Kimball, Brownson, Sidney, Bill, Douglas, Deer Creek, Glenrock, Lusk, Redbird, Wheatland, Guernsey, Torrington, and Pine Bluffs 356 AM MST Sun Dec 31 2017 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST MONDAY... * WHAT...Very cold wind chills expected. The cold wind chills will cause frostbite in as little as 30 minutes to exposed skin. Expect wind chills to range from 0 to 24 below zero. * WHERE...Much of southeast Wyoming and the southern Nebraska Panhandle. * WHEN...Now to 9 AM Monday. * ADDITIONAL DETAILS...Those planning outdoor activities for the New Years holiday should dress accordingly. Extended exposure to such conditions can result in frost bite and hypothermia, and can be life threatening if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Chill Advisory means that cold air and the wind will combine to create low wind chills. Frost bite and hypothermia can occur if precautions are not taken. Make sure you wear a hat and gloves. $$
514 WWUS45 KCYS 312110 WSWCYS URGENT - WINTER WEATHER MESSAGE National Weather Service Cheyenne WY 210 PM MST Sun Dec 31 2017 ...EXTREMELY DANGEROUS WIND CHILLS LIKELY THROUGH MONDAY MORNING... NEZ002-003-019-021-095-096-011200- /O.CON.KCYS.WC.W.0002.000000T0000Z-180101T1600Z/ Dawes-Box Butte-Scotts Bluff-Morrill-North Sioux-South Sioux- Including the cities of Chadron, Chadron St Park, Alliance, Scottsbluff, Gering, Angora, Bridgeport, Bayard, Redington, Harrison, and Agate 210 PM MST Sun Dec 31 2017 ...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 9 AM MST MONDAY... * WHAT...Dangerously cold wind chills expected. The dangerously cold wind chills will cause frostbite in as little as 10 minutes to exposed skin. Expect wind chills as low as 35 below zero. * WHERE...Northern Nebraska Panhandle, including the cities of Scottsbluff, Harrison, Chadron, Alliance and Bridgeport. * WHEN...Tonight through 9 AM MST Monday. * ADDITIONAL DETAILS...Those planning outdoor activities for the New Years holiday should dress accordingly. Extended exposure to such conditions can result in frost bite and hypothermia, and can be life threatening if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Chill Warning means the combination of very cold air and the wind will create dangerously low wind chill values. Frost bite can occur quickly and even hypothermia or death if precautions are not taken. $$ NEZ020-054-055-WYZ101-102-107-108-119-011200- /O.CON.KCYS.WC.Y.0006.000000T0000Z-180101T1600Z/ Banner-Kimball-Cheyenne-Converse County Lower Elevations- Niobrara County-East Platte County-Goshen County- East Laramie County- Including the cities of Harrisburg, Kimball, Brownson, Sidney, Bill, Douglas, Deer Creek, Glenrock, Lusk, Redbird, Wheatland, Guernsey, Torrington, and Pine Bluffs 210 PM MST Sun Dec 31 2017 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST MONDAY... * WHAT...Very cold wind chills expected. The cold wind chills will cause frostbite in as little as 30 minutes to exposed skin. Expect wind chills between 20 below zero and 30 below zero. * WHERE...Much of southeast Wyoming and the southern Nebraska Panhandle. * WHEN...Tonight through 9 AM MST Monday. * ADDITIONAL DETAILS...Those planning outdoor activities for the New Years holiday should dress accordingly. Extended exposure to such conditions can result in frost bite and hypothermia, and can be life threatening if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Chill Advisory means that cold air and the wind will combine to create low wind chills. Frost bite and hypothermia can occur if precautions are not taken. Make sure you wear a hat and gloves. $$ CLH
030 WWUS45 KCYS 011315 WSWCYS URGENT - WINTER WEATHER MESSAGE National Weather Service Cheyenne WY 615 AM MST Mon Jan 1 2018 ...Windchill Warnings and Advisories Cancelled... NEZ002-003-019-021-095-096-011415- /O.CAN.KCYS.WC.W.0002.000000T0000Z-180101T1600Z/ Dawes-Box Butte-Scotts Bluff-Morrill-North Sioux-South Sioux- Including the cities of Chadron, Chadron St Park, Alliance, Scottsbluff, Gering, Angora, Bridgeport, Bayard, Redington, Harrison, and Agate 615 AM MST Mon Jan 1 2018 ...WIND CHILL WARNING IS CANCELLED... Clouds are moving into the warned area keeping temperatures fairly warm. Wind chill temperatures are expected to remain above critical thresholds through the rest of the morning. Therefore...the Wind Chill Warning is cancelled early. $$ NEZ020-054-055-WYZ101-102-107-108-119-011415- /O.CAN.KCYS.WC.Y.0006.000000T0000Z-180101T1600Z/ Banner-Kimball-Cheyenne-Converse County Lower Elevations- Niobrara County-East Platte County-Goshen County- East Laramie County- Including the cities of Harrisburg, Kimball, Brownson, Sidney, Bill, Douglas, Deer Creek, Glenrock, Lusk, Redbird, Wheatland, Guernsey, Torrington, and Pine Bluffs 615 AM MST Mon Jan 1 2018 ...WIND CHILL ADVISORY IS CANCELLED... Clouds are moving into the advised area keeping temperatures fairly warm. Wind chill temperatures are expected to remain above critical thresholds through the rest of the morning. Therefore...the Wind Chill Advisory is cancelled early.. $$
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 30, 2:31 PM MST | Wind Chill Advisory | CYS | Banner, Cheyenne, Kimball | 40 hr |
Nearby
Wind Chill Warnings in Nebraska, 2017Every wind chill warning in 2017
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.