Alert archive / Oklahoma / Wind Chill Advisories in 2021
Wind Chill Advisory 1, NWS Tulsa, OK
NWS Tulsa, OK issued this wind chill advisory at Feb 11, 2021, 2:15 PM CST for 11 counties in Oklahoma; Benton County, Arkansas. It took effect at Feb 12, 2021, 3:00 AM CST. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Feb 11, 2021, 2:15 PM CST (20:15 UTC)
- In effect from
- Feb 12, 2021, 3:00 AM CST
- Expired
- Feb 12, 2021, 12:00 PM CST
- In force
- 9 hr
- Issued by
- NWS Tulsa, OK
Counties Benton County, AR, Craig County, OK, Creek County, OK, Delaware County, OK, Mayes County, OK, Nowata County, OK, Ottawa County, OK, Pawnee County, OK, Rogers County, OK, Tulsa County, OK, Wagoner County, OK, Washington County, OK
The radar
The Tulsa radar (KINX), 26 km from the middle of the area, began a volume at 20:17 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
Springfield, MO (KSGF), launched 12:00Z, 8.3 hours before the alert went out and 161 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
- 4 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 482 m above ground
- 0-6 km bulk shear
- 75 kt
- 0-1 km storm-relative helicity
- 178 m²/s²
- 0-3 km storm-relative helicity
- 189 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
757 WWUS44 KTSA 112015 WSWTSA URGENT - WINTER WEATHER MESSAGE National Weather Service Tulsa OK 215 PM CST Thu Feb 11 2021 OKZ060-061-064-121200- /O.NEW.KTSA.WW.Y.0004.210211T2015Z-210212T1200Z/ /O.NEW.KTSA.WC.Y.0001.210212T0900Z-210212T1800Z/ Tulsa-Rogers-Creek- Including the cities of Tulsa, Claremore, and Sapulpa 215 PM CST Thu Feb 11 2021 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 AM CST FRIDAY... ...WIND CHILL ADVISORY IN EFFECT FROM 3 AM TO NOON CST FRIDAY... * WHAT...Lake effect snow. Additional snow accumulations of up to one inch. Very cold wind chills expected late tonight into Friday morning. Wind chills as low as 10 below zero. * WHERE...Tulsa, Rogers and Creek Counties. * WHEN...For the Winter Weather Advisory, until 6 AM CST Friday. For the Wind Chill Advisory, from 3 AM to noon CST Friday. * IMPACTS...Plan on slippery road conditions along the lake effect snow band. The hazardous conditions could impact the evening commute. Frost bite and hypothermia are possible if precautions are not taken late tonight into Friday morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. For the latest road conditions call 1-844-465-4997 or go to okRoads.org. && $$ ARZ001-OKZ054>059-062-063-067-121200- /O.NEW.KTSA.WC.Y.0001.210212T0900Z-210212T1800Z/ Benton-Osage-Washington OK-Nowata-Craig-Ottawa-Pawnee-Mayes- Delaware-Wagoner- Including the cities of Rogers, Bentonville, Pawhuska, Bartlesville, Nowata, Vinita, Miami, Pawnee, Pryor, Grove, Jay, and Wagoner 215 PM CST Thu Feb 11 2021 ...WIND CHILL ADVISORY IN EFFECT FROM 3 AM TO NOON CST FRIDAY... * WHAT...Very cold wind chills expected. Wind chills as low as 10 below zero. * WHERE...Portions of northeast Oklahoma and northwest Arkansas. * WHEN...From 3 AM to noon CST Friday. * IMPACTS...Frost bite and hypothermia are possible if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$ Stay tuned to NOAA weather radio,commercial radio or television for the latest information,forecasts,and warnings. For more information from the National Weather Service visit https://weather.gov/tsa
3 follow-up statements
401 WWUS44 KTSA 120933 WSWTSA URGENT - WINTER WEATHER MESSAGE National Weather Service Tulsa OK 333 AM CST Fri Feb 12 2021 OKZ060-061-064-121800- /O.CAN.KTSA.WW.Y.0004.000000T0000Z-210212T1200Z/ /O.NEW.KTSA.WS.A.0003.210214T1200Z-210216T0000Z/ /O.CON.KTSA.WC.Y.0001.000000T0000Z-210212T1800Z/ Tulsa-Rogers-Creek- Including the cities of Tulsa, Claremore, and Sapulpa 333 AM CST Fri Feb 12 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY... ...WINTER STORM WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY AFTERNOON... ...WINTER WEATHER ADVISORY IS CANCELLED... * WHAT...For the Wind Chill Advisory, very cold wind chills. Wind chills as low as 5 below zero. For the Winter Storm Watch, heavy snow possible. Total snow accumulations of 6 to 10 inches possible. * WHERE...Tulsa, Rogers and Creek Counties. * WHEN...For the Wind Chill Advisory, until noon CST today. For the Winter Storm Watch, from Sunday morning through Monday afternoon. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning or evening commute. The cold wind chills could result in hypothermia if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons should consider delaying travel on Sunday and Monday. If travel is absolutely necessary, drive with extreme caution. Consider taking a winter storm kit along with you, including such items as tire chains, booster cables, flashlight, shovel, blankets and extra clothing. Also take water, a first aid kit, or anything else that would help you survive in case you become stranded. Monitor the latest forecasts for updates on this situation. && $$ ARZ001-OKZ054>059-062-063-067-121800- /O.NEW.KTSA.WS.A.0003.210214T1200Z-210216T0000Z/ /O.CON.KTSA.WC.Y.0001.000000T0000Z-210212T1800Z/ Benton-Osage-Washington OK-Nowata-Craig-Ottawa-Pawnee-Mayes- Delaware-Wagoner- Including the cities of Rogers, Bentonville, Pawhuska, Bartlesville, Nowata, Vinita, Miami, Pawnee, Pryor, Grove, Jay, and Wagoner 333 AM CST Fri Feb 12 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY... ...WINTER STORM WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY AFTERNOON... * WHAT...For the Wind Chill Advisory, very cold wind chills. Wind chills as low as 10 below zero. For the Winter Storm Watch, heavy snow possible. Total snow accumulations of 6 to 10 inches possible. * WHERE...Portions of northeast Oklahoma and northwest Arkansas. * WHEN...For the Wind Chill Advisory, until noon CST today. For the Winter Storm Watch, from Sunday morning through Monday afternoon. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning or evening commute. The cold wind chills could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons should consider delaying travel on Sunday and Monday. If travel is absolutely necessary, drive with extreme caution. Consider taking a winter storm kit along with you, including such items as tire chains, booster cables, flashlight, shovel, blankets and extra clothing. Also take water, a first aid kit, or anything else that would help you survive in case you become stranded. Monitor the latest forecasts for updates on this situation. && $$ ARZ002-010-011-019-020-029-OKZ049-053-065-066-068>076-121800- /O.NEW.KTSA.WS.A.0003.210214T1200Z-210216T0000Z/ Carroll-Washington AR-Madison-Crawford-Franklin-Sebastian- Pushmataha-Choctaw-Okfuskee-Okmulgee-Cherokee-Adair-Muskogee- McIntosh-Sequoyah-Pittsburg-Haskell-Latimer-Le Flore- Including the cities of Berryville, Eureka Springs, Fayetteville, Springdale, Huntsville, Van Buren, Ozark, Charleston, Fort Smith, Antlers, Clayton, Hugo, Okemah, Okmulgee, Tahlequah, Stilwell, Muskogee, Checotah, Sallisaw, McAlester, Stigler, Wilburton, and Poteau 333 AM CST Fri Feb 12 2021 ...WINTER STORM WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY AFTERNOON... * WHAT...Heavy snow possible. Total snow accumulations of 6 to 10 inches possible. * WHERE...Portions of east central, northeast and southeast Oklahoma and northwest and west central Arkansas. * WHEN...From Sunday morning through Monday afternoon. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning or evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons should consider delaying travel on Sunday and Monday. If travel is absolutely necessary, drive with extreme caution. Consider taking a winter storm kit along with you, including such items as tire chains, booster cables, flashlight, shovel, blankets and extra clothing. Also take water, a first aid kit, or anything else that would help you survive in case you become stranded. Monitor the latest forecasts for updates on this situation. && $$ Stay tuned to NOAA weather radio,commercial radio or television for the latest information,forecasts,and warnings. For more information from the National Weather Service visit https://weather.gov/tsa
286 WWUS44 KTSA 121623 WSWTSA URGENT - WINTER WEATHER MESSAGE National Weather Service Tulsa OK 1023 AM CST Fri Feb 12 2021 ARZ001-OKZ060-064-067-130030- /O.CAN.KTSA.WC.Y.0001.000000T0000Z-210212T1800Z/ /O.CON.KTSA.WS.A.0003.210214T1200Z-210216T0000Z/ Benton-Tulsa-Creek-Wagoner- Including the cities of Rogers, Bentonville, Tulsa, Sapulpa, and Wagoner 1023 AM CST Fri Feb 12 2021 ...WINTER STORM WATCH REMAINS IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY AFTERNOON... ...WIND CHILL ADVISORY IS CANCELLED... * WHAT...For the Winter Storm Watch, heavy snow will be possible. Total snow accumulations of 6 to 10 inches possible. * WHERE...In Oklahoma, Creek, Wagoner and Tulsa Counties. In Arkansas, Benton County. * WHEN...From Sunday morning through Monday afternoon. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning or evening commute. The cold wind chills could result in hypothermia if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ OKZ054>059-061>063-130030- /O.CON.KTSA.WC.Y.0001.000000T0000Z-210212T1800Z/ /O.CON.KTSA.WS.A.0003.210214T1200Z-210216T0000Z/ Osage-Washington OK-Nowata-Craig-Ottawa-Pawnee-Rogers-Mayes- Delaware- Including the cities of Pawhuska, Bartlesville, Nowata, Vinita, Miami, Pawnee, Claremore, Pryor, Grove, and Jay 1023 AM CST Fri Feb 12 2021 ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY... ...WINTER STORM WATCH REMAINS IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY AFTERNOON... * WHAT...For the Wind Chill Advisory, very cold wind chills. Wind chills below 5 below zero at times. For the Winter Storm Watch, heavy snow possible. Total snow accumulations of 6 to 10 inches possible. * WHERE...Tulsa, Rogers and Creek Counties. * WHEN...For the Wind Chill Advisory, until noon CST today. For the Winter Storm Watch, from Sunday morning through Monday afternoon. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning or evening commute. The cold wind chills could result in hypothermia if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. Monitor the latest forecasts for updates on this situation. && $$ ARZ002-010-011-019-020-029-OKZ049-053-065-066-068>076-130030- /O.CON.KTSA.WS.A.0003.210214T1200Z-210216T0000Z/ Carroll-Washington AR-Madison-Crawford-Franklin-Sebastian- Pushmataha-Choctaw-Okfuskee-Okmulgee-Cherokee-Adair-Muskogee- McIntosh-Sequoyah-Pittsburg-Haskell-Latimer-Le Flore- Including the cities of Berryville, Eureka Springs, Fayetteville, Springdale, Huntsville, Van Buren, Ozark, Charleston, Fort Smith, Antlers, Clayton, Hugo, Okemah, Okmulgee, Tahlequah, Stilwell, Muskogee, Checotah, Sallisaw, McAlester, Stigler, Wilburton, and Poteau 1023 AM CST Fri Feb 12 2021 ...WINTER STORM WATCH REMAINS IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY AFTERNOON... * WHAT...Heavy snow possible. Total snow accumulations of 6 to 10 inches possible. * WHERE...Portions of east central, northeast and southeast Oklahoma and northwest and west central Arkansas. * WHEN...From Sunday morning through Monday afternoon. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning or evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ Stay tuned to NOAA weather radio,commercial radio or television for the latest information,forecasts,and warnings. For more information from the National Weather Service visit https://weather.gov/tsa
570 WWUS44 KTSA 121805 WSWTSA URGENT - WINTER WEATHER MESSAGE National Weather Service Tulsa OK 1205 PM CST Fri Feb 12 2021 OKZ054>059-061>063-130215- /O.EXP.KTSA.WC.Y.0001.000000T0000Z-210212T1800Z/ /O.CON.KTSA.WS.A.0003.210214T1200Z-210216T0000Z/ Osage-Washington OK-Nowata-Craig-Ottawa-Pawnee-Rogers-Mayes- Delaware- Including the cities of Pawhuska, Bartlesville, Nowata, Vinita, Miami, Pawnee, Claremore, Pryor, Grove, and Jay 1205 PM CST Fri Feb 12 2021 ...WINTER STORM WATCH REMAINS IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY AFTERNOON... ...WIND CHILL ADVISORY HAS EXPIRED... * WHAT...Heavy snow possible. Total snow accumulations of 5 to 8 inches possible. * WHERE...Tulsa, Rogers and Creek Counties. * WHEN...For the Wind Chill Advisory, until noon CST today. For the Winter Storm Watch, from Sunday morning through Monday afternoon. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning or evening commute. The cold wind chills as low as 20 below zero could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ ARZ001-002-010-011-019-020-029-OKZ049-053-060-064>076-130215- /O.CON.KTSA.WS.A.0003.210214T1200Z-210216T0000Z/ Benton-Carroll-Washington AR-Madison-Crawford-Franklin-Sebastian- Pushmataha-Choctaw-Tulsa-Creek-Okfuskee-Okmulgee-Wagoner-Cherokee- Adair-Muskogee-McIntosh-Sequoyah-Pittsburg-Haskell-Latimer- Le Flore- Including the cities of Rogers, Bentonville, Berryville, Eureka Springs, Fayetteville, Springdale, Huntsville, Van Buren, Ozark, Charleston, Fort Smith, Antlers, Clayton, Hugo, Tulsa, Sapulpa, Okemah, Okmulgee, Wagoner, Tahlequah, Stilwell, Muskogee, Checotah, Sallisaw, McAlester, Stigler, Wilburton, and Poteau 1205 PM CST Fri Feb 12 2021 ...WINTER STORM WATCH REMAINS IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY AFTERNOON... * WHAT...Heavy snow possible. Total snow accumulations of 6 to 10 inches possible. * WHERE...Portions of east central, northeast and southeast Oklahoma and northwest and west central Arkansas. * WHEN...From Sunday morning through Monday afternoon. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning or evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ Stay tuned to NOAA weather radio,commercial radio or television for the latest information,forecasts,and warnings. For more information from the National Weather Service visit https://weather.gov/tsa
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 11, 2:15 PM CST | Winter Weather Advisory | TSA | Creek, Rogers, Tulsa | 13 hr |
Nearby
Wind Chill Advisories in Oklahoma, 2021Wind Chill Advisories in Arkansas, 2021Every wind chill advisory in 2021
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.