Alert archive / Oklahoma / Freeze Warnings in 2021
Freeze Warning 8, NWS Tulsa, OK
NWS Tulsa, OK issued this freeze warning at Nov 18, 2021, 12:59 PM CST for 13 counties in Oklahoma; 4 counties in Arkansas. It took effect at Nov 18, 2021, 9:12 PM CST. It was in force for 12 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
- Nov 18, 2021, 12:59 PM CST (18:59 UTC)
- In effect from
- Nov 18, 2021, 9:12 PM CST
- Expired
- Nov 19, 2021, 9:00 AM CST
- In force
- 12 hr
- Issued by
- NWS Tulsa, OK
Counties Benton County, AR, Carroll County, AR, Madison County, AR, Washington County, AR, Adair County, OK, Cherokee County, OK, Choctaw County, OK, Delaware County, OK, Haskell County, OK, Latimer County, OK, McIntosh County, OK, Muskogee County, OK, Okmulgee County, OK, Pittsburg County, OK, Pushmataha County, OK, Tulsa County, OK, Wagoner County, OK
The radar
The Western Arkansas radar (KSRX), 70 km from the middle of the area, began a volume at 18:59 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, 7.0 hours before the alert went out and 183 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
- 2362 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- -327 m²/s²
- 0-3 km storm-relative helicity
- -178 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
790 WWUS74 KTSA 181859 NPWTSA URGENT - WEATHER MESSAGE National Weather Service Tulsa OK 1259 PM CST Thu Nov 18 2021 ARZ001-002-010-011-019-020-029-OKZ049-053-060-063-066>076-191500- /O.NEW.KTSA.FZ.W.0008.211119T0600Z-211119T1500Z/ Benton-Carroll-Washington AR-Madison-Crawford-Franklin-Sebastian- Pushmataha-Choctaw-Tulsa-Delaware-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, Grove, Jay, Okmulgee, Wagoner, Tahlequah, Stilwell, Muskogee, Checotah, Sallisaw, McAlester, Stigler, Wilburton, and Poteau 1259 PM CST Thu Nov 18 2021 ...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM CST FRIDAY... * WHAT...Sub-freezing temperatures as low as the upper 20s are expected. * WHERE...Portions of east central, northeast and southeast Oklahoma and northwest and west central Arkansas. * WHEN...From midnight tonight to 9 AM CST Friday. * IMPACTS...These conditions will kill plants and other tender vegetation that are left outdoors or unprotected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Cover faucets on the exterior of your home. Precautions should also be taken to protect small plants and tender vegetation. && $$ Stay tuned to NOAA weather radio,commercial radio or television for the latest information,forecasts,and warnings. For more information from the National Weather Service visit https://weather.gov/tsa
3 follow-up statements
833 WWUS74 KTSA 190312 NPWTSA URGENT - WEATHER MESSAGE National Weather Service Tulsa OK 912 PM CST Thu Nov 18 2021 ARZ001-002-010-011-019-020-029-OKZ049-053-060-063-066>076-191400- /O.EXT.KTSA.FZ.W.0008.211119T0312Z-211119T1500Z/ Benton-Carroll-Washington AR-Madison-Crawford-Franklin-Sebastian- Pushmataha-Choctaw-Tulsa-Delaware-Okmulgee-Wagoner-Cherokee-Adair- Muskogee-McIntosh-Sequoyah-Pittsburg-Haskell-Latimer-Le Flore- Including the cities of Rogers, Bentonville, Berryville, Eureka Springs, Fayetteville, Springdale, Huntsville, Van Buren, Ozark, Charleston, Fort Smith, Antlers, Clayton, Hugo, Tulsa, Grove, Jay, Okmulgee, Wagoner, Tahlequah, Stilwell, Muskogee, Checotah, Sallisaw, McAlester, Stigler, Wilburton, and Poteau 912 PM CST Thu Nov 18 2021 ...FREEZE WARNING NOW IN EFFECT UNTIL 9 AM CST FRIDAY... * WHAT...Sub-freezing temperatures ranging from the lower 20s to lower 30s expected. * WHERE...Portions of east central, northeast and southeast Oklahoma and northwest and west central Arkansas. * WHEN...Until 9 AM CST Friday. * IMPACTS...These conditions will kill plants and other tender vegetation that are left outdoors or unprotected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Cover faucets on the exterior of your home. Precautions should also be taken to protect small plants and tender vegetation. && $$ 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
492 WWUS74 KTSA 190956 NPWTSA URGENT - WEATHER MESSAGE National Weather Service Tulsa OK 356 AM CST Fri Nov 19 2021 ARZ001-002-010-011-019-020-029-OKZ049-053-060-063-066>076-191500- /O.CON.KTSA.FZ.W.0008.000000T0000Z-211119T1500Z/ Benton-Carroll-Washington AR-Madison-Crawford-Franklin-Sebastian- Pushmataha-Choctaw-Tulsa-Delaware-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, Grove, Jay, Okmulgee, Wagoner, Tahlequah, Stilwell, Muskogee, Checotah, Sallisaw, McAlester, Stigler, Wilburton, and Poteau 356 AM CST Fri Nov 19 2021 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM CST THIS MORNING... * WHAT...Sub-freezing temperatures ranging from the lower 20s to lower 30s expected. * WHERE...Portions of east central, northeast and southeast Oklahoma and northwest and west central Arkansas. * WHEN...Until 9 AM CST this morning. * IMPACTS...These conditions will kill plants and other tender vegetation that are left outdoors or unprotected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Cover faucets on the exterior of your home. Precautions should also be taken to protect small plants and tender vegetation. && $$ Stay tuned to NOAA weather radio,commercial radio or television for the latest information,forecasts,and warnings. For more information from the National Weather Service visit https://weather.gov/tsa
880 WWUS74 KTSA 191454 NPWTSA URGENT - WEATHER MESSAGE National Weather Service Tulsa OK 854 AM CST Fri Nov 19 2021 ARZ001-002-010-011-019-020-029-OKZ049-053-060-063-066>076-191600- /O.EXP.KTSA.FZ.W.0008.000000T0000Z-211119T1500Z/ Benton-Carroll-Washington AR-Madison-Crawford-Franklin-Sebastian- Pushmataha-Choctaw-Tulsa-Delaware-Okmulgee-Wagoner-Cherokee-Adair- Muskogee-McIntosh-Sequoyah-Pittsburg-Haskell-Latimer-Le Flore- Including the cities of Rogers, Bentonville, Berryville, Eureka Springs, Fayetteville, Springdale, Huntsville, Van Buren, Ozark, Charleston, Fort Smith, Antlers, Clayton, Hugo, Tulsa, Grove, Jay, Okmulgee, Wagoner, Tahlequah, Stilwell, Muskogee, Checotah, Sallisaw, McAlester, Stigler, Wilburton, and Poteau 854 AM CST Fri Nov 19 2021 ...FREEZE WARNING WILL EXPIRE AT 9 AM CST THIS MORNING... Temperatures continue to warm above freezing this morning allowing for the freeze warning to expire. A few remaining cold locations just below freezing will warm back above freezing over the next hour. $$ 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
Nearby
Freeze Warnings in Oklahoma, 2021Freeze Warnings in Arkansas, 2021Every freeze warning 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.