Alert archive / Oklahoma / Freeze Warnings in 2021
Freeze Warning 1, NWS Tulsa, OK
NWS Tulsa, OK issued this freeze warning at Mar 31, 2021, 3:32 AM CDT for 13 counties in Oklahoma; 4 counties in Arkansas. It took effect at Apr 1, 2021, 3:00 AM CDT. It was in force for 6 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
- Mar 31, 2021, 3:32 AM CDT (08:32 UTC)
- In effect from
- Apr 1, 2021, 3:00 AM CDT
- Expired
- Apr 1, 2021, 8:59 AM CDT
- In force
- 6 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, 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), 42 km from the middle of the area, began a volume at 08:34 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.
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 8.5 hours before the alert went out and 136 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
- 1483 m above ground
- 0-6 km bulk shear
- 72 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 537 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
678 WWUS74 KTSA 310832 NPWTSA URGENT - WEATHER MESSAGE National Weather Service Tulsa OK 332 AM CDT Wed Mar 31 2021 ARZ001-002-010-011-OKZ056>058-063-312100- /O.UPG.KTSA.FZ.A.0001.210401T0800Z-210401T1400Z/ /O.NEW.KTSA.FZ.W.0001.210401T0800Z-210401T1400Z/ Benton-Carroll-Washington AR-Madison-Nowata-Craig-Ottawa-Delaware- Including the cities of Rogers, Bentonville, Berryville, Eureka Springs, Fayetteville, Springdale, Huntsville, Nowata, Vinita, Miami, Grove, and Jay 332 AM CDT Wed Mar 31 2021 ...FREEZE WARNING IN EFFECT FROM 3 AM TO 9 AM CDT THURSDAY... * WHAT...Sub-freezing temperatures of 32 to 28 degrees expected. * WHERE...In Oklahoma, Nowata, Craig, Ottawa and Delaware Counties. In Arkansas, Benton, Carroll, Washington AR and Madison Counties. * WHEN...From 3 AM to 9 AM CDT Thursday. * IMPACTS...These conditions will kill plants and other tender vegetation that are left outdoors or unprotected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Precautions should also be taken to protect small plants and tender vegetation. && $$ OKZ059-060-064-067-312100- /O.EXA.KTSA.FZ.A.0001.210401T0800Z-210401T1400Z/ Pawnee-Tulsa-Creek-Wagoner- Including the cities of Pawnee, Tulsa, Sapulpa, and Wagoner 332 AM CDT Wed Mar 31 2021 ...FREEZE WATCH IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY MORNING... * WHAT...Sub-freezing temperatures in the upper 20s and lower 30s possible. * WHERE...Pawnee, Tulsa, Creek and Wagoner Counties in northeast Oklahoma. * WHEN...From late Wednesday night through Thursday morning. * IMPACTS...These conditions could kill plants and and other tender vegetation that are left outdoors or unprotected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Precautions should be taken to protect small plants and tender vegetation. && $$ OKZ054-055-061-062-068-069-312100- /O.CON.KTSA.FZ.A.0001.210401T0800Z-210401T1400Z/ Osage-Washington OK-Rogers-Mayes-Cherokee-Adair- Including the cities of Pawhuska, Bartlesville, Claremore, Pryor, Tahlequah, and Stilwell 332 AM CDT Wed Mar 31 2021 ...FREEZE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY MORNING... * WHAT...Sub-freezing temperatures in the upper 20s and lower 30s possible. * WHERE...Osage, Washington, Rogers, Mayes, Cherokee, and Adair Counties in northeast Oklahoma. * WHEN...From late Wednesday night through Thursday morning. * IMPACTS...These conditions could kill plants and and other tender vegetation that are left outdoors or unprotected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Precautions should be taken to protect small plants and tender vegetation. && $$ Stay tuned to NOAA weather radio,commercial radio or television for the latest information,forecasts,and warnings. For more information from the National Weather Service visit https://weather.gov/tsa
3 follow-up statements
703 WWUS74 KTSA 311829 NPWTSA URGENT - WEATHER MESSAGE National Weather Service Tulsa OK 129 PM CDT Wed Mar 31 2021 OKZ054-055-059>062-064-067>069-011000- /O.UPG.KTSA.FZ.A.0001.210401T0800Z-210401T1400Z/ /O.EXA.KTSA.FZ.W.0001.210401T0800Z-210401T1400Z/ Osage-Washington OK-Pawnee-Tulsa-Rogers-Mayes-Creek-Wagoner- Cherokee-Adair- Including the cities of Pawhuska, Bartlesville, Pawnee, Tulsa, Claremore, Pryor, Sapulpa, Wagoner, Tahlequah, and Stilwell 129 PM CDT Wed Mar 31 2021 ...FREEZE WARNING IN EFFECT FROM 3 AM TO 9 AM CDT THURSDAY... * WHAT...Sub-freezing temperatures in the upper 20s and lower 30s possible. * WHERE...Osage, Washington OK, Pawnee, Tulsa, Rogers, Mayes, Creek, Wagoner, Cherokee and Adair Counties. * WHEN...From 3 AM to 9 AM CDT Thursday. * IMPACTS...These conditions could kill plants and and other tender vegetation that are left outdoors or unprotected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Outdoor water pipes should be wrapped, drained, or allowed to run in a slow steady stream. Precautions should also be taken to protect small plants and tender vegetation. && $$ ARZ001-002-010-011-OKZ056>058-063-011000- /O.CON.KTSA.FZ.W.0001.210401T0800Z-210401T1400Z/ Benton-Carroll-Washington AR-Madison-Nowata-Craig-Ottawa-Delaware- Including the cities of Rogers, Bentonville, Berryville, Eureka Springs, Fayetteville, Springdale, Huntsville, Nowata, Vinita, Miami, Grove, and Jay 129 PM CDT Wed Mar 31 2021 ...FREEZE WARNING REMAINS IN EFFECT FROM 3 AM TO 9 AM CDT THURSDAY... * WHAT...Sub-freezing temperatures in the upper 20s to lower 30s possible. * WHERE...In Oklahoma, Nowata, Craig, Ottawa and Delaware Counties. In Arkansas, Benton, Carroll, Washington AR and Madison Counties. * WHEN...From 3 AM to 9 AM CDT Thursday. * IMPACTS...These conditions will kill plants and other tender vegetation that are left outdoors or unprotected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Precautions should also be taken to protect small plants and tender vegetation. && $$ Stay tuned to NOAA weather radio,commercial radio or television for the latest information,forecasts,and warnings. For more information from the National Weather Service visit https://weather.gov/tsa
656 WWUS74 KTSA 010802 NPWTSA URGENT - WEATHER MESSAGE National Weather Service Tulsa OK 302 AM CDT Thu Apr 1 2021 ARZ001-002-010-011-OKZ054>058-061>063-067>069-011615- /O.NEW.KTSA.FZ.A.0002.210402T0700Z-210402T1400Z/ /O.CON.KTSA.FZ.W.0001.000000T0000Z-210401T1400Z/ Benton-Carroll-Washington AR-Madison-Osage-Washington OK-Nowata- Craig-Ottawa-Rogers-Mayes-Delaware-Wagoner-Cherokee-Adair- Including the cities of Rogers, Bentonville, Berryville, Eureka Springs, Fayetteville, Springdale, Huntsville, Pawhuska, Bartlesville, Nowata, Vinita, Miami, Claremore, Pryor, Grove, Jay, Wagoner, Tahlequah, and Stilwell 302 AM CDT Thu Apr 1 2021 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING... ...FREEZE WATCH IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY MORNING... * WHAT...Sub-freezing temperatures as low as 29 expected this morning. Near freezing temperatures are possible tonight into Friday morning. * WHERE...Portions of east central and northeast Oklahoma and northwest Arkansas. * WHEN...For the Freeze Warning, until 9 AM CDT this morning. For the Freeze Watch, from late tonight through Friday morning. * IMPACTS...These conditions will kill plants and other tender vegetation that are left outdoors or unprotected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Precautions should be taken to protect small plants and tender vegetation. Disconnect water hoses from outdoor faucets to allow them to drain. && $$ OKZ059-060-064-011400- /O.CON.KTSA.FZ.W.0001.000000T0000Z-210401T1400Z/ Pawnee-Tulsa-Creek- Including the cities of Pawnee, Tulsa, and Sapulpa 302 AM CDT Thu Apr 1 2021 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING... * WHAT...Sub-freezing temperatures as low as 31 expected. * WHERE...Creek, Tulsa and Pawnee Counties. * WHEN...Until 9 AM CDT this morning. * IMPACTS...These conditions will kill plants and other tender vegetation that are left outdoors or unprotected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Small plants and tender vegetation should have been brought indoors. Water hoses should be disconnected from outdoor faucets to allow them to drain. && $$ ARZ019-020-029-OKZ049-070-072-074>076-011615- /O.NEW.KTSA.FZ.A.0002.210402T0700Z-210402T1400Z/ Crawford-Franklin-Sebastian-Pushmataha-Muskogee-Sequoyah-Haskell- Latimer-Le Flore- Including the cities of Van Buren, Ozark, Charleston, Fort Smith, Antlers, Clayton, Muskogee, Sallisaw, Stigler, Wilburton, and Poteau 302 AM CDT Thu Apr 1 2021 ...FREEZE WATCH IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY MORNING... * WHAT...Near freezing temperatures are possible. * WHERE...In Oklahoma, Pushmataha, Muskogee, Sequoyah, Haskell, Latimer and Le Flore Counties. In Arkansas, Crawford, Franklin and Sebastian Counties. * WHEN...From late tonight through Friday morning. * IMPACTS...These conditions could kill plants and and other tender vegetation that are left outdoors or unprotected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Precautions should be taken to protect small plants and tender vegetation. Disconnect water hoses from outdoor faucets to allow them to drain. && $$ 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
946 WWUS74 KTSA 011359 NPWTSA URGENT - WEATHER MESSAGE National Weather Service Tulsa OK 859 AM CDT Thu Apr 1 2021 ARZ001-002-010-011-OKZ054>058-061>063-067>069-012200- /O.CAN.KTSA.FZ.W.0001.000000T0000Z-210401T1400Z/ /O.CON.KTSA.FZ.A.0002.210402T0700Z-210402T1400Z/ Benton-Carroll-Washington AR-Madison-Osage-Washington OK-Nowata- Craig-Ottawa-Rogers-Mayes-Delaware-Wagoner-Cherokee-Adair- Including the cities of Rogers, Bentonville, Berryville, Eureka Springs, Fayetteville, Springdale, Huntsville, Pawhuska, Bartlesville, Nowata, Vinita, Miami, Claremore, Pryor, Grove, Jay, Wagoner, Tahlequah, and Stilwell 859 AM CDT Thu Apr 1 2021 ...FREEZE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY MORNING... ...FREEZE WARNING WILL EXPIRE AT 9 AM THIS MORNING... * WHAT...Sub-freezing temperatures as low as 29 expected this morning. Near freezing temperatures are possible tonight into Friday morning. * WHERE...Portions of east central and northeast Oklahoma and northwest Arkansas. * WHEN...From late tonight through Friday morning. * IMPACTS...These conditions will kill plants and other tender vegetation that are left outdoors or unprotected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Outdoor water pipes should be wrapped, drained, or allowed to run in a slow steady stream. Precautions should also be taken to protect small plants and tender vegetation. && $$ OKZ059-060-064-011500- /O.CAN.KTSA.FZ.W.0001.000000T0000Z-210401T1400Z/ Pawnee-Tulsa-Creek- Including the cities of Pawnee, Tulsa, and Sapulpa 859 AM CDT Thu Apr 1 2021 ...FREEZE WARNING WILL EXPIRE AT 9 AM... $$ ARZ019-020-029-OKZ049-070-072-074>076-012200- /O.CON.KTSA.FZ.A.0002.210402T0700Z-210402T1400Z/ Crawford-Franklin-Sebastian-Pushmataha-Muskogee-Sequoyah-Haskell- Latimer-Le Flore- Including the cities of Van Buren, Ozark, Charleston, Fort Smith, Antlers, Clayton, Muskogee, Sallisaw, Stigler, Wilburton, and Poteau 859 AM CDT Thu Apr 1 2021 ...FREEZE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY MORNING... * WHAT...Near freezing temperatures are possible. * WHERE...In Oklahoma, Pushmataha, Muskogee, Sequoyah, Haskell, Latimer and Le Flore Counties. In Arkansas, Crawford, Franklin and Sebastian Counties. * WHEN...From late tonight through Friday morning. * IMPACTS...These conditions could kill plants and and other tender vegetation that are left outdoors or unprotected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Precautions should be taken to protect small plants and tender vegetation. Disconnect water hoses from outdoor faucets to allow them to drain. && $$ 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.