Alert archive / Oklahoma / Heat Advisories in 2021
Heat Advisory 12, NWS Tulsa, OK
NWS Tulsa, OK issued this heat advisory at Jul 28, 2021, 2:33 PM CDT for 11 counties in Oklahoma; 4 counties in Arkansas. It took effect at Jul 29, 2021, 12:00 PM CDT. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Jul 28, 2021, 2:33 PM CDT (19:33 UTC)
- In effect from
- Jul 29, 2021, 12:00 PM CDT
- Expired
- Jul 29, 2021, 8:00 PM CDT
- In force
- 8 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, Creek County, OK, Delaware County, OK, Haskell County, OK, Latimer County, OK, Okfuskee County, OK, Pawnee County, OK, Pittsburg County, OK, Pushmataha County, OK
The radar
The Tulsa radar (KINX), 76 km from the middle of the area, began a volume at 19:32 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, 7.6 hours before the alert went out and 186 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
- 2455 J/kg
- Mixed-layer CIN
- -70 J/kg
- Mixed-layer LCL
- 1061 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 12 m²/s²
- 0-3 km storm-relative helicity
- 53 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.9
The text
As transmitted.
412 WWUS74 KTSA 281933 NPWTSA URGENT - WEATHER MESSAGE National Weather Service Tulsa OK 233 PM CDT Wed Jul 28 2021 ARZ019-020-029-OKZ055>058-060>062-066-067-070>072-290400- /O.NEW.KTSA.EH.W.0003.210729T1700Z-210730T0100Z/ /O.CON.KTSA.EH.W.0002.000000T0000Z-210729T0100Z/ Crawford-Franklin-Sebastian-Washington OK-Nowata-Craig-Ottawa- Tulsa-Rogers-Mayes-Okmulgee-Wagoner-Muskogee-McIntosh-Sequoyah- Including the cities of Van Buren, Ozark, Charleston, Fort Smith, Bartlesville, Nowata, Vinita, Miami, Tulsa, Claremore, Pryor, Okmulgee, Wagoner, Muskogee, Checotah, and Sallisaw 233 PM CDT Wed Jul 28 2021 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... ...EXCESSIVE HEAT WARNING IN EFFECT FROM NOON TO 8 PM CDT THURSDAY... * WHAT...Dangerously hot conditions with heat index values of 110 to 113 expected this afternoon and again Thursday afternoon. * WHERE...Portions of east central, northeast and southeast Oklahoma and northwest and west central Arkansas. * WHEN...Uuntil 8 PM CDT this evening and again from noon to 8 PM CDT Thursday. * IMPACTS...The combination of hot temperatures and high humidity will combine to create a dangerous situation in which heat illnesses are possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear light weight and loose fitting clothing when possible and drink plenty of water. To reduce risk during outdoor work the occupational safety and health administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency, call 911. && $$ OKZ074-076-290400- /O.NEW.KTSA.HT.Y.0012.210729T1700Z-210730T0100Z/ /O.CON.KTSA.EH.W.0002.000000T0000Z-210729T0100Z/ Haskell-Le Flore- Including the cities of Stigler and Poteau 233 PM CDT Wed Jul 28 2021 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... ...HEAT ADVISORY IN EFFECT FROM NOON TO 8 PM CDT THURSDAY... * WHAT...Dangerously hot conditions with heat index values of 105 to around 111 this afternoon and again Thursday afternoon. * WHERE...Haskell and Le Flore Counties. * WHEN...For the Excessive Heat Warning, until 8 PM CDT this evening. For the Heat Advisory, from noon to 8 PM CDT Thursday. * IMPACTS...The combination of hot temperatures and high humidity will combine to create a dangerous situation in which heat illnesses are possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear light weight and loose fitting clothing when possible and drink plenty of water. To reduce risk during outdoor work the occupational safety and health administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency, call 911. && $$ ARZ001-OKZ049-053-054-059-063>065-068-069-073-075-290400- /O.NEW.KTSA.HT.Y.0012.210729T1700Z-210730T0100Z/ /O.CON.KTSA.HT.Y.0011.000000T0000Z-210729T0100Z/ Benton-Pushmataha-Choctaw-Osage-Pawnee-Delaware-Creek-Okfuskee- Cherokee-Adair-Pittsburg-Latimer- Including the cities of Rogers, Bentonville, Antlers, Clayton, Hugo, Pawhuska, Pawnee, Grove, Jay, Sapulpa, Okemah, Tahlequah, Stilwell, McAlester, and Wilburton 233 PM CDT Wed Jul 28 2021 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... ...HEAT ADVISORY IN EFFECT FROM NOON TO 8 PM CDT THURSDAY... * WHAT...Heat index values of 105 to 110 expected this afternoon and again Thursday afternoon. * WHERE...Portions of east central, northeast and southeast Oklahoma and northwest Arkansas. * WHEN...For the Heat Advisory, until 8 PM CDT this evening. For the Heat Advisory, from noon to 8 PM CDT Thursday. * IMPACTS...The combination of hot temperatures and high humidity will combine to create a dangerous situation in which heat illnesses are possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear light weight and loose fitting clothing when possible and drink plenty of water. To reduce risk during outdoor work the occupational safety and health administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency, call 911. && $$ ARZ002-010-011-290400- /O.NEW.KTSA.HT.Y.0012.210729T1700Z-210730T0100Z/ Carroll-Washington AR-Madison- Including the cities of Berryville, Eureka Springs, Fayetteville, Springdale, and Huntsville 233 PM CDT Wed Jul 28 2021 ...HEAT ADVISORY IN EFFECT FROM NOON TO 8 PM CDT THURSDAY... * WHAT...Heat index values of 105 to 108 expected. * WHERE...Carroll, Washington AR and Madison Counties. * WHEN...From noon to 8 PM CDT Thursday. * IMPACTS...The combination of hot temperatures and high humidity will combine to create a dangerous situation in which heat illnesses are possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear light weight and loose fitting clothing when possible and drink plenty of water. To reduce risk during outdoor work the occupational safety and health administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency, call 911. && $$ 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
5 follow-up statements
092 WWUS74 KTSA 290105 NPWTSA URGENT - WEATHER MESSAGE National Weather Service Tulsa OK 805 PM CDT Wed Jul 28 2021 ARZ019-020-029-OKZ055>058-060>062-066-067-070>072-290915- /O.EXP.KTSA.EH.W.0002.000000T0000Z-210729T0100Z/ /O.CON.KTSA.EH.W.0003.210729T1700Z-210730T0100Z/ Crawford-Franklin-Sebastian-Washington OK-Nowata-Craig-Ottawa- Tulsa-Rogers-Mayes-Okmulgee-Wagoner-Muskogee-McIntosh-Sequoyah- Including the cities of Van Buren, Ozark, Charleston, Fort Smith, Bartlesville, Nowata, Vinita, Miami, Tulsa, Claremore, Pryor, Okmulgee, Wagoner, Muskogee, Checotah, and Sallisaw 805 PM CDT Wed Jul 28 2021 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM NOON TO 8 PM CDT THURSDAY... * WHAT...Dangerously hot conditions with maximum afternoon heat index values from 110 to 114 degrees expected. * WHERE...Portions of east central, northeast and southeast Oklahoma, and northwest and west central Arkansas. * WHEN...From noon to 8 PM CDT Thursday. * IMPACTS...The combination of hot temperatures and high humidity will combine to create a dangerous situation in which heat illnesses are possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear light weight and loose fitting clothing when possible and drink plenty of water. To reduce risk during outdoor work the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency, call 911. && $$ OKZ074-076-290915- /O.EXP.KTSA.EH.W.0002.000000T0000Z-210729T0100Z/ /O.CON.KTSA.HT.Y.0012.210729T1700Z-210730T0100Z/ Haskell-Le Flore- Including the cities of Stigler and Poteau 805 PM CDT Wed Jul 28 2021 ...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TO 8 PM CDT THURSDAY... * WHAT...Maximum afternoon heat index values from 105 to 109 degrees expected. * WHERE...Haskell and Le Flore Counties. * WHEN...From noon to 8 PM CDT Thursday. * IMPACTS...The combination of hot temperatures and high humidity will combine to create a dangerous situation in which heat illnesses are possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear light weight and loose fitting clothing when possible and drink plenty of water. To reduce risk during outdoor work the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency, call 911. && $$ ARZ001-OKZ049-053-054-059-063>065-068-069-073-075-290915- /O.EXP.KTSA.HT.Y.0011.000000T0000Z-210729T0100Z/ /O.CON.KTSA.HT.Y.0012.210729T1700Z-210730T0100Z/ Benton-Pushmataha-Choctaw-Osage-Pawnee-Delaware-Creek-Okfuskee- Cherokee-Adair-Pittsburg-Latimer- Including the cities of Rogers, Bentonville, Antlers, Clayton, Hugo, Pawhuska, Pawnee, Grove, Jay, Sapulpa, Okemah, Tahlequah, Stilwell, McAlester, and Wilburton 805 PM CDT Wed Jul 28 2021 ...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TO 8 PM CDT THURSDAY... * WHAT...Maximum afternoon heat index values from 105 to 109 degrees expected. * WHERE...Portions of east central, northeast and southeast Oklahoma, and northwest Arkansas. * WHEN...From noon to 8 PM CDT Thursday. * IMPACTS...The combination of hot temperatures and high humidity will combine to create a dangerous situation in which heat illnesses are possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear light weight and loose fitting clothing when possible and drink plenty of water. To reduce risk during outdoor work the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency, call 911. && $$ ARZ002-010-011-290915- /O.CON.KTSA.HT.Y.0012.210729T1700Z-210730T0100Z/ Carroll-Washington AR-Madison- Including the cities of Berryville, Eureka Springs, Fayetteville, Springdale, and Huntsville 805 PM CDT Wed Jul 28 2021 ...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TO 8 PM CDT THURSDAY... * WHAT...Maximum afternoon heat index values of 105 to 108 degrees expected. * WHERE...Carroll, Washington AR and Madison Counties. * WHEN...From noon to 8 PM CDT Thursday. * IMPACTS...The combination of hot temperatures and high humidity will combine to create a dangerous situation in which heat illnesses are possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear light weight and loose fitting clothing when possible and drink plenty of water. To reduce risk during outdoor work the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency, call 911. && $$ 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
093 WWUS74 KTSA 290827 NPWTSA URGENT - WEATHER MESSAGE National Weather Service Tulsa OK 327 AM CDT Thu Jul 29 2021 ARZ019-020-029-OKZ055>058-060>062-066-067-070>072-291630- /O.NEW.KTSA.HT.Y.0013.210730T1700Z-210731T0100Z/ /O.CON.KTSA.EH.W.0003.210729T1700Z-210730T0100Z/ Crawford-Franklin-Sebastian-Washington OK-Nowata-Craig-Ottawa- Tulsa-Rogers-Mayes-Okmulgee-Wagoner-Muskogee-McIntosh-Sequoyah- Including the cities of Van Buren, Ozark, Charleston, Fort Smith, Bartlesville, Nowata, Vinita, Miami, Tulsa, Claremore, Pryor, Okmulgee, Wagoner, Muskogee, Checotah, and Sallisaw 327 AM CDT Thu Jul 29 2021 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 PM CDT THIS EVENING... ...HEAT ADVISORY IN EFFECT FROM NOON TO 8 PM CDT FRIDAY... * WHAT...For the Excessive Heat Warning, dangerously hot conditions with heat index values of 108 to 113 expected. For the Heat Advisory, heat index values 105 to 110 expected. * WHERE...Portions of east central, northeast and southeast Oklahoma and northwest and west central Arkansas. * WHEN...For the Excessive Heat Warning, from noon today to 8 PM CDT this evening. For the Heat Advisory, from noon to 8 PM CDT Friday. * IMPACTS...He combination of hot temperatures and high humidity will combine to create a dangerous situation in which heat illnesses are possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear light weight and loose fitting clothing when possible and drink plenty of water. To reduce risk during outdoor work the occupational safety and health administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency, call 911. && $$ ARZ001-002-010-011-OKZ049-053-054-059-063>065-068-069-073>076- 291630- /O.NEW.KTSA.HT.Y.0013.210730T1700Z-210731T0100Z/ /O.CON.KTSA.HT.Y.0012.210729T1700Z-210730T0100Z/ Benton-Carroll-Washington AR-Madison-Pushmataha-Choctaw-Osage- Pawnee-Delaware-Creek-Okfuskee-Cherokee-Adair-Pittsburg-Haskell- Latimer-Le Flore- Including the cities of Rogers, Bentonville, Berryville, Eureka Springs, Fayetteville, Springdale, Huntsville, Antlers, Clayton, Hugo, Pawhuska, Pawnee, Grove, Jay, Sapulpa, Okemah, Tahlequah, Stilwell, McAlester, Stigler, Wilburton, and Poteau 327 AM CDT Thu Jul 29 2021 ...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 8 PM CDT THIS EVENING... ...HEAT ADVISORY IN EFFECT FROM NOON TO 8 PM CDT FRIDAY... * WHAT...Heat index values up to 108 expected both days. * WHERE...Portions of east central, northeast and southeast Oklahoma and northwest Arkansas. * WHEN...From noon today to 8 PM CDT this evening, and from noon to 8 PM CDT Friday. * IMPACTS...The combination of hot temperatures and high humidity will combine to create a dangerous situation in which heat illnesses are possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear light weight and loose fitting clothing when possible and drink plenty of water. To reduce risk during outdoor work the occupational safety and health administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency, call 911. && $$ 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
075 WWUS74 KTSA 291546 NPWTSA URGENT - WEATHER MESSAGE National Weather Service Tulsa OK 1046 AM CDT Thu Jul 29 2021 ARZ019-020-029-OKZ055>058-060>062-066-067-070>072-300130- /O.CON.KTSA.EH.W.0003.210729T1700Z-210730T0100Z/ /O.CON.KTSA.HT.Y.0013.210730T1700Z-210731T0100Z/ Crawford-Franklin-Sebastian-Washington OK-Nowata-Craig-Ottawa- Tulsa-Rogers-Mayes-Okmulgee-Wagoner-Muskogee-McIntosh-Sequoyah- Including the cities of Van Buren, Ozark, Charleston, Fort Smith, Bartlesville, Nowata, Vinita, Miami, Tulsa, Claremore, Pryor, Okmulgee, Wagoner, Muskogee, Checotah, and Sallisaw 1046 AM CDT Thu Jul 29 2021 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... ...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TO 8 PM CDT FRIDAY... * WHAT...For the Excessive Heat Warning, dangerously hot conditions with heat index values of 108 to 113 expected. For the Heat Advisory, heat index values 105 to 110 expected. * WHERE...Portions of east central, northeast and southeast Oklahoma and northwest and west central Arkansas. * WHEN...For the Excessive Heat Warning, from noon today to 8 PM CDT this evening. For the Heat Advisory, from noon to 8 PM CDT Friday. * IMPACTS...He combination of hot temperatures and high humidity will combine to create a dangerous situation in which heat illnesses are possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear light weight and loose fitting clothing when possible and drink plenty of water. To reduce risk during outdoor work the occupational safety and health administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency, call 911. && $$ ARZ001-002-010-011-OKZ049-053-054-059-063>065-068-069-073>076- 300130- /O.CON.KTSA.HT.Y.0012.210729T1700Z-210730T0100Z/ /O.CON.KTSA.HT.Y.0013.210730T1700Z-210731T0100Z/ Benton-Carroll-Washington AR-Madison-Pushmataha-Choctaw-Osage- Pawnee-Delaware-Creek-Okfuskee-Cherokee-Adair-Pittsburg-Haskell- Latimer-Le Flore- Including the cities of Rogers, Bentonville, Berryville, Eureka Springs, Fayetteville, Springdale, Huntsville, Antlers, Clayton, Hugo, Pawhuska, Pawnee, Grove, Jay, Sapulpa, Okemah, Tahlequah, Stilwell, McAlester, Stigler, Wilburton, and Poteau 1046 AM CDT Thu Jul 29 2021 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... ...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TO 8 PM CDT FRIDAY... * WHAT...Heat index values up to 108 expected both days. * WHERE...Portions of east central, northeast and southeast Oklahoma and northwest Arkansas. * WHEN...From noon today to 8 PM CDT this evening, and from noon to 8 PM CDT Friday. * IMPACTS...The combination of hot temperatures and high humidity will combine to create a dangerous situation in which heat illnesses are possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear light weight and loose fitting clothing when possible and drink plenty of water. To reduce risk during outdoor work the occupational safety and health administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency, call 911. && $$ 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 WWUS74 KTSA 291924 NPWTSA URGENT - WEATHER MESSAGE National Weather Service Tulsa OK 224 PM CDT Thu Jul 29 2021 ARZ019-020-029-OKZ055>058-060>062-066-067-070>072-300330- /O.CON.KTSA.EH.W.0003.000000T0000Z-210730T0100Z/ /O.CON.KTSA.HT.Y.0013.210730T1700Z-210731T0100Z/ Crawford-Franklin-Sebastian-Washington OK-Nowata-Craig-Ottawa- Tulsa-Rogers-Mayes-Okmulgee-Wagoner-Muskogee-McIntosh-Sequoyah- Including the cities of Van Buren, Ozark, Charleston, Fort Smith, Bartlesville, Nowata, Vinita, Miami, Tulsa, Claremore, Pryor, Okmulgee, Wagoner, Muskogee, Checotah, and Sallisaw 224 PM CDT Thu Jul 29 2021 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... ...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TO 8 PM CDT FRIDAY... * WHAT...For the Excessive Heat Warning, dangerously hot conditions with heat index values of 105 to 110 expected. For the Heat Advisory, forecast heat index values of 103 to 108. * WHERE...Portions of east central, northeast and southeast Oklahoma and northwest and west central Arkansas. * WHEN...For the Excessive Heat Warning, from noon today to 8 PM CDT this evening. For the Heat Advisory, from noon to 8 PM CDT Friday. * IMPACTS...He combination of hot temperatures and high humidity will combine to create a dangerous situation in which heat illnesses are possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear light weight and loose fitting clothing when possible and drink plenty of water. To reduce risk during outdoor work the occupational safety and health administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency, call 911. && $$ ARZ001-002-010-011-OKZ049-053-054-059-063>065-068-069-073>076- 300330- /O.CON.KTSA.HT.Y.0012.000000T0000Z-210730T0100Z/ /O.CON.KTSA.HT.Y.0013.210730T1700Z-210731T0100Z/ Benton-Carroll-Washington AR-Madison-Pushmataha-Choctaw-Osage- Pawnee-Delaware-Creek-Okfuskee-Cherokee-Adair-Pittsburg-Haskell- Latimer-Le Flore- Including the cities of Rogers, Bentonville, Berryville, Eureka Springs, Fayetteville, Springdale, Huntsville, Antlers, Clayton, Hugo, Pawhuska, Pawnee, Grove, Jay, Sapulpa, Okemah, Tahlequah, Stilwell, McAlester, Stigler, Wilburton, and Poteau 224 PM CDT Thu Jul 29 2021 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... ...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TO 8 PM CDT FRIDAY... * WHAT...Heat index values 103 to 108 expected both days. * WHERE...Portions of east central, northeast and southeast Oklahoma and northwest Arkansas. * WHEN...From noon today to 8 PM CDT this evening, and from noon to 8 PM CDT Friday. * IMPACTS...The combination of hot temperatures and high humidity will combine to create a dangerous situation in which heat illnesses are possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear light weight and loose fitting clothing when possible and drink plenty of water. To reduce risk during outdoor work the occupational safety and health administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency, call 911. && $$ 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
216 WWUS74 KTSA 300108 NPWTSA URGENT - WEATHER MESSAGE National Weather Service Tulsa OK 808 PM CDT Thu Jul 29 2021 ARZ019-020-029-OKZ055>058-060>062-066-067-070>072-300930- /O.EXP.KTSA.EH.W.0003.000000T0000Z-210730T0100Z/ /O.CON.KTSA.HT.Y.0013.210730T1700Z-210731T0100Z/ Crawford-Franklin-Sebastian-Washington OK-Nowata-Craig-Ottawa- Tulsa-Rogers-Mayes-Okmulgee-Wagoner-Muskogee-McIntosh-Sequoyah- Including the cities of Van Buren, Ozark, Charleston, Fort Smith, Bartlesville, Nowata, Vinita, Miami, Tulsa, Claremore, Pryor, Okmulgee, Wagoner, Muskogee, Checotah, and Sallisaw 808 PM CDT Thu Jul 29 2021 ...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TO 8 PM CDT FRIDAY... ...EXCESSIVE HEAT WARNING HAS EXPIRED... * WHAT...Heat index values up to 109 expected. * WHERE...Portions of east central, northeast and southeast Oklahoma and northwest and west central Arkansas. * WHEN...For the Heat Advisory, from noon to 8 PM CDT Friday. * IMPACTS...The combination of hot temperatures and high humidity will combine to create a dangerous situation in which heat illnesses are possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear light weight and loose fitting clothing when possible and drink plenty of water. To reduce risk during outdoor work the occupational safety and health administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency, call 911. && $$ ARZ001-002-010-011-OKZ049-053-054-059-063>065-068-069-073>076- 300930- /O.EXP.KTSA.HT.Y.0012.000000T0000Z-210730T0100Z/ /O.CON.KTSA.HT.Y.0013.210730T1700Z-210731T0100Z/ Benton-Carroll-Washington AR-Madison-Pushmataha-Choctaw-Osage- Pawnee-Delaware-Creek-Okfuskee-Cherokee-Adair-Pittsburg-Haskell- Latimer-Le Flore- Including the cities of Rogers, Bentonville, Berryville, Eureka Springs, Fayetteville, Springdale, Huntsville, Antlers, Clayton, Hugo, Pawhuska, Pawnee, Grove, Jay, Sapulpa, Okemah, Tahlequah, Stilwell, McAlester, Stigler, Wilburton, and Poteau 808 PM CDT Thu Jul 29 2021 ...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TO 8 PM CDT FRIDAY... * WHAT...Heat index values up to 107 expected. * WHERE...Portions of east central, northeast and southeast Oklahoma and northwest Arkansas. * WHEN...From noon to 8 PM CDT Friday. * IMPACTS...The combination of hot temperatures and high humidity will combine to create a dangerous situation in which heat illnesses are possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear light weight and loose fitting clothing when possible and drink plenty of water. To reduce risk during outdoor work the occupational safety and health administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency, call 911. && $$ 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
What forecasters said that day
The local office's own words before this heat advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Tulsa, OK wrote its last area forecast discussion before this heat advisory went out at Jul 28, 12:32 PM CDT, 2 hours 1 minute earlier.
Area forecast discussion, Jul 28, 12:32 PM CDT, 2 hours 1 minute before
Area Forecast Discussion
National Weather Service Tulsa OK
1232 PM CDT Wed Jul 28 2021
.AVIATION...
CONCERNING TAF SITES KTUL/KRVS/KBVO/KMLC/KXNA/KFYV/KFSM/KROG.
Scattered high based CU will persist this afternoon before
dissipating by early evening. VFR conditions expected through the
TAF period with light winds.
&&
.PREV DISCUSSION... /Issued 1106 AM CDT Wed Jul 28 2021/
DISCUSSION...
Dangerous heat indices in the 105 to 113 range will again develop
this afternoon across portions of eastern Oklahoma and west-
central Arkansas. Raised high temperatures a degree or two, west
of Highway 75 and across southeast Oklahoma where significantly
less cloud cover is expected compared to yesterday. Otherwise,
forecast on track with no additional changes at this time.
&&
.TSA WATCHES/WARNINGS/ADVISORIES...
OK...Excessive Heat Warning until 8 PM CDT this evening for
OKZ055>058-060>062-066-067-070>072-074-076.
Heat Advisory until 8 PM CDT this evening for OKZ049-053-054-059-
063>065-068-069-073-075.
AR...Excessive Heat Warning until 8 PM CDT this evening for ARZ019-
020-029.
Heat Advisory until 8 PM CDT this evening for ARZ001.
&&
AVIATION.....12Hazardous weather outlook, Jul 28, 12:40 PM CDT, 1 hour 53 minutes before
Hazardous Weather Outlook
National Weather Service Tulsa OK
1240 PM CDT Wed Jul 28 2021
ARZ001-002-010-011-019-020-029-OKZ049-053>076-291000-
Adair OK-Benton AR-Carroll AR-Cherokee OK-Choctaw OK-Craig OK-
Crawford AR-Creek OK-Delaware OK-Franklin AR-Haskell OK-Latimer OK-
Le Flore OK-Madison AR-Mayes OK-McIntosh OK-Muskogee OK-Nowata OK-
Okfuskee OK-Okmulgee OK-Osage OK-Ottawa OK-Pawnee OK-Pittsburg OK-
Pushmataha OK-Rogers OK-Sebastian AR-Sequoyah OK-Tulsa OK-Wagoner OK-
Washington OK-Washington AR-
1240 PM CDT Wed Jul 28 2021
This Outlook is for Northwest and West Central Arkansas as well as
much of Eastern Oklahoma.
.DAY ONE...This afternoon and Tonight.
DANGEROUS HEAT.
RISK...Critical.
AREA...Eastern Oklahoma and West Central Arkansas.
ONSET...Ongoing.
AREA AT GREATEST RISK...West Central Arkansas and Northeast
Oklahoma.
DISCUSSION...
Dangerously hot and humid conditions will continue this afternoon
with heat index values of 100 to 114 degrees common. A heat warning
is in effect for most of northeast Oklahoma and west central
Arkansas with a heat advisory also in effect for many remaining
locations. Both are in effect until 8 pm.
SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT...
Spotter Activation Not Expected.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
THURSDAY and FRIDAY...Dangerous Heat Potential.
SATURDAY and SUNDAY...Thunderstorm and Dangerous Heat Potential.
MONDAY...Thunderstorm Potential.
TUESDAY...No Hazards.
EXTENDED DISCUSSION...
An extended period of dangerously hot and humid conditions will
continue into the weekend. Temperatures for mid to late week will
likely reach the upper 90s to just above 100 degrees. Dangerous
heat index values will continue each afternoon and additional heat
advisories will likely be needed. A frontal boundary will
approach from the north by Sunday and Monday, resulting in a
chance of showers and thunderstorms and will likely bring a break
from the heat early next week.
weather.gov/tulsa contains additional information.The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 28, 3:30 AM CDT | Excessive Heat Warning | TSA | Craig, Haskell, McIntosh, Mayes, Muskogee, Nowata and 6 more | 17 hr |
| Jul 28, 2:33 PM CDT | Excessive Heat Warning | TSA | Craig, McIntosh, Mayes, Muskogee, Nowata, Okmulgee and 5 more | 29 hr |
Nearby
Heat Advisories in Oklahoma, 2021Heat Advisories in Arkansas, 2021Every heat 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.