Alert archive / Oklahoma / Heat Advisories in 2021
Heat Advisory 2, NWS Tulsa, OK
NWS Tulsa, OK issued this heat advisory at Jun 10, 2021, 3:42 AM CDT for 14 counties in Oklahoma. It took effect at Jun 11, 2021, 1:00 PM CDT. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Jun 10, 2021, 3:42 AM CDT (08:42 UTC)
- In effect from
- Jun 11, 2021, 1:00 PM CDT
- Expired
- Jun 11, 2021, 5:10 PM CDT
- In force
- 4 hr
- Issued by
- NWS Tulsa, OK
Counties Craig County, OK, Creek County, OK, Haskell County, OK, Mayes County, OK, McIntosh County, OK, Muskogee County, OK, Nowata County, OK, Okfuskee County, OK, Okmulgee County, OK, Pawnee County, OK, Rogers County, OK, Tulsa County, OK, Wagoner County, OK, Washington County, OK
The radar
The Tulsa radar (KINX), 23 km from the middle of the area, began a volume at 08:47 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, 8.7 hours before the alert went out and 199 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
- 1825 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 1291 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 12 m²/s²
- 0-3 km storm-relative helicity
- 51 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted.
198 WWUS74 KTSA 100842 NPWTSA URGENT - WEATHER MESSAGE National Weather Service Tulsa OK 342 AM CDT Thu Jun 10 2021 OKZ054-055-059>061-064>067-070-071-102000- /O.NEW.KTSA.HT.Y.0002.210611T1800Z-210612T0100Z/ /O.CON.KTSA.HT.Y.0001.210610T1800Z-210611T0100Z/ Osage-Washington OK-Pawnee-Tulsa-Rogers-Creek-Okfuskee-Okmulgee- Wagoner-Muskogee-McIntosh- Including the cities of Pawhuska, Bartlesville, Pawnee, Tulsa, Claremore, Sapulpa, Okemah, Okmulgee, Wagoner, Muskogee, and Checotah 342 AM CDT Thu Jun 10 2021 ...HEAT ADVISORY REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM CDT THIS EVENING... ...HEAT ADVISORY IN EFFECT FROM 1 PM TO 8 PM CDT FRIDAY... * WHAT...Heat index values of 103 to 106 degrees expected. * WHERE...Portions of east central, northeast and southeast Oklahoma. * WHEN...Heat Advisory from 1 PM this afternoon to 8 PM CDT this evening and again Friday from 1 PM to 8 PM CDT. * 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. && $$ OKZ056-057-062-102000- /O.NEW.KTSA.HT.Y.0002.210611T1800Z-210612T0100Z/ Nowata-Craig-Mayes- Including the cities of Nowata, Vinita, and Pryor 342 AM CDT Thu Jun 10 2021 ...HEAT ADVISORY IN EFFECT FROM 1 PM TO 8 PM CDT FRIDAY... * WHAT...Heat index values up to 105 expected. * WHERE...Nowata, Craig and Mayes Counties. * WHEN...From 1 PM to 8 PM CDT Friday. * IMPACTS...The combination of hot temperatures and high humidity will combine to create a dangerous situation in which heat illnesses are possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear light weight and loose fitting clothing when possible and drink plenty of water. To reduce risk during outdoor work the occupational safety and health administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency, call 911. && $$ 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
6 follow-up statements
096 WWUS74 KTSA 101956 NPWTSA URGENT - WEATHER MESSAGE National Weather Service Tulsa OK 256 PM CDT Thu Jun 10 2021 OKZ054-055-059>061-064>067-070-071-110400- /O.CON.KTSA.HT.Y.0001.000000T0000Z-210611T0100Z/ /O.CON.KTSA.HT.Y.0002.210611T1800Z-210612T0100Z/ Osage-Washington OK-Pawnee-Tulsa-Rogers-Creek-Okfuskee-Okmulgee- Wagoner-Muskogee-McIntosh- Including the cities of Pawhuska, Bartlesville, Pawnee, Tulsa, Claremore, Sapulpa, Okemah, Okmulgee, Wagoner, Muskogee, and Checotah 256 PM CDT Thu Jun 10 2021 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... ...HEAT ADVISORY REMAINS IN EFFECT FROM 1 PM TO 8 PM CDT FRIDAY... * WHAT...Heat index values of 103 to 107 degrees expected. * WHERE...Portions of east central, northeast and southeast Oklahoma. * WHEN...Heat Advisory until to 8 PM CDT this evening and again Friday from 1 PM to 8 PM CDT. * 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. && $$ OKZ056-057-062-110400- /O.CON.KTSA.HT.Y.0002.210611T1800Z-210612T0100Z/ Nowata-Craig-Mayes- Including the cities of Nowata, Vinita, and Pryor 256 PM CDT Thu Jun 10 2021 ...HEAT ADVISORY REMAINS IN EFFECT FROM 1 PM TO 8 PM CDT FRIDAY... * WHAT...Heat index values up to 105 expected. * WHERE...Nowata, Craig and Mayes Counties. * WHEN...From 1 PM to 8 PM CDT Friday. * IMPACTS...The combination of hot temperatures and high humidity will combine to create a dangerous situation in which heat illnesses are possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear light weight and loose fitting clothing when possible and drink plenty of water. To reduce risk during outdoor work the occupational safety and health administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency, call 911. && $$ 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
869 WWUS74 KTSA 110115 NPWTSA URGENT - WEATHER MESSAGE National Weather Service Tulsa OK 815 PM CDT Thu Jun 10 2021 OKZ054-055-059>061-064>067-070-071-110930- /O.EXP.KTSA.HT.Y.0001.000000T0000Z-210611T0100Z/ /O.CON.KTSA.HT.Y.0002.210611T1800Z-210612T0100Z/ Osage-Washington OK-Pawnee-Tulsa-Rogers-Creek-Okfuskee-Okmulgee- Wagoner-Muskogee-McIntosh- Including the cities of Pawhuska, Bartlesville, Pawnee, Tulsa, Claremore, Sapulpa, Okemah, Okmulgee, Wagoner, Muskogee, and Checotah 815 PM CDT Thu Jun 10 2021 ...HEAT ADVISORY REMAINS IN EFFECT FROM 1 PM TO 8 PM CDT FRIDAY... * WHAT...Heat index values up to 107 expected. * WHERE...Portions of east central, northeast and southeast Oklahoma. * WHEN...Heat Advisory Friday from 1 PM to 8 PM CDT. * 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. && $$ OKZ056-057-062-110930- /O.CON.KTSA.HT.Y.0002.210611T1800Z-210612T0100Z/ Nowata-Craig-Mayes- Including the cities of Nowata, Vinita, and Pryor 815 PM CDT Thu Jun 10 2021 ...HEAT ADVISORY REMAINS IN EFFECT FROM 1 PM TO 8 PM CDT FRIDAY... * WHAT...Heat index values up to 105 expected. * WHERE...Nowata, Craig and Mayes Counties. * WHEN...From 1 PM to 8 PM CDT Friday. * IMPACTS...The combination of hot temperatures and high humidity will combine to create a dangerous situation in which heat illnesses are possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear light weight and loose fitting clothing when possible and drink plenty of water. To reduce risk during outdoor work the occupational safety and health administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency, call 911. && $$ 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
172 WWUS74 KTSA 110946 NPWTSA URGENT - WEATHER MESSAGE National Weather Service Tulsa OK 446 AM CDT Fri Jun 11 2021 OKZ054>057-059>062-064>067-070-071-112145- /O.CON.KTSA.HT.Y.0002.210611T1800Z-210612T0100Z/ Osage-Washington OK-Nowata-Craig-Pawnee-Tulsa-Rogers-Mayes-Creek- Okfuskee-Okmulgee-Wagoner-Muskogee-McIntosh- Including the cities of Pawhuska, Bartlesville, Nowata, Vinita, Pawnee, Tulsa, Claremore, Pryor, Sapulpa, Okemah, Okmulgee, Wagoner, Muskogee, and Checotah 446 AM CDT Fri Jun 11 2021 ...HEAT ADVISORY REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM CDT THIS EVENING... * WHAT...Heat index values up to 107 expected. * WHERE...Portions of east central, northeast and southeast Oklahoma. * WHEN...From 1 PM this afternoon to 8 PM CDT this evening. * 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. && $$ Stay tuned to NOAA weather radio,commercial radio or television for the latest information,forecasts,and warnings. For more information from the National Weather Service visit https://weather.gov/tsa
993 WWUS74 KTSA 111437 NPWTSA URGENT - WEATHER MESSAGE National Weather Service Tulsa OK 937 AM CDT Fri Jun 11 2021 ARZ019-020-029-OKZ072-074-076-120100- /O.EXA.KTSA.HT.Y.0002.210611T1800Z-210612T0100Z/ Crawford-Franklin-Sebastian-Sequoyah-Haskell-Le Flore- Including the cities of Van Buren, Ozark, Charleston, Fort Smith, Sallisaw, Stigler, and Poteau 937 AM CDT Fri Jun 11 2021 ...HEAT ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM CDT THIS EVENING... * WHAT...Heat index values up to 107 expected. * WHERE...In Oklahoma, Sequoyah, Haskell and Le Flore Counties. In Arkansas, Crawford, Franklin and Sebastian Counties. * WHEN...From 1 PM this afternoon to 8 PM CDT this evening. * IMPACTS...The combination of hot temperatures and high humidity will combine to create a dangerous situation in which heat illnesses are possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear light weight and loose fitting clothing when possible and drink plenty of water. To reduce risk during outdoor work the occupational safety and health administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency, call 911. && $$ OKZ054>057-059>062-064>067-070-071-120100- /O.CON.KTSA.HT.Y.0002.210611T1800Z-210612T0100Z/ Osage-Washington OK-Nowata-Craig-Pawnee-Tulsa-Rogers-Mayes-Creek- Okfuskee-Okmulgee-Wagoner-Muskogee-McIntosh- Including the cities of Pawhuska, Bartlesville, Nowata, Vinita, Pawnee, Tulsa, Claremore, Pryor, Sapulpa, Okemah, Okmulgee, Wagoner, Muskogee, and Checotah 937 AM CDT Fri Jun 11 2021 ...HEAT ADVISORY REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM CDT THIS EVENING... * WHAT...Heat index values up to 107 expected. * WHERE...Portions of east central, northeast and southeast Oklahoma. * WHEN...From 1 PM this afternoon to 8 PM CDT this evening. * 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. && $$ Stay tuned to NOAA weather radio,commercial radio or television for the latest information,forecasts,and warnings. For more information from the National Weather Service visit https://weather.gov/tsa
290 WWUS74 KTSA 111934 NPWTSA URGENT - WEATHER MESSAGE National Weather Service Tulsa OK 234 PM CDT Fri Jun 11 2021 ARZ019-020-029-OKZ054>057-059>062-064>067-070>072-074-076-120100- /O.CON.KTSA.HT.Y.0002.000000T0000Z-210612T0100Z/ Crawford-Franklin-Sebastian-Osage-Washington OK-Nowata-Craig- Pawnee-Tulsa-Rogers-Mayes-Creek-Okfuskee-Okmulgee-Wagoner- Muskogee-McIntosh-Sequoyah-Haskell-Le Flore- Including the cities of Van Buren, Ozark, Charleston, Fort Smith, Pawhuska, Bartlesville, Nowata, Vinita, Pawnee, Tulsa, Claremore, Pryor, Sapulpa, Okemah, Okmulgee, Wagoner, Muskogee, Checotah, Sallisaw, Stigler, and Poteau 234 PM CDT Fri Jun 11 2021 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... * WHAT...Heat index values up to 105 expected. * WHERE...Portions of east central, northeast and southeast Oklahoma. * WHEN...From 1 PM this afternoon to 8 PM CDT this evening. * IMPACTS...The combination of hot temperatures and high humidity will combine to create a dangerous situation in which heat illnesses are possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear light weight and loose fitting clothing when possible and drink plenty of water. To reduce risk during outdoor work the occupational safety and health administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency, call 911. && $$ 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
119 WWUS74 KTSA 112210 NPWTSA URGENT - WEATHER MESSAGE National Weather Service Tulsa OK 510 PM CDT Fri Jun 11 2021 ARZ019-020-029-OKZ054>057-059>062-064>067-070>072-074-076-112315- /O.CAN.KTSA.HT.Y.0002.000000T0000Z-210612T0100Z/ Crawford-Franklin-Sebastian-Osage-Washington OK-Nowata-Craig- Pawnee-Tulsa-Rogers-Mayes-Creek-Okfuskee-Okmulgee-Wagoner- Muskogee-McIntosh-Sequoyah-Haskell-Le Flore- Including the cities of Van Buren, Ozark, Charleston, Fort Smith, Pawhuska, Bartlesville, Nowata, Vinita, Pawnee, Tulsa, Claremore, Pryor, Sapulpa, Okemah, Okmulgee, Wagoner, Muskogee, Checotah, Sallisaw, Stigler, and Poteau 510 PM CDT Fri Jun 11 2021 ...HEAT ADVISORY IS CANCELLED... Heat index values have fallen below advisory levels. A few places will still see heat index values near 100 through sunset. $$ 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 |
|---|---|---|---|---|
| Jun 9, 7:31 PM CDT | Areal Flood Advisory | TSA | Madison | 3 hr |
| Jun 9, 9:53 PM CDT | Special Weather Statement | TSA | Benton | 52 min |
| Jun 9, 10:29 PM CDT | Special Weather Statement | TSA | Madison | 46 min |
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.