Alert archive / Oklahoma / Heat Advisories in 2021

Heat Advisory 13, NWS Tulsa, OK

July 29, 202122 counties in Oklahoma; 4 counties in Arkansas

NWS Tulsa, OK issued this heat advisory at Jul 29, 2021, 3:27 AM CDT for 22 counties in Oklahoma; 4 counties in Arkansas. It took effect at Jul 30, 2021, 12:00 PM CDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Jul 29, 2021, 3:27 AM CDT (08:27 UTC)
In effect from
Jul 30, 2021, 12:00 PM CDT
Expired
Jul 30, 2021, 8:00 PM CDT
In force
8 hr
Issued by
NWS Tulsa, OK
All 26 counties

Benton County, AR, Carroll County, AR, Madison County, AR, Washington County, AR, Adair County, OK, Cherokee County, OK, Choctaw County, OK, Craig County, OK, Creek County, OK, Delaware County, OK, Haskell County, OK, Latimer County, OK, Mayes County, OK, McIntosh County, OK, Muskogee County, OK, Nowata County, OK, Okfuskee County, OK, Okmulgee County, OK, Ottawa County, OK, Pawnee County, OK, Pittsburg County, OK, Pushmataha 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 08:31 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 176 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.

Skew-T log-pSkew-T log-p diagram, Springfield, MO at 00:00Z on 2021-07-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1786 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 00:00Z on 2021-07-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -33 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1786 J/kg
Mixed-layer CIN
-78 J/kg
Mixed-layer LCL
1701 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
-33 m²/s²
0-3 km storm-relative helicity
-4 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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
6 follow-up statements
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
132 
WWUS74 KTSA 300752
NPWTSA

URGENT - WEATHER MESSAGE
National Weather Service Tulsa OK
252 AM CDT Fri Jul 30 2021

ARZ001-002-010-011-019-020-029-OKZ049-053>076-302100-
/O.NEW.KTSA.HT.Y.0014.210731T1700Z-210801T0100Z/
/O.CON.KTSA.HT.Y.0013.210730T1700Z-210731T0100Z/
Benton-Carroll-Washington AR-Madison-Crawford-Franklin-Sebastian-
Pushmataha-Choctaw-Osage-Washington OK-Nowata-Craig-Ottawa-Pawnee-
Tulsa-Rogers-Mayes-Delaware-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, Pawhuska, 
Bartlesville, Nowata, Vinita, Miami, Pawnee, Tulsa, Claremore, 
Pryor, Grove, Jay, Sapulpa, Okemah, Okmulgee, Wagoner, Tahlequah,
Stilwell, Muskogee, Checotah, Sallisaw, McAlester, Stigler, 
Wilburton, and Poteau
252 AM CDT Fri Jul 30 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 SATURDAY...

* WHAT...For the Heat Advisory today, heat index values up to 
  107 expected. For the Heat Advisory Saturday, heat index values 
  up to 109 expected.

* WHERE...Portions of east central, northeast and southeast 
  Oklahoma and northwest and west central Arkansas.

* WHEN...From noon today to 8 PM CDT this evening, and then from
  from noon to 8 PM CDT Saturday.

* 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
831 
WWUS74 KTSA 301921
NPWTSA

URGENT - WEATHER MESSAGE
National Weather Service Tulsa OK
221 PM CDT Fri Jul 30 2021

ARZ001-002-010-011-019-020-029-OKZ049-053>076-310730-
/O.CON.KTSA.HT.Y.0013.000000T0000Z-210731T0100Z/
/O.CON.KTSA.HT.Y.0014.210731T1700Z-210801T0100Z/
Benton-Carroll-Washington AR-Madison-Crawford-Franklin-Sebastian-
Pushmataha-Choctaw-Osage-Washington OK-Nowata-Craig-Ottawa-Pawnee-
Tulsa-Rogers-Mayes-Delaware-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, Pawhuska, 
Bartlesville, Nowata, Vinita, Miami, Pawnee, Tulsa, Claremore, 
Pryor, Grove, Jay, Sapulpa, Okemah, Okmulgee, Wagoner, Tahlequah,
Stilwell, Muskogee, Checotah, Sallisaw, McAlester, Stigler, 
Wilburton, and Poteau
221 PM CDT Fri Jul 30 2021

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING...
...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TO 8 PM CDT
SATURDAY...

* WHAT...For the Heat Advisory today, heat index values up to 
  107 expected. For the Heat Advisory Saturday, heat index 
  values up to 109 expected.

* WHERE...Portions of east central, northeast and southeast 
  Oklahoma and northwest and west central Arkansas.

* WHEN...From noon today to 8 PM CDT this evening, and then from 
  from noon to 8 PM CDT Saturday.

* 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
240 
WWUS74 KTSA 310105
NPWTSA

URGENT - WEATHER MESSAGE
National Weather Service Tulsa OK
805 PM CDT Fri Jul 30 2021

ARZ001-002-010-011-019-020-029-OKZ049-053>076-310930-
/O.EXP.KTSA.HT.Y.0013.000000T0000Z-210731T0100Z/
/O.CON.KTSA.HT.Y.0014.210731T1700Z-210801T0100Z/
Benton-Carroll-Washington AR-Madison-Crawford-Franklin-Sebastian-
Pushmataha-Choctaw-Osage-Washington OK-Nowata-Craig-Ottawa-Pawnee-
Tulsa-Rogers-Mayes-Delaware-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, Pawhuska, 
Bartlesville, Nowata, Vinita, Miami, Pawnee, Tulsa, Claremore, 
Pryor, Grove, Jay, Sapulpa, Okemah, Okmulgee, Wagoner, Tahlequah,
Stilwell, Muskogee, Checotah, Sallisaw, McAlester, Stigler, 
Wilburton, and Poteau
805 PM CDT Fri Jul 30 2021

...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TO 8 PM CDT
SATURDAY...

* WHAT...Heat index values up to 109 expected.

* WHERE...Portions of east central, northeast and southeast 
  Oklahoma and northwest and west central Arkansas.

* WHEN...From noon to 8 PM CDT Saturday.

* 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

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.