Alert archive / Mississippi / Heat Advisories in 2021

Heat Advisory 8, NWS Memphis, TN

July 30, 20214 states

NWS Memphis, TN issued this heat advisory at Jul 30, 2021, 2:41 AM CDT for 4 states. It took effect at Jul 31, 2021, 10:00 AM CDT. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Jul 30, 2021, 2:41 AM CDT (07:41 UTC)
In effect from
Jul 31, 2021, 10:00 AM CDT
Expired
Jul 31, 2021, 8:00 PM CDT
In force
10 hr
Issued by
NWS Memphis, TN
All 50 counties

Clay County, AR, Craighead County, AR, Crittenden County, AR, Cross County, AR, Greene County, AR, Lee County, AR, Mississippi County, AR, Phillips County, AR, Poinsett County, AR, St. Francis County, AR, Dunklin County, MO, Pemiscot County, MO, Alcorn County, MS, Benton County, MS, Calhoun County, MS, Chickasaw County, MS, Coahoma County, MS, DeSoto County, MS, Itawamba County, MS, Lafayette County, MS, Lee County, MS, Marshall County, MS, Monroe County, MS, Panola County, MS, Pontotoc County, MS, Prentiss County, MS, Quitman County, MS, Tallahatchie County, MS, Tate County, MS, Tippah County, MS, Tishomingo County, MS, Tunica County, MS, Union County, MS, Yalobusha County, MS, Carroll County, TN, Chester County, TN, Crockett County, TN, Decatur County, TN, Dyer County, TN, Fayette County, TN, Gibson County, TN, Hardeman County, TN, Hardin County, TN, Haywood County, TN, Henderson County, TN, Lauderdale County, TN, Madison County, TN, McNairy County, TN, Shelby County, TN, Tipton County, TN

The radar

The Memphis radar (KNQA), 47 km from the middle of the area, began a volume at 07:45 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

Little Rock, AR (KLZK), launched 00:00Z, 7.7 hours before the alert went out and 48 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, Little Rock, AR at 00:00Z on 2021-07-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1099 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Little Rock, AR at 00:00Z on 2021-07-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -13 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
1099 J/kg
Mixed-layer CIN
-104 J/kg
Mixed-layer LCL
1755 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
-13 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.

839 
WWUS74 KMEG 300741
NPWMEG

URGENT - WEATHER MESSAGE
National Weather Service Memphis TN
241 AM CDT Fri Jul 30 2021

ARZ048-049-058-MSZ007-010>013-015>017-020>024-301545-
/O.NEW.KMEG.HT.Y.0008.210731T1600Z-210801T0000Z/
/O.CON.KMEG.EH.W.0002.210730T1500Z-210731T0100Z/
St. Francis-Lee AR-Phillips-Tunica-Coahoma-Quitman-Panola-
Lafayette-Pontotoc-Lee MS-Itawamba-Tallahatchie-Yalobusha-Calhoun-
Chickasaw-Monroe-
Including the cities of Forrest City, Marianna, Helena, 
West Helena, Tunica, Clarksdale, Marks, Batesville, Oxford, 
Pontotoc, Tupelo, Fulton, Charleston, Water Valley, Coffeeville, 
Bruce, Calhoun City, Houston, Okolona, Amory, and Aberdeen
241 AM CDT Fri Jul 30 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 10 AM THIS
MORNING TO 8 PM CDT THIS EVENING...
...HEAT ADVISORY IN EFFECT FROM 11 AM TO 7 PM CDT SATURDAY...

* WHAT...For the Excessive Heat Warning, dangerously hot 
  conditions with heat index values up to 111 expected. For the 
  Heat Advisory, heat index values up to 109 expected.

* WHERE...Portions of North Mississippi and East Arkansas.

* WHEN...For the Excessive Heat Warning, from 10 AM this morning 
  to 8 PM CDT this evening. For the Heat Advisory, from 11 AM to 
  7 PM CDT Saturday.

* IMPACTS...Extreme heat and humidity will significantly 
  increase the potential for heat related illnesses, 
  particularly for those working or participating in outdoor 
  activities.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

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 lightweight and loose fitting clothing when
possible. 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 9 1 1.

&&

$$

ARZ009-018-026>028-035-036-MOZ113-115-MSZ001>006-008-009-014-
TNZ019>021-048>055-088>092-301545-
/O.NEW.KMEG.HT.Y.0008.210731T1600Z-210801T0000Z/
/O.CON.KMEG.HT.Y.0007.210730T1500Z-210731T0100Z/
Clay-Greene-Craighead-Poinsett-Mississippi-Cross-Crittenden-
Dunklin-Pemiscot-DeSoto-Marshall-Benton MS-Tippah-Alcorn-
Tishomingo-Tate-Prentiss-Union-Dyer-Gibson-Carroll-Lauderdale-
Tipton-Haywood-Crockett-Madison-Chester-Henderson-Decatur-Shelby-
Fayette-Hardeman-McNairy-Hardin-
Including the cities of Piggott, Corning, Paragould, Jonesboro, 
Harrisburg, Blytheville, Wynne, West Memphis, Kennett, 
Caruthersville, Southaven, Olive Branch, Holly Springs, Ashland, 
Ripley MS, Corinth, Iuka, Senatobia, Booneville, New Albany, 
Dyersburg, Humboldt, Milan, Huntingdon, Ripley TN, Covington, 
Brownsville, Alamo, Jackson, Henderson, Lexington, Parsons, 
Decaturville, Bartlett, Germantown, Collierville, Memphis, 
Millington, Somerville, Oakland, Bolivar, Selmer, and Savannah
241 AM CDT Fri Jul 30 2021

...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
8 PM CDT THIS EVENING...
...HEAT ADVISORY IN EFFECT FROM 11 AM TO 7 PM CDT SATURDAY...

* WHAT...For the first Heat Advisory, heat index values up to 
  108 expected. For the second Heat Advisory, heat index values 
  up to 107 expected.

* WHERE...Portions of North Mississippi, West Tennessee, East 
  Arkansas and Southeast Missouri.

* WHEN...For the Heat Advisory, from 10 AM this morning to 8 PM 
  CDT this evening. For the Heat Advisory, from 11 AM to 7 PM 
  CDT Saturday.

* IMPACTS...Hot temperatures and high humidity may cause heat 
  illnesses to occur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

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 lightweight and loose fitting clothing when
possible. 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 9 1 1.

&&

$$

TNZ001-301545-
/O.CON.KMEG.HT.Y.0007.210730T1500Z-210731T0100Z/
Lake-
Including the city of Tiptonville
241 AM CDT Fri Jul 30 2021

...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
8 PM CDT THIS EVENING...

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

* WHERE...Portions of North Mississippi, West Tennessee, East 
  Arkansas and Southeast Missouri.

* WHEN...From 10 AM to 8 PM CDT Friday.

* IMPACTS...Hot temperatures and high humidity may cause heat 
  illnesses to occur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

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 lightweight and loose fitting clothing when
possible. 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 9 1 1.

&&

$$
8 follow-up statements
137 
WWUS74 KMEG 301532
NPWMEG

URGENT - WEATHER MESSAGE
National Weather Service Memphis TN
1032 AM CDT Fri Jul 30 2021

ARZ048-049-058-MSZ007-010>013-015>017-020>024-302200-
/O.EXT.KMEG.HT.Y.0008.210731T1500Z-210801T0100Z/
/O.CON.KMEG.EH.W.0002.000000T0000Z-210731T0100Z/
St. Francis-Lee AR-Phillips-Tunica-Coahoma-Quitman-Panola-
Lafayette-Pontotoc-Lee MS-Itawamba-Tallahatchie-Yalobusha-Calhoun-
Chickasaw-Monroe-
Including the cities of Forrest City, Marianna, Helena, 
West Helena, Tunica, Clarksdale, Marks, Batesville, Oxford, 
Pontotoc, Tupelo, Fulton, Charleston, Water Valley, Coffeeville, 
Bruce, Calhoun City, Houston, Okolona, Amory, and Aberdeen
1032 AM CDT Fri Jul 30 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS
EVENING...
...HEAT ADVISORY NOW IN EFFECT FROM 10 AM TO 8 PM CDT SATURDAY...

* WHAT...For the Excessive Heat Warning, dangerously hot 
  conditions with heat index values up to 111 expected. For the 
  Heat Advisory, heat index values up to 109 expected.

* WHERE...Portions of North Mississippi and East Arkansas.

* WHEN...For the Excessive Heat Warning, until 8 PM CDT this 
  evening. For the Heat Advisory, from 10 AM to 8 PM CDT 
  Saturday.

* IMPACTS...Extreme heat and humidity will significantly 
  increase the potential for heat related illnesses, 
  particularly for those working or participating in outdoor 
  activities.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

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 lightweight and loose fitting clothing when
possible. 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 9 1 1.

&&

$$

ARZ009-018-026>028-035-036-MOZ113-115-MSZ001>006-008-009-014-
TNZ019>021-048>055-088>092-302200-
/O.EXT.KMEG.HT.Y.0008.210731T1500Z-210801T0100Z/
/O.CON.KMEG.HT.Y.0007.000000T0000Z-210731T0100Z/
Clay-Greene-Craighead-Poinsett-Mississippi-Cross-Crittenden-
Dunklin-Pemiscot-DeSoto-Marshall-Benton MS-Tippah-Alcorn-
Tishomingo-Tate-Prentiss-Union-Dyer-Gibson-Carroll-Lauderdale-
Tipton-Haywood-Crockett-Madison-Chester-Henderson-Decatur-Shelby-
Fayette-Hardeman-McNairy-Hardin-
Including the cities of Piggott, Corning, Paragould, Jonesboro, 
Harrisburg, Blytheville, Wynne, West Memphis, Kennett, 
Caruthersville, Southaven, Olive Branch, Holly Springs, Ashland, 
Ripley MS, Corinth, Iuka, Senatobia, Booneville, New Albany, 
Dyersburg, Humboldt, Milan, Huntingdon, Ripley TN, Covington, 
Brownsville, Alamo, Jackson, Henderson, Lexington, Parsons, 
Decaturville, Bartlett, Germantown, Collierville, Memphis, 
Millington, Somerville, Oakland, Bolivar, Selmer, and Savannah
1032 AM CDT Fri Jul 30 2021

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING...
...HEAT ADVISORY NOW IN EFFECT FROM 10 AM TO 8 PM CDT SATURDAY...

* WHAT...For the first Heat Advisory, heat index values up to 
  108 expected. For the second Heat Advisory, heat index values 
  up to 107 expected.

* WHERE...Portions of North Mississippi, West Tennessee, East 
  Arkansas and Southeast Missouri.

* WHEN...For the Heat Advisory, until 8 PM CDT this evening. For 
  the Heat Advisory, from 10 AM to 8 PM CDT Saturday.

* IMPACTS...Hot temperatures and high humidity may cause heat 
  illnesses to occur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

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 lightweight and loose fitting clothing when
possible. 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 9 1 1.

&&

$$

TNZ001-302200-
/O.CON.KMEG.HT.Y.0007.000000T0000Z-210731T0100Z/
Lake-
Including the city of Tiptonville
1032 AM CDT Fri Jul 30 2021

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING...

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

* WHERE...Portions of North Mississippi, West Tennessee, East 
  Arkansas and Southeast Missouri.

* WHEN...From 10 AM to 8 PM CDT Friday.

* IMPACTS...Hot temperatures and high humidity may cause heat 
  illnesses to occur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

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 lightweight and loose fitting clothing when
possible. 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 9 1 1.

&&

$$

AC3
604 
WWUS74 KMEG 302026
NPWMEG

URGENT - WEATHER MESSAGE
National Weather Service Memphis TN
326 PM CDT Fri Jul 30 2021

ARZ048-049-058-MSZ007-010>013-015>017-020>024-310430-
/O.CON.KMEG.EH.W.0002.000000T0000Z-210731T0100Z/
/O.CON.KMEG.HT.Y.0008.210731T1500Z-210801T0100Z/
St. Francis-Lee AR-Phillips-Tunica-Coahoma-Quitman-Panola-
Lafayette-Pontotoc-Lee MS-Itawamba-Tallahatchie-Yalobusha-Calhoun-
Chickasaw-Monroe-
Including the cities of Forrest City, Marianna, Helena, 
West Helena, Tunica, Clarksdale, Marks, Batesville, Oxford, 
Pontotoc, Tupelo, Fulton, Charleston, Water Valley, Coffeeville, 
Bruce, Calhoun City, Houston, Okolona, Amory, and Aberdeen
326 PM CDT Fri Jul 30 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS
EVENING...
...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM TO 8 PM CDT
SATURDAY...

* WHAT...For the Excessive Heat Warning, dangerously hot
  conditions with heat index values up to 113 expected. For the 
  Heat Advisory, heat index values up to 109 expected.

* WHERE...Portions of North Mississippi and East Arkansas.

* WHEN...For the Excessive Heat Warning, until 8 PM CDT this 
  evening. For the Heat Advisory, from 10 AM to 8 PM CDT 
  Saturday.

* IMPACTS...Extreme heat and humidity will significantly 
  increase the potential for heat related illnesses, 
  particularly for those working or participating in outdoor 
  activities.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

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 lightweight and loose fitting clothing when
possible. 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 9 1 1.

&&

$$

ARZ009-018-026>028-035-036-MOZ113-115-MSZ001>006-008-009-014-
TNZ019>021-048>055-088>092-310430-
/O.CON.KMEG.HT.Y.0007.000000T0000Z-210731T0100Z/
/O.CON.KMEG.HT.Y.0008.210731T1500Z-210801T0100Z/
Clay-Greene-Craighead-Poinsett-Mississippi-Cross-Crittenden-
Dunklin-Pemiscot-DeSoto-Marshall-Benton MS-Tippah-Alcorn-
Tishomingo-Tate-Prentiss-Union-Dyer-Gibson-Carroll-Lauderdale-
Tipton-Haywood-Crockett-Madison-Chester-Henderson-Decatur-Shelby-
Fayette-Hardeman-McNairy-Hardin-
Including the cities of Piggott, Corning, Paragould, Jonesboro, 
Harrisburg, Blytheville, Wynne, West Memphis, Kennett, 
Caruthersville, Southaven, Olive Branch, Holly Springs, Ashland, 
Ripley MS, Corinth, Iuka, Senatobia, Booneville, New Albany, 
Dyersburg, Humboldt, Milan, Huntingdon, Ripley TN, Covington, 
Brownsville, Alamo, Jackson, Henderson, Lexington, Parsons, 
Decaturville, Bartlett, Germantown, Collierville, Memphis, 
Millington, Somerville, Oakland, Bolivar, Selmer, and Savannah
326 PM CDT Fri Jul 30 2021

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING...
...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM TO 8 PM CDT
SATURDAY...

* WHAT...For the first Heat Advisory, heat index values up to 109
  expected. For the second Heat Advisory, heat index values up to
  108 expected.

* WHERE...Portions of North Mississippi, West Tennessee, East 
  Arkansas and Southeast Missouri.

* WHEN...For the Heat Advisory, until 8 PM CDT this evening. For 
  the Heat Advisory, from 10 AM to 8 PM CDT Saturday.

* IMPACTS...Hot temperatures and high humidity may cause heat 
  illnesses to occur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

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 lightweight and loose fitting clothing when
possible. 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 9 1 1.

&&

$$

TNZ001-310100-
/O.CON.KMEG.HT.Y.0007.000000T0000Z-210731T0100Z/
Lake-
Including the city of Tiptonville
326 PM CDT Fri Jul 30 2021

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING...

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

* WHERE...Portions of North Mississippi, West Tennessee, East 
  Arkansas and Southeast Missouri.

* WHEN...From 10 AM to 8 PM CDT Friday.

* IMPACTS...Hot temperatures and high humidity may cause heat 
  illnesses to occur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

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 lightweight and loose fitting clothing when
possible. 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 9 1 1.

&&

$$

AC3
457 
WWUS74 KMEG 310053
NPWMEG

URGENT - WEATHER MESSAGE
National Weather Service Memphis TN
753 PM CDT Fri Jul 30 2021

ARZ048-049-058-MSZ007-010>013-015>017-020>024-310900-
/O.EXP.KMEG.EH.W.0002.000000T0000Z-210731T0100Z/
/O.CON.KMEG.HT.Y.0008.210731T1500Z-210801T0100Z/
St. Francis-Lee AR-Phillips-Tunica-Coahoma-Quitman-Panola-
Lafayette-Pontotoc-Lee MS-Itawamba-Tallahatchie-Yalobusha-Calhoun-
Chickasaw-Monroe-
Including the cities of Forrest City, Marianna, Helena, 
West Helena, Tunica, Clarksdale, Marks, Batesville, Oxford, 
Pontotoc, Tupelo, Fulton, Charleston, Water Valley, Coffeeville, 
Bruce, Calhoun City, Houston, Okolona, Amory, and Aberdeen
753 PM CDT Fri Jul 30 2021

...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM TO 8 PM CDT
SATURDAY...
...EXCESSIVE HEAT WARNING WILL EXPIRE AT 8 PM CDT THIS EVENING...

* WHAT...Heat index values up to 111 expected.

* WHERE...Portions of North Mississippi and East Arkansas.

* WHEN...For the Excessive Heat Warning, until 8 PM CDT this 
  evening. For the Heat Advisory, from 10 AM to 8 PM CDT 
  Saturday.

* IMPACTS...Hot temperatures and high humidity may cause heat 
  illnesses to occur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

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 lightweight and loose fitting clothing when
possible. 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 9 1 1.

&&

$$

ARZ009-018-026>028-035-036-MOZ113-115-MSZ001>006-008-009-014-
TNZ019>021-048>055-088>092-310900-
/O.EXP.KMEG.HT.Y.0007.000000T0000Z-210731T0100Z/
/O.CON.KMEG.HT.Y.0008.210731T1500Z-210801T0100Z/
Clay-Greene-Craighead-Poinsett-Mississippi-Cross-Crittenden-
Dunklin-Pemiscot-DeSoto-Marshall-Benton MS-Tippah-Alcorn-
Tishomingo-Tate-Prentiss-Union-Dyer-Gibson-Carroll-Lauderdale-
Tipton-Haywood-Crockett-Madison-Chester-Henderson-Decatur-Shelby-
Fayette-Hardeman-McNairy-Hardin-
Including the cities of Piggott, Corning, Paragould, Jonesboro, 
Harrisburg, Blytheville, Wynne, West Memphis, Kennett, 
Caruthersville, Southaven, Olive Branch, Holly Springs, Ashland, 
Ripley MS, Corinth, Iuka, Senatobia, Booneville, New Albany, 
Dyersburg, Humboldt, Milan, Huntingdon, Ripley TN, Covington, 
Brownsville, Alamo, Jackson, Henderson, Lexington, Parsons, 
Decaturville, Bartlett, Germantown, Collierville, Memphis, 
Millington, Somerville, Oakland, Bolivar, Selmer, and Savannah
753 PM CDT Fri Jul 30 2021

...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM TO 8 PM CDT
SATURDAY...
...HEAT ADVISORY WILL EXPIRE AT 8 PM CDT THIS EVENING...

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

* WHERE...Portions of North Mississippi, West Tennessee, East 
  Arkansas and Southeast Missouri.

* WHEN...For the Heat Advisory, until 8 PM CDT this evening. For 
  the Heat Advisory, from 10 AM to 8 PM CDT Saturday.

* IMPACTS...Hot temperatures and high humidity may cause heat 
  illnesses to occur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

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 lightweight and loose fitting clothing when
possible. 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 9 1 1.

&&

$$

TNZ001-310200-
/O.EXP.KMEG.HT.Y.0007.000000T0000Z-210731T0100Z/
Lake-
Including the city of Tiptonville
753 PM CDT Fri Jul 30 2021

...HEAT ADVISORY WILL EXPIRE AT 8 PM CDT THIS EVENING...

Heat index values have fallen below 105 degrees early this
evening. Thus, the Heat Advisory will be allowed to expire at 8 PM
CDT.

$$
854 
WWUS74 KMEG 310108
NPWMEG

URGENT - WEATHER MESSAGE
National Weather Service Memphis TN
808 PM CDT Fri Jul 30 2021

ARZ009-018-026>028-035-036-048-049-058-MOZ113-115-MSZ001>017-
020>024-TNZ019>021-048>055-088>092-311000-
/O.CON.KMEG.HT.Y.0008.210731T1500Z-210801T0100Z/
Clay-Greene-Craighead-Poinsett-Mississippi-Cross-Crittenden-
St. Francis-Lee AR-Phillips-Dunklin-Pemiscot-DeSoto-Marshall-
Benton MS-Tippah-Alcorn-Tishomingo-Tunica-Tate-Prentiss-Coahoma-
Quitman-Panola-Lafayette-Union-Pontotoc-Lee MS-Itawamba-
Tallahatchie-Yalobusha-Calhoun-Chickasaw-Monroe-Dyer-Gibson-
Carroll-Lauderdale-Tipton-Haywood-Crockett-Madison-Chester-
Henderson-Decatur-Shelby-Fayette-Hardeman-McNairy-Hardin-
Including the cities of Piggott, Corning, Paragould, Jonesboro, 
Harrisburg, Blytheville, Wynne, West Memphis, Forrest City, 
Marianna, Helena, West Helena, Kennett, Caruthersville, 
Southaven, Olive Branch, Holly Springs, Ashland, Ripley MS, 
Corinth, Iuka, Tunica, Senatobia, Booneville, Clarksdale, Marks, 
Batesville, Oxford, New Albany, Pontotoc, Tupelo, Fulton, 
Charleston, Water Valley, Coffeeville, Bruce, Calhoun City, 
Houston, Okolona, Amory, Aberdeen, Dyersburg, Humboldt, Milan, 
Huntingdon, Ripley TN, Covington, Brownsville, Alamo, Jackson, 
Henderson, Lexington, Parsons, Decaturville, Bartlett, 
Germantown, Collierville, Memphis, Millington, Somerville, 
Oakland, Bolivar, Selmer, and Savannah
808 PM CDT Fri Jul 30 2021

...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM TO 8 PM CDT
SATURDAY...

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

* WHERE...Most of the Mid-south.

* WHEN...From 10 AM to 8 PM CDT Saturday.

* IMPACTS...Hot temperatures and high humidity may cause heat 
  illnesses to occur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

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 lightweight and loose fitting clothing when
possible. 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 9 1 1.

&&

$$
825 
WWUS74 KMEG 310752
NPWMEG

URGENT - WEATHER MESSAGE
National Weather Service Memphis TN
252 AM CDT Sat Jul 31 2021

ARZ009-018-026>028-035-036-048-049-058-MOZ113-115-MSZ001>017-
020>024-TNZ019>021-048>055-088>092-311600-
/O.CON.KMEG.HT.Y.0008.210731T1500Z-210801T0100Z/
Clay-Greene-Craighead-Poinsett-Mississippi-Cross-Crittenden-
St. Francis-Lee AR-Phillips-Dunklin-Pemiscot-DeSoto-Marshall-
Benton MS-Tippah-Alcorn-Tishomingo-Tunica-Tate-Prentiss-Coahoma-
Quitman-Panola-Lafayette-Union-Pontotoc-Lee MS-Itawamba-
Tallahatchie-Yalobusha-Calhoun-Chickasaw-Monroe-Dyer-Gibson-
Carroll-Lauderdale-Tipton-Haywood-Crockett-Madison-Chester-
Henderson-Decatur-Shelby-Fayette-Hardeman-McNairy-Hardin-
Including the cities of Piggott, Corning, Paragould, Jonesboro, 
Harrisburg, Blytheville, Wynne, West Memphis, Forrest City, 
Marianna, Helena, West Helena, Kennett, Caruthersville, 
Southaven, Olive Branch, Holly Springs, Ashland, Ripley MS, 
Corinth, Iuka, Tunica, Senatobia, Booneville, Clarksdale, Marks, 
Batesville, Oxford, New Albany, Pontotoc, Tupelo, Fulton, 
Charleston, Water Valley, Coffeeville, Bruce, Calhoun City, 
Houston, Okolona, Amory, Aberdeen, Dyersburg, Humboldt, Milan, 
Huntingdon, Ripley TN, Covington, Brownsville, Alamo, Jackson, 
Henderson, Lexington, Parsons, Decaturville, Bartlett, 
Germantown, Collierville, Memphis, Millington, Somerville, 
Oakland, Bolivar, Selmer, and Savannah
252 AM CDT Sat Jul 31 2021

...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
8 PM CDT THIS EVENING...

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

* WHERE...Most of the Mid-south.

* WHEN...From 10 AM to 8 PM CDT Saturday.

* IMPACTS...Hot temperatures and high humidity may cause heat 
  illnesses to occur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

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 lightweight and loose fitting clothing when
possible. 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 9 1 1.

&&

$$
964 
WWUS74 KMEG 311448
NPWMEG

URGENT - WEATHER MESSAGE
National Weather Service Memphis TN
948 AM CDT Sat Jul 31 2021

ARZ035-036-048-049-058-MSZ001>017-020>024-TNZ088-312300-
/O.UPG.KMEG.HT.Y.0008.210731T1500Z-210801T0100Z/
/O.NEW.KMEG.EH.W.0003.210731T1500Z-210801T0100Z/
Cross-Crittenden-St. Francis-Lee AR-Phillips-DeSoto-Marshall-
Benton MS-Tippah-Alcorn-Tishomingo-Tunica-Tate-Prentiss-Coahoma-
Quitman-Panola-Lafayette-Union-Pontotoc-Lee MS-Itawamba-
Tallahatchie-Yalobusha-Calhoun-Chickasaw-Monroe-Shelby-
Including the cities of Wynne, West Memphis, Forrest City, 
Marianna, Helena, West Helena, Southaven, Olive Branch, 
Holly Springs, Ashland, Ripley MS, Corinth, Iuka, Tunica, 
Senatobia, Booneville, Clarksdale, Marks, Batesville, Oxford, 
New Albany, Pontotoc, Tupelo, Fulton, Charleston, Water Valley, 
Coffeeville, Bruce, Calhoun City, Houston, Okolona, Amory, 
Aberdeen, Bartlett, Germantown, Collierville, Memphis, 
and Millington
948 AM CDT Sat Jul 31 2021

...EXCESSIVE HEAT WARNING IN EFFECT UNTIL 8 PM CDT THIS EVENING...

* WHAT...Dangerously hot conditions with heat index values up to 
  113 expected.

* WHERE...Portions of North Mississippi, West Tennessee and East 
  Arkansas.

* WHEN...Until 8 PM CDT this evening.

* IMPACTS...Extreme heat and humidity will significantly increase
  the potential for heat related illnesses, particularly for those
  working or participating in outdoor activities.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

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 lightweight and loose fitting clothing when
possible. 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 9 1 1.

&&

$$

ARZ009-018-026>028-MOZ113-115-TNZ019>021-048>055-089>092-312300-
/O.CON.KMEG.HT.Y.0008.210731T1500Z-210801T0100Z/
Clay-Greene-Craighead-Poinsett-Mississippi-Dunklin-Pemiscot-Dyer-
Gibson-Carroll-Lauderdale-Tipton-Haywood-Crockett-Madison-Chester-
Henderson-Decatur-Fayette-Hardeman-McNairy-Hardin-
Including the cities of Piggott, Corning, Paragould, Jonesboro, 
Harrisburg, Blytheville, Kennett, Caruthersville, Dyersburg, 
Humboldt, Milan, Huntingdon, Ripley TN, Covington, Brownsville, 
Alamo, Jackson, Henderson, Lexington, Parsons, Decaturville, 
Somerville, Oakland, Bolivar, Selmer, and Savannah
948 AM CDT Sat Jul 31 2021

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING...

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

* WHERE...Most of the Mid-south.

* WHEN...From 10 AM to 8 PM CDT Saturday.

* IMPACTS...Hot temperatures and high humidity may cause heat 
  illnesses to occur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

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 lightweight and loose fitting clothing when
possible. 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 9 1 1.

&&

$$

AC3
893 
WWUS74 KMEG 312010
NPWMEG

URGENT - WEATHER MESSAGE
National Weather Service Memphis TN
310 PM CDT Sat Jul 31 2021

MSZ010-011-020>024-010415-
/O.NEW.KMEG.HT.Y.0009.210801T1500Z-210802T0100Z/
/O.CON.KMEG.EH.W.0003.000000T0000Z-210801T0100Z/
Coahoma-Quitman-Tallahatchie-Yalobusha-Calhoun-Chickasaw-Monroe-
Including the cities of Clarksdale, Marks, Charleston, 
Water Valley, Coffeeville, Bruce, Calhoun City, Houston, Okolona,
Amory, and Aberdeen
310 PM CDT Sat Jul 31 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS
EVENING...
...HEAT ADVISORY IN EFFECT FROM 10 AM TO 8 PM CDT SUNDAY...

* WHAT...For the Excessive Heat Warning, dangerously hot 
  conditions with heat index values up to 115. For the Heat 
  Advisory, heat index values up to 107 expected.

* WHERE...Coahoma, Quitman, Tallahatchie, Yalobusha, Calhoun, 
  Chickasaw and Monroe Counties.

* WHEN...For the Excessive Heat Warning, until 8 PM CDT this 
  evening. For the Heat Advisory, from 10 AM to 8 PM CDT Sunday.

* IMPACTS...Extreme heat and humidity will significantly increase
  the potential for heat related illnesses, particularly for those
  working or participating in outdoor activities.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

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 lightweight and loose fitting clothing when
possible. 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 9 1 1.

&&

$$

ARZ035-036-048-049-058-MSZ001>009-012>017-TNZ088-010100-
/O.CON.KMEG.EH.W.0003.000000T0000Z-210801T0100Z/
Cross-Crittenden-St. Francis-Lee AR-Phillips-DeSoto-Marshall-
Benton MS-Tippah-Alcorn-Tishomingo-Tunica-Tate-Prentiss-Panola-
Lafayette-Union-Pontotoc-Lee MS-Itawamba-Shelby-
Including the cities of Wynne, West Memphis, Forrest City, 
Marianna, Helena, West Helena, Southaven, Olive Branch, 
Holly Springs, Ashland, Ripley MS, Corinth, Iuka, Tunica, 
Senatobia, Booneville, Batesville, Oxford, New Albany, Pontotoc, 
Tupelo, Fulton, Bartlett, Germantown, Collierville, Memphis, 
and Millington
310 PM CDT Sat Jul 31 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS
EVENING...

* WHAT...Dangerously hot conditions with heat index values up to 
  113 expected.

* WHERE...Portions of North Mississippi, West Tennessee and East 
  Arkansas.

* WHEN...Until 8 PM CDT this evening.

* IMPACTS...Extreme heat and humidity will significantly 
  increase the potential for heat related illnesses, 
  particularly for those working or participating in outdoor 
  activities.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

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 lightweight and loose fitting clothing when
possible. 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 9 1 1.

&&

$$

ARZ009-018-026>028-MOZ113-115-TNZ019>021-048>055-089>092-010100-
/O.CON.KMEG.HT.Y.0008.000000T0000Z-210801T0100Z/
Clay-Greene-Craighead-Poinsett-Mississippi-Dunklin-Pemiscot-Dyer-
Gibson-Carroll-Lauderdale-Tipton-Haywood-Crockett-Madison-Chester-
Henderson-Decatur-Fayette-Hardeman-McNairy-Hardin-
Including the cities of Piggott, Corning, Paragould, Jonesboro, 
Harrisburg, Blytheville, Kennett, Caruthersville, Dyersburg, 
Humboldt, Milan, Huntingdon, Ripley TN, Covington, Brownsville, 
Alamo, Jackson, Henderson, Lexington, Parsons, Decaturville, 
Somerville, Oakland, Bolivar, Selmer, and Savannah
310 PM CDT Sat Jul 31 2021

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING...

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

* WHERE...Most of the Mid-south.

* WHEN...From 10 AM to 8 PM CDT Saturday.

* IMPACTS...Hot temperatures and high humidity may cause heat 
  illnesses to occur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

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 lightweight and loose fitting clothing when
possible. 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 9 1 1.

&&

$$

AC3
639 
WWUS74 KMEG 010102
NPWMEG

URGENT - WEATHER MESSAGE
National Weather Service Memphis TN
802 PM CDT Sat Jul 31 2021

MSZ010-011-020>024-010915-
/O.EXP.KMEG.EH.W.0003.000000T0000Z-210801T0100Z/
/O.CON.KMEG.HT.Y.0009.210801T1500Z-210802T0100Z/
Coahoma-Quitman-Tallahatchie-Yalobusha-Calhoun-Chickasaw-Monroe-
Including the cities of Clarksdale, Marks, Charleston, 
Water Valley, Coffeeville, Bruce, Calhoun City, Houston, Okolona,
Amory, and Aberdeen
802 PM CDT Sat Jul 31 2021

...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM TO 8 PM CDT
SUNDAY...
...EXCESSIVE HEAT WARNING HAS EXPIRED...

* WHAT...Heat index values up to 107 expected.

* WHERE...Coahoma, Quitman, Tallahatchie, Yalobusha, Calhoun, 
  Chickasaw and Monroe Counties.

* WHEN...From 10 AM to 8 PM CDT Sunday.

* IMPACTS...Hot temperatures and high humidity may cause heat 
  illnesses to occur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

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 lightweight and loose fitting clothing when
possible. 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 9 1 1.

&&

$$

ARZ035-036-048-049-058-MSZ001>009-012>017-TNZ088-010215-
/O.EXP.KMEG.EH.W.0003.000000T0000Z-210801T0100Z/
Cross-Crittenden-St. Francis-Lee AR-Phillips-DeSoto-Marshall-
Benton MS-Tippah-Alcorn-Tishomingo-Tunica-Tate-Prentiss-Panola-
Lafayette-Union-Pontotoc-Lee MS-Itawamba-Shelby-
Including the cities of Wynne, West Memphis, Forrest City, 
Marianna, Helena, West Helena, Southaven, Olive Branch, 
Holly Springs, Ashland, Ripley MS, Corinth, Iuka, Tunica, 
Senatobia, Booneville, Batesville, Oxford, New Albany, Pontotoc, 
Tupelo, Fulton, Bartlett, Germantown, Collierville, Memphis, 
and Millington
802 PM CDT Sat Jul 31 2021

...EXCESSIVE HEAT WARNING HAS EXPIRED...

Heat index values have fallen below warning and advisory criteria.
Thus, the Excessive Heat Warning has been allowed to expire.


$$

ARZ009-018-026>028-MOZ113-115-TNZ019>021-048>055-089>092-010215-
/O.EXP.KMEG.HT.Y.0008.000000T0000Z-210801T0100Z/
Clay-Greene-Craighead-Poinsett-Mississippi-Dunklin-Pemiscot-Dyer-
Gibson-Carroll-Lauderdale-Tipton-Haywood-Crockett-Madison-Chester-
Henderson-Decatur-Fayette-Hardeman-McNairy-Hardin-
Including the cities of Piggott, Corning, Paragould, Jonesboro, 
Harrisburg, Blytheville, Kennett, Caruthersville, Dyersburg, 
Humboldt, Milan, Huntingdon, Ripley TN, Covington, Brownsville, 
Alamo, Jackson, Henderson, Lexington, Parsons, Decaturville, 
Somerville, Oakland, Bolivar, Selmer, and Savannah
802 PM CDT Sat Jul 31 2021

...HEAT ADVISORY HAS EXPIRED...

Heat index values have fallen below 105 degrees. Thus, the Heat
Advisory has been allowed to expire.

$$

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 Memphis, TN wrote its last area forecast discussion before this heat advisory went out at Jul 29, 11:28 PM CDT, 3 hours 13 minutes earlier.

Area forecast discussion, Jul 29, 11:28 PM CDT, 3 hours 13 minutes before
Area Forecast Discussion
National Weather Service Memphis TN
1128 PM CDT Thu Jul 29 2021

.UPDATE...
Updated to include 06Z Aviation Discussion.

&&

.PREV DISCUSSION... /issued 812 PM CDT Thu Jul 29 2021/

UPDATE...
No major changes to the forecast. Still expecting the heat to
continue on Friday. A few showers will be possible late in the
evening. A front will move down this weekend as some relief from
the heat will come for early next week.

PREV DISCUSSION... /issued 625 PM CDT Thu Jul 29 2021/

UPDATE...
Updated to include 00Z Aviation Discussion.

PREV DISCUSSION... /issued 336 PM CDT Thu Jul 29 2021/

SHORT TERM...(Tonight through Saturday)
A blow-off cirrus shield from an overnight MCS has pushed its way
into northern portions of the CWA this afternoon. This has
resulted in less incident radiation across west Tennessee.
Temperatures have remained 3 to 5 degrees cooler as a result, with
many locations barely reaching 90F at this hour. Nonetheless, the
heat advisory was much needed as the majority of the CWA is
reporting a 105F heat index or greater.

Tomorrow's forecast looks very similar to today's, albeit slightly
hotter. A weakening surface front is expected to push into northwest
Tennessee by tomorrow afternoon. Cloud cover should be enough to
negate the need for an advisory across the far northern counties.
However, the rest of the Mid-South will see ample heat. In fact,
high temperatures will approach the triple digit mark along the
Delta region, with upper 90s across the rest of the area. Heat
indices will meet or exceed 105F across much of the area, with 110F
or greater across our southern two tiers of counties. Convection is
expected across portions of west Tennessee tomorrow afternoon as the
aforementioned front serves as a focus for convective initiation.

The heat forecast is bit more unclear for Saturday, as overnight
convection and height falls occur ahead of an approaching cold
front. There will still be a need for heat products across portions
of the CWA, but there is not enough confidence to make any decisions
at this point.

AJC

LONG TERM...(Sunday through Thursday)
The cold front will sag through our area Saturday night/Sunday
bringing storms, with localized heavy rainfall. Clouds and
convection on Sunday will reduce temperature readings. On Monday
as the front sinks south the risk for convection continues before
the slight risk of storms finally ends across the extreme
southern portion later Tuesday.

This cold front is the harbinger of a major pattern change for next
week. The upper ridge retrogrades into the Mountain West as a
fairly deep trough for early August develops across the Eastern
US. This circulates less humid and cooler air into the Mid-
South. By late in the period the risk for convection sneaks back
into forecast area.

 Belles
&&

.AVIATION...
06Z TAFs

Patchy fog possible at MKL overnight. Otherwise, VFR conditions
expected with light winds increasing to NW winds between 6-8 kts
on Friday.

CJC

&&

.MEG WATCHES/WARNINGS/ADVISORIES...
AR...Excessive Heat Warning from 10 AM to 8 PM CDT Friday for Lee AR-
     Phillips-St. Francis.

     Heat Advisory from 10 AM to 8 PM CDT Friday for Clay-Craighead-
     Crittenden-Cross-Greene-Mississippi-Poinsett.

MO...Heat Advisory from 10 AM to 8 PM CDT Friday for Dunklin-Pemiscot.

MS...Excessive Heat Warning from 10 AM to 8 PM CDT Friday for Calhoun-
     Chickasaw-Coahoma-Itawamba-Lafayette-Lee MS-Monroe-Panola-
     Pontotoc-Quitman-Tallahatchie-Tunica-Yalobusha.

     Heat Advisory from 10 AM to 8 PM CDT Friday for Alcorn-Benton MS-
     DeSoto-Marshall-Prentiss-Tate-Tippah-Tishomingo-Union.

TN...Heat Advisory from 10 AM to 8 PM CDT Friday for Carroll-Chester-
     Crockett-Decatur-Dyer-Fayette-Gibson-Hardeman-Hardin-
     Haywood-Henderson-Lake-Lauderdale-Madison-McNairy-Shelby-
     Tipton.

&&
Hazardous weather outlook, Jul 29, 3:00 PM CDT, 11 hours 41 minutes before
Hazardous Weather Outlook
National Weather Service Memphis TN
300 PM CDT Thu Jul 29 2021

ARZ009-018-026>028-035-036-048-049-058-MOZ113-115-MSZ001>017-
020>024-TNZ001>004-019>022-048>055-088>092-301015-
Alcorn-Benton MS-Benton TN-Calhoun-Carroll-Chester-Chickasaw-Clay-
Coahoma-Craighead-Crittenden-Crockett-Cross-DeSoto-Decatur-
Dunklin-Dyer-Fayette-Gibson-Greene-Hardeman-Hardin-Haywood-
Henderson-Henry-Itawamba-Lafayette-Lake-Lauderdale-Lee AR-Lee MS-
Madison-Marshall-McNairy-Mississippi-Monroe-Obion-Panola-Pemiscot-
Phillips-Poinsett-Pontotoc-Prentiss-Quitman-Shelby-St. Francis-
Tallahatchie-Tate-Tippah-Tipton-Tishomingo-Tunica-Union-Weakley-
Yalobusha-
300 PM CDT Thu Jul 29 2021

This hazardous weather outlook is for portions of East Arkansas...
the Missouri Bootheel...North Mississippi...and West Tennessee.

.DAY ONE...Today and Tonight

Hot and humid conditions are expected.  Heat Advisories and
Excessive Heat Warnings are in effect until 8 PM this evening for
portions of the Mid-South. Check the latest forecasts and statements
for locations and details.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Hot and humid conditions continue on Friday. Heat Advisories and
Excessive Heat Warnings are in effect for portions of the Mid-South.
Check the latest forecasts and statements for locations and details.
More heat and humidity is forecast for Saturday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated at this time.

The office that day

Everything else NWS Memphis, TN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 30, 4:22 PM CDTSpecial Weather StatementMEGHardin23 min
Jul 30, 4:25 PM CDTSpecial Weather StatementMEGMadison35 min
Jul 30, 4:58 PM CDTSpecial Weather StatementMEGClay32 min
Jul 30, 5:25 PM CDTSpecial Weather StatementMEGDunklin35 min
Jul 30, 5:54 PM CDTSpecial Weather StatementMEGDunklin36 min

Nearby

Heat Advisories in Mississippi, 2021Heat Advisories in Tennessee, 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.