Alert archive / Mississippi / Excessive Heat Warnings in 2021

Excessive Heat Warning 2, NWS Jackson, MS

August 22, 202116 counties in Mississippi; 7 parishes in Louisiana; Ashley County, Chicot County, Arkansas

NWS Jackson, MS issued this excessive heat warning at Aug 22, 2021, 2:29 PM CDT for 16 counties in Mississippi; 7 parishes in Louisiana; Ashley County, Chicot County, Arkansas. It was in force for 53 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 22, 2021, 2:29 PM CDT (19:29 UTC)
Expired
Aug 24, 2021, 7:00 PM CDT
In force
53 hr
Issued by
NWS Jackson, MS
All 25 counties

Ashley County, AR, Chicot County, AR, East Carroll Parish, LA, Franklin Parish, LA, Madison Parish, LA, Morehouse Parish, LA, Richland Parish, LA, Tensas Parish, LA, West Carroll Parish, LA, Bolivar County, MS, Claiborne County, MS, Copiah County, MS, Franklin County, MS, Hinds County, MS, Humphreys County, MS, Issaquena County, MS, Jefferson County, MS, Lawrence County, MS, Leflore County, MS, Lincoln County, MS, Sharkey County, MS, Sunflower County, MS, Warren County, MS, Washington County, MS, Yazoo County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 98 km from the middle of the area, began a volume at 19:28 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

Jackson, MS (KJAN), launched 12:00Z, 7.5 hours before the alert went out and 88 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, Jackson, MS at 12:00Z on 2021-08-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 986 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, Jackson, MS at 12:00Z on 2021-08-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 105 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
986 J/kg
Mixed-layer CIN
-53 J/kg
Mixed-layer LCL
991 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
105 m²/s²
0-3 km storm-relative helicity
99 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

505 
WWUS74 KJAN 221929
NPWJAN

URGENT - WEATHER MESSAGE
National Weather Service Jackson MS
229 PM CDT Sun Aug 22 2021

ARZ074-075-LAZ007>009-015-016-023-025-MSZ018-019-025-034-035-
040>042-047-048-053-054-059-061>063-230330-
/O.UPG.KJAN.HT.Y.0009.000000T0000Z-210823T0000Z/
/O.NEW.KJAN.EH.W.0002.210822T1929Z-210824T0000Z/
Ashley-Chicot-Morehouse-West Carroll-East Carroll-Richland-
Madison LA-Franklin LA-Tensas-Bolivar-Sunflower-Leflore-
Washington-Humphreys-Issaquena-Sharkey-Yazoo-Warren-Hinds-
Claiborne-Copiah-Jefferson-Franklin MS-Lincoln-Lawrence-
Including the cities of Crossett, North Crossett, Hamburg, 
West Crossett, Dermott, Lake Village, Eudora, Bastrop, Oak Grove,
Epps, Lake Providence, Rayville, Delhi, Tallulah, Winnsboro, 
Newellton, St. Joseph, Waterproof, Cleveland, Indianola, 
Ruleville, Greenwood, Greenville, Belzoni, Isola, Mayersville, 
Rolling Fork, Anguilla, Yazoo City, Vicksburg, Jackson, 
Port Gibson, Crystal Springs, Hazlehurst, Wesson, Fayette, Bude, 
Roxie, Meadville, Brookhaven, Monticello, and New Hebron
229 PM CDT Sun Aug 22 2021

...EXCESSIVE HEAT WARNING IN EFFECT UNTIL 7 PM CDT MONDAY...

* WHAT...Dangerously hot conditions with heat index values up to 
  114.

* WHERE...Portions of northeast Louisiana, central, north 
  central, northwest, south central, southwest and west central 
  Mississippi and southeast Arkansas.

* WHEN...Until 7 PM CDT Monday.

* 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.

&&

$$

MSZ026-028-037-044-050-066-074-230330-
/O.EXB.KJAN.HT.Y.0009.000000T0000Z-210824T0000Z/
Grenada-Montgomery-Attala-Leake-Scott-Jones-Forrest-
Including the cities of Grenada, Winona, Kosciusko, Carthage, 
Forest, Morton, Laurel, and Hattiesburg
229 PM CDT Sun Aug 22 2021

...HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT MONDAY...

* WHAT...Heat indices 106 to 110 expected.

* WHERE...Grenada, Montgomery, Attala, Leake, Scott, Jones and 
  Forrest Counties.

* WHEN...Until 7 PM CDT Monday.

* 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.

&&

$$

LAZ024-026-MSZ027-036-043-049-055-056-060-064-065-072-073-230330-
/O.EXT.KJAN.HT.Y.0009.000000T0000Z-210824T0000Z/
Catahoula-Concordia-Carroll-Holmes-Madison MS-Rankin-Simpson-
Smith-Adams-Jefferson Davis-Covington-Marion-Lamar-
Including the cities of Jonesville, Harrisonburg, Vidalia, 
Ferriday, West Ferriday, Vaiden, North Carrollton, Carrollton, 
Durant, Tchula, Lexington, Pickens, Goodman, Ridgeland, Madison, 
Canton, Pearl, Brandon, Richland, Magee, Mendenhall, 
Taylorsville, Raleigh, Natchez, Prentiss, Bassfield, Collins, 
Mount Olive, Columbia, West Hattiesburg, Lumberton, and Purvis
229 PM CDT Sun Aug 22 2021

...HEAT ADVISORY NOW IN EFFECT UNTIL 7 PM CDT MONDAY...

* WHAT...Heat indices 106 to 110 expected.

* WHERE...Portions of south central, southeast and southwest 
  Mississippi and northeast Louisiana.

* WHEN...Until 7 PM CDT Monday.

* 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.

&&

$$

GG
8 follow-up statements
050 
WWUS74 KJAN 230145
NPWJAN

URGENT - WEATHER MESSAGE
National Weather Service Jackson MS
845 PM CDT Sun Aug 22 2021

ARZ074-075-LAZ007>009-015-016-023-025-MSZ018-019-025-034-035-
040>042-047-048-053-054-059-061>063-230945-
/O.CON.KJAN.EH.W.0002.000000T0000Z-210824T0000Z/
Ashley-Chicot-Morehouse-West Carroll-East Carroll-Richland-
Madison LA-Franklin LA-Tensas-Bolivar-Sunflower-Leflore-
Washington-Humphreys-Issaquena-Sharkey-Yazoo-Warren-Hinds-
Claiborne-Copiah-Jefferson-Franklin MS-Lincoln-Lawrence-
Including the cities of Crossett, North Crossett, Hamburg, 
West Crossett, Dermott, Lake Village, Eudora, Bastrop, Oak Grove,
Epps, Lake Providence, Rayville, Delhi, Tallulah, Winnsboro, 
Newellton, St. Joseph, Waterproof, Cleveland, Indianola, 
Ruleville, Greenwood, Greenville, Belzoni, Isola, Mayersville, 
Rolling Fork, Anguilla, Yazoo City, Vicksburg, Jackson, 
Port Gibson, Crystal Springs, Hazlehurst, Wesson, Fayette, Bude, 
Roxie, Meadville, Brookhaven, Monticello, and New Hebron
845 PM CDT Sun Aug 22 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM CDT
MONDAY...

* WHAT...Dangerously hot conditions with heat index values up to
  115.

* WHERE...Portions of northeast Louisiana, central Mississippi 
  and southeast Arkansas.

* WHEN...10 am to 7 pm Monday.

* 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.

&&

$$

LAZ024-026-MSZ026>028-036-037-043-044-049-050-055-056-060-064>066-
072>074-230945-
/O.CON.KJAN.HT.Y.0009.000000T0000Z-210824T0000Z/
Catahoula-Concordia-Grenada-Carroll-Montgomery-Holmes-Attala-
Madison MS-Leake-Rankin-Scott-Simpson-Smith-Adams-Jefferson Davis-
Covington-Jones-Marion-Lamar-Forrest-
Including the cities of Jonesville, Harrisonburg, Vidalia, 
Ferriday, West Ferriday, Grenada, Vaiden, North Carrollton, 
Carrollton, Winona, Durant, Tchula, Lexington, Pickens, Goodman, 
Kosciusko, Ridgeland, Madison, Canton, Carthage, Pearl, Brandon, 
Richland, Forest, Morton, Magee, Mendenhall, Taylorsville, 
Raleigh, Natchez, Prentiss, Bassfield, Collins, Mount Olive, 
Laurel, Columbia, West Hattiesburg, Lumberton, Purvis, 
and Hattiesburg
845 PM CDT Sun Aug 22 2021

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT MONDAY...

* WHAT...Heat indices 105 to 110 expected.

* WHERE...Portions of central Mississippi and northeast 
  Louisiana.

* WHEN...10 am to 7 pm Monday.

* 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.

&&

$$

28
018 
WWUS74 KJAN 230821
NPWJAN

URGENT - WEATHER MESSAGE
National Weather Service Jackson MS
321 AM CDT Mon Aug 23 2021

ARZ074-075-LAZ007>009-015-016-023-025-MSZ018-019-025-034-035-
040>042-047-048-053-054-059-061>063-232100-
/O.CON.KJAN.EH.W.0002.000000T0000Z-210824T0000Z/
Ashley-Chicot-Morehouse-West Carroll-East Carroll-Richland-
Madison LA-Franklin LA-Tensas-Bolivar-Sunflower-Leflore-
Washington-Humphreys-Issaquena-Sharkey-Yazoo-Warren-Hinds-
Claiborne-Copiah-Jefferson-Franklin MS-Lincoln-Lawrence-
Including the cities of Crossett, North Crossett, Hamburg, 
West Crossett, Dermott, Lake Village, Eudora, Bastrop, Oak Grove,
Epps, Lake Providence, Rayville, Delhi, Tallulah, Winnsboro, 
Newellton, St. Joseph, Waterproof, Cleveland, Indianola, 
Ruleville, Greenwood, Greenville, Belzoni, Isola, Mayersville, 
Rolling Fork, Anguilla, Yazoo City, Vicksburg, Jackson, 
Port Gibson, Crystal Springs, Hazlehurst, Wesson, Fayette, Bude, 
Roxie, Meadville, Brookhaven, Monticello, and New Hebron
321 AM CDT Mon Aug 23 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING...

* WHAT...Dangerously hot conditions with heat index values up to 
  115.

* WHERE...Portions of northeast Louisiana, central Mississippi 
  and southeast Arkansas.

* WHEN...10 am to 7 pm Monday.

* 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.

&&

$$

LAZ024-026-MSZ026>028-036-037-043-044-049-050-055-056-060-064>066-
072>074-232100-
/O.CON.KJAN.HT.Y.0009.000000T0000Z-210824T0000Z/
Catahoula-Concordia-Grenada-Carroll-Montgomery-Holmes-Attala-
Madison MS-Leake-Rankin-Scott-Simpson-Smith-Adams-Jefferson Davis-
Covington-Jones-Marion-Lamar-Forrest-
Including the cities of Jonesville, Harrisonburg, Vidalia, 
Ferriday, West Ferriday, Grenada, Vaiden, North Carrollton, 
Carrollton, Winona, Durant, Tchula, Lexington, Pickens, Goodman, 
Kosciusko, Ridgeland, Madison, Canton, Carthage, Pearl, Brandon, 
Richland, Forest, Morton, Magee, Mendenhall, Taylorsville, 
Raleigh, Natchez, Prentiss, Bassfield, Collins, Mount Olive, 
Laurel, Columbia, West Hattiesburg, Lumberton, Purvis, 
and Hattiesburg
321 AM CDT Mon Aug 23 2021

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...

* WHAT...Heat indices 105 to 110 expected.

* WHERE...Portions of central Mississippi and northeast 
  Louisiana.

* WHEN...10 am to 7 pm Monday.

* 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.

&&

$$
674 
WWUS74 KJAN 231419
NPWJAN

URGENT - WEATHER MESSAGE
National Weather Service Jackson MS
919 AM CDT Mon Aug 23 2021

ARZ074-075-LAZ007>009-015-016-023-025-MSZ018-019-025-034-035-
040>042-047-048-053-054-059-061>063-232230-
/O.CON.KJAN.EH.W.0002.000000T0000Z-210824T0000Z/
Ashley-Chicot-Morehouse-West Carroll-East Carroll-Richland-
Madison LA-Franklin LA-Tensas-Bolivar-Sunflower-Leflore-
Washington-Humphreys-Issaquena-Sharkey-Yazoo-Warren-Hinds-
Claiborne-Copiah-Jefferson-Franklin MS-Lincoln-Lawrence-
Including the cities of Crossett, North Crossett, Hamburg, 
West Crossett, Dermott, Lake Village, Eudora, Bastrop, Oak Grove,
Epps, Lake Providence, Rayville, Delhi, Tallulah, Winnsboro, 
Newellton, St. Joseph, Waterproof, Cleveland, Indianola, 
Ruleville, Greenwood, Greenville, Belzoni, Isola, Mayersville, 
Rolling Fork, Anguilla, Yazoo City, Vicksburg, Jackson, 
Port Gibson, Crystal Springs, Hazlehurst, Wesson, Fayette, Bude, 
Roxie, Meadville, Brookhaven, Monticello, and New Hebron
919 AM CDT Mon Aug 23 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING...

* WHAT...Dangerously hot conditions with heat index values up to 
  115.

* WHERE...Portions of northeast Louisiana, central Mississippi 
  and southeast Arkansas.

* WHEN...10 am to 7 pm Monday.

* 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.

&&

$$

LAZ024-026-MSZ026>028-036-037-043-044-049-050-055-056-060-064>066-
072>074-232230-
/O.CON.KJAN.HT.Y.0009.000000T0000Z-210824T0000Z/
Catahoula-Concordia-Grenada-Carroll-Montgomery-Holmes-Attala-
Madison MS-Leake-Rankin-Scott-Simpson-Smith-Adams-Jefferson Davis-
Covington-Jones-Marion-Lamar-Forrest-
Including the cities of Jonesville, Harrisonburg, Vidalia, 
Ferriday, West Ferriday, Grenada, Vaiden, North Carrollton, 
Carrollton, Winona, Durant, Tchula, Lexington, Pickens, Goodman, 
Kosciusko, Ridgeland, Madison, Canton, Carthage, Pearl, Brandon, 
Richland, Forest, Morton, Magee, Mendenhall, Taylorsville, 
Raleigh, Natchez, Prentiss, Bassfield, Collins, Mount Olive, 
Laurel, Columbia, West Hattiesburg, Lumberton, Purvis, 
and Hattiesburg
919 AM CDT Mon Aug 23 2021

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...

* WHAT...Heat indices 105 to 110 expected.

* WHERE...Portions of central Mississippi and northeast 
  Louisiana.

* WHEN...10 am to 7 pm Monday.

* 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.

&&

$$
551 
WWUS74 KJAN 232027
NPWJAN

URGENT - WEATHER MESSAGE
National Weather Service Jackson MS
327 PM CDT Mon Aug 23 2021

LAZ024-026-MSZ060-240500-
/O.NEW.KJAN.EH.W.0003.210824T1500Z-210825T0000Z/
/O.CON.KJAN.HT.Y.0009.000000T0000Z-210824T0000Z/
Catahoula-Concordia-Adams-
Including the cities of Jonesville, Harrisonburg, Vidalia, 
Ferriday, West Ferriday, and Natchez
327 PM CDT Mon Aug 23 2021

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...
...EXCESSIVE HEAT WARNING IN EFFECT FROM 10 AM TO 7 PM CDT
TUESDAY...

* WHAT...Dangerously hot conditions with heat index values in
  excess of 110 degrees expected.

* WHERE...In Mississippi, Adams County. In Louisiana, Catahoula
  and Concordia Parishes.

* WHEN...Until 7 PM CDT this evening, and from 10 AM to 7 PM CDT
  Tuesday.

* 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.

&&

$$

ARZ074-075-LAZ007>009-015-016-023-025-MSZ018-019-025-034-035-
040>042-047-048-053-054-059-061>063-240500-
/O.EXT.KJAN.EH.W.0002.000000T0000Z-210825T0000Z/
Ashley-Chicot-Morehouse-West Carroll-East Carroll-Richland-
Madison LA-Franklin LA-Tensas-Bolivar-Sunflower-Leflore-
Washington-Humphreys-Issaquena-Sharkey-Yazoo-Warren-Hinds-
Claiborne-Copiah-Jefferson-Franklin MS-Lincoln-Lawrence-
Including the cities of Crossett, North Crossett, Hamburg, 
West Crossett, Dermott, Lake Village, Eudora, Bastrop, Oak Grove,
Epps, Lake Providence, Rayville, Delhi, Tallulah, Winnsboro, 
Newellton, St. Joseph, Waterproof, Cleveland, Indianola, 
Ruleville, Greenwood, Greenville, Belzoni, Isola, Mayersville, 
Rolling Fork, Anguilla, Yazoo City, Vicksburg, Jackson, 
Port Gibson, Crystal Springs, Hazlehurst, Wesson, Fayette, Bude, 
Roxie, Meadville, Brookhaven, Monticello, and New Hebron
327 PM CDT Mon Aug 23 2021

...EXCESSIVE HEAT WARNING NOW IN EFFECT UNTIL 7 PM CDT TUESDAY...

* WHAT...Dangerously hot conditions with daytime heat index values
  up to 115. Overnight temperatures warmer than 75 degrees.

* WHERE...Northeast Louisiana, far southeast Arkansas, and western
  Mississippi.

* WHEN...Until 7 PM CDT Tuesday.

* 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.

&&

$$

MSZ026>028-036-037-043-044-049-050-055-056-064>066-072>074-240500-
/O.NEW.KJAN.HT.Y.0010.210824T1500Z-210825T0000Z/
/O.CON.KJAN.HT.Y.0009.000000T0000Z-210824T0000Z/
Grenada-Carroll-Montgomery-Holmes-Attala-Madison MS-Leake-Rankin-
Scott-Simpson-Smith-Jefferson Davis-Covington-Jones-Marion-Lamar-
Forrest-
Including the cities of Grenada, Vaiden, North Carrollton, 
Carrollton, Winona, Durant, Tchula, Lexington, Pickens, Goodman, 
Kosciusko, Ridgeland, Madison, Canton, Carthage, Pearl, Brandon, 
Richland, Forest, Morton, Magee, Mendenhall, Taylorsville, 
Raleigh, Prentiss, Bassfield, Collins, Mount Olive, Laurel, 
Columbia, West Hattiesburg, Lumberton, Purvis, and Hattiesburg
327 PM CDT Mon Aug 23 2021

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...
...HEAT ADVISORY IN EFFECT FROM 10 AM TO 7 PM CDT TUESDAY...

* WHAT...Heat index values of 105 to 110.

* WHERE...Portions of central and southern Mississippi.

* WHEN...Until 7 PM CDT this evening, and again from 10 AM to 7 
  PM CDT Tuesday.

* 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.

&&

$$

NF
530 
WWUS74 KJAN 240214
NPWJAN

URGENT - WEATHER MESSAGE
National Weather Service Jackson MS
914 PM CDT Mon Aug 23 2021

ARZ074-075-LAZ007>009-015-016-023-025-MSZ018-019-025-034-035-
040>042-047-048-053-054-059-061>063-241015-
/O.CON.KJAN.EH.W.0002.000000T0000Z-210825T0000Z/
Ashley-Chicot-Morehouse-West Carroll-East Carroll-Richland-
Madison LA-Franklin LA-Tensas-Bolivar-Sunflower-Leflore-
Washington-Humphreys-Issaquena-Sharkey-Yazoo-Warren-Hinds-
Claiborne-Copiah-Jefferson-Franklin MS-Lincoln-Lawrence-
Including the cities of Crossett, North Crossett, Hamburg, 
West Crossett, Dermott, Lake Village, Eudora, Bastrop, Oak Grove,
Epps, Lake Providence, Rayville, Delhi, Tallulah, Winnsboro, 
Newellton, St. Joseph, Waterproof, Cleveland, Indianola, 
Ruleville, Greenwood, Greenville, Belzoni, Isola, Mayersville, 
Rolling Fork, Anguilla, Yazoo City, Vicksburg, Jackson, 
Port Gibson, Crystal Springs, Hazlehurst, Wesson, Fayette, Bude, 
Roxie, Meadville, Brookhaven, Monticello, and New Hebron
914 PM CDT Mon Aug 23 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM CDT
TUESDAY...

* WHAT...Dangerously hot conditions with daytime heat index 
  values up to 115. Overnight temperatures warmer than 75 
  degrees.

* WHERE...Northeast Louisiana, far southeast Arkansas, and 
  western Mississippi.

* WHEN...Until 7 PM CDT Tuesday.

* 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.

&&

$$

LAZ024-026-MSZ060-241015-
/O.CON.KJAN.EH.W.0003.210824T1500Z-210825T0000Z/
Catahoula-Concordia-Adams-
Including the cities of Jonesville, Harrisonburg, Vidalia, 
Ferriday, West Ferriday, and Natchez
914 PM CDT Mon Aug 23 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 10 AM TO 7 PM
CDT TUESDAY...

* WHAT...Dangerously hot conditions with heat index values in 
  excess of 110 degrees expected.

* WHERE...In Mississippi, Adams County. In Louisiana, Catahoula 
  and Concordia Parishes.

* WHEN...10 AM to 7 PM CDT Tuesday.

* 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.

&&

$$

MSZ026>028-036-037-043-044-049-050-055-056-064>066-072>074-241015-
/O.CON.KJAN.HT.Y.0010.210824T1500Z-210825T0000Z/
Grenada-Carroll-Montgomery-Holmes-Attala-Madison MS-Leake-Rankin-
Scott-Simpson-Smith-Jefferson Davis-Covington-Jones-Marion-Lamar-
Forrest-
Including the cities of Grenada, Vaiden, North Carrollton, 
Carrollton, Winona, Durant, Tchula, Lexington, Pickens, Goodman, 
Kosciusko, Ridgeland, Madison, Canton, Carthage, Pearl, Brandon, 
Richland, Forest, Morton, Magee, Mendenhall, Taylorsville, 
Raleigh, Prentiss, Bassfield, Collins, Mount Olive, Laurel, 
Columbia, West Hattiesburg, Lumberton, Purvis, and Hattiesburg
914 PM CDT Mon Aug 23 2021

...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM TO 7 PM CDT
TUESDAY...

* WHAT...Heat index values of 105 to 110.

* WHERE...Portions of central and southern Mississippi.

* WHEN...10 AM to 7 PM CDT Tuesday.

* 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.

&&

$$
828 
WWUS74 KJAN 240719 AAA
NPWJAN

URGENT - WEATHER MESSAGE...UPDATED
National Weather Service Jackson MS
219 AM CDT Tue Aug 24 2021

ARZ074-075-LAZ007>009-015-016-023-025-MSZ018-019-025-034-035-
040>042-047-048-053-054-059-061>063-241530-
/O.CON.KJAN.EH.W.0002.000000T0000Z-210825T0000Z/
Ashley-Chicot-Morehouse-West Carroll-East Carroll-Richland-
Madison LA-Franklin LA-Tensas-Bolivar-Sunflower-Leflore-
Washington-Humphreys-Issaquena-Sharkey-Yazoo-Warren-Hinds-
Claiborne-Copiah-Jefferson-Franklin MS-Lincoln-Lawrence-
Including the cities of Crossett, North Crossett, Hamburg, 
West Crossett, Dermott, Lake Village, Eudora, Bastrop, Oak Grove,
Epps, Lake Providence, Rayville, Delhi, Tallulah, Winnsboro, 
Newellton, St. Joseph, Waterproof, Cleveland, Indianola, 
Ruleville, Greenwood, Greenville, Belzoni, Isola, Mayersville, 
Rolling Fork, Anguilla, Yazoo City, Vicksburg, Jackson, 
Port Gibson, Crystal Springs, Hazlehurst, Wesson, Fayette, Bude, 
Roxie, Meadville, Brookhaven, Monticello, and New Hebron
219 AM CDT Tue Aug 24 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING...

* WHAT...Dangerously hot conditions with daytime heat index values  
  up to 115 degrees. Overnight temperatures warmer than 75 
  degrees.

* WHERE...Northeast Louisiana, far southeast Arkansas, and 
  western Mississippi.

* WHEN...Until 7 PM CDT Tuesday.

* 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.

&&

$$

LAZ024-026-MSZ060-241530-
/O.CON.KJAN.EH.W.0003.210824T1500Z-210825T0000Z/
Catahoula-Concordia-Adams-
Including the cities of Jonesville, Harrisonburg, Vidalia, 
Ferriday, West Ferriday, and Natchez
219 AM CDT Tue Aug 24 2021

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

* WHAT...Dangerously hot conditions with heat index values in 
  excess of 110 degrees expected.

* WHERE...In Mississippi, Adams County. In Louisiana, Catahoula 
  and Concordia Parishes.

* WHEN...10 AM to 7 PM CDT Tuesday.

* 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.

&&

$$

MSZ026>028-036-037-043-044-049-050-055-056-064>066-072>074-241530-
/O.CON.KJAN.HT.Y.0010.210824T1500Z-210825T0000Z/
Grenada-Carroll-Montgomery-Holmes-Attala-Madison MS-Leake-Rankin-
Scott-Simpson-Smith-Jefferson Davis-Covington-Jones-Marion-Lamar-
Forrest-
Including the cities of Grenada, Vaiden, North Carrollton, 
Carrollton, Winona, Durant, Tchula, Lexington, Pickens, Goodman, 
Kosciusko, Ridgeland, Madison, Canton, Carthage, Pearl, Brandon, 
Richland, Forest, Morton, Magee, Mendenhall, Taylorsville, 
Raleigh, Prentiss, Bassfield, Collins, Mount Olive, Laurel, 
Columbia, West Hattiesburg, Lumberton, Purvis, and Hattiesburg
219 AM CDT Tue Aug 24 2021

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

* WHAT...Heat index values of 105 to 110 degrees.

* WHERE...Portions of central and southern Mississippi.

* WHEN...10 AM to 7 PM CDT Tuesday.

* 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.

&&

$$

DC
500 
WWUS74 KJAN 241420
NPWJAN

URGENT - WEATHER MESSAGE
National Weather Service Jackson MS
920 AM CDT Tue Aug 24 2021

ARZ074-075-LAZ007>009-015-016-023-025-MSZ018-019-025-034-035-
040>042-047-048-053-054-059-061>063-242230-
/O.CON.KJAN.EH.W.0002.000000T0000Z-210825T0000Z/
Ashley-Chicot-Morehouse-West Carroll-East Carroll-Richland-
Madison LA-Franklin LA-Tensas-Bolivar-Sunflower-Leflore-
Washington-Humphreys-Issaquena-Sharkey-Yazoo-Warren-Hinds-
Claiborne-Copiah-Jefferson-Franklin MS-Lincoln-Lawrence-
Including the cities of Crossett, North Crossett, Hamburg, 
West Crossett, Dermott, Lake Village, Eudora, Bastrop, Oak Grove,
Epps, Lake Providence, Rayville, Delhi, Tallulah, Winnsboro, 
Newellton, St. Joseph, Waterproof, Cleveland, Indianola, 
Ruleville, Greenwood, Greenville, Belzoni, Isola, Mayersville, 
Rolling Fork, Anguilla, Yazoo City, Vicksburg, Jackson, 
Port Gibson, Crystal Springs, Hazlehurst, Wesson, Fayette, Bude, 
Roxie, Meadville, Brookhaven, Monticello, and New Hebron
920 AM CDT Tue Aug 24 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING...

* WHAT...Dangerously hot conditions with daytime heat index 
  values up to 115 degrees. Overnight temperatures warmer than 
  75 degrees.

* WHERE...Northeast Louisiana, far southeast Arkansas, and 
  western Mississippi.

* WHEN...Until 7 PM CDT Tuesday.

* 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.

&&

$$

LAZ024-026-MSZ060-242230-
/O.CON.KJAN.EH.W.0003.210824T1500Z-210825T0000Z/
Catahoula-Concordia-Adams-
Including the cities of Jonesville, Harrisonburg, Vidalia, 
Ferriday, West Ferriday, and Natchez
920 AM CDT Tue Aug 24 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING...

* WHAT...Dangerously hot conditions with heat index values in 
  excess of 110 degrees expected.

* WHERE...In Mississippi, Adams County. In Louisiana, Catahoula 
  and Concordia Parishes.

* WHEN...10 AM to 7 PM CDT Tuesday.

* 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.

&&

$$

MSZ026>028-036-037-043-044-049-050-055-056-064>066-072>074-242230-
/O.CON.KJAN.HT.Y.0010.210824T1500Z-210825T0000Z/
Grenada-Carroll-Montgomery-Holmes-Attala-Madison MS-Leake-Rankin-
Scott-Simpson-Smith-Jefferson Davis-Covington-Jones-Marion-Lamar-
Forrest-
Including the cities of Grenada, Vaiden, North Carrollton, 
Carrollton, Winona, Durant, Tchula, Lexington, Pickens, Goodman, 
Kosciusko, Ridgeland, Madison, Canton, Carthage, Pearl, Brandon, 
Richland, Forest, Morton, Magee, Mendenhall, Taylorsville, 
Raleigh, Prentiss, Bassfield, Collins, Mount Olive, Laurel, 
Columbia, West Hattiesburg, Lumberton, Purvis, and Hattiesburg
920 AM CDT Tue Aug 24 2021

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...

* WHAT...Heat index values of 105 to 110 degrees.

* WHERE...Portions of central and southern Mississippi.

* WHEN...10 AM to 7 PM CDT Tuesday.

* 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.

&&

$$
107 
WWUS74 KJAN 242001
NPWJAN

URGENT - WEATHER MESSAGE
National Weather Service Jackson MS
301 PM CDT Tue Aug 24 2021

ARZ074-075-LAZ007>009-015-016-023-025-MSZ018-019-025-034-035-
040>042-047-048-053-054-059-061>063-250415-
/O.NEW.KJAN.HT.Y.0011.210825T1500Z-210826T0000Z/
/O.CON.KJAN.EH.W.0002.000000T0000Z-210825T0000Z/
Ashley-Chicot-Morehouse-West Carroll-East Carroll-Richland-
Madison LA-Franklin LA-Tensas-Bolivar-Sunflower-Leflore-
Washington-Humphreys-Issaquena-Sharkey-Yazoo-Warren-Hinds-
Claiborne-Copiah-Jefferson-Franklin MS-Lincoln-Lawrence-
Including the cities of Crossett, North Crossett, Hamburg, 
West Crossett, Dermott, Lake Village, Eudora, Bastrop, Oak Grove,
Epps, Lake Providence, Rayville, Delhi, Tallulah, Winnsboro, 
Newellton, St. Joseph, Waterproof, Cleveland, Indianola, 
Ruleville, Greenwood, Greenville, Belzoni, Isola, Mayersville, 
Rolling Fork, Anguilla, Yazoo City, Vicksburg, Jackson, 
Port Gibson, Crystal Springs, Hazlehurst, Wesson, Fayette, Bude, 
Roxie, Meadville, Brookhaven, Monticello, and New Hebron
301 PM CDT Tue Aug 24 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING...
...HEAT ADVISORY IN EFFECT FROM 10 AM TO 7 PM CDT WEDNESDAY...

* 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 110 expected.

* WHERE...Portions of northeast Louisiana, central, north 
  central, northwest, south central, southwest and west central 
  Mississippi and southeast Arkansas.

* WHEN...For the Excessive Heat Warning, until 7 PM CDT this 
  evening. For the Heat Advisory, from 10 AM to 7 PM CDT 
  Wednesday.

* 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.

&&

$$

LAZ024-026-MSZ060-250415-
/O.NEW.KJAN.HT.Y.0011.210825T1500Z-210826T0000Z/
/O.CON.KJAN.EH.W.0003.000000T0000Z-210825T0000Z/
Catahoula-Concordia-Adams-
Including the cities of Jonesville, Harrisonburg, Vidalia, 
Ferriday, West Ferriday, and Natchez
301 PM CDT Tue Aug 24 2021

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING...
...HEAT ADVISORY IN EFFECT FROM 10 AM TO 7 PM CDT WEDNESDAY...

* 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 110 expected.

* WHERE...In Mississippi, Adams County. In Louisiana, Catahoula 
  and Concordia Counties.

* WHEN...For the Excessive Heat Warning, until 7 PM CDT this 
  evening. For the Heat Advisory, from 10 AM to 7 PM CDT 
  Wednesday.

* 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.

&&

$$

MSZ026>028-036-037-043-044-049-050-055-056-064>066-072>074-250415-
/O.NEW.KJAN.HT.Y.0011.210825T1500Z-210826T0000Z/
/O.CON.KJAN.HT.Y.0010.000000T0000Z-210825T0000Z/
Grenada-Carroll-Montgomery-Holmes-Attala-Madison MS-Leake-Rankin-
Scott-Simpson-Smith-Jefferson Davis-Covington-Jones-Marion-Lamar-
Forrest-
Including the cities of Grenada, Vaiden, North Carrollton, 
Carrollton, Winona, Durant, Tchula, Lexington, Pickens, Goodman, 
Kosciusko, Ridgeland, Madison, Canton, Carthage, Pearl, Brandon, 
Richland, Forest, Morton, Magee, Mendenhall, Taylorsville, 
Raleigh, Prentiss, Bassfield, Collins, Mount Olive, Laurel, 
Columbia, West Hattiesburg, Lumberton, Purvis, and Hattiesburg
301 PM CDT Tue Aug 24 2021

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...
...HEAT ADVISORY IN EFFECT FROM 10 AM TO 7 PM CDT WEDNESDAY...

* WHAT...For the Heat Advisory, heat index values up to 110. 

* WHERE...Portions of central, north central, south central and 
  southeast Mississippi.

* WHEN...For the first Heat Advisory, until 7 PM CDT this 
  evening. For the second Heat Advisory, from 10 AM to 7 PM CDT 
  Wednesday.

* 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.

&&

$$

The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 21, 9:19 PM CDTSpecial Weather StatementJANWebster41 min
Aug 21, 9:56 PM CDTSpecial Weather StatementJANWebster34 min
Aug 21, 10:54 PM CDTSpecial Weather StatementJANLowndes36 min
Aug 22, 3:33 PM CDTSpecial Weather StatementJANKemper27 min
Aug 22, 5:16 PM CDTSpecial Weather StatementJANHumphreys29 min
Aug 22, 5:54 PM CDTSpecial Weather StatementJANHinds36 min
Aug 22, 5:58 PM CDTSpecial Weather StatementJANNewton32 min
Aug 22, 6:36 PM CDTSpecial Weather StatementJANJasper39 min

Nearby

Excessive Heat Warnings in Mississippi, 2021Excessive Heat Warnings in Louisiana, 2021Excessive Heat Warnings in Arkansas, 2021Every excessive heat warning in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.