Alert archive / Mississippi / Excessive Heat Warnings in 2021

Excessive Heat Warning 2, NWS Mobile, AL

July 30, 2021Escambia County, Okaloosa County, Santa Rosa County, Florida; 5 counties in Mississippi; Baldwin County, Mobile County, Washington County, Alabama

NWS Mobile, AL issued this excessive heat warning at Jul 30, 2021, 4:39 AM CDT for Escambia County, Okaloosa County, Santa Rosa County, Florida; 5 counties in Mississippi; Baldwin County, Mobile County, Washington County, Alabama. It took effect at Jul 31, 2021, 10:00 AM CDT. It was in force for 9 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
Jul 30, 2021, 4:39 AM CDT (09:39 UTC)
In effect from
Jul 31, 2021, 10:00 AM CDT
Expired
Jul 31, 2021, 7:00 PM CDT
In force
9 hr
Issued by
NWS Mobile, AL

Counties Baldwin County, AL, Mobile County, AL, Washington County, AL, Escambia County, FL, Okaloosa County, FL, Santa Rosa County, FL, George County, MS, Greene County, MS, Perry County, MS, Stone County, MS, Wayne County, MS

The radar

The Mobile radar (KMOB), 32 km from the middle of the area, began a volume at 09:40 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

Slidell Radar S, LA (KSIL), launched 00:00Z, 9.7 hours before the alert went out and 171 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, Slidell Radar S, LA at 00:00Z on 2021-07-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1533 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, Slidell Radar S, LA at 00:00Z on 2021-07-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -12 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
1533 J/kg
Mixed-layer CIN
-68 J/kg
Mixed-layer LCL
1067 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
-12 m²/s²
0-3 km storm-relative helicity
41 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

941 
WWUS74 KMOB 300939
NPWMOB

URGENT - WEATHER MESSAGE
National Weather Service Mobile AL
439 AM CDT Fri Jul 30 2021

MSZ075-078-301745-
/O.UPG.KMOB.EH.A.0002.210731T0000Z-210801T0000Z/
/O.NEW.KMOB.EH.W.0002.210731T1500Z-210801T0000Z/
/O.EXB.KMOB.HT.Y.0003.210731T0000Z-210731T1500Z/
/O.CON.KMOB.EH.W.0001.210730T1500Z-210731T0000Z/
/O.CON.KMOB.HT.Y.0004.000000T0000Z-210730T1500Z/
Perry-Stone-
Including the cities of Beaumont, New Augusta, Richton, 
and Wiggins
439 AM CDT Fri Jul 30 2021

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

* WHAT...For the Excessive Heat Warning, dangerously hot
  conditions with heat index values up to 114 expected. For the
  Heat Advisory, heat index values up to 110 expected. 

* WHERE...Perry and Stone Counties.

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

&&

$$

ALZ052-261>266-FLZ201>206-MSZ076-079-301745-
/O.UPG.KMOB.EH.A.0002.210731T0000Z-210801T0000Z/
/O.NEW.KMOB.EH.W.0002.210731T1500Z-210801T0000Z/
/O.EXB.KMOB.HT.Y.0003.210731T0000Z-210731T1500Z/
/O.CON.KMOB.EH.W.0001.210730T1500Z-210731T0000Z/
/O.CON.KMOB.HT.Y.0002.000000T0000Z-210730T1500Z/
Washington-Mobile Inland-Baldwin Inland-Mobile Central-
Baldwin Central-Mobile Coastal-Baldwin Coastal-Escambia Inland-
Escambia Coastal-Santa Rosa Inland-Santa Rosa Coastal-
Okaloosa Inland-Okaloosa Coastal-Greene-George-
Including the cities of Chatom, Millry, Citronelle, Saraland, 
Stockton, Mobile, Prichard, Theodore, Bay Minette, Daphne, 
Fairhope, Foley, Spanish Fort, Bayou La Batre, Dauphin Island, 
Grand Bay, Fort Morgan, Gulf Shores, Orange Beach, Century, 
Molino, Walnut Hill, Beulah, Ensley, Fort Pickens, Pensacola, 
Pensacola Beach, Perdido Bay, Jay, Milton, Bagdad, Gulf Breeze, 
Navarre, Crestview, Destin, Eglin AFB, Fort Walton Beach, 
Niceville, Seminole, Valparaiso, Wright, Leakesville, McLain, 
and Lucedale
439 AM CDT Fri Jul 30 2021

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

* WHAT...For the Excessive Heat Warning, dangerously hot
  conditions with heat index values up to 114 expected. For the
  Heat Advisory, heat index values up to 110 expected.
 
* WHERE...Portions of southwest Alabama, northwest Florida and 
  southeast Mississippi.

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

&&

$$

MSZ067-301745-
/O.NEW.KMOB.EH.W.0002.210731T1500Z-210801T0000Z/
/O.NEW.KMOB.HT.Y.0005.210731T0000Z-210731T1500Z/
/O.EXA.KMOB.EH.W.0001.210730T1500Z-210731T0000Z/
/O.EXT.KMOB.HT.Y.0003.000000T0000Z-210730T1500Z/
Wayne-
Including the city of Waynesboro
439 AM CDT Fri Jul 30 2021

...HEAT ADVISORY NOW IN EFFECT UNTIL 10 AM CDT THIS MORNING...
...EXCESSIVE HEAT WARNING IN EFFECT FROM 10 AM THIS MORNING TO
7 PM CDT THIS EVENING...
...HEAT ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 10 AM CDT
SATURDAY...
...EXCESSIVE HEAT WARNING IN EFFECT FROM 10 AM TO 7 PM CDT
SATURDAY...

* WHAT...For the Excessive Heat Warning, dangerously hot
  conditions with heat index values up to 114 expected. For the
  Heat Advisory, heat index values up to 110 expected. 

* WHERE...Wayne County.

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

* 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.

&&

$$

ALZ051-053>060-301745-
/O.CON.KMOB.HT.Y.0003.000000T0000Z-210801T0000Z/
Choctaw-Clarke-Wilcox-Monroe-Conecuh-Butler-Crenshaw-Escambia-
Covington-
Including the cities of Butler, Lisman, Silas, Grove Hill, 
Jackson, Thomasville, Camden, Pine Hill, Homewood, Monroeville, 
Evergreen, Greenville, Brantley, Luverne, Atmore, Brewton, 
Flomaton, Andalusia, and Opp
439 AM CDT Fri Jul 30 2021

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

* WHAT...Heat index values up to 110.

* WHERE...Wilcox, Conecuh, Covington, Crenshaw, Escambia, 
  Choctaw, Clarke, Monroe and Butler Counties.

* WHEN...Until 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.

&&

$$
4 follow-up statements
957 
WWUS74 KMOB 301754
NPWMOB

URGENT - WEATHER MESSAGE
National Weather Service Mobile AL
1254 PM CDT Fri Jul 30 2021

ALZ052-261>266-FLZ201>206-MSZ075-076-078-079-310200-
/O.CON.KMOB.EH.W.0001.000000T0000Z-210731T0000Z/
/O.CON.KMOB.EH.W.0002.210731T1500Z-210801T0000Z/
/O.CON.KMOB.HT.Y.0003.210731T0000Z-210731T1500Z/
Washington-Mobile Inland-Baldwin Inland-Mobile Central-
Baldwin Central-Mobile Coastal-Baldwin Coastal-Escambia Inland-
Escambia Coastal-Santa Rosa Inland-Santa Rosa Coastal-
Okaloosa Inland-Okaloosa Coastal-Perry-Greene-Stone-George-
Including the cities of Chatom, Millry, Citronelle, Saraland, 
Stockton, Mobile, Prichard, Theodore, Bay Minette, Daphne, 
Fairhope, Foley, Spanish Fort, Bayou La Batre, Dauphin Island, 
Grand Bay, Fort Morgan, Gulf Shores, Orange Beach, Century, 
Molino, Walnut Hill, Beulah, Ensley, Fort Pickens, Pensacola, 
Pensacola Beach, Perdido Bay, Jay, Milton, Bagdad, Gulf Breeze, 
Navarre, Crestview, Destin, Eglin AFB, Fort Walton Beach, 
Niceville, Seminole, Valparaiso, Wright, Beaumont, New Augusta, 
Richton, Leakesville, McLain, Wiggins, and Lucedale
1254 PM CDT Fri Jul 30 2021

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

* WHAT...For the first Excessive Heat Warning, dangerously hot 
  conditions with heat index values up to 109. For the second 
  Excessive Heat Warning, dangerously hot conditions with heat 
  index values up to 111 expected. For the Heat Advisory, heat 
  index values up to 104 expected.

* WHERE...Portions of southwest Alabama, northwest Florida and 
  southeast Mississippi.

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

&&

$$

MSZ067-310200-
/O.CON.KMOB.EH.W.0001.000000T0000Z-210731T0000Z/
/O.CON.KMOB.EH.W.0002.210731T1500Z-210801T0000Z/
/O.CON.KMOB.HT.Y.0005.210731T0000Z-210731T1500Z/
Wayne-
Including the city of Waynesboro
1254 PM CDT Fri Jul 30 2021

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

* WHAT...For the first Excessive Heat Warning, dangerously hot 
  conditions with heat index values up to 105. For the second 
  Excessive Heat Warning, dangerously hot conditions with heat 
  index values up to 108 expected. For the Heat Advisory, heat 
  index values up to 101 expected.

* WHERE...Wayne County.

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

&&

$$

ALZ051-053>060-310200-
/O.CON.KMOB.HT.Y.0003.000000T0000Z-210801T0000Z/
Choctaw-Clarke-Wilcox-Monroe-Conecuh-Butler-Crenshaw-Escambia-
Covington-
Including the cities of Butler, Lisman, Silas, Grove Hill, 
Jackson, Thomasville, Camden, Pine Hill, Homewood, Monroeville, 
Evergreen, Greenville, Brantley, Luverne, Atmore, Brewton, 
Flomaton, Andalusia, and Opp
1254 PM CDT Fri Jul 30 2021

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

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

* WHERE...Wilcox, Conecuh, Covington, Crenshaw, Escambia, 
  Choctaw, Clarke, Monroe and Butler Counties.

* WHEN...Until 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.

&&

$$

JLH
446 
WWUS74 KMOB 310211
NPWMOB

URGENT - WEATHER MESSAGE
National Weather Service Mobile AL
911 PM CDT Fri Jul 30 2021

ALZ052-261>266-FLZ201>206-MSZ075-076-078-079-311015-
/O.CON.KMOB.EH.W.0002.210731T1500Z-210801T0000Z/
/O.CON.KMOB.HT.Y.0003.000000T0000Z-210731T1500Z/
Washington-Mobile Inland-Baldwin Inland-Mobile Central-
Baldwin Central-Mobile Coastal-Baldwin Coastal-Escambia Inland-
Escambia Coastal-Santa Rosa Inland-Santa Rosa Coastal-
Okaloosa Inland-Okaloosa Coastal-Perry-Greene-Stone-George-
Including the cities of Chatom, Millry, Citronelle, Saraland, 
Stockton, Mobile, Prichard, Theodore, Bay Minette, Daphne, 
Fairhope, Foley, Spanish Fort, Bayou La Batre, Dauphin Island, 
Grand Bay, Fort Morgan, Gulf Shores, Orange Beach, Century, 
Molino, Walnut Hill, Beulah, Ensley, Fort Pickens, Pensacola, 
Pensacola Beach, Perdido Bay, Jay, Milton, Bagdad, Gulf Breeze, 
Navarre, Crestview, Destin, Eglin AFB, Fort Walton Beach, 
Niceville, Seminole, Valparaiso, Wright, Beaumont, New Augusta, 
Richton, Leakesville, McLain, Wiggins, and Lucedale
911 PM CDT Fri Jul 30 2021

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT SATURDAY...
...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 10 AM TO 7 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 102.

* WHERE...Portions of southwest Alabama, northwest Florida and 
  southeast Mississippi.

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

&&

$$

MSZ067-311015-
/O.CON.KMOB.EH.W.0002.210731T1500Z-210801T0000Z/
/O.CON.KMOB.HT.Y.0005.000000T0000Z-210731T1500Z/
Wayne-
Including the city of Waynesboro
911 PM CDT Fri Jul 30 2021

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

* WHAT...For the Excessive Heat Warning, dangerously hot 
  conditions with heat index values up to 108 expected. For the 
  Heat Advisory, heat index values up to 96.

* WHERE...Wayne County.

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

&&

$$

ALZ051-053>060-311015-
/O.CON.KMOB.HT.Y.0003.000000T0000Z-210801T0000Z/
Choctaw-Clarke-Wilcox-Monroe-Conecuh-Butler-Crenshaw-Escambia-
Covington-
Including the cities of Butler, Lisman, Silas, Grove Hill, 
Jackson, Thomasville, Camden, Pine Hill, Homewood, Monroeville, 
Evergreen, Greenville, Brantley, Luverne, Atmore, Brewton, 
Flomaton, Andalusia, and Opp
911 PM CDT Fri Jul 30 2021

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

* WHAT...Heat index values up to 112.

* WHERE...Wilcox, Conecuh, Covington, Crenshaw, Escambia, 
  Choctaw, Clarke, Monroe and Butler Counties.

* WHEN...Until 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.

&&

$$
224 
WWUS74 KMOB 310845
NPWMOB

URGENT - WEATHER MESSAGE
National Weather Service Mobile AL
345 AM CDT Sat Jul 31 2021

ALZ052-261>266-FLZ201>206-MSZ075-076-078-079-311800-
/O.CON.KMOB.EH.W.0002.210731T1500Z-210801T0000Z/
/O.CON.KMOB.HT.Y.0003.000000T0000Z-210731T1500Z/
Washington-Mobile Inland-Baldwin Inland-Mobile Central-
Baldwin Central-Mobile Coastal-Baldwin Coastal-Escambia Inland-
Escambia Coastal-Santa Rosa Inland-Santa Rosa Coastal-
Okaloosa Inland-Okaloosa Coastal-Perry-Greene-Stone-George-
Including the cities of Chatom, Millry, Citronelle, Saraland, 
Stockton, Mobile, Prichard, Theodore, Bay Minette, Daphne, 
Fairhope, Foley, Spanish Fort, Bayou La Batre, Dauphin Island, 
Grand Bay, Fort Morgan, Gulf Shores, Orange Beach, Century, 
Molino, Walnut Hill, Beulah, Ensley, Fort Pickens, Pensacola, 
Pensacola Beach, Perdido Bay, Jay, Milton, Bagdad, Gulf Breeze, 
Navarre, Crestview, Destin, Eglin AFB, Fort Walton Beach, 
Niceville, Seminole, Valparaiso, Wright, Beaumont, New Augusta, 
Richton, Leakesville, McLain, Wiggins, and Lucedale
345 AM CDT Sat Jul 31 2021

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

* WHAT...For the Excessive Heat Warning, dangerously hot
  conditions with heat index values up to 114 expected. For the
  Heat Advisory, heat index values up to 110.

* WHERE...Portions of southwest Alabama, northwest Florida and 
  southeast Mississippi.

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

&&

$$

MSZ067-311800-
/O.CON.KMOB.EH.W.0002.210731T1500Z-210801T0000Z/
/O.CON.KMOB.HT.Y.0005.000000T0000Z-210731T1500Z/
Wayne-
Including the city of Waynesboro
345 AM CDT Sat Jul 31 2021

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

* WHAT...For the Excessive Heat Warning, dangerously hot
  conditions with heat index values up to 114 expected. For the 
  Heat Advisory, heat index values up to 110.

* WHERE...Wayne County.

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

&&

$$

ALZ051-053>060-311800-
/O.CON.KMOB.HT.Y.0003.000000T0000Z-210801T0000Z/
Choctaw-Clarke-Wilcox-Monroe-Conecuh-Butler-Crenshaw-Escambia-
Covington-
Including the cities of Butler, Lisman, Silas, Grove Hill, 
Jackson, Thomasville, Camden, Pine Hill, Homewood, Monroeville, 
Evergreen, Greenville, Brantley, Luverne, Atmore, Brewton, 
Flomaton, Andalusia, and Opp
345 AM CDT Sat Jul 31 2021

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

* WHAT...Heat index values up to 110.

* WHERE...Wilcox, Conecuh, Covington, Crenshaw, Escambia, 
  Choctaw, Clarke, Monroe and Butler Counties.

* WHEN...Until 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.

&&

$$
410 
WWUS74 KMOB 311718
NPWMOB

URGENT - WEATHER MESSAGE
National Weather Service Mobile AL
1218 PM CDT Sat Jul 31 2021

ALZ052-261>266-FLZ201>206-MSZ067-075-076-078-079-010100-
/O.NEW.KMOB.HT.Y.0006.210801T0000Z-210802T0000Z/
/O.CON.KMOB.EH.W.0002.000000T0000Z-210801T0000Z/
Washington-Mobile Inland-Baldwin Inland-Mobile Central-
Baldwin Central-Mobile Coastal-Baldwin Coastal-Escambia Inland-
Escambia Coastal-Santa Rosa Inland-Santa Rosa Coastal-
Okaloosa Inland-Okaloosa Coastal-Wayne-Perry-Greene-Stone-George-
Including the cities of Chatom, Millry, Citronelle, Saraland, 
Stockton, Mobile, Prichard, Theodore, Bay Minette, Daphne, 
Fairhope, Foley, Spanish Fort, Bayou La Batre, Dauphin Island, 
Grand Bay, Fort Morgan, Gulf Shores, Orange Beach, Century, 
Molino, Walnut Hill, Beulah, Ensley, Fort Pickens, Pensacola, 
Pensacola Beach, Perdido Bay, Jay, Milton, Bagdad, Gulf Breeze, 
Navarre, Crestview, Destin, Eglin AFB, Fort Walton Beach, 
Niceville, Seminole, Valparaiso, Wright, Waynesboro, Beaumont, 
New Augusta, Richton, Leakesville, McLain, Wiggins, and Lucedale
1218 PM CDT Sat Jul 31 2021

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

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

* WHERE...Portions of southwest Alabama, northwest Florida and 
  southeast Mississippi.

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

* ADDITIONAL DETAILS...Heat indices have already climbed into the
  108 to 112 range across most of the area and will only climb
  more this afternoon. For the heat advisory on Sunday, mid-
  morning and early afternoon heat indices will climb into the 
  105 to 110 range. Higher rain chances could limit widespread 
  advisory criteria; however, many locations will still be hot 
  with high heat stress given the duration of the current heat 
  wave. 

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.

&&

$$

ALZ051-053>060-010100-
/O.EXT.KMOB.HT.Y.0003.000000T0000Z-210802T0000Z/
Choctaw-Clarke-Wilcox-Monroe-Conecuh-Butler-Crenshaw-Escambia-
Covington-
Including the cities of Butler, Lisman, Silas, Grove Hill, 
Jackson, Thomasville, Camden, Pine Hill, Homewood, Monroeville, 
Evergreen, Greenville, Brantley, Luverne, Atmore, Brewton, 
Flomaton, Andalusia, and Opp
1218 PM CDT Sat Jul 31 2021

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

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

* WHERE...Wilcox, Conecuh, Covington, Crenshaw, Escambia, 
  Choctaw, Clarke, Monroe and Butler Counties.

* WHEN...Until 7 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.

&&

$$

The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 29, 7:05 PM CDTSpecial Weather StatementMOBEscambia40 min
Jul 29, 7:44 PM CDTSevere Thunderstorm WarningMOBEscambia46 min
Jul 29, 7:47 PM CDTSpecial Weather StatementMOBEscambia43 min
Jul 30, 4:52 PM CDTSpecial Weather StatementMOBEscambia38 min
Jul 29, 7:04 PM CDTSevere Thunderstorm WarningMOBPerry41 min
Jul 30, 4:39 AM CDTHeat AdvisoryMOBWayne29 hr
Jul 29, 7:50 PM CDTSpecial Marine WarningMOB85 min
Jul 30, 4:11 AM CDTSpecial Marine WarningMOB94 min
Jul 30, 9:42 AM CDTSpecial Marine WarningMOB93 min
Jul 30, 11:15 AM CDTSpecial Marine WarningMOB45 min

Nearby

Excessive Heat Warnings in Mississippi, 2021Excessive Heat Warnings in Florida, 2021Excessive Heat Warnings in Alabama, 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.