Alert archive / Arkansas / Heat Advisories in 2021
Heat Advisory 13, NWS Memphis, TN
NWS Memphis, TN issued this heat advisory at Aug 22, 2021, 3:08 PM CDT for 4 states. It took effect at Aug 23, 2021, 11:00 AM CDT. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Aug 22, 2021, 3:08 PM CDT (20:08 UTC)
- In effect from
- Aug 23, 2021, 11:00 AM CDT
- Expired
- Aug 23, 2021, 7:55 PM CDT
- In force
- 9 hr
- Issued by
- NWS Memphis, TN
All 22 counties
Clay County, AR, Craighead County, AR, Crittenden County, AR, Cross County, AR, Greene County, AR, Lee County, AR, Mississippi County, AR, Poinsett County, AR, St. Francis County, AR, Dunklin County, MO, Pemiscot County, MO, DeSoto County, MS, Panola County, MS, Tate County, MS, Tunica County, MS, Yalobusha County, MS, Dyer County, TN, Lake County, TN, Lauderdale County, TN, Obion County, TN, Shelby County, TN, Tipton County, TN
The radar
The Memphis radar (KNQA), 24 km from the middle of the area, began a volume at 20:09 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 12:00Z, 8.1 hours before the alert went out and 71 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 1427 J/kg
- Mixed-layer CIN
- -61 J/kg
- Mixed-layer LCL
- 961 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 38 m²/s²
- 0-3 km storm-relative helicity
- 60 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
936 WWUS74 KMEG 222008 NPWMEG URGENT - WEATHER MESSAGE National Weather Service Memphis TN 308 PM CDT Sun Aug 22 2021 ARZ058-MSZ010-011-020-230915- /O.NEW.KMEG.EH.W.0004.210823T1600Z-210824T0100Z/ /O.CON.KMEG.HT.Y.0012.000000T0000Z-210823T0100Z/ Phillips-Coahoma-Quitman-Tallahatchie- Including the cities of Helena, West Helena, Clarksdale, Marks, and Charleston 308 PM CDT Sun Aug 22 2021 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... ...EXCESSIVE HEAT WARNING IN EFFECT FROM 11 AM TO 8 PM CDT MONDAY... * WHAT...For the Excessive Heat Warning, dangerously hot conditions with heat index values up to 113 expected. * WHERE...In Mississippi, Coahoma, Quitman and Tallahatchie Counties. In Arkansas, Phillips County. * WHEN...The Heat Advisory remains in effect through 8 PM CDT this evening. For the Excessive Heat Warning, from 11 AM to 8 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. && $$ ARZ048-049-MSZ007-230915- /O.NEW.KMEG.HT.Y.0013.210823T1600Z-210824T0100Z/ /O.CON.KMEG.HT.Y.0012.000000T0000Z-210823T0100Z/ St. Francis-Lee AR-Tunica- Including the cities of Forrest City, Marianna, and Tunica 308 PM CDT Sun Aug 22 2021 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... ...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM CDT MONDAY... * WHAT...Heat index values up to 110 expected. * WHERE...In Mississippi, Tunica County. In Arkansas, St. Francis and Lee AR Counties. * WHEN...Through 8 PM CDT this evening, and again from 11 AM to 8 PM CDT Monday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses to occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ ARZ009-018-026>028-035-036-MOZ113-115-MSZ001-008-012-TNZ001-002- 019-048-049-088-230915- /O.NEW.KMEG.HT.Y.0013.210823T1600Z-210824T0100Z/ Clay-Greene-Craighead-Poinsett-Mississippi-Cross-Crittenden- Dunklin-Pemiscot-DeSoto-Tate-Panola-Lake-Obion-Dyer-Lauderdale- Tipton-Shelby- Including the cities of Piggott, Corning, Paragould, Jonesboro, Harrisburg, Blytheville, Wynne, West Memphis, Kennett, Caruthersville, Southaven, Olive Branch, Senatobia, Batesville, Tiptonville, Union City, Dyersburg, Ripley TN, Covington, Bartlett, Germantown, Collierville, Memphis, and Millington 308 PM CDT Sun Aug 22 2021 ...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM CDT MONDAY... * WHAT...Heat index values up to 108 expected. * WHERE...Portions of North Mississippi, West Tennessee, East Arkansas and Southeast Missouri. * WHEN...From 11 AM to 8 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. && $$
5 follow-up statements
195 WWUS74 KMEG 230050 NPWMEG URGENT - WEATHER MESSAGE National Weather Service Memphis TN 750 PM CDT Sun Aug 22 2021 ARZ058-MSZ010-011-020-230900- /O.CAN.KMEG.HT.Y.0012.000000T0000Z-210823T0100Z/ /O.CON.KMEG.EH.W.0004.210823T1600Z-210824T0100Z/ Phillips-Coahoma-Quitman-Tallahatchie- Including the cities of Helena, West Helena, Clarksdale, Marks, and Charleston 750 PM CDT Sun Aug 22 2021 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM CDT MONDAY... ...THE HEAT ADVISORY FOR TODAY WILL BE ALLOWED TO EXPIRE ON TIME AT 8 PM... * WHAT...For the Excessive Heat Warning, dangerously hot conditions with heat index values up to 113 expected. * WHERE...In Mississippi, Quitman, Tallahatchie and Coahoma Counties. In Arkansas, Phillips County. * WHEN...From 11 AM to 8 PM CDT Monday. * IMPACTS...Extreme heat and humidity will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. && $$ ARZ048-049-MSZ007-230900- /O.CAN.KMEG.HT.Y.0012.000000T0000Z-210823T0100Z/ /O.CON.KMEG.HT.Y.0013.210823T1600Z-210824T0100Z/ St. Francis-Lee AR-Tunica- Including the cities of Forrest City, Marianna, and Tunica 750 PM CDT Sun Aug 22 2021 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM CDT MONDAY... ...THE HEAT ADVISORY FOR TODAY WILL BE ALLOWED TO EXPIRE ON TIME AT 8 PM.... * WHAT...Heat index values up to 110 expected. * WHERE...In Mississippi, Tunica County. In Arkansas, Lee AR and St. Francis Counties. * WHEN...From 11 AM to 8 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. && $$ ARZ009-018-026>028-035-036-MOZ113-115-MSZ001-008-012-TNZ001-002- 019-048-049-088-230900- /O.CON.KMEG.HT.Y.0013.210823T1600Z-210824T0100Z/ Clay-Greene-Craighead-Poinsett-Mississippi-Cross-Crittenden- Dunklin-Pemiscot-DeSoto-Tate-Panola-Lake-Obion-Dyer-Lauderdale- Tipton-Shelby- Including the cities of Piggott, Corning, Paragould, Jonesboro, Harrisburg, Blytheville, Wynne, West Memphis, Kennett, Caruthersville, Southaven, Olive Branch, Senatobia, Batesville, Tiptonville, Union City, Dyersburg, Ripley TN, Covington, Bartlett, Germantown, Collierville, Memphis, and Millington 750 PM CDT Sun Aug 22 2021 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM CDT MONDAY... * WHAT...Heat index values up to 108 expected. * WHERE...Portions of North Mississippi, West Tennessee, East Arkansas and Southeast Missouri. * WHEN...From 11 AM to 8 PM CDT Monday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses to occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. && $$
277 WWUS74 KMEG 230809 NPWMEG URGENT - WEATHER MESSAGE National Weather Service Memphis TN 309 AM CDT Mon Aug 23 2021 ARZ058-MSZ010-011-020-231615- /O.NEW.KMEG.EH.W.0005.210824T1600Z-210825T0100Z/ /O.CON.KMEG.EH.W.0004.210823T1600Z-210824T0100Z/ Phillips-Coahoma-Quitman-Tallahatchie- Including the cities of Helena, West Helena, Clarksdale, Marks, and Charleston 309 AM CDT Mon Aug 23 2021 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT THIS EVENING... ...EXCESSIVE HEAT WARNING IN EFFECT FROM 11 AM TO 8 PM CDT TUESDAY... * WHAT...Dangerously hot conditions with heat index values of 108 to 113 degrees. * WHERE...In Mississippi, Coahoma, Quitman and Tallahatchie Counties. In Arkansas, Phillips County. * WHEN...For the Excessive Heat Warning, from 11 AM this morning to 8 PM CDT this evening. For the Excessive Heat Warning, from 11 AM to 8 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. && $$ ARZ009-018-026>028-035-036-048-049-MOZ113-115-MSZ001-007-008-012- TNZ001-002-019-048-049-088-231615- /O.NEW.KMEG.HT.Y.0014.210824T1600Z-210825T0100Z/ /O.CON.KMEG.HT.Y.0013.210823T1600Z-210824T0100Z/ Clay-Greene-Craighead-Poinsett-Mississippi-Cross-Crittenden- St. Francis-Lee AR-Dunklin-Pemiscot-DeSoto-Tunica-Tate-Panola- Lake-Obion-Dyer-Lauderdale-Tipton-Shelby- Including the cities of Piggott, Corning, Paragould, Jonesboro, Harrisburg, Blytheville, Wynne, West Memphis, Forrest City, Marianna, Kennett, Caruthersville, Southaven, Olive Branch, Tunica, Senatobia, Batesville, Tiptonville, Union City, Dyersburg, Ripley TN, Covington, Bartlett, Germantown, Collierville, Memphis, and Millington 309 AM CDT Mon Aug 23 2021 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT THIS EVENING... ...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM CDT TUESDAY... * WHAT...Heat index values 103 to 108. * WHERE...Portions of North Mississippi, West Tennessee, East Arkansas and Southeast Missouri. * WHEN...For the Heat Advisory, from 11 AM this morning to 8 PM CDT this evening. For the Heat Advisory, from 11 AM to 8 PM CDT Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses to occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. && $$ MSZ021-231615- /O.NEW.KMEG.HT.Y.0014.210824T1600Z-210825T0100Z/ /O.EXA.KMEG.HT.Y.0013.210823T1600Z-210824T0100Z/ Yalobusha- Including the cities of Water Valley and Coffeeville 309 AM CDT Mon Aug 23 2021 ...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT THIS EVENING... ...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM CDT TUESDAY... * WHAT...Heat index values 103 to 108. * WHERE...Yalobusha County. * WHEN...For the Heat Advisory, from 11 AM this morning to 8 PM CDT this evening. For the Heat Advisory, from 11 AM to 8 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. && $$ PWB
714 WWUS74 KMEG 231205 AAA NPWMEG URGENT - WEATHER MESSAGE...UPDATED National Weather Service Memphis TN 705 AM CDT Mon Aug 23 2021 ARZ058-MSZ010-011-020-232100- /O.CON.KMEG.EH.W.0004.210823T1600Z-210824T0100Z/ /O.CON.KMEG.EH.W.0005.210824T1600Z-210825T0100Z/ Phillips-Coahoma-Quitman-Tallahatchie- Including the cities of Helena, West Helena, Clarksdale, Marks, and Charleston 705 AM CDT Mon Aug 23 2021 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT THIS EVENING... ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM CDT TUESDAY... * WHAT...Dangerously hot conditions with heat index values of 108 to 113 degrees. * WHERE...In Mississippi, Quitman, Tallahatchie and Coahoma Counties. In Arkansas, Phillips County. * WHEN...For the Excessive Heat Warning, from 11 AM this morning to 8 PM CDT this evening. For the Excessive Heat Warning, from 11 AM to 8 PM CDT Tuesday. * IMPACTS...Extreme heat and humidity will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. && $$ ARZ009-018-026>028-035-036-048-049-MOZ113-115-MSZ001-007-008-012- 021-TNZ001-002-019-048-049-088-232100- /O.CON.KMEG.HT.Y.0013.210823T1600Z-210824T0100Z/ /O.CON.KMEG.HT.Y.0014.210824T1600Z-210825T0100Z/ Clay-Greene-Craighead-Poinsett-Mississippi-Cross-Crittenden- St. Francis-Lee AR-Dunklin-Pemiscot-DeSoto-Tunica-Tate-Panola- Yalobusha-Lake-Obion-Dyer-Lauderdale-Tipton-Shelby- Including the cities of Piggott, Corning, Paragould, Jonesboro, Harrisburg, Blytheville, Wynne, West Memphis, Forrest City, Marianna, Kennett, Caruthersville, Southaven, Olive Branch, Tunica, Senatobia, Batesville, Water Valley, Coffeeville, Tiptonville, Union City, Dyersburg, Ripley TN, Covington, Bartlett, Germantown, Collierville, Memphis, and Millington 705 AM CDT Mon Aug 23 2021 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT THIS EVENING... ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM CDT TUESDAY... * WHAT...Heat index values 103 to 108. * WHERE...Portions of North Mississippi, West Tennessee, East Arkansas and Southeast Missouri. * WHEN...For the Heat Advisory, from 11 AM this morning to 8 PM CDT this evening. For the Heat Advisory, from 11 AM to 8 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. && $$ PWB
287 WWUS74 KMEG 232010 NPWMEG URGENT - WEATHER MESSAGE National Weather Service Memphis TN 310 PM CDT Mon Aug 23 2021 ARZ058-MSZ010-011-020-240415- /O.CON.KMEG.EH.W.0004.000000T0000Z-210824T0100Z/ /O.CON.KMEG.EH.W.0005.210824T1600Z-210825T0100Z/ Phillips-Coahoma-Quitman-Tallahatchie- Including the cities of Helena, West Helena, Clarksdale, Marks, and Charleston 310 PM CDT Mon Aug 23 2021 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM CDT TUESDAY... * WHAT...Dangerously hot conditions with heat index values of 108 to 113 degrees. * WHERE...In Mississippi, Quitman, Tallahatchie and Coahoma Counties. In Arkansas, Phillips County. * WHEN...Through 8 PM CDT this evening, and again from 11 AM to 8 PM CDT Tuesday. * IMPACTS...Extreme heat and humidity will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ ARZ009-018-026>028-035-036-048-049-MOZ113-115-MSZ001-007-008-012- 021-TNZ001-002-019-048-049-088-240415- /O.CON.KMEG.HT.Y.0013.000000T0000Z-210824T0100Z/ /O.CON.KMEG.HT.Y.0014.210824T1600Z-210825T0100Z/ Clay-Greene-Craighead-Poinsett-Mississippi-Cross-Crittenden- St. Francis-Lee AR-Dunklin-Pemiscot-DeSoto-Tunica-Tate-Panola- Yalobusha-Lake-Obion-Dyer-Lauderdale-Tipton-Shelby- Including the cities of Piggott, Corning, Paragould, Jonesboro, Harrisburg, Blytheville, Wynne, West Memphis, Forrest City, Marianna, Kennett, Caruthersville, Southaven, Olive Branch, Tunica, Senatobia, Batesville, Water Valley, Coffeeville, Tiptonville, Union City, Dyersburg, Ripley TN, Covington, Bartlett, Germantown, Collierville, Memphis, and Millington 310 PM CDT Mon Aug 23 2021 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM CDT TUESDAY... * WHAT...Heat index values 103 to 108. * WHERE...Portions of North Mississippi, West Tennessee, East Arkansas and Southeast Missouri. * WHEN...Through 8 PM CDT this evening and again from 11 AM to 8 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. && $$
951 WWUS74 KMEG 240055 NPWMEG URGENT - WEATHER MESSAGE National Weather Service Memphis TN 755 PM CDT Mon Aug 23 2021 ARZ058-MSZ010-011-020-240900- /O.CAN.KMEG.EH.W.0004.000000T0000Z-210824T0100Z/ /O.CON.KMEG.EH.W.0005.210824T1600Z-210825T0100Z/ Phillips-Coahoma-Quitman-Tallahatchie- Including the cities of Helena, West Helena, Clarksdale, Marks, and Charleston 755 PM CDT Mon Aug 23 2021 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM CDT TUESDAY... ...THE EXCESSIVE HEAT WARNING FOR TODAY WILL BE ALLOWED TO EXPIRE ON TIME AT 8 PM... * WHAT...Dangerously hot conditions with heat index values of 108 to 113 degrees. * WHERE...In Mississippi, Quitman, Tallahatchie and Coahoma Counties. In Arkansas, Phillips County. * WHEN...From 11 AM to 8 PM CDT Tuesday. * IMPACTS...Extreme heat and humidity will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. && $$ ARZ009-018-026>028-035-036-048-049-MOZ113-115-MSZ001-007-008-012- 021-TNZ001-002-019-048-049-088-240900- /O.CAN.KMEG.HT.Y.0013.000000T0000Z-210824T0100Z/ /O.CON.KMEG.HT.Y.0014.210824T1600Z-210825T0100Z/ Clay-Greene-Craighead-Poinsett-Mississippi-Cross-Crittenden- St. Francis-Lee AR-Dunklin-Pemiscot-DeSoto-Tunica-Tate-Panola- Yalobusha-Lake-Obion-Dyer-Lauderdale-Tipton-Shelby- Including the cities of Piggott, Corning, Paragould, Jonesboro, Harrisburg, Blytheville, Wynne, West Memphis, Forrest City, Marianna, Kennett, Caruthersville, Southaven, Olive Branch, Tunica, Senatobia, Batesville, Water Valley, Coffeeville, Tiptonville, Union City, Dyersburg, Ripley TN, Covington, Bartlett, Germantown, Collierville, Memphis, and Millington 755 PM CDT Mon Aug 23 2021 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM CDT TUESDAY... ...THE HEAT ADVISORY FOR TODAY WILL BE ALLOWED TO EXPIRE ON TIME AT 8 PM... * WHAT...Heat index values 103 to 108. * WHERE...Portions of North Mississippi, West Tennessee, East Arkansas and Southeast Missouri. * WHEN...From 11 AM to 8 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. && $$
The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 22, 3:08 PM CDT | Excessive Heat Warning | MEG | Phillips | 29 hr |
| Aug 21, 7:17 PM CDT | Special Weather Statement | MEG | Lafayette | 28 min |
Nearby
Heat Advisories in Arkansas, 2021Heat Advisories in Tennessee, 2021Heat Advisories in Mississippi, 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.