weather.gov     
National Weather Service

Watches, Warnings & Advisories
NWS Homepage

Excessive Heat Warning


URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
1215 PM PDT Wed Aug 21 2019


AZZ002-003-036-CAZ522-525>527-NVZ017-020>022-220600-
/O.CON.KVEF.EH.W.0005.000000T0000Z-190823T0300Z/
Lake Havasu and Fort Mohave-Northwest Deserts-
Lake Mead National Recreation Area-Death Valley National Park-
Morongo Basin-Cadiz Basin-San Bernardino County-
Upper Colorado River Valley-Western Clark and Southern Nye County-
Las Vegas Valley-Southern Clark County-
Including Lake Havasu City, Desert Hills, Topock,
Kingman, Golden Valley, Dolan Springs, Valentine, Wikieup, Yucca,
Bullhead City, Oatman, Mohave Valley, Furnace Creek,
Stovepipe Wells, Shoshone, Morongo Valley, Yucca Valley,
Twentynine Palms, Vidal Junction, Needles, Pahrump,
Indian Springs, Desert Rock, Amargosa Valley, Las Vegas,
North Las Vegas, Henderson, Boulder City, Hoover Dam, Laughlin,
Primm, Searchlight, and Cal-Nev-Ari
1215 PM PDT Wed Aug 21 2019 /1215 PM MST Wed Aug 21 2019/

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT /8 PM
MST/ THURSDAY...

* TEMPERATURE...High temperatures around Las Vegas, Pahrump and
  the Morongo Basin will range between 107 to 112 degrees
  Wednesday and Thursday. Temperatures in Death Valley National
  Park and in the Lower Colorado River Valley will range from
  113 to 120 degrees.

* IMPACTS...Heat related illnesses such as heat exhaustion and
  heat stroke will be possible. People most vulnerable to heat
  illnesses include those who spend lots of time outdoors, those
  without air conditioning, young children, the elderly, and
  those with chronic ailments.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Young children and pets should never be left unattended in
vehicles under any circumstances. This is especially true during
warm or hot weather when car interiors can reach lethal
temperatures in a matter of minutes.

An Excessive Heat Warning means that a prolonged period of
dangerously hot temperatures will occur...creating a dangerous
situation in which heat illnesses are likely if precautions are
not taken. Drink plenty of fluids...stay in an air-conditioned
room...stay out of the sun...and check up on relatives and
neighbors.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Tucson AZ
950 AM MST Wed Aug 21 2019

AZZ501-502-504>506-509-220300-
/O.CON.KTWC.EH.W.0004.000000T0000Z-190822T0300Z/
Western Pima County-Tohono O`odham Nation-Tucson Metro Area-
South Central Pinal County-Southeast Pinal County-
Upper Gila River Valley-
Including the cities of Ajo, Organ Pipe Cactus N.M., Sells,
Tucson, Marana, Vail, Picacho Peak State Park, Mammoth, Oracle,
and Safford
950 AM MST Wed Aug 21 2019

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

* IMPACTS...Increase in heat related illnesses, including heat
  cramps, heat exhaustion, and heat stroke. Heat stroke can lead
  to death.

* AFFECTED AREAS...Tucson Metro, Southeast Pinal County, Marana,
  Vail, Mammoth, Oracle, and Safford as well as the western
  deserts including Sells, Ajo and Organ Pipe National Monument.

* TEMPERATURES...108 to 113 degrees.

* For a detailed view of the hazard area...visit
  weather.gov/Tucson and click on the Detailed Hazards Icon

PRECAUTIONARY/PREPAREDNESS ACTIONS...

An Excessive Heat Warning means that a prolonged period of
extremely hot temperatures will occur. Take extra precautions if
you work or spend time outside. When possible...reschedule
strenuous activities to early morning or evening. Know the signs
and symptoms of heat exhaustion and heat stroke. Wear light
weight and loose fitting clothing when possible and drink plenty
of water.

The Occupational Safety and Health Administration recommends
these additional steps to reduce risk during outdoor work...
schedule frequent rest breaks in shaded or air conditioned
environments. Anyone overcome by heat should be moved to a cool
and shaded location. Heat Stroke is an emergency...CALL 911.

&&

$$

Visit us on Facebook...Twitter...YouTube...and at weather.gov/Tucson

URGENT - WEATHER MESSAGE
National Weather Service Flagstaff AZ
246 AM MST Wed Aug 21 2019

AZZ006-220000-
/O.CON.KFGZ.EH.W.0002.000000T0000Z-190822T0300Z/
Grand Canyon Country-
Including the cities of Grand Canyon Village, Supai,
and North Rim
246 AM MST Wed Aug 21 2019

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

* TEMPERATURE...Afternoon high temperatures from 113 to 118.
  Wednesday morning low temperatures in the upper 70s.

* IMPACTS...Increase in heat related illnesses, including heat
  cramps, heat exhaustion, and heat stroke. Heat stroke can lead
  to death.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This warning is reserved for only the hottest days of the year
and is issued when temperatures are expected to rise to dangerous
levels. Day hikers on Bright Angel trail should descend no
further than 1 1/2 miles. Between 10 am and 4 pm...physical
activity is discouraged. Hikers should attempt to be out of the
canyon...at Indian Garden or Bright Angel campground between
these hours. All hikers should have adequate gear...including a
wide-brimmed hat...sunscreen...salty snacks...sufficient water
and electrolyte mix. Doubling your calorie intake helps maintain
your energy. Hike smart.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Flagstaff AZ
246 AM MST Wed Aug 21 2019

AZZ037-038-220000-
/O.CON.KFGZ.EH.W.0002.000000T0000Z-190822T0300Z/
Yavapai County Valleys and Basins-Oak Creek and Sycamore Canyons-
Including the cities of Cottonwood, Camp Verde, Cordes Junction,
Bagdad, and Sedona
246 AM MST Wed Aug 21 2019

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

* TEMPERATURE...Afternoon high temperatures from 110 to 115 for
  portions of far southern Yavapai county, 105 to 110 in the
  Verde Valley and 100 to 105 around Sedona and Bagdad.

* IMPACTS...Increase in heat related illnesses, including heat
  cramps, heat exhaustion, and heat stroke. Heat stroke can lead
  to death.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

An Excessive Heat Warning means that a prolonged period of
dangerously hot temperatures will occur. The hot temperatures
will create a dangerous situation in which heat illnesses are
likely. Drink plenty of fluids...stay in an air-conditioned room
if possible...stay out of the sun...and check up on relatives and
neighbors.

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. Anyone overcome by heat should be moved to a cool and
shaded location. Heat stroke is an emergency...call 9 1 1

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
244 AM PDT Wed Aug 21 2019

CAZ060-212245-
/O.CON.KSGX.EH.W.0005.190821T1800Z-190822T0300Z/
Apple and Lucerne Valleys-
244 AM PDT Wed Aug 21 2019

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 11 AM THIS
MORNING TO 8 PM PDT THIS EVENING EAST OF APPLE VALLEY...

* Temperature...High temperatures of 104 to 108.

* Impacts...Overexposure to the heat can cause heat cramps and
  heat exhaustion to develop. Without intervention, that can
  lead to heat stroke. Do not leave young children or pets in
  parked vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Young children and pets should never be left unattended in
vehicles under any circumstances. This is especially true during
warm or hot weather when car interiors can reach lethal
temperatures in a matter of minutes.

&&

$$

17

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
244 AM PDT Wed Aug 21 2019

CAZ061-062-065-212245-
/O.CON.KSGX.EH.W.0005.190821T1800Z-190822T0300Z/
Coachella Valley-San Diego County Deserts-
San Gorgonio Pass Near Banning-
Including the cities of Indio, Palm Springs, Cathedral City,
Palm Desert, Palm Desert Country, La Quinta, Coachella,
Borrego Springs, and Desert Hot Springs
244 AM PDT Wed Aug 21 2019

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 11 AM THIS
MORNING TO 8 PM PDT THIS EVENING...

* Temperature...High temperatures of 114 to 119.

* Impacts...Overexposure to the heat can cause heat cramps and
  heat exhaustion to develop. Without intervention, that can
  lead to heat stroke. Do not leave young children or pets in
  parked vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Young children and pets should never be left unattended in
vehicles under any circumstances. This is especially true during
warm or hot weather when car interiors can reach lethal
temperatures in a matter of minutes.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
226 AM MST Wed Aug 21 2019

AZZ552>555-559-212230-
/O.CON.KPSR.EH.W.0008.000000T0000Z-190822T0300Z/
Superior-Northwest Pinal County-West Pinal County-
Apache Junction/Gold Canyon-Sonoran Desert Natl Monument-
Including the cities of Superior, Casa Grande, Florence,
Coolidge, Apache Junction, and Kaka
226 AM MST Wed Aug 21 2019

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

* WHERE...Northwest Pinal County, Superior, Apache Junction/Gold
  Canyon, West Pinal County and Sonoran Desert National Monument.

* IMPACTS...Overexposure can cause heat cramps and heat
  exhaustion to develop and, without intervention, can lead to
  heat stroke.

* THREAT...High HeatRisk. Overnight lows in the mid 80s.
  Afternoon temperatures 107 to 117.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

An Excessive Heat Warning means that a period of very hot
temperatures, even by local standards, will occur. Actions should
be taken to lessen the impact of the extreme heat.

Stay indoors and seek air-conditioned buildings. Drink water,
more than usual, and avoid dehydrating alcoholic, sugary, or
caffeinated drinks. Dress for the heat - lightweight and light-
colored clothing. Eat small meals and eat more often. Monitor
those with a higher vulnerability to heat, including small
children. Check in on family, friends, and neighbors, especially
the elderly. If engaging in outdoor activity, take longer and
more frequent breaks and avoid the hottest parts of the day.
Never leave kids or pets unattended in cars.

Public cooling shelters are available in some areas. Consult
county officials for more details.

Recognize the signs and symptoms of heat-related illness. Early
signs include thirst and muscle cramps. Heat exhaustion may
include: cool, moist, pale skin; headache; dizziness; weakness or
exhaustion; nausea. The most serious illness is heat stroke,
which may include: vomiting; confusion; throbbing headache;
decreased alertness or loss of consciousness; high body
temperature (above 105F); hot, dry skin; rapid, weak pulse;
rapid, shallow breathing; seizures.

Heat stroke can be DEADLY. Treat as an emergency and call 9 1 1.

Continue to monitor NWS forecasts, broadcast outlets, and local
government for updates.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
226 AM MST Wed Aug 21 2019

CAZ560-212230-
/O.CON.KPSR.EH.W.0008.190821T1800Z-190822T0300Z/
Joshua Tree NP West-
Including the cities of Cottonwood Visitor and Lost Horse-Keys
Village
226 AM PDT Wed Aug 21 2019

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 11 AM THIS
MORNING TO 8 PM PDT THIS EVENING...

* WHERE...Western portion of Joshua Tree National Park.

* IMPACTS...Overexposure can cause heat cramps and heat
  exhaustion to develop and, without intervention, can lead to
  heat stroke.

* THREAT...High HeatRisk. Afternoon temperatures 92 to 107.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

An Excessive Heat Warning means that a period of very hot
temperatures, even by local standards, will occur. Actions should
be taken to lessen the impact of the extreme heat.

Stay indoors and seek air-conditioned buildings. Drink water,
more than usual, and avoid dehydrating alcoholic, sugary, or
caffeinated drinks. Dress for the heat - lightweight and light-
colored clothing. Eat small meals and eat more often. Monitor
those with a higher vulnerability to heat, including small
children. Check in on family, friends, and neighbors, especially
the elderly. If engaging in outdoor activity, take longer and
more frequent breaks and avoid the hottest parts of the day.
Never leave kids or pets unattended in cars.

Public cooling shelters are available in some areas. Consult
county officials for more details.

Recognize the signs and symptoms of heat-related illness. Early
signs include thirst and muscle cramps. Heat exhaustion may
include: cool, moist, pale skin; headache; dizziness; weakness or
exhaustion; nausea. The most serious illness is heat stroke,
which may include: vomiting; confusion; throbbing headache;
decreased alertness or loss of consciousness; high body
temperature (above 105F); hot, dry skin; rapid, weak pulse;
rapid, shallow breathing; seizures.

Heat stroke can be DEADLY. Treat as an emergency and call 9 1 1.

Continue to monitor NWS forecasts, broadcast outlets, and local
government for updates.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
226 AM MST Wed Aug 21 2019

AZZ545-556-560>562-212230-
/O.CON.KPSR.EH.W.0008.000000T0000Z-190822T0300Z/
New River Mesa-Tonto Basin-San Carlos-Dripping Springs-
Globe/Miami-
Including the cities of Punkin Center, San Carlos, Hayden,
Winkelman, Globe, and Miami
226 AM MST Wed Aug 21 2019

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

* WHERE...New River Mesa, Globe/Miami, San Carlos, Dripping
  Springs and Tonto Basin.

* IMPACTS...Overexposure can cause heat cramps and heat
  exhaustion to develop and, without intervention, can lead to
  heat stroke.

* THREAT...High HeatRisk. Overnight lows around 80. Afternoon
  temperatures 102 to 113.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

An Excessive Heat Warning means that a period of very hot
temperatures, even by local standards, will occur. Actions should
be taken to lessen the impact of the extreme heat.

Stay indoors and seek air-conditioned buildings. Drink water,
more than usual, and avoid dehydrating alcoholic, sugary, or
caffeinated drinks. Dress for the heat - lightweight and light-
colored clothing. Eat small meals and eat more often. Monitor
those with a higher vulnerability to heat, including small
children. Check in on family, friends, and neighbors, especially
the elderly. If engaging in outdoor activity, take longer and
more frequent breaks and avoid the hottest parts of the day.
Never leave kids or pets unattended in cars.

Public cooling shelters are available in some areas. Consult
county officials for more details.

Recognize the signs and symptoms of heat-related illness. Early
signs include thirst and muscle cramps. Heat exhaustion may
include: cool, moist, pale skin; headache; dizziness; weakness or
exhaustion; nausea. The most serious illness is heat stroke,
which may include: vomiting; confusion; throbbing headache;
decreased alertness or loss of consciousness; high body
temperature (above 105F); hot, dry skin; rapid, weak pulse;
rapid, shallow breathing; seizures.

Heat stroke can be DEADLY. Treat as an emergency and call 9 1 1.

Continue to monitor NWS forecasts, broadcast outlets, and local
government for updates.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
226 AM MST Wed Aug 21 2019

AZZ530-CAZ561-568>570-212230-
/O.CON.KPSR.EH.W.0008.000000T0000Z-190822T0300Z/
Parker Valley-Joshua Tree NP East-Chiriaco Summit-
Palo Verde Valley-Chuckwalla Valley-
Including the cities of Parker, Ehrenberg, Chiriaco Summit,
Martinez Lake, Blythe, Palo Verde, Ripley, and Midland
226 AM MST Wed Aug 21 2019 /226 AM PDT Wed Aug 21 2019/

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM MST /8 PM
PDT/ THIS EVENING...

* WHERE...In Arizona, Parker Valley. In California, Palo Verde
  Valley, Chiriaco Summit, Eastern portion of Joshua Tree
  National Park and Chuckwalla Valley.

* IMPACTS...Overexposure can cause heat cramps and heat
  exhaustion to develop and, without intervention, can lead to
  heat stroke.

* THREAT...High HeatRisk. Overnight lows in the lower 80s.
  Afternoon temperatures 104 to 118.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

An Excessive Heat Warning means that a period of very hot
temperatures, even by local standards, will occur. Actions should
be taken to lessen the impact of the extreme heat.

Stay indoors and seek air-conditioned buildings. Drink water,
more than usual, and avoid dehydrating alcoholic, sugary, or
caffeinated drinks. Dress for the heat - lightweight and light-
colored clothing. Eat small meals and eat more often. Monitor
those with a higher vulnerability to heat, including small
children. Check in on family, friends, and neighbors, especially
the elderly. If engaging in outdoor activity, take longer and
more frequent breaks and avoid the hottest parts of the day.
Never leave kids or pets unattended in cars.

Public cooling shelters are available in some areas. Consult
county officials for more details.

Recognize the signs and symptoms of heat-related illness. Early
signs include thirst and muscle cramps. Heat exhaustion may
include: cool, moist, pale skin; headache; dizziness; weakness or
exhaustion; nausea. The most serious illness is heat stroke,
which may include: vomiting; confusion; throbbing headache;
decreased alertness or loss of consciousness; high body
temperature (above 105F); hot, dry skin; rapid, weak pulse;
rapid, shallow breathing; seizures.

Heat stroke can be DEADLY. Treat as an emergency and call 9 1 1.

Continue to monitor NWS forecasts, broadcast outlets, and local
government for updates.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
226 AM MST Wed Aug 21 2019

CAZ562>567-212230-
/O.CON.KPSR.EH.W.0008.000000T0000Z-190822T0300Z/
Imperial County Southwest-Salton Sea-Chuckwalla Mountains-
Imperial County Southeast-Imperial County West-Imperial Valley-
Including the cities of Desert Shores,
Imperial Hot Mineral Springs, Winterhaven, Coolidge Springs,
Salton City, Winona, Coyote Wells, Ocotillo, Plaster City,
El Centro, Calexico, Alamorio, and Brawley
226 AM PDT Wed Aug 21 2019

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

* WHERE...Portions of southeast California.

* IMPACTS...Overexposure can cause heat cramps and heat
  exhaustion to develop and, without intervention, can lead to
  heat stroke.

* THREAT...High HeatRisk. Overnight lows in the lower 80s.
  Afternoon temperatures 104 to 120.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

An Excessive Heat Warning means that a period of very hot
temperatures, even by local standards, will occur. Actions should
be taken to lessen the impact of the extreme heat.

Stay indoors and seek air-conditioned buildings. Drink water,
more than usual, and avoid dehydrating alcoholic, sugary, or
caffeinated drinks. Dress for the heat - lightweight and light-
colored clothing. Eat small meals and eat more often. Monitor
those with a higher vulnerability to heat, including small
children. Check in on family, friends, and neighbors, especially
the elderly. If engaging in outdoor activity, take longer and
more frequent breaks and avoid the hottest parts of the day.
Never leave kids or pets unattended in cars.

Public cooling shelters are available in some areas. Consult
county officials for more details.

Recognize the signs and symptoms of heat-related illness. Early
signs include thirst and muscle cramps. Heat exhaustion may
include: cool, moist, pale skin; headache; dizziness; weakness or
exhaustion; nausea. The most serious illness is heat stroke,
which may include: vomiting; confusion; throbbing headache;
decreased alertness or loss of consciousness; high body
temperature (above 105F); hot, dry skin; rapid, weak pulse;
rapid, shallow breathing; seizures.

Heat stroke can be DEADLY. Treat as an emergency and call 9 1 1.

Continue to monitor NWS forecasts, broadcast outlets, and local
government for updates.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
226 AM MST Wed Aug 21 2019

AZZ537-540>544-546-548>551-212230-
/O.CON.KPSR.EH.W.0008.000000T0000Z-190822T0300Z/
Northwest Valley-Buckeye/Avondale-Cave Creek/New River-
Deer Valley-Central Phoenix-North Phoenix/Glendale-
Scottsdale/Paradise Valley-East Valley-Fountain Hills/East Mesa-
South Mountain/Ahwatukee-Southeast Valley/Queen Creek-
Including the cities of Circle City, Surprise, Wittmann,
Beardsley, Sun City West, Avondale, Cashion, Goodyear, Liberty,
Scottsdale, Peoria, Phoenix, Paradise Valley, Mesa, Chandler,
Tempe, Gilbert, Fountain Hills, Sun Lakes, and Queen Creek
226 AM MST Wed Aug 21 2019

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

* WHERE...Portions of south central Arizona.

* IMPACTS...Overexposure can cause heat cramps and heat
  exhaustion to develop and, without intervention, can lead to
  heat stroke.

* THREAT...High HeatRisk. Overnight lows in the mid 80s.
  Afternoon temperatures 109 to 116.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

An Excessive Heat Warning means that a period of very hot
temperatures, even by local standards, will occur. Actions should
be taken to lessen the impact of the extreme heat.

Stay indoors and seek air-conditioned buildings. Drink water,
more than usual, and avoid dehydrating alcoholic, sugary, or
caffeinated drinks. Dress for the heat - lightweight and light-
colored clothing. Eat small meals and eat more often. Monitor
those with a higher vulnerability to heat, including small
children. Check in on family, friends, and neighbors, especially
the elderly. If engaging in outdoor activity, take longer and
more frequent breaks and avoid the hottest parts of the day.
Never leave kids or pets unattended in cars.

Public cooling shelters are available in some areas. Consult
county officials for more details.

Recognize the signs and symptoms of heat-related illness. Early
signs include thirst and muscle cramps. Heat exhaustion may
include: cool, moist, pale skin; headache; dizziness; weakness or
exhaustion; nausea. The most serious illness is heat stroke,
which may include: vomiting; confusion; throbbing headache;
decreased alertness or loss of consciousness; high body
temperature (above 105F); hot, dry skin; rapid, weak pulse;
rapid, shallow breathing; seizures.

Heat stroke can be DEADLY. Treat as an emergency and call 9 1 1.

Continue to monitor NWS forecasts, broadcast outlets, and local
government for updates.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
226 AM MST Wed Aug 21 2019

AZZ534-538-539-212230-
/O.CON.KPSR.EH.W.0008.000000T0000Z-190822T0300Z/
Aguila Valley-Tonopah Desert-Gila Bend-
Including the cities of Aguila, Gladden, Wickenburg, Arlington,
Hassayampa, Tonopah, Wintersburg, Gila Bend, and Sentinel
226 AM MST Wed Aug 21 2019

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

* WHERE...Aguila Valley, Gila Bend and Tonopah Desert.

* IMPACTS...Overexposure can cause heat cramps and heat
  exhaustion to develop and, without intervention, can lead to
  heat stroke.

* THREAT...High HeatRisk. Overnight lows in the lower 80s.
  Afternoon temperatures 109 to 116.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

An Excessive Heat Warning means that a period of very hot
temperatures, even by local standards, will occur. Actions should
be taken to lessen the impact of the extreme heat.

Stay indoors and seek air-conditioned buildings. Drink water,
more than usual, and avoid dehydrating alcoholic, sugary, or
caffeinated drinks. Dress for the heat - lightweight and light-
colored clothing. Eat small meals and eat more often. Monitor
those with a higher vulnerability to heat, including small
children. Check in on family, friends, and neighbors, especially
the elderly. If engaging in outdoor activity, take longer and
more frequent breaks and avoid the hottest parts of the day.
Never leave kids or pets unattended in cars.

Public cooling shelters are available in some areas. Consult
county officials for more details.

Recognize the signs and symptoms of heat-related illness. Early
signs include thirst and muscle cramps. Heat exhaustion may
include: cool, moist, pale skin; headache; dizziness; weakness or
exhaustion; nausea. The most serious illness is heat stroke,
which may include: vomiting; confusion; throbbing headache;
decreased alertness or loss of consciousness; high body
temperature (above 105F); hot, dry skin; rapid, weak pulse;
rapid, shallow breathing; seizures.

Heat stroke can be DEADLY. Treat as an emergency and call 9 1 1.

Continue to monitor NWS forecasts, broadcast outlets, and local
government for updates.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
226 AM MST Wed Aug 21 2019

AZZ531>533-535-536-212230-
/O.CON.KPSR.EH.W.0008.000000T0000Z-190822T0300Z/
Kofa-Yuma-Central La Paz-Southeast Yuma County-Gila River Valley-
Including the cities of Palm Canyon, Yuma, Fortuna Foothills,
Brenda, Harcuvar, Quartzsite, Vicksburg, Vicksburg Junction,
Salome, and Ligurta
226 AM MST Wed Aug 21 2019

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

* WHERE...Southeast Yuma County, Gila River Valley, Kofa,
  Central La Paz County and Yuma.

* IMPACTS...Overexposure can cause heat cramps and heat
  exhaustion to develop and, without intervention, can lead to
  heat stroke.

* THREAT...High HeatRisk. Overnight lows in the lower 80s.
  Afternoon temperatures 108 to 118.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

An Excessive Heat Warning means that a period of very hot
temperatures, even by local standards, will occur. Actions should
be taken to lessen the impact of the extreme heat.

Stay indoors and seek air-conditioned buildings. Drink water,
more than usual, and avoid dehydrating alcoholic, sugary, or
caffeinated drinks. Dress for the heat - lightweight and light-
colored clothing. Eat small meals and eat more often. Monitor
those with a higher vulnerability to heat, including small
children. Check in on family, friends, and neighbors, especially
the elderly. If engaging in outdoor activity, take longer and
more frequent breaks and avoid the hottest parts of the day.
Never leave kids or pets unattended in cars.

Public cooling shelters are available in some areas. Consult
county officials for more details.

Recognize the signs and symptoms of heat-related illness. Early
signs include thirst and muscle cramps. Heat exhaustion may
include: cool, moist, pale skin; headache; dizziness; weakness or
exhaustion; nausea. The most serious illness is heat stroke,
which may include: vomiting; confusion; throbbing headache;
decreased alertness or loss of consciousness; high body
temperature (above 105F); hot, dry skin; rapid, weak pulse;
rapid, shallow breathing; seizures.

Heat stroke can be DEADLY. Treat as an emergency and call 9 1 1.

Continue to monitor NWS forecasts, broadcast outlets, and local
government for updates.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Tulsa OK
309 AM CDT Wed Aug 21 2019

...One more day of dangerous heat...

ARZ019-020-029-212130-
/O.UPG.KTSA.HT.Y.0023.190821T1700Z-190822T0200Z/
/O.NEW.KTSA.EH.W.0009.190821T1700Z-190822T0200Z/
Crawford-Franklin-Sebastian-
Including the cities of Van Buren, Ozark, Charleston,
and Fort Smith
309 AM CDT Wed Aug 21 2019

...EXCESSIVE HEAT WARNING IN EFFECT FROM NOON TODAY TO 9 PM CDT
THIS EVENING...

The National Weather Service in Tulsa has issued an Excessive
Heat Warning, which is in effect from noon today to 9 PM CDT this
evening. The Heat Advisory is no longer in effect.

* HEAT INDEX...Maximum heat indices between 110 and 115 degrees
  are expected this afternoon.

* TEMPERATURE...Upper 90s.

* IMPACTS...The combination of hot temperatures and high
  humidity will create a dangerous situation in which heat
  illnesses are possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Never leave anyone, including pets, in a closed, parked vehicle.
Temperatures inside can reach over 150 degrees quickly, resulting
in heat stroke and death.

Take extra precautions if you work or spend time outside. When
possible, reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear light weight and loose fitting clothing when
possible and drink plenty of water. To reduce risk during outdoor
work the occupational safety and health administration recommends
scheduling frequent rest breaks in shaded or air conditioned
environments. Anyone overcome by heat should be moved to a cool
and shaded location. Heat stroke is an emergency, call 911.

&&

$$

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE