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Excessive Heat Warning


URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
200 AM PDT Wed Jul 24 2024

CAZ060-242230-
/O.CON.KSGX.EH.W.0006.000000T0000Z-240726T0500Z/
Apple and Lucerne Valleys-
Including the cities of Adelanto, Hesperia, Southern California
Logistics Airport, Apple Valley, and Victorville
200 AM PDT Wed Jul 24 2024

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 10 PM PDT
THURSDAY...

* WHAT...Dangerously hot conditions with high temperatures in the
  upper 90s to 109 expected.

* WHERE...Apple and Lucerne Valleys.

* WHEN...Until 10 PM PDT Thursday.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat events.

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.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
200 AM PDT Wed Jul 24 2024

CAZ061-062-242230-
/O.EXT.KSGX.EH.W.0006.000000T0000Z-240727T0300Z/
Coachella Valley-San Diego County Deserts-
Including the cities of Coachella, Palm Desert Country, Borrego
Springs, La Quinta, Indio, Palm Springs, Palm Desert, and
Cathedral City
200 AM PDT Wed Jul 24 2024

...EXCESSIVE HEAT WARNING NOW IN EFFECT UNTIL 8 PM PDT FRIDAY...

* WHAT...Dangerously hot conditions with high temperatures of 110 to
  116 expected.

* WHERE...Coachella Valley and San Diego County Deserts.

* WHEN...Until 8 PM PDT Friday.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat events.

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.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
200 AM PDT Wed Jul 24 2024

CAZ065-242230-
/O.EXT.KSGX.EH.W.0006.000000T0000Z-240727T0300Z/
San Gorgonio Pass Near Banning-
Including the cities of Desert Hot Springs and Banning
200 AM PDT Wed Jul 24 2024

...EXCESSIVE HEAT WARNING NOW IN EFFECT UNTIL 8 PM PDT FRIDAY...

* WHAT...Dangerously hot conditions with temperatures up to 113
  expected.

* WHERE...San Gorgonio Pass Near Banning.

* WHEN...Until 8 PM PDT Friday.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat events.

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.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
131 AM MST Wed Jul 24 2024

AZZ530-532-CAZ560>570-242115-
/O.CON.KPSR.EH.W.0006.000000T0000Z-240727T0300Z/
Parker Valley-Yuma-Joshua Tree NP West-Joshua Tree NP East-
Imperial County Southwest-Salton Sea-Chuckwalla Mountains-
Imperial County Southeast-Imperial County West-Imperial Valley-
Chiriaco Summit-Palo Verde Valley-Chuckwalla Valley-
Including the cities of Winterhaven, Winona, Cottonwood Visitor,
Ocotillo, Brawley, Martinez Lake, El Centro, Plaster City, Palo
Verde, Ripley, Blythe, Salton City, Calexico, Yuma, Ehrenberg,
Chiriaco Summit, Imperial Hot Mineral Springs, Mountain Spring,
Coolidge Springs, Coyote Wells, Midland, Parker, Fortuna
Foothills, Lost Horse-Keys Village, Desert Shores, and Alamorio
131 AM MST Wed Jul 24 2024 /131 AM PDT Wed Jul 24 2024/

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

* WHAT...Dangerously hot conditions. Afternoon temperatures 107 to
  117 with heat indices up to 124 degrees. Overexposure can cause
  heat cramps and heat exhaustion to develop and, without
  intervention, can lead to heat stroke.

* WHERE...Portions of southwest Arizona and southeast and southern
  California.

* WHEN...Until 8 PM MST /8 PM PDT/ Friday.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat events.

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.

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
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 9 1 1.

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

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
123 AM PDT Wed Jul 24 2024

AZZ002-003-036-CAZ525>527-NVZ021-250000-
/O.CON.KVEF.EH.W.0004.000000T0000Z-240725T0600Z/
Lake Havasu and Fort Mohave-Northwest Deserts-Lake Mead National
Recreation Area-Morongo Basin-Cadiz Basin-San Bernardino County-
Upper Colorado River Valley-Lake Mead National Recreation Area-
Including the cities of Yucca, Mohave Valley, Dolan Springs,
Valentine, Wikieup, Morongo Valley, Needles, Kingman, Desert
Hills, Golden Valley, Vidal Junction, Twentynine Palms, Oatman,
Lake Havasu City, Bullhead City, Topock, Hoover Dam, Yucca
Valley, and Laughlin
123 AM PDT Wed Jul 24 2024 /123 AM MST Wed Jul 24 2024/

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 11 PM PDT / MST
THIS EVENING...

* WHAT...Dangerously hot and muggy conditions expected. Temperatures
  in the Colorado River Valley and around Lake Mead, Lake Mohave,
  and Lake Havasu will range from 112 to 118. Central and southern
  Mohave County including the Kingman area will range from 106 to
  112. Cadiz and Morongo Basins will range from 110 to 117.

* WHERE...Lake Mead National Recreation Area, Lake Havasu and Fort
  Mohave, Northwest Deserts, Morongo Basin, Cadiz Basin, and San
  Bernardino County-Upper Colorado River Valley.

* WHEN...Until 11 PM PDT / MST this evening.

* IMPACTS...Heat-related illnesses increase significantly during
  extreme heat events.

* ADDITIONAL DETAILS...Hot temperatures overnight will mean little
  relief from the daytime heat, especially in lower elevations of
  the Colorado River Valley, where low temperatures may not fall
  below 90 degrees. Afternoon high temperatures will feel more
  oppressive than experienced a few weeks ago due to the increase in
  humidity.

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.

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

Take extra precautions when outside. Wear lightweight and
loose-fitting clothing. Try to limit strenuous activities to early
morning or evening. Take action when you see symptoms of heat
exhaustion and heat stroke.

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.

Monitor the latest forecasts and warnings for updates.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
123 AM PDT Wed Jul 24 2024

CAZ522-523-NVZ017-250000-
/O.CON.KVEF.EH.W.0004.000000T0000Z-240725T0600Z/
Death Valley National Park-Western Mojave Desert-Western Clark
and Southern Nye County-
Including the cities of Amargosa Valley, Stovepipe Wells,
Pahrump, Furnace Creek, Desert Rock, Fort Irwin, Indian Springs,
Daggett, Barstow, and Shoshone
123 AM PDT Wed Jul 24 2024

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 11 PM PDT THIS
EVENING...

* WHAT...Dangerously hot and muggy conditions. Temperatures in the
  Western Mojave Desert, and Pahrump will range from 110 to 115.
  Death Valley National Park can expect temperatures 120 to 125.

* WHERE...In California, Death Valley National Park and Western
  Mojave Desert. In Nevada, Western Clark and Southern Nye County.

* WHEN...Until 11 PM PDT this evening.

* IMPACTS...Heat-related illnesses increase significantly during
  extreme heat events.

* ADDITIONAL DETAILS...Hot temperatures overnight will mean little
  relief from the daytime heat, especially in Death Valley where low
  temperatures may not fall below 100 degrees. Afternoon high
  temperatures will feel more oppressive than experienced a few
  weeks ago due to the increase in humidity.


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.

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

Take extra precautions when outside. Wear lightweight and
loose-fitting clothing. Try to limit strenuous activities to early
morning or evening. Take action when you see symptoms of heat
exhaustion and heat stroke.

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.

Monitor the latest forecasts and warnings for updates.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
123 AM PDT Wed Jul 24 2024

CAZ524-NVZ016-020-022-250000-
/O.CON.KVEF.EH.W.0004.000000T0000Z-240725T0600Z/
Eastern Mojave Desert-Northeast Clark County-Las Vegas Valley-
Southern Clark County-
Including the cities of Primm, Mesquite, Overton, Boulder City,
Henderson, Baker, North Las Vegas, Mitchell Caverns, Las Vegas,
Cal-Nev-Ari, Searchlight, Mountain Pass, and Moapa
123 AM PDT Wed Jul 24 2024

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 11 PM PDT THIS
EVENING...

* WHAT...Dangerously hot and muggy conditions. Temperatures in the
  Las Vegas Valley, Mesquite and Moapa Valley 110 to 115. Eastern
  Mojave Desert, including Baker 112 to 117.

* WHERE...In California, Eastern Mojave Desert. In Nevada, Las Vegas
  Valley, Northeast Clark County, and Southern Clark County.

* WHEN...Until 11 PM PDT this evening.

* IMPACTS...Heat-related illnesses increase significantly during
  extreme heat events.

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.

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

Take extra precautions when outside. Wear lightweight and
loose-fitting clothing. Try to limit strenuous activities to early
morning or evening. Take action when you see symptoms of heat
exhaustion and heat stroke.

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.

Monitor the latest forecasts and warnings for updates.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/lasvegas

JCS


Heat Advisory


URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
200 AM PDT Wed Jul 24 2024

CAZ048-242230-
/O.CON.KSGX.HT.Y.0006.000000T0000Z-240726T0500Z/
San Bernardino and Riverside County Valleys-The Inland Empire-
Including the cities of Rancho Cucamonga, Fontana, Riverside,
Corona, Ontario, San Bernardino, and Moreno Valley
200 AM PDT Wed Jul 24 2024

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT THURSDAY...

* WHAT...High temperatures in the 90s to 106 expected.

* WHERE...San Bernardino and Riverside County Valleys-The Inland
  Empire.

* WHEN...Until 10 PM PDT Thursday.

* IMPACTS...Hot temperatures may cause heat illnesses.

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.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
200 AM PDT Wed Jul 24 2024

CAZ050-242230-
/O.CON.KSGX.HT.Y.0006.000000T0000Z-240726T0500Z/
San Diego County Valleys-
Including the cities of Poway, Santee, El Cajon, Escondido, San
Marcos, and La Mesa
200 AM PDT Wed Jul 24 2024

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT THURSDAY...

* WHAT...High temperatures for the inland valleys in the mid 90s to
  102 expected.

* WHERE...San Diego County Valleys.

* WHEN...Until 10 PM PDT Thursday.

* IMPACTS...Hot temperatures may cause heat illnesses.

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.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
200 AM PDT Wed Jul 24 2024

CAZ055-056-242230-
/O.CON.KSGX.HT.Y.0006.000000T0000Z-240726T0500Z/
San Bernardino County Mountains-Riverside County Mountains-
Including the cities of Wrightwood, Big Bear Lake, Crestline, Big
Bear City, Lake Arrowhead, Idyllwild-Pine Cove, and Running
Springs
200 AM PDT Wed Jul 24 2024

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT THURSDAY...

* WHAT...High temperatures in the 90s to 102 below 5000 feet
  expected.

* WHERE...Riverside County Mountains and San Bernardino County
  Mountains.

* WHEN...Until 10 PM PDT Thursday.

* IMPACTS...Hot temperatures may cause heat illnesses.

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.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
200 AM PDT Wed Jul 24 2024

CAZ058-242230-
/O.CON.KSGX.HT.Y.0006.000000T0000Z-240726T0500Z/
San Diego County Mountains-
Including the cities of Pine Valley and Julian
200 AM PDT Wed Jul 24 2024

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT THURSDAY...

* WHAT...High temperatures in the 90s to 102 expected.

* WHERE...San Diego County Mountains.

* WHEN...Until 10 PM PDT Thursday.

* IMPACTS...Hot temperatures may cause heat illnesses.

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.

&&

$$

17


Blowing Dust Advisory


BLOWING DUST ADVISORY
NWS TUCSON AZ
228 AM MST WED JUL 24 2024

AZZ502-504-505-250600-
/O.NEW.KTWC.DU.Y.0005.240724T2300Z-240725T0600Z/
400 PM MST WED JUL 24 2024
Tohono O'odham Nation including Sells-Tucson Metro Area
including Tucson/Green Valley/Marana/Vail-South Central Pinal County
including Eloy/Picacho Peak State Park-

...BLOWING DUST ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 11 PM
MST THIS EVENING...

* WHAT...Visibility between one-quarter and one mile in blowing dust
expected.

* WHERE...South Central Pinal County, Tohono O'odham Nation, and
Tucson Metro Area.

* WHEN...From 4 PM this afternoon to 11 PM MST this evening.

* IMPACTS...Hazardous driving conditions due to reduced visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Persons with respiratory problems should make preparations to stay
indoors until the storm passes. Be ready for a sudden drop in
visibility to near zero. If you encounter blowing dust or blowing
sand on the roadway or see it approaching, pull off the road as far
as possible and put your vehicle in park. Turn the lights all the
way off and keep foot off the brake pedal. Remember, 'Pull
Aside,
Stay Alive'.

$$

BLOWING DUST ADVISORY
NWS PHOENIX AZ
131 AM MST WED JUL 24 2024

AZZ550-551-553-554-250400-
/O.NEW.KPSR.DU.Y.0004.240724T2300Z-240725T0400Z/
400 PM MST WED JUL 24 2024
South Mountain/Ahwatukee-Southeast Valley/Queen Creek-Northwest Pinal
County-West Pinal County-

...BLOWING DUST ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 9 PM
MST THIS EVENING...

* WHAT...Visibility between one-quarter and one mile in blowing dust
expected.

* WHERE...Northwest Pinal County, South Mountain/Ahwatukee,
Southeast Valley/Queen Creek, and West Pinal County.

* WHEN...From 4 PM this afternoon to 9 PM MST this evening.

* IMPACTS...Hazardous driving conditions due to reduced visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Persons with respiratory problems should make preparations to stay
indoors until the storm passes. Be ready for a sudden drop in
visibility to near zero. If you encounter blowing dust or blowing
sand on the roadway or see it approaching, pull off the road as far
as possible and put your vehicle in park. Turn the lights all the
way off and keep foot off the brake pedal. Remember, 'Pull
Aside,
Stay Alive'.

$$


Air Quality Alert


AZC013-250400-

Air Quality Alert
Relayed by National Weather Service Phoenix AZ
831 AM MST Tue Jul 23 2024


...OZONE HIGH POLLUTION ADVISORY FOR MARICOPA COUNTY INCLUDING THE
PHOENIX METRO AREA THROUGH WEDNESDAY...

The Arizona Department of Environmental Quality (ADEQ) has extended
the Ozone High Pollution Advisory for the Phoenix Metro Area through
Wednesday.

This means that forecast weather conditions combined with existing
ozone levels are expected to result in local maximum 8-hour ozone
concentrations that pose a health risk. Adverse health effects
increase as air quality deteriorates.

Ozone is an air contaminant which can cause breathing difficulties
for children, older adults, as well as persons with respiratory
problems. A decrease in physical activity is recommended.

You are urged to car pool, telecommute or use mass transit.
The use of gasoline-powered equipment should be reduced or done late
in the day.

For details on this High Pollution Advisory, visit the ADEQ internet
site at www.azdeq.gov/forecast/phoenix or call 602-771-2300.

$$


Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service Grand Junction CO
311 AM MDT Wed Jul 24 2024

COZ001>014-017>023-UTZ022>025-027>029-250915-
Lower Yampa River Basin-Central Yampa River Basin-
Roan and Tavaputs Plateaus-Elkhead and Park Mountains-
Upper Yampa River Basin-Grand Valley-Debeque to Silt Corridor-
Central Colorado River Basin-Grand and Battlement Mesas-
Gore and Elk Mountains/Central Mountain Valleys-
Central Gunnison and Uncompahgre River Basin-
West Elk and Sawatch Mountains-Flat Tops-Upper Gunnison River Valley-
Uncompahgre Plateau and Dallas Divide-Northwest San Juan Mountains-
Southwest San Juan Mountains-Paradox Valley/Lower Dolores River-
Four Corners/Upper Dolores River-Animas River Basin-
San Juan River Basin-Southeast Utah-Eastern Uinta Mountains-
Eastern Uinta Basin-Tavaputs Plateau-Arches/Grand Flat-
La Sal and Abajo Mountains-Canyonlands/Natural Bridges-
311 AM MDT Wed Jul 24 2024

This Hazardous Weather Outlook is for northwest Colorado, southwest
Colorado, west central Colorado, east central Utah, northeast Utah
and southeast Utah.

.DAY ONE...Today and tonight.

Isolated to widely scattered showers and thunderstorms will once
again be possible along the southern Divide mountains. Otherwise,
quiet, if hazy, conditions will persist.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

A push of monsoonal moisture will bring a return of widespread
showers and thunderstorms beginning tomorrow afternoon and lingering
through Saturday. Gusty winds, lightning, small hail, and heavy rain
will all be possible with storms during this period. Drier conditions
look to return for early next week.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

$$

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