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Excessive Heat Warning


URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
1035 AM PDT Tue Jul 23 2024

CAZ060-240545-
/O.CON.KSGX.EH.W.0006.000000T0000Z-240726T0500Z/
Apple and Lucerne Valleys-
Including the cities of Hesperia, Victorville, Adelanto, Apple
Valley, and Southern California Logistics Airport
1035 AM PDT Tue Jul 23 2024

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

* WHAT...Dangerously hot conditions with high temperatures of 100 to
  106F. Low temperatures in the mid 70s to lower 80s.

* 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 Los Angeles/Oxnard CA
936 AM PDT Tue Jul 23 2024

CAZ038-344-345-353-376>383-260500-
/O.CON.KLOX.EH.W.0004.000000T0000Z-240726T0500Z/
Cuyama Valley-San Luis Obispo County Interior Valleys-San Luis
Obispo County Mountains-Santa Barbara County Interior Mountains-
Southern Ventura County Mountains-Northern Ventura County
Mountains-Interstate 5 Corridor-Western San Gabriel Mountains and
Highway 14 Corridor-Eastern San Gabriel Mountains-Western
Antelope Valley Foothills-Eastern Antelope Valley Foothills-
Antelope Valley-
Including the cities of Figueroa Mountain, Mount Pinos, Big Pine
Mountain, Caliente Range, Lancaster, Santa Margarita Lake, Rose
Valley, Tejon Pass, Warm Springs, Shandon, Mount Baldy, Creston,
Llano, Gorman, Mount Wilson, Valyermo, La Panza Range, Lockwood
Valley, New Cuyama, Palmdale, Ozena, Carrizo Plain, Pearblossom,
Lake Palmdale, Topatopa Mountains, Elizabeth Lake, Wrightwood,
Acton, The Angeles Crest Highway, Pyramid Lake, Mill Creek,
Matilija, San Rafael Mountain, and Lake Los Angeles
936 AM PDT Tue Jul 23 2024

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

* WHAT...Long duration of dangerously hot conditions with high
  temperatures of 100 to 110 common. Warm overnight conditions with
  low temperatures of 72 to 82 common.

* WHERE...A portion of southwest California.

* WHEN...Until 10 PM PDT Thursday.

* IMPACTS...There is a high risk for dangerous heat illness for
  anyone, especially for the very young, the very old, those without
  air conditioning, and those active outdoors.

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.

Avoid and reschedule strenuous activities outdoors.

Take action when you see 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.

Stay cool, stay hydrated, stay informed.

Monitor the latest forecasts and warnings for updates.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Hanford CA
934 AM PDT Tue Jul 23 2024

CAZ300>321-324-325-332-240100-
/O.CON.KHNX.EH.W.0003.000000T0000Z-240726T0600Z/
West Side Mountains north of 198-Los Banos - Dos Palos-Merced -
Madera - Mendota-Planada - Le Grand - Snelling-Coalinga - Avenal-
West Side of Fresno and Kings Counties-Caruthers - San Joaquin -
Selma-Fresno-Clovis-West Side Mountains South of 198-Buttonwillow
- Lost Hills - I5-Delano-Wasco-Shafter-Hanford - Corcoran -
Lemoore-Visalia - Porterville - Reedley-Buena Vista-Bakersfield-
Southeast San Joaquin Valley-South End San Joaquin Valley-
Mariposa Madera Foothills-Mariposa-Madera Lower Sierra-Fresno-
Tulare Foothills-Fresno-Tulare Lower Sierra-South End Sierra
Foothills-Yosemite Valley-San Joaquin River Canyon-Kern River
Valley-
Including the cities of Kingsburg, Selma, Arvin, Lamont, Hanford,
Lake Mcclure, Kerman, Madera, Atwater, Corcoran, Parlier,
Kettleman City, Richgrove, Mariposa, Tulare, Avenal, Blackwells
Corner, Goshen, Alpaugh, Oakhurst, Auberry, Merced, Lemoore
Station, Taft, Los Banos, Visalia, Coarsegold, Coalinga, Le
Grand, Porterville, Wasco, Bakersfield, Fish Camp, Yosemite
Valley, Buttonwillow, Kernville, Sanger, Lemoore, San Luis
Reservoir, Five Points, El Portal, Bass Lake, Planada, North
Fork, McKittrick, Delano, Shafter, Lost Hills, Millerton Lake,
Lake Isabella, and Fresno
934 AM PDT Tue Jul 23 2024

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 11 PM PDT
THURSDAY...

* WHAT...Dangerously hot conditions with high temperatures up to 111
  expected. Major to Extreme HeatRisk through the event.

* WHERE...A portion of central California.

* WHEN...Until 11 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.

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.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Hanford CA
934 AM PDT Tue Jul 23 2024

CAZ337>339-240100-
/O.CON.KHNX.EH.W.0003.000000T0000Z-240726T0600Z/
Indian Wells Valley-Mojave Desert Slopes-Mojave Desert-
Including the cities of Edwards AFB, Ridgecrest, Inyokern,
Randsburg, Rosamond, California City, and Mojave
934 AM PDT Tue Jul 23 2024

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 11 PM PDT
THURSDAY...

* WHAT...Dangerously hot conditions with high temperatures up to 114
  expected. Major to Extreme HeatRisk through the event.

* WHERE...Indian Wells Valley, Mojave Desert, and Mojave Desert
  Slopes.

* WHEN...Until 11 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.

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.

&&

$$

SM

URGENT - WEATHER MESSAGE
National Weather Service San Francisco Bay Area
526 AM PDT Tue Jul 23 2024

CAZ510-514-515-517-518-232200-
/O.CON.KMTR.EH.W.0002.000000T0000Z-240725T0600Z/
East Bay Interior Valleys-Eastern Santa Clara Hills-
East Bay Hills-
Santa Lucia Mountains and Los Padres National Forest-
Mountains of San Benito and Interior Monterey County including
Pinnacles National Park-
526 AM PDT Tue Jul 23 2024

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 11 PM PDT
WEDNESDAY...

* WHAT...Dangerously hot conditions with daytime temperatures
  reaching the upper 90s to lower 100s. Far inland temperatures
  may reach 108 degrees. Overnight temperatures will be warm and
  in the 60s and 70s.

* WHERE...East Bay Interior Valleys, Eastern Santa Clara Hills,
  East Bay Hills, Santa Lucia Mountains and Los Padres National
  Forest and Mountains of San Benito and Interior Monterey
  County including Pinnacles National Park.

* WHEN...Until 11 PM PDT Wednesday.

* IMPACTS...Extreme heat will significantly increase the
  potential for heat related illnesses, particularly for those
  working or participating in outdoor activities.

* ADDITIONAL DETAILS...The hottest day will be Tuesday.

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.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Las Vegas NV
502 AM PDT Tue Jul 23 2024

CAZ522-523-NVZ017-241200-
/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 Barstow, Amargosa Valley, Pahrump,
Shoshone, Daggett, Furnace Creek, Indian Springs, Stovepipe
Wells, Desert Rock, and Fort Irwin
502 AM PDT Tue Jul 23 2024

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 11 PM PDT
WEDNESDAY...

* 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 Wednesday.

* 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.

&&

$$


Heat Advisory


URGENT - WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
936 AM PDT Tue Jul 23 2024

CAZ088-342-343-369>372-375-260500-
/O.CON.KLOX.HT.Y.0008.000000T0000Z-240726T0500Z/
Santa Clarita Valley-Santa Lucia Mountains-Southern Salinas
Valley-Western Santa Monica Mountains Recreational Area-Eastern
Santa Monica Mountains Recreational Area-Calabasas and Agoura
Hills-Western San Fernando Valley-Santa Susana Mountains-
Including the cities of Atascadero, Valencia, Paso Robles, Irish
Hills, Templeton, Santa Clarita, Topanga, Northridge, Van Nuys,
Westlake Village, Hearst Castle, Chatsworth, Malibu Bowl, San
Miguel, Lake Nacimiento, Oat Mountain, Woodland Hills, Malibu
Lake, Newhall, and Lake Castaic
936 AM PDT Tue Jul 23 2024

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

* WHAT...High temperatures of 90 to 105 expected each day.

* WHERE...Calabasas and Agoura Hills, Eastern Santa Monica Mountains
  Recreational Area, Santa Clarita Valley, Santa Lucia Mountains,
  Santa Susana Mountains, Southern Salinas Valley, Western San
  Fernando Valley, and Western Santa Monica Mountains Recreational
  Area.

* WHEN...Until 10 PM PDT Thursday.

* IMPACTS...There is a high risk for heat illness for sensitive
  populations including the very young, the very old, those without
  air conditioning, and those active outdoors.

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.

Avoid and reschedule strenuous activities outdoors.

Take action when you see 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.

Stay cool, stay hydrated, stay informed.

Monitor the latest forecasts and warnings for updates.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
936 AM PDT Tue Jul 23 2024

CAZ348-351-352-260500-
/O.EXT.KLOX.HT.Y.0008.240723T1636Z-240726T0500Z/
Santa Ynez Valley-Santa Ynez Mountains Western Range-Santa Ynez
Mountains Eastern Range-
Including the cities of San Marcos Pass, Santa Ynez, Lake
Cachuma, Montecito Hills, Solvang, and Los Olivos
936 AM PDT Tue Jul 23 2024

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

* WHAT...High temperatures of 90 to 105 expected each day.

* WHERE...Santa Ynez Valley and Santa Ynez Mountains.

* WHEN...Until 10 PM PDT Thursday.

* IMPACTS...There is a high risk for heat illness for sensitive
  populations including the very young, the very old, those without
  air conditioning, and those active outdoors.

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.

Avoid and reschedule strenuous activities outdoors.

Take action when you see 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.

Stay cool, stay hydrated, stay informed.

Monitor the latest forecasts and warnings for updates.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service San Francisco Bay Area
526 AM PDT Tue Jul 23 2024

CAZ503-504-506-512-513-516-232200-
/O.CON.KMTR.HT.Y.0007.000000T0000Z-240725T0600Z/
Sonoma Coastal Range-North Bay Interior Mountains-
North Bay Interior Valleys-Santa Cruz Mountains-
Santa Clara Valley...including San Jose-
Southern Salinas Valley...Arroyo Seco...and Lake San Antonio-
526 AM PDT Tue Jul 23 2024

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT WEDNESDAY...

* WHAT...Daytime temperatures reaching the 90s to near 100.
  Overnight temperatures will be mild and in the upper 50s to
  near 70.

* WHERE...Interior portions of the North Bay, South Bay, Santa
  Cruz Mountains and Southern Salinas Valley.

* WHEN...Until 11 PM PDT Wednesday.

* IMPACTS...Moderate HeatRisk across inland areas. This level of
  heat affects individuals sensitive to heat, especially those
  without effective cooling and/or adequate hydration.

* ADDITIONAL DETAILS...The hottest day will be Tuesday.

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.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/mtr

URGENT - WEATHER MESSAGE
National Weather Service Sacramento CA
230 AM PDT Tue Jul 23 2024

CAZ015>019-066-067-240000-
/O.CON.KSTO.HT.Y.0004.000000T0000Z-240725T0600Z/
Northern Sacramento Valley-Central Sacramento Valley-
Southern Sacramento Valley-Carquinez Strait and Delta-
Northern San Joaquin Valley-Northeast Foothills/Sacramento Valley-
Motherlode-
Including the cities of Redding, Red Bluff, Chico, Oroville,
Marysville/Yuba City, Sacramento, Fairfield/Suisun, Stockton,
Modesto, Paradise, Grass Valley, and Jackson
230 AM PDT Tue Jul 23 2024

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT WEDNESDAY...

* WHAT...Hot conditions, with high temperatures 100 to 112 and
  warm overnight low temperatures in the upper 60s to lower 80s.

* WHERE...Sacramento Valley, Northeast Foothills of the Sacramento
  Valley, Motherlode, Carquinez Strait and Delta, and Northern San
  Joaquin Valley.

* WHEN...Until 11 PM PDT Wednesday.

* IMPACTS...Heat related illnesses will be possible, especially
  for groups that are sensitive to heat.

* ADDITIONAL DETAILS...Widespread Moderate to Major HeatRisk
  expected. This level of heat could impact 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.

&&

$$


Flood Watch


Flood Watch
National Weather Service Reno NV
229 AM PDT Tue Jul 23 2024

CAZ073-NVZ001-241145-
/O.NEW.KREV.FA.A.0001.240723T2100Z-240725T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Mono County-Mineral and Southern Lyon Counties-
Including the cities of Lee Vining, Smith Valley, Coleville,
Hawthorne, Mina, Schurz, Mammoth Lakes, Bridgeport, and Yerington
229 AM PDT Tue Jul 23 2024

...FLOOD WATCH IN EFFECT FROM THIS AFTERNOON THROUGH WEDNESDAY
EVENING...

* WHAT...Flooding caused by excessive rainfall is possible.

* WHERE...Portions of east central California, including the
  following area, Mono County and western Nevada, including the
  following area, Mineral and Southern Lyon Counties.

* WHEN...From this afternoon through Wednesday evening.

* IMPACTS...Excessive runoff from thunderstorms may result in
  flooding of burn scars, creeks, streams, and other low-lying and
  flood-prone locations. Creeks and streams may rise out of their
  banks with low-water roads and crossings being flooded.

* ADDITIONAL DETAILS...
  - Deep moisture, slow storm motion, and storm redevelopment
    over complex terrain features will contribute to an increased
    risk of localized heavy rainfall and flooding within the
    watch area.
  - http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.

&&

$$

AY


Marine Weather Statement


Marine Weather Statement
National Weather Service Los Angeles/Oxnard CA
308 AM PDT Tue Jul 23 2024

PZZ645-650-655-670-673-676-240200-
Point Piedras Blancas to Point Sal westward out to 10 NM-
East Santa Barbara Channel from Pt. Conception to Pt. Mugu CA
including Santa Cruz Island-
Inner waters from Point Mugu to San Mateo Pt. CA including Santa
Catalina and Anacapa Islands-
Point Piedras Blancas to Point Sal from 10 to 60 NM-
Waters from Pt. Sal to Santa Cruz Island CA and westward 60 nm
including San Miguel and Santa Rosa Islands-
Outer waters from Santa Cruz Island to San Clemente Island to
60 NM offshore including San Nicolas and Santa Barbara Islands-
308 AM PDT Tue Jul 23 2024

...SLIGHT CHANCE OF THUNDERSTORMS FOR PORTIONS OF THE COASTAL
WATERS TODAY...

A moist and unstable air mass will bring the potential for
thunderstorms to the coastal waters. Any thunderstorm that forms
will be capable of producing locally gale force winds and rough
seas, dangerous lightning, heavy rainfall with reduced visibility,
and waterspouts.

$$

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