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Alert Archives for All California Counties
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115 total alerts issued on this day

Updates Every 15 Minutes
Spacer GifLast Update:March 17, 2026 - 7:00 am PDT
Alameda County
HTY.gif   HEAT ADVISORY  
  Areas affected: San Francisco; Marin Coastal Range; Sonoma Coastal Range; North Bay Interior Mountains; Coastal North Bay Including Point Reyes National Seashore; North Bay Interior Valleys; San Francisco Bay Shoreline; San Francisco Peninsula Coast; East Bay Interior Valleys; Santa Cruz Mountains; Santa Clara Valley Including San Jose; Eastern Santa Clara Hills; East Bay Hills; Southern Salinas Valley/Arroyo Seco and Lake San Antonio; Santa Lucia Mountains and Los Padres National Forest; Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park; Northern Salinas Valley/Hollister Valley and Carmel Valley; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Mar 16 9:51 pm Expired: Mar 17 3:00 pm Duration: 17 hrs   09 mins  
Contra Costa County
HTY.gif   HEAT ADVISORY  
  Areas affected: San Francisco; Marin Coastal Range; Sonoma Coastal Range; North Bay Interior Mountains; Coastal North Bay Including Point Reyes National Seashore; North Bay Interior Valleys; San Francisco Bay Shoreline; San Francisco Peninsula Coast; East Bay Interior Valleys; Santa Cruz Mountains; Santa Clara Valley Including San Jose; Eastern Santa Clara Hills; East Bay Hills; Southern Salinas Valley/Arroyo Seco and Lake San Antonio; Santa Lucia Mountains and Los Padres National Forest; Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park; Northern Salinas Valley/Hollister Valley and Carmel Valley; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Mar 16 9:51 pm Expired: Mar 17 3:00 pm Duration: 17 hrs   09 mins  
Los Angeles County
HTY.gif   HEAT ADVISORY  
  Areas affected: San Francisco; Marin Coastal Range; Sonoma Coastal Range; North Bay Interior Mountains; Coastal North Bay Including Point Reyes National Seashore; North Bay Interior Valleys; San Francisco Bay Shoreline; San Francisco Peninsula Coast; East Bay Interior Valleys; Santa Cruz Mountains; Santa Clara Valley Including San Jose; Eastern Santa Clara Hills; East Bay Hills; Southern Salinas Valley/Arroyo Seco and Lake San Antonio; Santa Lucia Mountains and Los Padres National Forest; Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park; Northern Salinas Valley/Hollister Valley and Carmel Valley; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Mar 16 9:51 pm Expired: Mar 17 3:00 pm Duration: 17 hrs   09 mins  
Marin County
HTY.gif   HEAT ADVISORY  
  Areas affected: San Francisco; Marin Coastal Range; Sonoma Coastal Range; North Bay Interior Mountains; Coastal North Bay Including Point Reyes National Seashore; North Bay Interior Valleys; San Francisco Bay Shoreline; San Francisco Peninsula Coast; East Bay Interior Valleys; Santa Cruz Mountains; Santa Clara Valley Including San Jose; Eastern Santa Clara Hills; East Bay Hills; Southern Salinas Valley/Arroyo Seco and Lake San Antonio; Santa Lucia Mountains and Los Padres National Forest; Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park; Northern Salinas Valley/Hollister Valley and Carmel Valley; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Mar 16 9:51 pm Expired: Mar 17 3:00 pm Duration: 17 hrs   09 mins  
Monterey County
HTY.gif   HEAT ADVISORY  
  Areas affected: San Francisco; Marin Coastal Range; Sonoma Coastal Range; North Bay Interior Mountains; Coastal North Bay Including Point Reyes National Seashore; North Bay Interior Valleys; San Francisco Bay Shoreline; San Francisco Peninsula Coast; East Bay Interior Valleys; Santa Cruz Mountains; Santa Clara Valley Including San Jose; Eastern Santa Clara Hills; East Bay Hills; Southern Salinas Valley/Arroyo Seco and Lake San Antonio; Santa Lucia Mountains and Los Padres National Forest; Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park; Northern Salinas Valley/Hollister Valley and Carmel Valley; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Mar 16 9:51 pm Expired: Mar 17 3:00 pm Duration: 17 hrs   09 mins  
Napa County
HTY.gif   HEAT ADVISORY  
  Areas affected: San Francisco; Marin Coastal Range; Sonoma Coastal Range; North Bay Interior Mountains; Coastal North Bay Including Point Reyes National Seashore; North Bay Interior Valleys; San Francisco Bay Shoreline; San Francisco Peninsula Coast; East Bay Interior Valleys; Santa Cruz Mountains; Santa Clara Valley Including San Jose; Eastern Santa Clara Hills; East Bay Hills; Southern Salinas Valley/Arroyo Seco and Lake San Antonio; Santa Lucia Mountains and Los Padres National Forest; Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park; Northern Salinas Valley/Hollister Valley and Carmel Valley; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Mar 16 9:51 pm Expired: Mar 17 3:00 pm Duration: 17 hrs   09 mins  
San Benito County
HTY.gif   HEAT ADVISORY  
  Areas affected: San Francisco; Marin Coastal Range; Sonoma Coastal Range; North Bay Interior Mountains; Coastal North Bay Including Point Reyes National Seashore; North Bay Interior Valleys; San Francisco Bay Shoreline; San Francisco Peninsula Coast; East Bay Interior Valleys; Santa Cruz Mountains; Santa Clara Valley Including San Jose; Eastern Santa Clara Hills; East Bay Hills; Southern Salinas Valley/Arroyo Seco and Lake San Antonio; Santa Lucia Mountains and Los Padres National Forest; Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park; Northern Salinas Valley/Hollister Valley and Carmel Valley; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Mar 16 9:51 pm Expired: Mar 17 3:00 pm Duration: 17 hrs   09 mins  
San Francisco County
HTY.gif   HEAT ADVISORY  
  Areas affected: San Francisco; Marin Coastal Range; Sonoma Coastal Range; North Bay Interior Mountains; Coastal North Bay Including Point Reyes National Seashore; North Bay Interior Valleys; San Francisco Bay Shoreline; San Francisco Peninsula Coast; East Bay Interior Valleys; Santa Cruz Mountains; Santa Clara Valley Including San Jose; Eastern Santa Clara Hills; East Bay Hills; Southern Salinas Valley/Arroyo Seco and Lake San Antonio; Santa Lucia Mountains and Los Padres National Forest; Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park; Northern Salinas Valley/Hollister Valley and Carmel Valley; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Mar 16 9:51 pm Expired: Mar 17 3:00 pm Duration: 17 hrs   09 mins  
San Mateo County
HTY.gif   HEAT ADVISORY  
  Areas affected: San Francisco; Marin Coastal Range; Sonoma Coastal Range; North Bay Interior Mountains; Coastal North Bay Including Point Reyes National Seashore; North Bay Interior Valleys; San Francisco Bay Shoreline; San Francisco Peninsula Coast; East Bay Interior Valleys; Santa Cruz Mountains; Santa Clara Valley Including San Jose; Eastern Santa Clara Hills; East Bay Hills; Southern Salinas Valley/Arroyo Seco and Lake San Antonio; Santa Lucia Mountains and Los Padres National Forest; Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park; Northern Salinas Valley/Hollister Valley and Carmel Valley; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Mar 16 9:51 pm Expired: Mar 17 3:00 pm Duration: 17 hrs   09 mins  
Santa Clara County
HTY.gif   HEAT ADVISORY  
  Areas affected: San Francisco; Marin Coastal Range; Sonoma Coastal Range; North Bay Interior Mountains; Coastal North Bay Including Point Reyes National Seashore; North Bay Interior Valleys; San Francisco Bay Shoreline; San Francisco Peninsula Coast; East Bay Interior Valleys; Santa Cruz Mountains; Santa Clara Valley Including San Jose; Eastern Santa Clara Hills; East Bay Hills; Southern Salinas Valley/Arroyo Seco and Lake San Antonio; Santa Lucia Mountains and Los Padres National Forest; Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park; Northern Salinas Valley/Hollister Valley and Carmel Valley; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Mar 16 9:51 pm Expired: Mar 17 3:00 pm Duration: 17 hrs   09 mins  
Santa Cruz County
HTY.gif   HEAT ADVISORY  
  Areas affected: San Francisco; Marin Coastal Range; Sonoma Coastal Range; North Bay Interior Mountains; Coastal North Bay Including Point Reyes National Seashore; North Bay Interior Valleys; San Francisco Bay Shoreline; San Francisco Peninsula Coast; East Bay Interior Valleys; Santa Cruz Mountains; Santa Clara Valley Including San Jose; Eastern Santa Clara Hills; East Bay Hills; Southern Salinas Valley/Arroyo Seco and Lake San Antonio; Santa Lucia Mountains and Los Padres National Forest; Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park; Northern Salinas Valley/Hollister Valley and Carmel Valley; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Mar 16 9:51 pm Expired: Mar 17 3:00 pm Duration: 17 hrs   09 mins  
Sonoma County
HTY.gif   HEAT ADVISORY  
  Areas affected: San Francisco; Marin Coastal Range; Sonoma Coastal Range; North Bay Interior Mountains; Coastal North Bay Including Point Reyes National Seashore; North Bay Interior Valleys; San Francisco Bay Shoreline; San Francisco Peninsula Coast; East Bay Interior Valleys; Santa Cruz Mountains; Santa Clara Valley Including San Jose; Eastern Santa Clara Hills; East Bay Hills; Southern Salinas Valley/Arroyo Seco and Lake San Antonio; Santa Lucia Mountains and Los Padres National Forest; Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park; Northern Salinas Valley/Hollister Valley and Carmel Valley; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Mar 16 9:51 pm Expired: Mar 17 3:00 pm Duration: 17 hrs   09 mins  
Imperial County
SVW.gif   EXTREME HEAT WARNING   (3 updates)
  Areas affected: Parker Valley; 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
Effective: Mar 16 11:54 am Expired: Mar 17 3:00 am Duration: 15 hrs   06 mins  
  Areas affected: Parker Valley; 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
Effective: Mar 17 12:17 am Expired: Mar 17 3:30 pm Duration: 15 hrs   13 mins  
  Areas affected: Parker Valley; 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
Effective: Mar 17 10:31 am Expired: Mar 18 3:00 am Duration: 16 hrs   29 mins  
Riverside County   2 alerts
SVW.gif   EXTREME HEAT WARNING   (10 updates)
  Areas affected: Parker Valley; 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
Effective: Mar 16 11:54 am Expired: Mar 17 3:00 am Duration: 15 hrs   06 mins  
  Areas affected: Coachella Valley; San Diego County Deserts; San Gorgonio Pass Near Banning
Effective: Mar 16 9:54 pm Expired: Mar 17 6:15 am Duration: 8 hrs   21 mins  
  Areas affected: Parker Valley; 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
Effective: Mar 17 12:17 am Expired: Mar 17 3:30 pm Duration: 15 hrs   13 mins  
  Areas affected: San Gorgonio Pass Near Banning
Effective: Mar 17 12:29 am Expired: Mar 17 4:00 pm Duration: 15 hrs   31 mins  
  Areas affected: Coachella Valley
Effective: Mar 17 12:29 am Expired: Mar 17 4:00 pm Duration: 15 hrs   31 mins  
  Areas affected: San Gorgonio Pass Near Banning
Effective: Mar 17 12:33 am Expired: Mar 17 4:00 pm Duration: 15 hrs   27 mins  
  Areas affected: Coachella Valley
Effective: Mar 17 12:33 am Expired: Mar 17 4:00 pm Duration: 15 hrs   27 mins  
  Areas affected: Parker Valley; 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
Effective: Mar 17 10:31 am Expired: Mar 18 3:00 am Duration: 16 hrs   29 mins  
  Areas affected: San Gorgonio Pass Near Banning
Effective: Mar 17 12:28 pm Expired: Mar 17 10:15 pm Duration: 9 hrs   47 mins  
  Areas affected: Coachella Valley
Effective: Mar 17 12:28 pm Expired: Mar 17 10:15 pm Duration: 9 hrs   47 mins  
HTY.gif   HEAT ADVISORY   (11 updates)
  Areas affected: San Diego County Coastal Areas; San Bernardino and Riverside County Valleys-The Inland Empire; San Diego County Inland Valleys; Santa Ana Mountains and Foothills; Orange County Coastal; Orange County Inland
Effective: Mar 16 9:54 pm Expired: Mar 17 6:15 am Duration: 8 hrs   21 mins  
  Areas affected: San Bernardino County Mountains; Riverside County Mountains; San Diego County Mountains
Effective: Mar 16 9:54 pm Expired: Mar 17 6:15 am Duration: 8 hrs   21 mins  
  Areas affected: Santa Ana Mountains and Foothills
Effective: Mar 17 12:29 am Expired: Mar 17 4:00 pm Duration: 15 hrs   31 mins  
  Areas affected: San Bernardino and Riverside County Valleys-The Inland Empire
Effective: Mar 17 12:29 am Expired: Mar 17 4:00 pm Duration: 15 hrs   31 mins  
  Areas affected: Riverside County Mountains
Effective: Mar 17 12:29 am Expired: Mar 17 4:00 pm Duration: 15 hrs   31 mins  
  Areas affected: Santa Ana Mountains and Foothills
Effective: Mar 17 12:33 am Expired: Mar 17 4:00 pm Duration: 15 hrs   27 mins  
  Areas affected: San Bernardino and Riverside County Valleys-The Inland Empire
Effective: Mar 17 12:33 am Expired: Mar 17 4:00 pm Duration: 15 hrs   27 mins  
  Areas affected: Riverside County Mountains
Effective: Mar 17 12:33 am Expired: Mar 17 4:00 pm Duration: 15 hrs   27 mins  
  Areas affected: Santa Ana Mountains and Foothills
Effective: Mar 17 12:28 pm Expired: Mar 17 10:15 pm Duration: 9 hrs   47 mins  
  Areas affected: San Bernardino and Riverside County Valleys-The Inland Empire
Effective: Mar 17 12:28 pm Expired: Mar 17 10:15 pm Duration: 9 hrs   47 mins  
  Areas affected: Riverside County Mountains
Effective: Mar 17 12:28 pm Expired: Mar 17 10:15 pm Duration: 9 hrs   47 mins  
San Bernardino County   2 alerts
SVW.gif   EXTREME HEAT WARNING   (6 updates)
  Areas affected: Parker Valley; 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
Effective: Mar 16 11:54 am Expired: Mar 17 3:00 am Duration: 15 hrs   06 mins  
  Areas affected: Northwest Deserts; Death Valley National Park; Western Mojave Desert; Eastern Mojave Desert, Including the Mojave National Preserve; Morongo Basin; Cadiz Basin; Northeast Clark County; Western Clark and Southern Nye County; Las Vegas Valley; Southern Clark County
Effective: Mar 16 7:53 pm Expired: Mar 17 9:00 am Duration: 13 hrs   07 mins  
  Areas affected: Lake Havasu and Fort Mohave; Lake Mead National Recreation Area; San Bernardino County-Upper Colorado River Valley; Lake Mead National Recreation Area
Effective: Mar 16 7:53 pm Expired: Mar 17 9:00 am Duration: 13 hrs   07 mins  
  Areas affected: Parker Valley; 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
Effective: Mar 17 12:17 am Expired: Mar 17 3:30 pm Duration: 15 hrs   13 mins  
  Areas affected: Northwest Plateau; Lake Havasu and Fort Mohave; Northwest Deserts; Lake Mead National Recreation Area; Death Valley National Park; Western Mojave Desert; Eastern Mojave Desert, Including the Mojave National Preserve; Morongo Basin; Cadiz Basin; San Bernardino County-Upper Colorado River Valley; Northeast Clark County; Western Clark and Southern Nye County; Las Vegas Valley; Lake Mead National Recreation Area; Southern Clark County
Effective: Mar 17 8:03 am Expired: Mar 18 4:00 am Duration: 19 hrs   57 mins  
  Areas affected: Parker Valley; 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
Effective: Mar 17 10:31 am Expired: Mar 18 3:00 am Duration: 16 hrs   29 mins  
HTY.gif   HEAT ADVISORY   (8 updates)
  Areas affected: San Diego County Coastal Areas; San Bernardino and Riverside County Valleys-The Inland Empire; San Diego County Inland Valleys; Santa Ana Mountains and Foothills; Orange County Coastal; Orange County Inland
Effective: Mar 16 9:54 pm Expired: Mar 17 6:15 am Duration: 8 hrs   21 mins  
  Areas affected: San Bernardino County Mountains; Riverside County Mountains; San Diego County Mountains
Effective: Mar 16 9:54 pm Expired: Mar 17 6:15 am Duration: 8 hrs   21 mins  
  Areas affected: San Bernardino and Riverside County Valleys-The Inland Empire
Effective: Mar 17 12:29 am Expired: Mar 17 4:00 pm Duration: 15 hrs   31 mins  
  Areas affected: San Bernardino County Mountains
Effective: Mar 17 12:29 am Expired: Mar 17 4:00 pm Duration: 15 hrs   31 mins  
  Areas affected: San Bernardino and Riverside County Valleys-The Inland Empire
Effective: Mar 17 12:33 am Expired: Mar 17 4:00 pm Duration: 15 hrs   27 mins  
  Areas affected: San Bernardino County Mountains
Effective: Mar 17 12:33 am Expired: Mar 17 4:00 pm Duration: 15 hrs   27 mins  
  Areas affected: San Bernardino and Riverside County Valleys-The Inland Empire
Effective: Mar 17 12:28 pm Expired: Mar 17 10:15 pm Duration: 9 hrs   47 mins  
  Areas affected: San Bernardino County Mountains
Effective: Mar 17 12:28 pm Expired: Mar 17 10:15 pm Duration: 9 hrs   47 mins  
Inyo County   2 alerts
SVW.gif   EXTREME HEAT WARNING   (2 updates)
  Areas affected: Northwest Deserts; Death Valley National Park; Western Mojave Desert; Eastern Mojave Desert, Including the Mojave National Preserve; Morongo Basin; Cadiz Basin; Northeast Clark County; Western Clark and Southern Nye County; Las Vegas Valley; Southern Clark County
Effective: Mar 16 7:53 pm Expired: Mar 17 9:00 am Duration: 13 hrs   07 mins  
  Areas affected: Northwest Plateau; Lake Havasu and Fort Mohave; Northwest Deserts; Lake Mead National Recreation Area; Death Valley National Park; Western Mojave Desert; Eastern Mojave Desert, Including the Mojave National Preserve; Morongo Basin; Cadiz Basin; San Bernardino County-Upper Colorado River Valley; Northeast Clark County; Western Clark and Southern Nye County; Las Vegas Valley; Lake Mead National Recreation Area; Southern Clark County
Effective: Mar 17 8:03 am Expired: Mar 18 4:00 am Duration: 19 hrs   57 mins  
HTY.gif   HEAT ADVISORY   (2 updates)
  Areas affected: Owens Valley; Esmeralda and Central Nye County; Lincoln County
Effective: Mar 16 7:53 pm Expired: Mar 17 9:00 am Duration: 13 hrs   07 mins  
  Areas affected: Owens Valley; Esmeralda and Central Nye County; Lincoln County
Effective: Mar 17 8:03 am Expired: Mar 18 4:00 am Duration: 19 hrs   57 mins  
Orange County   2 alerts
HTY.gif   HEAT ADVISORY   (10 updates)
  Areas affected: San Diego County Coastal Areas; San Bernardino and Riverside County Valleys-The Inland Empire; San Diego County Inland Valleys; Santa Ana Mountains and Foothills; Orange County Coastal; Orange County Inland
Effective: Mar 16 9:54 pm Expired: Mar 17 6:15 am Duration: 8 hrs   21 mins  
  Areas affected: Santa Ana Mountains and Foothills
Effective: Mar 17 12:29 am Expired: Mar 17 4:00 pm Duration: 15 hrs   31 mins  
  Areas affected: Orange County Inland
Effective: Mar 17 12:29 am Expired: Mar 17 4:00 pm Duration: 15 hrs   31 mins  
  Areas affected: Orange County Coastal
Effective: Mar 17 12:29 am Expired: Mar 17 4:00 pm Duration: 15 hrs   31 mins  
  Areas affected: Orange County Coastal
Effective: Mar 17 12:33 am Expired: Mar 17 4:00 pm Duration: 15 hrs   27 mins  
  Areas affected: Santa Ana Mountains and Foothills
Effective: Mar 17 12:33 am Expired: Mar 17 4:00 pm Duration: 15 hrs   27 mins  
  Areas affected: Orange County Inland
Effective: Mar 17 12:33 am Expired: Mar 17 4:00 pm Duration: 15 hrs   27 mins  
  Areas affected: Santa Ana Mountains and Foothills
Effective: Mar 17 12:28 pm Expired: Mar 17 10:15 pm Duration: 9 hrs   47 mins  
  Areas affected: Orange County Coastal
Effective: Mar 17 12:28 pm Expired: Mar 17 10:15 pm Duration: 9 hrs   47 mins  
  Areas affected: Orange County Inland
Effective: Mar 17 12:28 pm Expired: Mar 17 10:15 pm Duration: 9 hrs   47 mins  
SPS.gif   BEACH HAZARDS STATEMENT   (2 updates)
  Areas affected: San Diego County Coastal Areas; Orange County Coastal
Effective: Mar 16 8:47 pm Expired: Mar 17 5:00 am Duration: 8 hrs   13 mins  
  Areas affected: San Diego County Coastal Areas; Orange County Coastal
Effective: Mar 17 1:49 am Expired: Mar 17 2:00 pm Duration: 12 hrs   11 mins  
San Diego County   3 alerts
HTY.gif   HEAT ADVISORY   (14 updates)
  Areas affected: San Diego County Coastal Areas; San Bernardino and Riverside County Valleys-The Inland Empire; San Diego County Inland Valleys; Santa Ana Mountains and Foothills; Orange County Coastal; Orange County Inland
Effective: Mar 16 9:54 pm Expired: Mar 17 6:15 am Duration: 8 hrs   21 mins  
  Areas affected: San Bernardino County Mountains; Riverside County Mountains; San Diego County Mountains
Effective: Mar 16 9:54 pm Expired: Mar 17 6:15 am Duration: 8 hrs   21 mins  
  Areas affected: Santa Ana Mountains and Foothills
Effective: Mar 17 12:29 am Expired: Mar 17 4:00 pm Duration: 15 hrs   31 mins  
  Areas affected: San Diego County Inland Valleys
Effective: Mar 17 12:29 am Expired: Mar 17 4:00 pm Duration: 15 hrs   31 mins  
  Areas affected: San Diego County Coastal Areas
Effective: Mar 17 12:29 am Expired: Mar 17 4:00 pm Duration: 15 hrs   31 mins  
  Areas affected: San Diego County Mountains
Effective: Mar 17 12:29 am Expired: Mar 17 4:00 pm Duration: 15 hrs   31 mins  
  Areas affected: Santa Ana Mountains and Foothills
Effective: Mar 17 12:33 am Expired: Mar 17 4:00 pm Duration: 15 hrs   27 mins  
  Areas affected: San Diego County Inland Valleys
Effective: Mar 17 12:33 am Expired: Mar 17 4:00 pm Duration: 15 hrs   27 mins  
  Areas affected: San Diego County Coastal Areas
Effective: Mar 17 12:33 am Expired: Mar 17 4:00 pm Duration: 15 hrs   27 mins  
  Areas affected: San Diego County Mountains
Effective: Mar 17 12:33 am Expired: Mar 17 4:00 pm Duration: 15 hrs   27 mins  
  Areas affected: Santa Ana Mountains and Foothills
Effective: Mar 17 12:28 pm Expired: Mar 17 10:15 pm Duration: 9 hrs   47 mins  
  Areas affected: San Diego County Coastal Areas
Effective: Mar 17 12:28 pm Expired: Mar 17 10:15 pm Duration: 9 hrs   47 mins  
  Areas affected: San Diego County Inland Valleys
Effective: Mar 17 12:28 pm Expired: Mar 17 10:15 pm Duration: 9 hrs   47 mins  
  Areas affected: San Diego County Mountains
Effective: Mar 17 12:28 pm Expired: Mar 17 10:15 pm Duration: 9 hrs   47 mins  
SPS.gif   BEACH HAZARDS STATEMENT   (2 updates)
  Areas affected: San Diego County Coastal Areas; Orange County Coastal
Effective: Mar 16 8:47 pm Expired: Mar 17 5:00 am Duration: 8 hrs   13 mins  
  Areas affected: San Diego County Coastal Areas; Orange County Coastal
Effective: Mar 17 1:49 am Expired: Mar 17 2:00 pm Duration: 12 hrs   11 mins  
SVW.gif   EXTREME HEAT WARNING   (4 updates)
  Areas affected: Coachella Valley; San Diego County Deserts; San Gorgonio Pass Near Banning
Effective: Mar 16 9:54 pm Expired: Mar 17 6:15 am Duration: 8 hrs   21 mins  
  Areas affected: San Diego County Deserts
Effective: Mar 17 12:29 am Expired: Mar 17 4:00 pm Duration: 15 hrs   31 mins  
  Areas affected: San Diego County Deserts
Effective: Mar 17 12:33 am Expired: Mar 17 4:00 pm Duration: 15 hrs   27 mins  
  Areas affected: San Diego County Deserts
Effective: Mar 17 12:28 pm Expired: Mar 17 10:15 pm Duration: 9 hrs   47 mins  
San Luis Obispo County   2 alerts
SVW.gif   EXTREME HEAT WARNING   (2 updates)
  Areas affected: Santa Clarita Valley; Santa Lucia Mountains; San Luis Obispo County Mountains; Santa Ynez Mountains Western Range; Santa Ynez Mountains Eastern Range; Santa Barbara County Interior Mountains; Lake Casitas; Ojai Valley; Central Ventura County Valleys; Los Angeles County Inland Coast including Downtown Los Angeles; Western Santa Monica Mountains Recreational Area; Eastern Santa Monica Mountains Recreational Area; Calabasas and Agoura Hills; Western San Fernando Valley; Eastern San Fernando Valley; Southeastern Ventura County Valleys; Santa Susana Mountains; Southern Ventura County Mountains; Interstate 5 Corridor; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains; Los Angeles County San Gabriel Valley
Effective: Mar 16 4:47 pm Expired: Mar 17 9:30 am Duration: 16 hrs   43 mins  
  Areas affected: Santa Clarita Valley; Santa Lucia Mountains; San Luis Obispo County Mountains; Santa Ynez Mountains Western Range; Santa Ynez Mountains Eastern Range; Santa Barbara County Interior Mountains; Lake Casitas; Ojai Valley; Central Ventura County Valleys; Los Angeles County Inland Coast including Downtown Los Angeles; Western Santa Monica Mountains Recreational Area; Eastern Santa Monica Mountains Recreational Area; Calabasas and Agoura Hills; Western San Fernando Valley; Eastern San Fernando Valley; Southeastern Ventura County Valleys; Santa Susana Mountains; Southern Ventura County Mountains; Interstate 5 Corridor; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains; Los Angeles County San Gabriel Valley
Effective: Mar 17 9:12 am Expired: Mar 20 8:00 pm Duration: 3 days   10 hrs   48 mins  
HTY.gif   HEAT ADVISORY   (5 updates)
  Areas affected: Santa Clarita Valley; Santa Lucia Mountains; San Luis Obispo County Mountains; Santa Ynez Mountains Western Range; Santa Ynez Mountains Eastern Range; Santa Barbara County Interior Mountains; Lake Casitas; Ojai Valley; Central Ventura County Valleys; Los Angeles County Inland Coast including Downtown Los Angeles; Western Santa Monica Mountains Recreational Area; Eastern Santa Monica Mountains Recreational Area; Calabasas and Agoura Hills; Western San Fernando Valley; Eastern San Fernando Valley; Southeastern Ventura County Valleys; Santa Susana Mountains; Southern Ventura County Mountains; Interstate 5 Corridor; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains; Los Angeles County San Gabriel Valley
Effective: Mar 16 4:47 pm Expired: Mar 17 9:30 am Duration: 16 hrs   43 mins  
  Areas affected: Catalina and Santa Barbara Islands; San Luis Obispo County Beaches; San Luis Obispo County Inland Central Coast; Santa Barbara County Central Coast Beaches; Santa Barbara County Inland Central Coast; Santa Ynez Valley; Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast; Ventura County Beaches; Ventura County Inland Coast; Malibu Coast; Los Angeles County Beaches; Palos Verdes Hills
Effective: Mar 16 4:47 pm Expired: Mar 17 9:30 am Duration: 16 hrs   43 mins  
  Areas affected: Cuyama Valley; Southern Salinas Valley; San Luis Obispo County Interior Valleys
Effective: Mar 16 4:47 pm Expired: Mar 17 9:30 am Duration: 16 hrs   43 mins  
  Areas affected: Santa Clarita Valley; Santa Lucia Mountains; San Luis Obispo County Mountains; Santa Ynez Mountains Western Range; Santa Ynez Mountains Eastern Range; Santa Barbara County Interior Mountains; Lake Casitas; Ojai Valley; Central Ventura County Valleys; Los Angeles County Inland Coast including Downtown Los Angeles; Western Santa Monica Mountains Recreational Area; Eastern Santa Monica Mountains Recreational Area; Calabasas and Agoura Hills; Western San Fernando Valley; Eastern San Fernando Valley; Southeastern Ventura County Valleys; Santa Susana Mountains; Southern Ventura County Mountains; Interstate 5 Corridor; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains; Los Angeles County San Gabriel Valley
Effective: Mar 17 9:12 am Expired: Mar 20 8:00 pm Duration: 3 days   10 hrs   48 mins  
  Areas affected: Catalina and Santa Barbara Islands; San Luis Obispo County Beaches; San Luis Obispo County Inland Central Coast; Santa Barbara County Central Coast Beaches; Santa Barbara County Inland Central Coast; Santa Ynez Valley; Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast; Ventura County Beaches; Ventura County Inland Coast; Malibu Coast; Los Angeles County Beaches; Palos Verdes Hills
Effective: Mar 17 9:12 am Expired: Mar 20 8:00 pm Duration: 3 days   10 hrs   48 mins  
Santa Barbara County   2 alerts
SVW.gif   EXTREME HEAT WARNING   (2 updates)
  Areas affected: Santa Clarita Valley; Santa Lucia Mountains; San Luis Obispo County Mountains; Santa Ynez Mountains Western Range; Santa Ynez Mountains Eastern Range; Santa Barbara County Interior Mountains; Lake Casitas; Ojai Valley; Central Ventura County Valleys; Los Angeles County Inland Coast including Downtown Los Angeles; Western Santa Monica Mountains Recreational Area; Eastern Santa Monica Mountains Recreational Area; Calabasas and Agoura Hills; Western San Fernando Valley; Eastern San Fernando Valley; Southeastern Ventura County Valleys; Santa Susana Mountains; Southern Ventura County Mountains; Interstate 5 Corridor; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains; Los Angeles County San Gabriel Valley
Effective: Mar 16 4:47 pm Expired: Mar 17 9:30 am Duration: 16 hrs   43 mins  
  Areas affected: Santa Clarita Valley; Santa Lucia Mountains; San Luis Obispo County Mountains; Santa Ynez Mountains Western Range; Santa Ynez Mountains Eastern Range; Santa Barbara County Interior Mountains; Lake Casitas; Ojai Valley; Central Ventura County Valleys; Los Angeles County Inland Coast including Downtown Los Angeles; Western Santa Monica Mountains Recreational Area; Eastern Santa Monica Mountains Recreational Area; Calabasas and Agoura Hills; Western San Fernando Valley; Eastern San Fernando Valley; Southeastern Ventura County Valleys; Santa Susana Mountains; Southern Ventura County Mountains; Interstate 5 Corridor; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains; Los Angeles County San Gabriel Valley
Effective: Mar 17 9:12 am Expired: Mar 20 8:00 pm Duration: 3 days   10 hrs   48 mins  
HTY.gif   HEAT ADVISORY   (7 updates)
  Areas affected: Santa Clarita Valley; Santa Lucia Mountains; San Luis Obispo County Mountains; Santa Ynez Mountains Western Range; Santa Ynez Mountains Eastern Range; Santa Barbara County Interior Mountains; Lake Casitas; Ojai Valley; Central Ventura County Valleys; Los Angeles County Inland Coast including Downtown Los Angeles; Western Santa Monica Mountains Recreational Area; Eastern Santa Monica Mountains Recreational Area; Calabasas and Agoura Hills; Western San Fernando Valley; Eastern San Fernando Valley; Southeastern Ventura County Valleys; Santa Susana Mountains; Southern Ventura County Mountains; Interstate 5 Corridor; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains; Los Angeles County San Gabriel Valley
Effective: Mar 16 4:47 pm Expired: Mar 17 9:30 am Duration: 16 hrs   43 mins  
  Areas affected: Catalina and Santa Barbara Islands; San Luis Obispo County Beaches; San Luis Obispo County Inland Central Coast; Santa Barbara County Central Coast Beaches; Santa Barbara County Inland Central Coast; Santa Ynez Valley; Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast; Ventura County Beaches; Ventura County Inland Coast; Malibu Coast; Los Angeles County Beaches; Palos Verdes Hills
Effective: Mar 16 4:47 pm Expired: Mar 17 9:30 am Duration: 16 hrs   43 mins  
  Areas affected: Cuyama Valley; Southern Salinas Valley; San Luis Obispo County Interior Valleys
Effective: Mar 16 4:47 pm Expired: Mar 17 9:30 am Duration: 16 hrs   43 mins  
  Areas affected: San Miguel and Santa Rosa Islands; Santa Cruz and Anacapa Islands
Effective: Mar 16 4:47 pm Expired: Mar 17 9:30 am Duration: 16 hrs   43 mins  
  Areas affected: Santa Clarita Valley; Santa Lucia Mountains; San Luis Obispo County Mountains; Santa Ynez Mountains Western Range; Santa Ynez Mountains Eastern Range; Santa Barbara County Interior Mountains; Lake Casitas; Ojai Valley; Central Ventura County Valleys; Los Angeles County Inland Coast including Downtown Los Angeles; Western Santa Monica Mountains Recreational Area; Eastern Santa Monica Mountains Recreational Area; Calabasas and Agoura Hills; Western San Fernando Valley; Eastern San Fernando Valley; Southeastern Ventura County Valleys; Santa Susana Mountains; Southern Ventura County Mountains; Interstate 5 Corridor; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains; Los Angeles County San Gabriel Valley
Effective: Mar 17 9:12 am Expired: Mar 20 8:00 pm Duration: 3 days   10 hrs   48 mins  
  Areas affected: Catalina and Santa Barbara Islands; San Luis Obispo County Beaches; San Luis Obispo County Inland Central Coast; Santa Barbara County Central Coast Beaches; Santa Barbara County Inland Central Coast; Santa Ynez Valley; Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast; Ventura County Beaches; Ventura County Inland Coast; Malibu Coast; Los Angeles County Beaches; Palos Verdes Hills
Effective: Mar 17 9:12 am Expired: Mar 20 8:00 pm Duration: 3 days   10 hrs   48 mins  
  Areas affected: San Miguel and Santa Rosa Islands; Santa Cruz and Anacapa Islands
Effective: Mar 17 9:12 am Expired: Mar 20 8:00 pm Duration: 3 days   10 hrs   48 mins  
Ventura County   3 alerts
SVW.gif   EXTREME HEAT WARNING   (2 updates)
  Areas affected: Santa Clarita Valley; Santa Lucia Mountains; San Luis Obispo County Mountains; Santa Ynez Mountains Western Range; Santa Ynez Mountains Eastern Range; Santa Barbara County Interior Mountains; Lake Casitas; Ojai Valley; Central Ventura County Valleys; Los Angeles County Inland Coast including Downtown Los Angeles; Western Santa Monica Mountains Recreational Area; Eastern Santa Monica Mountains Recreational Area; Calabasas and Agoura Hills; Western San Fernando Valley; Eastern San Fernando Valley; Southeastern Ventura County Valleys; Santa Susana Mountains; Southern Ventura County Mountains; Interstate 5 Corridor; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains; Los Angeles County San Gabriel Valley
Effective: Mar 16 4:47 pm Expired: Mar 17 9:30 am Duration: 16 hrs   43 mins  
  Areas affected: Santa Clarita Valley; Santa Lucia Mountains; San Luis Obispo County Mountains; Santa Ynez Mountains Western Range; Santa Ynez Mountains Eastern Range; Santa Barbara County Interior Mountains; Lake Casitas; Ojai Valley; Central Ventura County Valleys; Los Angeles County Inland Coast including Downtown Los Angeles; Western Santa Monica Mountains Recreational Area; Eastern Santa Monica Mountains Recreational Area; Calabasas and Agoura Hills; Western San Fernando Valley; Eastern San Fernando Valley; Southeastern Ventura County Valleys; Santa Susana Mountains; Southern Ventura County Mountains; Interstate 5 Corridor; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains; Los Angeles County San Gabriel Valley
Effective: Mar 17 9:12 am Expired: Mar 20 8:00 pm Duration: 3 days   10 hrs   48 mins  
HTY.gif   HEAT ADVISORY   (4 updates)
  Areas affected: Santa Clarita Valley; Santa Lucia Mountains; San Luis Obispo County Mountains; Santa Ynez Mountains Western Range; Santa Ynez Mountains Eastern Range; Santa Barbara County Interior Mountains; Lake Casitas; Ojai Valley; Central Ventura County Valleys; Los Angeles County Inland Coast including Downtown Los Angeles; Western Santa Monica Mountains Recreational Area; Eastern Santa Monica Mountains Recreational Area; Calabasas and Agoura Hills; Western San Fernando Valley; Eastern San Fernando Valley; Southeastern Ventura County Valleys; Santa Susana Mountains; Southern Ventura County Mountains; Interstate 5 Corridor; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains; Los Angeles County San Gabriel Valley
Effective: Mar 16 4:47 pm Expired: Mar 17 9:30 am Duration: 16 hrs   43 mins  
  Areas affected: Catalina and Santa Barbara Islands; San Luis Obispo County Beaches; San Luis Obispo County Inland Central Coast; Santa Barbara County Central Coast Beaches; Santa Barbara County Inland Central Coast; Santa Ynez Valley; Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast; Ventura County Beaches; Ventura County Inland Coast; Malibu Coast; Los Angeles County Beaches; Palos Verdes Hills
Effective: Mar 16 4:47 pm Expired: Mar 17 9:30 am Duration: 16 hrs   43 mins  
  Areas affected: Santa Clarita Valley; Santa Lucia Mountains; San Luis Obispo County Mountains; Santa Ynez Mountains Western Range; Santa Ynez Mountains Eastern Range; Santa Barbara County Interior Mountains; Lake Casitas; Ojai Valley; Central Ventura County Valleys; Los Angeles County Inland Coast including Downtown Los Angeles; Western Santa Monica Mountains Recreational Area; Eastern Santa Monica Mountains Recreational Area; Calabasas and Agoura Hills; Western San Fernando Valley; Eastern San Fernando Valley; Southeastern Ventura County Valleys; Santa Susana Mountains; Southern Ventura County Mountains; Interstate 5 Corridor; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains; Los Angeles County San Gabriel Valley
Effective: Mar 17 9:12 am Expired: Mar 20 8:00 pm Duration: 3 days   10 hrs   48 mins  
  Areas affected: Catalina and Santa Barbara Islands; San Luis Obispo County Beaches; San Luis Obispo County Inland Central Coast; Santa Barbara County Central Coast Beaches; Santa Barbara County Inland Central Coast; Santa Ynez Valley; Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast; Ventura County Beaches; Ventura County Inland Coast; Malibu Coast; Los Angeles County Beaches; Palos Verdes Hills
Effective: Mar 17 9:12 am Expired: Mar 20 8:00 pm Duration: 3 days   10 hrs   48 mins  
SPS.gif   BEACH HAZARDS STATEMENT   (2 updates)
  Areas affected: Ventura County Beaches; Malibu Coast; Los Angeles County Beaches
Effective: Mar 15 1:05 pm Expired: Mar 18 11:00 pm Duration: 3 days   9 hrs   55 mins  
  Areas affected: Ventura County Beaches; Malibu Coast; Los Angeles County Beaches
Effective: Mar 17 2:14 am Expired: Mar 17 10:15 am Duration: 8 hrs   01 min  


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