California County Alert Archives from the National Weather Service

Imperial County

EXTREME HEAT WARNING (3 updates)
Areas affected: Parker Valley; Kofa; Yuma; Central La Paz; Southeast Yuma County; Gila River Valley; Imperial County Southwest; Imperial County Southeast; Imperial County West; Imperial Valley; Palo Verde Valley; Chuckwalla Valley
Effective: Aug 18 11:47 am	Expired: Aug 19 3:00 am	Duration: 15 hrs 13 mins
Areas affected: Parker Valley; Kofa; Yuma; Central La Paz; Southeast Yuma County; Gila River Valley; Imperial County Southwest; Imperial County Southeast; Imperial County West; Imperial Valley; Palo Verde Valley; Chuckwalla Valley
Effective: Aug 19 12:14 am	Expired: Aug 19 3:30 pm	Duration: 15 hrs 16 mins
Areas affected: Parker Valley; Kofa; Yuma; Central La Paz; Southeast Yuma County; Gila River Valley; Imperial County Southwest; Imperial County Southeast; Imperial County West; Imperial Valley; Palo Verde Valley; Chuckwalla Valley
Effective: Aug 19 10:49 am	Expired: Aug 20 5:00 am	Duration: 18 hrs 11 mins

Riverside County 2 alerts

EXTREME HEAT WARNING (4 updates)
Areas affected: Parker Valley; Kofa; Yuma; Central La Paz; Southeast Yuma County; Gila River Valley; Imperial County Southwest; Imperial County Southeast; Imperial County West; Imperial Valley; Palo Verde Valley; Chuckwalla Valley
Effective: Aug 18 11:47 am	Expired: Aug 19 3:00 am	Duration: 15 hrs 13 mins
Areas affected: Parker Valley; Kofa; Yuma; Central La Paz; Southeast Yuma County; Gila River Valley; Imperial County Southwest; Imperial County Southeast; Imperial County West; Imperial Valley; Palo Verde Valley; Chuckwalla Valley
Effective: Aug 19 12:14 am	Expired: Aug 19 3:30 pm	Duration: 15 hrs 16 mins
Areas affected: Coachella Valley; San Diego County Deserts; San Gorgonio Pass Near Banning
Effective: Aug 19 12:58 am	Expired: Aug 19 3:30 pm	Duration: 14 hrs 32 mins
Areas affected: Parker Valley; Kofa; Yuma; Central La Paz; Southeast Yuma County; Gila River Valley; Imperial County Southwest; Imperial County Southeast; Imperial County West; Imperial Valley; Palo Verde Valley; Chuckwalla Valley
Effective: Aug 19 10:49 am	Expired: Aug 20 5:00 am	Duration: 18 hrs 11 mins

HEAT ADVISORY (2 updates)
Areas affected: San Bernardino and Riverside County Valleys-The Inland Empire
Effective: Aug 18 8:47 pm	Expired: Aug 19 6:15 am	Duration: 9 hrs 28 mins
Areas affected: San Bernardino and Riverside County Valleys-The Inland Empire
Effective: Aug 19 12:58 am	Expired: Aug 19 3:30 pm	Duration: 14 hrs 32 mins

Inyo County

EXTREME HEAT WARNING (2 updates)
Areas affected: Lake Havasu and Fort Mohave; Lake Mead - AZ side; Lake Mohave - AZ side; Hualapai Mountains; Northwest Deserts; Death Valley National Park; 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; Southern Clark County; Lake Mead - NV side; Lake Mohave - NV side
Effective: Aug 18 4:16 am	Expired: Aug 19 5:00 am	Duration: 1 day 0 hrs 44 mins
Areas affected: Lake Havasu and Fort Mohave; Lake Mead - AZ side; Lake Mohave - AZ side; Hualapai Mountains; Northwest Deserts; Death Valley National Park; 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; Southern Clark County; Lake Mead - NV side; Lake Mohave - NV side
Effective: Aug 19 4:11 am	Expired: Aug 20 5:00 am	Duration: 1 day 0 hrs 49 mins

San Bernardino County 2 alerts

EXTREME HEAT WARNING (2 updates)
Areas affected: Lake Havasu and Fort Mohave; Lake Mead - AZ side; Lake Mohave - AZ side; Hualapai Mountains; Northwest Deserts; Death Valley National Park; 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; Southern Clark County; Lake Mead - NV side; Lake Mohave - NV side
Effective: Aug 18 4:16 am	Expired: Aug 19 5:00 am	Duration: 1 day 0 hrs 44 mins
Areas affected: Lake Havasu and Fort Mohave; Lake Mead - AZ side; Lake Mohave - AZ side; Hualapai Mountains; Northwest Deserts; Death Valley National Park; 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; Southern Clark County; Lake Mead - NV side; Lake Mohave - NV side
Effective: Aug 19 4:11 am	Expired: Aug 20 5:00 am	Duration: 1 day 0 hrs 49 mins

HEAT ADVISORY (2 updates)
Areas affected: San Bernardino and Riverside County Valleys-The Inland Empire
Effective: Aug 18 8:47 pm	Expired: Aug 19 6:15 am	Duration: 9 hrs 28 mins
Areas affected: San Bernardino and Riverside County Valleys-The Inland Empire
Effective: Aug 19 12:58 am	Expired: Aug 19 3:30 pm	Duration: 14 hrs 32 mins

San Luis Obispo County

HEAT ADVISORY (3 updates)
Areas affected: Cuyama Valley; Santa Clarita Valley; Southern Salinas Valley; San Luis Obispo County Interior Valleys; San Luis Obispo County Mountains; Santa Barbara County Interior Mountains; Calabasas and Agoura Hills; Western San Fernando Valley; Eastern San Fernando Valley; Santa Susana Mountains; Southern Ventura County Mountains; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains; Los Angeles County San Gabriel Valley
Effective: Aug 18 7:33 pm	Expired: Aug 19 2:00 am	Duration: 6 hrs 27 mins
Areas affected: Cuyama Valley; Santa Clarita Valley; Southern Salinas Valley; San Luis Obispo County Interior Valleys; San Luis Obispo County Mountains; Santa Barbara County Interior Mountains; Calabasas and Agoura Hills; Western San Fernando Valley; Eastern San Fernando Valley; Santa Susana Mountains; Southern Ventura County Mountains; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains; Los Angeles County San Gabriel Valley
Effective: Aug 19 2:03 am	Expired: Aug 19 2:15 pm	Duration: 12 hrs 12 mins
Areas affected: Cuyama Valley; Santa Clarita Valley; Southern Salinas Valley; San Luis Obispo County Interior Valleys; San Luis Obispo County Mountains; Santa Ynez Mountains Western Range; Santa Barbara County Interior Mountains; Calabasas and Agoura Hills; Western San Fernando Valley; Eastern San Fernando Valley; Santa Susana Mountains; Southern Ventura County Mountains; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains; Los Angeles County San Gabriel Valley
Effective: Aug 19 2:48 am	Expired: Aug 20 4:00 pm	Duration: 1 day 13 hrs 12 mins

Santa Barbara County 2 alerts

HEAT ADVISORY (5 updates)
Areas affected: Cuyama Valley; Santa Clarita Valley; Southern Salinas Valley; San Luis Obispo County Interior Valleys; San Luis Obispo County Mountains; Santa Barbara County Interior Mountains; Calabasas and Agoura Hills; Western San Fernando Valley; Eastern San Fernando Valley; Santa Susana Mountains; Southern Ventura County Mountains; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains; Los Angeles County San Gabriel Valley
Effective: Aug 18 7:33 pm	Expired: Aug 19 2:00 am	Duration: 6 hrs 27 mins
Areas affected: Santa Ynez Mountains Western Range
Effective: Aug 18 7:33 pm	Expired: Aug 19 2:00 am	Duration: 6 hrs 27 mins
Areas affected: Cuyama Valley; Santa Clarita Valley; Southern Salinas Valley; San Luis Obispo County Interior Valleys; San Luis Obispo County Mountains; Santa Barbara County Interior Mountains; Calabasas and Agoura Hills; Western San Fernando Valley; Eastern San Fernando Valley; Santa Susana Mountains; Southern Ventura County Mountains; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains; Los Angeles County San Gabriel Valley
Effective: Aug 19 2:03 am	Expired: Aug 19 2:15 pm	Duration: 12 hrs 12 mins
Areas affected: Santa Ynez Mountains Western Range
Effective: Aug 19 2:03 am	Expired: Aug 19 2:15 pm	Duration: 12 hrs 12 mins
Areas affected: Cuyama Valley; Santa Clarita Valley; Southern Salinas Valley; San Luis Obispo County Interior Valleys; San Luis Obispo County Mountains; Santa Ynez Mountains Western Range; Santa Barbara County Interior Mountains; Calabasas and Agoura Hills; Western San Fernando Valley; Eastern San Fernando Valley; Santa Susana Mountains; Southern Ventura County Mountains; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains; Los Angeles County San Gabriel Valley
Effective: Aug 19 2:48 am	Expired: Aug 20 4:00 pm	Duration: 1 day 13 hrs 12 mins

WIND ADVISORY (2 updates)
Areas affected: Santa Ynez Mountains Western Range
Effective: Aug 18 7:33 pm	Expired: Aug 19 2:00 am	Duration: 6 hrs 27 mins
Areas affected: Santa Barbara County Southwestern Coast
Effective: Aug 18 7:33 pm	Expired: Aug 19 2:00 am	Duration: 6 hrs 27 mins

Ventura County

HEAT ADVISORY (3 updates)
Areas affected: Cuyama Valley; Santa Clarita Valley; Southern Salinas Valley; San Luis Obispo County Interior Valleys; San Luis Obispo County Mountains; Santa Barbara County Interior Mountains; Calabasas and Agoura Hills; Western San Fernando Valley; Eastern San Fernando Valley; Santa Susana Mountains; Southern Ventura County Mountains; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains; Los Angeles County San Gabriel Valley
Effective: Aug 18 7:33 pm	Expired: Aug 19 2:00 am	Duration: 6 hrs 27 mins
Areas affected: Cuyama Valley; Santa Clarita Valley; Southern Salinas Valley; San Luis Obispo County Interior Valleys; San Luis Obispo County Mountains; Santa Barbara County Interior Mountains; Calabasas and Agoura Hills; Western San Fernando Valley; Eastern San Fernando Valley; Santa Susana Mountains; Southern Ventura County Mountains; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains; Los Angeles County San Gabriel Valley
Effective: Aug 19 2:03 am	Expired: Aug 19 2:15 pm	Duration: 12 hrs 12 mins
Areas affected: Cuyama Valley; Santa Clarita Valley; Southern Salinas Valley; San Luis Obispo County Interior Valleys; San Luis Obispo County Mountains; Santa Ynez Mountains Western Range; Santa Barbara County Interior Mountains; Calabasas and Agoura Hills; Western San Fernando Valley; Eastern San Fernando Valley; Santa Susana Mountains; Southern Ventura County Mountains; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains; Los Angeles County San Gabriel Valley
Effective: Aug 19 2:48 am	Expired: Aug 20 4:00 pm	Duration: 1 day 13 hrs 12 mins

San Diego County

EXTREME HEAT WARNING
Areas affected: Coachella Valley; San Diego County Deserts; San Gorgonio Pass Near Banning
Effective: Aug 19 12:58 am	Expired: Aug 19 3:30 pm	Duration: 14 hrs 32 mins

Kern County

LAKE WIND ADVISORY
Areas affected: Kern River Valley
Effective: Aug 19 10:12 am	Expired: Aug 19 8:00 pm	Duration: 9 hrs 48 mins

Tulare County

LAKE WIND ADVISORY
Areas affected: Kern River Valley
Effective: Aug 19 10:12 am	Expired: Aug 19 8:00 pm	Duration: 9 hrs 48 mins

Modoc County

FIRE WEATHER WATCH
The National Weather Service in Medford has issued a Fire Weather
Areas affected: Central Siskiyou County Including Shasta Valley; Siskiyou County from the Cascade Mountains East and South to Mt Shasta; Modoc County Except for the Surprise Valley
Effective: Aug 19 11:53 am	Expired: Aug 20 12:00 am	Duration: 12 hrs 07 mins

Siskiyou County

FIRE WEATHER WATCH
The National Weather Service in Medford has issued a Fire Weather
Areas affected: Central Siskiyou County Including Shasta Valley; Siskiyou County from the Cascade Mountains East and South to Mt Shasta; Modoc County Except for the Surprise Valley
Effective: Aug 19 11:53 am	Expired: Aug 20 12:00 am	Duration: 12 hrs 07 mins