Orange County, CA Weather Alerts
Every National Weather Service alert issued for Orange County, California, pushed to your phone within moments — county code CAC059, forecast zone 2 zones (CAZ554, CAZ552). Free with StormCast.
Download on Google PlayHow the NWS identifies Orange County
These are the identifiers the National Weather Service uses when it issues a warning here. StormCast watches CAC059 directly rather than matching on place names, which is why an alert arrives whether you are in Aliso Viejo or anywhere else in the county.
NWS County Code
CAC059
Forecast Zones
2 zones (CAZ554, CAZ552)
Forecast Office
San Diego (SGX)
Radar Station
KSOX
Towns covered in Orange County
An NWS alert for Orange County applies to all 47 of these communities. You do not need a separate alert for each one.
River gauges in and around Orange County
StormCast tracks 5 gauges near Orange County. Set a flood-stage alert on any of them to get notified before the water reaches you.
Current conditions
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Alert types issued for Orange County
Tornado
Tornado Warning, Tornado Watch, Tornado Emergency and Severe Thunderstorm Warning.
How tornado alerts work →Flooding
Flash Flood Warning, Flood Watch, Flood Advisory and River Flood Warning.
How flood alerts work →Winter
Winter Storm Warning, Ice Storm Warning, Blizzard Warning and Winter Weather Advisory.
Winter warnings explained →Fire Weather
Red Flag Warning and Fire Weather Watch when conditions favor rapid fire spread.
Fire weather alerts →Heat & Cold
Excessive Heat Warning, Heat Advisory, Freeze Warning and Frost Advisory.
Frost & freeze alerts →Orange County weather alert questions
Which NWS forecast zone is Orange County in?
Orange County, California is NWS county code CAC059 and spans 2 forecast zones (CAZ554, CAZ552). Alerts for it are issued by the San Diego (SGX) Weather Forecast Office, and the nearest NEXRAD radar is KSOX.
Which towns in Orange County are covered?
All of them. NWS alerts are issued at the county and zone level, so a warning for Orange County covers every community inside it, including Aliso Viejo, Anaheim, Atwood, Brea, Buena Park, Capistrano Beach, Corona Del Mar, Costa Mesa, Cypress, Dana Point, East Irvine, El Toro, Foothill Ranch, Fountain Valley, Fullerton, Garden Grove, Huntington Beach, Irvine, La Habra, La Palma, Ladera Ranch, Laguna Beach, Laguna Hills, Laguna Niguel, Laguna Woods, Lake Forest, Los Alamitos, Midway City, Mission Viejo, Newport Beach, Newport Coast, Orange, Placentia, Rancho Santa Margarita, San Clemente, San Juan Capistrano, Santa Ana, Seal Beach, Silverado, Stanton, Sunset Beach, Surfside, Trabuco Canyon, Tustin, Villa Park, Westminster and Yorba Linda.
Are there river gauges in Orange County?
Yes — StormCast monitors 5 river gauges in and around Orange County, including Santa Ana River at Santa Ana, San Gabriel River (CA) at Spring Street, Temescal Creek near Corona. You can set a flood-stage alert on any of them and get a push notification when the water rises.
How fast are alerts for Orange County delivered?
StormCast polls the NWS alert feed every 30 seconds. When a warning is issued for CAC059, the push notification goes out within moments — even with your screen off.