Orange County Coastal Severe Watches & Warnings NOAA Weather Radio

Watches & Warnings

Excessive Heat Warning
Issued: 1:07 PM PDT Oct. 21, 2017 – National Weather Service

... Excessive heat warning in effect from 10 am Monday to 8 PM PDT

The National Weather Service in San Diego has issued an excessive
heat warning... which is in effect from 10 am Monday to 8 PM PDT
Tuesday. The excessive heat watch is no longer in effect.

* Temperature... highs in the 90s near the coast and from 97 to 107
in inland Orange County, the western inland Empire and western
valleys in San Diego County. The beaches will not be quite as
hot with highs mostly in the 80s.

* Impacts... heat related illness is likely for those involved in
strenuous outdoor activity, or those with health conditions
that do not have adequate access to air conditioning. If
untreated, heat illness events could be fatal. Never leave
children or pets inside a parked car!

* Outlook... still very warm Wednesday. Gradual cooling Thursday
and Friday.

Precautionary/preparedness actions...

An excessive heat warning means that a prolonged period of
dangerously hot temperatures will occur. The combination of hot
temperatures and high humidity will combine to create a dangerous
situation in which heat illnesses are likely. Drink plenty of
fluids... stay in an air-conditioned room... stay out of the sun...
and check up on relatives and neighbors.


Beach Hazard Statement
Issued: 1:43 PM PDT Oct. 21, 2017 – National Weather Service

... Beach hazards statement remains in effect through Sunday

* waves and surf... 3 to 6 ft through Sunday.

* Timing... a west-northwest swell will continue to bring elevated
surf and strong rip currents through Sunday.

* Impacts... increased risk of ocean drowning from elevated surf
and strong rip currents. Rip currents can pull swimmers and
surfers out to sea. Large breaking waves can wash people off
jetties and rocks... and capsize small boats near shore.

Precautionary/preparedness actions...

Swim near a lifeguard. If caught in a rip current, relax and
float. Don't swim against the current. If able, swim in a
direction following the shoreline. If unable to escape, face the
shore and call or wave for help.


Fire Weather Warning
Issued: 12:58 PM PDT Oct. 21, 2017 – National Weather Service

... Red flag warning in effect from 6 am Sunday to 6 PM PDT
Tuesday for strong gusty winds and low humidity...

The National Weather Service in San Diego has issued a red flag
warning... which is in effect from 6 am Sunday to 6 PM PDT Tuesday.
The Fire Weather Watch is no longer in effect.

* Wind... for Sunday... areas of northeast winds 15 to 25 mph with
gusts to 35 near the coastal foothills and below passes and
canyons. Stronger and more widespread winds for Monday and
Tuesday with northeast winds 20 to 30 mph with gusts to 55 mph.

* Humidity... lowest daytime humidity of 5 to 10 percent Sunday...
and around 5 percent Monday and Tuesday with poorest overnight
recovery in the windier areas near the coastal foothills.

* Timing... through Tuesday... with the most extreme combination of
low humidity... stronger and more widespread winds... and heat on
Monday and Tuesday.

* Outlook... winds will weaken Wednesday with some improvement in

* Impacts... any fires that develop will likely spread rapidly...
especially Monday and Tuesday. Outdoor burning is not

Precautionary/preparedness actions...

A red flag warning means that critical fire weather conditions
are either occurring now... .or will shortly. A combination of
strong winds... low relative humidity... and warm temperatures can
contribute to extreme fire behavior.