- High Wind Watch for Orange County Coastal Areas County, California
- High Wind Watch issued December 03 at 3:38AM PST until December 07 at 4:00PM PST by NWS
- Effective: Monday, December 4, 2017 at 3 a.m.
- Expires: Thursday, December 7, 2017 at 4 p.m.
...Moderate to strong Santa Ana winds for late tonight into
...Below freezing overnight temperatures for portions of the
upper deserts for tonight and Monday night...
.Surface high pressure over the Great Basin will bring a cool and
very dry air mass into inland Southern California beginning late
tonight with areas of below freezing temperatures for portions of
the upper deserts for late tonight into Monday morning and again
late Monday night into Tuesday morning. That surface high pressure
in the Great Basin will also bring periods of moderate to strong
Santa Ana winds begin late tonight and continuing into Thursday.
The greatest potential for damaging wind gusts will be for late
Monday night into Tuesday...and possibly again for late Wednesday
night into Thursday for portions of the San Diego County mountains
and inland valleys.
...HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
* Winds...Areas of northeast winds 20 to 30 mph with gusts to 50
mph developing after midnight and continuing into Monday
afternoon with strongest gusts to 65 mph below the Cajon
Pass...and for inland Orange County along and below the coastal
slopes of the Santa Ana Mountains. Winds will strengthen late
Monday night and Tuesday with northeast winds of 30 to 40 mph
with gusts 65 mph and isolated gusts to 85 mph. For Tuesday
night into Thursday...periods of east to northeast winds 20 to
30 mph will continue with gusts to 50 mph and isolated gusts to
* Timing...The initial round of stronger winds is expected from
around midnight tonight into Monday afternoon...with a second
round of stronger and potentially damaging winds for late
Monday night into Tuesday. Periods of moderate strength winds
will continue for Tuesday night into Thursday.
* Location...Strongest gusts will be below the Cajon Pass...and
along the coastal slopes of the Santa Ana Mountains into inland
* Impacts...A High Wind Watch means there is the potential for a
hazardous high wind event. Move lighter loose objects such as
patio furniture indoors before the winds begin late tonight.
During the periods of stronger winds Tuesday...there could be
power outages and tree damage. Travel will be hazardous in high