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California, San Bernardino County Mountains

Fire Weather Warning

Statement as of 12:41 PM PST on December 15, 2017

Expires 11:00 PM EST on December 17, 2017


... Red flag warning in effect from 8 am to 8 PM PST Sunday for low
humidity and gusty offshore winds...

The National Weather Service in San Diego has issued a a red flag
warning... which is in effect from 8 am to 8 PM PST Sunday. The
Fire Weather Watch is no longer in effect.

* Wind... northeast 20 to 30 mph with gusts to 55 mph Saturday
night through Sunday evening. Isolated gusts near 70 mph on
remote coastal slopes and through wind-prone canyons.

* Humidity... minimum 10 to 15 percent Sunday morning through
Sunday evening.

* Timing... 8 am through 8 PM Sunday.

* Outlook... winds will weaken Sunday night.

* Fire weather impacts... any fires that develop will likely
spread rapidly and be difficult to contain. Outdoor burning
should be avoided.

* Wind impacts... hazardous driving conditions for high profile
vehicles. Specific freeways that may be impacted include
interstates 5, 405, 10, 215, and 15. Blowing dust or sand may
locally reduce visibility to 1 mile. Debris on roadways and
falling tree branches possible.

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 heat can contribute to
extreme fire behavior.






Public Information Statement

Statement as of 1:06 PM PST on December 15, 2017

Expires 4:06 AM EST on December 16, 2017


... Highest observed 12-hour wind gusts above 35 mph as of 1 PM Fri...

... ... ... ... ... ... ... ... ... ... .Top 10 gusts... ... ... ... ... ... ... ... ... ...
location speed time/date elevation (ft.)
Sill Hill 69 mph 0700 am 12/15 3556
Boulevard (5 nw) 54 mph 0310 am 12/15 4114
Descanso (8 ne) 54 mph 0340 am 12/15 4740
Boulevard (8 nw) 54 mph 0220 am 12/15 4000
Boulder Creek 52 mph 0700 am 12/15 3706
Dye Mountain 49 mph 0650 am 12/15 2998
north Boulder Creek 49 mph 0700 am 12/15 3091
Julian (5 nw) 49 mph 0740 am 12/15 4284
Descanso (5 n) 49 mph 0710 am 12/15 3609
Santa Ysabel (2 sw) 47 mph 0650 am 12/15 3291
... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... .

Location speed time/date elevation (ft.)

... Santa Ana Mountains and foothills...
Fremont Canyon 44 mph 0151 am 12/15 1780

... San Diego County mountains...
Sill Hill 69 mph 0700 am 12/15 3556
Boulevard (5 nw) 54 mph 0310 am 12/15 4114
Descanso (8 ne) 54 mph 0340 am 12/15 4740
Boulevard (8 nw) 54 mph 0220 am 12/15 4000
Boulder Creek 52 mph 0700 am 12/15 3706
Julian (5 nw) 49 mph 0740 am 12/15 4284
Descanso (5 n) 49 mph 0710 am 12/15 3609
Santa Ysabel (2 sw) 47 mph 0650 am 12/15 3291
Descanso 44 mph 0204 am 12/15 3567
Pine Valley (5 s) 43 mph 0140 am 12/15 3263
Harrison Park 43 mph 0240 am 12/15 4861
Big Black mountain 42 mph 0747 am 12/15 4055
Santa Ysabel (1 se) 42 mph 0700 am 12/15 3314
Volcan mountain 42 mph 0220 am 12/15 5154
Palomar mtn lookout 41 mph 0508 am 12/15 6142
4 E Pine Valley 40 mph 0742 am 12/15 6048
Julian (4 w) 40 mph 0220 am 12/15 3738
Descanso (1 sw) 40 mph 0730 am 12/15 3394
viejas grade 40 mph 0840 am 12/15 3211
5 S Julian 39 mph 0304 am 12/15 4637
Guatay 39 mph 0740 am 12/15 3892
Mt Laguna (3 w) 39 mph 0320 am 12/15 5030
Campo (3 ne) 39 mph 0330 am 12/15 2886
Boulevard (1 w) 38 mph 0340 am 12/15 3404
Mt Laguna 37 mph 0205 am 12/15 6300
Campo 36 mph 1035 am 12/15 2630
Pine Hills 36 mph 0150 am 12/15 4058
Wynola west 35 mph 0640 am 12/15 3553
Julian (2 n) 35 mph 0940 am 12/15 4131

... San Diego County inland valleys...
Dye Mountain 49 mph 0650 am 12/15 2998
north Boulder Creek 49 mph 0700 am 12/15 3091
alpine 42 mph 0752 am 12/15 2810
Round Potrero 42 mph 0410 am 12/15 2634
Potrero (2 ne) 41 mph 0750 am 12/15 2532
Potrero 41 mph 0810 am 12/15 2360
alpine (1 ne) 40 mph 0440 am 12/15 2667
Otay Mountain 40 mph 0710 am 12/15 3359
Otay Mountain 39 mph 0714 am 12/15 3283
Santa Ysabel ranch 37 mph 0750 am 12/15 2943
Hellhole Canyon 35 mph 0730 am 12/15 2001

... San Bernardino and Riverside County valleys-the inland Empire...
DeVore 41 mph 0210 am 12/15 2081
Highland Springs 41 mph 0316 am 12/15 2233
Rialto 35 mph 0143 am 12/15 4685

... San Bernardino County mountains...
Running Springs (2 nw) 35 mph 0115 am 12/15 6350

... Riverside County mountains...
Banning (5 nnw) 36 mph 0314 am 12/15 3830

Observations are collected from a variety of sources with varying
equipment and exposures. We thank all volunteer weather observers
for their dedication. Not all data listed are considered official.


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