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California, Los Angeles County San Fernando Valley

Excessive Heat Watch

Statement as of 10:16 AM PDT on October 21, 2017

Expires 11:00 PM EDT on October 24, 2017


... Wind Advisory remains in effect until 2 PM PDT this
afternoon...
... Excessive heat watch remains in effect from Monday morning
through Tuesday evening...

* winds... north to northeast 15 to 25 mph with gusts to 40 mph
through early this afternoon. The strongest winds will occur
through Newhall pass, Porter ranch, and in the Moorpark area.

* Temperatures... 100-106 degrees on Monday and Tuesday.
Overnight lows in the upper 60s and 70s. Isolated lower 80s
possible in the foothills and mountains.

* Impacts... gusty winds will make driving difficult, especially
for high profile vehicles. This includes highways 118, 23, and
Interstate 5. The very high temperatures create a dangerous
situation in which heat illnesses are possible. Temperatures
inside vehicles, even if the windows are partially open, can
quickly rise to life- threatening levels.

Precautionary/preparedness actions...

Take extra precautions Monday through Tuesday if you work or
spend time outside. When possible, reschedule strenuous
activities to early morning or evening. Know the signs and
symptoms of heat exhaustion and heat stroke. Wear light weight
and loose fitting clothing when possible and drink plenty of
water.

To reduce risk during outdoor work the occupational safety and
health administration recommends scheduling frequent rest breaks
in shaded or air conditioned environments. Anyone overcome by
heat should be moved to a cool and shaded location. Heat stroke
is an emergency - call 911.






Fire Weather Warning

Statement as of 10:31 AM PDT on October 21, 2017

Expires 9:00 PM EDT on October 24, 2017


... Red flag warning in effect from 6 am Sunday to 6 PM PDT Tuesday
for gusty northeast winds and low relative humidity for the
Ventura County coast and Los Angeles County coast from Malibu to
Hollywood Hills...

The National Weather Service in Los Angeles/Oxnard has issued a
red flag warning for gusty northeast winds and low relative
humidity... which is in effect from Sunday morning through Tuesday
afternoon.

* Winds... northeast winds 10 to 20 mph with gusts to 30 mph on
Sunday from the Ventura County coast extending eastward to
Malibu and Hollywood Hills. Winds increasing to 15 to 30 mph
with gusts to 40 mph Monday through Tuesday.

* Relative humidity... minimum values 8 to 18 percent Sunday,
lowering to between 5 and 12 percent Monday through Tuesday.
Very poor humidity recoveries expected each night in the
foothills and wind prone areas.

* Temperatures... Max temperatures 84 to 94 degrees on Sunday,
rising to between 95 and 103 degrees Monday into Tuesday. Very
warm overnight low temperatures in the foothills and wind prone
areas... remaining in the 70s in warmest locations.

* Impacts... if fire ignition occurs, there will be the potential
for very rapid spread of wildfire with long range spotting and
extreme fire behavior that could lead to a threat to life and
property.

Precautionary/preparedness actions...

A red flag warning means that critical fire weather conditions
are expected. A combination of gusty winds... very low relative
humidity... and warm temperatures can contribute to extreme fire
behavior. Use extreme caution when using potential fire ignition
sources.






Public Information Statement

Statement as of 11:10 AM PDT on October 21, 2017

Expires 1:56 AM EDT on October 22, 2017


... Strongest winds over the past 12 hours across SW CA...

Location speed time/date elevation (ft.)

... Ventura County mountains...
5 WNW Topatopa Peak 37 mph 0600 am 10/21 4841

... Ventura County coastal valleys...
Wiley Ridge 37 mph 0449 am 10/21 1645

... Santa Monica Mountains recreational area...
Malibu Hills 46 mph 0856 am 10/21 1575

... Santa Clarita valley...
Newhall pass 43 mph 0956 am 10/21 2134
Saugus 38 mph 1157 PM 10/20 1450
del Valle 36 mph 0355 am 10/21 1277

... Santa Barbara County South Coast...
Refugio hills 41 mph 0206 am 10/21 1464
Santa Barbara botanic garden 37 mph 0324 am 10/21 752

... Santa Barbara County mountains...
Montecito hills 60 mph 0147 am 10/21 1619
10 E Santa Maria 46 mph 1020 am 10/21 1695
Tepusquet 39 mph 0806 am 10/21 3200

... Santa Barbara County central coast...
Point Arguello cman 41 mph 1000 am 10/21 105

... San Luis Obispo County mountains...
Branch Mountain 39 mph 0935 am 10/21 3770

... Los Angeles County San Fernando Valley...
Van Nuys apt. 37 mph 0142 am 10/21 799

... Los Angeles County mountains excluding the Santa Monica range...
Whitaker Peak 67 mph 0157 am 10/21 4120
Sandberg 56 mph 0355 am 10/21 4510
Warm Springs 53 mph 1253 am 10/21 4930
Camp nine 47 mph 1255 am 10/21 4000
chilao 45 mph 0253 am 10/21 5450
Mill Creek 37 mph 0953 am 10/21 5021

... Antelope Valley...
Lancaster Fox Field 55 mph 1131 PM 10/20 2351
poppy park 49 mph 0156 am 10/21 2759
Palmdale apt. 39 mph 0232 am 10/21 2543

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.



1110 am PDT Sat Oct 21 2017

... Strongest winds over the past 12 hours across SW CA...

Location speed time/date elevation (ft.)

... Ventura County mountains...
5 WNW Topatopa Peak 37 mph 0600 am 10/21 4841

... Ventura County coastal valleys...
Wiley Ridge 37 mph 0449 am 10/21 1645

... Santa Monica Mountains recreational area...
Malibu Hills 46 mph 0856 am 10/21 1575

... Santa Clarita valley...
Newhall pass 43 mph 0956 am 10/21 2134
Saugus 38 mph 1157 PM 10/20 1450
del Valle 36 mph 0355 am 10/21 1277

... Santa Barbara County South Coast...
Refugio hills 41 mph 0206 am 10/21 1464
Santa Barbara botanic garden 37 mph 0324 am 10/21 752

... Santa Barbara County mountains...
Montecito hills 60 mph 0147 am 10/21 1619
10 E Santa Maria 46 mph 1020 am 10/21 1695
Tepusquet 39 mph 0806 am 10/21 3200

... Santa Barbara County central coast...
Point Arguello cman 41 mph 1000 am 10/21 105

... San Luis Obispo County mountains...
Branch Mountain 39 mph 0935 am 10/21 3770

... Los Angeles County San Fernando Valley...
Van Nuys apt. 37 mph 0142 am 10/21 799

... Los Angeles County mountains excluding the Santa Monica range...
Whitaker Peak 67 mph 0157 am 10/21 4120
Sandberg 56 mph 0355 am 10/21 4510
Warm Springs 53 mph 1253 am 10/21 4930
Camp nine 47 mph 1255 am 10/21 4000
chilao 45 mph 0253 am 10/21 5450
Mill Creek 37 mph 0953 am 10/21 5021

... Antelope Valley...
Lancaster Fox Field 55 mph 1131 PM 10/20 2351
poppy park 49 mph 0156 am 10/21 2759
Palmdale apt. 39 mph 0232 am 10/21 2543

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.


Weather Severe Map
Alabama - Coastal Hazard Statement
Alaska - High Surf Advisory , Winter Weather Advisory , Record Report
Arizona - Lake Wind Advisory , Fire Weather Warning
California - High Surf Advisory , Lake Wind Advisory , Wind Advisory , Excessive Heat Watch , Excessive Heat Warning , Fire Weather Warning , Beach Hazard Statement , Public Information Statement , Public Information Statement
Colorado - Public Information Statement , Public Information Statement
Florida - Flood Warning , Coastal Flood Warning , Coastal Flood Advisory, Coastal Hazard Statement , Coastal Hazard Statement , Coastal Hazard Statement, Coastal Flood Statement , Coastal Flood Advisory , Coastal Hazard Statement, Coastal Flood Advisory , Beach Hazard Statement , Record Report
Georgia - Coastal Hazard Statement
Guam - High Surf Warning, High Surf Advisory
Hawaii - Record Report
Idaho - Wind Advisory , Special Statement , Record Report
Illinois -
Indiana -
Iowa - Public Information Statement
Kansas - Severe Thunderstorm Watch , Severe Thunderstorm Warning , Severe Thunderstorm Warning , Flood Watch , Frost Advisory , Freeze Warning , Special Statement , Public Information Statement
Louisiana - Storm Surge Warning, Tropical Storm Warning , Special Statement
Massachusetts -
Michigan - Record Report
Minnesota - Flood Warning , Record Report , Public Information Statement
Mississippi - Special Statement
Missouri - Severe Thunderstorm Watch , Flood Warning , Flood Watch
Montana - Lake Wind Advisory , High Wind Warning , High Wind Warning, Lake Wind Advisory , Wind Advisory , Special Statement
Nebraska - Freeze Warning
Nevada - Lake Wind Advisory
New Mexico - Winter Weather Statement , Special Statement
New York -
North Carolina -
North Dakota - Wind Advisory , Public Information Statement
Ohio -
Oklahoma - Tornado Watch , Severe Thunderstorm Warning , Flood Warning , Freeze Warning , Frost Advisory , Special Statement
Oregon - Areal Flood Watch , Flash Flood Watch , Wind Advisory , High Wind Warning , Winter Weather Advisory
Pennsylvania -
Puerto Rico - Flash Flood Warning
South Dakota - Wind Advisory
Texas - Tornado Watch , Tropical Storm Warning , Storm Surge Watch, Tropical Storm Warning , Coastal Flood Advisory , Frost Advisory , Freeze Warning , Beach Hazard Statement
Utah - Record Report , Public Information Statement
Virginia -
Washington - Areal Flood Watch , Flash Flood Watch, Areal Flood Watch , Flash Flood Watch , Wind Advisory , High Wind Warning , Winter Weather Advisory
Wisconsin - Public Information Statement
Wyoming - High Wind Warning , High Wind Watch , Winter Weather Advisory , Special Statement
- Gale Watch

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