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California, San Diego County Inland Valleys

Excessive Heat Watch

Statement as of 2:23 AM PDT on October 21, 2017

Expires 11:00 PM EDT on October 24, 2017


... Excessive heat watch remains in effect from Monday morning
through Tuesday evening...

* temperature... highs mostly in the 90s... except 98 to 106 for
inland Orange County into the western inland Empire and for The
Mesas to the western valleys in San Diego County. The beaches
will not be quite as hot with high temperatures 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... gradual cooling will likely occur Wednesday and
Thursday.

Precautionary/preparedness actions...

An excessive heat watch means that a prolonged period of very
high temperatures is expected. The very hot weather will create a
dangerous situation in which heat illnesses are possible. Drink
plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.



17


Fire Weather Watch

Statement as of 2:41 AM PDT on October 21, 2017

Expires 9:00 PM EDT on October 24, 2017


... Fire Weather Watch remains in effect from Sunday morning
through Tuesday afternoon for strong gusty winds and low humidity...

* 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 areas of northeast winds 20 to 30 mph with gusts to
45 mph. Isolated gusts to 50 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... Sunday through Tuesday... with the most extreme
combination of low humidity... stronger and more widespread
winds... and heat on Monday and Tuesday.

* Outlook... winds should weaken Wednesday with some improvement
in humidity.

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

Precautionary/preparedness actions...

A Fire Weather Watch means that critical fire weather conditions
are forecast to occur. A combination of strong winds, low
relative humidity and hot weather can contribute to extreme fire
behavior. Listen for later forecasts and possible red flag
warnings.



17


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 , Wind Advisory , Lake Wind Advisory , Excessive Heat Watch , Wind Advisory, Excessive Heat Watch , Fire Weather Watch , Fire Weather Warning , Fire Weather Watch, Fire Weather Warning , Fire Weather Warning, Fire Weather Watch , Beach Hazard 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 , High Surf Advisory
Hawaii - Record Report
Idaho - Wind Advisory , Special Statement , Record Report , Public Information Statement
Illinois -
Indiana -
Kansas - Flood Watch , Frost Advisory , Freeze Watch
Louisiana - Storm Surge Warning, Tropical Storm Warning
Massachusetts -
Michigan - Record Report
Minnesota - Flood Warning , Record Report
Missouri - Flood Warning , Flood Watch
Montana - Lake Wind Advisory , High Wind Warning , High Wind Watch
Nebraska - Freeze Watch , Public Information Statement
Nevada - Lake Wind Advisory
New Mexico - High Wind Warning , Freeze Watch
New York -
North Carolina -
North Dakota - Wind Advisory , Public Information Statement , Public Information Statement
Ohio -
Oklahoma - Flood Warning
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 - Tropical Storm Warning , Storm Surge Watch, Tropical Storm Warning , Coastal Flood Advisory , High Wind Warning , Beach Hazard Statement
Utah - Record Report
Virginia -
Washington - Areal Flood Watch , Flash Flood Watch, Areal Flood Watch , Flash Flood Watch , Wind Advisory , High Wind Warning , Winter Weather Advisory
Wisconsin -
Wyoming - High Wind Warning , High Wind Watch , Special Statement

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