Non-Precipitation Warnings / Watches / Advisories
Issued by NWS San Diego, CA

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NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
250 AM PDT Fri Oct 20 2017

...GUSTY WEST WINDS IN PORTIONS OF THE MOUNTAINS AND DESERTS
TODAY...

...UNSEASONABLY HOT WEATHER IN THE COASTAL AREAS AND VALLEYS
MONDAY AND TUESDAY...

.A trough moving inland across the West Coast will bring gusty
west winds in portions of the mountains and deserts today,
diminishing tonight. Santa Ana Winds and strong high pressure
aloft will develop this weekend and bring a strong warming trend.
By Monday, many locations west of the mountains will have
temperatures at or above 100 degrees. Tuesday will likely be the
hottest day, with local temperatures around 105 degrees. In some
locations, maximum temperatures will be 25 degrees above late
October normals.

CAZ055-056-058-060-062-065-202100-
/O.NEW.KSGX.WI.Y.0030.171020T1200Z-171021T0400Z/
San Bernardino County Mountains-Riverside County Mountains-
San Diego County Mountains-Apple and Lucerne Valleys-
San Diego County Deserts-San Gorgonio Pass Near Banning-
Including the cities of Crestline, Lake Arrowhead, Big Bear City,
Big Bear Lake, Running Springs, Wrightwood, Idyllwild-Pine Cove,
Julian, Pine Valley, Victorville, Hesperia, Apple Valley,
Borrego Springs, Banning, and Desert Hot Springs
250 AM PDT Fri Oct 20 2017

...WIND ADVISORY IN EFFECT UNTIL 9 PM PDT THIS EVENING...

The National Weather Service in San Diego has issued a Wind
Advisory...which is in effect until 9 PM PDT this evening.

* WINDS...West winds 25 to 35 mph with gusts 45 to 55 mph.

* TIMING...Through this evening.

* LOCATION...Mainly north of Lucerne Valley and east of I-15 in
  the high desert, through the San Gorgonio Pass, along the ridges
  and desert slopes of the mountains, and locally into the San
  Diego County Deserts.

* VISIBILITY...Visibility locally reduced in blowing dust and
  sand.

* IMPACTS...Hazardous travel for high profile vehicles. Small
  tree limbs may be broken.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 35 mph are expected. Winds
this strong can make driving difficult...especially for high
profile vehicles. Use extra caution.

&&

$$

CAZ043-048-050-552-554-202100-
/O.CON.KSGX.EH.A.0005.171023T1700Z-171025T0300Z/
San Diego County Coastal Areas-
San Bernardino and Riverside County Valleys-The Inland Empire-
San Diego County Valleys-Orange County Coastal Areas-
Orange County Inland Areas-
Including the cities of Vista, Carlsbad, Encinitas, Chula Vista,
National City, San Diego, Riverside, San Bernardino, Ontario,
Moreno Valley, Fontana, Rancho Cucamonga, Corona, Escondido,
El Cajon, San Marcos, La Mesa, Santee, Poway, Huntington Beach,
Costa Mesa, Santa Ana, Anaheim, Garden Grove, Irvine, Orange,
Fullerton, and Mission Viejo
250 AM PDT Fri Oct 20 2017

...EXCESSIVE HEAT WATCH REMAINS IN EFFECT FROM MONDAY MORNING
THROUGH TUESDAY EVENING...

* TEMPERATURE...Daytime maximums between 98 and 106. Nighttime
  minimums in wind prone locations could remain in the 70s.

* 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.

&&

$$

ss



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