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Excessive Heat Warning


URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
754 AM PDT TUE SEP 16 2014

...DANGEROUSLY HOT WEATHER EXPECTED THROUGH TUESDAY...

.A STRONG RIDGE OF HIGH PRESSURE WILL MAINTAIN VERY HOT WEATHER
AND NEAR RECORD TEMPERATURES TODAY OVER MUCH OF THE AREA TODAY.
HEAT INDEX VALUES ARE EXPECTED TO RISE TO BETWEEN 100 AND 110
DEGREES DURING THE LATE MORNING THROUGH EARLY EVENING HOURS IN THE
VALLEYS OF LOS ANGELES AND VENTURA COUNTIES AND IN THE SANTA
MONICA MOUNTAINS.

HOT WEATHER IS ALSO EXPECTED IN LOWER ELEVATIONS OF THE MOUNTAINS
AND ACROSS THE ANTELOPE VALLEY...WITH HIGHS BETWEEN 98 AND
105 DEGREES. ACROSS THE COASTAL PLAIN...HIGHS WILL GENERALLY
RANGE FROM THE 80S AT THE BEACHES TO THE 90S TO NEAR 100 DEGREES
ACROSS INTERIOR SECTIONS.

THE WIND ADVISORY FOR THE SANTA BARBARA COUNTY SUNDOWNER WINDS HAS
BEEN CANCELLED.

CAZ044-045-088-547-548-162300-
/O.CON.KLOX.EH.W.0002.000000T0000Z-140917T0200Z/
VENTURA COUNTY INTERIOR VALLEYS-VENTURA COUNTY COASTAL VALLEYS-
SANTA CLARITA VALLEY-LOS ANGELES COUNTY SAN FERNANDO VALLEY-
LOS ANGELES COUNTY SAN GABRIEL VALLEY-
INCLUDING THE CITIES OF...SANTA PAULA...FILLMORE...OJAI...PIRU...
THOUSAND OAKS...NEWBURY PARK...MOORPARK...SIMI VALLEY...
SANTA CLARITA...NEWHALL...VALENCIA...WOODLAND HILLS...
NORTHRIDGE...BURBANK...UNIVERSAL CITY...PASADENA...SAN GABRIEL...
POMONA
754 AM PDT TUE SEP 16 2014

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM PDT THIS
EVENING...

* HEAT INDEX...HEAT INDEX VALUES BETWEEN 105 AND 110 DEGREES ARE
  EXPECTED LATE THIS MORNING THROUGH EARLY EVENING. HEAT INDEX
  VALUES REPRESENT HOW HOT IT REALLY FEELS WHEN RELATIVE
  HUMIDITY IS FACTORED IN WITH ACTUAL AIR TEMPERATURE.

* IMPACTS...THE COMBINATION OF HEAT AND HUMIDITY WILL CREATE A
  DANGEROUS SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE...
  ESPECIALLY FOR THE ELDERLY AND YOUTH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

NEVER...EVER...LEAVE PEOPLE OR PETS IN ENCLOSED VEHICLES...EVEN
FOR A SHORT PERIOD OF TIME WITH THE WINDOWS CRACKED OPEN.

TAKE EXTRA PRECAUTIONS 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.

&&

$$

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
754 AM PDT TUE SEP 16 2014

...DANGEROUSLY HOT WEATHER EXPECTED THROUGH TUESDAY...

.A STRONG RIDGE OF HIGH PRESSURE WILL MAINTAIN VERY HOT WEATHER
AND NEAR RECORD TEMPERATURES TODAY OVER MUCH OF THE AREA TODAY.
HEAT INDEX VALUES ARE EXPECTED TO RISE TO BETWEEN 100 AND 110
DEGREES DURING THE LATE MORNING THROUGH EARLY EVENING HOURS IN THE
VALLEYS OF LOS ANGELES AND VENTURA COUNTIES AND IN THE SANTA
MONICA MOUNTAINS.

HOT WEATHER IS ALSO EXPECTED IN LOWER ELEVATIONS OF THE MOUNTAINS
AND ACROSS THE ANTELOPE VALLEY...WITH HIGHS BETWEEN 98 AND
105 DEGREES. ACROSS THE COASTAL PLAIN...HIGHS WILL GENERALLY
RANGE FROM THE 80S AT THE BEACHES TO THE 90S TO NEAR 100 DEGREES
ACROSS INTERIOR SECTIONS.

THE WIND ADVISORY FOR THE SANTA BARBARA COUNTY SUNDOWNER WINDS HAS
BEEN CANCELLED.

CAZ046-162300-
/O.CON.KLOX.EH.W.0002.000000T0000Z-140917T0200Z/
SANTA MONICA MOUNTAINS RECREATIONAL AREA-
INCLUDING THE CITY OF...TOPANGA
754 AM PDT TUE SEP 16 2014

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM PDT THIS
EVENING...

* HEAT INDEX...HEAT INDEX VALUES BETWEEN 102 AND 110 DEGREES ARE
  EXPECTED LATE THIS MORNING THROUGH THE EARLY EVENING HOURS
  HEAT INDEX VALUES REPRESENT HOW HOT IT REALLY FEELS WHEN
  RELATIVE HUMIDITY IS FACTORED IN WITH ACTUAL AIR TEMPERATURE.

* IMPACTS...THE COMBINATION OF HEAT AND HUMIDITY WILL CREATE A
  DANGEROUS SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE...
  ESPECIALLY FOR THE ELDERLY AND YOUTH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

NEVER...EVER...LEAVE PEOPLE OR PETS IN ENCLOSED VEHICLES...EVEN
FOR A SHORT PERIOD OF TIME WITH THE WINDOWS CRACKED OPEN.

TAKE EXTRA PRECAUTIONS 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.

&&

$$

//KJ

U.S. Dept. of Commerce
NOAA National Weather Service
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Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
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