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Excessive Heat Warning


URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
714 PM PDT MON SEP 15 2014

...GUSTY NORTHWEST TO NORTH WINDS FOR SOUTHERN SANTA BARBARA COUNTY...

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

.A STRENGTHENING NORTH-SOUTH PRESSURE GRADIENT IS GENERATING GUSTY
SUNDOWNER WINDS THROUGH THE SANTA YNEZ RANGE AND THE SOUTH COAST
OF SANTA BARBARA COUNTY. THROUGH TONIGHT...WIND GUSTS BETWEEN 35
AND 45 MPH CAN BE EXPECTED THROUGH AND BELOW PASSES AND CANYONS.

A STRONG RIDGE OF HIGH PRESSURE WILL MAINTAIN VERY HOT WEATHER
AND NEAR RECORD TEMPERATURES THROUGH TUESDAY OVER MUCH OF THE
AREA. 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 EACH DAY 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.

CAZ046-161100-
/O.CON.KLOX.EH.W.0002.000000T0000Z-140917T0200Z/
SANTA MONICA MOUNTAINS RECREATIONAL AREA-
INCLUDING THE CITY OF...TOPANGA
714 PM PDT MON SEP 15 2014

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM PDT
TUESDAY...

* HEAT INDEX...HEAT INDEX VALUES BETWEEN 102 AND 110 DEGREES ARE
  EXPECTED DURING THE LATE MORNING THROUGH EARLY EVENING HOURS
  THROUGH TUESDAY. OVERNIGHT MINIMUM HEAT INDEX VALUES WILL BE
  MOSTLY IN THE 70S. 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
714 PM PDT MON SEP 15 2014

...GUSTY NORTHWEST TO NORTH WINDS FOR SOUTHERN SANTA BARBARA COUNTY...

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

.A STRENGTHENING NORTH-SOUTH PRESSURE GRADIENT IS GENERATING GUSTY
SUNDOWNER WINDS THROUGH THE SANTA YNEZ RANGE AND THE SOUTH COAST
OF SANTA BARBARA COUNTY. THROUGH TONIGHT...WIND GUSTS BETWEEN 35
AND 45 MPH CAN BE EXPECTED THROUGH AND BELOW PASSES AND CANYONS.

A STRONG RIDGE OF HIGH PRESSURE WILL MAINTAIN VERY HOT WEATHER
AND NEAR RECORD TEMPERATURES THROUGH TUESDAY OVER MUCH OF THE
AREA. 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 EACH DAY 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.

CAZ044-045-088-547-548-161100-
/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
714 PM PDT MON SEP 15 2014

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM PDT
TUESDAY...

* HEAT INDEX...HEAT INDEX VALUES BETWEEN 105 AND 110 DEGREES ARE
  EXPECTED DURING THE LATE MORNING THROUGH EARLY EVENING HOURS
  THROUGH TUESDAY. OVERNIGHT MINIMUM HEAT INDEX VALUES WILL BE
  MOSTLY IN THE 70S. 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.

&&

$$

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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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