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2 products issued by NWS for: Fontana CA
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Heat Advisory

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
1250 PM PDT SUN SEP 25 2016

...SANTA ANA CONDITIONS WILL CONTINUE THROUGH MONDAY ACROSS
SOUTHERN CALIFORNIA...

.STRONG HIGH PRESSURE ALOFT OFF THE CALIFORNIA COAST...AND
SURFACE HIGH PRESSURE OVER THE GREAT BASIN...WILL CONTINUE HOT
WEATHER...AND LOCALLY GUSTY WINDS INLAND THROUGH MONDAY. THE
WINDIEST AREAS WILL INCLUDE THE COASTAL MOUNTAIN FOOTHILLS...THE
SANTA ANA MOUNTAINS...AND EASTERN PORTIONS OF THE INLAND VALLEYS.
WINDS WILL WEAKEN SLIGHTLY ON MONDAY...MAINLY NORTH OF SAN DIEGO
COUNTY.

CAZ048-057-554-252300-
/O.CON.KSGX.HT.Y.0007.000000T0000Z-160927T0300Z/
/O.CON.KSGX.WI.Y.0034.000000T0000Z-160925T2300Z/
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-
SANTA ANA MOUNTAINS AND FOOTHILLS-ORANGE COUNTY INLAND AREAS-
INCLUDING THE CITIES OF...RIVERSIDE...SAN BERNARDINO...ONTARIO...
MORENO VALLEY...FONTANA...RANCHO CUCAMONGA...CORONA...SANTA ANA...
ANAHEIM...GARDEN GROVE...IRVINE...ORANGE...FULLERTON...
MISSION VIEJO
1250 PM PDT SUN SEP 25 2016

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT MONDAY...
...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM PDT THIS
AFTERNOON...

* WINDS...NORTHEAST 20 TO 30 MPH WITH GUSTS TO 45 MPH...EXCEPT
  GUSTS LOCALLY TO 55 MPH BELOW THE CAJON PASS AND THROUGH THE
  SANTA ANA MOUNTAINS.

* TIMING FOR WINDS...WINDS WEAKENING THROUGH THE AFTERNOON.

* LOCATION FOR WINDS...STRONGEST WINDS BELOW PASSES AND CANYONS
  AND NEAR THE COASTAL FOOTHILLS.

* TEMPERATURES...HIGHS IN THE VALLEYS AND INLAND ORANGE COUNTY
  OF 95 TO 105 WITH 90S IN THE SANTA ANA MOUNTAINS.

* IMPACTS...OVER EXPOSURE TO HEAT COULD LEAD TO HEAT ILLNESS
  ESPECIALLY FOR PEOPLE AT RISK...INCLUDING THE ELDERLY AND
  CHILDREN. PETS ARE ALSO AT RISK. HAZARDOUS DRIVING CONDITIONS
  FOR HIGH PROFILE VEHICLES.

* OUTLOOK..SLOW COOLING FOR TUESDAY WITH GREATER COOLING FOR
  WEDNESDAY.

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.

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.

&&

$$



Red Flag Warning

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
1224 PM PDT SUN SEP 25 2016

...PERIODS OF CRITICAL FIRE WEATHER CONDITIONS THROUGH MONDAY FOR
LOW HUMIDITY AND GUSTY SANTA ANA WINDS...

.STRONG HIGH PRESSURE ALOFT OFF THE CALIFORNIA COAST...AND
SURFACE HIGH PRESSURE OVER THE GREAT BASIN...WILL CONTINUE DRY
AND VERY WARM WEATHER THROUGH MONDAY WITH PERIODS OF GUSTY
NORTHEAST WINDS NEAR THE COASTAL FOOTHILLS AND INTO EASTERN
PORTIONS OF THE VALLEYS...INCLUDING INLAND ORANGE COUNTY. THE
MOST CRITICAL COMBINATION OF VERY LOW RELATIVE HUMIDITY...AND
STRONG WIND IS EXPECTED TODAY. ON MONDAY...NEAR RED FLAG
CONDITIONS ARE LIKELY...BUT THERE WILL BE LIGHTER WINDS NORTH OF
SAN DIEGO COUNTY AND HIGHER HUMIDITY OVER SAN DIEGO COUNTY.

CAZ248-250-257-265-554-260500-
/O.CON.KSGX.FW.W.0005.000000T0000Z-160926T2200Z/
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS - THE INLAND EMPIRE-
SAN DIEGO COUNTY INLAND VALLEYS-SANTA ANA MOUNTAINS-
INCLUDING THE TRABUCO RANGER DISTRICT OF THE CLEVELAND NATIONAL
FOREST-SAN GORGONIO PASS NEAR BANNING-ORANGE COUNTY INLAND AREAS-
1224 PM PDT SUN SEP 25 2016

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 3 PM PDT MONDAY FOR
STRONG GUSTY WINDS AND LOW HUMIDITY FOR THE SANTA ANA MOUNTAINS...
THE INLAND EMPIRE...AND INLAND ORANGE COUNTY...

* WINDS...AREAS OF NORTHEAST WINDS 15 TO 25 MPH WITH GUSTS TO 35
  MPH...EXCEPT 20 TO 30 MPH WITH GUSTS 45 MPH BELOW THE CAJON AND
  SAN GORGONIO PASSES...AND NEAR THE SANTA ANA MOUNTAINS AND
  FOOTHILLS THROUGH MONDAY MORNING.

* RELATIVE HUMIDITY...LOWEST OF 6 TO 12 PERCENT WITH POOR
  OVERNIGHT RECOVERY.

* OUTLOOK...INCREASING HUMIDITY...DECREASING WIND...AND GRADUAL
  COOLING TUESDAY INTO WEDNESDAY.

* IMPACTS...ANY FIRES THAT START MAY EXHIBIT EXTREME FIRE BEHAVIOR
  AND SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND HEAT WILL CONTRIBUTE
TO EXTREME FIRE BEHAVIOR.

&&

$$



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Page last modified: May 16, 2007
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