269  
WWUS76 KLOX 220908  
NPWLOX  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA  
208 AM PDT SUN OCT 22 2017  
 
...EXCESSIVE HEAT WARNING IN EFFECT FOR LOS ANGELES AND VENTURA  
COUNTY COAST AND VALLEYS MONDAY AND TUESDAY...  
 
...EXCESSIVE HEAT WATCH FOR THE SANTA BARBARA COUNTY SOUTH COAST  
MONDAY AND TUESDAY...  
 
...GUSTY NORTHEAST WINDS IN MANY AREAS THROUGH MONDAY WITH  
POTENTIALLY STRONG WINDS ACROSS MOUNTAINS MONDAY NIGHT AND  
TUESDAY...  
 
.A SANTA ANA WIND EVENT IS EXPECTED TO BRING NORTHEAST WINDS  
ACROSS EASTERN VENTURA AND WESTERN LOS ANGELES COUNTIES TODAY  
AND ACROSS THE CENTRAL COAST THROUGH TONIGHT. A STRONGER SANTA  
ANA WIND EVENT COULD DEVELOP MONDAY NIGHT AND TUESDAY AS ANOTHER  
SURGE OF AIR FROM THE GREAT BASIN COMBINES WITH A TIGHT PRESSURE  
GRADIENT OVER SOUTHWEST CALIFORNIA.  
 
STRONG HIGH PRESSURE IN COMBINATION WITH THE WINDS WILL PRODUCE  
RECORD SETTING HIGH TEMPERATURES ACROSS SOUTHWEST CALIFORNIA. THE  
HOTTEST DAYS ARE EXPECTED TO BE MONDAY AND TUESDAY WHEN HIGHS  
APPROACH OR EXCEED 100 DEGREES EVEN WITHIN A MILE OF THE OCEAN.  
PEOPLE LIVING IN COASTAL AREAS WITHOUT AIR CONDITIONING SHOULD  
TAKE PRECAUTIONS TO AVOID HEAT ILLNESS AND HEAT STRESS. LOW  
TEMPERATURES WILL REMAIN IN THE 70S AND POSSIBLY LOWER 80S WHERE  
WINDS PERSIST DURING THE NIGHTTIME HOURS IN VENTURA AND LOS  
ANGELES COUNTIES. THIS IS A VERY UNUSUAL LATE SEASON HEAT WAVE  
AND SHOULD NOT BE TAKEN LIGHTLY!  
 
CAZ044-045-088-547-222100-  
/O.CON.KLOX.EH.W.0006.171023T1700Z-171025T0300Z/  
/O.CON.KLOX.WI.Y.0068.000000T0000Z-171022T2100Z/  
VENTURA COUNTY INTERIOR VALLEYS-VENTURA COUNTY COASTAL VALLEYS-  
SANTA CLARITA VALLEY-LOS ANGELES COUNTY SAN FERNANDO VALLEY-  
INCLUDING THE CITIES OF SANTA PAULA, FILLMORE, OJAI, PIRU,  
THOUSAND OAKS, SIMI VALLEY, MOORPARK, NEWBURY PARK,  
SANTA CLARITA, NEWHALL, VALENCIA, WOODLAND HILLS, NORTHRIDGE,  
BURBANK, AND UNIVERSAL CITY  
208 AM PDT SUN OCT 22 2017  
 
...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 PM PDT THIS  
AFTERNOON...  
...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 10 AM MONDAY TO  
8 PM PDT TUESDAY...  
 
* TEMPERATURES...100-106 DEGREES ON MONDAY AND TUESDAY.  
OVERNIGHT LOWS IN THE 70S AND POSSIBLY LOWER 80S IN THE  
FOOTHILLS.  
 
* WINDS...NORTHEAST 15 TO 25 MPH WITH GUSTS TO 40 MPH THROUGH  
EARLY THIS AFTERNOON.  
 
* IMPACTS...THE VERY HIGH TEMPERATURES CREATE A DANGEROUS  
SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE. TEMPERATURES  
INSIDE VEHICLES, EVEN IF THE WINDOWS ARE PARTIALLY OPEN, CAN  
QUICKLY RISE TO LIFE-THREATENING LEVELS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
TAKE EXTRA PRECAUTIONS MONDAY THROUGH TUESDAY 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.  
 
NEVER, EVER, LEAVE PEOPLE OR PETS IN ENCLOSED VEHICLES, EVEN FOR  
A SHORT PERIOD OF TIME.  
 
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.  
 
WHEN DRIVING, USE EXTRA CAUTION. BE PREPARED FOR SUDDEN GUSTY  
CROSS WINDS.  
 

 
 

 
 
CAZ040-041-046-548-222100-  
/O.CON.KLOX.EH.W.0006.171023T1700Z-171025T0300Z/  
VENTURA COUNTY COAST-  
LOS ANGELES COUNTY COAST INCLUDING DOWNTOWN LOS ANGELES-  
SANTA MONICA MOUNTAINS RECREATIONAL AREA-  
LOS ANGELES COUNTY SAN GABRIEL VALLEY-  
INCLUDING THE CITIES OF VENTURA, OXNARD, CAMARILLO, MALIBU,  
SANTA MONICA, BEVERLY HILLS, HOLLYWOOD, LONG BEACH, PASADENA,  
SAN GABRIEL, AND POMONA  
208 AM PDT SUN OCT 22 2017  
 
...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 10 AM MONDAY TO  
8 PM PDT TUESDAY...  
 
* TEMPERATURES...100-106 DEGREES ON MONDAY AND TUESDAY.  
OVERNIGHT LOWS IN THE 70S. ISOLATED LOWER 80S POSSIBLE IN THE  
FOOTHILLS.  
 
* IMPACTS...THE VERY HIGH TEMPERATURES CREATE A DANGEROUS  
SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE. TEMPERATURES  
INSIDE VEHICLES, EVEN IF THE WINDOWS ARE PARTIALLY OPEN, CAN  
QUICKLY RISE TO LIFE-THREATENING LEVELS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
TAKE EXTRA PRECAUTIONS MONDAY THROUGH TUESDAY 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.  
 
NEVER, EVER, LEAVE PEOPLE OR PETS IN ENCLOSED VEHICLES, EVEN FOR  
A SHORT PERIOD OF TIME.  
 
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.  
 

 
 

 
 
CAZ087-222100-  
/O.CON.KLOX.EH.W.0006.171023T1700Z-171025T0300Z/  
CATALINA AND SANTA BARBARA ISLANDS-  
INCLUDING THE CITY OF AVALON  
208 AM PDT SUN OCT 22 2017  
 
...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 10 AM MONDAY TO  
8 PM PDT TUESDAY...  
 
* TEMPERATURE...90 TO 100 DEGREES ON MONDAY AND TUESDAY.  
 
* IMPACTS...THE VERY HIGH TEMPERATURES CREATE A DANGEROUS  
SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE. TEMPERATURES  
INSIDE VEHICLES, EVEN IF THE WINDOWS ARE PARTIALLY OPEN, CAN  
QUICKLY RISE TO LIFE-THREATENING LEVELS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
TAKE EXTRA PRECAUTIONS MONDAY AND TUESDAY 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.  
 

 
 

 
 
CAZ034-035-051-222100-  
/O.CON.KLOX.WI.Y.0068.000000T0000Z-171023T1200Z/  
SAN LUIS OBISPO COUNTY CENTRAL COAST-  
SANTA BARBARA COUNTY CENTRAL COAST-  
SAN LUIS OBISPO COUNTY MOUNTAINS-  
INCLUDING THE CITIES OF SAN LUIS OBISPO, PISMO BEACH, MORRO BAY,  
CAMBRIA, SAN SIMEON, SANTA MARIA, LOMPOC, VANDENBERG,  
AND BLACK MOUNTAIN  
208 AM PDT SUN OCT 22 2017  
   
..WIND ADVISORY REMAINS IN EFFECT UNTIL 5 AM PDT MONDAY
 
 
* WINDS...NORTHEAST TO EAST WINDS 15 TO 25 MPH WITH GUSTS TO 40  
MPH AT TIMES THROUGH LATE TONIGHT.  
 
* IMPACTS...GUSTY WINDS COULD CREATE TRAVEL DIFFICULTY FOR HIGH  
PROFILE VEHICLES.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
WHEN DRIVING, USE EXTRA CAUTION. BE PREPARED FOR SUDDEN GUSTY  
CROSS WINDS.  
 

 
 

 
 
CAZ039-222100-  
/O.CON.KLOX.EH.A.0005.171023T1700Z-171025T0300Z/  
SANTA BARBARA COUNTY SOUTH COAST-  
INCLUDING THE CITIES OF SANTA BARBARA, MONTECITO, AND CARPINTERIA  
208 AM PDT SUN OCT 22 2017  
 
...EXCESSIVE HEAT WATCH REMAINS IN EFFECT FROM MONDAY MORNING  
THROUGH TUESDAY EVENING...  
 
* TEMPERATURES...90 TO 100 DEGREES MONDAY AND TUESDAY AFTERNOON.  
 
* IMPACTS...THE VERY HIGH TEMPERATURES COULD CREATE A DANGEROUS  
SITUATION IN WHICH HEAT ILLNESSES ARE POSSIBLE. TEMPERATURES  
INSIDE VEHICLES, EVEN IF THE WINDOWS ARE PARTIALLY OPEN, CAN  
QUICKLY RISE TO LIFE-THREATENING LEVELS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
TAKE EXTRA PRECAUTIONS MONDAY AND TUESDAY 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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