Full Notification

NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
611 AM PDT FRI AUG 14 2015

DANGEROUS HEAT ACROSS INTERIOR PORTIONS OF SOUTHWESTERN CALIFORNIA TODAY THROUGH SUNDAY

STRONG HIGH PRESSURE ALOFT AND WEAK ONSHORE FLOW WILL BRING A PERIOD OF VERY HOT WEATHER TO MUCH OF INTERIOR SOUTHWESTERN CALIFORNIA THROUGH SUNDAY. A COOLING TREND IS EXPECTED TO BEGIN ON MONDAY WITH MORE SIGNIFICANT COOLING BY THE MIDDLE OF NEXT WEEK.

EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM PDT SUNDAY.

MAXIMUM TEMPERATURES WILL REACH 102 TO 108 DEGREES IN MANY LOCATIONS IN THE VALLEYS OF LOS ANGELES AND VENTURA COUNTIES AS WELL AS IN THE SANTA MONICA MOUNTAINS EACH AFTERNOON THROUGH SUNDAY, WITH HEAT INDEX READINGS AROUND 105.

WARMEST PORTIONS OF THE LOS ANGELES COUNTY VALLEYS AND SANTA MONICA MOUNTAINS WILL HAVE OVERNIGHT LOW TEMPERATURES IN THE LOWER TO MID 70'S.

THE PROLONGED HEAT WAVE WILL BRING THE RISK OF HEAT RELATED ILLNESS THROUGH THE WEEKEND. THOSE AT HIGHEST RISK INCLUDE CHILDREN, THE ELDERLY, AND PETS WITHOUT ADEQUATE SHELTER. THE HEAT WILL BRING EXTRA DEMAND FOR ELECTRICITY ACROSS THE REGION, INCREASING THE THREAT OF POWER OUTAGES.

PRECAUTIONARY/PREPAREDNESS ACTIONS

NEVER, EVER, LEAVE PEOPLE OR PETS IN ENCLOSED VEHICLES, EVEN FOR A SHORT PERIOD OF TIME.

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.