Excessive Heat Warning from the National Weather Service 06-27-13

Excessive Heat Warning

URGENT – WEATHER MESSAGE NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 422 AM PDT THU JUN 27 2013 …

EXCESSIVE HEAT CONDITIONS EXPECTED ACROSS PORTIONS OF SOUTHWEST CALIFORNIA FRIDAY THROUGH SUNDAY…

.A STRONG UPPER LEVEL RIDGE OF HIGH PRESSURE WILL BUILD OVER SOUTHERN CALIFORNIA…BRINGING A LONG DURATION HEAT WAVE TO INTERIOR SECTIONS FRIDAY THROUGH THE WEEKEND. RECORD OR NEAR RECORD HIGH TEMPERATURES ARE EXPECTED…WITH CRITICAL HEAT CONDITIONS DEVELOPING. THE AIR MASS WILL INITIALLY START OUT RELATIVELY DRY WITH THIS HEAT WAVE…BUT SOME MONSOONAL MOISTURE MAY BE PULLED INTO THE REGION BY SUNDAY OR MONDAY. THERE IS THE POSSIBILITY THAT EXCESSIVE HEAT WARNINGS MAY NEED TO BE EXTENDED BEYOND SUNDAY.

CAZ044-045-088-547-548-271930- /O.CON.KLOX.EH.W.0001.130629T1700Z-130701T0400Z/ 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

422 AM PDT THU JUN 27 2013 …EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 10 AM SATURDAY TO 9 PM PDT SUNDAY…

* TEMPERATURES AND HEAT INDEX…AFTERNOON TEMPERATURES ARE EXPECTED TO CLIMB TO BETWEEN 100 AND 106 DEGREES. HEAT INDEX VALUES (COMBINATION OF TEMPERATURE AND RELATIVE HUMIDITY) ARE EXPECTED TO HOVER AROUND 105 DEGREES EACH DAY. WARM TEMPERATURES WILL CONTINUE INTO THE NIGHTTIME HOURS…WITH WARMEST LOCATIONS SEEING MINIMUM TEMPERATURES IN THE 70S.

* IMPACTS…CHILDREN…THE ELDERLY…AND PEOPLE WITH CHRONIC AILMENTS ARE THE MOST SUSCEPTIBLE TO HEAT-RELATED ILLNESS. HEAT EXHAUSTION…CRAMPS…OR IN EXTREME CASES HEAT STROKE CAN RESULT FROM PROLONGED EXPOSURE TO THESE CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

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. ALSO…NEVER…EVER LEAVE CHILDREN…THE ELDERLY OR PETS IN ENCLOSED VEHICLES…EVEN FOR A SHORT PERIOD OF TIME. EVEN IF THE WINDOWS ARE PARTIALLY OPEN…TEMPERATURES CAN QUICKLY RISE TO LIFE-THREATENING LEVELS.

http://www.wrh.noaa.gov/FXC/make_img.php?wfo=sgx&iname=Active_Screen1L&size=1&force=no

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