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Excessive Heat Warning

July 16, 2010
...EXCESSIVE HEAT WARNING IN EFFECT THROUGH SATURDAY EVENING FOR
THE SANTA CLARITA...SAN FERNANDO...AND VENTURA COUNTY
VALLEYS...AND THE LOS ANGELES AND VENTURA COUNTY MOUNTAINS
INCLUDING THE SANTA MONICA RANGE...

.A HOT AIR MASS WILL REMAIN IN PLACE OVER THE AREA THROUGH THE
WEEKEND FROM A STRONG HIGH PRESSURE SYSTEM OVER THE DESERT
SOUTHWEST. NEAR RECORD HIGH TEMPERATURES ARE EXPECTED ACROSS MUCH
OF THE AREA THROUGH SATURDAY...WITH TEMPERATURES CLIMBING TO OVER

100 DEGREES ACROSS INTERIOR SECTIONS OF THE FORECAST AREA
INCLUDING THE LOWER MOUNTAIN ELEVATIONS AND PORTIONS OF THE LOS
ANGELES AND VENTURA COUNTY VALLEYS. MONSOONAL MOISTURE EMBEDDED
IN THE SOUTHEAST FLOW ALOFT AROUND HIGH PRESSURE CIRCULATION WILL

ALSO FILTER INTO THE AREA. THE COMBINATION OF HEAT AND INCREASED
HUMIDITY WILL ADD TO THE DISCOMFORT LEVEL.

CAZ046-162100-
/O.CON.KLOX. EH.W.0001. 000000T0000Z- 100718T0400Z/
SANTA MONICA MOUNTAINS RECREATIONAL AREA-

INCLUDING... TOPANGA
535 AM PDT FRI JUL 16 2010

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM PDT
SATURDAY...

THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS CONTINUED
AN EXCESSIVE HEAT WARNING FOR THE SANTA MONICA MOUNTAINS. THIS

WARNING REMAINS IN EFFECT UNTIL 9 PM PDT SATURDAY.

* TEMPERATURE: HEAT INDEX READINGS...A MEASURE OF THE LEVEL OF
  DISCOMFORT CAUSED BY THE COMBINATION OF HEAT AND HUMIDITY...
  WILL RISE TO AROUND 105 DEGREES DURING THE LATE MORNING THROUGH

  EARLY EVENING HOURS EACH DAY. THE HIGHEST HEAT INDEX VALUES
  WILL LIKELY OCCUR ALONG THE INTERIOR SLOPES.

* IMPACTS: HEAT STROKE...HEAT EXHAUSTION.. .HEAT CRAMPS AND
  SUNBURN COULD BE POSSIBLE.

PRECAUTIONARY/ PREPAREDNESS ACTIONS...

AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED PERIOD OF
DANGEROUSLY HOT TEMPERATURES WILL OCCUR. THE COMBINATION OF HOT
TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A DANGEROUS
SITUATION IN WHICH HEAT ILLNESSES ARE LIKELY. DRINK PLENTY OF

FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN...
AND CHECK UP ON RELATIVES AND NEIGHBORS. NEVER EVER LEAVE
CHILDREN...THE ELDERLY OR PETS IN ENCLOSED AUTOMOBILES. ..EVEN FOR
A SHORT PERIOD OF TIME. EVEN IF THE WINDOWS ARE PARTIALLY OPEN...

TEMPERATURES CAN QUICKLY RISE TO LIFE THREATENING LEVELS.

&&

$$

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
535 AM PDT FRI JUL 16 2010

...EXCESSIVE HEAT WARNING IN EFFECT THROUGH SATURDAY EVENING FOR

THE SANTA CLARITA...SAN FERNANDO...AND VENTURA COUNTY
VALLEYS...AND THE LOS ANGELES AND VENTURA COUNTY MOUNTAINS
INCLUDING THE SANTA MONICA RANGE...

.A HOT AIR MASS WILL REMAIN IN PLACE OVER THE AREA THROUGH THE

WEEKEND FROM A STRONG HIGH PRESSURE SYSTEM OVER THE DESERT
SOUTHWEST. NEAR RECORD HIGH TEMPERATURES ARE EXPECTED ACROSS MUCH
OF THE AREA THROUGH SATURDAY...WITH TEMPERATURES CLIMBING TO OVER
100 DEGREES ACROSS INTERIOR SECTIONS OF THE FORECAST AREA

INCLUDING THE LOWER MOUNTAIN ELEVATIONS AND PORTIONS OF THE LOS
ANGELES AND VENTURA COUNTY VALLEYS. MONSOONAL MOISTURE EMBEDDED
IN THE SOUTHEAST FLOW ALOFT AROUND HIGH PRESSURE CIRCULATION WILL
ALSO FILTER INTO THE AREA. THE COMBINATION OF HEAT AND INCREASED

HUMIDITY WILL ADD TO THE DISCOMFORT LEVEL.

CAZ044-045-162100-
/O.EXT.KLOX. EH.W.0001. 100716T1235Z- 100718T0400Z/
VENTURA COUNTY INTERIOR VALLEYS-VENTURA COUNTY COASTAL VALLEYS-
INCLUDING... SANTA PAULA...FILLMORE. ..OJAI... PIRU...

THOUSAND OAKS...NEWBURY PARK...MOORPARK. ..SIMI VALLEY
535 AM PDT FRI JUL 16 2010

...EXCESSIVE HEAT WARNING NOW IN EFFECT UNTIL 9 PM PDT SATURDAY...

THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS MODIFIED

AN EXCESSIVE HEAT WARNING FOR THE VENTURA COUNTY VALLEYS. THIS
WARNING IS NOW IN EFFECT UNTIL 9 PM PDT SATURDAY.

* TEMPERATURE: HEAT INDEX READINGS...A MEASURE OF THE LEVEL OF
  DISCOMFORT CAUSED BY THE COMBINATION OF HEAT AND HUMIDITY...

  WILL RISE TO AROUND 105 DEGREES DURING THE LATE MORNING THROUGH
  EARLY EVENING HOURS EACH DAY.

* IMPACTS: HEAT STROKE...HEAT EXHAUSTION.. .HEAT CRAMPS AND
  SUNBURN COULD BE POSSIBLE.

PRECAUTIONARY/ PREPAREDNESS ACTIONS...

AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED PERIOD OF
DANGEROUSLY HOT TEMPERATURES WILL OCCUR. THE COMBINATION OF HOT
TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A DANGEROUS
SITUATION IN WHICH HEAT ILLNESSES ARE LIKELY. DRINK PLENTY OF

FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN...
AND CHECK UP ON RELATIVES AND NEIGHBORS. ALSO...NEVER EVER LEAVE
CHILDREN...THE ELDERLY OR PETS IN ENCLOSED AUTOMOBILES. ..EVEN FOR
A SHORT PERIOD OF TIME. EVEN IF THE WINDOWS ARE PARTIALLY OPEN...

TEMPERATURES CAN QUICKLY RISE TO LIFE THREATENING LEVELS.

&&

$$

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
535 AM PDT FRI JUL 16 2010

...EXCESSIVE HEAT WARNING IN EFFECT THROUGH SATURDAY EVENING FOR

THE SANTA CLARITA...SAN FERNANDO...AND VENTURA COUNTY
VALLEYS...AND THE LOS ANGELES AND VENTURA COUNTY MOUNTAINS
INCLUDING THE SANTA MONICA RANGE...

.A HOT AIR MASS WILL REMAIN IN PLACE OVER THE AREA THROUGH THE

WEEKEND FROM A STRONG HIGH PRESSURE SYSTEM OVER THE DESERT
SOUTHWEST. NEAR RECORD HIGH TEMPERATURES ARE EXPECTED ACROSS MUCH
OF THE AREA THROUGH SATURDAY...WITH TEMPERATURES CLIMBING TO OVER
100 DEGREES ACROSS INTERIOR SECTIONS OF THE FORECAST AREA

INCLUDING THE LOWER MOUNTAIN ELEVATIONS AND PORTIONS OF THE LOS
ANGELES AND VENTURA COUNTY VALLEYS. MONSOONAL MOISTURE EMBEDDED
IN THE SOUTHEAST FLOW ALOFT AROUND HIGH PRESSURE CIRCULATION WILL
ALSO FILTER INTO THE AREA. THE COMBINATION OF HEAT AND INCREASED

HUMIDITY WILL ADD TO THE DISCOMFORT LEVEL.

CAZ053-054-162100-
/O.CON.KLOX. EH.W.0001. 000000T0000Z- 100718T0400Z/
VENTURA COUNTY MOUNTAINS-
LOS ANGELES COUNTY MOUNTAINS EXCLUDING THE SANTA MONICA RANGE-
INCLUDING... LOCKWOOD VALLEY...MOUNT PINOS...ACTON. ..

MOUNT WILSON...SANDBERG
535 AM PDT FRI JUL 16 2010

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM PDT
SATURDAY...

THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS CONTINUED
AN EXCESSIVE HEAT WARNING FOR THE LOS ANGELES AND VENTURA COUNTY

MOUNTAINS. THIS WARNING REMAINS IN EFFECT UNTIL 9 PM PDT SATURDAY.

* TEMPERATURE: HEAT INDEX READINGS...A MEASURE OF THE LEVEL OF
  DISCOMFORT CAUSED BY THE COMBINATION OF HEAT AND HUMIDITY...
  WILL RISE TO BETWEEN 100 AND 110 DEGREES IN THE LOWER MOUNTAIN

  ELEVATIONS BELOW 4000 FEET DURING THE LATE MORNING THROUGH
  EARLY EVENING HOURS EACH DAY.

* IMPACTS: HEAT STROKE...HEAT EXHAUSTION.. .HEAT CRAMPS AND
  SUNBURN COULD BE POSSIBLE.

PRECAUTIONARY/ PREPAREDNESS ACTIONS...

AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED PERIOD OF
DANGEROUSLY HOT TEMPERATURES WILL OCCUR. THE COMBINATION OF HOT
TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A DANGEROUS
SITUATION IN WHICH HEAT ILLNESSES ARE LIKELY. DRINK PLENTY OF

FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN...
AND CHECK UP ON RELATIVES AND NEIGHBORS. ALSO...NEVER EVER LEAVE
CHILDREN...THE ELDERLY OR PETS IN ENCLOSED AUTOMOBILES. ..EVEN FOR
A SHORT PERIOD OF TIME. EVEN IF THE WINDOWS ARE PARTIALLY OPEN...

TEMPERATURES CAN QUICKLY RISE TO LIFE THREATENING LEVELS.

&&

$$

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
535 AM PDT FRI JUL 16 2010

...EXCESSIVE HEAT WARNING IN EFFECT THROUGH SATURDAY EVENING FOR

THE SANTA CLARITA...SAN FERNANDO...AND VENTURA COUNTY
VALLEYS...AND THE LOS ANGELES AND VENTURA COUNTY MOUNTAINS
INCLUDING THE SANTA MONICA RANGE...

.A HOT AIR MASS WILL REMAIN IN PLACE OVER THE AREA THROUGH THE

WEEKEND FROM A STRONG HIGH PRESSURE SYSTEM OVER THE DESERT
SOUTHWEST. NEAR RECORD HIGH TEMPERATURES ARE EXPECTED ACROSS MUCH
OF THE AREA THROUGH SATURDAY...WITH TEMPERATURES CLIMBING TO OVER
100 DEGREES ACROSS INTERIOR SECTIONS OF THE FORECAST AREA

INCLUDING THE LOWER MOUNTAIN ELEVATIONS AND PORTIONS OF THE LOS
ANGELES AND VENTURA COUNTY VALLEYS. MONSOONAL MOISTURE EMBEDDED
IN THE SOUTHEAST FLOW ALOFT AROUND HIGH PRESSURE CIRCULATION WILL
ALSO FILTER INTO THE AREA. THE COMBINATION OF HEAT AND INCREASED

HUMIDITY WILL ADD TO THE DISCOMFORT LEVEL.

CAZ088-547-162100-
/O.CON.KLOX. EH.W.0001. 000000T0000Z- 100718T0400Z/
SANTA CLARITA VALLEY-LOS ANGELES COUNTY SAN FERNANDO VALLEY-
INCLUDING... SANTA CLARITA...NEWHALL. ..VALENCIA. ..WOODLAND HILLS...

NORTHRIDGE.. .BURBANK. ..UNIVERSAL CITY
535 AM PDT FRI JUL 16 2010

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM PDT
SATURDAY...

THE NATIONAL WEATHER SERVICE IN LOS ANGELES/OXNARD HAS CONTINUED

AN EXCESSIVE HEAT WARNING FOR THE SANTA CLARITA AND SAN FERNANDO
VALLEYS. THIS WARNING REMAINS IN EFFECT UNTIL 9 PM PDT SATURDAY.

* TEMPERATURE: HEAT INDEX READINGS...A MEASURE OF THE LEVEL OF
  DISCOMFORT CAUSED BY THE COMBINATION OF HEAT AND HUMIDITY...

  WILL RISE TO BETWEEN 105 AND 113 DEGREES DURING THE LATE
  MORNING THROUGH EARLY EVENING HOURS EACH DAY.

* IMPACTS: HEAT STROKE...HEAT EXHAUSTION.. .HEAT CRAMPS AND
  SUNBURN COULD BE POSSIBLE.

PRECAUTIONARY/ PREPAREDNESS ACTIONS...

AN EXCESSIVE HEAT WARNING MEANS THAT A PROLONGED PERIOD OF
DANGEROUSLY HOT TEMPERATURES WILL OCCUR. THE COMBINATION OF HOT
TEMPERATURES AND HIGH HUMIDITY WILL COMBINE TO CREATE A DANGEROUS
SITUATION IN WHICH HEAT ILLNESSES ARE LIKELY. DRINK PLENTY OF

FLUIDS...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN...
AND CHECK UP ON RELATIVES AND NEIGHBORS. NEVER EVER LEAVE
CHILDREN...THE ELDERLY OR PETS IN ENCLOSED AUTOMOBILES. ..EVEN FOR
A SHORT PERIOD OF TIME. EVEN IF THE WINDOWS ARE PARTIALLY OPEN...

TEMPERATURES CAN QUICKLY RISE TO LIFE THREATENING LEVELS.

&&

$$

HALL

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
328 AM PDT FRI JUL 16 2010

...AN EXCESSIVE HEAT WARNING IS IN EFFECT FOR MUCH OF THE MOJAVE

DESERT TODAY AND SATURDAY - AND AN EXCESSIVE HEAT WATCH HAS BEEN
ISSUED FOR SUNDAY...

.A STRONG AREA OF HIGH PRESSURE OVER THE AREA WILL LEAD TO A
PERIOD OF HOT TEMPERATURES. INCREASING MONSOONAL MOISTURE WILL

ALSO LEAD TO HIGHER RELATIVE HUMIDITY. IF PRECAUTIONS ARE NOT
TAKEN...SOME FOLKS MAY BE OVERCOME BY THE HEAT AND SUFFER HEAT
ILLNESS.

AZZ002-003-036- CAZ522>527-NVZ016-017- 020>022-162300-
/O.CON.KVEF. EH.W.0002. 100716T1900Z- 100718T0400Z/

/O.CON.KVEF. EH.A.0003. 100718T1900Z- 100719T0400Z/
LAKE HAVASU AND FORT MOHAVE-NORTHWEST DESERTS-
LAKE MEAD NATIONAL RECREATION AREA-DEATH VALLEY NATIONAL PARK-
WESTERN MOJAVE DESERT-EASTERN MOJAVE DESERT-MORONGO BASIN-

CADIZ BASIN-SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY-
NORTHEAST CLARK COUNTY-WESTERN CLARK AND SOUTHERN NYE COUNTY-
LAS VEGAS VALLEY-SOUTHERN CLARK COUNTY-
INCLUDING THE CITIES OF...LAKE HAVASU...DESERT HILLS...TOPOCK. ..

KINGMAN...GOLDEN VALLEY...DOLAN SPRINGS...VALENTINE ...WIKIEUP. ..
YUCCA...BULLHEAD CITY...MOHAVE VALLEY...FURNACE CREEK...SHOSHONE. ..
BARSTOW...DAGGETT. ..FORT IRWIN...BAKER. ..MOUNTAIN PASS...
MITCHELL CAVERNS...MORONGO VALLEY...YUCCA VALLEY...

TWENTYNINE PALMS...VIDAL JUNCTION...NEEDLES. ..MESQUITE. ..OVERTON. ..
MOAPA...PAHRUMP. ..INDIAN SPRINGS...DESERT ROCK...AMARGOSA VALLEY...
LAS VEGAS...NORTH LAS VEGAS...HENDERSON. ..BOULDER CITY...
SUMMERLIN... NELLIS... MOUNTAINS EDGE...SEVEN HILLS...BLUE DIAMOND...

HOOVER DAM...LAUGHLIN. ..PRIMM.. .SEARCHLIGHT. ..CAL-NEV- ARI
328 AM PDT FRI JUL 16 2010 /328 AM MST FRI JUL 16 2010/

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM NOON PDT /NOON
MST/ TODAY TO 9 PM PDT /9 PM MST/ SATURDAY...

...EXCESSIVE HEAT WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON
THROUGH SUNDAY EVENING...

AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM NOON PDT /NOON
MST/ TODAY TO 9 PM PDT /9 PM MST/ SATURDAY. AN EXCESSIVE HEAT WATCH

REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING.

THE EXCESSIVE HEAT WARNING COVERS ELEVATIONS BELOW 4000 FEET FOR
CLARK AND SOUTHERN NYE COUNTIES IN SOUTHERN NEVADA...SOUTHERN
MOHAVE COUNTY IN ARIZONA...THE DESERTS OF SAN BERNARDINO COUNTY AS

WELL AS DEATH VALLEY NATIONAL PARK IN EASTERN CALIFORNIA.

* EXPECTED TEMPERATURE: 108 TO 115 DEGREES IN THE LAS VEGAS
  VALLEY...AROUND 112 DEGREES AT PAHRUMP AND BARSTOW...115 TO 118
  DEGREES FROM MESQUITE SOUTH DOWN THE COLORADO RIVER VALLEY TO

  LAKE HAVASU CITY...122 TO 125 DEGREES AT FURNACE CREEK IN DEATH
  VALLEY NATIONAL PARK AND 104 TO 106 DEGREES AT KINGMAN. IN
  ADDITION...INCREASI NG MONSOONAL MOISTURE WILL LEAD TO HIGHER
  HEAT INDEX VALUES MAKING IT FEEL SEVERAL DEGREES HOTTER THAN IT

  DID THURSDAY WITH SIMILAR TEMPERATURES.

* GREATEST IMPACT AREAS: THE HOTTEST TEMPERATURES WILL OCCUR
  WITHIN THE COLORADO RIVER VALLEY AND DEATH VALLEY NATIONAL
  PARK. PLAN ANY OUTDOOR ACTIVITIES IN THE EARLY MORNING OR IN

  THE EVENING AFTER SUNSET.

PRECAUTIONARY/ PREPAREDNESS ACTIONS...

AN EXCESSIVE HEAT WARNING MEANS THAT DANGEROUSLY HOT TEMPERATURES
ARE EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGHER THAN
NORMAL HUMIDITY WILL COMBINE TO CREATE A DANGEROUS SITUATION IN

WHICH HEAT EXHAUSTION AND HEAT STROKE ARE POSSIBLE. DRINK PLENTY OF
WATER...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN...AND
CHECK UP ON RELATIVES AND NEIGHBORS.

&&

$$

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
328 AM PDT FRI JUL 16 2010

...AN EXCESSIVE HEAT WARNING IS IN EFFECT FOR MUCH OF THE MOJAVE
DESERT TODAY AND SATURDAY - AND AN EXCESSIVE HEAT WATCH HAS BEEN

ISSUED FOR SUNDAY...

.A STRONG AREA OF HIGH PRESSURE OVER THE AREA WILL LEAD TO A
PERIOD OF HOT TEMPERATURES. INCREASING MONSOONAL MOISTURE WILL
ALSO LEAD TO HIGHER RELATIVE HUMIDITY. IF PRECAUTIONS ARE NOT

TAKEN...SOME FOLKS MAY BE OVERCOME BY THE HEAT AND SUFFER HEAT
ILLNESS.

CAZ520-162300-
/O.CON.KVEF. EH.W.0002. 100716T1900Z- 100718T0400Z/
OWENS VALLEY-
INCLUDING THE CITIES OF...BISHOP. ..INDEPENDENCE. ..LONE PINE...

OLANCHA
328 AM PDT FRI JUL 16 2010

...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM
PDT SATURDAY...

AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM
PDT SATURDAY.

* EXPECTED TEMPERATURE: 100 TO 108 DEGREES IN THE OWENS VALLEY.

* GREATEST IMPACT AREAS: THE HOTTEST TEMPERATURES WILL OCCUR
  FROM LATE MORNING THROUGH EARLY EVENING. PLAN ANY OUTDOOR
  ACTIVITIES IN THE EARLY MORNING OR LATE EVENING AFTER SUNSET.

PRECAUTIONARY/ PREPAREDNESS ACTIONS...

AN EXCESSIVE HEAT WARNING MEANS THAT DANGEROUSLY HOT TEMPERATURES
ARE EXPECTED. THE COMBINATION OF HOT TEMPERATURES AND HIGHER THAN
NORMAL HUMIDITY WILL COMBINE TO CREATE A DANGEROUS SITUATION IN

WHICH HEAT EXHAUSTION AND HEAT STROKE ARE POSSIBLE. DRINK PLENTY OF
WATER...STAY IN AN AIR-CONDITIONED ROOM...STAY OUT OF THE SUN...AND
CHECK UP ON RELATIVES AND NEIGHBORS.

Source: http://forecast. weather.gov/ wwamap/wwatxtget .php?cwa= lox&wwa=excessive% 20heat%20warning

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