RED FLAG WARNING:

...RED FLAG WARNING IN EFFECT FROM 4 AM TUESDAY TO 6 PM PDT
WEDNESDAY FOR THE VALLEYS OF VENTURA AND LOS ANGELES COUNTIES AS
WELL AS THE MOUNTAINS OF SANTA BARBARA AND SAN LUIS OBISPO COUNTIES
DUE TO GUSTY NORTHEAST WINDS AND LOW RELATIVE HUMIDITY...

...RED FLAG WARNING IN EFFECT FROM MIDNIGHT MONDAY NIGHT TO 9 PM PDT
WEDNESDAY FOR THE MOUNTAINS OF VENTURA AND LOS ANGELES COUNTIES
DUE TO GUSTY NORTHEAST WINDS AND LOW RELATIVE HUMIDITY...

.DISCUSSION...A STRONG UPPER LEVEL HIGH PRESSURE SYSTEM WILL BUILD
INTO NORTHERN CALIFORNIA ON MONDAY...AND REMAIN ANCHORED ACROSS THE
WESTERN STATES THROUGH AT LEAST THURSDAY. NEAR THE SURFACE...THE
FLOW IS EXPECTED TO TURN WEAKLY OFFSHORE BY MONDAY...THEN BECOME
MODERATELY OFFSHORE MONDAY NIGHT AND TUESDAY. DURING THE MONDAY
NIGHT AND TUESDAY TIME PERIOD...NORTHEASTERLY WIND GUSTS AS HIGH AS
45 MPH CAN BE EXPECTED IN FAVORED MOUNTAIN PASSES AND CANYONS...WHILE
VALLEY AREAS EXPERIENCE GUSTS TO AROUND 35 MPH. THE OFFSHORE WINDS
ARE EXPECTED TO CONTINUE INTO WEDNESDAY...BUT ARE EXPECTED TO WEAKEN.

THE OFFSHORE INFLUENCE IS EXPECTED TO BRING AN EXTENDED PERIOD OF
HOT AND DRY WEATHER FOR THE SOUTHLAND. THE WARMING TREND IS EXPECTED
TO BEGIN ON MONDAY...WHEN ISOLATED TRIPLE DIGIT READINGS CAN BE
EXPECTED ACROSS INLAND LOCATIONS...ALONG WITH 3 TO 6 HOURS OF SINGLE
DIGIT HUMIDITY READINGS ACROSS THE MOUNTAINS...DESERTS...AND SANTA
CLARITA VALLEY. TRIPLE DIGIT HEAT IS EXPECTED TO BE MORE COMMON
TUESDAY INTO WEDNESDAY ACROSS THE VALLEYS...LOWER MOUNTAIN
ELEVATIONS...AND POSSIBLY INLAND PORTIONS OF THE COASTAL PLAIN. AS
THE OFFSHORE FLOW INCREASES LATE MONDAY NIGHT INTO TUESDAY...THERE
IS EXPECTED TO BE A RAPID DROP OF HUMIDITIES INTO SINGLE DIGITS
ACROSS MUCH OF SOUTHERN CALIFORNIA. LONGER PERIODS OF SINGLE DIGIT
HUMIDITIES ARE LIKELY ACROSS THE VALLEYS AND MOUNTAINS LATE MONDAY
NIGHT INTO AT LEAST WEDNESDAY. THE COMBINATION OF VERY LOW
HUMIDITIES...WEAK TO MODERATE OFFSHORE WINDS...HOT TEMPERATURES...
AND CRITICALLY DRY FUELS WILL PRODUCE CRITICAL FIRE WEATHER CONDITIONS
TO PORTIONS OF THE SOUTHLAND MONDAY NIGHT THROUGH WEDNESDAY...
PROMPTING THE ISSUANCE OF A RED FLAG WARNING. OFFSHORE FLOW MAY
WEAKEN ON THURSDAY AND FRIDAY...BUT LONG RANGE COMPUTER MODELS
CONTINUE TO SHOW CONSIDERABLE UNCERTAINTY DURING THIS TIME FRAME.