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ZONE 258

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...RED FLAG WARNING IN EFFECT FOR THE SANTA ANA MOUNTAINS UNTIL
10 AM THURSDAY FOR LONG DURATION LOW HUMIDITIES AND GUSTY WINDS... 

...A STRONG OFFSHORE WIND EVENT POSSIBLE LATE SUNDAY AND MONDAY...

 
 FNUS56 KSGX 252123
FWFSGX

FIRE WEATHER PLANNING FORECAST FOR EXTREME SOUTHWESTERN CALIFORNIA
NATIONAL WEATHER SERVICE SAN DIEGO CA
123 PM PST WED NOV 25 2009

...RED FLAG WARNING IN EFFECT FOR THE SANTA ANA MOUNTAINS UNTIL
10 AM THURSDAY FOR LONG DURATION LOW HUMIDITIES AND GUSTY WINDS...

...A STRONG OFFSHORE WIND EVENT POSSIBLE LATE SUNDAY AND MONDAY...

.DISCUSSION...A VERY DRY ATMOSPHERE TONIGHT AND THURSDAY WILL
CONTINUE TO PRODUCE VERY LOW HUMIDITIES. OFFSHORE FLOW WILL BE
STRONG ENOUGH FOR GUSTY NORTHEAST WINDS BELOW THE CANYONS THROUGH
THANKSGIVING MORNING. WIND GUSTS WILL GENERALLY REMAIN BELOW 35
MPH...HOWEVER ISOLATED GUSTS TO 50 MPH ARE POSSIBLE IN THE
WINDIEST PASSES THURSDAY MORNING.

RELATIVE HUMIDITIES WILL REMAIN VERY LOW...BELOW 10 PERCENT AT
TIMES IN THE FOOTHILLS AND VALLEYS...THROUGH THANKSGIVING. ONSHORE
FLOW WILL SLOWLY RETURN FRIDAY FOR COOLER WEATHER AND THE
BEGINNINGS OF A SHALLOW MARINE LAYER. THE HUMIDITIES WILL BE MUCH
HIGHER SATURDAY AFTERNOON AS THE MARINE LAYER DEEPENS TO NEARLY
5000 FEET.

THIS DEEP MARINE LAYER COUPLED WITH A LOW PRESSURE TROUGH PASSING
ACROSS CALIFORNIA MAY BRING AREAS OF LIGHT RAIN FROM THE WESTERN
MOUNTAIN SLOPES TO THE COAST ON SATURDAY. ANOTHER OFFSHORE WIND
EVENT IS POSSIBLE SUNDAY AFTERNOON AND MONDAY.


CAZ242-261130-
ORANGE COUNTY COASTAL AREAS-
123 PM PST WED NOV 25 2009

.TONIGHT...
SKY/WEATHER.........CLEAR. LOCALLY BREEZY BELOW PASSES.
MIN TEMPERATURE.....46 TO 53.
MAX HUMIDITY........20 TO 40 PERCENT.
WIND (20 FT)........LIGHT AND VARIABLE EXCEPT NORTHEAST
WINDS 10 TO 20 MPH BELOW PASSES.
LAL.................1.

.THURSDAY...
SKY/WEATHER.........SUNNY AND WARM.
MAX TEMPERATURE.....73 TO 78 NEAR THE COAST TO 82 TO 87 INLAND.
MIN HUMIDITY........5 TO 10 PERCENT INLAND TO 25 TO 30 PERCENT NEAR
THE COAST.
WIND (20 FT)........WINDS EAST 10 MPH IN THE MORNING BECOMING
VARIABLE 2 TO 5 MPH.
LAL.................1.

.THURSDAY NIGHT...
SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....47 TO 52.
MAX HUMIDITY........45 TO 55 PERCENT INLAND TO 85 TO 95 PERCENT
NEAR THE COAST.
WIND (20 FT)........VARIABLE 1 TO 3 MPH.
LAL.................1.

.FRIDAY...
SKY/WEATHER.........MOSTLY SUNNY AND COOLER. PATCHY FOG NEAR THE COAST.
MAX TEMPERATURE.....63 TO 68 NEAR THE COAST TO 69 TO 74 INLAND.
MIN HUMIDITY........25 TO 35 PERCENT INLAND TO 60 TO 70 PERCENT
NEAR THE COAST.
WIND (20 FT)........VARIABLE 1 TO 3 MPH.
LAL.................1.

FORECAST DAYS 3 THROUGH 7...
SUSTAINED WINDS LESS THAN 20 MPH EXCEPT WHEN SPECIFIED

.FRIDAY NIGHT...MOSTLY CLOUDY. PATCHY FOG IN THE EVENING. LOWS
45 TO 50.
.SATURDAY...MOSTLY CLOUDY. HIGHS 67 TO 72.
.SATURDAY NIGHT...PARTLY CLOUDY. LOWS 45 TO 50.
.SUNDAY...MOSTLY SUNNY AND WINDY. HIGHS 67 TO 72.
WINDS NORTHEAST 20 TO 30 MPH WITH GUSTS TO 40 MPH IN THE MORNING.
.SUNDAY NIGHT...MOSTLY CLEAR AND WINDY. LOWS 45 TO 51.
.MONDAY...MOSTLY SUNNY AND WINDY. HIGHS 70 NEAR THE COAST TO 76
INLAND.
.MONDAY NIGHT...MOSTLY CLEAR. LOWS 45 TO 52.
.TUESDAY...MOSTLY SUNNY. HIGHS 68 NEAR THE COAST TO 70 TO
75 INLAND.
.TUESDAY NIGHT...MOSTLY CLEAR. LOWS 47 TO 52.
.WEDNESDAY...MOSTLY SUNNY. HIGHS 69 NEAR THE COAST TO
71 TO 76 INLAND.

$$

CAZ243-261130-
SAN DIEGO COUNTY COASTAL AREAS-
123 PM PST WED NOV 25 2009

.TONIGHT...
SKY/WEATHER.........CLEAR AND COOL.
MIN TEMPERATURE.....40 TO 50.
MAX HUMIDITY........45 TO 55 PERCENT.
WIND (20 FT)........VARIABLE 3 TO 6 MPH.
LAL.................1.

.THURSDAY...
SKY/WEATHER.........SUNNY AND WARM.
MAX TEMPERATURE.....76 TO 81 NEAR THE COAST TO 82 TO 87 INLAND.
MIN HUMIDITY........10 TO 15 PERCENT.
WIND (20 FT)........VARIABLE 2 TO 4 MPH.
LAL.................1.

.THURSDAY NIGHT...
SKY/WEATHER.........MOSTLY CLEAR. PATCHY FOG NEAR THE COAST LATE.
MIN TEMPERATURE.....42 TO 52.
MAX HUMIDITY........55 TO 65 PERCENT.
WIND (20 FT)........VARIABLE 1 TO 3 MPH.
LAL.................1.

.FRIDAY...
SKY/WEATHER.........PARTLY CLOUDY. PATCHY FOG NEAR THE COAST.
MAX TEMPERATURE.....66 TO 71.
MIN HUMIDITY........25 TO 35 PERCENT.
WIND (20 FT)........VARIABLE 1 TO 3 MPH.
LAL.................1.

FORECAST DAYS 3 THROUGH 7...
SUSTAINED WINDS LESS THAN 20 MPH EXCEPT WHEN SPECIFIED

.FRIDAY NIGHT...MOSTLY CLOUDY. PATCHY FOG IN THE EVENING. LOWS
43 TO 53.
.SATURDAY...MOSTLY CLOUDY WITH SLIGHT CHANCE OF RAIN. HIGHS 64 TO
69.
.SATURDAY NIGHT...COLDER. MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS
IN THE EVENING. LOWS 37 TO 47.
.SUNDAY...MOSTLY SUNNY. HIGHS 65 TO 70.
.SUNDAY NIGHT...MOSTLY CLEAR. LOWS 38 TO 48.
.MONDAY...MOSTLY SUNNY. HIGHS 69 TO 74.
.MONDAY NIGHT...MOSTLY CLEAR. LOWS 39 TO 49.
.TUESDAY...MOSTLY SUNNY. HIGHS 68 TO 73.
.TUESDAY NIGHT...MOSTLY CLEAR. LOWS 40 TO 50.
.WEDNESDAY...MOSTLY SUNNY. HIGHS 68 TO 73.

$$

CAZ250-261130-
SAN DIEGO COUNTY INLAND VALLEYS-
123 PM PST WED NOV 25 2009

.TONIGHT...
SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....42 TO 52.
MAX HUMIDITY........15 TO 25 PERCENT.
WIND (20 FT)........WINDS EAST 15 MPH AND GUSTY.
LAL.................1.

.THURSDAY...
SKY/WEATHER.........SUNNY AND WARM.
MAX TEMPERATURE.....82 TO 87.
MIN HUMIDITY........5 TO 10 PERCENT.
WIND (20 FT)........WINDS EAST 15 MPH. GUSTS TO 25 MPH IN THE
MORNING.
LAL.................1.

.THURSDAY NIGHT...
SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....38 TO 48.
MAX HUMIDITY........25 TO 35 PERCENT.
WIND (20 FT)........VARIABLE 1 TO 3 MPH.
LAL.................1.

.FRIDAY...
SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....68 TO 73 IN THE WESTERN VALLEYS TO 72 TO 77
NEAR THE FOOTHILLS.
MIN HUMIDITY........10 TO 15 PERCENT.
WIND (20 FT)........VARIABLE 2 TO 4 MPH.
LAL.................1.

FORECAST DAYS 3 THROUGH 7...
SUSTAINED WINDS LESS THAN 20 MPH EXCEPT WHEN SPECIFIED

.FRIDAY NIGHT...CLOUDY. LOWS 41 TO 51.
.SATURDAY...CLOUDY WITH SLIGHT CHANCE OF RAIN. HIGHS 67 TO 72.
.SATURDAY NIGHT...CLOUDY. SLIGHT CHANCE OF SHOWERS IN THE
EVENING. LOWS 37 TO 47.
.SUNDAY...MOSTLY SUNNY AND WINDY. HIGHS 66 TO 71.
.SUNDAY NIGHT...MOSTLY CLEAR AND WINDY. LOWS 38 TO 48.
WINDS EAST 20 MPH.
.MONDAY...MOSTLY SUNNY AND WINDY. HIGHS 72 TO 77. WINDS EAST 20 MPH.
.MONDAY NIGHT...MOSTLY CLEAR. LOWS 40 TO 50.
.TUESDAY...MOSTLY SUNNY. HIGHS 73 TO 78.
.TUESDAY NIGHT...MOSTLY CLEAR. LOWS 40 TO 50.
.WEDNESDAY...MOSTLY SUNNY. HIGHS 73 TO 78.

$$

CAZ248-261130-
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-
123 PM PST WED NOV 25 2009

.TONIGHT...
SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....39 TO 49.
MAX HUMIDITY........15 TO 25 PERCENT.
WIND (20 FT)........WINDS NORTH 15 MPH.
LAL.................1.

.THURSDAY...
SKY/WEATHER.........SUNNY AND WARM.
MAX TEMPERATURE.....78 TO 84.
MIN HUMIDITY........5 TO 10 PERCENT.
WIND (20 FT)........WINDS EAST 15 MPH BECOMING NORTH 10 MPH IN THE
AFTERNOON.
LAL.................1.

.THURSDAY NIGHT...
SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....38 TO 48.
MAX HUMIDITY........25 TO 35 PERCENT.
WIND (20 FT)........WINDS NORTH 10 MPH IN THE EVENING BECOMING
VARIABLE 2 TO 5 MPH.
LAL.................1.

.FRIDAY...
SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....71 TO 76.
MIN HUMIDITY........10 TO 15 PERCENT.
WIND (20 FT)........VARIABLE 2 TO 4 MPH.
LAL.................1.

FORECAST DAYS 3 THROUGH 7...
SUSTAINED WINDS LESS THAN 20 MPH EXCEPT WHEN SPECIFIED

.FRIDAY NIGHT...MOSTLY CLOUDY. LOWS 39 TO 48.
.SATURDAY...MOSTLY CLOUDY WITH SLIGHT CHANCE OF RAIN. HIGHS 64 TO
71.
.SATURDAY NIGHT...PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS IN THE
EVENING. LOWS 36 TO 46.
.SUNDAY...MOSTLY SUNNY AND WINDY. AREAS OF BLOWING DUST. HIGHS 63 TO 70.
WINDS NORTHEAST 20 TO 25 MPH WITH GUSTS TO 40 MPH.
.SUNDAY NIGHT...MOSTLY CLEAR AND WINDY. AREAS OF BLOWING DUST IN THE
EVENING. AREAS OF BLOWING DUST AFTER MIDNIGHT. LOWS 37 TO 47.
.MONDAY...MOSTLY SUNNY AND WINDY. AREAS OF BLOWING DUST IN THE MORNING.
HIGHS 69 TO 76.
.MONDAY NIGHT...MOSTLY CLEAR. LOWS 38 TO 48.
.TUESDAY...MOSTLY SUNNY. HIGHS 71 TO 77.
.TUESDAY NIGHT...MOSTLY CLEAR. LOWS 39 TO 49.
.WEDNESDAY...MOSTLY SUNNY. HIGHS 72 TO 78.

$$

 CAZ258-261130-
SAN DIEGO COUNTY MOUNTAINS-
INCLUDING THE PALOMAR AND DESCANSO RANGER DISTRICTS OF THE
CLEVELAND NATIONAL FOREST-
123 PM PST WED NOV 25 2009

.TONIGHT...
SKY/WEATHER.........CLEAR AND BREEZY.
MIN TEMPERATURE.....40 TO 50.
MAX HUMIDITY........15 PERCENT.
WIND (20 FT)........
SLOPES...........WINDS EAST 15 MPH WITH GUSTS TO 30 MPH.
RIDGETOP.........WINDS EAST 10 TO 20 MPH WITH GUSTS TO 35 MPH.
LAL.................1.

.THURSDAY...
SKY/WEATHER.........SUNNY AND BREEZY.
MAX TEMPERATURE.....65 TO 75.
MIN HUMIDITY........5 TO 10 PERCENT.
WIND (20 FT)........
SLOPES...........WINDS EAST 15 MPH WITH GUSTS TO 30 MPH.
RIDGETOP.........WINDS EAST 10 TO 20 MPH. GUSTS TO 35
MPH...BECOMING 25 MPH IN THE AFTERNOON.
LAL.................1.

.THURSDAY NIGHT...
SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....37 TO 46.
MAX HUMIDITY........20 TO 25 PERCENT.
WIND (20 FT)........
SLOPES...........DOWNSLOPE 2 TO 4 MPH.
RIDGETOP.........VARIABLE 3 TO 6 MPH.
LAL.................1.

.FRIDAY...
SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....63 TO 72.
MIN HUMIDITY........10 TO 15 PERCENT.
WIND (20 FT)........
SLOPES...........WINDS SOUTHWEST 10 MPH.
RIDGETOP.........WINDS SOUTHWEST 10 MPH.
LAL.................1.

FORECAST DAYS 3 THROUGH 7...
SUSTAINED WINDS LESS THAN 20 MPH EXCEPT WHEN SPECIFIED

.FRIDAY NIGHT...PARTLY CLOUDY. LOWS 35 TO 45.
.SATURDAY...BECOMING MOSTLY CLOUDY WITH A SLIGHT CHANCE
OF RAIN. HIGHS 53 TO 63.
.SATURDAY NIGHT...CLOUDY. SLIGHT CHANCE OF SHOWERS IN THE
EVENING. LOWS 36 TO 45.
.SUNDAY...MOSTLY SUNNY AND WINDY. HIGHS 51 TO 61.
.SUNDAY NIGHT...MOSTLY CLEAR AND WINDY. LOWS 37 TO 45.
WINDS NORTHEAST 20 MPH WITH GUSTS TO 40 MPH IN THE EVENING.
.MONDAY...MOSTLY SUNNY AND WINDY. HIGHS 56 TO 66. WINDS NORTHEAST
20 TO 30 MPH.
.MONDAY NIGHT...MOSTLY CLEAR. LOWS 38 TO 46.
.TUESDAY...MOSTLY SUNNY. HIGHS 61 TO 70.
.TUESDAY NIGHT...MOSTLY CLEAR. LOWS 38 TO 47.
.WEDNESDAY...MOSTLY SUNNY. HIGHS 61 TO 70.


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Page last Modified: Update - 07/17/2008

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