FNUS76 KSGX 041546
FWSSGX

SPOT FORECAST FOR SILVERWOOD...SBNF SBDIS
NATIONAL WEATHER SERVICE SAN DIEGO CA
846 AM PDT THU AUG 4 2011

FORECAST IS BASED ON REQUEST TIME OF 0809 PDT ON AUGUST 04.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...CRITICAL FIRE WEATHER CONDITIONS TODAY THROUGH THE WEEKEND...

.DISCUSSION...
LITTLE CHANGE IN THE WEATHER PATTERN FOR THE NEXT 5 DAYS.
HIGH PRESSURE BUILDING ALOFT AND THERMAL TROUGH STRENGTHENING OVER
SOUTHERN CALIFORNIA DESERTS. THIS WILL PRODUCE VERY LOW RELATIVE
HUMIDITY...LESS THAN 10 PERCENT...WITH POOR RECOVERY
OVERNIGHT....AND WINDS GUSTING 25 TO 30 MPH IN THE AFTERNOONS
UNTIL MIDNIGHT OVER THE INCIDENT AREA.

.TODAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....AROUND 90.
MIN HUMIDITY........10 PERCENT.
WIND................
   SLOPES...........UPSLOPE/SOUTHEAST 5 MPH BECOMING
                    SOUTHWEST 10 MPH WITH GUSTS TO 25 MPH IN THE
                    AFTERNOON.
   RIDGETOP.........SOUTHWEST 5 TO 10 MPH...BECOMING 20 MPH AND
                    GUSTY.
CHC WETTING RAIN....0 PERCENT.
LAL.................1.
MIXING HEIGHT.......500 FT AGL...BECOMING 2500 FT AGL EARLY IN THE
                    MORNING...THEN...BECOMING 7000 FT AGL LATE IN
                    THE MORNING...BECOMING 3500 FT AGL LATE IN THE
                    AFTERNOON.
MIXING WINDS........SOUTHWEST 10 TO 15 MPH...BECOMING 20 MPH LATE
                    IN THE AFTERNOON.

TIME (PDT)      8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........0   0   0   0   0   0   0   0   0   0
WEATHER COV.....
WEATHER TYPE....
TEMP............75  80  83  86  89  89  90  90  89  87
RH..............23  18  14  12  11  11  11  11  12  14
20 FT WIND DIR..SE  SE  SE  S   S   S   SW  SW  SW  SW
20 FT WIND SPD..4   4   4   6   6   6   8   10  10  10
20 FT WIND GUST.6   6   6   12  12  12  25  25  25  25
EYE LVL WND DIR.S   S   S   S   S   S   S   S   S   S
EYE LVL WND SPD.4   4   4   8   8   8   8   8   8   8
EYE LVL WND GST.10  10  10  20  20  20  25  25  25  20

.TONIGHT...

SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....AROUND 61.
MAX HUMIDITY........40 PERCENT.
WIND................
   SLOPES...........SOUTHWEST 10 MPH. GUSTS TO 20 MPH IN
                    THE EVENING.
   RIDGETOP.........SOUTHWEST 15 TO 20 MPH.
CHC WETTING RAIN....0 PERCENT.
LAL.................1.
MIXING HEIGHT.......INVERSION DEVELOPING AFTER 2100 PDT
                    WITHIN 500 FT AGL.
MIXING WINDS........SOUTHWEST 15 TO 20 MPH...BECOMING 5 TO 10 MPH
                    AFTER MIDNIGHT.

TIME (PDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........0   0   0   0   0   2   2   2   2   2   2   2
WEATHER COV.....
WEATHER TYPE....
TEMP............84  79  73  68  65  64  62  62  61  61  62  61
RH..............16  21  27  33  35  37  39  39  40  38  36  35
20 FT WIND DIR..SW  SW  SW  SW  SW  SW  SW  SW  S   S   S   S
20 FT WIND SPD..8   8   8   8   8   8   8   8   4   4   4   4
20 FT WIND GUST.20  20  10  10  10  10  10  10  10  10  10  10
EYE LVL WND DIR.S   S   S   S   S   S   S   S   S   S   S   S
EYE LVL WND SPD.8   8   8   8   8   8   8   8   4   4   4   4
EYE LVL WND GST.20  20  10  10  10  10  10  10  10  10  10  10

.FORECAST DAYS 3 THROUGH 5...

.FRIDAY THROUGH MONDAY...
...CRITICAL FIRE WEATHER CONDITIONS CONTINUING...
SUNNY/CLEAR. MIN RH 5 TO 10 PERCENT. MAX RH 35 PERCENT.
HIGHS 90 TO 95. LOWS 62 TO 67. WINDS SOUTH TO SOUTHWEST 5 TO 10 MPH
WITH GUSTS 30 MPH IN THE AFTERNOON AND EVENINGS.


$$
FORECASTER...ROB BALFOUR
REQUESTED BY...MANNY SALAS
TYPE OF REQUEST...WILDFIRE
.TAG 20110804.SILVE.01/SGX