FNUS76 KSGX 071347
FWSSGX

SPOT FORECAST FOR MILL CREEK PILE BURN...SBNF FRON
NATIONAL WEATHER SERVICE SAN DIEGO CA
547 AM PST TUE DEC 7 2010

FORECAST IS BASED ON IGNITION TIME OF 0930 PST ON DECEMBER 07.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
HIGH PRESSURE SURFACE AND ALOFT TO THE NORTH HAVE CREATED
WEAK SANTA ANA CONDITIONS ACROSS THE PRESCRIBED BURN SITE TODAY.
LOOK FOR A WIND REVERSAL AROUND NOON WITH WIND SWITCHING TO
SOUTHWEST AND BLOWING UP CANYON. RIDGE LEVEL WINDS SHOULD
SLOWLY SHIFT CLOCKWISE FROM NORTHEAST TO SOUTHEAST.
FOR WEDNESDAY THROUGH SATURDAY...THE HIGH PRESSURE CELL WILL
WILL MOVE SOUTHEAST TO SOUTHERN CALIFORNIA AND SLOWLY WEAKEN.
THIS WILL CONTINUE THE WARM AND DRY CONDITIONS WITH WEAKER GENERAL
WINDS...AND EXPECT NORMAL CANYON AND SLOPE WINDS TO PREVAIL.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....AROUND 72.
MIN HUMIDITY........20 PERCENT.
WIND................
   SLOPES...........WINDS EAST 5 MPH BECOMING UPSLOPE/SOUTHWEST
                    DURING THE MORNING AND AFTERNOON.
   RIDGETOP.........EAST 5 MPH.
MIXING HEIGHT.......500 FT AGL UNTIL 0900 PST...THE BECOMING
                    5500 FT AGL BETWEEN 1000-1400 PST...THEN
                    LOWERING TO 500 FT AGL LATE IN THE AFTERNOON.
MIXING WINDS........SOUTHEAST 3 MPH.

TIME (PST)      9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........13  9   9   9   9   9   9   10  10
WEATHER COV.....
WEATHER TYPE....
TEMP............59  66  71  71  71  71  68  63  56
RH..............20  16  14  15  16  18  20  25  31
20 FT WIND DIR..E   E   E   SW  W   W   W   W   NE
20 FT WIND SPD..4   4   4   4   4   4   4   4   2
20 FT WIND GUST.5   5   5   5   10  10  10  5   5

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....AROUND 47.
MAX HUMIDITY........55 PERCENT.
WIND................
   SLOPES...........DOWNSLOPE/EAST 2 TO 5 MPH.
   RIDGETOP.........SOUTH 5 MPH.
MIXING HEIGHT.......500 FT AGL.
MIXING WINDS........SOUTHEAST 3 MPH.

.WEDNESDAY...

SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....AROUND 72.
MIN HUMIDITY........10 PERCENT.
WIND................
   SLOPES...........EAST WINDS 2 TO 5 MPH THROUGH MID MORNING...
                    BECOMING UPSLOPE/WEST 5 MPH IN THE
                    AFTERNOON.
   RIDGETOP.........WEST 5 TO 10 MPH.
MIXING HEIGHT.......500 FT AGL UNTIL 0900 PST...THEN BECOMING
                    5500-6500 FT AGL BETWEEN 1000 AND 1400 PST..
                    BECOMING 2000 FT AGL LATE IN THE AFTERNOON.
MIXING WINDS........WEST 5 MPH.

.FORECAST DAYS 3 THROUGH 5...
.THURSDAY...
MOSTLY CLEAR. LOWS AROUND 49. HIGHS AROUND 71. WINDS WEST 5 MPH.
.FRIDAY THROUGH SATURDAY...
MOSTLY CLEAR. LOWS AROUND 48. HIGHS 69 TO 74. WINDS WEST 5 MPH.

$$
FORECASTER...ROB BALFOUR
REQUESTED BY...JOHN ELLISON
TYPE OF REQUEST...PRESCRIBED
.TAG 20101207.MILLC.01/SGX