FNUS76 KSGX 081300 FWSSGX SPOT FORECAST FOR DEL ROSA PILE BURN...SBNF FRON NATIONAL WEATHER SERVICE SAN DIEGO CA 500 AM PST TUE MAR 8 2011 FORECAST IS BASED ON IGNITION TIME OF 0800 PST ON MARCH 08. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... HIGH PRESSURE REBUILDING OVER NEVADA TODAY AND TONIGHT AND LOW PRESSURE OFF THE SOUTHERN CALIFORNIA COAST WILL CREATE GENERAL WINDS FROM THE NORTHEAST. WIND GUSTS MAY REACH 30 MPH DOWN DALEY CANYON LATER THIS MORNING AND AGAIN THIS EVENING. THE RECENT WETTING RAINS...AND ANTECEDENT FUEL MOISTURE CONDITIONS SHOULD ALLOW FOR PICKUP OF ANY SPOT FIRES BEYOND THE OUTSIDE THE PILE BURN PERIMETER. FOR WEDNESDAY THROUGH THURSDAY...IT WILL BE WARMER AND MUCH DRIER AS HIGH PRESSURE BUILDS ALOFT...HOWEVER THE GENERAL NORTHEAST WINDS ARE FORECAST TO BE ONLY HALF AS STRONG AND CONFINED TO THE MORNING HOURS...WITH LOCAL UPSLOPE WINDS PREVAILING DURING THE AFTERNOON HOURS. FOR FRIDAY THROUGH THE WEEKEND THERE IS A COOLING AND MOISTENING TREND FORECAST AS THE HIGH PRESSURE RIDGE BREAKS DOWN AND A SERIES OF WEAK TROUGHS MOVE INLAND TO THE NORTH. NO SIGNIFICANT WETTING RAINS ARE FORECAST...BUT THE MARINE LAYER WILL LIKELY DEEPEN AND PRODUCE FOG AND DRIZZLE OVER THE PILE BURN SITE. .TODAY... SKY/WEATHER.........MOSTLY SUNNY. MAX TEMPERATURE.....AROUND 69. MIN HUMIDITY........25 PERCENT. WIND................ SLOPES...........NORTHEAST 5 TO 10 MPH WITH GUSTS 30 MPH FROM MID MORNING THROUGH MID AFTERNOON RIDGETOP.........NORTHEAST 15 MPH...INCREASING TO 30 MPH IN THE LATE MORNING AND AFTERNOON. CHC WETTING RAIN....0 PERCENT. LAL.................1. MIXING HEIGHT.......2000 FT AGL...BECOMING 4500 FT AGL IN THE LATE MORNING AND AFTERNOON. MIXING WINDS........NORTHEAST 15 TO 20 MPH. TIME (PST) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM SKY (%).........17 17 19 19 19 19 19 19 13 13 WEATHER COV..... WEATHER TYPE.... TEMP............51 57 62 64 67 68 69 68 68 66 RH..............43 36 31 28 26 24 23 23 23 25 20 FT WIND DIR..NE NE NE NE NE NE NE NE NE NE 20 FT WIND SPD..4 4 8 10 9 5 4 3 3 4 20 FT WIND GUST.10 20 25 30 25 20 15 12 10 12 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR. MIN TEMPERATURE.....AROUND 49. MAX HUMIDITY........30 PERCENT. WIND................ SLOPES...........NORTHEAST 5 MPH. GUSTS 10 TO 20 MPH. RIDGETOP.........NORTHEAST 10 TO 15 MPH. CHC WETTING RAIN....0 PERCENT. LAL.................1. MIXING HEIGHT.......500 FT AGL. MIXING WINDS........NORTHEAST 10 MPH. .WEDNESDAY... SKY/WEATHER.........MOSTLY SUNNY. MAX TEMPERATURE.....AROUND 78. MIN HUMIDITY........10 PERCENT. WIND................ SLOPES...........NORTHEAST 5 TO 10 MPH IN THE MORNING...BECOMING SOUTHWEST 5 MPH IN THE AFTERNOON. RIDGETOP.........NORTHEAST 10 TO 15 MPH IN THE EARLY MORNING... BECOMING NORTH 5 MPH LATE MORNING AND AFTERNOON. CHC WETTING RAIN....0 PERCENT. LAL.................1. MIXING HEIGHT.......INVERSION WITHIN 500 FT AGL UNTIL 0900 PST... MIXING TO 7000 FT AGL LATE IN THE MORNING THROUGH AFTERNOON. MIXING WINDS........NORTHEAST 10 MPH EARLY IN THE MORNING...BECOMING NORTH 3 MPH IN THE LATE MORNING AND AFTERNOON. .FORECAST DAYS 3 THROUGH 5... .WEDNESDAY NIGHT AND THURSDAY... MOSTLY CLEAR. LOWS AROUND 54. HIGHS AROUND 78. MAXIMUM HUMIDITY 25 PERCENT. MINIMUM HUMIDITY 10 PERCENT. WINDS SOUTHWEST 5 MPH. .THURSDAY NIGHT AND FRIDAY... MOSTLY CLEAR. LOWS AROUND 50. HIGHS AROUND 74. MAXIMUM HUMIDITY 35 PERCENT. MINIMUM HUMIDITY 18 PERCENT. WINDS SOUTH 5 MPH. .FRIDAY NIGHT THROUGH SATURDAY... PARTLY CLOUDY. FOG AND DRIZZLE DURING THE NIGHT AND EARLY MORNING HOURS. LOWS AROUND 50. HIGHS AROUND 68. MAXIMUM HUMIDITY 100 PERCENT. MINIMUM HUMIDITY 25 PERCENT.WINDS SOUTH 5 MPH. $$ FORECASTER...ROB BALFOUR REQUESTED BY...NEIL GAMBOA TYPE OF REQUEST...PRESCRIBED .TAG 20110308.DELRO.01/SGX