FNUS76 KSGX 151500 FWSSGX SPOT FORECAST FOR BANNING PILE BURN...SBNF FRON NATIONAL WEATHER SERVICE SAN DIEGO CA 700 AM PST TUE DEC 15 2009 FORECAST IS BASED ON IGNITION TIME OF 1000 PST ON DECEMBER 15. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...VARIABLE HIGH CLOUDS DUE TO WEAKENING HIGH PRESSURE RIDGE ALOFT. HOWEVER THROUGH WEDNESDAY A LARGE HIGH PRESSURE CELL AT THE SURFACE...AND CENTERED OVER THE FOUR CORNERS REGION...WILL CONTINUE TO CREATE AN OFFSHORE PRESSURE GRADIENT THROUGH THE BANNING PASS. THIS WILL KEEP THE AIR MASS RELATIVELY DRY ACROSS THE BURN SITE ALONG WITH PREDOMINATE EAST TO NORTHEAST WINDS. FOR THURSDAY THROUGH SUNDAY THE HIGH PRE SURE RIDGE ALOFT TO THE NORTH REBUILDS AND SHIFTS SLOWLY EASTWARD. THIS SHOULD PROVIDE CLEAR SKIES AND CONTINUE THE DRY AIR AND INCREASE THE NORTHEAST WINDS ACROSS THE BURN SITE. .TODAY... SKY/WEATHER.........VARIABLE HIGH CLOUDS. MAX TEMPERATURE.....NEAR 60. MIN HUMIDITY........30 PERCENT. WIND................ SLOPES...........NORTHEAST 5 TO 10 MPH. GUSTS TO 20 MPH IN THE MORNING THROUGH EARLY AFTERNOON. RIDGETOP.........EAST 10 TO 15 MPH...DIMINISHING TO 5 MPH IN THE AFTERNOON. CHC WETTING RAIN....0 PERCENT. TIME (PST) 10 AM 1 PM 4 PM SKY (%).........50 50 50 WEATHER COV..... WEATHER TYPE....NONE NONE NONE TEMP............55 57 53 RH..............32 31 45 20 FT WIND DIR..NE NE NE 20 FT WIND SPD..8 5 5 20 FT WIND GUST.20 15 10 .TONIGHT... SKY/WEATHER.........VARIABLE HIGH CLOUDS. MIN TEMPERATURE.....AROUND 45. MAX HUMIDITY........NEAR 50 PERCENT. WIND................ SLOPES...........EAST TO NORTHEAST 5 TO 10 MPH WITH GUSTS TO 20 MPH. RIDGETOP.........EAST TO SOUTHEAST 5 MPH WITH GUSTS TO 20 MPH. CHC WETTING RAIN....0 PERCENT. TIME (PST) 7 PM 10 PM 1 AM 4 AM SKY (%).........50 70 70 36 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TEMP............50 48 47 47 RH..............44 47 39 31 20 FT WIND DIR..NE NE NE E 20 FT WIND SPD..8 8 8 8 20 FT WIND GUST.10 20 20 10 .WEDNESDAY... SKY/WEATHER.........PARTLY CLOUDY...BECOMING MOSTLY SUNNY. MAX TEMPERATURE.....AROUND 65. MIN HUMIDITY........15 PERCENT. WIND................ SLOPES...........EAST TO NORTHEAST 2 TO 5 MPH WITH GUSTS 10 MPH. RIDGETOP.........SOUTHEAST 5 MPH IN THE MORNING BECOMING LIGHT. CHC WETTING RAIN....0 PERCENT. TIME (PST) 7 AM 10 AM 1 PM 4 PM SKY (%).........32 32 27 27 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TEMP............45 52 65 57 RH..............25 20 15 25 20 FT WIND DIR..NE E E NE 20 FT WIND SPD..5 5 2 2 20 FT WIND GUST.10 10 8 5 .FORECAST DAYS 3 THROUGH 5... .THURSDAY... MOSTLY CLEAR. LOWS AROUND 47. HIGHS AROUND 69. WINDS EAST 5 MPH. .FRIDAY... CLEAR. LOWS AROUND 49. HIGHS AROUND 71. WINDS EAST 5 MPH. .SATURDAY... MOSTLY CLEAR. LOWS AROUND 48. HIGHS AROUND 67. WINDS SOUTHEAST 5 MPH. $$ FORECASTER...ROB BALFOUR REQUESTED BY...STEVE CHUMLEY TYPE OF REQUEST...PRESCRIBED .TAG 20091215.BANNI.01/SGX