FNUS76 KSGX 031752 FWSSGX SPOT FORECAST FOR COWBOY...CDF SDU NATIONAL WEATHER SERVICE SAN DIEGO CA 1052 AM PDT FRI SEP 3 2010 FORECAST IS BASED ON REQUEST TIME OF 1012 PDT ON SEPTEMBER 03. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...HOT AND VERY DRY THROUGH SATURDAY WITH LITTLE TO NO OVERNIGHT RECOVERY OF HUMIDITY MID SLOPES AND RIDGES. SOME AFTERNOON CUMULUS CLOUDS POSSIBLE BUT LITTLE TO NO SHADING OF FUELS. HIGH PRESSURE ALOFT WILL BREAK DOWN ON SUNDAY. THIS WILL BRING ABOUT A 10 MPH INCREASE IN THE AFTERNOON WEST WINDS AND ABOUT A 10 DEGREE DROP IN TEMPERATURES BOTH ON SUNDAY AND AGAIN ON MONDAY. HOWEVER RELATIVE HUMIDITY WILL ONLY INCREASE ABOUT 5 PERCENT EACH DAY. .TONIGHT... SKY/WEATHER.........CLEAR. MIN TEMPERATURE.....AROUND 63. MAX HUMIDITY........45 PERCENT. 20 FT WIND................ SLOPES...........WEST TO NORTHWEST 10 MPH IN THE EARLY EVENING...THEN NORTHEAST 5 MPH. RIDGETOP.........NORTH 5 TO 10 MPH. GUSTS 20 MPH EARLY EVENING. CHC WETTING RAIN....0 PERCENT. LAL.................1. MIXING HEIGHT.......STRONG INVERSION DEVELOPING AFTER 2000 PDT NEAR 2500 FT MSL. MIXING WINDS........NORTH 10 MPH. TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM SKY (%).........4 4 4 4 4 4 4 4 4 4 4 4 WEATHER COV..... WEATHER TYPE.... TEMP............92 86 81 76 71 70 68 66 66 64 64 63 RH..............12 16 21 29 37 42 43 43 39 39 37 35 20 FT WIND DIR..W W NW NW NW NE NE NE N N N N 20 FT WIND SPD..8 8 4 4 4 4 4 4 4 4 4 4 20 FT WIND GUST.20 20 5 5 5 5 5 5 5 5 5 5 EYE LVL WND DIR.W W NW NW NW NE NE NE NE NE NE NE EYE LVL WND SPD.8 8 4 4 4 4 4 4 4 4 4 4 EYE LVL WND GST.20 20 5 5 5 5 5 5 5 5 5 5 .SATURDAY... SKY/WEATHER.........SUNNY WITH A FEW AFTERNOON CUMULUS. MAX TEMPERATURE.....105 VALLEYS TO 95 RIDGETOP. MIN HUMIDITY........5 TO 6 PERCENT. 20 FT WIND................ SLOPES...........NORTHEAST 5 MPH IN THE MORNING...BECOMING WEST 5 TO 10 MPH GUSTS 20 MPH IN THE AFTERNOON. RIDGETOP.........EAST 1-3 MPH IN THE MORNING...BECOMING WEST 10 TO 15 MPH IN THE AFTERNOON. CHC WETTING RAIN....0 PERCENT. LAL.................1. MIXING HEIGHT.......STRONG INVERSION NEAR 2500 FT MSL UNTIL 0900 PDT THEN MIXING TO 15000 FT MSL. MIXING WINDS........NORTHEAST 0-3 MPH IN THE MORNING...BECOMING WEST TO NORTHWEST 10 MPH IN THE AFTERNOON. TIME (PDT) 6 AM 9 AM NOON 3 PM SKY (%).........4 4 4 4 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TEMP............63 90 104 103 RH..............32 7 6 9 20 FT WIND DIR..N NE S W 20 FT WIND SPD..4 4 2 8 20 FT WIND GUST.5 5 5 20 EYE LVL WND DIR.N NE S W EYE LVL WND SPD.4 4 1 8 EYE LVL WND GST.5 5 5 20 .FORECAST DAYS 3 THROUGH 5... .SUNDAY... CLEAR. LOWS AROUND 60. HIGHS AROUND 98. MINIMUM RELATIVE HUMIDITY 8 PERCENT. MAXIMUM RELATIVE HUMIDITY 35 PERCENT. AFTERNOON AND EVENING WINDS WEST 15 TO 20 MPH WITH GUSTS 30 MPH. .LABOR DAY... CLEAR. LOWS AROUND 51. HIGHS AROUND 88. MINIMUM RELATIVE HUMIDITY 15 PERCENT. MAXIMUM RELATIVE HUMIDITY 50 PERCENT. WINDS SOUTH TO SOUTHWEST 10 MPH. .TUESDAY THROUGH WEDNESDAY... CLEAR. LOWS AROUND 43. HIGHS 74 TO 79. WINDS SOUTHWEST 10 MPH. $$ FORECASTER...ROB BALFOUR REQUESTED BY...KATHLEEN EDWARDS TYPE OF REQUEST...WILDFIRE .TAG 20100903.COWBO.02/SGX