FNUS76 KSGX 161343 FWSSGX SPOT FORECAST FOR MCCAIN VMP - 0700 PDT JUNE 16...CDF SDU NATIONAL WEATHER SERVICE SAN DIEGO CA 643 AM PDT WED JUN 16 2010 FORECAST IS BASED ON IGNITION TIME OF 0700 PDT ON JUNE 16. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... AN UPPER TROUGH MOVING EAST ACROSS THE AREA TODAY WILL CAUSE INCREASE THE GENERAL WINDS FROM THE WEST. HIGH PRESSURE REBUILDING TO THE NORTH TONIGHT WILL CAUSE THE GENERAL WINDS TO DIMINISH. ON THURSDAY AS HIGH PRESSURE CONTINUE TO BUILD TO THE NORTH...THE GENERAL WINDS SHOULD BECOME LIGHT EASTERLY...ALONG WITH WARMER TEMPERATURES AND LOWER HUMIDITY. THIS WARMING AND DRYING TREND WILL BE SHORT LIVED. ANOTHER TROUGH WILL BE APPROACHING THE AREA BY LATE FRIDAY AND MOVING ACROSS THE AREA THIS WEEKEND. .TODAY... SKY/WEATHER.........SUNNY. MAX TEMPERATURE.....82. MIN HUMIDITY........16 PERCENT. WIND (20 FT).............. MID SLOPES.........WEST 10 TO 20 MPH WITH GUSTS TO 35 MPH. UPR SLP/RIDGETOP...WEST 5 TO 10 MPH...BECOMING 15 TO 20 MPH. GUSTS TO 35 MPH. LAL.................1. MIXING HEIGHT.......500 FT AGL...BECOMING 3000-3500 FT AGL LATE IN THE MORNING...THEN...BECOMING 1000 FT AGL LATE IN THE AFTERNOON. MIXING WINDS........WEST 15 TO 20 MPH. TIME (PDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM SKY (%).........6 6 6 6 5 5 5 5 5 5 6 WEATHER COV..... WEATHER TYPE.... TEMP............60 70 75 78 80 81 81 82 82 80 78 RH..............32 22 19 17 16 16 19 19 19 20 21 20 FT WIND DIR..W SW SW SW W W W W W W W 20 FT WIND SPD..12 12 12 12 12 12 12 12 12 12 16 20 FT WIND GUST.30 30 30 30 30 30 30 35 35 35 35 .TONIGHT... SKY/WEATHER.........CLEAR. MIN TEMPERATURE.....AROUND 52. MAX HUMIDITY........50 PERCENT. WIND (20 FT).............. MID SLOPES.........WEST 10 TO 20 MPH WITH GUSTS TO 35 MPH...BECOMING 10 MPH AFTER MIDNIGHT. UPR SLP/RIDGETOP...WEST 15 TO 20 MPH WITH GUSTS TO 35 MPH BECOMING LIGHT. LAL.................1. MIXING HEIGHT.......INVERSION DEVELOPING WITHIN 500 FT AGL AFTER 2000 PDT. MIXING WINDS........WEST 15 TO 20 MPH BECOMING EAST 5 TO 10 MPH AFTER MIDNIGHT. TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM SKY (%).........6 6 6 6 6 5 5 5 5 5 5 5 WEATHER COV..... WEATHER TYPE.... TEMP............74 71 66 62 59 58 57 55 55 53 53 52 RH..............25 30 35 40 44 45 47 44 35 27 24 21 20 FT WIND DIR..W W W W W W W W W E E E 20 FT WIND SPD..16 16 12 8 6 5 4 3 2 0 2 3 20 FT WIND GUST.35 35 30 15 12 10 8 6 4 2 4 5 .THURSDAY... SKY/WEATHER.........SUNNY. MAX TEMPERATURE.....AROUND 90. MIN HUMIDITY........7 PERCENT. WIND (20 FT).............. MID SLOPES.........EAST 5 MPH IN THE MORNING...THEN BECOMING WEST 5 TO 10 MPH AND GUSTY LATE IN THE AFTERNOON. UPR SLP/RIDGETOP...EAST 5 MPH BECOMING WEST 5 TO 10 MPH AND GUSTY. LAL.................1. MIXING HEIGHT.......500 FT AGL UNTIL INVERSION BREAKS AROUND 0900 PDT... BECOMING 3500-4500 FT AGL. MIXING WINDS........WEST 5 MPH. TIME (PDT) 6 AM 9 AM NOON 3 PM SKY (%).........5 5 4 4 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TEMP............52 80 89 89 RH..............22 8 7 14 20 FT WIND DIR..E E E W 20 FT WIND SPD..4 4 4 4 20 FT WIND GUST.5 5 10 5 .FORECAST DAYS 3 THROUGH 5... .FRIDAY... MOSTLY CLEAR. LOWS AROUND 51. MIN RH 40 PERCENT. HIGH 87. MIN RH 11 PERCENT. WINDS WEST 5 TO 15 MPH WITH GUSTS TO 30 MPH. .SATURDAY THROUGH SUNDAY... MOSTLY CLEAR. LOWS AROUND 50. HIGHS AROUND 80. WINDS WEST 10 TO 20 MPH WITH GUSTS TO 40 MPH. $$ FORECASTER...ROB BALFOUR REQUESTED BY...JON HEGGIE FIRE CAPTAIN TYPE OF REQUEST...PRESCRIBED .TAG 20100616.MCCAI.01/SGX