FNUS76 KSGX 162046 FWSSGX SPOT FORECAST FOR MCCAIN VMP - 1600 PDT JUNE 16...CDF SDU NATIONAL WEATHER SERVICE SAN DIEGO CA 146 PM PDT WED JUN 16 2010 FORECAST IS BASED ON IGNITION TIME OF 1600 PDT ON JUNE 16. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... HIGH PRESSURE SURFACE AND ALOFT OVER NEVADA SHOULD CAUSE THE GENERAL WINDS TO BECOME LIGHT EAST TO NORTHEAST THROUGH EARLY NOON ON THURSDAY. HOWEVER THE LOCAL UPSLOPE WINDS MAY BE OVERPOWER THESES. LOOK FOR VARIABLE WINDS THROUGH EARLY AFTERNOON...BEFORE THE WIND DIRECTION BECOMES STEADY FROM THE SOUTHWEST. TEMPERATURES THURSDAY SHOULD BE 10 DEGREES WARMER...AND HUMIDITY ABOUT 5 PERCENT LOWER. 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.....AROUND 90. MIN HUMIDITY........9 PERCENT. WIND (20 FT).............. MID SLOPES.........VARIABLE WINDS NORTHWEST TO EAST IN THE MORNING GENERALLY LESS THAN 5 MPH...THEN BECOMING SOUTHWEST 5 TO 10 MPH IN THE AFTERNOON. UPR SLP/RIDGETOP...EAST 5 MPH IN THE MORNING...THEN BECOMING WEST 5 MPH LATE IN THE MORNING. LAL.................1. MIXING HEIGHT.......MODERATE INVERSION UNTIL 0900 PDT BETWEEN 500-1500 FT AGL...THEN MIXING TO 4000 FT AGL. MIXING WINDS........EAST 3 MPH IN THE MORNING...THEN WEST 5 MPH IN THE MID TO LATE AFTERNOON. TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM SKY (%).........5 5 5 5 5 4 4 4 4 4 4 5 WEATHER COV..... WEATHER TYPE.... TEMP............52 58 72 79 81 85 87 90 90 89 88 85 RH..............23 18 11 10 9 9 10 9 10 13 16 21 20 FT WIND DIR..NW NW NE E E E E W SW SW SW SW 20 FT WIND SPD..2 2 2 2 3 3 2 0 2 4 4 8 20 FT WIND GUST.3 3 3 4 9 9 7 2 5 5 5 10 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR. MIN TEMPERATURE.....AROUND 51. MAX HUMIDITY........NEAR 50 PERCENT. WIND................ MID SLOPES.........WEST 2 TO 8 MPH. GUSTS TO 15 MPH. UPR SLP/RIDGETOP...WEST 5 MPH...BECOMING SOUTHWEST 10 TO 15 MPH. LAL.................1. MIXING HEIGHT.......STRONG INVERSION DEVELOPING WITHIN 500 FT AGL AFTER 2000 PDT. MIXING WINDS........WEST 5 MPH...BECOMING SOUTHWEST 10 MPH. TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM SKY (%).........5 5 5 5 5 8 8 8 8 8 8 6 WEATHER COV..... WEATHER TYPE.... TEMP............82 76 69 65 61 58 56 55 54 52 51 51 RH..............23 28 36 31 28 24 30 32 35 43 46 50 20 FT WIND DIR..W W W W W W W W W W W W 20 FT WIND SPD..8 8 8 4 4 2 4 2 3 4 5 6 20 FT WIND GUST.11 11 13 13 13 13 13 11 12 13 14 15 .FORECAST DAYS 2 THROUGH 5... .FRIDAY...SUNNY. HIGH AROUND 81. MIN RH 15 PERCENT. WEST WINDS 8 TO 12 MPH WITH GUSTS TO 30 MPH. .SATURDAY... MOSTLY CLEAR. LOWS AROUND 50. HIGHS AROUND 80. WINDS WEST 5 TO 15 MPH WITH GUSTS TO 30 MPH. .SUNDAY THROUGH MONDAY... MOSTLY CLEAR. LOWS AROUND 50. HIGHS AROUND 80. WINDS SOUTHWEST 5 TO 15 MPH WITH GUSTS TO 30 MPH. $$ FORECASTER...ROB BALFOUR REQUESTED BY...JON HEGGIE FIRE CAPTAIN TYPE OF REQUEST...PRESCRIBED .TAG 20100616.MCCAI.02/SGX