FNUS76 KSGX 011650 FWSSGX SPOT FORECAST FOR LAKE MATHEWS VMP 1...CDF RRU NATIONAL WEATHER SERVICE SAN DIEGO CA 950 AM PDT TUE JUN 1 2010 FORECAST IS BASED ON IGNITION TIME OF 0800 PDT ON JUNE 02. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... HIGH PRESSURE REBUILDING ALOFT TODAY THROUGH SUNDAY WILL BRING A WARMING AND DRYING TREND. STRONG INVERSION NEAR 2200 FEET WEDNESDAY MORNING. INVERSION SHOULD BE WEAKER AND LOWER WEDNESDAY NIGHT INTO THURSDAY MORNING. TEMPERATURES WILL WARM ABOUT 5 DEGREES EACH DAY BUT LINGERING MARINE AIR THROUGH FRIDAY SHOULD KEEP RELATIVE HUMIDITY ABOVE 25 PERCENT UNTIL THE WEEKEND. .TODAY/WEDNESDAY... SKY/WEATHER.........MOSTLY SUNNY. MAX TEMPERATURE.....AROUND 80. MIN HUMIDITY........35 PERCENT. WIND (20 FT).............. MID SLOPES.........VARIABLE/UPSLOPE 1-2 MPH IN THE MORNING... BECOMING WEST 5-10 MPH IN THE AFTERNOON WITH GUSTS 20 MPH LATE AFTERNOON. UPR SLP/RIDGETOP...EAST 2-5 MPH IN THE MORNING... WEST 5 TO 10 MPH IN THE AFTERNOON. CWR.................0 PERCENT. MIXING HEIGHT.......STRONG MARINE LAYER INVERSION NEAR 2200 FT IN THE MORNING WILL LIMIT MIXING HEIGHT TO 1000 FT AGL... INVERSION WEAKENING AND LIFTING DURING THE AFTERNOON WITH MIXING HEIGHT INCREASING TO 3500 FT AGL. MIXING WINDS........WEST 5 MPH...BECOMING 10 MPH LATE IN THE AFTERNOON. TIME (PDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM SKY (%).........20 20 20 18 18 18 18 18 18 18 WEATHER COV..... WEATHER TYPE.... TEMP............62 66 71 74 77 79 79 79 80 79 RH..............69 59 51 45 41 38 38 39 37 39 20 FT WIND DIR..NW NW NW N N N NW NW NW NW 20 FT WIND SPD..1 2 3 4 4 4 8 8 8 8 20 FT WIND GUST.2 3 5 5 5 5 10 10 10 20 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR. MIN TEMPERATURE.....AROUND 57. MAX HUMIDITY........85 PERCENT. WIND (20 FT).............. MID SLOPES.........NORTHWEST 10 MPH IN THE EVENING BECOMING LIGHT. UPR SLP/RIDGETOP...NORTH 5 TO 10 MPH. CWR.................0 PERCENT. MIXING HEIGHT.......1500 FT AGL UNTIL 1930 PDT...THEN INVERSION DEVELOPING WITHIN 500 FT AGL. MIXING WINDS........NORTH 5 TO 10 MPH. TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM SKY (%).........18 18 18 18 18 13 13 13 13 13 13 14 WEATHER COV..... WEATHER TYPE.... TEMP............77 74 70 67 65 64 63 61 60 59 59 58 RH..............41 45 52 57 62 64 68 72 75 78 81 84 20 FT WIND DIR..NW NW NW NW NW N N N NW NW NW SE 20 FT WIND SPD..8 8 4 4 4 0 0 0 0 0 0 0 20 FT WIND GUST.20 20 5 5 5 .THURSDAY... SKY/WEATHER.........MOSTLY SUNNY. MAX TEMPERATURE.....AROUND 85. MIN HUMIDITY........NEAR 30 PERCENT. WIND................ MID SLOPES.........NORTHEAST/UPSLOPE 2 TO 5 MPH IN THE MORNING... WEST 5 TO 10 MPH IN THE AFTERNOON. UPR SLP/RIDGETOP...NORTH 5 MPH IN THE MORNING BECOMING SOUTHWEST 5 MPH IN THE AFTERNOON. CWR.................0 PERCENT. MIXING HEIGHT.......WEAK INVERSION WITHIN 500 FT AGL THROUGH 0900 PDT... THEN MIXING TO 4000 FT AGL LATE MORNING THROUGH MID AFTERNOON. MIXING WINDS........WEST 5 MPH...BECOMING 10 MPH LATE IN THE AFTERNOON. .FORECAST DAYS 3 THROUGH 5... .FRIDAY... MOSTLY CLEAR. LOWS AROUND 58. HIGHS AROUND 90. WINDS WEST 10 MPH. MINIMUM RELATIVE HUMIDITY 25 PERCENT. MAXIMUM RELATIVE HUMIDITY 55 PERCENT. .SATURDAY THROUGH SUNDAY... MOSTLY CLEAR. LOWS AROUND 60. HIGHS 93 TO 96. WINDS WEST 10 MPH. MINIMUM RELATIVE HUMIDITY 10 PERCENT. MAXIMUM RELATIVE HUMIDITY 45 PERCENT. $$ FORECASTER...ROB BALFOUR REQUESTED BY...TODD HOPKINS TYPE OF REQUEST...PRESCRIBED .TAG 20100602.LAKEM.01/SGX