Expires:200809151315;;351184 FPUS55 KVEF 142156 ZFPVEF FIRE WEATHER PLANNING FORECAST FOR SOUTHERN NEVADA NORTHWEST ARIZONA AND SOUTHEAST CALIFORNIA NATIONAL WEATHER SERVICE LAS VEGAS NV 300 PM PDT SUN SEP 14 2008 .DISCUSSION...HIGH PRESSURE WILL REMAIN OVER THE WEST THROUGH MONDAY...BRINGING CLEAR SKIES AND WARM TEMPERATURES. A LOW PRESSURE SYSTEM APPROACHING THE CALIFORNIA COAST TUESDAY WILL DRAW MOISTURE BACK TO THE REGION...WHICH WILL LEAD TO COOLER TEMPERATURES AND A CHANCE OF SHOWERS AND THUNDERSTORMS FOR THE MIDDLE OF THE WEEK. NOTE: THUNDERSTORMS IMPLY GUSTY AND ERRATIC WINDS. NOTE: PLEASE SEE OPERATING PLAN FOR DETAILED ZONE DESCRIPTIONS AT: HTTP://WWW.WRH.NOAA.GOV/VEF/FIRE.PHP AZZ102-151315- NORTHWEST DESERTS/NORTHWEST PLATEAU- 300 PM MST SUN SEP 14 2008 .TONIGHT... SKY/WEATHER.........CLEAR. MIN TEMPERATURE: 4000 FEET.......58-68. 7000 FEET.......45-55. 24 HR TREND.....LITTLE CHANGE. MAX HUMIDITY: 4000 FEET.......17-27 PERCENT. 7000 FEET.......25-35 PERCENT. 24 HR TREND.....LITTLE CHANGE. WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG): SLOPE/VALLEY....DOWNSLOPE/DOWNVALLEY 4 TO 9 MPH. 10000 FT MSL....NORTHEAST UP TO 10 MPH. CHANCE OF PRECIP....0 PERCENT. CWR (>= 0.10 IN)....0 PERCENT. LAL.................1. HAINES INDEX........5. .MONDAY... SKY/WEATHER.........SUNNY. MAX TEMPERATURE: 4000 FEET.......88-101. 7000 FEET.......74-82. 24 HR TREND.....ON AVERAGE UP 3 DEGREES. MIN HUMIDITY: 4000 FEET.......8-18 PERCENT. 7000 FEET.......12-17 PERCENT. 24 HR TREND.....ON AVERAGE UP 5 PERCENT. WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG): SLOPE/VALLEY....UPSLOPE/UPVALLEY 4 TO 9 MPH. 10000 FT MSL....EAST AROUND 10 MPH. CHANCE OF PRECIP....0 PERCENT. CWR (>= 0.10 IN)....0 PERCENT. LAL.................1. HAINES INDEX........5. MIXING HEIGHT.......13500 FT AGL. TRANSPORT WINDS.....EAST AROUND 10 KNOTS IN THE MORNING BECOMING LIGHT AND VARIABLE. VENTILATION.........FAIR. .MONDAY NIGHT... SKY/WEATHER.........MOSTLY CLEAR. MIN TEMPERATURE: 4000 FEET.......59-69. 7000 FEET.......47-57. 24 HR TREND.....ON AVERAGE UP 2 DEGREES. MAX HUMIDITY: 4000 FEET.......24-34 PERCENT. 7000 FEET.......26-36 PERCENT. 24 HR TREND.....ON AVERAGE UP 7 PERCENT. WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG): SLOPE/VALLEY....SOUTHEAST WIND UP TO 10 MPH. 10000 FT MSL....NORTHEAST UP TO 10 MPH. CHANCE OF PRECIP....0 PERCENT. CWR (>= 0.10 IN)....0 PERCENT. LAL.................1. HAINES INDEX........6. .TUESDAY... SKY/WEATHER.........PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS IN THE LATE MORNING AND AFTERNOON. MAX TEMPERATURE: 4000 FEET.......84-94. 7000 FEET.......70-78. 24 HR TREND.....ON AVERAGE DOWN 7 DEGREES. MIN HUMIDITY: 4000 FEET.......14-22 PERCENT. 7000 FEET.......18-25 PERCENT. 24 HR TREND.....ON AVERAGE UP 4 PERCENT. WIND (SLOPE/VALLEY=20 FT, 10 MIN AVG): SLOPE/VALLEY....SOUTH WIND 10 TO 15 MPH. 10000 FT MSL....NORTHEAST AROUND 10 MPH SHIFTING TO THE EAST IN THE AFTERNOON. CHANCE OF PRECIP....20 PERCENT. CWR (>= 0.10 IN)....0 PERCENT. LAL.................2. HAINES INDEX........6. MIXING HEIGHT.......14500 FT AGL. TRANSPORT WINDS.....SOUTHEAST AROUND 10 KNOTS. VENTILATION.........GOOD. .EXTENDED... .WEDNESDAY...PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS IN THE UPPER 50S TO UPPER 60S. HIGHS IN THE MID 80S TO MID 90S. SOUTHWEST WIND UP TO 10 MPH. .THURSDAY...PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS IN THE UPPER 50S TO UPPER 60S. HIGHS IN THE LOWER 80S TO LOWER 90S. SOUTHWEST WIND UP TO 10 MPH. .FRIDAY...PARTLY CLOUDY. LOWS IN THE UPPER 50S TO UPPER 60S. HIGHS IN THE LOWER 80S TO LOWER 90S. SOUTHWEST WIND UP TO 10 MPH. $$