FNUS72 KJAX 231327 FWSJAX SPOT FORECAST FOR CARY...FFS NATIONAL WEATHER SERVICE JACKSONVILLE FL 827 AM EST WED JAN 23 2013 FORECAST IS BASED ON IGNITION TIME OF 1000 EST ON JANUARY 23. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... A VERY DRY AIR MASS WILL CONTINUE OVER THE REGION TODAY AS HIGH PRESSURE BUILDS OVER THE SOUTHEASTERN STATES. LONG DURATIONS OF CRITICALLY LOW RELATIVE HUMIDITY ARE EXPECTED ONCE AGAIN. WINDS WILL BE OUT OF THE NORTHWEST AROUND 5 TO 10 MPH. .TODAY... SKY/WEATHER.........SUNNY (0-10 PERCENT). WIDESPREAD FROST EARLY IN THE MORNING. MAX TEMPERATURE.....AROUND 61. MIN HUMIDITY........26 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING WEST 5 TO 8 MPH IN THE LATE MORNING AND AFTERNOON. MIXING HEIGHT.......700-2200 FT AGL INCREASING TO 2700-3700 FT AGL IN THE AFTERNOON. MIXING WINDS........NORTHWEST 10 TO 12 MPH. DISPERSION INDEX....14 INCREASING TO 25 LATE IN THE MORNING...THEN INCREASING TO 49 IN THE AFTERNOON. LVORI...............3. TIME (EST) 10 AM NOON 2 PM 4 PM SKY (%).........2 7 9 8 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TEMP............50 60 61 61 RH..............42 27 27 30 20 FT WIND......NW 5 NW 6 NW 8 W 8 20 FT WIND GUST. 10 10 10 MIX HGT (FT)....1800 2700 3300 3700 TRANSPORT WIND..N 12 NW 12 NW 12 W 12 LVORI...........2 1 1 1 DISPERSION INDX.27 40 49 52 $$ FORECASTER...SHULER REQUESTED BY...DEVON MCFALL TYPE OF REQUEST...PRESCRIBED .TAG 20130123.CARY_.01/JAX