FNUS72 KJAX 101008 FWSJAX SPOT FORECAST FOR DUNNS CREEK C4...FL PARK SERVICE NATIONAL WEATHER SERVICE JACKSONVILLE FL 608 AM EDT FRI MAY 10 2013 FORECAST IS BASED ON IGNITION TIME OF 0625 EDT ON MAY 10. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...HIGH PRESSURE AND MAINLY DRY CONDITIONS THROUGH FRIDAY IS EXPECTED TO GIVE WAY TO SCATTERED SHOWERS AND STORMS OVER THE WEEKEND AS A COLD FRONT PUSHES INTO THE REGION. HIGHS WILL PUSH INTO THE 85 TO 90 DEGREE RANGE BEFORE THE COLD FRONT SWEEPS THROUGH SUNDAY NIGHT AND COOLER AND DRIER AIR MASS SETTLES INTO THE FORECAST AREA EARLY NEXT WEEK. WINDS ARE GENERALLY EXPECTED TO REMAIN LESS THAN 15 MPH EXCEPT STRONG AND GUSTY NEAR ANY THUNDERSTORM ACTIVITY. RELATIVE HUMIDITIES WILL FALL TO AROUND 35 PERCENT RANGE OVER INLAND AREAS FRIDAY AFTERNOON BUT OTHERWISE WILL REMAIN ABOVE CRITICAL LEVELS THROUGH THE WEEKEND. DRIER AIR MASS WILL PUSH INTO THE REGION EARLY NEXT WEEK...RH'S ARE EXPECTED TO REMAIN ABOVE CRITICAL VALUES. FOG POTENTIAL AND OTHER REMARKS...PATCHY FOG IS POSSIBLE ACROSS THE INLAND AREAS THE NEXT SEVERAL NIGHTS. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT). SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS LATE IN THE AFTERNOON. TEMPERATURE.........63 AT IGNITION...MAX 90. RH..................96 PERCENT AT IGNITION...MIN 34 PERCENT. WIND (20 FT)........WINDS SOUTH AT 1 MPH AT IGNITION...OTHERWISE LIGHT WINDS BECOMING SOUTH 6 TO 8 MPH IN THE LATE MORNING AND AFTERNOON. LAL.................1 UNTIL 1700...THEN 2. MIXING HEIGHT.......1000 FT AGL AT IGNITION...OTHERWISE 900-2800 FT AGL INCREASING TO 6100 FT AGL. MIXING WINDS........SOUTH 6 TO 12 MPH. DISPERSION INDEX....10 INCREASING TO 82. CHANCE OF PCPN......0 PERCENT. TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........22 24 28 28 31 37 WEATHER COV..... S CHC WEATHER TYPE....NONE NONE NONE NONE NONE TSTORM TEMP............63 72 82 88 89 89 RH..............96 87 58 43 35 36 20 FT WIND......S 1 SE 3 SE 7 SE 8 SE 8 S 7 20 FT WIND GUST. 5 10 10 10 10 MIX HGT (FT)....1000 2000 3700 5300 6100 6100 TRANSPORT WIND..S 6 S 8 S 9 S 12 S 12 S 12 DISPERSION INDX.9 22 44 67 82 84 CHC OF PCPN (%).0 0 0 0 10 20 LAL.............1 1 1 1 1 2 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT) THEN BECOMING MOSTLY CLOUDY (45-55 PERCENT). SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING. TEMPERATURE.........MIN 64. RH..................MAX 100 PERCENT. WIND (20 FT)........SOUTH WINDS 5 TO 7 MPH UNTIL EARLY MORNING BECOMING LIGHT. LAL.................2 UNTIL 2100...THEN 1. MIXING HEIGHT.......3200-4600 FT AGL DECREASING TO 300-1700 FT AGL EARLY IN THE EVENING. MIXING WINDS........SOUTHWEST 5 TO 12 MPH. DISPERSION INDEX....68 DECREASING TO 5. CHANCE OF PCPN......10 PERCENT. LVORI...............4. TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........37 37 40 43 46 50 WEATHER COV.....S CHC S CHC WEATHER TYPE....TSTORM TSTORM NONE NONE NONE NONE TEMP............86 80 74 71 68 66 RH..............41 58 72 80 86 92 20 FT WIND......S 6 SE 7 S 7 S 6 S 5 S 3 20 FT WIND GUST.10 10 10 10 5 MIX HGT (FT)....4600 1700 1200 800 300 600 TRANSPORT WIND..SW 12 SW 10 SW 8 SW 6 SW 5 SW 6 LVORI...........1 3 3 4 5 6 DISPERSION INDX.68 7 6 5 4 3 CHC OF PCPN (%).20 20 10 0 0 0 LAL.............2 2 1 1 1 1 $$ FORECASTER...PETERSON REQUESTED BY...JASON DEPUE TYPE OF REQUEST...PRESCRIBED .TAG 20130510.DUNNS.01/JAX