FNUS72 KJAX 161411 FWSJAX SPOT FORECAST FOR C-30 RIVERSIDE...US FOREST SERVICE NATIONAL WEATHER SERVICE JACKSONVILLE FL 911 AM EST THU FEB 16 2012 FORECAST IS BASED ON IGNITION TIME OF 1000 EST ON FEBRUARY 16. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A STALLED FRONT OVER NORTHEAST FLORIDA WILL LIFT NORTH AS A WARM FRONT TODAY. A COLD FRONT WILL MOVE INTO THE FORECAST AREA TONIGHT AND FRIDAY AND THEN LIFT NORTHWARD AS A WARM FRONT ON SATURDAY AS LOW PRESSURE DEVELOPS IN THE GULF OF MEXICO AND TRACKS NORTH OF THE REGION. SHOWERS AND STRONG THUNDERSTORMS WILL BE POSSIBLE SATURDAY NIGHT AS A TRAILING COLD FRONT PUSHES ACROSS THE REGION. NO CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED THROUGH SATURDAY WITH WINDS GENERALLY 15 MPH OR LESS...EXCEPT NEAR ANY STRONG THUNDERSTORM ACTIVITY. DRIER AIR WILL FILTER INTO THE REGION FOR SUNDAY THROUGH TUESDAY WITH POSSIBLE CRITICAL RELATIVE HUMIDITY LEVELS EACH AFTERNOON. WINDS WILL BE BREEZY OUT OF THE NORTHWEST AT 15 TO 25 MPH ON SUNDAY THEN GENERALLY AT 15 MPH OR LESS MONDAY AND TUESDAY. .REST OF TODAY... SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). PATCHY FOG IN THE MORNING. SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON. CHANCE OF SHOWERS LATE IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 79. MIN HUMIDITY........55 PERCENT. WIND (20 FT)........SOUTHWEST WINDS 5 TO 13 MPH. LAL.................1. MIXING HEIGHT.......2200-3900 FT AGL INCREASING TO 3300-4500 FT AGL IN THE AFTERNOON. MIXING WINDS........SOUTHWEST 15 TO 18 MPH. DISPERSION INDEX....52. CHANCE OF PCPN......20 PERCENT. TIME (EST) 10 AM NOON 2 PM 4 PM SKY (%).........60 66 70 70 WEATHER COV..... S CHC S CHC S CHC WEATHER TYPE....NONE RNSHWR RNSHWR RNSHWR TEMP............70 75 78 78 RH..............74 62 55 55 20 FT WIND......S 8 SW 13 SW 13 SW 10 20 FT WIND GUST.15 20 20 15 MIX HGT (FT)....2800 3900 4300 4100 TRANSPORT WIND..S 16 SW 18 SW 18 SW 16 DISPERSION INDX.22 50 53 45 CHC OF PCPN (%).10 20 20 20 LAL.............1 1 1 1 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). CHANCE OF SHOWERS THROUGH THE NIGHT. PATCHY FOG EARLY IN THE MORNING. MIN TEMPERATURE.....AROUND 61. MAX HUMIDITY........97 PERCENT. WIND (20 FT)........SOUTHWEST WINDS 5 TO 7 MPH EARLY IN THE EVENING BECOMING LIGHT. LAL.................1. MIXING HEIGHT.......600-2500 FT AGL DECREASING TO 300-800 FT AGL AFTER MIDNIGHT. MIXING WINDS........WEST 5 TO 14 MPH. DISPERSION INDEX....2. CHANCE OF PCPN......30 PERCENT. LVORI...............7. TIME (EST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........70 71 73 72 69 76 WEATHER COV.....CHANCE S CHC CHANCE S CHC S CHC CHANCE WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TEMP............74 69 66 65 63 62 RH..............63 75 80 85 89 93 20 FT WIND......SW 7 SW 5 SW 3 SW 3 SW 3 SW 2 20 FT WIND GUST.10 5 5 5 5 MIX HGT (FT)....2500 1500 1000 600 400 400 TRANSPORT WIND..SW 14 SW 10 SW 7 SW 5 SW 5 W 6 LVORI...........7 7 7 7 7 7 DISPERSION INDX.30 20 9 2 2 3 CHC OF PCPN (%).30 20 30 20 20 30 LAL.............1 1 1 1 1 1 .FRIDAY... SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). PATCHY FOG EARLY IN THE MORNING. CHANCE OF SHOWERS IN THE MORNING. SHOWERS LIKELY IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 74. MIN HUMIDITY........66 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING WEST 6 MPH IN THE LATE MORNING AND EARLY AFTERNOON...THEN BECOMING LIGHT LATE IN THE AFTERNOON. LAL.................1 UNTIL 1300...THEN 2. MIXING HEIGHT.......900-2700 FT AGL INCREASING TO 2000-3100 FT AGL IN THE AFTERNOON. MIXING WINDS........WEST 8 MPH SHIFTING TO THE NORTH AROUND 7 MPH LATE IN THE AFTERNOON. DISPERSION INDEX....15. CHANCE OF PCPN......50 PERCENT. $$ FORECASTER...SHASHY REQUESTED BY...JARED NOBLES TYPE OF REQUEST...PRESCRIBED .TAG 20120216.C30RI.01/JAX