FNUS72 KJAX 121259 FWSJAX SPOT FORECAST FOR NORWALK...USFS NATIONAL WEATHER SERVICE JACKSONVILLE FL 859 AM EDT THU JUL 12 2012 FORECAST IS BASED ON IGNITION TIME OF 1015 EDT ON JULY 12. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...HIGH PRESSURE RIDGE OVER THE AREA WILL SLOWLY LIFT NORTHWARD THROUGH THE WEEKEND. SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED THROUGH FRIDAY...MAINLY DURING THE AFTERNOON AND EVENING HOURS. LOCALLY HEAVY RAINFALL AND GUSTY WINDS WILL BE POSSIBLE IN THE STRONGER THUNDERSTORM ACTIVITY. A RETURN TO MORE ISOLATED TO SCATTERED THUNDERSTORM ACTIVITY IS EXPECTED OVER THE WEEKEND AND EARLY NEXT WEEK AS THE ONSHORE FLOW CONTINUES. RELATIVE HUMIDITY VALUES WILL REMAIN WELL ABOVE CRITICAL LEVELS THROUGH THE PERIOD. A LIGHT WIND FROM THE EAST-SOUTHEAST AT THE BURN SITE WILL EVENTUALLY BECOME DOMINATE FROM THE EAST IN THE AFTERNOON HOURS AROUND 10-15 MPH WITH OCCASIONAL HIGHER GUSTS. HIGH HUMIDITIES WILL ALLOW FOR RAPID DEVELOPING OF SCATTERED CUMULUS BY MID MORNING HOUR...WITH A SLIGHT CHANCE OF SHOWER OR AN ISOLATED THUNDERSTORM BETWEEN 1030 AM AND NOON. THEN A CHANCE OF SHOWERS AND STORMS THE REST OF THE AFTERNOON. .REST OF TODAY... SKY/WEATHER.........PARTLY SUNNY (45-60 PERCENT). SLIGHT CHANCE OF SHOWERS LATE IN THE MORNING. THEN CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 90. MIN HUMIDITY........54 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING EAST 5 TO 12 MPH IN THE LATE MORNING AND AFTERNOON. LAL.................1 UNTIL 1200...THEN 2 UNTIL 1300...THEN 3. MIXING HEIGHT.......1200-2100 FT AGL INCREASING TO 2700-3600 FT AGL LATE IN THE MORNING. MIXING WINDS........EAST 2 TO 8 MPH INCREASING TO 12 TO 18 MPH LATE IN THE MORNING. DISPERSION INDEX....5 INCREASING TO 60. CHANCE OF PCPN......40 PERCENT. LVORI...............5. TIME (EDT) 10 AM NOON 2 PM 4 PM SKY (%).........46 54 67 68 WEATHER COV.....S CHC CHANCE CHANCE CHANCE WEATHER TYPE....RNSHWR TSTORM TSTORM TSTORM TEMP............86 90 90 89 RH..............70 59 54 58 20 FT WIND......ESE 7 E 10 E 12 E 12 20 FT WIND GUST.10 15 15 15 MIX HGT (FT)....2700 3400 3600 3400 TRANSPORT WIND..E 12 E 14 E 16 E 18 DISPERSION INDX.8 46 46 60 CHC OF PCPN (%).20 30 30 30 LAL.............1 3 3 3 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT). CHANCE OF SHOWERS AND THUNDERSTORMS MAINLY IN THE EVENING. MIN TEMPERATURE.....AROUND 74. MAX HUMIDITY........92 PERCENT. WIND (20 FT)........SOUTHEAST WINDS 5 TO 10 MPH UNTIL EARLY MORNING BECOMING LIGHT. LAL.................3 UNTIL 0300...THEN 1. MIXING HEIGHT.......1000-2900 FT AGL DECREASING TO 600-900 FT AGL AFTER MIDNIGHT. MIXING WINDS........EAST 9 TO 18 MPH. DISPERSION INDEX....57 DECREASING TO 7. CHANCE OF PCPN......30 PERCENT. LVORI...............4. TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........68 65 65 60 56 52 WEATHER COV.....CHANCE CHANCE CHANCE CHANCE CHANCE WEATHER TYPE....TSTORM TSTORM TSTORM TSTORM TSTORM NONE TEMP............87 82 79 77 76 75 RH..............61 70 80 87 89 92 20 FT WIND......E 10 E 7 E 6 E 5 SE 5 E 3 20 FT WIND GUST.15 10 10 5 MIX HGT (FT)....2900 2100 1300 900 700 600 TRANSPORT WIND..E 18 E 18 E 15 E 12 SE 9 E 9 LVORI...........1 3 3 5 5 6 DISPERSION INDX.58 48 24 9 6 5 CHC OF PCPN (%).30 40 40 30 30 10 LAL.............3 3 3 3 3 1 .FRIDAY... SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT). CHANCE OF SHOWERS AND THUNDERSTORMS. MAX TEMPERATURE.....AROUND 91. MIN HUMIDITY........58 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING EAST 5 TO 12 MPH EARLY IN THE MORNING. LAL.................1 UNTIL 1200...THEN 3. MIXING HEIGHT.......500-1900 FT AGL INCREASING TO 2500-3200 FT AGL LATE IN THE MORNING. MIXING WINDS........EAST 9 TO 17 MPH. DISPERSION INDEX....9 INCREASING TO 52. CHANCE OF PCPN......30 PERCENT. LVORI...............4. $$ FORECASTER...SHASHY REQUESTED BY...JOHN RAMSAY TYPE OF REQUEST...PRESCRIBED .TAG 20120712.NORWA.01/JAX