FNUS72 KJAX 300904 FWSJAX SPOT FORECAST FOR IMPASSABLE BAY...USDA-FOREST SERVICE NATIONAL WEATHER SERVICE JACKSONVILLE FL 504 AM EDT THU JUN 30 2011 FORECAST IS BASED ON REQUEST TIME OF 0444 EDT ON JUNE 30. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...LOW CEILINGS DEVELOPED ACROSS MUCH OF NORTH FLORIDA THIS MORNING ON THE SOUTH SIDE OF A BROAD SURFACE LOW POSITIONED ACROSS NE FL AND SE GA EARLY THIS MORNING. THIS BROAD LOW IS EXPECTED TO GRADUALLY SHIFT FARTHER WSW THIS MORNING...WHICH SHOULD ENABLE LOW CIGS TO RISE BY MID-MORNING AFTER SUNRISE. SHOWERS WILL BE POSSIBLE NEAR THE FIRE SITE THIS MORNING...WITH THUNDERSTORMS BY LATE MORNING AND INTO THE AFTERNOON. LOCALLY HEAVY RAINFALL WILL BE POSSIBLE WITH SLOW STORM MOTION. WINDS WILL BE GUSTY AND ERRATIC NEAR THUNDERSTORMS AND RESULTANT OUTFLOW BOUNDARIES. .TODAY... SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE MORNING...THEN CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE MORNING. MAX TEMPERATURE.....AROUND 92. MIN HUMIDITY........53 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST AROUND 5 MPH LATE IN THE AFTERNOON. LAL.................2 UNTIL 0800...THEN 3. MIXING HEIGHT.......600 FT AGL INCREASING TO 3200-4600 FT AGL EARLY IN THE MORNING. MIXING WINDS........SOUTHWEST AROUND 6 MPH SHIFTING TO THE NORTHEAST LATE IN THE AFTERNOON. DISPERSION INDEX....22. CHANCE OF PCPN......40 PERCENT. TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........74 68 68 65 65 65 WEATHER COV.....S CHC CHANCE CHANCE CHANCE CHANCE CHANCE WEATHER TYPE....TSTORM TSTORM TSTORM TSTORM TSTORM TSTORM TEMP............71 74 84 90 92 91 RH..............100 97 72 59 53 55 20 FT WIND......SW 2 SW 2 W 2 NW 1 NE 1 E 2 20 FT WIND GUST.5 5 5 5 5 5 MIX HGT (FT)....600 3200 3200 4100 4600 4600 TRANSPORT WIND..S 6 SW 6 SW 6 W 5 N 3 N 3 DISPERSION INDX.3 19 19 17 25 25 CHC OF PCPN (%).20 40 40 40 50 50 LAL.............2 3 3 3 3 3 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT) THEN BECOMING PARTLY CLOUDY (30-40 PERCENT). CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING...THEN SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING. PATCHY FOG EARLY IN THE MORNING. MIN TEMPERATURE.....AROUND 70. MAX HUMIDITY........100 PERCENT. WIND (20 FT)........SOUTHEAST WINDS 5 TO 6 MPH EARLY IN THE EVENING BECOMING LIGHT. LAL.................3 UNTIL 2000...THEN 2. MIXING HEIGHT.......3100-4500 FT AGL DECREASING TO 200-500 FT AGL LATE IN THE EVENING. MIXING WINDS........NORTHEAST AROUND 6 MPH DECREASING TO 1 TO 8 MPH EARLY IN THE EVENING. DISPERSION INDEX....1. CHANCE OF PCPN......30 PERCENT. LVORI...............9. TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........63 58 58 53 33 33 WEATHER COV.....CHANCE S CHC S CHC S CHC S CHC S CHC WEATHER TYPE....TSTORM TSTORM TSTORM TSTORM TSTORM TSTORM TEMP............87 82 77 75 73 71 RH..............62 74 86 92 95 98 20 FT WIND......SE 6 SE 6 S 2 S 0 W 0 NW 0 20 FT WIND GUST. 10 5 5 MIX HGT (FT)....4500 3100 3100 400 200 200 TRANSPORT WIND..NE 6 SE 8 SE 8 E 5 N 1 N 1 LVORI...........9 9 9 9 9 9 DISPERSION INDX.27 5 4 2 1 1 CHC OF PCPN (%).50 20 20 20 20 20 LAL.............3 2 2 2 2 2 .FRIDAY... SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT). PATCHY FOG EARLY IN THE MORNING. MAX TEMPERATURE.....AROUND 95. MIN HUMIDITY........42 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING EAST 5 TO 7 MPH LATE IN THE MORNING. LAL.................1. MIXING HEIGHT.......500 FT AGL INCREASING TO 6000-6100 FT AGL. MIXING WINDS........EAST 2 TO 9 MPH INCREASING TO AROUND 12 MPH LATE IN THE AFTERNOON. DISPERSION INDEX....62. $$ FORECASTER...ENYEDI REQUESTED BY...PETER MYERS TYPE OF REQUEST...WILDFIRE .TAG 20110630.IMPAS.01/JAX