FNUS72 KJAX 281238 FWSJAX SPOT FORECAST FOR BOMBING RANGE 12...USDA FOREST SERVICE NATIONAL WEATHER SERVICE JACKSONVILLE FL 838 AM EDT FRI MAY 28 2010 FORECAST IS BASED ON IGNITION TIME OF 0900 EDT ON MAY 28. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION....A BROAD UPPER LEVEL TROUGH CURRENTLY ENCOMPASSES MUCH OF THE EASTERN UNITED STATES. THIS FEATURE IS FORECAST TO CONSOLIDATE OVER THE GULF COAST REGION INTO THE WEEKEND...BRINGING AN INCREASINGLY MOIST AND UNSTABLE ENVIRONMENT. THIS IN CONCERT WITH THE SEA-BREEZE INTERACTIONS WILL INCREASE THE COVERAGE OF SHOWERS AND THUNDERSTORMS THROUGH THE WEEKEND. ACTIVITY WILL LIKELY BECOME MOST NUMEROUS ALONG THE INTERSTATE 75 EACH AFTERNOON. MINIMUM RH VALUES WILL BOTTOM OUT AROUND 40 PERCENT TODAY OVER EASTERN MARION COUNTY. WINDS WILL SUSTAIN BELOW 15 MPH...HOWEVER STRONGER GUSTS CAN BE EXPECTED WITH ANY THUNDERSTORM DEVELOPMENT. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT)...BECOMING PARTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 91. MIN HUMIDITY........41 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING EAST AROUND 5 TO 7 MPH LATE IN THE AFTERNOON. LAL.................1 UNTIL 1200...THEN 3. MIXING HEIGHT.......800-1400 FT AGL INCREASING TO NEAR 6500 FT AGL. MIXING WINDS........SOUTHWEST AROUND 5 MPH SHIFTING TO THE EAST 3 TO 7 MPH LATE IN THE MORNING. DISPERSION INDEX....32. CHANCE OF PCPN......30 PERCENT. TIME (EDT) 9 AM 11 AM 1 PM 3 PM 5 PM SKY (%).........15 29 34 42 44 WEATHER COV..... CHANCE CHANCE CHANCE WEATHER TYPE....NONE NONE TSTORM TSTORM TSTORM TEMP............79 85 89 90 88 RH..............74 57 46 44 47 20 FT WIND......SSW 2 S 3 SE 4 E 3 E 5 20 FT WIND GUST.5 5 7 7 10 MIX HGT (FT)....1400 3900 3900 6500 5200 TRANSPORT WIND..SW 5 SE 3 SE 3 E 5 SE 7 DISPERSION INDX.2 2 16 24 41 CHC OF PCPN (%).10 10 40 40 40 LAL.............1 3 3 3 3 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT) THEN BECOMING MOSTLY CLEAR (10-20 PERCENT) LATE. CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING. MIN TEMPERATURE.....AROUND 69. MAX HUMIDITY........97 PERCENT. WIND (20 FT)........EAST WINDS 5 TO 7 MPH UNTIL EARLY MORNING BECOMING LIGHT. LAL.................3 UNTIL 2000...THEN 2. MIXING HEIGHT.......5200 FT AGL DECREASING TO 300-1600 FT AGL EARLY IN THE EVENING. MIXING WINDS........EAST 5 TO 9 MPH. CHANCE OF PCPN......20 PERCENT. LVORI...............6. TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........44 42 45 45 20 16 WEATHER COV.....CHANCE S CHC S CHC S CHC S CHC S CHC WEATHER TYPE....TSTORM TSTORM TSTORM TSTORM TSTORM TSTORM TEMP............86 82 77 75 73 72 RH..............50 61 73 80 85 89 20 FT WIND......E 6 E 7 E 6 E 5 E 5 E 3 20 FT WIND GUST.10 10 10 10 5 MIX HGT (FT)....5200 1600 1600 1000 300 300 TRANSPORT WIND..SE 7 SE 9 SE 9 E 7 E 5 E 5 LVORI...........6 6 6 6 6 6 DISPERSION INDX.41 19 19 5 2 2 CHC OF PCPN (%).40 20 20 20 20 20 LAL.............3 2 2 2 2 2 .SATURDAY... SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT) THEN BECOMING MOSTLY CLOUDY (65-75 PERCENT). CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING. SHOWERS AND THUNDERSTORMS LIKELY IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 87. MIN HUMIDITY........51 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING EAST 5 TO 7 MPH IN THE LATE MORNING AND AFTERNOON. LAL.................1 UNTIL 0800...THEN 3 UNTIL 1400...THEN 4. MIXING HEIGHT.......1000-1700 FT AGL INCREASING TO 3100-4600 FT AGL LATE IN THE MORNING. MIXING WINDS........SOUTHEAST 6 TO 12 MPH. DISPERSION INDEX....35. CHANCE OF PCPN......40 PERCENT. $$ FORECASTER...SHASHY REQUESTED BY...TAMMY MILTON TYPE OF REQUEST...PRESCRIBED .TAG 20100528.BOMBI.01/JAX