FNUS72 KJAX 211650 FWSJAX SPOT FORECAST FOR COMP 249 MOSS BLUFF...USFS NATIONAL WEATHER SERVICE JACKSONVILLE FL 1150 AM EST MON DEC 21 2009 FORECAST IS BASED ON IGNITION TIME OF 1150 EST ON DECEMBER 21. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. ...FIRE WEATHER WATCH IN EFFECT TUESDAY AFTERNOON... .DISCUSSION... HIGH PRESSURE WILL WILL SETTLE OVER THE FORECAST AREA TODAY AND TUESDAY. HIGH PRESSURE WILL MOVE EAST OF THE REGION WEDNESDAY AS THE NEXT FRONTAL SYSTEM PUSHES INTO THE FORECAST AREA WITH THE NEXT CHANCE OF RAIN ON THURSDAY AND FRIDAY. HIGH PRESSURE AND DRY WEATHER WILL MOVE BACK INTO THE REGION OVER THE WEEKEND. A FIRE WEATHER WATCH HAS BEEN POSTED FOR MOST OF INLAND NORTHEAST FLORIDA TUESDAY AFTERNOON AS MIN RH VALUES FALL INTO THE 25 TO 35 PERCENT RANGE AND DURATIONS OF CRITICAL RH'S OF UP TO 4 TO 6 HOURS WILL BE POSSIBLE. SUSTAINED WINDS WILL BE LESS THAN 10 MPH. RED FLAG CONDITIONS ARE NOT EXPECTED FROM WEDNESDAY THROUGH FRIDAY. DRIER AIR FILTERING INTO THE REGION NEXT WEEKEND MAY BRING CONDITIONS CLOSE TO RED FLAGS ONCE AGAIN. SUSTAINED WINDS WILL BE LESS THAN 15 MPH ON WEDNESDAY... THEN WILL INCREASE TO AROUND 15 MPH AND GUSTY IN ASSOCIATION WITH THE NEXT FRONTAL SYSTEM ON THURSDAY AND FRIDAY WITH CONTINUED GUSTY NORTHWEST FLOW NEXT WEEKEND AS WELL. .REST OF TODAY... SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT). MAX TEMPERATURE.....AROUND 59. MIN HUMIDITY........29 PERCENT. WIND (20 FT)........NORTH WINDS 7 TO 9 MPH. LAL.................1. MIXING HEIGHT.......1400-2500 FT AGL. MIXING WINDS........NORTH 10 TO 14 MPH. DISPERSION INDEX....36. CHANCE OF PCPN......0 PERCENT. TIME (EST) NOON 2 PM 4 PM SKY (%).........60 61 61 WEATHER COV..... WEATHER TYPE....NONE NONE NONE TEMP............54 57 56 RH..............41 33 35 20 FT WIND......N 9 N 9 N 9 20 FT WIND GUST.15 15 15 MIX HGT (FT)....1400 2500 2200 TRANSPORT WIND..N 14 N 13 N 10 CHC OF PCPN (%).0 0 0 LAL.............1 1 1 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT) THEN BECOMING PARTLY CLOUDY (35-45 PERCENT). AREAS OF FROST EARLY IN THE MORNING. MIN TEMPERATURE.....AROUND 34. MAX HUMIDITY........83 PERCENT. WIND (20 FT)........NORTH WINDS AROUND 5 MPH EARLY IN THE EVENING BECOMING LIGHT. LAL.................1. MIXING HEIGHT.......300-2200 FT AGL. MIXING WINDS........NORTH 3 TO 10 MPH. DISPERSION INDEX....2. CHANCE OF PCPN......0 PERCENT. TIME (EST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........61 56 56 56 38 38 WEATHER COV..... AREAS WEATHER TYPE....NONE NONE NONE NONE NONE FROST TEMP............49 43 41 39 37 36 RH..............48 61 69 73 76 79 20 FT WIND......N 5 N 3 N 3 N 3 N 2 N 2 20 FT WIND GUST.10 5 5 5 5 5 MIX HGT (FT)....2200 900 300 300 300 300 TRANSPORT WIND..N 10 N 8 N 5 N 5 N 3 N 6 CHC OF PCPN (%).0 0 0 0 0 0 LAL.............1 1 1 1 1 1 .TUESDAY... SKY/WEATHER.........SUNNY (15-25 PERCENT). AREAS OF FROST EARLY IN THE MORNING. MAX TEMPERATURE.....AROUND 67. MIN HUMIDITY........29 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING NORTHEAST 5 TO 8 MPH EARLY IN THE MORNING. LAL.................1. MIXING HEIGHT.......300-1600 FT AGL INCREASING TO 2700-2800 FT AGL IN THE AFTERNOON. MIXING WINDS........NORTHEAST 6 TO 12 MPH. DISPERSION INDEX....28. CHANCE OF PCPN......0 PERCENT. TIME (EST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........38 6 6 6 6 6 WEATHER COV.....AREAS WEATHER TYPE....FROST NONE NONE NONE NONE NONE TEMP............35 37 50 61 65 65 RH..............81 81 55 36 31 32 20 FT WIND......N 3 N 5 N 7 NE 7 NE 8 NE 7 20 FT WIND GUST.5 10 10 10 10 MIX HGT (FT)....300 800 1600 1600 2800 2700 TRANSPORT WIND..N 6 N 10 NE 12 NE 12 NE 8 NE 9 CHC OF PCPN (%).0 0 0 0 0 0 LAL.............1 1 1 1 1 1 $$ FORECASTER...LETRO REQUESTED BY...MIKE WILLIAMS TYPE OF REQUEST...PRESCRIBED .TAG 20091221.COMP2.01/JAX