FNUS72 KJAX 231027 FWSJAX SPOT FORECAST FOR PPSP 16...FLA PARK SERVICE NATIONAL WEATHER SERVICE JACKSONVILLE FL 627 AM EDT THU APR 23 2009 FORECAST IS BASED ON IGNITION TIME OF 0945 EDT ON APRIL 23. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 7 PM EDT THIS EVENING DUE TO LOW RH VALUES... ...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING DUE TO LOW RH VALUES... SURFACE HIGH PRESSURE OVER CENTRAL FLORIDA HAS RESULTED IN SOUTHWESTERLY WINDS EARLY THIS MORNING. THIS FLOW REGIME WILL CONTINUE TO PROVIDE AREAS OF LOW CLOUDS AND FOG THROUGH AROUND MID-MORNING. VERY WARM TEMPERATURES ARE FORECAST TODAY WITH AFTERNOON HIGHS IN THE UPPER 80S. THESE WARM AFTERNOON READINGS WILL INTERACT WITH LOWERING DEW-POINT VALUES TO PRODUCE MINIMUM RH VALUES INTO THE UPPER 20S...WITH A RED FLAG WARNING IN EFFECT THIS AFTERNOON. SOUTHWEST TO WEST WINDS TODAY WILL SUSTAIN BELOW 15 MPH. FRIDAY...AS SURFACE HIGH POSITIONS WELL TO OUR EAST...EASTERLY WINDS WILL PREVAIL BY EARLY AFTERNOON. THIS FLOW REGIME WILL AGAIN BE COMBATED BY DRIER AIR ALOFT...WITH MINIMUM RH VALUES NEAR 30 PERCENT. A FIRE WEATHER WATCH IS IN EFFECT DURING THE AFTERNOON. WIND SPEEDS WILL SUSTAIN BELOW 15 MPH. .TODAY... SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT) WITH PATCHY FOG EARLY IN THE MORNING...THEN PARTLY CLOUDY (30-40 PERCENT). MAX TEMPERATURE.....AROUND 87. MIN HUMIDITY........28 PERCENT. WIND (20 FT)........SOUTHWEST WINDS 5 MPH BECOMING WEST 5 TO 9 MPH IN THE LATE MORNING AND AFTERNOON. LAL.................1. MIXING HEIGHT.......700-1100 FT AGL INCREASING TO 6100 FT AGL. MIXING WINDS........WEST 6 TO 12 MPH. DISPERSION INDEX....53. CHANCE OF PCPN......0 PERCENT. TIME (EDT) 9 AM 11 AM 1 PM 3 PM 5 PM SKY (%).........26 32 32 32 30 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE TEMP............72 80 85 85 84 RH..............81 51 36 30 36 20 FT WIND......SW 5 SW 7 SW 9 W 9 W 8 20 FT WIND GUST.10 10 15 15 15 MIX HGT (FT)....1100 3600 6100 6100 6100 TRANSPORT WIND..SW 8 W 10 W 12 W 12 W 12 CHC OF PCPN (%).0 0 0 0 0 LAL.............1 1 1 1 1 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT). PATCHY FOG EARLY IN THE MORNING. MIN TEMPERATURE.....AROUND 55. MAX HUMIDITY........97 PERCENT. WIND (20 FT)........WEST WINDS 5 TO 8 MPH IN THE EVENING BECOMING LIGHT. LAL.................1. MIXING HEIGHT.......6100 FT AGL DECREASING TO 200-1300 FT AGL EARLY IN THE EVENING. MIXING WINDS........WEST 6 TO 12 MPH SHIFTING TO THE NORTHWEST AROUND 2 MPH AFTER MIDNIGHT...THEN SHIFTING TO THE NORTHEAST AROUND 0 MPH EARLY IN THE MORNING. DISPERSION INDEX....1. CHANCE OF PCPN......0 PERCENT. TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........30 28 28 29 30 30 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............82 74 68 64 61 59 RH..............36 52 64 72 79 84 20 FT WIND......W 8 W 8 W 6 W 3 W 1 S 1 20 FT WIND GUST.15 15 10 5 5 5 MIX HGT (FT)....6100 1300 1300 800 200 200 TRANSPORT WIND..W 12 W 10 W 10 W 6 NW 2 NW 2 CHC OF PCPN (%).0 0 0 0 0 0 LAL.............1 1 1 1 1 1 .FRIDAY... SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). PATCHY FOG EARLY IN THE MORNING. MAX TEMPERATURE.....AROUND 88. MIN HUMIDITY........29 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING EAST 5 TO 7 MPH IN THE AFTERNOON. LAL.................1. MIXING HEIGHT.......700-1200 FT AGL INCREASING TO 7600-7900 FT AGL. MIXING WINDS........NORTH AROUND 0 MPH SHIFTING TO THE SOUTH EARLY IN THE MORNING...THEN SHIFTING TO THE NORTHEAST 0 TO 9 MPH IN THE LATE MORNING AND AFTERNOON SHIFTING TO THE EAST AROUND 10 MPH LATE IN THE AFTERNOON. DISPERSION INDEX....76. CHANCE OF PCPN......0 PERCENT. $$ FORECASTER...ZAPPE REQUESTED BY...DYLAN GAVAGNI TYPE OF REQUEST...PRESCRIBED .TAG 20090423.PPSP1.01/JAX