FNUS72 KJAX 210029 FWSJAX SPOT FORECAST FOR BLUE RIBBON...DOF NATIONAL WEATHER SERVICE JACKSONVILLE FL 829 PM EDT MON JUN 20 2011 FORECAST IS BASED ON IGNITION TIME OF 2035 EDT ON JUNE 20. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. ...FIRE WEATHER WATCH IN EFFECT TUESDAY AFTERNOON... .DISCUSSION....HIGH PRESSURE WILL PERSIST ACROSS SOUTH FLORIDA WHILE WEAK TROUGHING LINGERS ACROSS THE SOUTHEAST REGION. THIS REGIME WILL MAINTAIN A PREVAILING HOT AND MOSTLY DRY WEST TO SOUTHWEST FLOW ACROSS THE LOCAL AREA. WINDS WILL REMAIN BELOW 15 MPH. TUESDAY...AFTERNOON RELATIVE HUMIDITIES ARE EXPECTED TO FALL BELOW CRITICAL VALUES ACROSS MUCH OF NORTHEAST FLORIDA TUESDAY FOR 2-3 HOURS. EXTENDED DURATIONS OF LOW RHS ARE EXPECTED ACROSS THE SUWANNEE RIVER VALLEY OF NORTHEAST FLORIDA IN COMBINATION WITH ELEVATED ERC VALUES AND A A FIRE WEATHER WATCH REMAINS IN EFFECT FOR THESE COUNTIES. MOISTURE WILL GRADUALLY INCREASE OVER THE AREA WEDNESDAY AS STRONGER SOUTHWEST FLOW BEGINS TO DEVELOP. RAIN CHANCES INCREASE LATE IN THE WEEK AS A STRONGER UPPER LEVEL DISTURBANCE APPROACHES THE AREA. .REST OF TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT). PATCHY SMOKE. MIN TEMPERATURE.....AROUND 73. MAX HUMIDITY........95 PERCENT. WIND (20 FT)........SOUTHWEST WINDS 5 TO 9 MPH EARLY IN THE EVENING BECOMING LIGHT. LAL.................1. MIXING HEIGHT.......300-2000 FT AGL. MIXING WINDS........WEST 6 TO 15 MPH. DISPERSION INDEX....3. CHANCE OF PCPN......10 PERCENT. LVORI...............6. TIME (EDT) 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........29 29 20 20 23 WEATHER COV.....PATCHY PATCHY PATCHY PATCHY PATCHY WEATHER TYPE....SMOKE SMOKE SMOKE SMOKE SMOKE TEMP............87 82 79 77 75 RH..............70 80 84 88 90 20 FT WIND......SW 9 SW 8 SW 6 W 5 W 2 20 FT WIND GUST.15 15 10 5 MIX HGT (FT)....2000 2000 1200 300 1100 TRANSPORT WIND..SW 15 SW 15 SW 10 W 6 W 7 LVORI...........6 6 6 6 6 DISPERSION INDX.58 40 21 3 3 CHC OF PCPN (%).10 10 10 10 10 LAL.............1 1 1 1 1 .TUESDAY... SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT). PATCHY SMOKE THROUGH THE DAY. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 101. MIN HUMIDITY........32 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 5 TO 7 MPH IN THE LATE MORNING AND AFTERNOON. LAL.................1. MIXING HEIGHT.......1100-2000 FT AGL INCREASING TO 7900-8000 FT AGL. MIXING WINDS........SOUTHWEST 6 TO 10 MPH. DISPERSION INDEX....49. CHANCE OF PCPN......10 PERCENT. TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........23 30 30 22 31 31 WEATHER COV.....PATCHY PATCHY PATCHY PATCHY S CHC S CHC WEATHER TYPE....SMOKE SMOKE SMOKE SMOKE RNSHWR RNSHWR TEMP............73 77 90 98 101 100 RH..............94 86 57 42 32 34 20 FT WIND......W 1 W 3 W 5 W 5 W 5 SW 6 20 FT WIND GUST.5 10 10 MIX HGT (FT)....1100 2000 2000 5000 8000 8000 TRANSPORT WIND..W 7 W 9 W 9 W 7 SW 6 SW 6 DISPERSION INDX.3 4 23 40 48 48 CHC OF PCPN (%).10 10 10 10 20 20 LAL.............1 1 1 1 1 1 $$ FORECASTER...PETERSON REQUESTED BY...METR LUCHS TYPE OF REQUEST...PRESCRIBED .TAG 20110620.BLUER.01/JAX