FNUS72 KJAX 171321 FWSJAX SPOT FORECAST FOR BILLS BRANCH...USDA - FOREST SERVICE NATIONAL WEATHER SERVICE JACKSONVILLE FL 821 AM EST WED FEB 17 2010 FORECAST IS BASED ON IGNITION TIME OF 0930 EST ON FEBRUARY 17. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. ...RED FLAG WARNING IN EFFECT FROM NOON TO 5 PM TODAY... ...FIRE WEATHER WATCH IN EFFECT FROM LATE THURSDAY MORNING THROUGH THURSDAY AFTERNOON... .DISCUSSION...WESTERLY WINDS WILL INCREASE TODAY AND SUSTAINED WINDS OF 15 TO 20 MPH WITH GUSTS BETWEEN 25 AND 30 MPH WILL COMBINE WITH CRITICAL RELATIVE HUMIDITIES TO PROMOTE DANGEROUS FIRE WEATHER CONDITIONS. DRY AIR WILL REMAIN IN PLACE THROUGH WEEKS END WITH ADDITIONAL RED FLAG EVENTS LIKELY. THE LOWEST HUMIDITIES OF THE WEEK WILL COME ON THURSDAY WHEN MINIMUM VALUES ARE FORECAST TO DROP TO AROUND 20 PERCENT. .TODAY... SKY/WEATHER.........SUNNY (5-15 PERCENT). PATCHY FROST EARLY IN THE MORNING. MAX TEMPERATURE.....55. MIN HUMIDITY........28 PERCENT. WIND (20 FT)........WEST WINDS 6 TO 15 MPH WITH GUSTS TO AROUND 30 MPH. MIXING HEIGHT.......600-2400 FT AGL INCREASING TO 4400-4800 FT AGL IN THE AFTERNOON. MIXING WINDS........NORTHWEST 9 TO 14 MPH BECOMING WEST 23 TO 29 MPH IN THE LATE MORNING AND AFTERNOON. DISPERSION INDEX....87. TIME (EST) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM SKY (%).........3 0 0 16 16 16 16 14 14 WEATHER COV..... WEATHER TYPE.... TEMP............43 47 50 52 53 54 54 53 52 RH..............55 45 38 34 31 30 31 36 44 20 FT WIND DIR..NW W W W W W W W W 20 FT WIND SPD..13 14 14 15 16 16 16 16 14 20 FT WIND GUST.20 20 25 30 30 25 25 20 20 MIX HGT (KFT)...2.4 2.4 2.4 4.8 4.8 4.8 4.8 4.4 4.4 TRANSP WIND DIR.W W W W W W W W W TRANSP WIND SPD.23 23 23 29 29 29 29 24 24 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT). PATCHY FROST AFTER MIDNIGHT. MIN TEMPERATURE.....31. MAX HUMIDITY........78 PERCENT. WIND (20 FT)........NORTHWEST WINDS 7 TO 12 MPH. MIXING HEIGHT.......4400 FT AGL DECREASING TO 400-800 FT AGL. MIXING WINDS........WEST 16 TO 24 MPH BECOMING NORTHWEST 7 TO 10 MPH IN THE LATE EVENING AND OVERNIGHT. DISPERSION INDEX....5. TIME (EST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM SKY (%).........14 19 19 19 5 5 5 0 0 0 4 4 WEATHER COV..... PTY PTY PTY PTY PTY WEATHER TYPE.... FST FST FST FST FST TEMP............48 44 42 40 39 38 37 36 35 34 33 33 RH..............44 55 61 66 70 72 72 75 75 76 76 76 20 FT WIND DIR..W W W W W W W W W W NW NW 20 FT WIND SPD..12 9 8 8 8 8 8 8 8 8 7 7 20 FT WIND GUST.15 15 15 15 15 10 10 10 10 10 10 10 MIX HGT (KFT)...4.4 0.8 0.8 0.8 0.6 0.6 0.6 0.4 0.4 0.4 0.6 0.6 TRANSP WIND DIR.W W W W W W W NW NW NW NW NW TRANSP WIND SPD.24 16 16 16 10 10 10 7 7 7 10 10 .THURSDAY... SKY/WEATHER.........SUNNY (0-10 PERCENT). PATCHY FROST EARLY IN THE MORNING. MAX TEMPERATURE.....59. MIN HUMIDITY........20 PERCENT. WIND (20 FT)........WEST WINDS 6 TO 12 MPH. MIXING HEIGHT.......600-2100 FT AGL INCREASING TO 3500-4100 FT AGL IN THE AFTERNOON. MIXING WINDS........NORTHWEST 10 TO 16 MPH BECOMING WEST 18 TO 21 MPH IN THE LATE MORNING AND AFTERNOON. DISPERSION INDEX....78. $$ FORECASTER...CARROLL REQUESTED BY...TAMMY MILTON TYPE OF REQUEST...PRESCRIBED .TAG 20100217.BILLS.01/JAX