FNUS72 KJAX 071229 FWSJAX SPOT FORECAST FOR WEST TOWER DAY2...USDA NATIONAL WEATHER SERVICE JACKSONVILLE FL 729 AM EST FRI JAN 7 2011 FORECAST IS BASED ON IGNITION TIME OF 0750 EST ON JANUARY 07. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM EST THIS EVENING DUE TO LOW RH VALUES AND GUSTY WINDS... ...FIRE WEATHER WATCH IN EFFECT SATURDAY AFTERNOON DUE TO LOW RH VALUES AND GUSTY WINDS... .DISCUSSION... A SECONDARY COLD FRONTAL PASSAGE IS EXPECTED LATE TODAY AND THIS WILL INCREASE WEST TO SOUTHWEST SURFACE WINDS TO 15 TO 20 MPH WITH GUSTS TO 25 MPH AND THIS WILL COMBINE WITH MINIMUM RELATIVE HUMIDITIES AROUND 35 PERCENT TO MAKE FOR DANGEROUS FIRE WEATHER CONDITIONS. THUS A RED FLAG WARNING IS IN EFFECT. COOLER AND DRIER AIRMASS WILL ARRIVE SATURDAY ON BREEZY WEST TO NORTHWEST FLOW AT 15 TO 20 MPH WITH GUSTS TO 25 MPH AT TIMES AND THIS WILL COMBINE ONCE AGAIN WITH RELATIVE HUMIDITIES AROUND 35 PERCENT FOR POSSIBLE RED FLAG CONDITIONS AND A FIRE WEATHER WATCH HAS BEEN ISSUED FOR NORTHEAST FLORIDA AND A FIRE DANGER STATEMENT WILL LIKELY BE NEEDED FOR SOUTHEAST GEORGIA. .TODAY... SKY/WEATHER.........SUNNY (10-20 PERCENT). MAX TEMPERATURE.....AROUND 62. MIN HUMIDITY........38 PERCENT. WIND (20 FT)........WEST WINDS 6 TO 14 MPH SHIFTING TO THE SOUTHWEST 16 TO 20 MPH IN THE AFTERNOON. LAL.................1. MIXING HEIGHT.......500-1500 FT AGL INCREASING TO 1400-3000 FT AGL IN THE AFTERNOON. MIXING WINDS........WEST 8 TO 15 MPH INCREASING TO SOUTHWEST 21 TO 24 MPH IN THE AFTERNOON. DISPERSION INDEX....58. CHANCE OF PCPN......0 PERCENT. TIME (EST) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM SKY (%).........10 13 13 17 19 19 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............35 46 57 61 62 58 RH..............88 74 49 38 40 58 20 FT WIND......W 6 W 9 W 14 SW 18 SW 20 SW 17 20 FT WIND GUST.10 15 20 25 25 20 MIX HGT (FT)....700 1500 1500 3000 3000 1400 TRANSPORT WIND..W 9 W 15 W 15 SW 24 SW 24 SW 21 CHC OF PCPN (%).0 0 0 0 0 0 LAL.............1 1 1 1 1 1 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (20-30 PERCENT). MIN TEMPERATURE.....AROUND 40. MAX HUMIDITY........99 PERCENT. WIND (20 FT)........WEST WINDS 7 TO 16 MPH. LAL.................1. MIXING HEIGHT.......500-1400 FT AGL. MIXING WINDS........WEST 13 TO 21 MPH DECREASING TO AROUND 9 MPH EARLY IN THE MORNING. DISPERSION INDEX....8. CHANCE OF PCPN......0 PERCENT. LVORI...............8. TIME (EST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........19 20 27 27 34 27 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............54 49 46 44 43 41 RH..............58 77 88 96 99 97 20 FT WIND......SW 16 SW 14 SW 14 W 13 W 10 W 8 20 FT WIND GUST.20 15 15 15 15 10 MIX HGT (FT)....1400 900 700 700 500 500 TRANSPORT WIND..SW 21 SW 16 SW 16 SW 16 W 13 W 9 LVORI...........8 8 8 8 8 8 DISPERSION INDX.32 14 14 14 8 6 CHC OF PCPN (%).0 0 0 0 10 10 LAL.............1 1 1 1 1 1 .SATURDAY... SKY/WEATHER.........SUNNY (10-20 PERCENT). MAX TEMPERATURE.....AROUND 58. MIN HUMIDITY........33 PERCENT. WIND (20 FT)........WEST WINDS 6 TO 15 MPH WITH GUSTS TO AROUND 30 MPH INCREASING TO 12 TO 16 MPH EARLY IN THE AFTERNOON. LAL.................1. MIXING HEIGHT.......500-2300 FT AGL INCREASING TO 2200-3500 FT AGL IN THE AFTERNOON. MIXING WINDS........WEST 9 TO 18 MPH INCREASING TO 17 TO 24 MPH IN THE AFTERNOON. DISPERSION INDEX....61. CHANCE OF PCPN......10 PERCENT. $$ FORECASTER...ZAPPE REQUESTED BY...PETE MYERS TYPE OF REQUEST...PRESCRIBED .TAG 20110107.WESTT.01/JAX