FNUS72 KJAX 011415 FWSJAX SPOT FORECAST FOR GUANA RIVER WMA...FWC NATIONAL WEATHER SERVICE JACKSONVILLE FL 915 AM EST FRI FEB 1 2013 FORECAST IS BASED ON IGNITION TIME OF 1000 EST ON FEBRUARY 01. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. ...RED FLAG WARNING IN EFFECT UNTIL 7 PM EST THIS EVENING... .DISCUSSION... A DRY COLD FRONT WILL MOVE THROUGH OUR REGION THIS AFTERNOON. AN OFFSHORE WIND REGIME WILL PERSIST TODAY OVER COASTAL LOCATIONS...WITH NORTHWEST WINDS INCREASING THIS AFTERNOON TO NEAR 15 MPH WITH HIGHER GUSTS. RED FLAG CRITERIA WILL MET THIS AFTERNOON BASED ON LOW RELATIVE HUMIDITY AND HIGH DISPERSION VALUES ACROSS NORTHEAST FLORIDA. EXPECT SEASONABLY COOL TEMPERATURES AND DECREASING WINDS OVERNIGHT AS HIGH PRESSURE BUILDS TO THE NORTH OF OUR REGION. AN AFTERNOON SEA BREEZE IS EXPECTED ON SATURDAY AS HIGH PRESSURE MOVES OFF THE CAROLINA COAST. HOWEVER...A WEAK PRESSURE GRADIENT WILL RESULT IN WIND SPEEDS OF 10 MPH OR LESS. MINIMUM RELATIVE HUMIDITY VALUES WILL REMAIN JUST ABOVE CRITICAL THRESHOLDS ON SATURDAY AFTERNOON IN COASTAL LOCATIONS. .REST OF TODAY... SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT). TEMPERATURE.........50 AT IGNITION...MAX 61. RH..................45 PERCENT AT IGNITION...MIN 30 PERCENT. WIND (20 FT)........WINDS NORTHWEST AT 10 MPH AT IGNITION...INCREASING TO NEAR 15 MPH EARLY THIS AFTERNOON. LAL.................1. MIXING HEIGHT.......2500 FT AGL AT IGNITION...INCREASING TO 4500 FT AGL IN THE AFTERNOON. MIXING WINDS........NORTHWEST 15 TO 25 MPH. DISPERSION INDEX....60 INCREASING TO 85 LATE IN THE MORNING THROUGH THE AFTERNOON. CHANCE OF PCPN......0 PERCENT. LVORI...............1. TIME (EST) 10 AM NOON 2 PM 4 PM SKY (%).........39 34 32 26 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TEMP............54 59 63 63 RH..............44 36 32 33 20 FT WIND......NW 10 NW 13 NW 15 NW 15 20 FT WIND GUST.15 20 20 15 MIX HGT (FT)....2500 3900 4600 4600 TRANSPORT WIND..NW 20 NW 25 NW 25 NW 20 LVORI...........1 1 1 1 DISPERSION INDX.60 85 85 80 CHC OF PCPN (%).0 0 0 0 LAL.............1 1 1 1 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT). TEMPERATURE.........MIN 40. RH..................MAX 65 PERCENT. WIND (20 FT)........NORTHWEST WINDS 5 TO 10 MPH. LAL.................1. MIXING HEIGHT.......4000 FT AGL DECREASING TO 500 FT AGL LATE IN THE EVENING. MIXING WINDS........NORTHWEST 10 TO 15 MPH. DISPERSION INDEX....60 EARLY IN THE EVENING...DECREASING TO 10 BY LATE EVENING. CHANCE OF PCPN......0 PERCENT. LVORI...............3. TIME (EST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........20 16 15 13 13 14 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............59 55 48 46 44 41 RH..............41 48 57 57 57 65 20 FT WIND......NW 10 NW 8 NW 6 NW 5 NW 3 N 3 20 FT WIND GUST.15 15 15 15 15 10 MIX HGT (FT)....4300 3600 2600 1600 1000 800 TRANSPORT WIND..NW 15 NW 12 NW 10 NW 10 NW 10 N 10 LVORI...........2 3 2 2 2 3 DISPERSION INDX.60 10 10 10 10 10 CHC OF PCPN (%).0 0 0 0 0 0 LAL.............1 1 1 1 1 1 .SATURDAY... SKY/WEATHER.........SUNNY (15-25 PERCENT). TEMPERATURE.........MAX 62. RH..................MIN 40 PERCENT. WIND (20 FT)........SOUTHEAST WINDS 5 TO 10 MPH. LAL.................1. MIXING HEIGHT.......500-2000 FT AGL EARLY INCREASING TO 4000-4500 FT AGL BY LATE MORNING. MIXING WINDS........EAST 10 MPH SHIFTING TO THE SOUTHWEST LATE IN THE AFTERNOON. DISPERSION INDEX....10 INCREASING TO 50 LATE IN THE MORNING THROUGH THE AFTERNOON HOURS. CHANCE OF PCPN......0 PERCENT. LVORI...............2. $$ FORECASTER...NELSON REQUESTED BY...TRAVIS BENNETT TYPE OF REQUEST...PRESCRIBED .TAG 20130201.GUANA.01/JAX