FNUS72 KJAX 131021 FWSJAX SPOT FORECAST FOR EDDY TOWER...USDA- FOREST SERVICE NATIONAL WEATHER SERVICE JACKSONVILLE FL 621 AM EDT FRI MAY 13 2011 FORECAST IS BASED ON REQUEST TIME OF 0615 EDT ON MAY 13. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. ...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM EDT THIS EVENING... .DISCUSSION...A DRY AND VERY WARM AIRMASS WILL RESULT IN AFTERNOON RELATIVE HUMIDITIES FALLING TO 30 TO 40 PERCENT OVER THE INTERIOR. IN ADDITION... DISPERSION INDICES WILL CLIMB ABOVE 75 ACROSS MOST INLAND SECTIONS. THESE FEATURES HAVE PROMPTED THE ISSUANCE OF RED FLAG WARNING THIS AFTERNOON ACROSS A LARGE PORTION OF INTERIOR NORTHEAST FLORIDA. ONLY AN ISOLATED SHOWER OR THUNDERSTORM IS FORECAST THIS AFTERNOON. SOUTHERLY WINDS WILL SUSTAIN AT 10 TO 15 MPH BY LATE MORNING. THE HIGH PRESSURE SYSTEM RESPONSIBLE FOR THE UNSEASONABLY WARM TEMPERATURES IS FORECAST TO TRACK EAST TONIGHT AS A WEATHER SYSTEM ADVANCES EAST ACROSS THE CENTRAL AND EASTERN UNITED STATES. RAIN CHANCES WILL INCREASE SATURDAY WITH SCATTERED TO NUMEROUS THUNDERSTORMS EXPECTED BY AFTERNOON. SOME THUNDERSTORMS MAY BECOME STRONG OR SEVERE. RH VALUES WILL STAY WELL ABOVE CRITICAL VALUES. RAIN CHANCES WILL DECREASE SUNDAY WITH EXPECTED PASSAGE OF WEAK COLD FRONT. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT). MAX TEMPERATURE.....AROUND 95. MIN HUMIDITY........35 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 5 TO 10 MPH IN THE LATE MORNING AND AFTERNOON. LAL.................1. MIXING HEIGHT.......1000-1700 FT AGL INCREASING TO 6300-7200 FT AGL. MIXING WINDS........SOUTHWEST 8 TO 16 MPH. DISPERSION INDEX....77. TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........41 39 39 39 39 44 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............65 76 87 93 95 94 RH..............100 91 59 44 36 35 20 FT WIND......SW 3 SW 5 SW 7 SW 9 SW 10 SW 13 20 FT WIND GUST.5 10 10 15 15 15 MIX HGT (FT)....1000 1700 4300 4300 7200 7200 TRANSPORT WIND..S 7 SW 8 SW 13 SW 13 W 16 SW 16 LAL.............1 1 1 1 1 1 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT) THEN BECOMING MOSTLY CLOUDY (50-60 PERCENT). MIN TEMPERATURE.....AROUND 67. MAX HUMIDITY........98 PERCENT. WIND (20 FT)........SOUTHWEST WINDS 5 TO 9 MPH. LAL.................1. MIXING HEIGHT.......6300 FT AGL DECREASING TO 400-1600 FT AGL EARLY IN THE EVENING. MIXING WINDS........SOUTHWEST 8 TO 16 MPH. DISPERSION INDEX....5. TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........44 48 48 53 58 58 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............91 84 77 74 71 69 RH..............39 52 66 75 80 88 20 FT WIND......SW 10 SW 10 SW 8 SW 7 SW 6 SW 6 20 FT WIND GUST.15 15 15 10 10 10 MIX HGT (FT)....6300 1600 1600 1000 400 400 TRANSPORT WIND..SW 16 SW 14 SW 14 SW 10 SW 8 SW 8 LAL.............1 1 1 1 1 1 .SATURDAY... SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). CHANCE OF SHOWERS AND THUNDERSTORMS. MAX TEMPERATURE.....AROUND 86. MIN HUMIDITY........52 PERCENT. WIND (20 FT)........SOUTHWEST WINDS 8 TO 15 MPH. LAL.................1 UNTIL 0800...THEN 3. MIXING HEIGHT.......900-1400 FT AGL INCREASING TO 3000-4700 FT AGL LATE IN THE MORNING. MIXING WINDS........SOUTHWEST 10 TO 16 MPH INCREASING TO 18 TO 21 MPH EARLY IN THE AFTERNOON. DISPERSION INDEX....60. $$ FORECASTER...ZIBURA REQUESTED BY...PETER MYERS TYPE OF REQUEST...WILDFIRE .TAG 20110513.EDDYT.01/JAX