FNUS72 KJAX 202021 FWSJAX SPOT FORECAST FOR ECHO...OSCEOLA NATIONAL FOREST NATIONAL WEATHER SERVICE JACKSONVILLE FL 321 PM EST TUE NOV 20 2012 FORECAST IS BASED ON REQUEST TIME OF 1511 EST ON NOVEMBER 20. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... AS HIGH PRESSURE BUILDS ACROSS THE REGION OVER THE NEXT FEW DAYS... A DRIER AIRMASS WILL ADVECT IN. THIS WILL LEAD TO RELATIVE HUMIDITY VALUES IN THE CRITICAL RANGE FOR THURSDAY AND FRIDAY...WITH FIRE WEATHER HEADLINES POSSIBLY NEEDED. FOLLOWING A WEAK FRONTAL PASSAGE...SLIGHTLY COOLER AND LESS DRY AIR WILL MOVE IN FOR THE WEEKEND. .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT) THEN BECOMING MOSTLY CLOUDY (50-60 PERCENT). MIN TEMPERATURE.....AROUND 49. MAX HUMIDITY........100 PERCENT. WIND (20 FT)........NORTH WINDS AROUND 6 MPH EARLY IN THE EVENING BECOMING LIGHT. MIXING HEIGHT.......100-1500 FT AGL. MIXING WINDS........NORTH 3 TO 8 MPH. DISPERSION INDEX....4. LVORI...............6. TIME (EST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........46 52 54 56 55 55 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............62 56 53 51 50 49 RH..............71 87 96 99 100 99 20 FT WIND......N 6 N 3 N 3 N 3 N 3 N 3 20 FT WIND GUST.10 5 5 5 5 5 MIX HGT (FT)....1500 700 300 100 100 100 TRANSPORT WIND..N 8 N 6 N 3 N 3 N 3 N 3 LVORI...........3 6 8 9 9 9 DISPERSION INDX.5 4 3 3 3 3 .WEDNESDAY... SKY/WEATHER.........PARTLY SUNNY (30-40 PERCENT). MAX TEMPERATURE.....AROUND 72. MIN HUMIDITY........36 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING NORTH 5 TO 10 MPH EARLY IN THE MORNING. MIXING HEIGHT.......300-1600 FT AGL INCREASING TO 3000-4500 FT AGL IN THE LATE MORNING AND AFTERNOON. MIXING WINDS........NORTH 3 TO 12 MPH INCREASING TO 10 TO 13 MPH LATE IN THE MORNING. DISPERSION INDEX....6 INCREASING TO 20 LATE IN THE MORNING...THEN INCREASING TO 55 IN THE AFTERNOON. LVORI...............5. TIME (EST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........52 46 38 30 22 18 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............49 50 63 71 72 72 RH..............96 90 52 39 37 40 20 FT WIND......N 3 N 5 N 7 N 9 N 10 N 10 20 FT WIND GUST.5 10 15 15 15 MIX HGT (FT)....300 600 2900 4300 4400 4200 TRANSPORT WIND..N 3 N 6 N 12 N 12 N 12 N 10 LVORI...........8 5 1 1 1 1 DISPERSION INDX.4 7 42 45 44 41 $$ FORECASTER...SHASHY REQUESTED BY...MARLENE BULLARD TYPE OF REQUEST...WILDFIRE .TAG 20121120.ECHO_.01/JAX