FNUS72 KJAX 211312 FWSJAX SPOT FORECAST FOR ECHO...OSCEOLA NATIONAL FOREST NATIONAL WEATHER SERVICE JACKSONVILLE FL 812 AM EST WED NOV 21 2012 FORECAST IS BASED ON REQUEST TIME OF 0752 EST ON NOVEMBER 21. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...HIGH PRESSURE WILL BUILD IN THE NEXT FEW DAYS BRINGING IN A DRIER AIR MASS. HUMIDITIES WILL BELOW 40% TODAY EARLY THIS AFTERNOON UNDER COOLER NORTHERLY FLOW. NORTH WINDS WILL NEAR 10 MPH TODAY. TONIGHT WINDS WILL DECREASE AS TEMPERATURE COOL. FOG DEVELOPMENT IS NOT LIKELY. THURSDAY DRIER AIR WILL CONTINUE TO STREAM OVER THE AREA FROM THE NORTH...WITH RELATIVE HUMIDITIES FALLING BELOW 35% EXPECTED AROUND NOON. NORTH WINDS WILL NEAR 15 MPH WITH GUSTS UP TO 25 MPH POSSIBLE. HIGH DISPERSIONS NEAR 100 UNITS ARE EXPECTED AND ERC VALUES BETWEEN 30 AND 35 UNITS ARE ANTICIPATED. A FIRE WEATHER WATCH MAY BE ISSUED FOR THE AREA LATER TODAY FOR THURSDAY. ANOTHER FIRE WEATHER WATCH OR A FIRE DANGER STATEMENT WILL BE POSSIBLE ON FRIDAY FOR THE BURN AREA. A DRY COLD FRONT WILL USHER IN ANOTHER COOLER AND DRIER AIR MASS TO THE AREA THIS WEEKEND. LOWEST RELATIVE HUMIDITIES WILL FALL TO CRITICALLY LOW VALUES ACROSS THE INLAND AREAS. .TODAY... SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT) THEN BECOMING SUNNY (5-15 PERCENT). MAX TEMPERATURE.....AROUND 72. MIN HUMIDITY........38 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING NORTH 5 TO 9 MPH EARLY IN THE MORNING. MIXING HEIGHT.......400-2200 FT AGL INCREASING TO 2900-4400 FT AGL LATE IN THE MORNING. MIXING WINDS........NORTH 3 TO 12 MPH INCREASING TO 12 TO 13 MPH LATE IN THE MORNING. DISPERSION INDEX....6 INCREASING TO 53. TIME (EST) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM SKY (%).........42 15 9 6 6 5 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............53 60 67 72 71 66 RH..............96 77 56 39 39 61 20 FT WIND......N 5 N 6 N 8 N 9 N 9 N 7 20 FT WIND GUST. 10 15 15 15 15 MIX HGT (FT)....800 2200 3400 4400 4400 3400 TRANSPORT WIND..N 6 N 12 N 13 N 13 N 13 N 12 .TONIGHT... SKY/WEATHER.........CLEAR (0-10 PERCENT). MIN TEMPERATURE.....AROUND 41. MAX HUMIDITY........93 PERCENT. WIND (20 FT)........NORTH WINDS 5 TO 6 MPH EARLY IN THE EVENING BECOMING LIGHT. MIXING HEIGHT.......400-2200 FT AGL. MIXING WINDS........NORTH 3 TO 12 MPH. DISPERSION INDEX....5. TIME (EST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........4 3 3 2 2 2 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............59 52 49 46 44 43 RH..............61 78 85 90 92 91 20 FT WIND......N 6 N 3 N 5 N 5 N 5 N 5 20 FT WIND GUST.10 10 10 10 MIX HGT (FT)....2200 1100 700 500 400 500 TRANSPORT WIND..N 12 N 10 N 10 N 10 N 8 N 5 .THANKSGIVING DAY... SKY/WEATHER.........SUNNY (0-5 PERCENT). MAX TEMPERATURE.....AROUND 71. MIN HUMIDITY........28 PERCENT. WIND (20 FT)........NORTH WINDS 6 TO 10 MPH. GUSTS UP TO 25 MPH LATE IN THE MORNING. MIXING HEIGHT.......400-2000 FT AGL INCREASING TO 4400-5600 FT AGL. MIXING WINDS........NORTH 3 TO 6 MPH INCREASING TO 20 TO 28 MPH BY AFTERNOON. DISPERSION INDEX....6 INCREASING TO 16 EARLY IN THE MORNING...THEN INCREASING TO 104 IN THE AFTERNOON. $$ FORECASTER...ENYEDI REQUESTED BY...MARLENE BULLARD TYPE OF REQUEST...WILDFIRE .TAG 20121121.ECHO_.01/JAX