FNUS72 KMFL 271944 FWSMFL SPOT FORECAST FOR DUNCAN DOWN RX NATIONAL WEATHER SERVICE MIAMI FL 344 PM EDT SUN JUN 27 2010 IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER SERVICE. SPOT FORECAST FOR DUNCAN DOWN RX...FL. D.O.F. NATIONAL WEATHER SERVICE MIAMI FL 339 PM EDT SUN JUN 27 2010 FORECAST IS BASED ON IGNITION TIME OF 1000 EDT ON JUNE 28. IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... A SOUTHEAST WIND FLOW WILL PREVAIL ACROSS SOUTH FLORIDA TOMORROW...AS THE REGION WILL REMAIN LOCATED BETWEEN AN ATLANTIC RIDGE OF HIGH PRESSURE TO THE EAST AND TROPICAL DEPRESSION ALEX NEAR THE YUCATAN PENINSULA. THIS WILL RESULT IN A CONTINUATION OF WARM AND MOIST CONDITIONS IN THE VICINITY OF THE PRESCRIBED BURN SITE ACROSS WESTERN COLLIER COUNTY...WITH SCATTERED SHOWERS AND THUNDERSTORMS EXPECTED TO DEVELOP IN THE REGION ONCE AGAIN BETWEEN NOON-2 PM EDT. SOUTHEASTERLY TRANSPORT LAYER FLOW WILL ALLOW FOR SMOKE DISPERSION TO THE NORTHWEST...WITH EXCELLENT DISPERSION INDICES EXPECTED FROM LATE MORNING THROUGH EARLY AFTERNOON...AS MIXING HEIGHTS APPROACH 4.5-5 KFT. THE POTENTIAL FOR NOCTURNAL FOG DEVELOPMENT IS LOW...AS TEMPERATURES WILL REMAIN VERY WARM THROUGH THE MORNING HOURS ON TUESDAY. .MONDAY... SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE AFTERNOON. TEMPERATURE.........88 AT IGNITION...MAX 93. MIN HUMIDITY........66 PERCENT AT IGNITION...MIN 56 PERCENT. WIND (20 FT)........WINDS SOUTHEAST AT 5 MPH AT IGNITION...OTHERWISE LIGHT WINDS BECOMING SOUTHEAST 5 TO 7 MPH EARLY IN THE MORNING. WIND (EYE LEVEL)....LIGHT WINDS BECOMING SOUTHEAST 5 TO 7 MPH EARLY IN THE MORNING. CHANCE OF PCPN......40 PERCENT. LAL.................1 UNTIL 1400...THEN 3. MIXING HEIGHT.......1700 FT AGL AT IGNITION...OTHERWISE 400-1700 FT AGL INCREASING TO 3000-4200 FT AGL LATE IN THE MORNING. TRANSPORT WINDS.....SOUTHEAST 6 TO 12 MPH INCREASING TO 17 TO 20 MPH LATE IN THE MORNING...THEN SHIFTING TO THE EAST AROUND 12 MPH LATE IN THE AFTERNOON. DISPERSION INDEX....4 INCREASING TO 26 EARLY IN THE MORNING...THEN INCREASING TO 63 LATE IN THE MORNING INCREASING TO 90 EARLY IN THE AFTERNOON DECREASING TO 46. LVORI...............4. LAL.................1 UNTIL 1400...THEN 3. MIXING HEIGHT.......1700 FT AGL AT IGNITION...OTHERWISE 400-1700 FT AGL INCREASING TO 3000-4200 FT AGL LATE IN THE MORNING. TRANSPORT WINDS.....SOUTHEAST 6 TO 12 MPH INCREASING TO 17 TO 20 MPH LATE IN THE MORNING...THEN SHIFTING TO THE EAST AROUND 12 MPH LATE IN THE AFTERNOON. TIME (EDT) 10 AM NOON 2 PM 4 PM 6 PM 8 PM SKY (%).........20 50 50 50 50 50 WEATHER COV..... CHANCE CHANCE CHANCE S CHC WEATHER TYPE....NONE NONE TSTORM TSTORM TSTORM TSTORM TEMP............88 92 92 87 85 83 RH..............66 58 58 68 72 77 20 FT WIND......SE 4 SE 5 S 5 S 5 W 4 N 2 20 FT WIND GUST.10 10 10 10 10 5 EYE LEVEL WIND..SE 4 SE 5 S 5 S 5 W 4 N 2 EYE LEVEL WIND..10 10 10 10 10 5 MIX HGT (FT)....1700 3000 4200 4200 3000 1700 MIXNG WIND......SE 12 SE 17 SE 20 SE 20 E 12 N 5 DISPERSION IDX..26 63 90 90 46 3 LVORI...........3 1 1 1 3 4 CHC OF PCPN (%).40 40 40 40 40 20 LAL.............1 1 3 3 3 2 $$ FORECASTER...DIXON REQUESTED BY...JEFF CUMMINGS TYPE OF REQUEST...PRESCRIBED $$ REQUESTED BY...JEFF CUMMINGS REASON FOR REQUEST...STATE, TRIBAL OR LOCAL FIRE AGENCY WORKING IN COORDINATION WITH A FEDERAL PARTICIPANT IN THE INTERAGENCY AGREEMENT FOR METEOROLOGICAL SERVICES.