FNUS72 KMLB 171237
FWSMLB

SPOT FORECAST FOR J-1 JONES ISL MARSH...USFWS
NATIONAL WEATHER SERVICE MELBOURNE FL
737 AM EST SAT JAN 17 2009

FORECAST IS BASED ON IGNITION TIME OF 1000 EST ON JANUARY 17.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

*** AMENDED MIXING HEIGHT AND DISPERSION ***

.DISCUSSION...NORTHERLY WINDS WILL VEER AROUND TO NORTHEAST AND
WEAKEN FROM LATE MORNING INTO THE EARLY AFTERNOON. AS THE COLD
HIGH PRESSURE CENTER OVER THE SOUTHEAST STATES SETTLES SOUTH
OVER NORTH AND CENTRAL FLORIDA OVERNIGHT...WINDS WILL QUICKLY
DROP OFF...AND EVENTUALLY BECOME NEAR CALM LATE. AREAS OF FROST
IS FORECAST EARLY SUNDAY MORNING...POSSIBLY WIDESPREAD.

DISCUSSION AMENDED TO ADD...GIVEN THE MARSHY AREA OF THE BURN
SITE...MICROCLIMATE TYPE EFFECTS COULD RESULT IN LOCAL RELATIVE
HUMIDITY VALUES RUNNING 10 TO 15 PERCENT HIGHER THAN CURRENTLY
FORECAST. FEEL FREE TO CALL FOR A FORECAST UPDATE IF THE LOCAL
DEW POINT AND RH VALUES BEGIN TO RUN CONSISTENTLY HIGHER THAN
WHAT IS BEING FORECAST.

.TODAY...

SKY/WEATHER.........SUNNY THEN BECOMING PARTLY SUNNY.
MAX TEMPERATURE.....AROUND 60.
MIN HUMIDITY........41 PERCENT.
WIND (20 FT)........NORTH WINDS 6 TO 9 MPH BECOMING NORTHEAST.
CHANCE OF PCPN......0 PERCENT.
LAL.................1.
MIXING HEIGHT.......1500-2000 FT AGL INCREASING TO 2800-3100 FT
                    AGL IN THE AFTERNOON.
TRANSPORT WINDS.....NORTH 13 MPH EARLY BECOMING NORTHEAST AND
                    DECREASING TO 7 MPH THIS AFTN.
DISPERSION INDEX....31.

TIME (EST)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM
SKY (%).........MCR MCR MCR PC  PC  PC  PC  PC  PC  MCR MCR MCR
WEATHER COV.....
WEATHER TYPE....
TEMP............46  50  53  56  57  58  58  55  52  48  47  45
RH..............58  52  48  44  43  41  42  49  58  71  73  78
20 FT WIND DIR..N   N   N   N   N   NE  NE  NE  NE  NE  NE  NE
20 FT WIND SPD..7   7   7   6   6   5   5   5   3   2   1   0
20 FT WIND GUST.12  12  12  11  10  9   8   7

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING CLEAR. AREAS OF
                    FROST EARLY IN THE MORNING.
MIN TEMPERATURE.....AROUND 37.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........LIGHT WINDS.
CHANCE OF PCPN......0 PERCENT.
LAL.................1.
MIXING HEIGHT.......800-2400 FT AGL DECREASING TO 100 FT AGL IN THE
                    LATE EVENING AND OVERNIGHT.
TRANSPORT WINDS.....SOUTHEAST 5 TO 7 MPH.
DISPERSION INDEX....2.
LVORI...............10.

.SUNDAY...

SKY/WEATHER.........SUNNY THEN BECOMING PARTLY SUNNY. AREAS OF
                    FROST EARLY IN THE MORNING.
MAX TEMPERATURE.....AROUND 71.
MIN HUMIDITY........42 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 6 TO 8 MPH IN THE
                    AFTERNOON.
CHANCE OF PCPN......10 PERCENT.
LAL.................1.
MIXING HEIGHT.......100-600 FT AGL INCREASING TO 2100-3000 FT AGL
                    IN THE LATE MORNING AND AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 6 TO 13 MPH INCREASING TO 17 TO 18
                    MPH IN THE AFTERNOON.
DISPERSION INDEX....64.

$$
FORECASTER...KELLY
REQUESTED BY...ROBERT VERNACHIO
TYPE OF REQUEST...PRESCRIBED
.TAG 20090117.J1JON.01/MLB