FNUS72 KMLB 271756
FWSMLB

SPOT FORECAST FOR W OF ST  JOHNS W OF 46...FPS
NATIONAL WEATHER SERVICE MELBOURNE FL
156 PM EDT WED MAR 27 2013

FORECAST IS BASED ON IGNITION TIME OF 1000 EDT ON MARCH 28.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT UNTIL 8 PM EDT THIS WEDNESDAY EVENING...

.DISCUSSION...IT WILL BE A VERY COLD NIGHT AHEAD OF THE PROPOSED
PRESCRIBED BURN. OVERNIGHT LOWS WILL FALL INTO THE UPPER 30S TO LOWER
40S NEAR THE BURN SITE. PATCHY FROST WILL BE A POSSIBILITY LATE OVERNIGHT
INTO EARLY THURSDAY MORNING. HIGH PRESSURE WILL CONTINUE TO AFFECT THE
AREA THROUGH THE FORECAST PERIOD AS THE PRESSURE GRADIENT GRADUALLY
WEAKENS. MOISTURE VALUES WILL REMAIN VERY LOW FOR THIS TIME OF YEAR AND
CONDITIONS WILL REMAIN DRY. NORTHERLY FLOW WILL DOMINATE BUT THE FLOW
WILL BEGIN TO BECOME NORTH-NORTHEAST BY FRIDAY.

A FIRE WEATHER WATCH MAY BE ISSUED LATER TODAY WHEN THE LATEST ERC NUMBERS
COME IN. A RED FLAG WARNING MAY BE POSSIBLE FOR THURSDAY AND ISSUED BY THE
MIDNIGHT SHIFT. CONDITIONS WHICH MAY WARRANT A RED FLAG WARNING WILL INCLUDE
LONG DURATION OF LOW RH VALUES AND VERY DRY SOIL AND VEGETATION CONDITIONS.

.THURSDAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....AROUND 70.
MIN HUMIDITY........26 PERCENT.
WIND (20 FT)........NORTH WINDS 6 TO 10 MPH.
CHANCE OF PCPN......0 PERCENT.
LAL.................1.
MIXING HEIGHT.......400-1400 FT AGL INCREASING TO 2900-4400 FT AGL
                    LATE IN THE MORNING AND EARLY AFTERNOON.
TRANSPORT WINDS.....NORTH-NORTHWEST 6 TO 12 MPH.
DISPERSION INDEX....36.

TIME (EDT)      9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM
SKY (%).........MCR MCR MCR MCR MCR MCR MCR MCR MCR MCR MCR CLR
WEATHER COV.....
WEATHER TYPE....
TEMP............55  61  63  65  68  68  69  69  69  66  63  60
RH..............56  47  38  34  31  27  27  26  32  38  44  49
20 FT WIND DIR..N   N   N   N   N   N   N   N   N   N   N   N
20 FT WIND SPD..9   10  10  10  10  10  12  12  12  10  9   8
20 FT WIND GUST.            11  12  12  15  15  15  12  10  10

.THURSDAY NIGHT...

SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....AROUND 48.
MAX HUMIDITY........71 PERCENT.
WIND (20 FT)........NORTH WINDS 4 TO 6 MPH.
CHANCE OF PCPN......0 PERCENT.
LAL.................1.
MIXING HEIGHT.......2000-3500 FT AGL DECREASING TO 400-500 FT AGL
                    LATE IN THE EVENING AND OVERNIGHT.
TRANSPORT WINDS.....NORTH 6 TO 8 MPH.
DISPERSION INDEX....3.
LVORI...............4.

.FRIDAY...

SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....AROUND 72.
MIN HUMIDITY........29 PERCENT.
WIND (20 FT)........NORTH-NORTHEAST WINDS 5 TO 8 MPH.
CHANCE OF PCPN......0 PERCENT.
LAL.................1.
MIXING HEIGHT.......400-2000 FT AGL INCREASING TO 3000 FT AGL LATE
                    IN THE MORNING AND EARLY AFTERNOON.
TRANSPORT WINDS.....NORTH 5 TO 9 MPH.
DISPERSION INDEX....32.

$$
FORECASTER...SEDLOCK
REQUESTED BY...PAUL H
TYPE OF REQUEST...PRESCRIBED
.TAG 20130328.WOFST.01/MLB