FNUS72 KMLB 121125
FWSMLB

SPOT FORECAST FOR NP4B...FLORIDA PARK SERVICE
NATIONAL WEATHER SERVICE MELBOURNE FL
725 AM EDT WED SEP 12 2012

FORECAST IS BASED ON IGNITION TIME OF 1030 EDT ON SEPTEMBER 12.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...THE VERTICAL WIND PROFILERS AT THE SPACE CENTER WERE
DETECTING 20 MPH EASTERLY WINDS FROM JUST OFF THE SURFACE TO 3500
FEET AND 15 MPH ABOVE THAT LEVEL. THE WIND PROFILE WILL QUICKLY
INCREASE TO 15 TO 20 MPH MID MORNING AS DAYTIME HEATING MIXES THE
STRONGER WINDS DOWN TO THE SURFACE AND 20 FOOT LEVELS. ISOLATED
MORNING SHOWERS WILL COME OFF THE ATLANTIC AND MOVE QUICKLY EAST
TO WEST. SLIGHT CHANCE OF AN AFTERNOON THUNDERSTORM IN THE STABLE
MARINE AIR MASS.

.TODAY...

SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF MORNING SHOWERS.
                    CHANCE OF AFTERNOON SHOWERS AND A SLIGHT CHANCE OF
                    AFTERNOON THUNDERSTORMS.
MAX TEMPERATURE.....AROUND 86.
MIN HUMIDITY........59 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 7 MPH INCREASING TO 16 MPH BURN TIME.
CHANCE OF PCPN......30 PERCENT.
LAL.................1 UNTIL 1200...THEN 2.
MIXING HEIGHT.......4300-4800 FT AGL.
TRANSPORT WINDS.....EAST 15 TO 23 MPH.
DISPERSION INDEX....66.
LVORI...............0.

TIME (EDT)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM
SKY (%).........PC  PC  PC  PC  PC  PC  PC  PC  PC  PC  PC  PC
WEATHER COV.....CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC SCH SCH
WEATHER TYPE....RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW
TEMP............83  84  84  84  84  84  83  83  82  81  80  79
RH..............65  61  61  61  61  61  61  61  63  65  67  67
20 FT WIND DIR..NE  NE  NE  NE  NE  NE  NE  NE  NE  NE  NE  NE
20 FT WIND SPD..16  17  17  17  18  18  18  18  17  15  14  14
20 FT WIND GUST.25  25  25  25  25  25  25  25  25  20  20  20

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT
                    CHANCE OF THUNDERSTORMS EARLY IN THE
                    EVENING...THEN SLIGHT CHANCE OF SHOWERS EARLY
                    IN THE EVENING.
MIN TEMPERATURE.....AROUND 75.
MAX HUMIDITY........76 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 8 TO 17 MPH.
CHANCE OF PCPN......20 PERCENT.
LAL.................2 UNTIL 2000...THEN 1.
MIXING HEIGHT.......2900-4400 FT AGL.
TRANSPORT WINDS.....EAST 14 TO 23 MPH.
DISPERSION INDEX....19.
LVORI...............3.

.THURSDAY...

SKY/WEATHER.........PARTLY SUNNY THEN BECOMING CONSIDERABLE
                    CLOUDINESS. CHANCE OF SHOWERS EARLY IN THE
                    MORNING.
MAX TEMPERATURE.....AROUND 88.
MIN HUMIDITY........59 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 7 TO 15 MPH.
CHANCE OF PCPN......30 PERCENT.
LAL.................1 UNTIL 0800...THEN 2.
MIXING HEIGHT.......1800-2900 FT AGL INCREASING TO 4500 FT AGL
                    EARLY IN THE AFTERNOON.
TRANSPORT WINDS.....EAST 14 TO 17 MPH.
DISPERSION INDEX....47.
LVORI...............0.

$$
FORECASTER...WIMMER
REQUESTED BY...EMILY WEHR
TYPE OF REQUEST...PRESCRIBED
.TAG 20120912.NP4B_.01/MLB