FNUS72 KJAX 131219
FWSJAX

SPOT FORECAST FOR LITTLE FROG...USDA
NATIONAL WEATHER SERVICE JACKSONVILLE FL
719 AM EST THU JAN 13 2011

FORECAST IS BASED ON IGNITION TIME OF 0735 EST ON JANUARY 13.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM EST THIS
EVENING FOR LOW RELATIVE HUMIDITY...
...FIRE WEATHER WATCH IN EFFECT FRIDAY AFTERNOON FOR LOW RH...

.DISCUSSION...COLD HIGH PRESSURE AND THE DRY AIR MASS WILL REMAIN
IN PLACE THROUGH THE WEEKEND. RED FLAG CONDITIONS WILL CONTINUE ON
FRIDAY THEN OVER THE WEEKEND...MINIMUM RH VALUES ARE FORECAST TO
BE JUST ABOVE 35 PERCENT. MOISTURE WILL INCREASE NEXT WEEK AS A
FRONTAL SYSTEM APPROACHES THE AREA. WINDS ARE EXPECTED TO REMAIN
BELOW 15 MPH THROUGH MONDAY.

.TODAY...

SKY/WEATHER.........SUNNY (5-15 PERCENT). PATCHY FROST EARLY IN THE
                    MORNING.
MAX TEMPERATURE.....AROUND 47.
MIN HUMIDITY........27 PERCENT.
WIND (20 FT)........NORTH WINDS 7 TO 9 MPH.
MIXING HEIGHT.......700-2600 FT AGL.
MIXING WINDS........NORTH 16 TO 20 MPH DECREASING TO 9 TO 10 MPH IN
                    THE AFTERNOON.
DISPERSION INDEX....33.

TIME (EST)      7 AM   9 AM   11 AM  1 PM   3 PM   5 PM
SKY (%).........10     10     10     10     10     10
WEATHER COV.....PATCHY
WEATHER TYPE....FROST  NONE   NONE   NONE   NONE   NONE
TEMP............23     33     42     46     47     43
RH..............64     55     37     30     27     45
20 FT WIND......N 8    N 9    N 8    N 8    N 8    N 7
20 FT WIND GUST.10     10     10     10     10
MIX HGT (FT)....1100   1800   1800   2600   2600   2100
TRANSPORT WIND..N 20   N 20   N 16   N 10   N 10   N 9

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT). AREAS OF FROST
                    AFTER MIDNIGHT.
MIN TEMPERATURE.....AROUND 21.
MAX HUMIDITY........81 PERCENT.
WIND (20 FT)........NORTH WINDS AROUND 5 MPH EARLY IN THE EVENING
                    BECOMING LIGHT.
MIXING HEIGHT.......300-2100 FT AGL.
MIXING WINDS........NORTH 5 TO 9 MPH.
DISPERSION INDEX....2.

TIME (EST)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........10     10     10     10     10     10
WEATHER COV.....                            AREAS  AREAS
WEATHER TYPE....NONE   NONE   NONE   NONE   FROST  FROST
TEMP............38     31     28     25     24     22
RH..............45     64     71     74     75     77
20 FT WIND......N 5    N 3    N 3    N 2    N 3    N 3
20 FT WIND GUST.       5      5      5      5      5
MIX HGT (FT)....2100   700    500    500    300    400
TRANSPORT WIND..N 9    N 8    N 6    N 6    NE 5   N 8

.FRIDAY...

SKY/WEATHER.........SUNNY (5-15 PERCENT). AREAS OF FROST EARLY IN
                    THE MORNING.
MAX TEMPERATURE.....AROUND 55.
MIN HUMIDITY........27 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING NORTHEAST AROUND 5 MPH
                    EARLY IN THE MORNING.
MIXING HEIGHT.......400-1800 FT AGL INCREASING TO 2400-2900 FT AGL
                    IN THE AFTERNOON.
MIXING WINDS........NORTHEAST 5 TO 12 MPH.
DISPERSION INDEX....18.

$$
FORECASTER...TRABERT
REQUESTED BY...PETE MYERS
TYPE OF REQUEST...PRESCRIBED
.TAG 20110113.LITTL.01/JAX