FNUS72 KJAX 281220
FWSJAX

SPOT FORECAST FOR WHITE EGRET BEAL...USDA
NATIONAL WEATHER SERVICE JACKSONVILLE FL
720 AM EST FRI JAN 28 2011

FORECAST IS BASED ON IGNITION TIME OF 0800 EST ON JANUARY 28.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 6 PM EST THIS EVENING...

.DISCUSSION...THE COMBINATION OF HIGH PRESSURE ADVANCING EAST ACROSS THE
GULF OF MEXICO AND A COLD FRONT APPROACHING FROM THE NORTH WILL LIKELY
GENERATE SUSTAINED WINDS AROUND 15 MPH LATER THIS MORNING AND INTO THIS
AFTERNOON. GUSTS TO 25 MPH ARE EXPECTED. A DRY AIR MASS WILL LINGER
WITH RELATIVE HUMIDITIES FORECAST TO BOTTOM OUT AROUND 35 PERCENT
ACROSS MOST AREAS. A RED FLAG WARNING IS IN EFFECT THIS
AFTERNOON ACROSS NORTHEAST FLORIDA DUE TO LOW RH AND WINDS.

ON SATURDAY...MOST LOCALES WILL AGAIN BOTTOM OUT AROUND 35 PERCENT...
HOWEVER WINDS WILL SUSTAIN LESS THAN 15 MPH. RED FLAGS ARE NOT
ANTICIPATED DUE TO LIGHT WINDS AND SHORT DURATIONS OF CRITICALLY LOW
RH VALUES.

.TODAY...

SKY/WEATHER.........SUNNY (10-20 PERCENT). FROST EARLY IN THE MORNING.
MAX TEMPERATURE.....AROUND 65.
MIN HUMIDITY........35 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING WEST 6 TO 14 MPH WITH
                    GUSTS TO AROUND 25 MPH IN THE MORNING.
MIXING HEIGHT.......400 FT AGL INCREASING TO 3100-3800 FT AGL
                    IN THE AFTERNOON.
MIXING WINDS........WEST 7 TO 10 MPH INCREASING TO 17 TO 23 MPH IN
                    THE LATE MORNING AND AFTERNOON.
DISPERSION INDEX....62.

TIME (EST)      8 AM   10 AM  NOON   2 PM   4 PM
SKY (%).........5      8      8      10     10
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE
TEMP............34     48     59     64     64
RH..............92     60     42     35     35
20 FT WIND......W 6    W 10   W 14   W 14   W 12
20 FT WIND GUST.10     20     25     25     20
MIX HGT (FT)....400    2200   2200   3800   3100
TRANSPORT WIND..W 10   W 18   W 18   W 23   W 17
DISPERSION INDX.5      12     48     62     57

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT). PATCHY FROST AFTER
                    MIDNIGHT.
MIN TEMPERATURE.....AROUND 36.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........WEST WINDS AROUND 7 MPH EARLY IN THE EVENING
                    BECOMING LIGHT.
MIXING HEIGHT.......3100 FT AGL DECREASING TO 300-900 FT AGL.
MIXING WINDS........WEST 9 TO 17 MPH DECREASING TO 5 TO 6 MPH IN
                    THE LATE EVENING AND OVERNIGHT.
DISPERSION INDEX....2.
LVORI...............6.

TIME (EST)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........10     10     10     10     12     12
WEATHER COV.....                            PATCHY PATCHY
WEATHER TYPE....NONE   NONE   NONE   NONE   FROST  FROST
TEMP............56     48     44     42     40     38
RH..............52     74     84     90     93     96
20 FT WIND......W 7    W 3    W 2    W 2    W 2    W 1
20 FT WIND GUST.15     10     10     5      5      5
MIX HGT (FT)....3100   900    600    600    300    500
TRANSPORT WIND..W 17   W 9    W 6    W 6    W 5    W 5
LVORI...........6      6      6      6      6      6
DISPERSION INDX.67     11     6      3      2      2

.SATURDAY...

SKY/WEATHER.........SUNNY (10-20 PERCENT). PATCHY FROST EARLY IN
                    THE MORNING.
MAX TEMPERATURE.....AROUND 70.
MIN HUMIDITY........36 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING WEST 5 TO 7 MPH LATE IN
                    THE MORNING.
MIXING HEIGHT.......500-2000 FT AGL INCREASING TO 2800-3200 FT AGL
                    IN THE AFTERNOON.
MIXING WINDS........WEST 5 TO 12 MPH.
DISPERSION INDEX....46.

$$
FORECASTER...SHASHY
REQUESTED BY...PETE MYERS
TYPE OF REQUEST...PRESCRIBED
.TAG 20110128.WHITE.01/JAX