FNUS72 KJAX 271252
FWSJAX

SPOT FORECAST FOR SWARTHOUT...USDA
NATIONAL WEATHER SERVICE JACKSONVILLE FL
752 AM EST THU JAN 27 2011

FORECAST IS BASED ON IGNITION TIME OF 0805 EST ON JANUARY 27.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT FROM 1 PM TO 5 PM EST THIS
AFTERNOON...

.DISCUSSION...HIGH PRESSURE WILL BUILD INTO THE AREA BRINGING
DRIER AIR TO THE REGION THROUGH THE WEEKEND. CRITICALLY
LOW RH VALUES ARE EXPECTED FOR MARGINAL DURATIONS OVER PARTS OF
INLAND NORTHEAST FLORIDA THIS AFTERNOON.

A VERY LIGHT NORTHWEST WIND THIS MORNING WILL BEGIN TO PICK UP
THROUGH THE LATE MORNING AND AFTERNOON BUT SPEEDS ARE EXPECTED
TO BE BELOW 15 MPH. RED FLAG CRITERIA MAY BE MET AT THE IGNITION
SITE BUT MAIN AREA WILL BE WEST OF THE LOCATION.

RH VALUES MAY REACH RED FLAG CRITERIA AGAIN OVER INLAND AREAS ON
FRIDAY. WINDS WILL BE NEAR 15 TO 20 MPH ON FRIDAY.

.TODAY...

SKY/WEATHER.........SUNNY (5-20 PERCENT). AREAS OF FROST EARLY.
MAX TEMPERATURE.....AROUND 58.
MIN HUMIDITY........33 PERCENT.
WIND (20 FT)........WEST WINDS 5 TO 10 MPH.
LAL.................1.
MIXING HEIGHT.......NEAR 1300 FT AGL INCREASING TO 2800 FT AGL
                    IN THE AFTERNOON.
MIXING WINDS........WEST 9 TO 13 MPH.
DISPERSION INDEX....40.
CHANCE OF PCPN......0 PERCENT.

TIME (EST)      8 AM   10 AM  NOON   2 PM   4 PM
SKY (%).........5      14     15     22     22
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE
TEMP............36     50     56     58     57
RH..............85     52     38     35     41
20 FT WIND......NW 4   NW 9   NW 10  W 9    W 8
20 FT WIND GUST.10     15     15     15     10
MIX HGT (FT)....1200   1700   2700   2700   1800
TRANSPORT WIND..NW 10  NW 13  W 13   W 13   W 12
DISPERSION INDX.11     28     38     38     26
CHC OF PCPN (%).0      0      0      0      0
LAL.............1      1      1      1      1

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT). AREAS OF FROST
                    AFTER MIDNIGHT.
MIN TEMPERATURE.....AROUND 32.
MAX HUMIDITY........92 PERCENT.
WIND (20 FT)........WEST WINDS 5 MPH UNTIL EARLY MORNING
                    BECOMING LIGHT.
LAL.................1.
MIXING HEIGHT.......400-1800 FT AGL.
MIXING WINDS........WEST 7 TO 12 MPH.
DISPERSION INDEX....3.
CHANCE OF PCPN......0 PERCENT.
LVORI...............5.

TIME (EST)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........18     32     32     32     10     10
WEATHER COV.....                            AREAS  AREAS
WEATHER TYPE....NONE   NONE   NONE   NONE   FROST  FROST
TEMP............50     43     39     37     35     33
RH..............50     67     75     81     85     90
20 FT WIND......W 6    W 5    W 5    W 5    W 5    W 3
20 FT WIND GUST.10            10     10     10     5
MIX HGT (FT)....1800   800    600    600    400    500
TRANSPORT WIND..W 12   W 9    W 7    W 7    W 7    W 9
LVORI...........5      5      5      5      5      5
DISPERSION INDX.26     4      3      3      3      4
CHC OF PCPN (%).0      0      0      0      0      0
LAL.............1      1      1      1      1      1

.FRIDAY...

SKY/WEATHER.........SUNNY (0-10 PERCENT). AREAS OF FROST EARLY IN
                    THE MORNING.
MAX TEMPERATURE.....AROUND 64.
MIN HUMIDITY........35 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING WEST 10 TO 16 MPH.
LAL.................1.
MIXING HEIGHT.......500-2200 FT AGL INCREASING TO 3600 FT AGL
                    IN THE AFTERNOON.
MIXING WINDS........WEST 9 TO 14 MPH INCREASING TO 20 TO 24 MPH IN
                    THE LATE MORNING AND AFTERNOON.
DISPERSION INDEX....64.
CHANCE OF PCPN......0 PERCENT.

$$
FORECASTER...SHASHY
REQUESTED BY...PETE MYERS
TYPE OF REQUEST...PRESCRIBED
.TAG 20110127.SWART.01/JAX