FNUS72 KJAX 081137
FWSJAX

SPOT FORECAST FOR COUNTY LINE...U.S. FOREST SERVICE
NATIONAL WEATHER SERVICE JACKSONVILLE FL
737 AM EDT SUN APR 8 2012

FORECAST IS BASED ON REQUEST TIME OF 0718 EDT ON APRIL 08.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...SURFACE HIGH PRESSURE WILL BUILD OVER THE AREA
TODAY...THEN SHIFT WEST TONIGHT. SUB-CRITICAL RELATIVE HUMIDITY
VALUES ARE EXPECTED ACROSS NORTHEAST FLORIDA TODAY AND MONDAY...
AND ERC VALUES WILL RANGE FROM 30-34 UNITS. A FIRE DANGER STATEMENT
IS IN EFFECT FOR INLAND NORTHEAST FLORIDA TODAY. THIS AFTERNOON A
DRY COLD FRONT WILL APPROACH FROM THE NORTHWEST...AND WINDS WILL
BECOME WESTERLY TONIGHT AROUND 5 MPH. MONDAY YET ANOTHER DRY FRONT
WILL APPROACH FROM THE NORTHWEST WITH PREVAILING WESTERLY WINDS
10 MPH OR LESS.

THERE IS CONCERN THIS WEEK FOR ACTIVE FIRE GROWTH. SEVERAL DRY COLD
FRONTS WILL PUSH SOUTH OF THE AREA THROUGH TUESDAY...THEN NORTHERLY
FLOW WILL PREVAIL WEDNESDAY AND THURSDAY AS HIGH PRESSURE BUILDS
NORTH OF THE AREA.

.TODAY...

SKY/WEATHER.........SUNNY (5-15 PERCENT). SMOKE.
MAX TEMPERATURE.....AROUND 81.
MIN HUMIDITY........25 PERCENT.
WIND (20 FT)........LIGHT WINDS.
LAL.................1.
MIXING HEIGHT.......800-1600 FT AGL INCREASING TO 5800-7300 FT AGL.
MIXING WINDS........EAST 3 TO 6 MPH SHIFTING TO THE WEST 3 TO 5 MPH
                    IN THE LATE MORNING AND AFTERNOON.
DISPERSION INDEX....26.

TIME (EDT)      7 AM   9 AM   11 AM  1 PM   3 PM   5 PM
SKY (%).........9      3      3      4      5      6
WEATHER COV.....DEFNTE DEFNTE DEFNTE DEFNTE DEFNTE DEFNTE
WEATHER TYPE....SMOKE  SMOKE  SMOKE  SMOKE  SMOKE  SMOKE
TEMP............50     64     74     80     81     80
RH..............86     75     39     29     26     31
20 FT WIND......E 0    NE 0   N 1    NW 2   W 2    SW 2
20 FT WIND GUST.              5      5      5      5
MIX HGT (FT)....900    3700   5800   7300   7200   6800
TRANSPORT WIND..E 5    N 3    N 5    NW 3   W 3    W 5
DISPERSION INDX.2      2      25     27     27     35
LAL.............1      1      1      1      1      1

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT) THEN BECOMING
                    MOSTLY CLOUDY (45-55 PERCENT). SMOKE.
MIN TEMPERATURE.....AROUND 52.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........LIGHT WINDS.
LAL.................1.
MIXING HEIGHT.......4400-6300 FT AGL DECREASING TO 700-1300 FT AGL.
MIXING WINDS........WEST 5 TO 10 MPH.
DISPERSION INDEX....4.
LVORI...............9.

TIME (EDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........6      6      9      14     22     41
WEATHER COV.....DEFNTE DEFNTE DEFNTE DEFNTE DEFNTE DEFNTE
WEATHER TYPE....SMOKE  SMOKE  SMOKE  SMOKE  SMOKE  SMOKE
TEMP............78     70     63     60     57     54
RH..............31     44     56     64     73     83
20 FT WIND......SW 1   W 1    W 1    W 1    SW 1   W 1
20 FT WIND GUST.5      5                           5
MIX HGT (FT)....6300   4400   3100   2300   1700   1000
TRANSPORT WIND..W 5    W 6    W 7    W 9    W 10   W 9
LVORI...........9      9      9      9      9      9
LAL.............1      1      1      1      1      1

.MONDAY...

SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT).
MAX TEMPERATURE.....AROUND 84.
MIN HUMIDITY........32 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING WEST 5 TO 6 MPH EARLY IN
                    THE AFTERNOON.
LAL.................1.
MIXING HEIGHT.......100-1400 FT AGL INCREASING TO 5500-6200 FT AGL.
MIXING WINDS........WEST 2 TO 6 MPH.
DISPERSION INDEX....25.

$$
FORECASTER...SHULER
REQUESTED BY...TAMY MILTON
TYPE OF REQUEST...WILDFIRE
.TAG 20120408.COUNT.01/JAX