FNUS72 KJAX 222139
FWSJAX

SPOT FORECAST FOR GRASSEY PRAIRIE 26...USDA FOREST SERVICE
NATIONAL WEATHER SERVICE JACKSONVILLE FL
539 PM EDT SUN MAY 22 2011

FORECAST IS BASED ON IGNITION TIME OF 1800 EDT ON MAY 22.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT UNTIL 6 PM EDT THIS EVENING...
...FIRE WEATHER WATCH IN EFFECT MONDAY AFTERNOON...

.DISCUSSION...LIGHT SOUTH WINDS NEAR 5 MPH WILL BECOME SOUTHEASTERLY
BY LATE EVENING DUE TO THE SEA BREEZE BUT WILL NOT BE STRONG AS DAYTIME
HEATING ENDS. AN UPPER LEVEL RIDGE WILL KEEP HOT AND DRY CONDITIONS
OVER THE AREA UNTIL THE MIDDLE OF THE WEEK. THERE IS A VERY SMALL CHANCE
OF A SHOWER THROUGH 8 PM OVER EASTERN MARION COUNTY.

MINIMUM RH VALUES WILL FALL BELOW 35 PERCENT OVER INLAND AREAS
MONDAY...AND THEN GRADUALLY RISE TO ABOVE CRITICAL VALUES
THEREAFTER AS MOISTURE INCREASES. WINDS WILL REMAIN AT 15 MPH
OR LESS THE NEXT FEW DAYS.

.FOR TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT). AREAS OF FOG LATE
                    IN THE NIGHT.
MIN TEMPERATURE.....AROUND 68.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 6 MPH IN THE EVENING
                    BECOMING LIGHT.
MIXING HEIGHT.......5700 FT AGL DECREASING TO 300-1600 FT AGL EARLY
                    IN THE EVENING.
MIXING WINDS........SOUTH 6 TO 10 MPH.
DISPERSION INDEX....3.
CHANCE OF PCPN......10 PERCENT.
LVORI...............6.

TIME (EDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........12     14     14     14     13     13
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............93     85     78     75     72     70
RH..............34     47     62     73     84     92
20 FT WIND......SSE 6  SE 6   SE 5   SE 5   SE 3   S 2
20 FT WIND GUST.10     10     10            5      5
MIX HGT (FT)....5700   1600   1600   1000   300    300
TRANSPORT WIND..SE 9   S 10   S 10   S 8    S 6    S 6
LVORI...........6      6      6      6      6      6
DISPERSION INDX.48     22     22     4      3      3
CHC OF PCPN (%).10     10     10     10     0      0

.MONDAY...

SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT). AREAS OF FOG EARLY IN
                    THE MORNING.
MAX TEMPERATURE.....AROUND 97.
MIN HUMIDITY........31 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 5 TO 8 MPH IN
                    THE AFTERNOON.
MIXING HEIGHT.......1000-1800 FT AGL INCREASING TO 4400 FT AGL LATE
                    IN THE MORNING...THEN INCREASING TO 7000 FT AGL
                    IN THE AFTERNOON.
MIXING WINDS........SOUTHEAST 7 TO 14 MPH.
DISPERSION INDEX....70.
CHANCE OF PCPN......0 PERCENT.

TIME (EDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
SKY (%).........14     12     12     12     20     20
WEATHER COV.....AREAS
WEATHER TYPE....FOG    NONE   NONE   NONE   NONE   NONE
TEMP............68     72     85     93     96     96
RH..............99     88     54     38     31     33
20 FT WIND......S 1    S 1    S 2    SE 5   SE 6   SE 8
20 FT WIND GUST.5             5             10     10
MIX HGT (FT)....1000   1800   1800   4400   7000   7000
TRANSPORT WIND..S 7    S 9    S 9    SE 9   SE 9   SE 9
DISPERSION INDX.3      4      4      47     69     69
CHC OF PCPN (%).0      0      0      0      0      0

$$
FORECASTER...SHASHY
REQUESTED BY...TAMMY MILTON
TYPE OF REQUEST...PRESCRIBED
.TAG 20110522.GRASS.01/JAX