FNUS74 KLCH 131120
FWSLCH

SPOT FORECAST FOR LACASSINE POOL ISLAND...USFWS
NATIONAL WEATHER SERVICE LAKE CHARLES LA
520 AM CST MON DEC 13 2010

IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
LIGHT NORTHERLY WINDS WILL FURTHER WEAKEN THIS AFTERNOON.

HOWEVER...THE AFTERNOON RELATIVE HUMIDITIES WILL BE RUNNING
AROUND 20 PERCENT...SLIGHTLY HIGHER AT THE COAST.

THE VERY LOW AFTERNOON HUMIDITIES...OCCURRING WITHIN AN ONGOING
DROUGHT...WILL BRING ABOUT AN ELEVATED FIRE DANGER.


.TODAY...

SKY/WEATHER.........SUNNY (0-10 PERCENT).
MAX TEMPERATURE.....AROUND 53.
MIN HUMIDITY........21 PERCENT.
EYE LEVEL WINDS.....NORTH WINDS 5 TO 7 MPH BECOMING LIGHT.
HAINES INDEX........2 TO 3 OR OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......0-1900 FT AGL INCREASING TO 1400-3100 FT AGL IN
                    THE AFTERNOON.
MIXING WINDS........NORTH 7 TO 16 MPH INCREASING TO 8 TO 17 MPH IN
                    THE LATE MORNING AND AFTERNOON...THEN
                    DECREASING TO AROUND 7 MPH LATE IN THE
                    AFTERNOON.

TIME (CST)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........0   0   0   0   0   0   0   0   0   6   9   9
WEATHER COV.....
WEATHER TYPE....
TEMP............32  32  34  37  42  45  48  50  51  51  49  45
RH..............52  49  43  36  29  25  22  21  21  21  24  29
EYE LVL WND DIR.N   N   N   N   N   N   N   N   N   N   NE  NE
EYE LVL WND SPD.5   5   5   5   5   5   5   5   5   4   4   3
EYE LVL WND GST.10  10  10  10  10  10  10  10  10  5   5   5
MIX HGT (KFT)...0.1 0.1 0.3 0.6 1.2 1.9 2.5 2.9 3.1 2.9 2.3 1.4
MIX HGT (KM)....0.1 0.1 0.1 0.2 0.4 0.6 0.8 0.9 0.9 0.9 0.7 0.4
TRANSP WIND DIR.NW  NW  N   N   N   N   N   N   N   N   N   N
TRANSP WIND SPD.7   10  14  16  17  16  15  14  12  10  8   7
TRANS SPD (M/S).3   4   6   7   8   7   7   6   5   4   4   3
HAINES INDEX....3   3   3   2   2   2   2   2   2   2   2   2

.TONIGHT...

SKY/WEATHER.........CLEAR (0-10 PERCENT).
MIN TEMPERATURE.....AROUND 28.
MAX HUMIDITY........69 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......0-600 FT AGL.
MIXING WINDS........EAST AROUND 6 MPH.

.TUESDAY...

SKY/WEATHER.........SUNNY (15-25 PERCENT) THEN BECOMING PARTLY
                    SUNNY (50-60 PERCENT).
MAX TEMPERATURE.....AROUND 59.
MIN HUMIDITY........41 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTHEAST 5 TO 9 MPH EARLY
                    IN THE MORNING.
HAINES INDEX........2 TO 3 OR OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......0-1400 FT AGL INCREASING TO 2100-3000 FT AGL IN
                    THE AFTERNOON.
MIXING WINDS........SOUTHEAST 7 TO 16 MPH.

$$
FORECASTER...TRARES
REQUESTED BY...MATTHEW JOHNSON
TYPE OF REQUEST...PRESCRIBED
.TAG 20101213.LACAS.01/LCH