FNUS74 KLCH 101143
FWSLCH

SPOT FORECAST FOR LACASSINE LEVEES...USFWS
NATIONAL WEATHER SERVICE LAKE CHARLES LA
643 AM CDT WED AUG 10 2011

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

...HEAT ADVISORY IN EFFECT UNTIL 6 PM CDT THURSDAY...

.DISCUSSION...
UPPER LEVEL RIDGING WILL BUILD OVER THE SPOT AREA THE NEXT COUPLE OF
DAYS...LIMITING RAIN CHANCES AND BRINGING UNUSUALLY HOT CONDITIONS
WITH AFTERNOON HIGHS IN THE MID 90S TO AROUND 100 DEGREES. HEAT
INDICES BETWEEN 105 AND 115 DEGREES ARE EXPECTED BETWEEN 11 AM AND
6 PM. WINDS WILL BE SOUTHWEST 5 TO 10 MPH TODAY...WITH GUSTS
AROUND 15 MPH POSSIBLE DURING THE AFTERNOON. FOG DEVELOPMENT IS
NOT ANTICIPATED TONIGHT DUE TO THE DRY ANTECEDENT CONDITIONS.


.TODAY...

SKY/WEATHER.........SUNNY (20-30 PERCENT).
MAX TEMPERATURE.....AROUND 95.
MIN HUMIDITY........56 PERCENT.
EYE LEVEL WINDS.....SOUTHWEST WINDS 7 TO 10 MPH.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......400-1900 FT AGL INCREASING TO 3400-4800 FT AGL
                    EARLY IN THE MORNING...THEN INCREASING TO
                    5100-6800 FT AGL IN THE LATE MORNING AND
                    AFTERNOON.
MIXING WINDS........SOUTHWEST 6 TO 14 MPH INCREASING TO AROUND 16
                    MPH LATE IN THE AFTERNOON.

TIME (CDT)      9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM
SKY (%).........25  26  26  27  28  26  25  23  22  20  19  19
WEATHER COV.....
WEATHER TYPE....
TEMP............85  88  89  91  93  94  94  94  93  92  90  87
RH..............77  70  67  64  59  56  56  58  60  62  66  72
EYE LVL WND DIR.SW  SW  SW  SW  SW  SW  SW  SW  SW  SW  SW  SW
EYE LVL WND SPD.6   6   6   7   7   7   7   7   7   6   6   6
EYE LVL WND GST.10  10  10  10  10  15  10  10  10  10  10  10
MIX HGT (KFT)...3.4 4.8 5.5 6.2 6.8 6.7 6.5 6.4 5.1 3.9 2.6 2.0
MIX HGT (KM)....1.0 1.5 1.7 1.9 2.1 2.0 2.0 2.0 1.6 1.2 0.8 0.6
TRANSP WIND DIR.SW  SW  SW  SW  SW  SW  SW  SW  SW  SW  SW  S
TRANSP WIND SPD.12  14  13  9   7   6   7   8   12  16  18  17
TRANS SPD (M/S).5   6   6   4   3   3   3   4   5   7   8   8
HAINES INDEX....2   2   2   2   2   2   2   2   2   2   2   3

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT).
MIN TEMPERATURE.....AROUND 79.
MAX HUMIDITY........88 PERCENT.
EYE LEVEL WINDS.....SOUTHWEST WINDS 6 TO 9 MPH.
HAINES INDEX........2 TO 4 OR OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH TO OR LOW POTENTIAL FOR
                    LARGE PLUME DOMINATED FIRE GROWTH.
MIXING HEIGHT.......700-2600 FT AGL DECREASING TO 300-500 FT AGL
                    LATE IN THE EVENING.
MIXING WINDS........SOUTH 10 TO 18 MPH DECREASING TO 3 TO 8 MPH
                    LATE IN THE EVENING.

.THURSDAY...

SKY/WEATHER.........SUNNY (20-30 PERCENT).
MAX TEMPERATURE.....AROUND 94.
MIN HUMIDITY........58 PERCENT.
EYE LEVEL WINDS.....SOUTH WINDS 6 TO 9 MPH.
HAINES INDEX........3 TO 4 OR OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH TO OR LOW POTENTIAL FOR
                    LARGE PLUME DOMINATED FIRE GROWTH.
MIXING HEIGHT.......400-2000 FT AGL INCREASING TO 3600-5200 FT AGL
                    EARLY IN THE MORNING...THEN INCREASING TO
                    5200-7100 FT AGL IN THE LATE MORNING AND
                    AFTERNOON.
MIXING WINDS........SOUTH 3 TO 12 MPH.

$$
FORECASTER...LOCKWOOD
REQUESTED BY...JON KING
TYPE OF REQUEST...PRESCRIBED
.TAG 20110810.LACAS.01/LCH