FNUS74 KLCH 181242
FWSLCH

SPOT FORECAST FOR LACASSINE UNIT A- 2013...USFWS
NATIONAL WEATHER SERVICE LAKE CHARLES LA
742 AM CDT THU JUL 18 2013

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

.DISCUSSION...
DAYTIME HEATING WILL COMBINE WITH A WARM AND MOIST AIR MASS AND
AN APPROACHING DISTURBANCE ALOFT TO PRODUCE SCATTERED MAINLY
AFTERNOON SHOWERS AND THUNDERSTORMS TODAY. ANOTHER UPPER LEVEL LOW
WILL NEAR THE AREA ON FRIDAY...ACCOMPANIED BY A SLIGHT INCREASE IN
SHOWER AND THUNDERSTORM ACTIVITY.


.TODAY...

SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). CHANCE OF SHOWERS
                    AND THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 91.
MIN HUMIDITY........51 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS BECOMING EAST 5 TO 7 MPH IN THE
                    LATE MORNING AND AFTERNOON.
HAINES INDEX........3 TO 4 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH TO OR LOW POTENTIAL FOR
                    LARGE PLUME DOMINATED FIRE GROWTH.
MIXING HEIGHT.......300-1900 FT AGL INCREASING TO 7500-8100 FT AGL.
MIXING WINDS........NORTHEAST 5 TO 9 MPH.

TIME (CDT)      9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM
SKY (%).........31  35  39  42  46  46  46  47  47  47  47  46
WEATHER COV.....                CHC CHC CHC CHC CHC CHC SCH SCH
WEATHER TYPE....                TSM TSM TSM TSM TSM TSM TSM TSM
TEMP............82  85  87  88  89  90  90  90  89  87  86  83
RH..............68  61  58  53  51  51  53  53  56  58  64  69
EYE LVL WND DIR.NE  NE  NE  E   E   E   E   E   E   SE  SE  SE
EYE LVL WND SPD.4   5   5   5   5   5   5   5   5   4   4   3
EYE LVL WND GST.5   10  10  10  10  10  10  10  10  10  5   5
MIX HGT (KFT)...3.6 5.3 5.5 5.7 5.9 6.6 7.3 8.1 7.5 7.0 6.4 4.5
MIX HGT (KM)....1.1 1.6 1.7 1.7 1.8 2.0 2.2 2.5 2.3 2.1 2.0 1.4
TRANSP WIND DIR.NE  E   E   NE  NE  NE  NE  NE  NE  NE  NE  E
TRANSP WIND SPD.6   7   7   8   8   8   9   9   9   9   9   8
TRANS SPD (M/S).3   3   3   4   4   4   4   4   4   4   4   4
HAINES INDEX....3   3   3   3   4   4   4   4   4   4   4   4

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT). CHANCE OF
                    SHOWERS AND THUNDERSTORMS EARLY IN THE
                    EVENING...THEN SLIGHT CHANCE OF SHOWERS AND
                    THUNDERSTORMS.
MIN TEMPERATURE.....AROUND 74.
MAX HUMIDITY........90 PERCENT.
EYE LEVEL WINDS.....SOUTHEAST WINDS 5 TO 6 MPH EARLY IN THE EVENING
                    BECOMING LIGHT.
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.......6400-7000 FT AGL DECREASING TO 300-500 FT AGL.
MIXING WINDS........SOUTHEAST 2 TO 9 MPH SHIFTING TO THE SOUTHWEST
                    AROUND 1 MPH AFTER MIDNIGHT...THEN SHIFTING TO
                    THE NORTH AROUND 2 MPH EARLY IN THE MORNING.

.FRIDAY...

SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT). CHANCE OF SHOWERS
                    AND THUNDERSTORMS.
MAX TEMPERATURE.....AROUND 91.
MIN HUMIDITY........54 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTH AROUND 5 MPH LATE IN
                    THE AFTERNOON.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......300 FT AGL INCREASING TO 2400 FT AGL EARLY IN
                    THE MORNING...THEN INCREASING TO 4500 FT AGL
                    LATE IN THE MORNING INCREASING TO 4800-6600 FT
                    AGL IN THE LATE MORNING AND EARLY AFTERNOON
                    DECREASING TO 4500-4600 FT AGL.
MIXING WINDS........NORTHWEST 3 TO 6 MPH.

$$
FORECASTER...ESCUDE
REQUESTED BY...JAMIE FARMER
TYPE OF REQUEST...PRESCRIBED
.TAG 20130718.LACAS.01/LCH