FNUS74 KLCH 112018
FWSLCH

SPOT FORECAST FOR BACKRIDGE SOUTH FIRE...USFWS
NATIONAL WEATHER SERVICE LAKE CHARLES LA
318 PM CDT TUE AUG 11 2009

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

.DISCUSSION...
SHOWERS AND THUNDERSTORMS THIS AFTERNOON ARE DEVELOPING ALONG THE SEA
BREEZE AND OUTFLOW BOUNDARIES. THIS WILL CAUSE THE WIND TO SHIFT
DIRECTIONS IN YOUR LOCATION OVER THE NEXT SEVERAL HOURS BEFORE
BECOMING SOUTHERLY AROUND 5 KNOTS ABOUT 5 PM AS STORMS ARE EXPECTED TO
TAPER OFF. WINDS WILL BE GUSTY AT TIMES FROM THE OUTFLOW BOUNDARIES.

THE BIG FLY IN THE OINTMENT ARE STORMS OVER THE LAKES REGION OF SOUTHEAST
TEXAS. THEY ARE EXPECTED TO KEEP THE THREAT OF SHOWERS AND THUNDERSTORMS
IN THE FORECAST DURING THE OVERNIGHT HOURS AS THEY MOVE TO THE SOUTH. THEY
WILL PRODUCE ADDITIONAL LIGHTNING STRIKES AND GUSTY WINDS AT TIMES. WILL
JUST HAVE TO WATCH THIS DEVELOPMENT.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT). CHANCE OF
                    SHOWERS AND THUNDERSTORMS THROUGH SUNSET.
                    THUNDERSTORM ALSO AGAIN LATER MOVING DOWN FROM
                    THE NORTH. SHOULD THE VISIBLE FROM THE LIGHTNING
                    STRIKES.
MIN TEMPERATURE.....AROUND 79.
MAX HUMIDITY........87 PERCENT.
EYE LEVEL WINDS.....SOUTH WINDS 5 TO 7 MPH EARLY IN THE EVENING
                    BECOMING LIGHT.
MIXING HEIGHT.......900-2600 FT AGL DECREASING TO 500-600 FT AGL IN
                    THE LATE EVENING AND OVERNIGHT.
MIXING WINDS........WEST 9 TO 14 MPH.
WIND (20 FT)........
 SLOPE/VALLEY.......VARIABLE WINDS 5 TO 7 MPH EARLY IN THE EVENING
                    BECOMING SOUTH. EXPECTED GUSTY AND ERRATIC WINDS
                    EXPECTED NEAR THUNDERSTORMS.
MIXING WINDS........WEST 9 TO 14 MPH.

TIME (CDT)      4PM 5PM 6PM 7PM 8PM 9PM 10P 11P MID 1AM
SKY (%).........80  75  61  62  63  64  65  67  67  67
WEATHER COV.....CHC CHC CHC ISO ISO ISO ISO ISO CHC CHC
WEATHER TYPE....TSM TSM TSM TSM TSM TSM TSM TSM TSM TSM
TEMP............88  88  88  88  86  84  83  82  82  81
RH..............70  68  69  75  79  82  83  83  84  85
20 FT WIND DIR..VRB VRB S   S   S   S   S   S   S   SW
20 FT WIND SPD..6   6   7   7   7   7   7   7   7   6
20 FT WIND GUST.12  12  13  13  13  12  12  12  12  13
EYE LVL WND DIR.VRB VRB S   S   S   S   S   S   S   SW
EYE LVL WND SPD.6   6   7   7   7   7   7   7   7   6
EYE LVL WND GST.11  11  12  12  12  12  12  12  12  13

.WEDNESDAY...

SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). CHANCE OF
                    SHOWERS AND THUNDERSTORMS.
MAX TEMPERATURE.....AROUND 92.
MIN HUMIDITY........60 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS BECOMING NORTHEAST 5 TO 6 MPH IN
                    THE LATE MORNING AND EARLY AFTERNOON...THEN
                    SHIFTING TO THE SOUTHEAST AROUND 6 MPH LATE IN
                    THE AFTERNOON.
MIXING HEIGHT.......800-2300 FT AGL INCREASING TO 5100-7000 FT AGL.
MIXING WINDS........SOUTHWEST 3 TO 10 MPH.
WIND (20 FT)........
 SLOPE/VALLEY.......LIGHT WINDS BECOMING NORTHEAST 5 TO 6 MPH IN
                    THE LATE MORNING AND EARLY AFTERNOON...THEN
                    SHIFTING TO THE SOUTHEAST AROUND 6 MPH LATE IN
                    THE AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED
                    NEAR THUNDERSTORMS.
MIXING WINDS........SOUTHWEST 3 TO 10 MPH.

.WEDNESDAY NIGHT...

SKY/WEATHER.........MOSTLY CLOUDY (50-60 PERCENT).
MIN TEMPERATURE.....AROUND 75.
MAX HUMIDITY........98 PERCENT.
EYE LEVEL WINDS.....SOUTH WINDS 5 TO 6 MPH EARLY IN THE EVENING
                    BECOMING LIGHT.
MIXING HEIGHT.......2600-3800 FT AGL DECREASING TO 0-1500 FT AGL
                    EARLY IN THE EVENING.
MIXING WINDS........SOUTH AROUND 3 MPH SHIFTING TO THE NORTH 3 TO 6
                    MPH IN THE LATE EVENING AND OVERNIGHT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTH WINDS 5 TO 6 MPH EARLY IN THE EVENING
                    BECOMING LIGHT. GUSTY AND ERRATIC WINDS
                    EXPECTED NEAR THUNDERSTORMS.
MIXING WINDS........SOUTH AROUND 3 MPH SHIFTING TO THE NORTH 3 TO 6
                    MPH IN THE LATE EVENING AND OVERNIGHT.

$$
FORECASTER...KUYPER
REQUESTED BY...GATOR SMITH
TYPE OF REQUEST...WILDFIRE
.TAG 20090811.BACKR.01/LCH