FNUS74 KLCH 290959
FWSLCH

SPOT FORECAST FOR LACASSINE UNIT B...USFWS
NATIONAL WEATHER SERVICE LAKE CHARLES LA
459 AM CDT MON MAR 29 2010

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

.DISCUSSION...

A DOME OF HIGH PRESSURE ACROSS SOUTH TEXAS WILL ADVANCE
EASTWARD INTO THE NORTHWEST GULF OF MEXICO THIS EVENING.
LIGHT NORTHERLY WINDS TODAY WILL BECOME SOUTHERLY TONIGHT.

.TODAY...

SKY/WEATHER.........SUNNY (0-5 PERCENT).
MAX TEMPERATURE.....AROUND 67.
MIN HUMIDITY........35 PERCENT.
WIND (EYE LEVEL)....WEST WINDS 5 TO 7 MPH.
HAINES INDEX........3 TO 5 OR OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH TO OR MODERATE POTENTIAL
                    FOR LARGE PLUME DOMINATED FIRE GROWTH.
MIXING HEIGHT.......100-1900 FT AGL INCREASING TO 5400-6100 FT AGL.
MIXING WINDS........NORTHWEST 15 TO 21 MPH.

TIME (CDT)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM
SKY (%).........0   0   0   0   0   0   0   0   0   0   0   0
WEATHER COV.....
WEATHER TYPE....
TEMP............55  59  61  64  65  65  66  65  63  61  57  55
RH..............56  48  44  39  36  35  35  37  41  46  57  67
EYE LVL WND DIR.NW  NW  NW  NW  NW  NW  NW  W   W   W   W   W
EYE LVL WND SPD.5   5   5   5   5   5   5   5   4   4   3   2
EYE LVL WND GST.10  10  10  10  10  10  10  10  5   5   5   5
MIX HGT (KFT)...4.6 5.4 5.8 6.0 6.1 6.1 5.9 5.9 5.7 5.1 3.6 1.7
MIX HGT (KM)....1.4 1.6 1.8 1.8 1.9 1.9 1.8 1.8 1.7 1.6 1.1 0.5
TRANSP WIND DIR.N   N   N   N   N   N   N   NW  NW  NW  NW  N
TRANSP WIND SPD.17  16  16  15  15  15  15  15  15  15  14  13
TRANS SPD (M/S).8   7   7   7   7   7   7   7   7   7   6   6
HAINES INDEX....4   5   5   5   5   5   5   4   4   4   4   4

.TONIGHT...

SKY/WEATHER.........CLEAR (0-5 PERCENT).
MIN TEMPERATURE.....AROUND 45.
MAX HUMIDITY........92 PERCENT.
WIND (EYE LEVEL)....WEST WINDS AROUND 5 MPH EARLY IN THE EVENING
                    BECOMING LIGHT.
HAINES INDEX........4 TO 5 OR OR LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH TO OR MODERATE POTENTIAL
                    FOR LARGE PLUME DOMINATED FIRE GROWTH.
MIXING HEIGHT.......3600-5100 FT AGL DECREASING TO 200-1700 FT AGL
                    EARLY IN THE EVENING.
MIXING WINDS........SOUTHWEST 6 TO 15 MPH.

.TUESDAY...

SKY/WEATHER.........SUNNY (0-5 PERCENT).
MAX TEMPERATURE.....AROUND 72.
MIN HUMIDITY........39 PERCENT.
WIND (EYE LEVEL)....LIGHT WINDS BECOMING SOUTHWEST 5 TO 8 MPH IN
                    THE LATE MORNING AND AFTERNOON.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......200-1300 FT AGL INCREASING TO 2700-4000 FT AGL
                    EARLY IN THE MORNING...THEN INCREASING TO
                    4300-5400 FT AGL IN THE LATE MORNING AND
                    AFTERNOON DECREASING TO 3300 FT AGL LATE IN THE
                    AFTERNOON.
MIXING WINDS........SOUTHWEST 6 TO 15 MPH INCREASING TO AROUND 16
                    MPH LATE IN THE AFTERNOON.

$$
FORECASTER...TRARES/SHAMBURGER
REQUESTED BY...MATT JOHNSON
TYPE OF REQUEST...PRESCRIBED
.TAG 20100329.LACAS.01/LCH