FNUS74 KLCH 061044
FWSLCH

SPOT FORECAST FOR LAWTELL DERAILMENT...NWS LCH
NATIONAL WEATHER SERVICE LAKE CHARLES LA
544 AM CDT TUE AUG 6 2013

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

.DISCUSSION...
HIGH PRESSURE AT THE SURFACE AND ALOFT WILL KEEP THE REGION
HOT AND HUMID FOR THE NEXT SEVERAL DAYS. AFTERNOON HEAT INDEX
READINGS WILL BE BETWEEN 100 AND 105 DEGREES. SOME VERY LIGHT
SHALLOW GROUND FOG WILL ALSO BE POSSIBLE DURING THE LATE NIGHT
AND EARLY MORNING HOURS.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).
MAX TEMPERATURE.....AROUND 97.
MIN HUMIDITY........48 PERCENT.
EYE LEVEL WINDS.....SOUTHWEST WINDS 5 TO 7 MPH.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......300-1400 FT AGL INCREASING TO 4700-6100 FT AGL.
MIXING WINDS........SOUTHWEST 8 TO 14 MPH.

TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........22  23  25  27  29  31  34  36  35  34  33  32
WEATHER COV.....
WEATHER TYPE....
TEMP............77  77  81  85  89  91  93  95  96  96  95  94
RH..............93  93  86  74  68  61  55  51  50  48  49  50
EYE LVL WND DIR.SW  SW  SW  W   W   W   W   W   W   SW  SW  SW
EYE LVL WND SPD.4   4   4   5   5   5   5   5   5   5   5   5
EYE LVL WND GST.5   5   5   10  10  10  10  10  10  10  10  10
MIX HGT (KFT)...0.3 0.3 1.4 2.5 3.6 4.2 4.7 5.3 5.5 5.8 6.1 5.9
MIX HGT (KM)....0.1 0.1 0.4 0.8 1.1 1.3 1.4 1.6 1.7 1.8 1.9 1.8
TRANSP WIND DIR.SW  SW  SW  W   W   W   W   W   W   W   SW  SW
TRANSP WIND SPD.14  14  13  12  10  9   9   8   8   8   8   8
TRANS SPD (M/S).6   6   6   5   4   4   4   4   4   4   4   4
HAINES INDEX....2   2   2   2   2   2   2   2   2   2   2   2

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT).
MIN TEMPERATURE.....AROUND 75.
MAX HUMIDITY........96 PERCENT.
EYE LEVEL WINDS.....SOUTHWEST WINDS 5 TO 8 MPH UNTIL EARLY MORNING
                    BECOMING LIGHT.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......3800-5700 FT AGL DECREASING TO 200-2100 FT AGL
                    IN THE LATE EVENING AND OVERNIGHT.
MIXING WINDS........SOUTHWEST 9 TO 15 MPH.

.WEDNESDAY...

SKY/WEATHER.........SUNNY (10-20 PERCENT).
MAX TEMPERATURE.....AROUND 97.
MIN HUMIDITY........48 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTHWEST 5 TO 8 MPH LATE
                    IN THE MORNING.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......300-1800 FT AGL INCREASING TO 5500-6300 FT AGL.
MIXING WINDS........SOUTHWEST 6 TO 12 MPH.

$$

FORECASTER...CARBONI
REQUESTED BY...ROGER ERICKSON
TYPE OF REQUEST...HAZMAT
.TAG 20130804.LAWTE.01/LCH