FNUS74 KLCH 181312
FWSLCH

SPOT FORECAST FOR VERNON P  BURN...USFS
NATIONAL WEATHER SERVICE LAKE CHARLES LA
712 AM CST THU NOV 18 2010

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

.DISCUSSION...

NORTH WINDS ARE EXPECTED TODAY BEHIND A COLD FRONT THAT PUSHED
ACROSS THE AREA EARLIER THIS MORNING. HIGH PRESSURE WILL SETTLE
OVER THE AREA ON FRIDAY THEN MOVE EASTWARD...ALLOWING FOR A
LENGTHY PERIOD OF SOUTHEAST WINDS FROM THE GULF OVER THE WEEKEND
AND INTO THE MIDDLE OF NEXT WEEK. LOW LEVEL MOISTURE WILL
GRADUALLY INCREASE THROUGH THIS PERIOD WITH DEWPOINTS IN THE 60S
BY NEXT WEEK. ALTHOUGH UNCERTAINTY REMAINS ON EXACT TIMING...A
STRONG COLD FRONT IS LIKELY TO PUSH SOUTHWARD ACROSS THE REGION
AROUND THANKSGIVING.


.TODAY...

SKY/WEATHER.........SUNNY (0-10 PERCENT).
MAX TEMPERATURE.....AROUND 61.
MIN HUMIDITY........62 PERCENT.
EYE LEVEL WINDS.....NORTH WINDS 6 TO 8 MPH.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......1400-3300 FT AGL INCREASING TO 3400-3700 FT AGL
                    IN THE AFTERNOON.
MIXING WINDS........NORTH 15 TO 24 MPH DECREASING TO 14 TO 18 MPH
                    IN THE AFTERNOON.

TIME (CST)      8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM
SKY (%).........5   6   8   10  11  9   9   9   10  11  12  12
WEATHER COV.....
WEATHER TYPE....
TEMP............49  52  55  57  59  60  60  60  58  55  51  49
RH..............78  74  70  67  65  63  62  62  66  78  89  96
EYE LVL WND DIR.NW  N   N   N   N   N   N   N   N   N   N   N
EYE LVL WND SPD.6   6   6   6   6   5   5   5   5   4   4   3
EYE LVL WND GST.10  10  10  10  10  10  10  10  10  5   5   5
MIX HGT (KFT)...1.7 2.0 2.4 2.9 3.3 3.6 3.7 3.7 3.6 3.4 3.0 2.4
MIX HGT (KM)....0.5 0.6 0.7 0.9 1.0 1.1 1.1 1.1 1.1 1.0 0.9 0.7
TRANSP WIND DIR.N   N   N   N   N   N   N   N   N   N   N   N
TRANSP WIND SPD.20  17  16  15  14  15  15  16  17  18  20  20
TRANS SPD (M/S).9   8   7   7   6   7   7   7   8   8   9   9
HAINES INDEX....4   4   4   4   4   4   4   4   4   4   4   4

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).
MIN TEMPERATURE.....AROUND 41.
MAX HUMIDITY........100 PERCENT.
EYE LEVEL WINDS.....NORTHEAST WINDS 5 TO 6 MPH IN THE EVENING
                    BECOMING LIGHT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......1300-3000 FT AGL DECREASING TO 500-900 FT AGL
                    IN THE LATE EVENING AND OVERNIGHT.
MIXING WINDS........EAST 12 TO 20 MPH.

.FRIDAY...

SKY/WEATHER.........SUNNY (5-15 PERCENT).
MAX TEMPERATURE.....AROUND 65.
MIN HUMIDITY........59 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS.
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.......500-2100 FT AGL INCREASING TO 3100-4400 FT AGL
                    LATE IN THE MORNING.
MIXING WINDS........SOUTHEAST 6 TO 10 MPH.

$$
FORECASTER...TRARES/SHAMBURGER
REQUESTED BY...DAN MCDONALD
TYPE OF REQUEST...PRESCRIBED
.TAG 20101118.VERNO.01/LCH