FNUS74 KLCH 201330
FWSLCH

SPOT FORECAST FOR TISON...USFWS
NATIONAL WEATHER SERVICE LAKE CHARLES LA
830 AM CDT FRI MAY 20 2011

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

...WIND ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING...

.DISCUSSION...
A TIGHT PRESSURE GRADIENT WILL PERSIST THROUGH TODAY...PROVIDING FOR
CONTINUED STRONG SOUTHERLY WINDS INTO THIS EVENING. THERE WILL BE A
SMALL CHANCE FOR SHOWERS AND THUNDERSTORMS THIS AFTERNOON AND EVENING
AS A WARM MOIST AND UNSTABLE AIRMASS COMBINES WITH A PASSING
DISTURBANCE ALOFT...WITH ERRATIC AND GUSTY WINDS AND OCCASIONAL
LIGHTNING ACCOMPANYING ANY STORMS WHICH DEVELOP.

.REST OF TODAY...

SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). CHANCE OF
                    SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 83.
MIN HUMIDITY........77 PERCENT.
EYE LEVEL WINDS.....SOUTHEAST WINDS 16 TO 18 MPH BECOMING MORE
                    SOUTH-SOUTHEAST NEAR 20 MPH AFTER NOON.
HAINES INDEX........4-LOW.
MIXING HEIGHT.......2000-3700 FT AGL.
MIXING WINDS........SOUTH 26 TO 30 MPH.
WIND (20 FT)........SOUTHEAST WINDS 16 TO 18 MPH BECOMING MORE
                    SOUTH-SOUTHEAST NEAR 20 MPH AFTER NOON.
                    GUSTY AND ERRATIC WINDS EXPECTED NEAR
                    THUNDERSTORMS IN THE AFTERNOON.

TIME (CDT)      9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM
SKY (%).........74  75  75  75  75  74  74  73  72  72  71  70
WEATHER COV.....                CHC CHC CHC CHC CHC CHC SCH SCH
WEATHER TYPE....                TSM TSM TSM TSM TSM TSM TSM TSM
TEMP............79  80  81  81  82  82  83  83  82  82  81  79
RH..............88  85  82  82  79  79  77  77  77  77  79  85
20 FT WIND DIR..SE  SE  SE  SE  SE  SE  SE  SE  SE  SE  SE  SE
20 FT WIND SPD..14  14  14  14  14  14  14  14  14  14  13  12
20 FT WIND GUST.25  25  25  25  25  25  25  25  25  25  25  25
EYE LVL WND DIR.SE  SE  SE  SE  SE  SE  SE  SE  SE  SE  SE  SE
EYE LVL WND SPD.14  14  14  14  14  14  14  14  14  14  13  12
EYE LVL WND GST.25  25  25  25  25  25  25  25  25  25  25  25
MIX HGT (KFT)...2.0 2.3 2.7 3.2 3.7 3.3 2.9 2.5 2.5 2.6 2.7 2.2
MIX HGT (KM)....0.6 0.7 0.8 1.0 1.1 1.0 0.9 0.8 0.8 0.8 0.8 0.7
TRANSP WIND DIR.SE  SE  S   S   S   S   S   S   S   S   S   S
TRANSP WIND SPD.30  29  29  28  28  28  28  26  26  26  26  26
TRANS SPD (M/S).13  13  13  13  13  13  13  12  12  12  12  12
HAINES INDEX....4   4   4   4   4   4   4   4   4   4   4   4

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT). SLIGHT CHANCE OF
                    SHOWERS AND THUNDERSTORMS IN THE EVENING.
MIN TEMPERATURE.....AROUND 75.
MAX HUMIDITY........92 PERCENT.
EYE LEVEL WINDS.....SOUTH WINDS 12 TO 15 MPH.
HAINES INDEX........4-LOW.
MIXING HEIGHT.......900-2700 FT AGL.
MIXING WINDS........SOUTH 22 TO 26 MPH.
WIND (20 FT)........SOUTH WINDS 12 TO 15 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS IN THE
                    EVENING.

.SATURDAY...

SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT).
MAX TEMPERATURE.....AROUND 83.
MIN HUMIDITY........76 PERCENT.
EYE LEVEL WINDS.....SOUTH WINDS 12 TO 14 MPH.
HAINES INDEX........4-LOW.
MIXING HEIGHT.......1500-3100 FT AGL.
MIXING WINDS........SOUTH 20 TO 23 MPH.
WIND (20 FT)........SOUTH WINDS 12 TO 14 MPH.

$$
FORECASTER...ESCUDE
REQUESTED BY...GATOR SMITH
TYPE OF REQUEST...WILDFIRE
.TAG 20110520.TISON.01/LCH