Suppression Forecast
Issued by NWS Lake Charles, LA

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000
FNUS74 KLCH 201810 AAA
FWSLCH

Spot Forecast for C-57...UPDATED
National Weather Service Lake Charles LA
1210 PM CST Tue Feb 20 2018

Forecast is based on ignition time of 1000 CST on February 20.
If conditions become unrepresentative...contact the National Weather
Service.

Please contact our office at (337) 477-5285, if you have questions
or concerns with this forecast.

...WIND ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING...

.DISCUSSION...A tight pressure gradient between a low over the Southern
Plains and a high over the western Atlantic will create breezy and
gusty south winds for the remainder of the afternoon. Also...as a
front approaches the region, scattered mainly light showers will form
this afternoon. There is a slight chance for thunderstorms, although
the better chance for storms with lightning will to your west.

.REST OF TODAY...

Sky/weather.........Mostly cloudy (75-85 percent). Slight chance of
                    showers.
Max temperature.....Around 82.
Min humidity........58 percent.
Eye level winds.....South winds around 10 mph. Gusts up to 20 mph.
Wind (20 ft)........South winds 13 to 17 mph. Gusts up to 30 mph
                    late in the morning.
Mixing height.......3500-5400 ft AGL decreasing to 1900 ft AGL late
                    in the afternoon.
Transport winds.....South 20 to 28 mph decreasing to around 12 mph
                    late in the afternoon.

TIME (CST)      12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........73  76  80  83  80  78
Weather cov.....SCH SCH SCH SCH SCH SCH
Weather type....RW  RW  RW  RW  RW  RW
Tstm cov........
Temp............80  82  82  81  80  77
RH..............62  58  58  60  62  71
20 FT wind dir..S   S   S   S   S   S
20 FT wind spd..16  17  16  16  15  13
20 FT wind gust.25  30  25  25  25  25
Eye lvl wnd dir.S   S   S   S   S   S
Eye lvl wnd spd.10  10  10  9   8   8
Eye lvl wnd gst.20  20  20  20  20  20
Mix hgt (kft)...5.4 5.3 5.2 5.1 3.5 1.9
Transp wind dir.S   S   S   S   S   S
Transp wind spd.28  28  28  25  20  12

.TONIGHT...

Sky/weather.........Mostly cloudy (75-85 percent). Chance of
                    showers and slight chance of thunderstorms.
Min temperature.....Around 67.
Max humidity........100 percent.
Eye level winds.....South winds around 5 mph.
Wind (20 ft)........South winds 5 to 12 mph.
Mixing height.......300-600 ft AGL.
Transport winds.....South 7 to 15 mph.

TIME (CST)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........75     79     81     80     76     83
Weather cov.....CHANCE CHANCE CHANCE CHANCE CHANCE CHANCE
Weather type....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
Tstm cov........S CHC  S CHC  S CHC  S CHC  S CHC  S CHC
Temp............75     72     69     67     67     68
RH..............76     87     97     100    100    100
20 ft wind......S 12   S 9    S 8    S 7    S 6    S 6
20 ft wind gust.20     15     15     10     10     10
Eye level wind..S 7    S 5    S 4    S 4    S 4    S 4
Eye lvl wnd gst.20     10     10     10     10     10
Mix hgt (ft)....300    400    500    600    500    500
Transport wind..S 7    S 10   S 15   S 14   S 10   S 8

.WEDNESDAY...

Sky/weather.........Cloudy (90-100 percent). Showers and
                    thunderstorms.
Max temperature.....Around 77.
Min humidity........74 percent.
Eye level winds.....South winds around 5 mph.
Wind (20 ft)........South winds 5 to 8 mph. Gusty and erratic winds
                    expected near thunderstorms.
Mixing height.......400-1300 ft AGL.
Transport winds.....South 8 to 17 mph.

TIME (CST)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........90  91  92  92  93  93  94  94  95  95  96  96
Weather cov.....DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF
Weather type....RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW
Tstm cov........DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF
Temp............67  67  67  68  70  74  76  77  77  76  76  75
RH..............100 100 100 100 93  82  76  74  74  76  76  79
20 FT wind dir..S   S   S   S   S   S   S   S   S   S   S   S
20 FT wind spd..5   5   5   6   7   7   8   8   8   8   8   7
20 FT wind gust.10  10  10  10  10  10  15  15  15  15  15  10
Eye lvl wnd dir.S   S   S   S   S   S   S   S   S   S   S   S
Eye lvl wnd spd.3   3   3   4   4   4   4   4   4   4   4   4
Eye lvl wnd gst.10  10  10  10  10  10  10  10  10  10  10  10
Mix hgt (kft)...0.4 0.7 1.0 1.3 1.1 0.9 0.7 0.8 0.9 1.0 0.8 0.5
Transp wind dir.SE  S   S   S   S   S   S   S   S   S   S   S
Transp wind spd.8   12  15  17  16  15  13  13  13  13  12  9

$$
Forecaster...RUA
Requested by...Charles Meyer
Type of request...PRESCRIBED
.TAG 1802163.0/LCH
.EMAIL Charlesmeyer@fs.fed.us



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