Suppression Forecast
Issued by NWS Lake Charles, LA

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000
FNUS74 KLCH 201053
FWSLCH

Spot Forecast for Compartment 121...USFS
National Weather Service Lake Charles LA
553 AM CDT Fri Apr 20 2018

Forecast is based on ignition time of 1000 CDT on April 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.

.DISCUSSION...

Cooler and drier air will continue today. Increasing chances of
showers and thunderstorms are expected for Saturday with the
approach and passage of an upper level and surface low over the
area.

.REST OF TODAY...

Sky/weather.........Sunny (20-30 percent).
Max temperature.....Around 70.
Min humidity........40 percent.
Eye level winds.....East winds 5 to 6 mph.
Wind (20 ft)........East winds 5 to 6 mph.
Mixing height.......2700-3600 ft AGL.
Transport winds m/s.East 3 to 6 meters/second.

TIME (CDT)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........10  14  19  23  28  32  37  36
Weather cov.....
Weather type....
Tstm cov........
Temp............55  58  62  65  66  67  68  67
RH..............57  51  44  41  40  40  40  42
20 FT wind dir..NE  NE  E   E   E   E   E   E
20 FT wind spd..6   6   5   5   5   5   5   5
20 FT wind gust.7   7   6   6   6   6   6   6
Eye lvl wnd dir.NE  NE  E   E   E   E   E   E
Eye lvl wnd spd.4   4   4   4   4   4   4   4
Eye lvl wnd gst.5   5   5   5   5   5   5   5
Mix hgt (kft)...2.7 2.9 3.2 3.5 3.5 3.5 3.6 3.4
Trans wind dir..E   E   E   E   E   E   E   E
Trans spd (m/s).6   5   4   4   3   3   3   4

.TONIGHT...

Sky/weather.........Partly cloudy (35-45 percent) then becoming
                    mostly cloudy (50-60 percent).
Min temperature.....Around 53.
Max humidity........93 percent.
Eye level winds.....East winds around 5 mph until early morning
                    becoming light.
Wind (20 ft)........East winds around 5 mph until early morning
                    becoming light.
Mixing height.......1700-3300 ft AGL decreasing to 400-1000 ft AGL
                    in the late evening and overnight.
Transport winds m/s.Southeast 3 to 6 meters/second.

TIME (CDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........36  35  34  34  33  36  40  43  47  51  55  56
Weather cov.....
Weather type....
Tstm cov........
Temp............67  66  63  60  58  57  56  56  55  54  53  54
RH..............42  43  52  62  75  77  80  80  83  86  93  90
20 FT wind dir..E   E   E   E   E   E   E   E   E   E   E   E
20 FT wind spd..5   5   5   5   5   5   5   5   5   5   3   3
20 FT wind gust.6   6   6   6   6   6   6   6   6   6   6   6
Eye lvl wnd dir.E   E   E   E   E   E   E   E   E   E   E   E
Eye lvl wnd spd.4   4   4   4   4   4   4   4   4   4   3   3
Eye lvl wnd gst.5   5   5   5   5   5   5   5   5   5   4   4
Mix hgt (kft)...3.3 3.1 2.4 1.7 1.0 0.8 0.6 0.4 0.4 0.5 0.5 0.5
Trans wind dir..E   E   E   E   E   E   E   E   E   SE  SE  SE
Trans spd (m/s).5   6   5   4   3   3   3   3   4   4   4   4

.SATURDAY...

Sky/weather.........Partly sunny (65-75 percent) then becoming
                    cloudy (85-95 percent). Chance of showers and
                    thunderstorms in the afternoon.
Max temperature.....Around 74.
Min humidity........53 percent.
Eye level winds.....Light winds becoming southeast 5 to 6 mph in
                    the late morning and afternoon.
Wind (20 ft)........Light winds becoming southeast 5 to 6 mph in
                    the late morning and afternoon. Gusty and
                    erratic winds expected near thunderstorms in
                    the afternoon.
Mixing height.......500-2400 ft AGL increasing to 3000-3600 ft AGL
                    late in the afternoon.
Transport winds m/s.South 4 to 7 meters/second.

TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........58  59  57  55  53  58  63  68  75  82  89  90
Weather cov.....                            CHC CHC CHC CHC CHC
Weather type....                            RW  RW  RW  RW  RW
Tstm cov........                            CHC CHC CHC CHC CHC
Temp............54  54  57  60  64  67  69  72  72  72  72  72
RH..............90  90  80  75  65  61  57  53  55  57  61  64
20 FT wind dir..E   E   E   E   E   SE  SE  SE  SE  SE  SE  SE
20 FT wind spd..3   3   3   5   5   5   6   6   6   6   6   6
20 FT wind gust.6   6   6   6   6   6   7   7   7   7   7   7
Eye lvl wnd dir.E   E   E   E   E   SE  SE  SE  SE  SE  SE  SE
Eye lvl wnd spd.3   3   3   4   4   4   4   4   4   4   4   4
Eye lvl wnd gst.4   4   4   5   5   5   5   5   5   5   5   5
Mix hgt (kft)...0.5 0.5 0.7 0.8 0.9 1.2 1.5 1.8 2.4 3.0 3.6 3.3
Trans wind dir..SE  E   E   E   E   SE  SE  S   S   S   S   S
Trans spd (m/s).4   4   4   4   4   4   4   4   5   6   6   7

$$
Forecaster...HUMPHREY
Requested by...Eric Stuart
Type of request...PRESCRIBED
.TAG 1807140.1/LCH
.DELDT 04/20/18
.EMAIL ericstuart@fs.fed.us



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