Suppression Forecast
Issued by NWS Chicago, IL

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FNUS73 KLOT 251311
FWSLOT

Spot Forecast for Camp Good Fellow Piles...NPS
National Weather Service Chicago IL
811 AM CDT Tue Apr 25 2017

Forecast is based on ignition time of 0900 CDT on April 25.
If conditions become unrepresentative...contact the National Weather
Service.

Please contact our office at (815) 834-0666, if you have questions
or concerns with this forecast.

.DISCUSSION...
Mild and dry conditions will continue today with southeast winds
and some lake cooling mainly in Illinois. Minimum RH values will be
a bit higher today, but still look to fall into the mid 30s. Shower
and thunderstorm chances return late tonight into early Wednesday,
with a better chance later in the afternoon and evening. Some of the
storms could be severe with heavy rain and damaging winds.

.REST OF TODAY...

Sky/weather.........Partly cloudy.
Temperature.........62 at ignition...Max 75.
RH..................61 percent at ignition...Min 35 percent.
Wind (20 ft)........Winds south at 11 mph at ignition...otherwise
                    Southeast winds 10 to 12 mph.
Chance of pcpn......0 percent.
Mixing height.......1000 ft AGL at ignition...otherwise 1000-2800
                    ft AGL increasing to 2400-3600 ft AGL late in
                    the afternoon, then decreasing to 1300 ft AGL
                    late in the afternoon.
Transport winds.....Southeast 14 to 21 mph.
MIXING TEMP 1700FT..70.
Smoke dispersal.....Fair /17900 knot-ft/ at ignition. Max...good
                    /50600 knot-ft/.

TIME (CDT)      9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM
SKY (%).........53  52  48  43  38  43  49  54  56  59
WEATHER COV.....
WEATHER TYPE....
TEMP............62  64  66  68  70  72  74  75  74  72
RH..............61  53  47  43  42  39  35  37  37  39
20 FT WIND DIR..S   S   S   S   S   S   S   SE  SE  SE
20 FT WIND SPD..11  11  11  11  11  11  11  11  11  10
20 FT WIND GUST.20  20  20  20  20  20  20  20  20  20
MIX HGT (KFT)...1.0 1.4 1.4 1.4 1.4 2.1 2.8 3.6 2.4 1.3
TRANSP WIND DIR.160 160 170 170 170 170 160 160 160 150
TRANSP WIND SPD.21  21  18  16  14  15  16  16  15  14
CHC OF PCPN (%).0   0   0   0   0   0   0   0   0   0
VRATE KT-FT/100018  25  23  20  17  27  38  51  32  15

.TONIGHT...

Sky/weather.........Partly cloudy then becoming mostly cloudy.
Temperature.........Min 56.
RH..................Max 86 percent.
Wind (20 ft)........South winds 9 to 12 mph.
Chance of pcpn......10 percent.
Mixing height.......100 ft AGL.
Transport winds.....South 12 to 16 mph.
MIXING TEMP 1700FT..N/A.
Smoke dispersal.....Poor (1000 knot-ft).

TIME (CDT)      7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM 6AM
SKY (%).........61  63  68  70  70  69  69  69  69  70  73  81
WEATHER COV.....
WEATHER TYPE....
TEMP............69  66  63  61  59  58  58  58  58  58  57  56
RH..............42  54  62  67  72  75  77  77  80  80  83  86
20 FT WIND DIR..SE  SE  SE  SE  SE  S   S   S   S   S   S   S
20 FT WIND SPD..10  10  9   9   9   9   9   9   10  10  10  11
20 FT WIND GUST.20  20  20  20  20  20  20  20  20  20  20  20
MIX HGT (KFT)...0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
TRANSP WIND DIR.140 140 140 140 150 160 160 160 160 160 160 160
TRANSP WIND SPD.13  12  12  12  12  12  13  14  15  16  16  16
CHC OF PCPN (%).0   0   0   0   0   0   10  10  10  10  10  10
VRATE KT-FT/10001   1   1   1   1   1   1   1   1   1   1   1

.WEDNESDAY...

Sky/weather.........Mostly cloudy. Slight chance of showers and
                    thunderstorms, then chance of showers and
                    thunderstorms late in the afternoon.
Temperature.........Max 75.
RH..................Min 51 percent.
Wind (20 ft)........South winds 12 to 13 mph with gusts to around
                    25 mph. Gusty and erratic winds expected near
                    thunderstorms.
Chance of pcpn......20 percent.
Mixing height.......100-1000 ft AGL.
Transport winds.....South 17 to 23 mph.
MIXING TEMP 1700FT..75.
Smoke dispersal.....Poor to fair (1500-21000 knot-ft).

TIME (CDT)      7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM
SKY (%).........77  75  70  68  69  71  72  74  78  80  82  87
WEATHER COV.....SCH SCH SCH SCH SCH SCH SCH SCH SCH SCH SCH CHC
WEATHER TYPE....RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW
TEMP............57  61  65  69  70  71  71  73  74  75  74  71
RH..............86  75  68  61  59  59  59  55  53  52  51  57
20 FT WIND DIR..S   S   S   S   S   S   S   S   S   S   S   S
20 FT WIND SPD..11  12  13  13  13  13  13  13  13  13  13  12
20 FT WIND GUST.20  25  25  25  25  25  25  25  25  25  25  25
MIX HGT (KFT)...0.1 0.4 0.7 1.0 0.8 0.6 0.4 0.6 0.8 1.0 0.7 0.4
TRANSP WIND DIR.160 170 170 170 180 180 190 190 190 200 190 180
TRANSP WIND SPD.17  20  22  23  23  22  20  18  18  17  17  18
CHC OF PCPN (%).20  20  20  20  20  20  20  20  20  20  20  20
VRATE KT-FT/10002   7   14  21  17  12  7   10  12  15  10  6

$$
Forecaster...KREIN
Requested by...Jim Whitenack
Type of request...PRESCRIBED
.TAG 1707738.0/LOT



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