Suppression Forecast
Issued by NWS Chicago, IL

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000
FNUS73 KLOT 191401
FWSLOT

Spot Forecast for Good Fellow Restoration Piles #4...National Park Service
National Weather Service Chicago IL
901 AM CDT Thu Apr 19 2018

Forecast is based on ignition time of 1000 CDT on April 19.
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...
Temperatures will remain well below normal today. Otherwise, expect a northerly
wind to persist across the area as high pressure builds into the Upper Midwest
through the day.

.REST OF TODAY...

Sky/weather.........Mostly sunny.
Temperature.........38 at ignition...Max 40.
RH..................70 percent at ignition...Min 57 percent.
Wind (20 ft)........Winds north at 15 mph at ignition...otherwise
                    North winds 12 to 15 mph.
Chance of pcpn......0 percent.
LAL.................No Tstms.
Mixing height.......2000 ft AGL at ignition...otherwise 600-2100 ft
                    AGL.
Transport winds.....North 16 to 23 mph.
MIXING TEMP 1700FT..43.
Smoke dispersal.....Good /39800 knot-ft/ at ignition. Max...good
                    /40200 knot-ft/.

TIME (CDT)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM
SKY (%).........24  21  18  15  13  12  11  10  8
WEATHER COV.....
WEATHER TYPE....
TEMP............38  39  40  40  40  40  40  39  39
RH..............70  64  62  59  59  57  57  59  57
20 FT WIND DIR..N   N   N   N   N   N   N   N   N
20 FT WIND SPD..15  15  14  14  14  14  14  13  11
20 FT WIND GUST.25  25  25  25  25  25  25  20  15
MIX HGT (KFT)...2.0 2.0 2.1 2.1 1.8 1.6 1.3 1.0 0.6
TRANSP WIND DIR.350 350 340 340 340 340 340 340 340
TRANSP WIND SPD.23  23  22  21  22  22  22  20  16
CHC OF PCPN (%).0   0   0   0   0   0   0   0   0
LAL.............1   1   1   1   1   1   1   1   1
VRATE KT-FT/100040  40  40  39  35  31  25  16  9

.TONIGHT...

Sky/weather.........Clear.
Temperature.........Min 31.
RH..................Max 92 percent.
Wind (20 ft)........North winds 5 to 9 mph.
Chance of pcpn......0 percent.
LAL.................No Tstms.
Mixing height.......100-300 ft AGL.
Transport winds.....North 6 to 13 mph.
MIXING TEMP 1700FT..N/A.
Smoke dispersal.....Poor (500 knot-ft).

TIME (CDT)      7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM 6AM
SKY (%).........7   7   6   6   10  13  17  18  19  20  19  19
WEATHER COV.....
WEATHER TYPE....
TEMP............38  37  36  35  35  35  35  34  34  33  32  31
RH..............59  61  64  69  72  75  78  82  78  82  85  92
20 FT WIND DIR..N   NW  NW  NW  NW  NW  NW  N   N   N   N   N
20 FT WIND SPD..9   8   7   7   7   6   6   6   6   6   5   5
20 FT WIND GUST.15  10  10  10  10  10  10  10
MIX HGT (KFT)...0.3 0.2 0.2 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
TRANSP WIND DIR.340 340 330 320 330 330 330 340 350 350 350 350
TRANSP WIND SPD.13  10  10  9   8   8   8   7   7   7   6   6
CHC OF PCPN (%).0   0   0   0   0   0   0   0   0   0   0   0
LAL.............1   1   1   1   1   1   1   1   1   1   1   1
VRATE KT-FT/10003   2   1   1   1   1   1   1   1   1   1   1

.FRIDAY...

Sky/weather.........Sunny.
Temperature.........Max 48.
RH..................Min 44 percent.
Wind (20 ft)........Light winds becoming northeast 5 to 6 mph in
                    the late morning and afternoon.
Chance of pcpn......0 percent.
LAL.................No Tstms.
Mixing height.......100-1800 ft AGL.
Transport winds.....Northeast 3 to 8 mph.
MIXING TEMP 1700FT..51.
Smoke dispersal.....Poor (400 knot-ft).

TIME (CDT)      7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM
SKY (%).........18  15  10  8   7   7   6   6   5   5   6   9
WEATHER COV.....
WEATHER TYPE....
TEMP............32  35  40  44  46  47  47  48  48  47  46  44
RH..............88  78  67  57  53  51  49  46  44  45  47  53
20 FT WIND DIR..N   N   N   N   N   N   N   N   N   N   N   NE
20 FT WIND SPD..4   4   4   5   5   6   6   6   6   6   6   5
20 FT WIND GUST.5   5   5
MIX HGT (KFT)...0.1 0.4 0.8 1.1 1.4 1.6 1.8 1.6 1.3 1.1 0.8 0.5
TRANSP WIND DIR.350 000 020 030 030 020 010 010 020 020 020 030
TRANSP WIND SPD.5   3   3   3   5   6   7   7   8   8   8   7
CHC OF PCPN (%).0   0   0   0   0   0   0   0   0   0   0   0
LAL.............1   1   1   1   1   1   1   1   1   1   1   1
VRATE KT-FT/10000   2   2   3   5   7   10  10  10  8   6   3

$$
Forecaster...BIRK
Requested by...Michael Grismer
Type of request...PRESCRIBED
.TAG 1807060.0/LOT


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