Suppression Forecast
Issued by NWS Bismarck, ND

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FNUS73 KBIS 211329
FWSBIS

Spot Forecast for S 30-3...The Nature Conservancy
National Weather Service Bismarck ND
829 AM CDT Fri Apr 21 2017

Forecast is based on ignition time of 1200 CDT on April 21.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...

Dense fog this morning will burn off between 10 and 11 am CDT.
Thereafter, mostly sunny skies are expected with a high temperature
in the lower 60s. Southerly winds of 8 to 12 mph are forecast.
Relative humidity will fall to around 35 to 40 percent this afternoon
after a damp morning from fog.

.REST OF TODAY...

Sky/weather.........Foggy in the morning becoming mostly sunny.
Chance of pcpn......0 percent.
LAL.................1.
Max temperature.....Around 63.
Min humidity........38 percent.
Wind (20 ft)........South winds 8 to 12 mph.
Mixing height.......3400-4700 ft AGL.
Transport winds.....South 10 to 15 mph.
Smoke dispersal.....Fair to good (17100-42600 knot-ft).
Haines Index........3 to 4 (very low) to (low).

TIME (CDT)      12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........41  28  28  23  19  18
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0
LAL.............1   1   1   1   1   1
Temp............51  55  60  61  62  63
RH..............66  57  48  45  42  40
20 FT wind dir..S   S   S   S   S   S
20 FT wind spd..8   10  12  11  10   8
20 FT wind gust.10  15  15  15  15  15
Mix hgt (kft)...3.4 3.9 4.4 4.6 4.7 4.6
Transp wind dir.S   S   S   S   S   S
Transp wind spd.10  12  15  15  12  10
Haines index....4   4   3   3   3   3
SDspl kt-ft/100017  24  35  36  43  41

.TONIGHT...

Sky/weather.........Mostly clear.
Chance of pcpn......0 percent.
LAL.................1.
Min temperature.....Around 39.
Max humidity........87 percent.
Wind (20 ft)........Southwest winds 5 to 8 mph.
Mixing height.......2900-4400 ft AGL decreasing to 100-1600 ft AGL
                    in the late evening and overnight.
Transport winds.....Southwest 5 to 10 mph.
Smoke dispersal.....Poor to good (700-39400 knot-ft).

TIME (CDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........18  17  19  24  26  24  22  22  24  27  29  31
Weather cov.....
Weather type....
Tstm cov........
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
Temp............63  61  58  54  50  48  46  45  44  43  42  40
RH..............38  40  47  54  62  69  73  73  76  79  83  85
20 FT wind dir..S   S   S   S   S   S   S   S   S   SW  SW  SW
20 FT wind spd..8   7   7   6   6   6   6   6   6   6   6   6
20 FT wind gust.15  10  10  10  10  10  10  10  10  10  10  10
Mix hgt (kft)...4.4 4.2 2.9 1.6 0.3 0.2 0.2 0.2 0.2 0.2 0.1 0.1
Transp wind dir.S   S   S   S   S   S   S   S   S   S   SW  SW
Transp wind spd.10  10  10  10  5   5   5   6   6   6   6   6
Haines index....3   3   3   3   3   3   3   3   3   3   3   3
SDspl kt-ft/100039  38  26  14  1   1   1   1   1   1   1   1

.SATURDAY...

Sky/weather.........Partly sunny. Slight chance of rain in the
                    afternoon.
Chance of pcpn......20 percent.
LAL.................1.
Max temperature.....Around 57.
Min humidity........51 percent.
Wind (20 ft)........West winds 5 to 7 mph shifting to the north 5
                    to 9 mph in the afternoon.
Mixing height.......100-1200 ft AGL increasing to 2600-4100 ft AGL
                    late in the morning, then increasing to
                    4400-5600 ft AGL early in the afternoon
                    decreasing to 1800-3100 ft AGL late in the
                    afternoon.
Transport winds.....West 6 to 12 mph shifting to the northeast
                    around 18 mph late in the afternoon.
Smoke dispersal.....Poor to good (600-39100 knot-ft).
Haines Index........3 to 4 (very low) to (low).

TIME (CDT)      6 AM      9 AM      NOON      3 PM
Sky (%).........32        39        53        68
Weather cov.....                              S CHC
Weather type....NONE      NONE      NONE      RAIN
Tstm cov........
Chc of pcpn (%).0         0         0         20
LAL.............1         1         1         1
Temp............39        46        56        57
RH..............87        73        53        51
20 FT wind......SW 6G10   SW 6      NW 7G10   N 9G10
Mix hgt (ft)....100       800       4100      3100
Transport wind..SW 6      SW 6      SW 12     W 8
Haines index....3         3         3         3
SDspl kt-ft/10001         8         30        34

$$
Forecaster...AYD
Requested by...Chris Gordon
Type of request...PRESCRIBED
.TAG 1707376.0/BIS
.EMAIL chris_gordon@tnc.org



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