Suppression Forecast
Issued by NWS Bismarck, ND

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FNUS73 KBIS 261347
FWSBIS

Spot Forecast for Bismarck Airport Rx...North Dakota Forest Service
National Weather Service Bismarck ND
847 AM CDT Thu Apr 26 2018

Forecast is based on ignition time of 0900 CDT on April 26.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...

Near critical fire weather conditions are possible today. Afternoon
relative humidity will fall into the low 20s. Sustained northwest
winds around 10 mph this morning will increase this afternoon to
around 20 mph with gusts to 30 mph possible.

.REST OF TODAY...

Sky/weather.........Sunny.
CWR.................0 percent.
Chance of pcpn......0 percent.
LAL.................1.
Max temperature.....Around 66.
Min humidity........21 percent.
Wind (20 ft)........Northwest winds 10 to 20 mph with gusts to
30 mph this afternoon.
Mixing height.......3200 ft AGL increasing to 7500-8600 ft AGL.
Transport winds.....Northwest 16 to 24 mph.
Smoke dispersal.....Good to excellent (45300-94000 knot-ft)
                    increasing to excellent (170100 knot-ft).
Haines Index........4 to 5 OR (low) to (moderate).

TIME (CDT)      9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........1   1   3   3   5   5   6   6   6
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0
Chc of pcpn (%).0   0   0   0   0   0   0   0   0
LAL.............1   1   1   1   1   1   1   1   1
Temp............47  52  55  59  62  64  65  66  66
RH..............54  44  37  30  26  24  22  21  21
20 FT wind dir..NW  NW  NW  NW  NW  NW  NW  NW  NW
20 FT wind spd..6   7   8   10  14  16  18  18  15
20 FT wind gust.9   10  11  13  14  24  26  24  20
Mix hgt (kft)...3.2 5.5 6.6 7.5 8.2 8.3 8.5 8.6 8.5
Transp wind dir.N   N   N   NW  NW  NW  NW  NW  NW
Transp wind spd.16  20  21  22  22  22  23  23  24
Haines index....4   4   4   4   4   4   5   5   5
SDspl kt-ft/100045  94  119 142 156 158 170 173 178

.TONIGHT...

Sky/weather.........Mostly clear.
CWR.................0 percent.
Chance of pcpn......0 percent.
Min temperature.....Around 39.
Max humidity........79 percent.
Wind (20 ft)........Northwest winds 5 to 15 mph.
Mixing height.......7700-8100 ft AGL decreasing to 600-2300 ft AGL.
Transport winds.....Northwest 20 to 25 mph.
Smoke dispersal.....Excellent (168900 knot-ft) decreasing to poor
                    to good (10000-39800 knot-ft).

TIME (CDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........7   6   4   5   5   4   6   12  11  11  10  9
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............65  64  62  58  55  52  50  48  46  45  43  41
RH..............22  27  31  37  43  48  52  58  63  65  67  73
20 FT wind dir..NW  NW  W   W   W   W   W   W   W   NW  NW  NW
20 FT wind spd..14  13  10  6   6   6   6   6   6   7   6   6
20 FT wind gust.17  15  13
Mix hgt (kft)...8.1 7.7 4.5 2.3 1.1 1.0 1.0 0.9 0.8 0.7 0.6 0.6
Transp wind dir.NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  N   N
Transp wind spd.25  25  23  20  20  21  23  24  23  22  20  20
Haines index....5   5   5   5   5   5   5   5   5   4   4   4
SDspl kt-ft/1000179 169 91  40  19  19  19  19  16  13  10  11

.FRIDAY...

Sky/weather.........Sunny.
CWR.................0 percent.
Chance of pcpn......0 percent.
Max temperature.....Around 62.
Min humidity........26 percent.
Wind (20 ft)........North winds 5 to 15 mph.
Mixing height.......500-1600 ft AGL increasing to 4800-5700 ft AGL.
Transport winds.....North 15 to 22 mph.
Smoke dispersal.....Poor to good (9300-50900 knot-ft) increasing to
                    excellent (69200 knot-ft) in the late morning
                    and afternoon.
Haines Index........3 to 4 OR (very low) to (low).

TIME (CDT)      6 AM      9 AM      NOON      3 PM
Sky (%).........7         7         8         5
Weather cov.....
Weather type....NONE      NONE      NONE      NONE
Tstm cov........
CWR.............0         0         0         0
Chc of pcpn (%).0         0         0         0
Temp............40        47        57        61
RH..............76        58        37        29
20 FT wind......NW 6      N 9G10    N 10G14   N 9G10
Mix hgt (ft)....700       2800      4500      5400
Transport wind..N 20      N 21      N 20      N 17
Haines index....4         3         3         3
SDspl kt-ft/100012        51        76        80

$$
Forecaster...JONES
Requested by...Ryan Melin
Type of request...PRESCRIBED
.TAG 1807952.0/BIS
.EMAIL ryan.melin@ndsu.edu


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