Text Products for FWS Issued by BIS

Spot Forecast
Issued by NWS Bismarck, ND
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FNUS73 KBIS 111047
FWSBIS

Spot Forecast for Wind Canyon RX...NPS
National Weather Service Bismarck ND
547 AM CDT Thu Apr 11 2024

Forecast is based on ignition time of 0800 MDT on April 11.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...

Sunny and dry conditions are expected for today with breezy
northwesterly winds up to 20 mph in the afternoon. Minimum
relative humidity values will drop to as low as 20 percent this
afternoon. For tonight, dry conditions will persist, although
minimum relative humidity values will recover to around 60 percent.
Winds will become light and variable as they veer to the southeast.
For Friday, mostly sunny skies and dry conditions are expected.
Southerly winds will become breezy again with gusts up to 25 mph.
Minimum relative humidity values will drop to around 20 to 25
percent.

.REST OF TODAY...

Sky/weather.........Sunny.
CWR.................0 percent.
Chance of pcpn......0 percent.
LAL.................1.
Max temperature.....Around 53.
Min humidity........21 percent.
Wind (20 ft)........Northwest winds 10 to 20 mph.
Mixing height.......7300 ft AGL.
Transport winds.....Northwest 15 to 25 mph.
Smoke dispersal.....Poor (9200 knot-ft) early in the morning
increasing to very good (109700 knot-ft) by
mid-morning.
Haines Index........4 to 6 or low to high potential for large plume
                    dominated fire growth.

TIME (MDT)      8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM
Sky (%).........1   3   2   4   4   2   2   3   3
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............33  39  43  45  48  50  51  51  51
RH..............61  50  43  36  30  27  24  24  23
20 FT wind dir..NW  NW  NW  NW  NW  NW  NW  NW  NW
20 FT wind spd..9   11  12  12  13  13  13  12  11
20 FT wind gust.14  15  18  19  20  19  18  18  15
Mix hgt (kft)...0.7 1.8 5.2 6.3 6.8 7.0 7.2 7.3 7.3
Transp wind dir.NW  NW  NW  NW  NW  NW  NW  NW  NW
Transp wind spd.15  20  28  26  26  24  23  21  17
Haines index....4   4   4   4   4   5   5   6   6
Dispr kt-ft/1K..9   31  125 145 156 146 144 132 110

.TONIGHT...

Sky/weather.........Partly cloudy.
CWR.................0 percent.
Chance of pcpn......0 percent.
LAL.................1.
Min temperature.....Around 30.
Max humidity........63 percent.
Wind (20 ft)........Northwest winds 5 to 10 mph veering during the
evening and becoming southeast after midnight.
Mixing height.......400 ft AGL.
Transport winds.....Northwest 7 to 15 mph shifting to the east 6 to
                    7 mph late in the evening, then shifting to the
                    southeast 8 to 12 mph overnight.
Smoke dispersal.....Good (93400 knot-ft) early in the evening
                    decreasing to poor (1900 knot-ft) late in the
                    night.
Haines Index........5 to 6 or moderate to high potential for large
                    plume dominated fire growth.

TIME (MDT)      5PM 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM
Sky (%).........2   14  21  23  43  40  49  35  30  12  16  31
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
LAL.............1   1   1   1   1   1   1   1   1   1   1   1
Temp............53  51  48  43  40  39  37  35  34  33  32  31
RH..............21  23  27  36  41  44  48  52  54  56  58  61
20 FT wind dir..NW  NW  N   N   E   E   SE  SE  SE  SE  S   SE
20 FT wind spd..9   8   6   5   3   3   4   5   5   5   5   6
20 FT wind gust.14  12  9   6   4   5   6   7   10  8   9   9
Mix hgt (kft)...7.2 6.7 0.7 0.6 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4
Transp wind dir.NW  NW  N   N   NE  E   E   SE  SE  SE  SE  SE
Transp wind spd.15  14  9   7   6   6   7   8   8   9   10  12
Haines index....6   6   6   5   5   5   5   5   5   5   5   5
Dispr kt-ft/1K..93  80  6   3   2   2   2   3   3   3   3   4

.FRIDAY...

Sky/weather.........Mostly sunny.
CWR.................0 percent.
Chance of pcpn......0 percent.
LAL.................1.
Max temperature.....Around 69.
Min humidity........23 percent.
Wind (20 ft)........Southeast winds 5 to 15 mph shifting to the
                    south at 15 to 20 mph in the afternoon.
Mixing height.......4900 ft AGL.
Transport winds.....South 12 to 20 mph increasing to 22 to 24 mph
                    late in the morning.
Smoke dispersal.....Poor (3500 knot-ft) early in the morning
                    increasing to very good (102000 knot-ft) by
late morning.
Haines Index........4 to 5 or low to moderate potential for large
                    plume dominated fire growth.

TIME (MDT)      5 AM      8 AM      11 AM     2 PM
Sky (%).........35        27        23        21
Weather cov.....
Weather type....NONE      NONE      NONE      NONE
Tstm cov........
CWR.............0         0         0         0
Chc of pcpn (%).0         0         0         0
LAL.............1         1         1         1
Temp............31        37        56        65
RH..............58        48        28        23
20 FT wind......SE 6G10   SE 9G14   S 15G20   S 17G21
Mix hgt (ft)....400       800       2700      4400
Transport wind..SE 12     S 18      S 23      S 25
Haines index....4         4         4         5
Dispr kt-ft/1K..4         14        53        91

$$
Forecaster...TELKEN
Requested by...Tyler Brink
Type of request...PRESCRIBED
.TAG 2410119.0/BIS
.DELDT 04/11/24
.FormatterVersion 2.0.0
.EMAIL tyler_brink@nps.gov
National Weather Service Weather Forecast Office
