Text Products for FWS Issued by BIS

Spot Forecast
Issued by NWS Bismarck, ND
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FNUS73 KBIS 180338
FWSBIS

Spot Forecast for Maxbass...UNK
National Weather Service Bismarck ND
1038 PM CDT Wed Apr 17 2024

Forecast is based on forecast start time of 2300 CDT on April 17.
If conditions become unrepresentative, contact the National Weather
Service.

...WIND ADVISORY IN EFFECT FROM 9 AM TO 9 PM CDT THURSDAY...

.DISCUSSION...

20ft northwest winds will remain around 15 to 20 mph with gusts up
to 30 mph. Relative humidity will continue to increase as temperatures
decrease, the current relative humidity is around 70 to 80 percent.
Snow showers are possible tonight as an upper low continues to pass north
of the region. Tomorrow conditions, minimum relative humidity will sit
around the 40 to 50 percent range. While northwest winds 30 mph with gusts
up to 45 mph are possible by the afternoon hours.

.REST OF TONIGHT...

Sky/weather.........Mostly cloudy. Isolated snow showers late in
                    the evening, then chance of snow showers
                    overnight.
CWR.................0 percent.
Chance of pcpn......40 percent.
LAL.................1.
Min temperature.....Around 27.
Max humidity........78 percent.
Wind (20 ft)........West winds 23 to 24 mph with gusts to around 37
                    mph.
Mixing height.......900 ft AGL.
Transport winds.....Northwest 28 to 31 mph.
Smoke dispersal.....Poor (21900 knot-ft).
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

TIME (CDT)      11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........57  69  77  78  79  78  73
Weather cov.....ISO ISO CHC CHC CHC CHC CHC
Weather type....SW  SW  SW  SW  SW  SW  SW
Tstm cov........
CWR.............0   0   0   0   0   0   0
Chc of pcpn (%).20  20  30  30  30  40  40
LAL.............1   1   1   1   1   1   1
Temp............35  34  33  32  31  30  29
RH..............78  78  78  78  78  78  78
20 FT wind dir..W   W   W   W   W   W   W
20 FT wind spd..23  23  24  24  23  24  24
20 FT wind gust.33  34  37  37  37  37  37
Mix hgt (kft)...1.3 1.3 0.9 0.9 1.2 1.4 1.5
Transp wind dir.W   W   W   W   W   NW  NW
Transp wind spd.28  30  29  29  31  30  30
Haines index....3   3   3   3   3   3   3
Dispr kt-ft/1K..30  34  22  24  31  36  39

.THURSDAY...

Sky/weather.........Mostly cloudy. Chance of snow showers.
CWR.................0 percent.
Chance of pcpn......40 percent.
LAL.................1.
Max temperature.....Around 39.
Min humidity........46 percent.
Wind (20 ft)........Breezy. Northwest winds 23 to 26 mph with gusts
                    to around 40 mph.
Mixing height.......6000 ft AGL.
Transport winds.....Northwest 30 to 36 mph.
Smoke dispersal.....Poor (36900 knot-ft) early in the morning
                    increasing to very good (134700 knot-ft) in the
                    afternoon increasing to very good (146700
                    knot-ft) early in the morning increasing to
                    excellent (168000 knot-ft) in the afternoon in
                    the afternoon.
Haines Index........3 to 4 or very low to low potential for large
                    plume dominated fire growth.

TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........74  73  78  74  83  87  86  84  83  81  87  84
Weather cov.....CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC
Weather type....SW  SW  SW  SW  SW  SW  SW  SW  SW  SW  SW  SW
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Chc of pcpn (%).40  40  40  40  40  40  40  30  30  30  30  30
LAL.............1   1   1   1   1   1   1   1   1   1   1   1
Temp............28  28  29  31  33  34  35  36  37  38  38  38
RH..............78  75  72  66  61  56  54  50  48  46  46  46
20 FT wind dir..W   NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW
20 FT wind spd..24  23  24  24  25  26  25  25  25  25  23  23
20 FT wind gust.37  34  37  37  39  40  38  38  38  38  37  35
Mix hgt (kft)...1.4 2.4 2.8 3.6 4.0 4.5 5.1 5.5 5.7 6.0 5.9 5.8
Transp wind dir.NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW
Transp wind spd.30  32  32  36  35  35  33  33  32  32  32  33
Haines index....3   3   3   3   3   3   3   3   3   4   4   4
Dispr kt-ft/1K..37  67  77  110 121 135 147 158 159 167 165 168

$$
Forecaster...JOHNSON
Requested by...UNK
Type of request...WILDFIRE
.TAG 2411296.0/BIS
.DELDT 04/17/24
.FormatterVersion 2.0.0
.EMAIL DWSURPRENANT@GMAIL.COM
National Weather Service Weather Forecast Office
