243
FNUS73 KBIS 210816
FWSBIS

Spot Forecast for DU 28...fws
National Weather Service Bismarck ND
316 AM CDT Tue May 21 2024

Forecast is based on ignition time of 0900 CDT on May 21.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...

Mostly cloudy skies are expected at the burn site today, as light
winds gradually become northerly mid-day at 6 to 11 and eventually
northwesterly at 10 to 14 mph through the afternoon. Minimum relative
humidity values are expected to dip into the lower 30s. A light rain
shower is possible in the afternoon. Variable and gusty winds will be
possible around any rain shower.

Mostly sunny and quiet weather is expected at the burn site on
Wednesday, with humidity values in the lower 30s and a northwest wind
around 5 to 10 mph.


.TODAY...
Sky/weather.........Mostly cloudy. Slight chance of rain showers
                    after 3pm.
CWR.................5 percent.
Chance of pcpn......20 percent.
LAL.................1.
Max temperature.....Around 68.
Min humidity........33 percent.
Wind (20 ft)........Light and variable winds in the early morning,
                    becoming northerly 6 to 11 in the late morning.
                    Winds will gradually shift towards the northwest
                    through the afternoon at 10 to 14 mph.
Mixing height.......8400 ft AGL.
Transport winds.....Northeast around 10 to 14 mph shifting to the north
                    late in the morning.
Smoke dispersal.....Poor early in the morning increasing to good in the
                    afternoon.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

TIME (CDT)      9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........73  70  74  77  81  77  73  69  68
Weather cov.....                        SCH SCH SCH
Weather type....                        RW  RW  RW
CWR.............0   0   0   0   0   0   5   5   5
Chc of pcpn (%).0   0   0   0   0   0   20  20  20
LAL.............1   1   1   1   1   1   1   1   1
Temp............54  59  62  63  63  64  65  66  66
RH..............59  51  44  41  41  38  35  34  33
20 FT wind dir..NE  NE  NE  N   N   N   N   NNW NW
20 FT wind spd..3   4   6   8   9   10  11  12  13
20 FT wind gust.7   8   10  12  14  14  14  15  17
Mix hgt (kft)...0.8 2.9 5.8 6.6 6.2 6.9 7.5 7.8 8.4
Transp wind dir.NE  NE  N   N   N   N   NW  N   NW
Transp wind spd.8   8   10  10  9   10  12  13  13
Haines index....5   5   5   5   5   5   5   5   5

.TONIGHT...
Sky/weather.........Decreasing clouds. Slight chance of rain showers
                    early in the evening.
CWR.................0 percent.
Chance of pcpn......20 percent.
LAL.................1.
Min temperature.....Around 40.
Max humidity........86 percent.
Wind (20 ft)........Northwest winds 7 to 12 mph in the early evening,
                    decreasing to 4 to 8 mph overnight.
Mixing height.......500 ft AGL.
Transport winds.....Northwest 12 to 14 mph.
Smoke dispersal.....Good early in the evening decreasing to poor
                    late in the night.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

.WEDNESDAY...
Sky/weather.........Mostly sunny.
CWR.................0 percent.
Chance of pcpn......0 percent.
LAL.................1.
Max temperature.....Around 67.
Min humidity........32 percent.
Wind (20 ft)........Northwest winds 5 to 10 mph.
Mixing height.......7300 ft AGL.
Transport winds.....Northwest 10 to 15 mph.
Smoke dispersal.....Good.
Haines Index........4 to 5 or low to moderate potential for large
                    plume dominated fire growth.

$$
Forecaster...SCHILD
Requested by...D. Mireles
Type of request...PRESCRIBED
.TAG 2414780.0/BIS
.DELDT 05/21/24
.FormatterVersion 2.0.0
.EMAIL dustin_mireles@fws.gov