348
FNUS73 KBIS 220811
FWSBIS

Spot Forecast for DU 28...UsSFWS
National Weather Service Bismarck ND
311 AM CDT Wed May 22 2024

Forecast is based on ignition time of 0900 CDT on May 22.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...

Quiet weather is expected at the burn site today, with a light
westerly wind and minimum humidity values dipping into the lower 30s.
Winds turn northeast tonight with a chance of rain showers. Rain showers
become likely at the burn site on Thursday.

.TODAY...
Sky/weather.........Mostly sunny.
CWR.................0 percent.
Chance of pcpn......0 percent.
LAL.................1.
Max temperature.....Around 68.
Min humidity........32 percent.
Wind (20 ft)........Light winds becoming west around 6 mph in the
                    late morning and afternoon.
Mixing height.......7700 ft AGL.
Transport winds.....West 9 to 13 mph.
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 (%).........29  33  30  26  22  32  41  51  56
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............48  54  57  60  62  64  66  66  68
RH..............65  57  47  42  39  37  34  34  32
20 FT wind dir..W   W   W   W   W   W   W   W   W
20 FT wind spd..4   5   5   5   6   5   6   6   5
20 FT wind gust.9   9   10  10  11  11  11  10  10
Mix hgt (kft)...1.5 3.6 4.9 5.7 6.7 7.6 7.7 7.6 7.3
Transp wind dir.NW  NW  W   W   W   W   W   W   W
Transp wind spd.9   12  12  10  13  13  12  12  12
Haines index....5   5   5   5   5   5   5   5   5


.TONIGHT...
Sky/weather.........Mostly cloudy with a chance of rain
                    showers.
CWR.................15 percent.
Chance of pcpn......50 percent.
LAL.................1.
Min temperature.....Around 44.
Max humidity........93 percent.
Wind (20 ft)........Northwest winds around 5 mph shifting to the
                    northeast 7 to 13 mph early in the evening.
Mixing height.......700 ft AGL.
Transport winds.....West 6 to 10 mph shifting to the northeast 8 to
                    17 mph in the late evening and overnight, then
                    shifting to the east 18 to 21 mph overnight.
Smoke dispersal.....Fair early in the evening decreasing to poor
                    late in the night.
Haines Index........3 to 5 or very low to moderate potential for
                    large plume dominated fire growth.

.THURSDAY...
Sky/weather.........Mostly cloudy. Chance of rain showers in the
                    morning, then rain showers likely in the
                    afternoon.
CWR.................40 percent.
Chance of pcpn......60 percent.
LAL.................1.
Max temperature.....Around 55.
Min humidity........57 percent.
Wind (20 ft)........Northeast winds 15 to 20 mph with gusts to
                    around 27 mph.
Mixing height.......3200 ft AGL.
Transport winds.....East 22 to 27 mph.
Smoke dispersal.....Good.
Haines Index........2 to 4 or very low to low potential for large
                    plume dominated fire growth.

$$
Forecaster...SCHILD
Requested by...D. Mireles
Type of request...PRESCRIBED
.TAG 2414876.0/BIS
.DELDT 05/22/24
.FormatterVersion 2.0.0
.EMAIL Dustin_mireles@fws.gov