648
FNUS73 KBIS 290955
FWSBIS

Spot Forecast for Hb-44-45...USFWS
National Weather Service Bismarck ND
455 AM CDT Mon Apr 29 2024

Forecast is based on ignition time of 1100 CDT on April 29.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...

After a cloudy start this morning, clouds will clear out with
high temperatures warming to near 60 degrees. Winds will remain
light out of the southeast today and tonight, increasing on
Tuesday as clouds increase and rain showers move into the region.

.REST OF TODAY...

Sky/weather.........Becoming mostly sunny in the afternoon.
CWR.................0 percent.
Chance of pcpn......0 percent.
LAL.................1.
Max temperature.....Around 62.
Min humidity........41 percent.
Wind (20 ft)........Southeast winds 5 to 6 mph.
Mixing height.......4700 ft AGL.
Transport winds.....Southeast 7 to 10 mph.
Smoke dispersal.....Poor (14400 knot-ft) early in the morning
                    increasing to fair (42700 knot-ft) in the
                    afternoon.
Haines Index........3 or very low potential for large
                    plume dominated fire growth.

TIME (CDT)      11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........57  10  6   5   4   4   4
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0
Chc of pcpn (%).0   0   0   0   0   0   0
LAL.............1   1   1   1   1   1   1
Temp............47  50  52  55  57  59  60
RH..............71  63  56  51  47  42  41
20 FT wind dir..SE  SE  SE  SE  SE  SE  SE
20 FT wind spd..5   5   5   6   6   6   6
20 FT wind gust.6   7   9   9   9   10  10
Mix hgt (kft)...2.4 2.5 2.9 3.4 3.8 4.5 4.7
Transp wind dir.SE  SE  SE  SE  SE  SE  SE
Transp wind spd.7   8   8   8   9   8   10
Haines index....3   3   3   3   3   3   3
Dispr kt-ft/1K..14  18  20  24  30  31  43

.TONIGHT...

Sky/weather.........Clear to partly cloudy.
CWR.................0 percent.
Chance of pcpn......10 percent.
LAL.................1.
Min temperature.....Around 38.
Max humidity........96 percent.
Wind (20 ft)........Southeast winds 7 to 12 mph.
Mixing height.......500 ft AGL.
Transport winds.....Southeast 10 to 18 mph increasing to 16 to 20
                    mph late in the evening.
Smoke dispersal.....Fair (41700 knot-ft) early in the evening
                    decreasing to poor (6300 knot-ft) late in the
                    night.
Haines Index........3 or very low potential for large
                    plume dominated fire growth.

TIME (CDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........6   9   22  14  15  11  7   12  18  18  24  48
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   10  10
LAL.............1   1   1   1   1   1   1   1   1   1   1   1
Temp............60  60  56  51  48  46  44  43  41  41  40  39
RH..............41  41  49  61  71  76  82  82  89  89  92  96
20 FT wind dir..SE  SE  SE  SE  SE  SE  SE  SE  SE  SE  SE  SE
20 FT wind spd..7   9   9   11  12  11  11  12  11  10  11  10
20 FT wind gust.10  13  14  15  19  17  17  18  15  15  15  15
Mix hgt (kft)...4.5 3.8 2.4 0.8 0.8 0.7 0.7 0.6 0.5 0.5 0.5 0.5
Transp wind dir.SE  SE  SE  SE  SE  SE  SE  SE  S   S   S   S
Transp wind spd.10  13  16  16  18  20  18  18  16  16  16  16
Haines index....3   3   3   3   3   3   3   3   3   3   3   3
Dispr kt-ft/1K..40  42  34  12  12  12  11  10  7   7   6   7

.TUESDAY...

Sky/weather.........Cloudy with rain showers.
CWR.................90 percent.
Chance of pcpn......90 percent.
LAL.................1.
Max temperature.....Around 50.
Min humidity........77 percent.
Wind (20 ft)........Southeast winds 10 to 12 mph.
Mixing height.......2200 ft AGL.
Transport winds.....South 14 to 20 mph.
Smoke dispersal.....Poor (5700 knot-ft).
Haines Index........3 or very low potential for
                    large plume dominated fire growth.

TIME (CDT)      6 AM      9 AM      NOON      3 PM
Sky (%).........49        84        89        84
Weather cov.....ISOLTD    DEFNTE    DEFNTE    DEFNTE
Weather type....RNSHWR    RNSHWR    RNSHWR    RNSHWR
Tstm cov........
CWR.............0         90        90        90
Chc of pcpn (%).20        90        90        90
LAL.............1         1         1         1
Temp............39        42        47        48
RH..............96        96        89        85
20 FT wind......SE 10G14  SE 10G14  SE 11G15  SE 12G18
Mix hgt (ft)....500       800       1400      2000
Transport wind..SE 14     S 16      S 17      SE 18
Haines index....3         3         3         3
Dispr kt-ft/1K..6         11        22        32

$$
Forecaster...HEINERT
Requested by...Calvin
Type of request...PRESCRIBED
.TAG 2412654.0/BIS
.DELDT 04/29/24
.FormatterVersion 2.0.0
.EMAIL calvin_moldenhauer@fws.gov