720
FNUS73 KBIS 091009
FWSBIS

Spot Forecast for Brazda Rx...ND Game and Fish
National Weather Service Bismarck ND
509 AM CDT Thu May 9 2024

Forecast is based on ignition time of 0600 CDT on May 09.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...

Mainly clear skies becoming partly sunny can be expected across the fire area today.
A steady north wind 6 to 12 mph is also expected today. Humidity values this
afternoon should hover around 40 percent. After a few isolated showers this evening,
a weak front will push through tonight. This will bring dry and breezier conditions
on Friday. Humidity values could lower to near 34 percent, while northwest winds
10 to 20 mph gusting to near 25 mph are forecast. Mainly clear skies and seasonable
temperatures are also expected for Friday.

.TODAY...

Sky/weather.........Partly sunny.
CWR.................0 percent.
Chance of pcpn......10 percent.
LAL.................1.
Max temperature.....Around 68.
Min humidity........39 percent.
Wind (20 ft)........North winds 6 to 12 mph.
Mixing height.......7800 ft AGL.
Transport winds.....North 10 to 20 mph.
Smoke dispersal.....Poor (4400 knot-ft) early in the morning
                    increasing to good (96800 knot-ft) in the
                    afternoon increasing to very good (110300
                    knot-ft) in the afternoon.
Haines Index........3 to 5 or very low to moderate potential for
                    large plume dominated fire growth.

TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........75  73  67  61  54  48  42  36  41  47  43  45
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Chc of pcpn (%).10  0   0   0   0   0   10  0   0   10  10  10
LAL.............1   1   1   1   1   1   1   1   1   1   1   1
Temp............48  48  50  53  57  61  63  65  66  67  68  67
RH..............80  77  73  69  62  51  48  43  43  40  39  42
20 FT wind dir..N   N   N   N   N   N   N   N   N   N   N   N
20 FT wind spd..6   6   7   9   10  11  12  12  12  12  12  12
20 FT wind gust.8   8   10  13  14  15  15  15  17  17  18  17
Mix hgt (kft)...0.4 0.4 0.4 1.0 3.5 5.7 6.5 7.2 7.4 7.6 7.8 7.4
Transp wind dir.N   N   N   N   N   N   N   N   N   N   N   N
Transp wind spd.14  13  12  14  18  20  20  20  20  20  20  20
Haines index....3   5   4   4   3   3   3   3   4   4   5   5
Dispr kt-ft/1K..5   5   4   13  55  97  110 122 126 130 133 126

.TONIGHT...

Sky/weather.........Partly cloudy. Slight chance of rain showers in
                    the evening.
CWR.................5 percent.
Chance of pcpn......20 percent.
LAL.................1.
Min temperature.....Around 45.
Max humidity........77 percent.
Wind (20 ft)........Northwest winds 7 to 14 mph.
Mixing height.......400 ft AGL.
Transport winds.....Northwest 10 to 20 mph.
Smoke dispersal.....Very good (117600 knot-ft) early in the evening
                    decreasing to poor (22500 knot-ft) late in the
                    night decreasing to poor (4900 knot-ft) in the
                    late evening and overnight.
Haines Index........4 to 5 or low to moderate potential for large
                    plume dominated fire growth.

TIME (CDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........44  45  49  47  49  50  49  40  37  35  14  6
Weather cov.....    SCH SCH SCH SCH SCH
Weather type....    RW  RW  RW  RW  RW
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Chc of pcpn (%).10  20  20  20  20  20  10  10  10  10  0   0
LAL.............1   1   1   1   1   1   1   1   1   1   1   1
Temp............67  66  63  59  56  56  55  54  51  49  48  47
RH..............42  45  52  62  69  72  74  77  77  77  74  71
20 FT wind dir..N   N   N   NW  NW  NW  NW  NW  NW  NW  NW  NW
20 FT wind spd..12  11  9   8   7   9   10  11  11  11  11  12
20 FT wind gust.15  14  13  12  11  12  14  15  15  15  15  17
Mix hgt (kft)...6.9 6.3 2.0 0.6 0.4 0.5 0.5 0.5 0.4 0.4 0.4 0.5
Transp wind dir.N   N   N   NW  NW  NW  N   NW  NW  NW  NW  NW
Transp wind spd.20  20  13  13  13  14  15  14  16  15  16  16
Haines index....5   5   5   5   5   5   5   5   5   4   4   4
Dispr kt-ft/1K..118 107 23  7   5   6   6   6   6   6   6   7

.FRIDAY...

Sky/weather.........Sunny.
CWR.................0 percent.
Chance of pcpn......0 percent.
LAL.................1.
Max temperature.....Around 68.
Min humidity........34 percent.
Wind (20 ft)........Northwest winds 10 to 20 mph with afternoon gusts
                    near 25 mph.
Mixing height.......8400 ft AGL.
Transport winds.....Northwest 15 to 25 mph increasing to 20 to 29
                    mph late in the morning with a few higher gusts.
Smoke dispersal.....Poor (7000 knot-ft) early in the morning
                    increasing to fair (54100 knot-ft) in the
                    afternoon increasing to very good (125400
                    knot-ft) early in the morning increasing to
                    excellent (201500 knot-ft) in the afternoon
                    late in the morning.
Haines Index........4 to 5 or low to moderate potential for large
                    plume dominated fire growth.

TIME (CDT)      6 AM      9 AM      NOON      3 PM
Sky (%).........7         23        32        27
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............45        54        63        66
RH..............73        54        39        34
20 FT wind......NW 11G17  NW 15G22  NW 17G24  NW 17G24
Mix hgt (ft)....500       1300      6500      8300
Transport wind..NW 17     N 21      NW 29     NW 28
Haines index....4         5         5         5
Dispr kt-ft/1K..7         23        163       201

$$
Forecaster...ANGLIN
Requested by...Levi Jacobson
Type of request...PRESCRIBED
.TAG 2413543.0/BIS
.DELDT 05/09/24
.FormatterVersion 2.0.0
.EMAIL lcjacobson@nd.gov