Spot Forecast
Issued by NWS Bismarck, ND

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Spot Forecast for Audubon 3 Mile Corner...NDGFD
National Weather Service Bismarck ND
627 AM CDT Wed May 1 2024

Forecast is based on ignition time of 1200 CDT on May 01.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...

We will see a mostly sunny sky at the burn site through most of
this morning, but there will be increasing clouds around the
ignition time of 1200 PM CDT. We will see a mostly cloudy sky by
mid to late afternoon. Expect only a minimal chance for a stray
shower this afternoon (10 percent) and a high temperature around
58. Afternoon humidity will only fall to around 43 percent. West
winds will be relatively light through the afternoon, generally
ranging from 9 to 12 mph with some gusts up to 17 mph. Wind
direction could become a bit erratic and variable at times given
close proximity to the lake.

Rain shower chances increase this evening and last into Thursday.
We see rain chances max out around 50 percent overnight but the
chance of wetting rains will only max out around 15 percent.
Expect cooler temperatures tomorrow with a high around 54 and
higher rain chances, up to 80 percent.

.REST OF TODAY...

Sky/weather.........Increasing clouds, becoming mostly cloudy.
CWR.................0 percent.
Chance of pcpn......10 percent.
Max temperature.....Around 58.
Min humidity........43 percent.
Wind (20 ft)........West winds 9 to 12 mph.
Mixing height.......5800 ft AGL.
Transport winds.....West 9 to 17 mph.
Smoke dispersal.....Fair (41500 knot-ft) early in the morning
                    increasing to good (64200 knot-ft) in the
                    afternoon.
Haines Index........5 or moderate potential for large plume
                    dominated fire growth.

TIME (CDT)      12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........30  39  65  78  85  83
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0
Chc of pcpn (%).0   0   0   0   0   10
Temp............51  52  54  55  55  55
RH..............59  54  48  45  43  45
20 FT wind dir..W   W   W   W   W   SW
20 FT wind spd..12  12  12  12  10   9
20 FT wind gust.17  17  17  17  16  13
Mix hgt (kft)...3.7 4.1 4.8 4.9 5.8 5.2
Transp wind dir.W   W   W   W   W   W
Transp wind spd.17  15  14  13  13  9
Haines index....5   5   5   5   5   5
Dispr kt-ft/1K..55  54  58  54  64  42

.TONIGHT...

Sky/weather.........Mostly cloudy. Chance of rain showers
                    in the evening and overnight.
CWR.................0 percent increasing to 15 percent.
Chance of pcpn......50 percent.
Min temperature.....Around 38.
Max humidity........100 percent.
Wind (20 ft)........West winds 6 to 7 mph shifting to the southeast
                    5 to 8 mph.
Mixing height.......500 ft AGL.
Transport winds.....Southwest 6 to 8 mph shifting to the east
                    around 7 mph, then shifting
                    to the southeast 6 to 10 mph in the late
                    evening and overnight.
Smoke dispersal.....Poor (3000 knot-ft).
Haines Index........3 to 5 or very 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 (%).........81  80  82  83  81  90  84  83  73  67  64  64
Weather cov.....    SCH CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC
Weather type....    RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW
Tstm cov........
CWR.............0   10  10  10  10  10  10  10  10  10  20  20
Chc of pcpn (%).10  20  40  50  50  50  30  30  30  30  40  40
Temp............54  53  51  48  46  44  43  43  42  41  40  40
RH..............46  48  54  63  68  76  82  82  86  92  96  96
20 FT wind dir..W   W   S   SE  SE  SE  SE  SE  SE  SE  SE  SE
20 FT wind spd..7   6   5   5   6   6   7   8   8   7   6   5
20 FT wind gust.10  10  9   9   9   9   11  12  11  11  9   8
Mix hgt (kft)...3.5 2.9 1.3 0.5 1.4 0.5 0.6 0.6 0.9 0.9 0.6 0.6
Transp wind dir.W   W   SW  E   S   SE  SE  SE  SE  SE  SE  S
Transp wind spd.8   8   6   7   8   9   10  10  10  10  8   6
Haines index....5   5   5   4   4   4   3   3   3   3   3   3
Dispr kt-ft/1K..24  21  6   3   10  4   5   5   8   8   4   3

.THURSDAY...

Sky/weather.........Partly sunny. Chance of rain showers early in
                    the morning, then rain showers likely in the
                    morning. Rain showers in the afternoon.
CWR.................24 percent increasing to 69 percent in the
                    afternoon.
Chance of pcpn......80 percent.
Max temperature.....Around 54.
Min humidity........58 percent.
Wind (20 ft)........Light west winds in the morning to 5 mph,
                    shifting to the northwest around 6 mph early in
                    the afternoon shifting to the north 6 to 7 mph
                    shifting to the southwest 8 to 9 mph late in
                    the afternoon.
Mixing height.......4200 ft AGL.
Transport winds.....West around 7 mph shifting to the north around
                    6 mph early in the morning, then shifting to
                    the west 6 to 12 mph later in the morning.
Smoke dispersal.....Poor (2800 knot-ft) early in the morning
                    increasing to fair (42100 knot-ft) in the
                    afternoon.
Haines Index........3 to 5 or very low to moderate potential for
                    large plume dominated fire growth.

TIME (CDT)      6 AM      9 AM      NOON      3 PM
Sky (%).........70        58        66        68
Weather cov.....CHANCE    LIKELY    LIKELY    DEFNTE
Weather type....RNSHWR    RNSHWR    RNSHWR    RNSHWR
Tstm cov........
CWR.............20        20        20        70
Chc of pcpn (%).40        60        60        80
Temp............39        42        49        52
RH..............100       93        72        59
20 FT wind......W 5G8     W 5G8     NW 6G9    W 8G12
Mix hgt (ft)....600       1300      2700      4000
Transport wind..W 7       NW 7      W 12      W 10
Haines index....3         3         4         5
Dispr kt-ft/1K..3         8         27        37

$$
Forecaster...HARGROVE
Requested by...Dan Halstead
Type of request...PRESCRIBED
.TAG 2412881.0/BIS
.DELDT 05/01/24
.FormatterVersion 2.0.0
.EMAIL dkhalstead@nd.gov