Text Products for FWS Issued by BIS

Spot Forecast
Issued by NWS Bismarck, ND
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FNUS73 KBIS 132335
FWSBIS

Spot Forecast for Skunk Bay...TAT Fire
National Weather Service Bismarck ND
635 PM CDT Sat Apr 13 2024

Forecast is based on forecast start time of 1900 CDT on April 13.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...

Near critical fire weather conditions remains possible across the fire area early
this evening. Northwest winds sustained in the 15 to 20 mph range gusting to 25 mph,
along with relative humidity in the 25 to 35 percent range could be found until near or
shortly after sunset. Winds then diminish tonight, becoming light and
variable during the overnight hours. Humidity recoveries tonight will be
near 70 percent.

Tomorrow will see light winds becoming southeast near 10 mph. Afternoon
humidity could dip into the mid 20s as temperatures remain near 70 degrees.
There is also a slight chance for an isolated shower tomorrow afternoon.

.REST OF TONIGHT...

Sky/weather.........Mostly clear.
CWR.................0 percent.
Chance of pcpn......0 percent.
LAL.................1.
Min temperature.....Around 40.
Max humidity........67 percent.
Wind (20 ft)........Northwest winds 15 to 20 mph with gusts near 25 mph
                    decreasing to around 10 mph with gusts near 15 mph after 2100.
                    Winds becoming light and variable after 0100.
Mixing height.......400 ft AGL.
Transport winds.....Northwest 20 to 30 mph with a few higher gusts, decreasing to 5 to 15
                    mph by 0100.
Smoke dispersal.....Excellent (179700 knot-ft) decreasing to poor
                    (2200 knot-ft) early in the evening.
Haines Index........4 to 6 or low to high potential for large plume
                    dominated fire growth.

TIME (CDT)      7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........7   8   5   6   3   4   5   7   5   13  4
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0   0
LAL.............1   1   1   1   1   1   1   1   1   1   1
Temp............69  65  60  57  54  52  49  47  46  44  42
RH..............30  31  35  35  40  43  48  51  53  57  65
20 FT wind dir..NW  NW  NW  NW  NW  NW  NW  NW  NW  N   N
20 FT wind spd..20  16  11  10  10  9   7   5   5   0   0
20 FT wind gust.25  20  17  15  14  12  11  8   6   5   5
Mix hgt (kft)...7.5 0.8 0.5 0.5 0.5 0.5 0.4 0.4 0.4 0.4 0.4
Transp wind dir.NW  NW  NW  NW  NW  NW  N   N   N   N   N
Transp wind spd.30  20  14  14  13  12  12  9   8   7   7
Haines index....6   6   6   6   6   6   6   5   5   4   4
Dispr kt-ft/1K..180 14  6   6   5   5   4   3   3   2   2

.SUNDAY...

Sky/weather.........Mostly sunny becoming partly cloudy.
                    Slight chance of rain showers in the afternoon.
CWR.................5 percent.
Chance of pcpn......20 percent.
LAL.................1.
Max temperature.....Around 68.
Min humidity........25 percent.
Wind (20 ft)........Light winds becoming east southeast 6 to 12 mph in the
                    afternoon.
Mixing height.......4600 ft AGL.
Transport winds.....Northeast 5 to 10 mph shifting to the southeast
                    5 to 15 mph in the afternoon.
Smoke dispersal.....Poor (1400 knot-ft) early in the morning
                    increasing to fair (40500 knot-ft) in the
                    afternoon.
Haines Index........4 to 5 or 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 (%).........10  11  8   9   12  24  37  43  52  43  40  28
Weather cov.....                        SCH SCH SCH SCH SCH SCH
Weather type....                        RW  RW  RW  RW  RW  RW
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Chc of pcpn (%).0   0   0   0   10  10  20  20  20  20  20  20
LAL.............1   1   1   1   1   1   1   1   1   1   1   1
Temp............42  41  42  45  50  53  56  59  60  61  62  63
RH..............65  67  67  62  54  48  42  36  36  35  33  32
20 FT wind dir..N   N   N   N   E   E   E   E   SE  E   E   E
20 FT wind spd..0   0   0   0   4   4   5   5   7   8   9   9
20 FT wind gust.3   4   3   5   5   6   7   8   10  12  13  14
Mix hgt (kft)...0.4 0.4 0.4 0.5 1.0 1.9 3.5 4.3 4.3 4.6 4.5 4.3
Transp wind dir.N   NE  NE  E   SE  SE  SE  SE  SE  SE  SE  SE
Transp wind spd.7   6   5   6   6   7   8   7   8   9   10  10
Haines index....4   4   4   4   4   4   4   4   4   5   5   5
Dispr kt-ft/1K..2   2   1   2   5   11  24  26  30  37  41  38

$$
Forecaster...ANGLIN
Requested by...Jocko  Frank
Type of request...WILDFIRE
.TAG 2410663.0/BIS
.DELDT 04/13/24
.FormatterVersion 2.0.0
.EMAIL jockojamesfrank@gmail.com
National Weather Service Weather Forecast Office
