Suppression Forecast
Issued by NWS Grand Forks, ND

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947
FNUS73 KFGF 201214
FWSFGF

Spot Forecast for Spink SE...USFWS
National Weather Service Grand Forks ND
714 AM CDT Sun Apr 20 2025

Forecast is based on ignition time of 1000 CDT on April 20.
If conditions become unrepresentative, contact the National Weather
Service.

Please call the NWS in Grand Forks at 701-795-5127 for additional
information and monitor our website (www.weather.gov/fgf) or NOAA
All-Hazards Radio for the latest updates.

.DISCUSSION...

Southeast winds around 10mph this morning increasing to near 18
mph by noon with highest winds between 11am and 3pm. Gusts near 25
mph and RH dropping to near or below 40% by 11am. Min RH of 25 to
30 between 2pm and 7pm leading to near critical burning conditions
for which and SPS remains in effect. Winds going variable
overnight with high pressure and settling at a north/northeast
direction for tomorrow morning.

.REST OF TODAY...

Sky/weather.........Partly sunny (50-60 percent).
Max temperature.....Around 60.
Min humidity........28 percent.
Wind (20 ft)........Southeast winds around 15 mph.
Mixing height.......5600 ft AGL.
Mixing winds........South 20 to 25 mph shifting to the southeast
                    around 15 mph late in the afternoon.
Smoke dispersal.....28900 knot-ft early in the morning increasing
                    to 79400 knot-ft in the afternoon.

TIME (CDT)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........47  51  59  65  60  64  67  65
Weather cov.....
Weather type....
Tstm cov........
Temp............47  51  53  56  57  58  59  58
RH..............51  44  39  33  32  29  28  29
20 FT wind dir..S   S   S   S   SE  SE  SE  SE
20 FT wind spd..15  15  15  15  15  15  15  15
20 FT wind gust.18  22  22  21  21  20  19  19
Mix hgt (kft)...1.4 2.3 3.4 4.3 5.0 5.5 5.6 5.4
Mixing wind dir.S   S   S   S   S   S   SE  SE
Mixing wind spd.25  25  20  20  20  15  15  15
Vrate kt-ft/1K..29  46  64  78  79  76  73  70

.TONIGHT...

Sky/weather.........Mostly cloudy (60-70 percent).
Min temperature.....Around 37.
Max humidity........87 percent.
Wind (20 ft)........Southeast winds 5 to 10 mph shifting to the
                    northeast overnight.
Mixing height.......300 ft AGL.
Mixing winds........Southeast 10 to 15 mph shifting to the east
                    around 5 mph overnight, then shifting to the
                    northeast early in the morning.
Smoke dispersal.....61400 knot-ft early in the evening decreasing
                    to 2000 knot-ft late in the night.

TIME (CDT)      6 PM      9 PM      MIDNGT    3 AM
Sky (%).........71        78        78        68
Weather cov.....
Weather type....NONE      NONE      NONE      NONE
Tstm cov........
Temp............57        48        43        41
RH..............30        49        67        79
20 FT wind......SE 10G18  SE 10G14  E 5G11    NE 5G8
Mix hgt (ft)....5100      800       500       400
Mixing wind.....SE 15     SE 15     E 10      E 5
Vrate kt-ft/1K..61        9         4         2

.MONDAY...

Sky/weather.........Sunny (20-30 percent).
Max temperature.....Around 64.
Min humidity........30 percent.
Wind (20 ft)........Northeast winds around 5 mph.
Mixing height.......6300 ft AGL.
Mixing winds........North 5 to 10 mph shifting to the west late in
                    the afternoon.
Smoke dispersal.....1900 knot-ft early in the morning increasing to
                    50200 knot-ft in the afternoon.

TIME (CDT)      6 AM      9 AM      NOON      3 PM
Sky (%).........44        17        6         5
Weather cov.....
Weather type....NONE      NONE      NONE      NONE
Tstm cov........
Temp............39        43        54        61
RH..............84        74        47        32
20 FT wind......NE 5G7    N 5G8     N 5G12    N 5G12
Mix hgt (ft)....300       1500      4100      5800
Mixing wind.....N 5       N 10      N 10      N 10
Vrate kt-ft/1K..2         11        28        44

$$
Forecaster...TT
Requested by...Tim Spencer
Type of request...PRESCRIBED
.TAG 2511081.0/FGF
.DELDT 04/20/25
.FormatterVersion 2.0.0
.EMAIL jarred.gordon@usda.gov,timothy_spencer@fws.gov,mgoodrich@blm.gov