479
FNUS73 KFGF 161553
FWSFGF

Spot Forecast for Melvin Slash Piles...USFWS
National Weather Service Grand Forks ND
953 AM CST Thu Jan 16 2025

Forecast is based on ignition time of 1100 CST on January 16.
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...

West to northwest winds will start to shift around to the
southwest and then the south by this afternoon. Speeds will
generally be in the 5 to 15 mph range, but increase by this
afternoon and will be gusting to to 20 mph by close to sunset.
Afternoon RH values will drop to around 80 percent, with above
average temperatures rising into the 20s and even low 30s.

Breezy southerly winds will continue for much of the night
tonight, with a strong cold front coming down into the burn site
during the day tomorrow. The Arctic front on Friday will bring a
shift to the winds back to the northwest at 30 to 40 mph with
gusts to 45 to 55 mph. There could also be some brief heavy snow
showers along and behind the front, and temperatures crashing
back down from near freezing into the teens and even single
digits.


.TODAY...

Sky/weather.........Mostly cloudy (65-75 percent).
Max temperature.....Around 31.
Min humidity........81 percent.
Wind (20 ft)........Northwest winds around 10 mph with gusts to
                    around 21 mph shifting to the south in the
                    afternoon.
Mixing height.......700 ft AGL.
Mixing winds........Northwest 10 to 15 mph shifting to the south
                    late in the afternoon.
Smoke dispersal.....(4200 knot-ft).

TIME (CST)      11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........60  65  70  76  77  78  81
Weather cov.....
Weather type....
Tstm cov........
Temp............19  20  23  28  29  28  27
RH..............84  81  81  85  85  92  92
20 FT wind dir..W   SW  SW  S   S   S   S
20 FT wind spd..5   5   10  10  10  10  15
20 FT wind gust.14  14  14  16  19  21  23
Mix hgt (kft)...0.6 0.7 0.7 0.7 0.7 0.7 0.6
Mixing wind dir.W   SW  SW  S   S   S   S
Mixing wind spd.10  10  10  10  15  15  15
Vrate kt-ft/1K..4   5   6   7   10  10  8

.TONIGHT...

Sky/weather.........Mostly cloudy (70-80 percent).
Min temperature.....Around 25.
Max humidity........100 percent.
Wind (20 ft)........South winds 15 to 20 mph shifting to the
                    southwest after 3 am. Gusts up to 35 mph.
Mixing height.......500 ft AGL.
Mixing winds........South 20 to 25 mph shifting to the west around
                    15 mph after 3 am.
Smoke dispersal.....14500 knot-ft early in the evening decreasing
                    to 8000 knot-ft late in the night.

TIME (CST)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........84     79     75     72     70     68
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Temp............27     27     28     28     28     28
RH..............92     92     92     92     100    100
20 ft wind......S 15   S 20   S 20   S 20   SW 15  SW 15
20 ft wind gust.23     29     32     30     27     25
Mix hgt (ft)....500    600    600    600    500    600
Mixing wind.....S 20   S 25   S 25   S 25   SW 20  SW 15
Vrate kt-ft/1K..8      12     15     12     9      9

.FRIDAY...

Sky/weather.........Partly sunny (60-70 percent). Patchy blowing
                    snow in the late morning and afternoon. Slight
                    chance of snow showers late in the morning.
                    Chance of snow showers in the afternoon.
Max temperature.....Around 31.
Min humidity........78 percent.
Wind (20 ft)........Windy. West winds 15 to 20 mph with gusts to
                    around 34 mph increasing to northwest 25 to 30
                    mph with gusts to around 43 mph late in the
                    morning.
Mixing height.......3100 ft AGL.
Mixing winds........West 20 to 25 mph increasing to northwest 35 to
                    40 mph.
Smoke dispersal.....10900 knot-ft early in the morning increasing
                    to 109300 knot-ft in the afternoon.

TIME (CST)      6 AM      9 AM      NOON      3 PM
Sky (%).........57        64        77        75
Weather cov.....          S CHC     CHANCE    CHANCE
Weather type....NONE      SNSHWR    SNSHWR    SNSHWR
Tstm cov........
Temp............29        28        25        18
RH..............96        88        88        80
20 FT wind......W 15G25   W 20G32   NW 25G40  NW 30G43
Mix hgt (ft)....700       1300      3000      2900
Mixing wind.....W 20      W 25      NW 40     NW 40
Vrate kt-ft/1K..11        28        99        103

$$
Forecaster...JR
Requested by...Jacob Johnson
Type of request...PRESCRIBED
.TAG 2500802.0/FGF
.DELDT 01/16/25
.FormatterVersion 2.0.0
.EMAIL Jacob_johnson@fws.gov