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000
FNUS73 KFGF 240952
FWSFGF

Spot Forecast for Williams South...The Nature Conservancy
National Weather Service Grand Forks ND
452 AM CDT Wed Apr 24 2024

Forecast is based on ignition time of 1000 CDT on April 24.
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...

Dry conditions today, with winds predominantly out of the
south/southwest at 5 - 10 MPH. RH bottoms out around 20% for the
area of concern, with temperatures in the mid to upper 60s.
Forecasted Haines Index is 6 for the area. Rain moving in starting
Thursday and lasting into the weekend.

.REST OF TODAY...

Sky/weather.........Sunny (10-20 percent).
Max temperature.....Around 63.
Min humidity........21 percent.
Wind (20 ft)........South winds around 5 mph.
Mixing height.......6600 ft AGL.
Mixing winds........Southwest 5 to 10 mph.
Smoke dispersal.....7700 knot-ft early in the morning increasing to
                    46100 knot-ft in the afternoon.

TIME (CDT)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........5   6   6   7   7   8   8   22
Weather cov.....
Weather type....
Tstm cov........
Temp............48  52  55  57  60  62  63  63
RH..............49  39  32  29  26  22  21  22
20 FT wind dir..S   S   SW  SW  S   S   S   S
20 FT wind spd..5   5   5   5   5   5   5   5
20 FT wind gust.7   7   7   7   9   9   9   11
Mix hgt (kft)...1.5 3.1 4.4 5.4 5.7 6.0 6.5 6.6
Mixing wind dir.SW  SW  SW  SW  SW  SW  SW  S
Mixing wind spd.5   5   5   5   5   5   5   10
Vrate kt-ft/1K..8   15  27  27  29  36  39  46

.TONIGHT...

Sky/weather.........Partly cloudy (35-45 percent) then becoming
                    mostly cloudy (55-65 percent) then becoming
                    mostly clear (20-30 percent).
Min temperature.....Around 44.
Max humidity........63 percent.
Wind (20 ft)........Southeast winds 5 to 10 mph increasing to 10 to
                    15 mph in the late evening and overnight.
Mixing height.......500 ft AGL.
Mixing winds........Southeast 10 to 15 mph shifting to the south
                    around 20 mph overnight.
Smoke dispersal.....45700 knot-ft early in the evening decreasing
                    to 4300 knot-ft late in the night.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........37     57     59     18     15     12
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Temp............63     60     53     50     48     47
RH..............23     29     39     48     51     56
20 ft wind......S 5    SE 5   SE 10  SE 10  SE 15  SE 15
20 ft wind gust.11     11     14     19     21     21
Mix hgt (ft)....6500   700    500    500    500    600
Mixing wind.....S 10   SE 10  SE 15  SE 15  SE 20  S 20
Vrate kt-ft/1K..46     5      5      7      8      9

.THURSDAY...

Sky/weather.........Mostly sunny (35-45 percent).
Max temperature.....Around 70.
Min humidity........34 percent.
Wind (20 ft)........Breezy. South winds 15 to 25 mph.
Mixing height.......5900 ft AGL.
Mixing winds........South 15 to 20 mph increasing to around 35 mph.
Smoke dispersal.....8000 knot-ft early in the morning increasing to
                    89200 knot-ft in the afternoon increasing to
                    (120500 knot-ft) in the afternoon.

TIME (CDT)      6 AM      9 AM      NOON      3 PM
Sky (%).........33        25        46        50
Weather cov.....
Weather type....NONE      NONE      NONE      NONE
Tstm cov........
Temp............46        51        64        69
RH..............60        54        41        35
20 FT wind......SE 15G20  S 20G29   S 25G32   S 25G32
Mix hgt (ft)....500       1200      3000      5300
Mixing wind.....S 15      S 25      S 35      S 35
Vrate kt-ft/1K..8         28        89        167

$$
Forecaster...AH
Requested by...Eric Hoff
Type of request...PRESCRIBED
.TAG 2412130.0/FGF
.DELDT 04/24/24
.FormatterVersion 2.0.0
.EMAIL ehoff@tnc.org