759
FNUS73 KFGF 011238
FWSFGF

Spot Forecast for Impoundment...NATURE CONSERVANCY
National Weather Service Grand Forks ND
738 AM CDT Wed May 1 2024

Forecast is based on ignition time of 1300 CDT on May 01.
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...

Sorry for the delay in getting this out. Today will feature a
break in the rainfall with mostly sunny sky and temperatures
reaching into the 60s this afternoon. Anticipate a more or less
consistent west wind 10-15 mph with gusts up to 20 mph, with a low
potential for slightly stronger winds of 15-20 mph with gusts up
to 25 mph. The relative humidity forecast carries lower
confidence, most likely around 45 percent during your burn time,
but the potential does exist to be as low as 35 percent.

.REST OF TODAY...

Sky/weather.........Mostly sunny (25-35 percent).
Max temperature.....Around 63.
Min humidity........47 percent.
Wind (20 ft)........West winds 10 to 15 mph.
Mixing height.......5800 ft AGL.
Mixing winds........West 15 to 20 mph.
Smoke dispersal.....(70000 knot-ft).

TIME (CDT)      1PM 2PM 3PM 4PM 5PM
Sky (%).........41  22  18  33  45
Weather cov.....
Weather type....
Tstm cov........
Temp............55  58  59  60  60
RH..............64  55  51  47  47
20 FT wind dir..W   W   W   W   W
20 FT wind spd..15  10  10  10  10
20 FT wind gust.20  19  18  16  14
Mix hgt (kft)...4.5 4.9 5.2 5.8 5.8
Mixing wind dir.W   W   W   W   W
Mixing wind spd.20  20  15  15  15
Vrate kt-ft/1K..82  83  78  87  70

.TONIGHT...

Sky/weather.........Mostly cloudy (70-80 percent). Slight chance of
                    rain showers after 3 am.
Min temperature.....Around 47.
Max humidity........83 percent.
Wind (20 ft)........Northwest winds around 5 mph shifting to the
                    southeast early in the evening.
Mixing height.......400 ft AGL.
Mixing winds........West 5 to 10 mph shifting to the south early in
                    the evening, then shifting to the southeast in
                    the late evening and overnight shifting to the
                    south around 15 mph early in the morning.
Smoke dispersal.....42600 knot-ft early in the evening decreasing
                    to 2400 knot-ft late in the night.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........59     69     75     87     87     91
Weather cov.....                                   S CHC
Weather type....NONE   NONE   NONE   NONE   NONE   RNSHWR
Tstm cov........
Temp............60     57     53     51     50     49
RH..............47     56     64     68     71     77
20 ft wind......W 5    SE 5   SE 5   S 5    SE 5   SE 5
20 ft wind gust.12     7      9      9      9      9
Mix hgt (ft)....5200   500    400    500    500    500
Mixing wind.....W 10   S 5    SE 10  SE 10  S 10   S 10
Vrate kt-ft/1K..43     3      3      5      5      4

.THURSDAY...

Sky/weather.........Cloudy (90-100 percent). Chance of rain showers
                    early in the morning, then rain showers likely
                    in the morning. Rain showers in the afternoon.
Max temperature.....Around 54.
Min humidity........77 percent.
Wind (20 ft)........Southeast winds 5 to 10 mph. Gusts up to 21 mph
                    in the afternoon.
Mixing height.......2500 ft AGL.
Mixing winds........Southeast 10 to 15 mph increasing to 15 to 20
                    mph in the afternoon.
Smoke dispersal.....6500 knot-ft early in the morning increasing to
                    46800 knot-ft in the afternoon.

TIME (CDT)      6 AM      9 AM      NOON      3 PM
Sky (%).........91        94        97        96
Weather cov.....CHANCE    LIKELY    LIKELY    DEFNTE
Weather type....RNSHWR    RNSHWR    RNSHWR    RNSHWR
Tstm cov........
Temp............48        49        51        52
RH..............80        83        80        77
20 FT wind......SE 5G11   SE 10G15  SE 10G18  SE 10G18
Mix hgt (ft)....600       1500      2200      2400
Mixing wind.....S 10      SE 15     SE 20     SE 20
Vrate kt-ft/1K..7         18        38        39

$$
Forecaster...TG
Requested by...Eric Hoff
Type of request...PRESCRIBED
.TAG 2412887.0/FGF
.DELDT 05/01/24
.FormatterVersion 2.0.0
.EMAIL ehoff@tnc.org