Spot Forecast
Issued by NWS Grand Forks, ND

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777
FNUS73 KFGF 291821
FWSFGF

Spot Forecast for Jessie Lake RX...USFS
National Weather Service Grand Forks ND
121 PM CDT Sun Sep 29 2024

Forecast is based on ignition time of 0700 CDT on September 29.
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...

Humidity values will continue to drop this afternoon, bottoming out
near 30% between 3 and 4 pm. Current winds are out of the southeast.
They will remain out of the south/southeast through the evening hours,
with gusts under 25 mph. Winds will not shift until midday Monday as a
cold front passes through. Near critical fire conditions are expected
this afternoon, and again on Monday afternoon behind the cold front.


.REST OF TODAY...

Sky/weather.........Sunny (0-5 percent).
Max temperature.....Around 79.
Min humidity........30 percent.
Wind (20 ft)........Light winds becoming southeast 5 to 10 mph with
                    gusts to around 20 mph early in the morning,
                    then becoming around 10 mph with gusts to
                    around 25 mph late in the afternoon.
Mixing height.......3100 ft AGL.
Mixing winds........Southeast 10 to 15 mph shifting to the south
                    around 20 mph in the afternoon.
Smoke dispersal.....3500 knot-ft early in the morning increasing to
                    56600 knot-ft in the afternoon.

TIME (CDT)      7 AM   9 AM   11 AM  1 PM   3 PM   5 PM
Sky (%).........2      1      1      2      3      3
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Temp............55     61     69     75     78     77
RH..............86     75     53     42     37     36
20 ft wind......E 0    E 5    SE 10  SE 10  SE 10  SE 10
20 ft wind gust.7      14     19     20     20     22
Mix hgt (ft)....400    600    1400   2100   2800   2800
Mixing wind.....E 10   SE 15  SE 15  S 20   S 20   S 20
Vrate kt-ft/1K..4      7      19     34     51     51

.TONIGHT...

Sky/weather.........Mostly clear (5-15 percent).
Min temperature.....Around 61.
Max humidity........72 percent.
Wind (20 ft)........South winds around 10 mph with gusts to around
                    26 mph.
Mixing height.......400 ft AGL.
Mixing winds........South 15 to 20 mph.
Smoke dispersal.....22700 knot-ft early in the evening decreasing
                    to 6200 knot-ft late in the night.

TIME (CDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........0   0   0   0   2   2   5   6   24  19  19  18
Weather cov.....
Weather type....
Tstm cov........
Temp............76  73  69  67  66  65  65  64  64  63  62  62
RH..............37  43  49  54  58  60  60  63  63  65  67  67
20 FT wind dir..SE  SE  SE  S   S   S   S   S   S   S   S   S
20 FT wind spd..10  10  10  10  10  10  10  10  10  10  10  10
20 FT wind gust.21  20  21  21  22  23  22  22  23  23  25  26
Mix hgt (kft)...1.4 0.8 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.5 0.5 0.6
Mixing wind dir.S   SE  S   S   S   S   S   S   S   S   S   S
Mixing wind spd.20  15  15  20  20  20  20  20  20  20  20  20
Vrate kt-ft/1K..23  11  6   7   8   8   7   8   8   8   9   10

.MONDAY...

Sky/weather.........Mostly sunny (25-35 percent).
Max temperature.....Around 78.
Min humidity........31 percent.
Wind (20 ft)........South winds around 10 mph shifting to the west
                    late in the afternoon. Gusts up to 30 mph.
Mixing height.......5400 ft AGL.
Mixing winds........South 20 to 25 mph shifting to the west 25 to
                    30 mph in the afternoon.
Smoke dispersal.....10000 knot-ft early in the morning increasing
                    to 106600 knot-ft in the afternoon increasing
                    to (115500 knot-ft) late in the afternoon.

TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........13  26  12  16  23  41  44  33  45  24  15  21
Weather cov.....
Weather type....
Tstm cov........
Temp............61  61  62  64  69  72  75  76  77  75  73  71
RH..............72  72  72  70  59  51  45  42  36  33  31  32
20 FT wind dir..S   S   S   S   S   SW  W   W   W   W   W   W
20 FT wind spd..10  10  10  10  10  10  10  10  10  10  10  10
20 FT wind gust.26  27  27  25  23  23  22  21  22  23  23  25
Mix hgt (kft)...0.5 0.6 0.7 1.4 2.2 3.4 4.1 5.0 5.3 5.2 5.4 5.4
Mixing wind dir.S   S   S   S   SW  SW  SW  W   W   W   W   W
Mixing wind spd.25  25  20  30  30  30  25  25  25  25  25  30
Vrate kt-ft/1K..10  12  13  34  56  83  91  101 107 116 123 140

$$
Forecaster...BR
Requested by...Michael Mackey
Type of request...PRESCRIBED
.TAG 2423138.1/FGF
.DELDT 09/29/24
.FormatterVersion 2.0.0
.EMAIL michael.klick@usda.gov,michael.mackey@usda.gov,joseph.kaufmann@usda.gov