407
FNUS73 KFGF 041334
FWSFGF

Spot Forecast for Sandy Lake WPA...USFWS
National Weather Service Grand Forks ND
834 AM CDT Sat May 4 2024

Forecast is based on ignition time of 0900 CDT on May 04.
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...

Increasing clouds this morning into the afternoon. Westerly winds
becoming northwest this afternoon. Timing of a scattered shower
increases after 3pm.


.REST OF TODAY...

Sky/weather.........Mostly sunny (45-55 percent) then becoming
                    partly sunny (65-75 percent). Slight chance of
                    rain showers in the afternoon.
Max temperature.....Around 56.
Min humidity........50 percent.
Wind (20 ft)........West winds 5 to 10 mph shifting to the
                    northwest late in the afternoon.
Mixing height.......5700 ft AGL.
Mixing winds........West 10 to 15 mph.
Smoke dispersal.....13000 knot-ft early in the morning increasing
                    to 80400 knot-ft in the afternoon.

TIME (CDT)      9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........37  35  44  65  73  73  72  68  63
Weather cov.....                SCH SCH SCH SCH SCH
Weather type....                RW  RW  RW  RW  RW
Tstm cov........
Temp............44  47  50  52  54  55  55  56  54
RH..............82  74  67  61  52  50  50  51  54
20 FT wind dir..W   W   W   W   W   W   NW  NW  NW
20 FT wind spd..5   5   10  10  10  10  10  10  10
20 FT wind gust.9   9   12  14  14  15  14  14  14
Mix hgt (kft)...1.6 3.4 4.8 5.4 5.6 5.7 5.4 5.2 4.1
Mixing wind dir.W   W   W   W   W   W   W   W   NW
Mixing wind spd.10  10  15  15  15  15  15  15  15
Vrate kt-ft/1K..13  34  58  70  78  80  70  72  58

.TONIGHT...

Sky/weather.........Mostly cloudy (55-65 percent) then becoming
                    partly cloudy (25-35 percent).
Min temperature.....Around 35.
Max humidity........97 percent.
Wind (20 ft)........Northwest winds 5 to 10 mph shifting to the
                    north overnight, then becoming light after 3 am
                    becoming south around 5 mph early in the
                    morning.
Mixing height.......300 ft AGL.
Mixing winds........Northwest 10 to 15 mph shifting to the north
                    around 5 mph late in the evening, then shifting
                    to the northeast after 3 am shifting to the
                    southeast after 3 am.
Smoke dispersal.....49800 knot-ft early in the evening decreasing
                    to 1000 knot-ft late in the night.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........66     56     29     24     16     18
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Temp............54     49     45     42     39     37
RH..............57     66     76     82     89     91
20 ft wind......NW 10  NW 10  N 5    N 5    N 5    S 0
20 ft wind gust.15     12     8      7             5
Mix hgt (ft)....3600   1600   500    400    300    300
Mixing wind.....NW 15  N 10   N 10   N 5    N 5    SE 5
Vrate kt-ft/1K..50     16     4      2      1      1

.SUNDAY...

Sky/weather.........Sunny (10-20 percent).
Max temperature.....Around 64.
Min humidity........34 percent.
Wind (20 ft)........South winds around 5 mph.
Mixing height.......6000 ft AGL.
Mixing winds........Southeast around 5 mph shifting to the
                    southwest in the late morning and afternoon.
Smoke dispersal.....800 knot-ft early in the morning increasing to
                    49400 knot-ft in the afternoon.

TIME (CDT)      6 AM      9 AM      NOON      3 PM
Sky (%).........25        14        11        23
Weather cov.....
Weather type....NONE      NONE      NONE      NONE
Tstm cov........
Temp............37        45        56        62
RH..............94        77        49        37
20 FT wind......S 5       S 5       S 5G6     S 5G7
Mix hgt (ft)....300       1800      4700      5800
Mixing wind.....SE 5      SW 5      SW 5      S 10
Vrate kt-ft/1K..1         7         24        41

$$
Forecaster...MJB
Requested by...Jason Westholter
Type of request...PRESCRIBED
.TAG 2413135.0/FGF
.DELDT 05/04/24
.FormatterVersion 2.0.0
.EMAIL jason_westholter@fws.gov