510
FNUS73 KFGF 191048
FWSFGF

Spot Forecast for Horseshoe Lake Unit...FWS
National Weather Service Grand Forks ND
548 AM CDT Sun May 19 2024

Forecast is based on ignition time of 1100 CDT on May 19.
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...

Winds this morning are light and variable, but will pick up as we
progress through the day. By afternoon, winds will become
southeasterly, gusting up to 25 mph. RH values are forecasted to
fall to near 50 percent. However, if more sunshine can break
through, RH values may fall to closer to 40 percent.
Thunderstorms will move in from the west this evening. These
storms bring the potential for wind gusts of up to 60 mph and a
wetting rain. Mondaywill feature similar temperatures to today, but
winds will shift to the north/northwest. Gusts to near 25 mph are
possible through Monday afternoon.

.REST OF TODAY...

Sky/weather.........Mostly cloudy (80-90 percent). Chance of
                    showers late in the morning. Slight chance of
                    thunderstorms late in the afternoon.
Max temperature.....Around 70.
Min humidity........52 percent.
Wind (20 ft)........Southeast winds 10 to 15 mph with gusts to
                    around 25 mph. Gusty and erratic winds expected
                    near thunderstorms late in the afternoon.
Mixing height.......2500 ft AGL.
Mixing winds........Southeast 15 to 20 mph increasing to south 25
                    to 30 mph in the afternoon.

TIME (CDT)      11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........85  83  85  82  82  80  82
Weather cov.....CHC SCH SCH SCH SCH SCH SCH
Weather type....RW  RW  RW  RW  RW  RW  RW
Tstm cov........                    SCH SCH
Temp............62  62  63  64  65  66  66
RH..............54  52  52  52  52  52  54
20 FT wind dir..SE  SE  SE  SE  SE  SE  S
20 FT wind spd..10  10  15  15  15  15  15
20 FT wind gust.18  20  22  23  23  23  25
Mix hgt (kft)...1.0 1.4 1.8 2.4 2.3 2.5 2.5
Mixing wind dir.SE  SE  S   S   S   S   S
Mixing wind spd.15  20  25  25  30  25  25

.TONIGHT...

Sky/weather.........Mostly cloudy (75-85 percent). Chance of
thunderstorms in the late evening and
                    overnight. Chance of rain showers in the late
                    evening and overnight.
Min temperature.....Around 53.
Max humidity........100 percent.
Wind (20 ft)........Southeast winds 10 to 15 mph with gusts to
                    around 25 mph shifting to the southwest around
                    5 mph after 3 am, then shifting to the
                    northwest early in the morning. Gusty and
                    erratic winds expected near thunderstorms early
                    in the evening.
Mixing height.......500 ft AGL.
Mixing winds........South 15 to 20 mph shifting to the southeast
                    around 10 mph overnight, then shifting to the
                    west early in the morning.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........75     78     83     86     93     82
Weather cov.....       S CHC  CHANCE CHANCE CHANCE CHANCE
Weather type....NONE   RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
Tstm cov........       S CHC  CHANCE CHANCE CHANCE
Temp............66     63     59     57     56     54
RH..............58     70     83     90     96     100
20 ft wind......SE 15  SE 15  SE 10  SE 10  SE 10  SW 5
20 ft wind gust.25     22     18     15     14     13
Mix hgt (ft)....2600   800    700    600    600    500
Mixing wind.....S 20   S 20   S 15   SE 15  S 10   SE 10

.MONDAY...

Sky/weather.........Mostly cloudy (65-75 percent). Chance of rain
                    showers early in the morning.
Max temperature.....Around 70.
Min humidity........51 percent.
Wind (20 ft)........North winds around 10 mph. Gusts up to 21 mph
                    in the afternoon.
Mixing height.......5000 ft AGL.
Mixing winds........Northwest 10 to 15 mph increasing to 15 to 20
                    mph in the late morning and afternoon.

TIME (CDT)      6 AM      9 AM      NOON      3 PM
Sky (%).........89        66        54        56
Weather cov.....CHANCE
Weather type....RNSHWR    NONE      NONE      NONE
Tstm cov........
Temp............53        57        63        67
RH..............100       93        70        56
20 FT wind......NW 10G13  N 10G14   N 10G18   N 10G19
Mix hgt (ft)....600       1400      3200      4600
Mixing wind.....NW 10     NW 15     NW 20     NW 15

$$
Forecaster...DJR/BR
Requested by...Terry Gwilliams
Type of request...PRESCRIBED
.TAG 2414602.0/FGF
.DELDT 05/19/24
.FormatterVersion 2.0.0
.EMAIL Terry_Gwilliams@fws.gov