808
FNUS73 KFGF 231252
FWSFGF
SPOT FORECAST FOR UNIT 29...US FISH AND WILDLIFE
NATIONAL WEATHER SERVICE GRAND FORKS ND
752 AM CDT WED JUL 23 2008
FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON JULY 23.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
GUSTY SOUTH WINDS WILL DEVELOP EARLY TODAY AS A WELL MIXED
ATMOSPHERE ALLOWS UPPER WINDS TO MIX DOWN QUICKLY. GUSTS OVER
30 MPH ARE POSSIBLE AFTER NOON. WHILE THERE IS A SLIGHT CHANCE FOR
AN EARLY AFTERNOON SHOWER OR STORM RAIN IS NOT LIKELY UNTIL
THIS EVENING.
EXCELLENT MIXING WILL DEVELOP BY LATE MORNING. GUSTY WINDS WILL
CONTINUE INTO THE EVENING...WITH SHOWERS AND THUNDERSTORMS BECOMING
MORE LIKELY AS THE FRONT MOVES CLOSER. WIND WILL SHIFT MID MORNING
THURSDAY AS A COLD FRONT MOVES INTO THE VALLEY.
TODAY
SKY/WEATHER.........MOSTLY SUNNY. ISOLATED SHOWERS AND
THUNDERSTORMS EARLY IN THE AFTERNOON.
MAX TEMPERATURE.....76-81.
MIN HUMIDITY........40-45 PERCENT.
WIND (20 FT)........SOUTH WINDS 16 TO 21 MPH. GUSTS UP TO 30 MPH.
GUSTY AND ERRATIC WINDS EXPECTED NEAR
THUNDERSTORMS EARLY IN THE AFTERNOON.
MIXING HEIGHT.......300-2100 FT AGL INCREASING TO 2900-4700 FT AGL
LATE IN THE MORNING...THEN INCREASING TO
3700-5400 FT AGL IN THE AFTERNOON DECREASING TO
2100 FT AGL LATE IN THE AFTERNOON.
MIXING WINDS........SOUTH 15 TO 22 MPH INCREASING TO 21 TO 25 MPH
IN THE LATE MORNING AND AFTERNOON.
TIME (CDT) 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM
SKY (%).........41 47 53 56 59 62 65 68
WEATHER COV..... ISO ISO ISO ISO
WEATHER TYPE.... RW RW RW RW
TEMP............70 73 75 76 77 78 78 78
RH..............56 51 48 47 46 45 46 47
20 FT WIND DIR..S S S S S S S S
20 FT WIND SPD..18 18 20 20 20 21 20 20
20 FT WIND GUST.25 25 30 30 30 30 30 30
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SHOWERS AND
THUNDERSTORMS.
MIN TEMPERATURE.....59-64.
MAX HUMIDITY........95-100 PERCENT.
WIND (20 FT)........SOUTH WINDS 13 TO 18 MPH. GUSTS UP TO 25 MPH
EARLY IN THE EVENING. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS.
MIXING HEIGHT.......300-700 FT AGL.
MIXING WINDS........SOUTH 15 TO 24 MPH DECREASING TO AROUND 10 MPH
EARLY IN THE MORNING.
TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM
SKY (%).........71 79 87 92 93 92
WEATHER COV.....CHANCE CHANCE CHANCE CHANCE CHANCE CHANCE
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
TEMP............77 73 68 65 63 62
RH..............50 63 77 83 89 95
20 FT WIND......S 18 S 16 SE 13 SE 10 SE 10 S 10
20 FT WIND GUST.25 20 15 15 15 15
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
MAX TEMPERATURE.....80-85.
MIN HUMIDITY........49-54 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 7 TO 12 MPH. GUSTY AND ERRATIC
WINDS EXPECTED NEAR THUNDERSTORMS.
MIXING HEIGHT.......300-2100 FT AGL INCREASING TO 4900-5400 FT AGL.
MIXING WINDS........SOUTH 10 TO 17 MPH SHIFTING TO THE WEST 12 TO
21 MPH IN THE LATE MORNING AND AFTERNOON.
TIME (CDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM
SKY (%).........87 80 72 64 59 56
WEATHER COV.....S CHC S CHC S CHC S CHC S CHC S CHC
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
TEMP............61 68 74 79 81 82
RH..............100 80 66 59 56 54
20 FT WIND......S 10 S 10 W 12 W 12 NW 10 NW 10
20 FT WIND GUST.15 15 15 15 15 15
FORECASTER...EWENS
REQUESTED BY...LARRY ANDERSON
TYPE OF REQUEST...PRESCRIBED
.TAG 20080723.UNIT2.01/FGF
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