942
FNUS73 KFGF 231229
FWSFGF
SPOT FORECAST FOR FERN VALLEY...USFWS
NATIONAL WEATHER SERVICE GRAND FORKS ND
729 AM CDT MON JUN 23 2008
FORECAST IS BASED ON IGNITION TIME OF 1300 CDT ON JUNE 23.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
PLENTY OF SUN TODAY UNTIL CLOUDS BEGIN TO INCREASE LATE THIS
AFTERNOON AS A TROUGH OF LOW PRESSURE APPROACHES THE AREA. RELATIVE
HUMIDITY SHOULD DROP TO NEAR 40 PERCENT BY BURN TIME. WHILE
LIGHT...SOUTHERLY WINDS ARE EXPECTED FOR THE AFTERNOON AND EVENING
HOURS...THE FIRST COUPLE HOURS NEAR BURN TIME COULD SEE
SOUTHWESTERLY WINDS UNTIL THE APPROACHING TROUGH FROM THE WEST CAN
EXERT MORE CONTROL ON THE LOCAL WINDS. EXPECT GOOD SMOKE DISPERSION
DURING THE EARLY AFTERNOON BECOMING EXCELLENT BY MID AFTERNOON.
THUNDERSTORMS ARE POSSIBLE THIS EVENING AND OVERNIGHT. WHILE STORMS
ARE POSSIBLE AS EARLY AS 6 PM...THEY ARE LIKELY TO HOLD OFF UNTIL
AFTER 10 PM. THE BURN SITE COULD GET AS MUCH AS THREE TENTHS OF AN
INCH...BUT LOWER AMOUNTS ARE MORE LIKELY.
TODAY
SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....77-82.
MIN HUMIDITY........38-43 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 9 MPH EARLY IN
THE MORNING.
MIXING HEIGHT.......300-2200 FT AGL INCREASING TO 7200-9100 FT AGL.
MIXING WINDS........SOUTHWEST 3 TO 12 MPH.
TIME (CDT) 1 PM 3 PM 5 PM
SKY (%).........46 52 58
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE
TEMP............75 78 79
RH..............44 44 43
20 FT WIND......SW 8 SW 9 S 9
20 FT WIND GUST.10 10 10
TONIGHT
MIN TEMPERATURE.....57-62.
MAX HUMIDITY........83-88 PERCENT.
WIND (20 FT)........SOUTH WINDS 7 TO 12 MPH. GUSTY AND ERRATIC
WINDS EXPECTED NEAR THUNDERSTORMS.
MIXING HEIGHT.......8100 FT AGL DECREASING TO 300-1200 FT AGL.
MIXING WINDS........SOUTH 10 TO 18 MPH.
TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM
TEMP............78 74 68 64 62 60
RH..............43 54 61 73 78 83
20 FT WIND......S 9 S 10 S 12 S 12 S 12 S 10
20 FT WIND GUST.10 15 15 15 15 15
FORECASTER...GROCHOCINSKI
REQUESTED BY...PATRICK WAGNER
TYPE OF REQUEST...PRESCRIBED
.TAG 20080623.FERNV.02/FGF
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