FNUS73 KDLH 201616
FWSDLH

SPOT FORECAST FOR GW PINES RX...USFS
NATIONAL WEATHER SERVICE DULUTH MN
1116 AM CDT MON SEP 20 2010

FORECAST IS BASED ON IGNITION TIME OF 1200 CDT ON SEPTEMBER 20.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...MAIN CONCERNS FOR PRESCRIBED BURN AREA WILL BE GUSTY
EAST WINDS THIS AFTERNOON ALONG WITH SHOWERS AND THUNDERSTORMS
THIS EVENING AND THROUGH THE OVERNIGHT. THERE IS ALSO A SLIGHT
CHANCE OF LIGHT SHOWERS OR DRIZZLE OVER THE AREA THIS AFTERNOON AS
A WARM FRONT LIFTS NORTHWARD INTO SOUTHERN ONTARIO. AN AREA OF LOW
PRESSURE WILL MOVE FROM THE WESTERN DAKOTAS THROUGH NORTHERN
MINNESOTA TONIGHT WITH A COLD FRONT SLIDING THROUGH THE REGION
PRODUCING SHOWERS AND STORMS WITH THE POTENTIAL FOR HAIL AND
LOCALLY HEAVY RAINFALL. CONFIDENCE IS LOW CONCERNING THE PLACEMENT
OF THE HEAVIEST RAIN...POSSIBLY UP TO 1 INCH...BUT GOOD CONFIDENCE
FOR BURN SITE SEEING AROUND A QUARTER OF AN INCH. AHEAD OF THIS
SYSTEM...A TIGHT SURFACE PRESSURE GRADIENT WILL PRODUCE GUSTY EAST
TO NORTHEAST WINDS THIS AFTERNOON WITH 20 FOOT WIND SPEEDS
GUSTING 15 TO 20 MPH. SURFACE RELATIVE HUMIDITIES WILL ONLY DROP
INTO THE UPPER 40 TO LOWER 50 PERCENT RANGE THIS AFTERNOON AND
REACH TO NEAR 100 PERCENT WITH THE PASSAGE OF THE COLD FRONT AND
ASSOCIATED RAINFALL TONIGHT.

.TODAY...

SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
                    ISOLATED RAIN SHOWERS LATE IN THE AFTERNOON.
                    CHANCE OF SHOWERS 20 PERCENT.
MAX TEMPERATURE.....52-57.
MIN HUMIDITY........48-53 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING EAST 8 TO 10 MPH.
MIXING HEIGHT.......500 FT AGL INCREASING TO 2400 FT AGL IN THE
                    LATE MORNING AND AFTERNOON.
TRANSPORT WINDS.....SOUTHEAST 20 TO 25 MPH.
SMOKE DISPERSAL.....GOOD (42200).

TIME (CDT)      NOON   2 PM   4 PM   6 PM
TEMP............50     54     55     54
RH..............52     50     49     68
20 FT WIND DIR..SE     SE     E      E
20 FT WIND SPD..8      9      9      7
20 FT WIND GUST.15     16     16     13

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. SHOWERS AND THUNDERSTORMS IN THE
                    EVENING...THEN A CHANCE OF SHOWERS AND
                    THUNDERSTORMS AFTER MIDNIGHT. CHANCE OF
                    PRECIPITATION 80 PERCENT.
MIN TEMPERATURE.....46-51.
MAX HUMIDITY........95-100 PERCENT.
WIND (20 FT)........SOUTH WINDS 7 TO 9 MPH BECOMING WEST AROUND 8
                    MPH EARLY IN THE MORNING. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS.
MIXING HEIGHT.......700 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 15 TO 20 MPH BECOMING SOUTHWEST LATE.
SMOKE DISPERSAL.....POOR (10400).

TIME (CDT)      7 PM   9 PM   11 PM  1 AM   3 AM   5 AM
TEMP............53     51     50     50     50     49
RH..............72     87     93     96     95     93
20 FT WIND DIR..E      E      SE     SE     S      SW
20 FT WIND SPD..6      6      7      8      8      8
20 FT WIND GUST.12     12     13     15     15     15

$$
FORECASTER...BRIAN
REQUESTED BY...RICH KUJAWA
TYPE OF REQUEST...PRESCRIBED
.TAG 20100920.GWPIN.04/DLH