FNUS73 KFGF 171514
FWSFGF

SPOT FORECAST FOR HEARTLEBAN BILE BURNING...USFWS
NATIONAL WEATHER SERVICE GRAND FORKS ND
914 AM CST THU DEC 17 2009

FORECAST IS BASED ON IGNITION TIME OF 1200 CST ON DECEMBER 17.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
CONDITIONS WILL REMAIN DRY FOR THE REMAINDER OF THE DAY TODAY.
SOUTHERLY WINDS WILL BEGIN TO TRANSITION TO THE NORTH BY LATE
AFTERNOON AND REMAIN FAIRLY WEAK AT 5-10 KTS. RELATIVE HUMIDITY
SHOULD NOT POSE A PROBLEM TODAY AS MINIMUM VALUES ARE EXPECTED TO BE
IN THE 55-65 PERCENT RANGE. HOWEVER...MIXING HEIGHTS WILL REMAIN LOW
THROUGH FRI AT ONLY AROUND 300 FT AGL.

.TODAY...

SKY/WEATHER.........PARTLY SUNNY.
MAX TEMPERATURE.....25-30.
MIN HUMIDITY........56-61 PERCENT.
WIND (20 FT)........SOUTH WINDS 5 TO 9 MPH.
MIXING HEIGHT.......300 FT AGL.
MIXING WINDS........SOUTH 7 TO 13 MPH.

TIME (CST)      11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........59  58  58  57  57  57  57
WEATHER COV.....
WEATHER TYPE....
TEMP............19  21  24  26  27  26  23
RH..............83  74  67  63  61  62  69
20 FT WIND DIR..S   S   S   S   S   S   S
20 FT WIND SPD..7   6   6   6   6   5   5
20 FT WIND GUST.10  10  10  10  10  10  10

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY.
MIN TEMPERATURE.....10-15.
MAX HUMIDITY........86-91 PERCENT.
WIND (20 FT)........SOUTH WINDS 5 TO 6 MPH EARLY IN THE EVENING
                    BECOMING LIGHT...THEN BECOMING NORTH UP TO 5
                    MPH EARLY IN THE MORNING.
MIXING HEIGHT.......300 FT AGL.
MIXING WINDS........NORTH 2 TO 8 MPH.

TIME (CST)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........58     61     65     69     69     68
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............21     18     16     14     14     13
RH..............73     78     78     80     79     84
20 FT WIND......S 5    SE 4   E 3    NE 2   N 3    N 4
20 FT WIND GUST.10     5      5             5      5

.FRIDAY...

SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW.
MAX TEMPERATURE.....18-23.
MIN HUMIDITY........59-64 PERCENT.
WIND (20 FT)........NORTH WINDS 5 TO 9 MPH.
MIXING HEIGHT.......300 FT AGL.
MIXING WINDS........NORTH 8 TO 12 MPH.

TIME (CST)      6 AM      9 AM      NOON      3 PM
SKY (%).........68        73        78        79
WEATHER COV.....S CHC     S CHC     S CHC     S CHC
WEATHER TYPE....SNOW      SNOW      SNOW      SNOW
TEMP............13        12        17        20
RH..............87        91        73        64
20 FT WIND......N 5G10    N 7G10    N 8G15    N 8G15

$$
FORECASTER...HOMANN
REQUESTED BY...JEFF OLSON
TYPE OF REQUEST...PRESCRIBED
.TAG 20091217.HEART.01/FGF